MetLife (MET) 10-K 15 Feb 24 2023 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2023	Feb. 08, 2024	Jun. 30, 2023
Entity Information [Line Items]
Document Type	10-K
Entity Registrant Name	MetLife, Inc.
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	001-15787
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-4075851
Entity Address, Address Line One	200 Park Avenue,
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10166-0188
City Area Code	212
Local Phone Number	578-9500
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Central Index Key	0001099219
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		723,020,313
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Public Float			$ 42.8
Documents Incorporated by Reference [Text Block]	DOCUMENTS INCORPORATED BY REFERENCE Part III of this Form 10-K incorporates by reference certain information from the registrant’s definitive proxy statement for the Annual Meeting of Shareholders to be held on June 18, 2024, to be filed by the registrant with the Securities and Exchange Commission pursuant to Regulation 14A not later than 120 days after the year ended December 31, 2023.
ICFR Auditor Attestation Flag	true
Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	MET
Security Exchange Name	NYSE
Floating Rate Non-Cumulative Preferred Stock, Series A, par value $0.01
Entity Information [Line Items]
Title of 12(b) Security	Floating Rate Non-Cumulative Preferred Stock, Series A, par value $0.01
Trading Symbol	MET PRA
Security Exchange Name	NYSE
Depositary Shares, each representing a 1/1,000th interest in a share of 5.625% Non-Cumulative Preferred Stock, Series E
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shares, each representing a 1/1,000th interest in a share of 5.625% Non-Cumulative Preferred Stock, Series E
Trading Symbol	MET PRE
Security Exchange Name	NYSE
Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F
Trading Symbol	MET PRF
Security Exchange Name	NYSE
5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
Entity Information [Line Items]
Title of 12(g) Security	5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
3.850% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G, par value $0.01
Entity Information [Line Items]
Title of 12(g) Security	3.850% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G, par value $0.01

Audit Information

Audit Information	12 Months Ended
	Dec. 31, 2023
Audit Information [Abstract]
Auditor Name	DELOITTE & TOUCHE LLP
Auditor Firm ID	34
Auditor Location	New York, New York

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Investments:
Fixed maturity securities available-for-sale, at estimated fair value (net of allowance for credit loss of $184 and $183, respectively); and amortized cost: $300,555 and $306,025, respectively	$ 281,412	$ 276,780
Equity securities, at estimated fair value	757	1,684
Contractholder-directed equity securities and fair value option securities, at estimated fair value	10,331	9,668
Mortgage loans (net of allowance for credit loss of $721 and $527, respectively)	92,506	83,763
Policy loans	8,788	8,874
Real estate and real estate joint ventures (includes $317 and $299, respectively, under the fair value option)	13,332	13,137
Other limited partnership interests	14,764	14,414
Short-term investments, principally at estimated fair value	6,045	4,935
Other invested assets (net of allowance for credit loss of $23 and $26, respectively; includes $1,993 and $1,926, respectively, of leveraged and direct financing leases; $333 and $326, respectively, relating to variable interest entities)	18,202	20,038
Total investments	446,137	433,293
Cash and cash equivalents, principally at estimated fair value	20,639	20,195
Accrued investment income	3,589	3,446
Premiums, reinsurance and other receivables	28,971	17,364
Market risk benefits, at estimated fair value	286	280
Deferred policy acquisition costs and value of business acquired	20,151	19,653
Current income tax recoverable	190	42
Deferred income tax asset	2,612	2,439
Goodwill	9,236	9,297
Other assets	11,139	11,025
Separate account assets	144,634	146,038
Total assets	687,584	663,072
Liabilities
Future policy benefits	196,406	187,222
Policyholder account balances	219,269	210,597
Market risk benefits, at estimated fair value	3,179	3,763
Other policy-related balances	19,736	18,424
Policyholder dividends payable	386	387
Payables for collateral under securities loaned and other transactions	17,524	20,937
Short-term debt	119	175
Long-term debt	15,548	14,647
Collateral financing arrangement	637	716
Junior subordinated debt securities	3,161	3,158
Deferred income tax liability	927	950
Other liabilities	35,805	25,933
Separate account liabilities	144,634	146,038
Total liabilities	657,331	632,947
Contingencies, Commitments and Guarantees (Note 24)
MetLife, Inc.’s stockholders’ equity:
Preferred stock, par value $0.01 per share; $3,905 aggregate liquidation preference	0	0
Common stock, par value $0.01 per share; 3,000,000,000 shares authorized; 1,191,823,651 and 1,189,831,471 shares issued, respectively; 730,821,111 and 779,098,414 shares outstanding, respectively	12	12
Additional paid-in capital	33,690	33,616
Retained earnings	40,146	40,332
Treasury stock, at cost; 461,002,540 and 410,733,057 shares, respectively	(24,591)	(21,458)
Accumulated other comprehensive income (loss)	(19,242)	(22,621)
Total MetLife, Inc.’s stockholders’ equity	30,015	29,881
Noncontrolling interests	238	244
Total equity	30,253	30,125
Total liabilities and equity	$ 687,584	$ 663,072

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets
Amortized cost of fixed maturity securities valuation allowances	$ 184	$ 183
Amortized Cost	300,555	306,025
Mortgage loans valuation allowances	721	527
Real estate and real estate joint ventures (includes $317 and $299, respectively, under the fair value option)	13,332	13,137
Net Investment in Lease, Allowance for Credit Loss	23	26
Other Invested Assets - Leveraged and Direct Financing Leases	1,993	1,926
Other invested assets, at estimated fair value	$ 18,202	$ 20,038
MetLife, Inc.’s stockholders’ equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, Liquidation Preference, Value	$ 3,905	$ 3,905
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	3,000,000,000	3,000,000,000
Common stock, shares issued	1,191,823,651	1,189,831,471
Common stock, shares outstanding	730,821,111	779,098,414
Treasury stock, shares	461,002,540	410,733,057
Residential mortgage loans - FVO
Assets
Real estate and real estate joint ventures (includes $317 and $299, respectively, under the fair value option)	$ 317	$ 299
Variable interest entities
Assets
Other invested assets, at estimated fair value	$ 333	$ 326

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Premiums									$ 44,283	$ 48,510	$ 41,152
Universal life and investment-type product policy fees									5,152	5,225	5,244
Net investment income									19,908	15,916	21,395
Other revenues									2,526	2,630	2,619
Net investment gains (losses)									(2,824)	(1,260)	1,543
Net derivative gains (losses)									(2,140)	(2,251)	(3,257)
Total revenues	$ 19,028	$ 15,866	$ 16,623	$ 15,388	$ 15,608	$ 22,283	$ 15,474	$ 15,405	66,905	68,770	68,696
Expenses
Policyholder benefits and claims									44,590	49,507	43,118
Policyholder liability remeasurement (gains) losses									(45)	114	(172)
Market Risk Benefit Remeasurement (Gains) Losses									(994)	(3,674)	(1,237)
Interest credited to policyholder account balances									7,860	3,894	5,571
Policyholder dividends									622	706	880
Other expenses									12,710	11,859	12,018
Total expenses	18,087	15,332	16,193	15,131	13,582	20,868	14,486	13,470	64,743	62,406	60,178
Income (loss) before provision for income tax									2,162	6,364	8,518
Provision for income tax expense (benefit)									560	1,062	1,642
Net income (loss)	614	495	408	85	1,581	1,167	915	1,639	1,602	5,302	6,876
Less: Net income (loss) attributable to noncontrolling interests	7	6	6	5	3	5	5	5	24	18	21
Net income (loss) attributable to MetLife, Inc.	607	489	402	80	1,578	1,162	910	1,634	1,578	5,284	6,855
Less: Preferred stock dividends	33	67	32	66	29	64	29	63	198	185	195
Preferred stock redemption premium									0	0	6
Net income (loss) available to MetLife, Inc.’s common shareholders	$ 574	$ 422	$ 370	$ 14	$ 1,549	$ 1,098	$ 881	$ 1,571	$ 1,380	$ 5,099	$ 6,654
Net income (loss) available to MetLife, Inc.’s common shareholders per common share:
Basic	$ 0.78	$ 0.56	$ 0.48	$ 0.02	$ 1.98	$ 1.38	$ 1.09	$ 1.91	$ 1.82	$ 6.35	$ 7.71
Diluted	$ 0.77	$ 0.56	$ 0.48	$ 0.02	$ 1.96	$ 1.37	$ 1.08	$ 1.89	$ 1.81	$ 6.30	$ 7.65

Consolidated Statements Of Comp

Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	$ 1,602	$ 5,302	$ 6,876
Other comprehensive income (loss):
Change in Gross Unrealized Temporary Loss									10,325	(56,497)	(12,840)
Deferred gains (losses) on derivatives									(1,811)	(85)	137
Future policy benefits discount rate remeasurement gains (losses)									(4,361)	31,804	10,102
Market risk benefit instrument-specific credit risk remeasurement gains (losses)									(102)	(219)	257
Foreign currency translation adjustments									296	(1,238)	(1,266)
Defined benefit plans adjustment									88	(279)	(328)
Other comprehensive income (loss), before income tax									4,259	(25,956)	(3,282)
Income tax (expense) benefit related to items of other comprehensive income (loss)									(898)	5,779	519
Other comprehensive income (loss), net of income tax									3,361	(20,177)	(2,763)
Comprehensive income (loss)									4,963	(14,875)	4,113
Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax									6	11	24
Comprehensive income (loss) attributable to MetLife, Inc.									$ 4,957	$ (14,886)	$ 4,089

Consolidated Statements of Equi

Consolidated Statements of Equity - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock, Common	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjustment	Total MetLife, Inc.'s Stockholders' Equity	Total MetLife, Inc.'s Stockholders' Equity Cumulative Effect, Period of Adoption, Adjustment	Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 74,817	$ (22,424)	$ 0	$ 12	$ 33,812	$ 36,491	$ (4,667)	$ (13,829)	$ 18,072	$ (17,757)	$ 74,558	$ (22,424)	$ 259
Redemption of preferred stock	(494)				(494)						(494)
Preferred stock redemption premium	(6)					(6)					(6)
Treasury stock acquired in connection with share repurchases	(4,328)							(4,328)			(4,328)
Stock-based compensation	193				193						193
Dividends on preferred stock	$ (195)					(195)					(195)
Dividend Per Share	$ 1.900
Dividends on common stock	$ (1,647)					(1,647)					(1,647)
Change in equity of noncontrolling interests	(16)										0		(16)
Net income (loss)	6,876					6,855					6,855		21
Other comprehensive income (loss), net of income tax	(2,763)								(2,766)		(2,766)		3
Ending Balance at Dec. 31, 2021	50,013		0	12	33,511	36,831		(18,157)	(2,451)		49,746		267
Preferred stock redemption premium	0
Treasury stock acquired in connection with share repurchases	(3,301)							(3,301)			(3,301)
Stock-based compensation	105				105						105
Dividends on preferred stock	$ (185)					(185)					(185)
Dividend Per Share	$ 1.980
Dividends on common stock	$ (1,598)					(1,598)					(1,598)
Change in equity of noncontrolling interests	(34)										0		(34)
Net income (loss)	5,302					5,284					5,284		18
Other comprehensive income (loss), net of income tax	(20,177)								(20,170)		(20,170)		(7)
Ending Balance at Dec. 31, 2022	30,125		0	12	33,616	40,332		(21,458)	(22,621)		29,881		244
Preferred stock redemption premium	0
Treasury stock acquired in connection with share repurchases	(3,133)							(3,133)			(3,133)
Stock-based compensation	74				74						74
Dividends on preferred stock	$ (198)					(198)					(198)
Dividend Per Share	$ 2.060
Dividends on common stock	$ (1,566)					(1,566)					(1,566)
Change in equity of noncontrolling interests	(12)										0		(12)
Net income (loss)	1,602					1,578					1,578		24
Other comprehensive income (loss), net of income tax	3,361								3,379		3,379		(18)
Ending Balance at Dec. 31, 2023	30,253		$ 0	$ 12	$ 33,690	$ 40,146		$ (24,591)	$ (19,242)		$ 30,015		$ 238
Treasury Stock, Value, Acquired, Cost Method, Excise Tax	$ 30

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income (loss)	$ 1,602	$ 5,302	$ 6,876
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization expenses	718	673	694
Amortization of premiums and accretion of discounts associated with investments, net	(1,332)	(992)	(874)
(Gains) losses on investments and from sales of businesses, net	2,800	1,260	(1,543)
(Gains) losses on derivatives, net	3,259	4,150	4,676
(Income) loss from equity method investments, net of dividends or distributions	1,090	505	(3,051)
Interest credited to policyholder account balances	7,970	3,771	5,628
Universal life and investment-type product policy fees	(4,031)	(3,969)	(3,663)
Change in contractholder-directed equity securities and fair value option securities	(539)	1,671	(231)
Change in accrued investment income	(194)	(357)	(11)
Change in premiums, reinsurance and other receivables	(1,952)	299	362
Change in market risk benefits	(658)	(3,347)	(839)
Change in deferred policy acquisition costs and value of business acquired, net	(660)	(800)	(708)
Change in income tax	(1,177)	198	856
Change in other assets	(124)	138	(1,008)
Change in insurance-related liabilities and policy-related balances	4,637	3,937	5,002
Change in other liabilities	2,115	360	68
Other, net	197	245	113
Net cash provided by (used in) operating activities	13,721	13,044	12,347
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale	58,816	88,937	88,839
Sales, maturities and repayments of equity securities	1,018	873	708
Sales, maturities and repayments of mortgage loans	8,505	10,779	19,183
Sales, maturities and repayments of real estate and real estate joint ventures	143	1,096	1,285
Sales, maturities and repayments of other limited partnership interests	915	1,615	777
Sales, maturities and repayments of short-term investments	13,117	14,094	20,871
Purchases of fixed maturity securities available-for-sale	(63,460)	(82,956)	(97,368)
Purchases of equity securities	(73)	(1,368)	(451)
Purchases of mortgage loans	(8,795)	(16,403)	(14,961)
Purchases of real estate and real estate joint ventures	(1,057)	(1,208)	(1,375)
Purchases of other limited partnership interests	(1,670)	(2,674)	(3,227)
Purchases of short-term investments	(14,000)	(11,741)	(24,148)
Cash received in connection with freestanding derivatives	3,145	4,524	3,453
Cash paid in connection with freestanding derivatives	(5,662)	(7,793)	(7,990)
Sales of businesses	0	590	3,270
Purchases of investments in operating joint ventures	0	(240)	0
Net change in policy loans	34	104	228
Net change in other invested assets	(1,079)	(786)	(235)
Other, net	(143)	(63)	(46)
Net cash provided by (used in) investing activities	(10,246)	(2,620)	(11,187)
Cash flows from financing activities
Policyholder account balances: Deposits	95,587	103,901	97,206
Policyholder account balances: Withdrawals	(90,876)	(98,591)	(93,130)
Net change in payables for collateral under securities loaned and other transactions	(3,283)	(10,730)	1,883
Cash paid for other transactions with tenors greater than three months	0	0	(100)
Long-term debt issued	1,989	1,013	29
Long-term debt repaid	(1,035)	(85)	(582)
Collateral financing arrangement repaid	(79)	(50)	(79)
Derivatives with certain financing elements and other derivative related transaction, net	(74)	(61)	270
Proceeds from mortgage loan secured financing	682	0	0
Repayments of mortgage loan secured financing	(845)	0	0
Treasury stock acquired in connection with share repurchases	(3,103)	(3,326)	(4,303)
Redemption of preferred stock	0	0	(494)
Preferred stock redemption premium	0	0	(6)
Dividends on preferred stock	(198)	(185)	(195)
Dividends on common stock	(1,566)	(1,598)	(1,647)
Other, net	(139)	(236)	22
Net cash provided by (used in) financing activities	(2,940)	(9,948)	(1,126)
Effect of change in foreign currency exchange rates on cash and cash equivalents balances	(91)	(397)	(478)
Change in cash and cash equivalents	444	79	(444)
Cash and cash equivalents, including subsidiaries held-for-sale, beginning of year	20,195	20,116	20,560
Cash and cash equivalents, including subsidiaries held-for-sale, end of year	20,639	20,195	20,116
Cash and cash equivalents, subsidiaries held-for-sale, beginning of year	0	69	765
Cash and cash equivalents, subsidiaries held-for-sale, end of year	0	0	69
Cash and cash equivalents, beginning of year	20,195	20,047	19,795
Cash and cash equivalents, end of year	20,639	20,195	20,047
Supplemental disclosures of cash flow information
Net cash paid for Interest	989	905	914
Net cash paid (received) for Income tax	1,833	1,056	1,102
Non-cash transactions:
Fixed maturity securities available-for-sale disposed of in connection with a reinsurance transaction	8,984	0	0
Fixed maturity securities available-for-sale received in connection with pension risk transfer transactions	2,749	8,707	423
Mortgage loans disposed of in connection with a reinsurance transaction	196	0	0
Equity securities received due to in-kind distributions from other limited partnership interests	77	96	380
Real estate and real estate joint ventures acquired in satisfaction of debt	32	495	174
Other invested assets reclassified to contractholder-directed equity securities and fair value option securities	$ 0	$ 0	$ 309

Statement of Cash Flows (Statem

Statement of Cash Flows (Statement) (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Cash Flows [Abstract]
Cash Divested from Deconsolidation	$ 0	$ 67	$ 611

Business, Basis of Presentation

Business, Basis of Presentation and Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business, Basis of Presentation and Summary of Significant Accounting Policies	1. Business, Basis of Presentation and Summary of Significant Accounting Policies Business “MetLife” and the “Company” refer to MetLife, Inc., a Delaware corporation incorporated in 1999, its subsidiaries and affiliates. MetLife is one of the world’s leading financial services companies, providing insurance, annuities, employee benefits and asset management. In the fourth quarter of 2023, MetLife reorganized from five segments into the following six segments to reflect changes in management’s responsibilities: Group Benefits; Retirement and Income Solutions (“RIS”); Asia; Latin America; Europe, the Middle East and Africa (“EMEA”) and MetLife Holdings. The Group Benefits and RIS businesses were previously reported as the U.S. segment. In addition, the Company continues to report certain of its results of operations in Corporate & Other. See Note 2 for further information on the Company’s segments and Corporate & Other. Basis of Presentation The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to adopt accounting policies and make estimates and assumptions that affect amounts reported on the consolidated financial statements. In applying these policies and estimates, management makes subjective and complex judgments that frequently require assumptions about matters that are inherently uncertain. Many of these policies, estimates and related judgments are common in the insurance and financial services industries; others are specific to the Company’s business and operations. Actual results could differ from these estimates. Adoption of ASU 2018-12 - Targeted Improvements to the Accounting for Long-Duration Contracts Effective January 1, 2023, the Company adopted Accounting Standards Update (“ASU”) 2018-12, Financial Services—Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts , as amended by ASU 2019-09, Financial Services—Insurance (Topic 944) : Effective Date; ASU 2020-11, Financial Services—Insurance (Topic 944): Effective Date and Early Application ; and ASU 2022-05, Financial Services—Insurance (Topic 944): Transition for Sold Contracts (“LDTI”), with a transition date of January 1, 2021 (the “Transition Date”). Adoption of LDTI impacted the Company’s accounting and presentation related to long-duration insurance contracts and certain related balances for the years ended December 31, 2022 and 2021. Amounts within these consolidated financial statements which were previously presented, have been revised to conform with the current year accounting and presentation under LDTI. Disclosures as of the Transition Date are reflected in summary within “— Recent Accounting Pronouncements — Adoption of ASU 2018-12 - Targeted Improvements to the Accounting for Long-Duration Contracts,” and in further detail (at the disaggregated level) within Notes 4, 5, 6 and 8. Consolidation The accompanying consolidated financial statements include the accounts of MetLife, Inc. and its subsidiaries, as well as partnerships and joint ventures in which the Company has a controlling financial interest, and variable interest entities (“VIEs”) for which the Company is the primary beneficiary. Intercompany accounts and transactions have been eliminated. The Company uses the equity method of accounting, unless the fair value option (“FVO”) is applied for real estate joint ventures and other limited partnership interests (“investee”) when it has more than a minor ownership interest or more than a minor influence over the investee’s operations. The Company generally recognizes its share of the investee’s earnings in net investment income on a three-month lag in instances where the investee’s financial information is not sufficiently timely or when the investee’s reporting period differs from the Company’s reporting period. Held-for-Sale The Company classifies a business as held-for-sale when management has approved or received approval to sell the business, the sale is probable to occur during the next 12 months at a price that is reasonable in relation to its current estimated fair value and certain other specified criteria are met. The business classified as held-for-sale is recorded at the lower of the carrying value and estimated fair value, less cost to sell. If the carrying value of the business exceeds its estimated fair value, less cost to sell, a loss is recognized and reported in net investment gains (losses). Assets and liabilities related to the business classified as held-for-sale are separately reported in the Company's consolidated balance sheets in the period in which the business first meets all the criteria to be classified as held-for-sale and in each reporting period thereafter until sold. See Note 3. If a component of the Company has either been disposed of or is classified as held- for-sale and represents a strategic shift that has or will have a major effect on the Company’s operations and financial results, the results of the component are reported in discontinued operations. Separate Accounts Separate accounts are established in conformity with insurance laws. Generally, the assets of the separate accounts cannot be used to settle the liabilities that arise from any other business of the Company. Separate account assets are subject to general account claims only to the extent the value of such assets exceeds the separate account liabilities. The Company reports separately, as separate account assets and liabilities, investments held in separate accounts and corresponding policyholder liabilities of the same amount if all of the following criteria are met: • such separate accounts are legally recognized; • assets supporting the contract liabilities are legally insulated from the Company’s general account liabilities; • investment objectives are directed by the contractholder; and • all investment performance, net of contract fees and assessments, is passed through to the contractholder. The Company reports separate account assets at their fair value which is based on the estimated fair values of the underlying assets comprising the individual separate account portfolios. Investment performance (including investment income, net investment gains (losses) and changes in unrealized gains (losses)) and the corresponding amounts credited to contractholders of such separate accounts are offset within the same line on the statements of operations. Separate accounts credited with a contractual investment return are not reported as separate account assets and liabilities and are combined on a line-by-line basis with the Company’s general account assets, liabilities, revenues and expenses and the accounting for these investments is consistent with the methodologies described herein for similar financial instruments held within the general account. Unit-linked separate account investments that are directed by contractholders but do not meet one or more of the other above criteria are included in contractholder-directed equity securities with the corresponding liability included in policyholder account balances (“PABs”) on the balance sheets. Investment performance is reported within net investment income and a corresponding amount reported as interest credited to PABs in the statements of operations. The Company’s revenues reflect fees charged to the separate accounts, including mortality charges, risk charges, policy administration fees, investment management fees and surrender charges. Such fees are included in universal life and investment-type product policy fees on the statements of operations. Revisions The Company originates mortgage loans and in certain cases transfers proportional rights to cash flows of mortgage loans to third parties. These transactions were previously accounted for by the Company as sales of portions of the related mortgage loans. During the second quarter of 2023, management determined that certain of these pre-existing transactions did not meet the criteria for sale accounting and recorded an adjustment to reflect those transfers as secured borrowings. This adjustment did not result in changes to the Company’s economic exposure or key financial reporting metrics. Based on management’s assessment of both quantitative and qualitative factors, the error correction was not material to the Company’s current period or prior period financial statements and prior periods have not been revised. Summary of Significant Accounting Policies The following table presents the Company’s significant accounting policies with cross-references to the notes which provide additional information on such policies. Accounting Policy Note Future Policy Benefit Liabilities 4 Policyholder Account Balances 5 Market Risk Benefits 6 Deferred Policy Acquisition Costs, Value of Business Acquired, Unearned Revenue and Other Intangibles 8 Reinsurance 9 Investments 11 Derivatives 12 Fair Value 13 Goodwill 15 Employee Benefit Plans 21 Income Tax 22 Litigation Contingencies 24 Future Policy Benefit Liabilities Traditional Non-participating and Limited-payment Long-duration products The Company establishes future policy benefit liabilities (“FPBs”) for amounts payable under traditional non-participating and limited-payment long-duration insurance and reinsurance policies which include, but are not limited to most whole and term life & endowment products, accident & health, fixed annuities, pension risk transfers, structured settlements, institutional income annuities and long-term care products. Generally, amounts are payable over an extended period of time and the related liabilities are calculated as the present value of future expected benefits and claim settlement expenses to be paid, reduced by the present value of future expected net premiums. FPBs are measured as cohorts (e.g., groups of long-duration contracts), with the exception of pension risk transfers and longevity reinsurance solutions contracts, each of which is generally considered its own cohort. Contracts from different subsidiaries or branches, issue years, benefit currencies and product types are not grouped together in the same cohort. Such liabilities are established based on methods and underlying assumptions in accordance with GAAP and applicable actuarial standards. A net premium ratio (“NPR”) approach is utilized, where net premiums (i.e., the portion of gross premiums required to fund expected insurance benefits and claim settlement expenses) are accrued each period as FPBs. The NPR used to accrue the FPB in each period is determined by using the historical and present value of expected future benefits and claim settlement expenses for the cohort divided by the historical and present value of expected future gross premiums for the cohort. Cash flow assumptions are incorporated into the calculation of a cohort's NPR and FPB reserve. These assumptions are used to project the amount and timing of expected benefits and claim settlement expenses to be paid and the expected amount of premiums to be collected for a cohort. The principal inputs and assumptions used in the establishment of FPBs are actual premiums, actual benefits, in-force policies, and best estimate cash flow assumptions to project future premium and benefit amounts. The Company’s primary best estimate cash flow assumptions include expectations related to mortality, morbidity, termination, claim settlement expense, policy lapse, renewal, retirement, disability incidence, disability terminations, inflation and other contingent events as appropriate to the respective product type and geographical area. Generally, the NPR and FPB reserve are updated retrospectively on a quarterly basis for actual experience and at least once a year for any changes in future cash flow assumptions, except for claim settlement expenses, for which the Company has elected to lock in assumptions at the Transition Date or inception (for contracts sold after the Transition Date), as allowed by LDTI. The resulting remeasurement (gain) loss is recorded through net income and reflects the impact of the change in the NPR based on experience at the end of the quarter applied to the cumulative premiums received from the inception of the cohort (or from the Transition Date for contracts issued prior to the Transition Date) to the beginning of the quarter. The total contractual profit pattern is recognized over the expected life of the cohort by retrospectively updating the NPR. If net premiums exceed gross premiums (i.e., expected benefits exceed expected gross premiums), the FPB is increased, and a corresponding adjustment is recognized immediately in net income. The change in FPB reflected in the statement of operations is calculated using a locked-in discount rate. For products issued prior to the Transition Date, a cohort level locked-in discount rate was developed that reflected the interest accretion rates that were locked in at inception of the underlying contracts (unless there was a historical premium deficiency event that resulted in updating the interest accretion rate prior to the Transition Date), or the acquisition date for contracts acquired through an assumed in-force reinsurance transaction or a business combination. For contracts issued subsequent to the Transition Date, the upper-medium grade discount rate used for interest accretion is locked-in for the cohort and represents the original upper-medium grade discount rate at the issue date of the underlying contracts. The FPB for all cohorts is remeasured to a current upper-medium grade discount rate at each reporting date through other comprehensive income (loss) (“OCI”). The Company generally interprets the upper-medium grade discount rate to be a rate comparable to that of a corporate single A rate that reflects the duration characteristics of the liability. The upper-medium grade discount rate is determined by using observable market data, including published upper-medium grade discount curves. In situations where market data for an upper-medium grade discount curve is not available (e.g., in certain foreign jurisdictions), spreads are applied to adjust the available observable market data to an upper-medium grade discount curve. The last liquid point on the upper-medium grade discount curve for each jurisdiction grades to an ultimate forward rate, which is derived using assumptions of economic growth, inflation, and a long-term upper-medium grade spread. The table below summarizes the market data and spreads applied to determine the upper-medium grade discount rate for products issued in key jurisdictions that are included in the disaggregated rollforwards in Note 4. Disaggregated rollforwards Jurisdiction Observable base curve Spread applied to derive upper-medium grade discount rate RIS Annuities, MetLife Holdings Long-term Care United States Single A curve No spread applied as there is an observable single A base discount curve. Asia - Whole and Term Life & Endowments, Asia - Accident & Health Japan Japanese government bond yield A spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to 10 years and held flat for years 10 to 30. Korea Korean government bond yield A spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to five years and held flat for years five to 30. Latin America Fixed Annuities Chile Chilean government bond yield A blended spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to 10 years and held flat for years 10 to 25. Mexico Mexican government bond yield There are few public corporate bonds denominated in Mexican pesos with a credit rating higher than sovereign bonds. Therefore a spread is applied based on local corporate bond yields to approximate a single A equivalent bond. For limited-payment long-duration contracts, the collection of premiums does not represent the completion of the earnings process, therefore, any gross premiums received in excess of net premiums is deferred and amortized as a deferred profit liability (“DPL”). The DPL is presented within FPBs and is amortized in proportion to either the present value of expected benefit payments or insurance in-force of each cohort to ensure that profits are recognized over the life of the underlying policies in that cohort, regardless of when premiums are received. This amortization of the DPL is recorded through net income within policyholder benefits and claims. Consistent with the Company’s measurement of traditional long-duration products, management also recognizes a FPB reserve for limited-payment contracts that is representative of the difference between the present value of expected future benefits and the present value of expected future net premiums, subject to retrospective remeasurement through net income and OCI, as described above. The DPL is also subject to retrospective remeasurement through net income, however, it is not remeasured for changes in discount rates. When a cohort’s present value of future net premiums exceeds the present value of future benefits, a “flooring” adjustment is required. The flooring adjustment ensures that the liability for future policy benefits for each cohort is not less than zero, and is reported in net income or OCI, depending on whether the flooring relates to the FPB discounted at the locked-in discount rate versus the current upper-medium grade discount rate, respectively. Traditional Participating Products The Company establishes FPBs for traditional participating contracts in the U.S., which include whole and term life participating contracts in both the open and closed block using a net premium approach, similar to traditional non-participating contracts. However, for participating contracts, the discount rate and actuarial assumptions are locked-in at inception, include a provision for adverse deviation, and all changes in the associated FPBs are reported within policyholder benefits and claims. See Note 10 for additional information on the closed block. For traditional participating contracts, the Company reviews its estimates of actuarial liabilities for future benefits and compares them with current best estimate assumptions. The Company revises estimates, to increase FPBs, if the Company determines that the liabilities previously established for future benefit payments less future expected net premiums in the aggregate for this line of business prove inadequate. Additional Insurance Liabilities Liabilities for universal, variable universal, and variable life policies with secondary guarantees (“ULSG”) and paid-up guarantees are determined by estimating the expected value of death benefits payable when the account balance is projected to be zero and recognizing those benefits ratably over the life of the contract based on total expected assessments. The additional insurance liabilities are updated retrospectively on a quarterly basis for actual experience and at least once a year for any changes in future cash flow assumptions. The assumptions used in estimating the secondary and paid-up guarantee liabilities are investment income, mortality, lapse, and premium payment pattern and persistency. The assumptions of investment performance and volatility for variable products are consistent with historical experience of appropriate underlying equity indices, such as the S&P Global Ratings (“S&P”) 500 Index. The benefits used in calculating the liabilities are based on the average benefits payable over a range of scenarios. The resulting adjustments are recorded as policyholder liability remeasurement (gains) losses in the statement of operations reflecting the impact on the change in the ratio of benefits payable to total assessments over the life of the contract based on experience at the end of the quarter applied to the cumulative assessments received as of the beginning of the quarter. For annuitization benefits, future benefits expected to be paid during the annuitization phase are discounted using an upper-medium grade discount rate to determine the excess benefit upon annuitization. The discount rate is not locked in for expected annuitization benefits, and is required to be updated quarterly, consistent with other components of the annuitization benefit cash flows. Changes in the discount rate applied to the future annuitization payments are reflected in policyholder benefits and claims within the statement of operations. Premium Deficiency Reserves Premium deficiency reserves may be established for short-duration contracts to provide for expected future losses and certain expenses that exceed unearned premiums. These reserves are based on actuarial estimates of the amount of loss inherent in that period, including losses incurred for which claims have not been reported. The provisions for unreported claims are calculated using studies that measure the historical length of time between the incurred date of a claim and its eventual reporting to the Company. For universal life-type and certain participating contracts, a premium deficiency reserve may be established when existing contract liabilities, together with the present value of future fees and/or premiums, are not sufficient to cover the present value of future benefits and settlement costs. Anticipated investment income is also considered in the calculations of premium deficiency reserves for short-duration contracts, as well as universal life-type and certain participating contracts. Policyholder Account Balances PABs represent the amount held by the Company on behalf of the policyholder at each reporting date. This amount includes deposits received from the policyholder, interest credited to the policyholder’s account balance, net of charges assessed against the account balance and any policyholder withdrawals. This balance also includes liabilities for structured settlement and institutional income annuities, and certain other contracts, that do not contain significant insurance risk, as well as the estimated fair value of embedded derivatives associated with indexed annuity products. Market Risk Benefits As defined by LDTI, market risk benefits (“MRBs”) are contracts or contract features that guarantee benefits, such as guaranteed minimum benefits, in addition to an account balance, which expose insurance companies to other than nominal capital market risk (e.g., equity price, interest rate, and/or foreign currency exchange risk) and subsequently protect the contractholder from the same risk. These contracts and contract features were generally recorded as embedded derivatives or additional insurance liabilities prior to the Transition Date. Certain contracts may have multiple contract features or guarantees. In these cases, each feature is separately evaluated to determine whether it meets the definition of an MRB at contract inception. If a contract includes multiple benefits that meet the definition of an MRB, those benefits are aggregated and measured as a single compound MRB. All identified MRBs are required to be measured at estimated fair value, whether the contract or contract feature represents a direct, assumed or ceded capital market risk. All MRBs in an asset position are aggregated and presented as an asset, and all MRBs in a liability position are aggregated and presented as a liability. Changes in the estimated fair value of MRBs are recognized in net income, except for the portion of the fair value change attributable to the change in nonperformance risk of the Company which is recorded as a separate component of OCI. The Company generally uses an attributed fee approach to value MRBs, where the attributed fee is determined at contract inception by estimating the fair value of expected future benefits and the expected future fees. The attributed fee percentage is the portion of the expected future fees due from contractholders deemed necessary at contract inception to fund all future expected benefits. This typically results in a zero fair value for the MRB at inception. The estimated fair value of the expected future benefits is estimated using a stochastically-generated set of risk-neutral scenarios. Once calculated, the attributed fee percentage is fixed and does not change over the life of the contract. All fees due from contractholders (or payable to reinsurers in the case of ceded MRBs) in excess of the attributed fees are reported in universal life and investment-type product policy fees. Other Policy-Related Balances Other policy-related balances include policy and contract claims, premiums received in advance, unearned revenue (“UREV”) liabilities, obligations assumed under structured settlement assignments, policyholder dividends due and unpaid, policyholder dividends left on deposit and negative value of business acquired (“VOBA”). The liability for policy and contract claims generally relates to incurred but not reported (“IBNR”) death, disability, dental and vision claims. In addition, generally included in other policy-related balances are claims which have been reported but not yet settled for death, disability, dental and vision. The liability for these claims is based on the Company’s estimated ultimate cost of settling all claims. The Company derives estimates for the development of IBNR claims principally from analyses of historical patterns of claims by business line. The methods used to determine these estimates are continually reviewed. Adjustments resulting from this continuous review process and differences between estimates and payments for claims are recognized in policyholder benefits and claims expense in the period in which the estimates are changed or payments are made. The Company accounts for the prepayment of premiums on its individual life, group life and health contracts as premiums received in advance. These amounts are then recognized in premiums when due. The UREV liability relates to universal life and investment-type products and represents policy charges for services to be provided in future periods. The charges are deferred as UREV and amortized on a basis consistent with the methodologies and assumptions used for amortizing deferred policy acquisition costs (“DAC”) for the related contracts. Changes in the UREV liability for each period (representing deferrals less amortization) are reported in universal life and investment-type product policy fees. See “— Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles” for a discussion of negative VOBA. Recognition of Insurance Revenues and Deposits Premiums related to long-duration whole and term life & endowment products, individual accident & health, disability, individual and group fixed annuities (including pension risk transfers, certain structured settlements, and certain income annuities), long-term care and participating products are recognized as revenues when due from policyholders. Policyholder benefits and expenses are provided to recognize profits over the estimated lives of the insurance policies. When premiums are due over a significantly shorter period than the period over which benefits are provided, any excess profit is deferred as a DPL and recognized into earnings in a constant relationship to insurance in-force or, for annuities, the present value of expected future policy benefit payments. Premiums related to short-duration group term life, dental, disability, accident & health, vision and credit insurance contracts are recognized on a pro rata basis over the applicable contract term. Unearned premiums, representing the portion of premium written related to the unexpired coverage, are reflected as liabilities until earned. Deposits related to universal life and investment-type products are credited to PABs. Revenues from such contracts consist of fees for mortality, policy administration and surrender charges and are recorded in universal life and investment-type product policy fees in the period in which services are provided. All fees due from contractholders (or payable to reinsurers in the case of ceded MRBs) in excess of the attributed fees on contracts with MRBs are reported in universal life and investment-type product policy fees. Amounts that are charged to earnings include interest credited and benefit claims incurred in excess of related PABs. All revenues and expenses are presented net of reinsurance, as applicable. Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles The Company incurs significant costs in connection with acquiring new and renewal insurance business. Costs that are related directly to the successful acquisition or renewal of insurance contracts are capitalized as DAC. Such costs include: • incremental direct costs of contract acquisition, such as commissions; • the portion of an employee’s total compensation and benefits related to time spent selling, underwriting or processing the issuance of new and renewal insurance business only with respect to actual policies acquired or renewed; • other essential direct costs that would not have been incurred had a policy not been acquired or renewed; and • the costs of direct-response advertising, the primary purpose of which is to elicit sales to customers who could be shown to have responded specifically to the advertising and that results in probable future benefits. All other acquisition-related costs, including those related to general advertising and solicitation, market research, agent training, product development, unsuccessful sales and underwriting efforts, as well as all indirect costs, are expensed as incurred. VOBA is an intangible asset resulting from a business combination that represents the excess of book value over the estimated fair value of acquired insurance, annuity, and investment-type contracts in-force at the acquisition date. The estimated fair value of the acquired liabilities is based on projections, by each block of business, of future policy and contract charges, premiums, mortality and morbidity, separate account performance, surrenders, operating expenses, investment returns, nonperformance risk adjustment and other factors. Actual experience with the purchased business may vary from these projections. VOBA is subject to periodic recoverability testing for traditional life and limited-payment contracts, as well as universal life type contracts. DAC and VOBA for most long-duration products are amortized on a constant-level basis that approximates straight-line amortization on an individual contract basis. The DAC and VOBA related to RIS annuities are amortized over expected benefit payments, and for all other long-duration products are generally amortized in proportion to policy count. For short-duration products, DAC and VOBA are amortized in proportion to actual and expected future earned premiums. DAC and VOBA are aggregated on the financial statements for reporting purposes. Amortization of DAC and VOBA is included in other expenses. The Company generally has two different types of sales inducements which are included in other assets: (i) the policyholder receives a bonus whereby the policyholder’s initial account balance is increased by an amount equal to a specified percentage of the customer’s deposit; and (ii) the policyholder receives a higher interest rate using a dollar cost averaging method than would have been received based on the normal general account interest rate credited. The Company defers sales inducements and amortizes them over the life of the policy using the same methodologies and assumptions used to amortize DAC for the related contracts. The amortization of deferred sales inducements (“DSI”) is included in policyholder benefits and claims. DSI assets were $146 million and $133 million at December 31, 2023 and 2022, respectively. Value of distribution agreements acquired (“VODA”) is reported in other assets and represents the present value of expected future profits associated with the expected future business derived from the distribution agreements acquired as part of a business combination. Value of customer relationships acquired (“VOCRA”) is also reported in other assets and represents the present value of the expected future profits associated with the expected future business acquired through existing customers of the acquired company or business. The VODA and VOCRA associated with past business combinations are amortiz

Segment Information

Segment Information	12 Months Ended
	Dec. 31, 2023
Segment Reporting [Abstract]
Segment Information	2. Segment Information In the fourth quarter of 2023, MetLife reorganized from five segments into the following six segments to reflect changes in management’s responsibilities: Group Benefits, RIS, Asia, Latin America, EMEA and MetLife Holdings. The Group Benefits and RIS businesses were previously reported as the U.S. segment. These changes were applied retrospectively and did not have an impact on prior period total consolidated net income (loss) or adjusted earnings. In addition, the Company continues to report certain of its results of operations in Corporate & Other. Group Benefits The Group Benefits segment, based in the U.S., offers a broad range of products to corporations and their respective employees, other institutions and their respective members, as well as individuals. These products include term, variable and universal life insurance, dental, group and individual disability, vision and accident & health insurance. RIS The RIS segment, based in the U.S., offers a broad range of life and annuity-based insurance and investment products to corporations and their respective employees, other institutions and their respective members, as well as individuals. These products include stable value and pension risk transfer products, institutional income annuities, structured settlements, longevity reinsurance solutions, benefit funding solutions and capital markets investment products. Asia The Asia segment offers a broad range of products and services to both individuals and corporations, as well as to other institutions, and their respective employees, which include life insurance, accident & health insurance and retirement and savings. Latin America The Latin America segment offers a broad range of products to both individuals and corporations, as well as to other institutions, and their respective employees, which include life insurance, retirement and savings, accident & health insurance and credit insurance. EMEA The EMEA segment offers products to individuals, corporations, other institutions, and their respective employees, which include life insurance, retirement and savings, accident & health insurance and credit insurance. MetLife Holdings The MetLife Holdings segment consists of operations relating to products and businesses that the Company no longer actively markets in the United States. These include variable, universal, term and whole life insurance, variable, fixed and index-linked annuities and long-term care insurance. It also includes an in-force block of assumed variable annuity guarantees from a third party. Corporate & Other Corporate & Other contains various start-up, developing and run-off businesses. Also included in Corporate & Other are: the excess capital, as well as certain charges and activities, not allocated to the segments (including external integration and disposition costs, internal resource costs for associates committed to acquisitions and dispositions and enterprise-wide strategic initiatives), interest expense related to the majority of the Company’s outstanding debt, expenses associated with certain legal proceedings and income tax audit issues, the elimination of intersegment amounts (which generally relate to investment expenses and intersegment loans bearing interest rates commensurate with related borrowings), and the Company’s investment management business (through which the Company provides public fixed income, private capital and real estate investment solutions to institutional investors worldwide). Financial Measures and Segment Accounting Policies Adjusted earnings is used by management to evaluate performance and allocate resources. Consistent with GAAP guidance for segment reporting, adjusted earnings is also the Company’s GAAP measure of segment performance and is reported below. Adjusted earnings should not be viewed as a substitute for net income (loss). The Company believes the presentation of adjusted earnings, as the Company measures it for management purposes, enhances the understanding of its performance by highlighting the results of operations and the underlying profitability drivers of the business. The adoption of LDTI impacted the Company’s calculation of adjusted earnings. With the adoption of LDTI, the measurement model was simplified for DAC and VOBA, and most embedded derivatives were reclassified as MRBs. As a result, the Company updated its calculation of adjusted earnings to remove certain adjustments related to the amortization of DAC, VOBA and related intangibles and adjusted for changes in measurement of certain guarantees. Under LDTI, adjusted earnings excludes changes in fair value associated with MRBs, changes in discount rates on certain annuitization guarantees, losses at contract inception for certain single premium business, and asymmetrical accounting associated with in-force reinsurance. All periods presented herein reflect the updated calculation of adjusted earnings. Adjusted earnings is defined as adjusted revenues less adjusted expenses, net of income tax. These financial measures focus on the Company’s primary businesses principally by excluding the impact of (i) market volatility which could distort trends, (ii) asymmetrical and non-economic accounting, and (iii) revenues and costs related to divested businesses, non-core products and certain entities required to be consolidated under GAAP. Also, these measures exclude results of discontinued operations under GAAP. Market volatility can have a significant impact on the Company’s financial results. Adjusted earnings excludes net investment gains (losses), net derivative gains (losses), MRB remeasurement gains (losses) and goodwill impairments. Further, policyholder benefits and claims exclude (i) changes in the discount rate on certain annuitization guarantees accounted for as additional liabilities and (ii) market value adjustments. Asymmetrical and non-economic accounting adjustments are made to the line items indicated in calculating adjusted earnings: • Net investment income includes earned income on derivatives and amortization of premium on derivatives that are hedges of investments or that are used to replicate certain investments, but do not qualify for hedge accounting treatment. • Other revenues include settlements of foreign currency earnings hedges and exclude asymmetrical accounting associated with in-force reinsurance. • Policyholder benefits and claims excludes (i) amortization of basis adjustments associated with de-designated fair value hedges of future policy benefits, (ii) inflation-indexed benefit adjustments associated with contracts backed by inflation-indexed investments, (iii) asymmetrical accounting associated with in-force reinsurance, and (iv) non-economic losses incurred at contract inception for certain single premium annuity business. These losses are amortized into adjusted earnings within policyholder benefits and claims over the estimated lives of the contracts. • Interest credited to PABs excludes amounts associated with periodic crediting rate adjustments based on the total return of a contractually referenced pool of assets and other pass-through adjustments and asymmetrical accounting associated with in-force reinsurance. Divested businesses are those that have been or will be sold or exited by MetLife but do not meet the discontinued operations criteria under GAAP. Divested businesses also include the net impact of transactions with exited businesses that have been eliminated in consolidation under GAAP and costs relating to businesses that have been or will be sold or exited by MetLife that do not meet the criteria to be included in results of discontinued operations under GAAP. Other adjustments are made to the line items indicated in calculating adjusted earnings: • Net investment income and interest credited to PABs excludes certain amounts related to contractholder-directed equity securities. • Other revenues include fee revenue on synthetic guaranteed interest contracts (“GICs”) accounted for as freestanding derivatives. • Other revenues exclude and other expenses include fees received in connection with services provided under transition service agreements. • Other expenses exclude (i) implementation of new insurance regulatory requirements and other costs, and (ii) acquisition, integration and other related costs. Other expenses include (i) deductions for net income attributable to noncontrolling interests, and (ii) benefits accrued on synthetic GICs accounted for as freestanding derivatives. Adjusted earnings also excludes the recognition of certain contingent assets and liabilities that could not be recognized at acquisition or adjusted for during the measurement period under GAAP business combination accounting guidance. The tax impact of the adjustments mentioned above are calculated net of the U.S. or foreign statutory tax rate, which could differ from the Company’s effective tax rate. Additionally, the provision for income tax (expense) benefit also includes the impact related to the timing of certain tax credits, as well as certain tax reforms. Set forth in the tables below is certain financial information with respect to the Company’s segments, as well as Corporate & Other, for the years ended December 31, 2023, 2022 and 2021 and at December 31, 2023 and 2022. The segment accounting policies are the same as those used to prepare the Company’s consolidated financial statements, except for adjusted earnings adjustments as defined above. In addition, segment accounting policies include the method of capital allocation described below. Economic capital is an internally developed risk capital model, the purpose of which is to measure the risk in the business and to provide a basis upon which capital is deployed. The economic capital model accounts for the unique and specific nature of the risks inherent in the Company’s business. The Company’s economic capital model, coupled with considerations of local capital requirements, aligns segment allocated equity with emerging standards and consistent risk principles. The model applies statistics-based risk evaluation principles to the material risks to which the Company is exposed. These consistent risk principles include calibrating required economic capital shock factors to a specific confidence level and time horizon while applying an industry standard method for the inclusion of diversification benefits among risk types. The Company’s management is responsible for the ongoing production and enhancement of the economic capital model and reviews its approach periodically to ensure that it remains consistent with emerging industry practice standards. The adoption of LDTI resulted in changes to the economic capital model. The changes related to this adoption do not represent a change in the composition of the segments and, in accordance with GAAP guidance for segment reporting, the Company will apply the changes to the economic capital model prospectively and did not update the economic model for 2022 and 2021. Segment net investment income is credited or charged based on the level of allocated equity; however, changes in allocated equity do not impact the Company’s consolidated net investment income, net income (loss) or adjusted earnings. Net investment income is based upon the actual results of each segment’s specifically identifiable investment portfolios adjusted for allocated equity. With the adoption of LDTI, net investment income was reallocated for certain segments to reflect the impact of the change to certain liability balances, with no impact to consolidated net investment income. Other costs are allocated to each of the segments based upon: (i) a review of the nature of such costs; (ii) time studies analyzing the amount of employee compensation costs incurred by each segment; and (iii) cost estimates included in the Company’s product pricing. Year Ended December 31, 2023 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total Adjustments Total (In millions) Revenues Premiums $ 21,558 $ 8,248 $ 5,251 $ 4,287 $ 2,016 $ 2,881 $ 42 $ 44,283 $ — $ 44,283 Universal life and investment-type product policy fees 878 313 1,632 1,398 298 632 1 5,152 — 5,152 Net investment income (1) 1,301 7,803 3,957 1,644 197 4,494 353 19,749 159 19,908 Other revenues 1,493 271 86 42 32 195 412 2,531 (5) 2,526 Net investment gains (losses) — — — — — — — — (2,824) (2,824) Net derivative gains (losses) — — — — — — — — (2,140) (2,140) Total revenues 25,230 16,635 10,926 7,371 2,543 8,202 808 71,715 (4,810) 66,905 Expenses Policyholder benefits and claims and policyholder dividends 19,164 11,269 4,333 4,094 984 5,350 23 45,217 (5) 45,212 Policyholder liability remeasurement (gains) losses (28) (131) 105 (25) (3) 37 — (45) — (45) Market risk benefit remeasurement (gains) losses — — — — — — — — (994) (994) Interest credited to policyholder account balances 193 2,887 2,301 426 72 730 — 6,609 1,251 7,860 Capitalization of DAC (20) (176) (1,583) (651) (457) (22) (8) (2,917) — (2,917) Amortization of DAC and VOBA 26 49 794 468 348 258 9 1,952 — 1,952 Amortization of negative VOBA — — (22) — (4) — — (26) — (26) Interest expense on debt 2 14 — 11 — 13 1,005 1,045 — 1,045 Other expenses 3,796 565 3,158 1,911 1,260 927 946 12,563 93 12,656 Total expenses 23,133 14,477 9,086 6,234 2,200 7,293 1,975 64,398 345 64,743 Provision for income tax expense (benefit) 442 450 558 297 78 176 (407) 1,594 (1,034) 560 Adjusted earnings $ 1,655 $ 1,708 $ 1,282 $ 840 $ 265 $ 733 $ (760) 5,723 Adjustments to: Total revenues (4,810) Total expenses (345) Provision for income tax (expense) benefit 1,034 Net income (loss) $ 1,602 $ 1,602 At December 31, 2023 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total (In millions) Total assets (1),(2) $ 36,715 $ 218,587 $ 157,206 $ 69,177 $ 18,596 $ 148,524 $ 38,779 $ 687,584 Separate account assets $ 1,159 $ 53,093 $ 9,187 $ 41,320 $ 4,327 $ 35,548 $ — $ 144,634 Separate account liabilities $ 1,159 $ 53,093 $ 9,187 $ 41,320 $ 4,327 $ 35,548 $ — $ 144,634 __________________ (1) Net investment income from equity method invested assets represents 0%, 1%, 4%, 1% and 2% of segment net investment income , and equity method invested assets represent 1%, 3%, 6%, 0% and 4% of segment total assets for the Group Benefits, RIS, Asia, Latin America and MetLife Holdings segments, respectively. (2) Asia segment total assets includes $132.2 billion of assets from the Company’s Japan operations which represents 19% of Company total assets. Year Ended December 31, 2022 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total Adjustments Total (In millions) Revenues Premiums $ 21,051 $ 13,619 $ 5,563 $ 3,224 $ 1,962 $ 3,066 $ (16) $ 48,469 $ 41 $ 48,510 Universal life and investment-type product policy fees 855 303 1,693 1,175 284 902 2 5,214 11 5,225 Net investment income (1) 1,136 6,204 3,909 1,593 160 4,914 273 18,189 (2,273) 15,916 Other revenues 1,360 392 90 39 35 155 396 2,467 163 2,630 Net investment gains (losses) — — — — — — — — (1,260) (1,260) Net derivative gains (losses) — — — — — — — — (2,251) (2,251) Total revenues 24,402 20,518 11,255 6,031 2,441 9,037 655 74,339 (5,569) 68,770 Expenses Policyholder benefits and claims and policyholder dividends 19,076 16,163 4,564 3,320 976 5,636 (6) 49,729 484 50,213 Policyholder liability remeasurement (gains) losses 7 (36) 69 (21) (6) 101 — 114 — 114 Market risk benefit remeasurement (gains) losses — — — — — — — — (3,674) (3,674) Interest credited to policyholder account balances 143 1,914 2,003 335 71 813 — 5,279 (1,385) 3,894 Capitalization of DAC (18) (113) (1,530) (494) (411) (29) (8) (2,603) (11) (2,614) Amortization of DAC and VOBA 26 40 745 410 323 270 9 1,823 8 1,831 Amortization of negative VOBA — — (24) — (5) — — (29) — (29) Interest expense on debt 1 8 — 12 — 8 909 938 — 938 Other expenses 3,478 484 3,153 1,520 1,171 953 709 11,468 265 11,733 Total expenses 22,713 18,460 8,980 5,082 2,119 7,752 1,613 66,719 (4,313) 62,406 Provision for income tax expense (benefit) 357 423 658 220 73 254 (343) 1,642 (580) 1,062 Adjusted earnings $ 1,332 $ 1,635 $ 1,617 $ 729 $ 249 $ 1,031 $ (615) 5,978 Adjustments to: Total revenues (5,569) Total expenses 4,313 Provision for income tax (expense) benefit 580 Net income (loss) $ 5,302 $ 5,302 At December 31, 2022 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total (In millions) Total assets (2) $ 35,849 $ 216,370 $ 148,305 $ 63,687 $ 16,860 $ 148,749 $ 33,252 $ 663,072 Separate account assets $ 990 $ 60,040 $ 8,292 $ 39,428 $ 3,314 $ 33,974 $ — $ 146,038 Separate account liabilities $ 990 $ 60,040 $ 8,292 $ 39,428 $ 3,314 $ 33,974 $ — $ 146,038 __________________ (1) Net investment income from equity method invested assets represents 1%, 6%, 12%, 3% and 6% of segment net investment income for the Group Benefits, RIS, Asia, Latin America and MetLife Holdings segments, respectively. (2) Asia segment total assets includes $125.1 billion of assets from the Company’s Japan operations which represents 19% of Company total assets. Year Ended December 31, 2021 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total Adjustments Total (In millions) Revenues Premiums $ 20,475 $ 5,023 $ 6,421 $ 2,609 $ 2,274 $ 3,333 $ 35 $ 40,170 $ 982 $ 41,152 Universal life and investment-type product policy fees 829 311 1,626 1,140 387 923 2 5,218 26 5,244 Net investment income (1) 1,160 6,888 5,052 1,271 215 6,385 309 21,280 115 21,395 Other revenues 1,239 299 73 41 47 257 420 2,376 243 2,619 Net investment gains (losses) — — — — — — — — 1,543 1,543 Net derivative gains (losses) — — — — — — — — (3,257) (3,257) Total revenues 23,703 12,521 13,172 5,061 2,923 10,898 766 69,044 (348) 68,696 Expenses Policyholder benefits and claims and policyholder dividends 19,807 7,330 5,251 3,155 1,196 6,118 34 42,891 1,107 43,998 Policyholder liability remeasurement (gains) losses (5) (31) (152) (33) 32 16 — (173) 1 (172) Market risk benefit remeasurement (gains) losses — — — — — — — — (1,237) (1,237) Interest credited to policyholder account balances 127 1,550 1,994 249 86 840 — 4,846 725 5,571 Capitalization of DAC (19) (95) (1,601) (406) (469) (31) (11) (2,632) (119) (2,751) Amortization of DAC and VOBA 26 37 786 372 361 320 9 1,911 126 2,037 Amortization of negative VOBA — — (28) — (7) — — (35) — (35) Interest expense on debt 1 6 — 5 — 5 902 919 1 920 Other expenses 3,177 455 3,388 1,385 1,324 992 562 11,283 564 11,847 Total expenses 23,114 9,252 9,638 4,727 2,523 8,260 1,496 59,010 1,168 60,178 Provision for income tax expense (benefit) 126 678 1,017 60 94 535 (574) 1,936 (294) 1,642 Adjusted earnings $ 463 $ 2,591 $ 2,517 $ 274 $ 306 $ 2,103 $ (156) 8,098 Adjustments to: Total revenues (348) Total expenses (1,168) Provision for income tax (expense) benefit 294 Net income (loss) $ 6,876 $ 6,876 __________________ (1) Net investment income from equity method invested assets represents 5%, 26%, 30%, 7% and 26% of segment net investment income for the Group Benefits, RIS, Asia, Latin America and MetLife Holdings segments, respectively. The following table presents total premiums, universal life and investment-type product policy fees and other revenues by major product groups of the Company’s segments, as well as Corporate & Other: Years Ended December 31, 2023 2022 2021 (In millions) Life insurance $ 22,111 $ 21,728 $ 22,742 Accident & health insurance 18,014 17,441 17,367 Annuities 10,193 15,657 6,394 Other 1,643 1,539 2,512 Total $ 51,961 $ 56,365 $ 49,015 The following table presents total premiums, universal life and investment-type product policy fees and other revenues associated with the Company’s U.S. and foreign operations: Years Ended December 31, 2023 2022 2021 (In millions) U.S. $ 36,869 $ 42,250 $ 34,191 Japan 5,020 5,460 6,183 Other 10,072 8,655 8,641 Total $ 51,961 $ 56,365 $ 49,015 Revenues derived from one RIS customer were $8.1 billion for the year ended December 31, 2022, which represented 14% of consolidated premiums, universal life and investment-type product policy fees and other revenues. The revenue was from a single premium received for a pension risk transfer. Revenues derived from any single customer did not exceed 10% of consolidated premiums, universal life and investment-type product policy fees and other revenues for the years ended December 31, 2023 or 2021.

Dispositions - Dispositions

Dispositions - Dispositions	12 Months Ended
	Dec. 31, 2023
Discontinued Operations and Disposal Groups [Abstract]
Disposition	3. Dispositions Pending Disposition of MetLife Malaysia In October 2023, the Company entered into an agreement to sell its ownership interests in AmMetLife Insurance Berhad (Malaysia) and AmMetLife Takaful Berhad (Malaysia) (collectively, “MetLife Malaysia”), each an operating joint venture accounted for under the equity method and recorded to other invested assets. In connection with the anticipated disposal, an expected impairment loss of $136 million, net of income tax, was recorded for the year ended December 31, 2023, and is reflected in net investment gains (losses). MetLife Malaysia’s results are reported in the Asia segment’s adjusted earnings. The transaction is expected to close in 2024 and is subject to regulatory approvals and satisfaction of other closing conditions. Disposition of MetLife Seguros S.A. In September 2021, the Company sold its wholly-owned Argentinian subsidiary, MetLife Seguros S.A. (“MetLife Seguros”). In connection with the sale, a loss of $205 million, net of income tax, was recorded for the year ended December 31, 2021, which is reflected in net investment gains (losses). MetLife Seguros results of operations are reported in the Latin America segment adjusted earnings through the date of sale. Disposition of MetLife Poland and Greece In July 2021, the Company entered into definitive agreements to sell its wholly-owned subsidiaries in Poland and Greece (collectively, “MetLife Poland and Greece”) to NN Group N.V. for $738 million in total consideration, including a pre-closing dividend of $43 million. In January 2022 and April 2022, the Company completed the sales of its wholly-owned subsidiaries in Greece and Poland, respectively. In connection with the sales, a loss of $25 million, net of income tax, was recorded for the year ended December 31, 2022, which was reflected in net investment gains (losses) and resulted in a total loss on the sales of $239 million, net of income tax. MetLife Poland and Greece results of operations are reported in the EMEA segment adjusted earnings through June 30, 2021. See Note 2 for information on accounting for divested business. MetLife Poland and Greece income (loss) before provision for income tax as reflected in the consolidated statements of operations was $19 million and $50 million for the years ended December 31, 2022 and 2021, respectively. Disposition of Metropolitan Property and Casualty Insurance Company In December 2020, the Company entered into a definitive agreement to sell its wholly-owned subsidiary, Metropolitan Property and Casualty Insurance Company and certain of its wholly-owned subsidiaries (collectively, “MetLife P&C”) to Farmers Group, Inc. for $3.9 billion. In addition, the Company and the Farmers Exchanges have established a 10-year strategic partnership through which the Farmers Insurance Group will offer its personal line products on MetLife’s Group Benefits platform which commenced when the transaction closed. In April 2021, the Company completed the sale of MetLife P&C. As a result of the sale, the Company recognized a gain of $1.4 billion ($1.0 billion, net of income tax) in net investment gains (losses) for the year ended December 31, 2021, which includes customary purchase price adjustments recorded after the date of sale. MetLife P&C income (loss) before provision for income tax as reflected in the consolidated statement of operation was $121 million for the year ended December 31, 2021.

Future Policy Benefits

Future Policy Benefits	12 Months Ended
	Dec. 31, 2023
Insurance [Abstract]
Liability for Future Policy Benefits and Unpaid Claims Disclosure	4. Future Policy Benefits The Company establishes liabilities for amounts payable under insurance policies. These liabilities are comprised of traditional and limited-payment contracts and associated DPLs, additional insurance liabilities, participating life and short-duration contracts. The LDTI transition adjustments related to traditional and limited-payment contracts, DPLs, and additional insurance liabilities, as well as the associated ceded recoverables, as described in Note 1, were as follows at the Transition Date: RIS Annuities Asia Asia Latin America Fixed Annuities MetLife Holdings Long-Term Care MetLife Holdings Other Long-Duration Short-Duration and Other Total (In millions) Balance, future policy benefits, at December 31, 2020 $ 66,030 $ 17,990 $ 16,330 $ 8,393 $ 14,281 $ 51,148 $ 19,128 $ 13,356 $ 206,656 Removal of additional insurance liabilities for separate presentation (1) (4) — — — — — (6,561) — (6,565) Subtotal - pre-adoption balance, excluding additional liabilities 66,026 17,990 16,330 8,393 14,281 51,148 12,567 13,356 200,091 Removal of related amounts in AOCI (5,914) — — (295) (1,210) — (492) — (7,911) Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — — — — (176) — (176) Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 337 51 154 121 — — 56 — 719 Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 15,834 4,386 285 2,869 8,270 — 2,475 — 34,119 Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (7,416) 4 47 (1) — — (124) — (7,490) Removal of remeasured deferred profit liabilities for separate presentation (1) (2,897) (225) (691) (570) — — (275) — (4,658) Balance, traditional and limited-payment contracts, at January 1, 2021 $ 65,970 $ 22,206 $ 16,125 $ 10,517 $ 21,341 $ 51,148 $ 14,031 $ 13,356 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 $ 2,897 $ 225 $ 691 $ 570 $ — $ — $ 275 $ — $ 4,658 Balance, ceded recoverables on traditional and limited-payment contracts at December 31, 2020 $ 203 $ — $ 32 $ — $ — $ 1,052 $ 1,287 Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate 135 (15) (66) — — 297 351 Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach — — — — — 32 32 Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract 6 — (2) — — 10 14 Balance ceded recoverables on traditional and limited-payment contracts at January 1, 2021 $ 344 $ (15) $ (36) $ — $ — $ 1,391 $ 1,684 __________________ (1) LDTI requires separate disaggregated rollforwards of the additional insurance liabilities balance and the traditional and limited-payment FPBs. Therefore, the additional insurance liabilities and DPL amounts that are recorded in the FPB financial statement line item are removed to derive the opening balance of traditional and limited-payment contracts at the Transition Date. Asia Asia Universal and Variable Universal Life MetLife Holdings Universal and Variable Universal Life Other Long-Duration Total (In millions) Additional insurance liabilities at December 31, 2020 $ 1,824 $ 788 $ 1,976 $ 1,977 $ 6,565 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — (1,642) (1,642) Adjustments for the cumulative effect of adoption on additional insurance liabilities — — 38 45 83 Additional insurance liabilities at January 1, 2021 $ 1,824 $ 788 $ 2,014 $ 380 $ 5,006 Ceded recoverables on additional insurance liabilities at December 31, 2020 $ — $ — $ 719 $ 8 $ 727 Reclassification of carrying amounts of contracts and contract features that are reinsured market risk benefits — — — (8) (8) Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities — — 1 — 1 Ceded recoverables on additional insurance liabilities at January 1, 2021 $ — $ — $ 720 $ — $ 720 Balance, traditional and limited-payment contracts, at January 1, 2021 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 4,658 Balance, additional insurance liabilities at January 1, 2021 5,006 Total future policy benefits at January 1, 2021 $ 224,358 The Company’s future policy benefits on the consolidated balance sheets was as follows at: December 31, 2023 2022 (In millions) Traditional and Limited-Payment Contracts: RIS - Annuities $ 64,324 $ 58,495 Asia: Whole and term life & endowments 12,874 12,792 Accident & health 10,712 10,040 Latin America - Fixed annuities 9,637 9,265 MetLife Holdings - Long-term care 15,240 13,845 Deferred Profit Liabilities: RIS - Annuities 3,697 3,327 Asia: Whole and term life & endowments 654 510 Accident & health 830 760 Latin America - Fixed annuities 562 560 Additional Insurance Liabilities: Asia: Variable life 1,258 1,381 Universal and variable universal life 424 455 MetLife Holdings - Universal and variable universal life 2,362 2,156 MetLife Holdings - Participating life 49,543 50,371 Other long-duration (1) 11,099 10,101 Short-duration and other 13,190 13,164 Total $ 196,406 $ 187,222 __________________ (1) This balance represents liabilities for various smaller product lines across multiple segments, as well as Corporate & Other. Rollforwards - Traditional and Limited-Payment Contracts The following information about the direct and assumed liability for future policy benefits includes disaggregated rollforwards of expected future net premiums and expected future benefits. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. The adjusted balance in each disaggregated rollforward reflects the remeasurement (gains) losses. All amounts presented in the rollforwards and accompanying financial information do not include a reduction for amounts ceded to reinsurers, except with respect to ending net liability for future policy benefits balances where applicable. See Note 9 for further information regarding the impact of reinsurance on the consolidated balance sheets and the consolidated statements of operations. RIS - Annuities The RIS segment’s annuity products include pension risk transfers, certain structured settlements and certain institutional income annuities, which are mainly single premium spread-based products. Information regarding these products was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ — $ — $ — Balance at January 1, at original discount rate $ — $ — $ — Effect of changes in cash flow assumptions (1) — — — Effect of actual variances from expected experience (2) (106) (94) (60) Adjusted balance (106) (94) (60) Issuances 6,572 12,672 3,995 Net premiums collected (6,466) (12,578) (3,935) Balance at December 31, at original discount rate — — — Balance at December 31, at current discount rate at balance sheet date $ — $ — $ — Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 58,695 $ 62,954 $ 64,896 Balance at January 1, at original discount rate $ 61,426 $ 50,890 $ 49,061 Effect of changes in cash flow assumptions (1) (284) (115) (130) Effect of actual variances from expected experience (2) (270) (175) (270) Adjusted balance 60,872 50,600 48,661 Issuances 6,588 12,770 4,060 Interest accrual 2,897 2,519 2,336 Benefit payments (5,620) (4,463) (4,167) Balance at December 31, at original discount rate 64,737 61,426 50,890 Effect of changes in discount rate assumptions (222) (2,731) 12,064 Balance at December 31, at current discount rate at balance sheet date 64,515 58,695 62,954 Cumulative amount of fair value hedging adjustments (191) (200) 727 Net liability for future policy benefits 64,324 58,495 63,681 Less: Reinsurance recoverables 269 — 312 Net liability for future policy benefits, net of reinsurance $ 64,055 $ 58,495 $ 63,369 Undiscounted - Expected future benefit payments $ 130,878 $ 113,932 $ 96,623 Discounted - Expected future benefit payments (at current discount rate at balance sheet date) $ 64,515 $ 58,695 $ 62,954 Weighted-average duration of the liability 9 years 9 years 12 years Weighted-average interest accretion (original locked-in) rate 4.7 % 4.6 % 4.8 % Weighted-average current discount rate at balance sheet date 5.1 % 5.5 % 2.9 % __________________ (1) For the years ended December 31, 2023 and 2021, the net effect of changes in cash flow assumptions was largely offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $211 million and $112 million, respectively. For the year ended December 31, 2022, the net effect of changes in cash flow assumptions was more than offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $128 million. (2) For the year ended December 31, 2023, the net effect of actual variances from expected experience was largely offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $118 million. For the year ended December 31, 2022, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $46 million. For the year ended December 31, 2021, the net effect of actual variances from expected experience was substantially offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $197 million. Significant Methodologies and Assumptions The principal inputs used in the establishment of the FPB for the RIS segment’s annuity products include actual premiums, actual benefits, in-force data, locked-in claim-related expense, the locked-in interest accretion rate, the current upper-medium grade discount rate at the balance sheet date and best estimate mortality assumptions. For each of the years ended December 31, 2023, 2022 and 2021, the net effect of changes in cash flow assumptions was primarily driven by updates in biometric assumptions related to mortality. For the year ended December 31, 2023, the net effect of actual variances from expected experience was primarily driven by favorable mortality and model refinements. For the years ended December 31, 2022 and 2021, the net effect of actual variances from expected experience was primarily driven by favorable mortality. When single premium annuity contracts are issued, the FPB reserve is required to be measured at an upper-medium grade discount rate. Due to differences between the upper-medium grade discount rate and pricing assumptions used to determine the contractual premium, the initial FPB reserve at issue for a particular cohort may be greater than the contractual premium received, and the difference must be recognized as an immediate loss at issue. On these cohorts, future experience that differs from expected experience and changes in cash flow assumptions result in the recognition of remeasurement gains and losses with net remeasurement gains limited to the amount of the original loss at issue, after which any favorable experience is deferred and recorded within the DPL. For the year ended December 31, 2022, the Company incurred a loss at issue of $99 million and recognized a net remeasurement loss of $31 million attributable to cohorts with no DPL or where the DPL was depleted during the year. Asia Whole and Term Life & Endowments The Asia segment’s whole and term life & endowment products in Japan and Korea offer various life insurance coverages to customers. Information regarding these products was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ 4,682 $ 5,986 $ 7,396 Balance at January 1, at original discount rate $ 4,943 $ 5,881 $ 7,243 Effect of changes in cash flow assumptions (1) 11 69 (60) Effect of actual variances from expected experience (2) (62) 28 (80) Adjusted balance 4,892 5,978 7,103 Issuances 730 231 208 Interest accrual 59 44 51 Net premiums collected (611) (615) (777) Effect of foreign currency translation (277) (695) (704) Balance at December 31, at original discount rate 4,793 4,943 5,881 Effect of changes in discount rate assumptions (242) (247) 117 Effect of foreign currency translation on the effect of changes in discount rate assumptions 10 (14) (12) Balance at December 31, at current discount rate at balance sheet date $ 4,561 $ 4,682 $ 5,986 Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 17,463 $ 24,453 $ 29,581 Balance at January 1, at original discount rate $ 18,209 $ 21,276 $ 25,063 Effect of changes in cash flow assumptions (1) 58 96 (108) Effect of actual variances from expected experience (2) (30) 54 (70) Adjusted balance 18,237 21,426 24,885 Issuances 729 231 208 Interest accrual 370 364 422 Benefit payments (1,174) (1,406) (1,794) Effect of foreign currency translation (964) (2,406) (2,445) Balance at December 31, at original discount rate 17,198 18,209 21,276 Effect of changes in discount rate assumptions 224 (475) 3,545 Effect of foreign currency translation on the effect of changes in discount rate assumptions 13 (271) (368) Balance at December 31, at current discount rate at balance sheet date 17,435 17,463 24,453 Cumulative impact of flooring the future policyholder benefits reserve — 11 5 Net liability for future policy benefits 12,874 12,792 18,472 Less: Amount due to reinsurer (1) (1) (10) Net liability for future policy benefits, net of reinsurance $ 12,875 $ 12,793 $ 18,482 Undiscounted: Expected future gross premiums $ 9,331 $ 9,369 $ 11,097 Expected future benefit payments $ 28,130 $ 28,507 $ 32,372 Discounted (at current discount rate at balance sheet date): Expected future gross premiums $ 8,067 $ 8,086 $ 10,377 Expected future benefit payments $ 17,435 $ 17,463 $ 24,453 Weighted-average duration of the liability 17 years 15 years 18 years Weighted -average interest accretion (original locked-in) rate 2.5 % 2.3 % 2.3 % Weighted-average current discount rate at balance sheet date 2.6 % 2.7 % 1.5 % __________________ (1) For the year ended December 31, 2023, the net effect of changes in cash flow assumptions was not offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment products due to the diversification of the products and the underlying characteristics. For the years ended December 31, 2022 and 2021, the net effect of changes in cash flow assumptions was partially offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment products of ($13) million and $1 million, respectively. (2) For the years ended December 31, 2023 and 2022, the net effect of actual variances from expected experience was not offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment product due to the diversification of the products and the underlying characteristics. For the year ended December 31, 2021, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment products of ($6) million. Significant Methodologies and Assumptions The principal inputs used in the establishment of the FPB reserve for Asia segment’s whole and term life & endowment products include actual premiums, actual benefits, in-force data, locked-in claim-related expense, the locked-in interest accretion rate, the current upper-medium grade discount rate at the balance sheet date and best estimate assumptions. The best estimate assumptions include mortality, lapse, and morbidity. Accident & Health The Asia segment’s accident & health products in Japan and Korea offer various hospitalization, cancer, critical illness, disability, income protection and personal accident coverage. Information regarding these products was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ 21,181 $ 26,543 $ 30,327 Balance at January 1, at original discount rate $ 22,594 $ 25,937 $ 29,456 Effect of changes in cash flow assumptions (1) 867 24 64 Effect of actual variances from expected experience (2) (158) 297 101 Adjusted balance 23,303 26,258 29,621 Issuances 1,030 1,387 1,488 Interest accrual 236 250 311 Net premiums collected (2,016) (2,160) (2,509) Effect of foreign currency translation (1,321) (3,141) (2,974) Balance at December 31, at original discount rate 21,232 22,594 25,937 Effect of changes in discount rate assumptions (1,449) (1,341) 674 Effect of foreign currency translation on the effect of changes in discount rate assumptions 52 (72) (68) Balance at December 31, at current discount rate at balance sheet date $ 19,835 $ 21,181 $ 26,543 Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 30,879 $ 41,874 $ 46,282 Balance at January 1, at original discount rate $ 37,189 $ 41,517 $ 45,296 Effect of changes in cash flow assumptions (1) 898 (7) 126 Effect of actual variances from expected experience (2) (180) 363 105 Adjusted balance 37,907 41,873 45,527 Issuances 1,028 1,387 1,487 Interest accrual 485 498 578 Benefit payments (1,279) (1,613) (1,458) Effect of foreign currency translation (2,131) (4,956) (4,617) Balance at December 31, at original discount rate 36,010 37,189 41,517 Effect of changes in discount rate assumptions (5,793) (6,291) 394 Effect of foreign currency translation on the effect of changes in discount rate assumptions 263 (19) (37) Balance at December 31, at current discount rate at balance sheet date 30,480 30,879 41,874 Cumulative impact of flooring the future policyholder benefits reserve 67 342 68 Net liability for future policy benefits 10,712 10,040 15,399 Less: Reinsurance recoverables/(Amount due to reinsurer) 142 143 (11) Net liability for future policy benefits, net of reinsurance $ 10,570 $ 9,897 $ 15,410 Undiscounted: Expected future gross premiums $ 41,734 $ 43,440 $ 49,959 Expected future benefit payments $ 47,046 $ 48,147 $ 53,327 Discounted (at current discount rate at balance sheet date): Expected future gross premiums $ 34,356 $ 36,179 $ 45,872 Expected future benefit payments $ 30,480 $ 30,879 $ 41,874 Weighted-average duration of the liability 25 years 17 years 30 years Weighted-average interest accretion (original locked-in) rate 1.7 % 1.7 % 1.7 % Weighted-average current discount rate at balance sheet date 2.5 % 2.7 % 1.4 % __________________ (1) For the year ended December 31, 2023, the net effect of changes in cash flow assumptions was partially offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of ($10) million. For the years ended December 31, 2022 and 2021 the net effect of changes in cash flow assumptions was more than offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of $44 million and ($69) million, respectively. (2) For the years ended December 31, 2023 and 2022, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of $4 million and ($20) million, respectively. For the year ended December 31, 2021, the net effect of actual variances from expected experience was more than offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of ($58) million. Significant Methodologies and Assumptions The principal inputs used in the establishment of the FPB reserve for the Asia segment’s accident & health products include actual premiums, actual benefits, in-force data, locked-in claim-related expense, the locked-in interest accretion rate, current up per-medium grade discount rate at the balance sheet date and best estimate assumptions. The best estimate assumptions include mortality, lapse, and morbidity. For the year ended December 31, 2023, the net effect of changes in cash flow assumptions was primarily driven by updates in policyholder behavior assumptions related to lapses, partially offset by updates in biometric assumptions related to mortality and morbidity. For the year ended December 31, 2021, the effect of changes in cash flow assumptions was primarily driven by updates in biometric assumptions related to mortality and updates in policyholder behavior assumptions related to lapses, partially offset by updates in biometric assumptions related to morbidity. Latin America - Fixed Annuities The Latin America segment’s fixed annuity products in Chile and Mexico offer fixed income annuities that provide for asset distribution needs. Information regarding these products was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ — $ — $ — Balance at January 1, at original discount rate $ — $ — $ — Effect of changes in cash flow assumptions (1) — — — Effect of actual variances from expected experience (2) — 1 1 Adjusted balance — 1 1 Issuances 1,045 714 415 Interest accrual 29 (3) (6) Net premiums collected (1,074) (712) (410) Balance at December 31, at original discount rate — — — Balance at December 31, at current discount rate at balance sheet date $ — $ — $ — Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 9,265 $ 7,343 $ 10,517 Balance at January 1, at original discount rate $ 8,240 $ 6,851 $ 7,649 Effect of changes in cash flow assumptions (1) (5) (8) (37) Effect of actual variances from expected experience (2) (31) (32) 2 Adjusted balance 8,204 6,811 7,614 Issuances 1,153 757 491 Interest accrual 341 286 294 Benefit payments (671) (560) (749) Inflation adjustment 415 896 464 Effect of foreign currency translation (193) 50 (1,263) Balance at December 31, at original discount rate 9,249 8,240 6,851 Effect of changes in discount rate assumptions 391 1,026 658 Effect of foreign currency translation on the effect of changes in discount rate assumptions (3) (1) (166) Balance at December 31, at current discount rate at balance sheet date 9,637 9,265 7,343 Net liability for future policy benefits $ 9,637 $ 9,265 $ 7,343 Undiscounted - Expected future benefit payments $ 13,994 $ 12,675 $ 10,712 Discounted - Expected future benefit payments (at current discount rate at balance sheet date) $ 9,637 $ 9,265 $ 7,343 Weighted-average duration of the liability 11 years 11 years 11 years Weighted-average interest accretion (original locked-in) rate 3.6 % 3.9 % 4.2 % Weighted-average current discount rate at balance sheet date 3.3 % 2.7 % 3.2 % __________________ (1) For the years ended December 31, 2023, 2022 and 2021, the net effect of changes in cash flow assumptions was largely offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products of $4 million, $7 million and $30 million, respectively. (2) For the year ended December 31, 2023, the net effect of actual variances from expected experience was not offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products primarily due to the variance coming from cohorts with no DPL. F or the year ended December 31, 2022, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products of $20 million. For the year ended December 31, 2021, the net effect of actual variances from expected experience was more than offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products of ($28) million. Significant Methodologies and Assumptions The principal inputs used in the establishment of the FPB reserve for the Latin America segment’s fixed annuity products include actual premiums, actual benefits, in-force data, locked-in claim-related expense, the locked-in interest accretion rate, current upper-medium grade discount rate at the balance sheet date and best estimate mortality assumptions. MetLife Holdings - Long-term Care The MetLife Holdings segment’s long-term care products offer protection against potentially high costs of long-term health care services. Information regarding these products was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ 5,775 $ 7,058 $ 7,142 Balance at January 1, at original discount rate $ 5,807 $ 5,699 $ 5,516 Effect of changes in cash flow assumptions (152) 272 270 Effect of actual variances from expected experience 199 120 183 Adjusted balance 5,854 6,091 5,969 Interest accrual 294 298 287 Net premiums collected (582) (582) (557) Balance at December 31, at original discount rate 5,566 5,807 5,699 Effect of changes in discount rate assumptions 121 (32) 1,359 Balance at December 31, at current discount rate at balance sheet date $ 5,687 $ 5,775 $ 7,058 Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 19,619 $ 27,627 $ 28,483 Balance at January 1, at original discount rate $ 20,165 $ 19,406 $ 18,586 Effect of changes in cash flow assumptions (190) 301 276 Effect of actual variances from expected experience 223 115 188 Adjusted balance 20,198 19,822 19,050 Interest accrual 1,070 1,043 998 Benefit payments (774) (700) (642) Balance at December 31, at original discount rate 20,494 20,165 19,406 Effect of changes in discount rate assumptions 433 (546) 8,221 Balance at December 31, at current discount rate at balance sheet date 20,927 19,619 27,627 Other adjustments — 1 — Net liability for future policy benefits $ 15,240 $ 13,845 $ 20,569 Undiscounted: Expected future gross premiums $ 10,603 $ 11,201 $ 11,404 Expected future benefit payments $ 45,016 $ 45,872 $ 45,835 Discounted (at current discount rate at balance sheet date ): Expected future gross premiums $ 7,139 $ 7,200 $ 9,049 Expected future benefit payments $ 20,927 $ 19,619 $ 27,627 Weighted-average duration of the liability 15 years 15 years 18 years Weighted-average interest accretion (original locked-in) rate 5.4 % 5.5 % 5.5 % Weighted-average current discount rate at balance sheet date 5.2 % 5.6 % 3.0 % Significant Methodologies and Assumptions The principal inputs used in the establishment of the FPB reserve for long-term care products include actual premiums, actual benefits, in-force data, locked-in claim-related expense, the locked-in interest accretion rate, current upper-medium grade discount rate at the balance sheet date and best estimate assumptions. The best estimate assumptions include mortality, lapse, incidence, claim utilization, claim cost inflation, claim continuance, and premium rate increases. For the year ended December 31, 2023, the net effect of changes in cash flow assumptions was primarily driven by updates in policyholder behavior assumptions related to claim utilization experience, which lowered the expected cost of care. This was partially offset by updates in biometric assumptions associated with an increase in incidence rates. For the year ended December 31, 2022, the net effect of changes in cash flow assumptions was primarily driven by updates in operational assumptions related to inflation, which increased the expected cost of care. For the year ended December 31, 2021, the net effect of actual variances from expected experience was primarily driven by a model refinement resulting in unfavorable claim utilization expectations, largely offset by higher than expected claim terminations and mortality. Rollforwards - Additional Insurance Liabilities The Company establishes additional insurance liabilities for annuitization, death or other insurance benefits for variable life, universal life, and variable universal life contract features where the Company guarantees to the contractholder either a secondary guarantee or a guaranteed paid-up benefit. The policy can remain in force, even if the base policy account value is zero, as long as contractual secondary guarantee requirements have been met. The following information about the direct liability for additional insurance liabilities includes disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. The adjusted balance in each disaggregated rollforward reflects the remeasurement (gains) losses. All amounts presented in these rollforwards and accompanying financial information do not include a reduction for amounts ceded to reinsurers. See Note 9 for further information regarding the impact of reinsurance on the consolidated balance sheets and the consolidated statements of operations. Asia The Asia segment’s variable life, universal life, and variable universal life products in Japan offer a contract feature where the Company guarantees to the contractholder a secondary guarantee. Information regarding these additional insurance liabilities was as follows: Years Ended December 31, 2023 2022 2021 2023 2022 2021 Variable Life Universal and Variable Universal Life (Dollars in millions) Balance, at January 1, $ 1,381 $ 1,595 $ 1,824 $ 455 $ 655 $ 788 Less: AOCI adjustment — — — (33) 56 102 Balance, at January 1, before AOCI adjustment 1,381 1,595 1,824 488 599 686 Effect of changes in cash flow assumptions (4) 9 — (2) (1) — Effect of actual variances from expected experience (10) 2 (24) (24) (39) (30) Adjusted balance 1,367 1,606 1,800 462 559 656 Assessments accrual (3) (3) (3) — (3) 5 Interest accrual 19 21 25 7 7 9 Excess benefits paid (36) (40) (40) — — — Effect of foreign currency translation and other, net (89) (203) (187) (31) (75) (71) Balance, at December 31, before AOCI adjustment 1,258 1,381 1,595 438 488 599 Add: AOCI adjustment — — — (14) (33) 56 Balance, at December 31, $ 1,258 $ 1,381 $ 1,595 $ 424 $ 455 $ 655 Weighted-average duration of the liability 16 years 17 years 18 years 42 years 42 years 41 years Weighted-average interest accretion rate 1.5 % 1.4 % 1.5 % 1.4 % 1.4 % 1.5 % Significant Methodologies and Assumptions The principal inputs used in the establishment of the additional insurance liability for the Asia segment’s variable life products include historical actual fees and benefits, in-force data, the locked-in discount rate, the stochastic fund return scenario assumption, and best estimate lapse and mortality assumptions. The stochastic fund return scenario assumption includes the long-term average return and volatility for each fund, and the correlation matrix for each fund. For newer products, the discount rate is determined based on the weighting and return of each fund. The principal inputs used in the establishment of the additional insurance liability for the Asia segment’s universal and variable universal life products include historical actual fees and benefits, in-force data, the locked-in discount rate, the stochastic fund return scenario assumption, and best estimate lapse and mortality assumptions. The stochastic fund return scenario assumption includes the foreign currency exchange long-term average trend, foreign currency exchange volatility, long-term U.S. swap and treasury yield, U.S. swap volatility and the correlation between foreign currency exchange and U.S. swap rates. The locked-in discount rate used for these products is based on the earned rate and foreign currency exchange rates at acquisition. MetLife Holdings The MetLife Holdings segment’s universal life and variable universal life products offer a contract feature where the Company guarantees to the contractholder a secondary guarantee or a guaranteed paid-up benefit. Information regarding these additional insurance liabilities was as follows: Years Ended December 31, 2023 2022 2021 Universal and Variable Universal L

Policyholder Account Balances

Policyholder Account Balances	12 Months Ended
	Dec. 31, 2023
Insurance [Abstract]
Policyholder Account Balances	5. Policyholder Account Balances The Company establishes liabilities for PABs, which are generally equal to the account value, and which includes accrued interest credited, but excludes the impact of any applicable charge that may be incurred upon surrender. The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The Company’s PABs on the consolidated balance sheets were as follows at: December 31, 2023 December 31, 2022 (In millions) Group Benefits - Group Life $ 7,692 $ 8,028 RIS: Capital Markets Investment Products and Stable Value GICs 64,140 63,723 Annuities and Risk Solutions 17,711 15,549 Asia: Universal and Variable Universal Life 49,739 46,417 Fixed Annuities 36,863 32,454 EMEA - Variable Annuities 2,720 2,802 MetLife Holdings: Annuities 11,537 13,286 Life and Other 11,641 12,402 Other 17,226 15,936 Total $ 219,269 $ 210,597 Rollforwards The following information about the direct and assumed liability for PABs includes year-to-date disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. Policy charges presented in each disaggregated rollforward reflect a premium and/or assessment based on the account balance. Group Benefits Group Life The Group Benefits segment’s group life PABs predominantly consist of retained asset accounts, universal life products, and the fixed account of variable life insurance products. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 8,028 $ 7,893 $ 7,586 Deposits 3,311 3,361 3,450 Policy charges (635) (612) (589) Surrenders and withdrawals (3,192) (2,744) (2,670) Benefit payments (12) (10) (9) Net transfers from (to) separate accounts — (2) (1) Interest credited 192 142 126 Balance at December 31, $ 7,692 $ 8,028 $ 7,893 Weighted-average annual crediting rate 2.5 % 1.8 % 1.6 % At period end: Cash surrender value $ 7,630 $ 7,974 $ 7,840 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 250,033 $ 244,638 $ 238,062 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Group Benefits segment’s group life product account values by range of guaranteed minimum crediting rates (“GMCR”) and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ 86 $ 863 $ 4,558 $ 5,507 Equal to or greater than 2% but less than 4% 1,196 9 62 2 1,269 Equal to or greater than 4% 727 1 43 34 805 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 111 Total $ 1,923 $ 96 $ 968 $ 4,594 $ 7,692 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ 973 $ 4,471 $ 236 $ 5,680 Equal to or greater than 2% but less than 4% 1,303 52 21 — 1,376 Equal to or greater than 4% 803 1 11 30 845 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 127 Total $ 2,106 $ 1,026 $ 4,503 $ 266 $ 8,028 December 31, 2021 Equal to or greater than 0% but less than 2% $ 5,229 $ 135 $ — $ 131 $ 5,495 Equal to or greater than 2% but less than 4% 1,374 50 23 — 1,447 Equal to or greater than 4% 793 — — 29 822 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 129 Total $ 7,396 $ 185 $ 23 $ 160 $ 7,893 RIS Capital Markets Investment Products and Stable Value GICs The RIS segment’s capital markets investment products and stable value GICs in PABs are investment-type products, mainly funding agreements. In addition, certain subsidiaries of the Company have entered into funding agreements with FHLBNY and a subsidiary of the Federal Agricultural Mortgage Corporation, a federally chartered instrumentality of the U.S. (“Farmer Mac”). The PAB balances for FHLBNY funding agreements were $14.6 billion and $14.9 billion at December 31, 2023 and 2022, respectively. These advances are collateralized by residential mortgage-backed securities (“RMBS”) with an estimated fair value of $17.8 billion and $17.9 billion at December 31, 2023 and 2022, respectively. The applicable subsidiary of the Company is permitted to withdraw any portion of the collateral in the custody of FHLBNY as long as there is no event of default and the remaining qualified collateral is sufficient to satisfy the collateral maintenance level. Upon any event of default by such subsidiary, FHLBNY’s recovery on the collateral is limited to the amount of such subsidiary’s liability to FHLBNY. The PAB balances for the Farmer Mac funding agreements were $2.1 billion at both December 31, 2023 and 2022. The obligations under the Farmer Mac funding agreements are secured by a pledge of certain eligible agricultural mortgage loans and may, under certain circumstances, be secured by other qualified collateral. The carrying value of such collateral was $2.2 billion and $2.1 billion at December 31, 2023 and 2022, respectively. Information regarding the RIS segment’s capital markets investment products and stable value GICs in PABs was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 63,723 $ 62,521 $ 62,908 Deposits 69,229 81,050 76,672 Surrenders and withdrawals (71,938) (80,382) (77,524) Interest credited 2,091 1,276 914 Effect of foreign currency translation and other, net 1,035 (742) (449) Balance at December 31, $ 64,140 $ 63,723 $ 62,521 Weighted-average annual crediting rate 3.3 % 2.0 % 1.5 % Cash surrender value at period end $ 2,126 $ 2,071 $ 1,882 The RIS segment’s capital markets investment products and stable value GICs account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 1 $ 2,621 $ 2,622 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 61,518 Total $ — $ — $ 1 $ 2,621 $ 64,140 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ — $ 1 $ 3,553 $ 3,554 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 60,169 Total $ — $ — $ 1 $ 3,553 $ 63,723 December 31, 2021 Equal to or greater than 0% but less than 2% $ — $ 632 $ 4,142 $ 10 $ 4,784 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 57,737 Total $ — $ 632 $ 4,142 $ 10 $ 62,521 Annuities and Risk Solutions The RIS segment’s annuities and risk solutions PABs include certain structured settlements and institutional income annuities, and benefit funding solutions that include postretirement benefits and company-, bank- or trust-owned life insurance used to finance nonqualified benefit programs for executives. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 15,549 $ 14,431 $ 13,643 Deposits 2,734 1,843 1,615 Policy charges (178) (153) (126) Surrenders and withdrawals (210) (120) (442) Benefit payments (812) (739) (704) Net transfers from (to) separate accounts 53 (26) 11 Interest credited 637 543 517 Other (62) (230) (83) Balance at December 31, $ 17,711 $ 15,549 $ 14,431 Weighted-average annual crediting rate 3.9 % 3.7 % 3.8 % At period end: Cash surrender value $ 7,912 $ 7,331 $ 6,559 Net amount at risk, excluding offsets from ceded reinsurance: In the event of death (1) $ 40,397 $ 40,607 $ 38,066 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The RIS segment’s annuities and risk solutions account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 20 $ 1,651 $ 1,671 Equal to or greater than 2% but less than 4% 249 34 105 432 820 Equal to or greater than 4% 4,346 — 282 5 4,633 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 10,587 Total $ 4,595 $ 34 $ 407 $ 2,088 $ 17,711 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ — $ 64 $ 1,232 $ 1,296 Equal to or greater than 2% but less than 4% 301 39 124 375 839 Equal to or greater than 4% 4,446 122 63 4 4,635 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 8,779 Total $ 4,747 $ 161 $ 251 $ 1,611 $ 15,549 December 31, 2021 Equal to or greater than 0% but less than 2% $ — $ — $ 115 $ 490 $ 605 Equal to or greater than 2% but less than 4% 258 36 125 469 888 Equal to or greater than 4% 4,435 126 54 5 4,620 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 8,318 Total $ 4,693 $ 162 $ 294 $ 964 $ 14,431 Asia Universal and Variable Universal Life The Asia segment’s universal and variable universal life PABs in Japan primarily include interest sensitive whole life products. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 46,417 $ 46,590 $ 43,868 Deposits 7,595 5,673 6,487 Policy charges (1,210) (1,103) (1,178) Surrenders and withdrawals (2,959) (2,993) (1,265) Benefit payments (508) (502) (514) Interest credited 1,408 1,066 1,199 Effect of foreign currency translation and other, net (1,004) (2,314) (2,007) Balance at December 31, $ 49,739 $ 46,417 $ 46,590 Weighted-average annual crediting rate 3.0 % 2.3 % 2.7 % At period end: Cash surrender value $ 42,577 $ 39,737 $ 43,329 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 93,172 $ 95,412 $ 104,551 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Asia segment’s universal and variable universal life account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 10,640 $ 24 $ 231 $ 1,001 $ 11,896 Equal to or greater than 2% but less than 4% 5,932 15,634 7,801 7,669 37,036 Equal to or greater than 4% 250 — — — 250 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 557 Total $ 16,822 $ 15,658 $ 8,032 $ 8,670 $ 49,739 December 31, 2022 Equal to or greater than 0% but less than 2% $ 10,965 $ 76 $ 138 $ 75 $ 11,254 Equal to or greater than 2% but less than 4% 21,184 2,847 5,583 4,846 34,460 Equal to or greater than 4% 265 — — — 265 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 438 Total $ 32,414 $ 2,923 $ 5,721 $ 4,921 $ 46,417 December 31, 2021 Equal to or greater than 0% but less than 2% $ 11,754 $ 152 $ — $ — $ 11,906 Equal to or greater than 2% but less than 4% 21,672 2,625 5,160 4,517 33,974 Equal to or greater than 4% 282 — — — 282 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 428 Total $ 33,708 $ 2,777 $ 5,160 $ 4,517 $ 46,590 Fixed Annuities Information regarding the Asia segment’s fixed annuity PABs in Japan was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 32,454 $ 30,976 $ 31,422 Deposits 8,115 7,813 3,681 Policy charges (2) (2) (3) Surrenders and withdrawals (2,344) (4,024) (1,260) Benefit payments (2,156) (2,014) (2,500) Interest credited 866 623 617 Effect of foreign currency translation and other, net (70) (918) (981) Balance at December 31, $ 36,863 $ 32,454 $ 30,976 Weighted-average annual crediting rate 2.5 % 2.0 % 2.0 % At period end: Cash surrender value $ 31,936 $ 27,902 $ 29,835 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 73 $ 1 $ 64 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Asia segment’s fixed annuities account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 322 $ 584 $ 6,274 $ 28,343 $ 35,523 Equal to or greater than 2% but less than 4% — 5 — — 5 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,335 Total $ 322 $ 589 $ 6,274 $ 28,343 $ 36,863 December 31, 2022 Equal to or greater than 0% but less than 2% $ 438 $ 664 $ 7,160 $ 22,755 $ 31,017 Equal to or greater than 2% but less than 4% — 6 — — 6 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,431 Total $ 438 $ 670 $ 7,160 $ 22,755 $ 32,454 December 31, 2021 Equal to or greater than 0% but less than 2% $ 264 $ 1,153 $ 8,100 $ 19,817 $ 29,334 Equal to or greater than 2% but less than 4% 8 — — — 8 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,634 Total $ 272 $ 1,153 $ 8,100 $ 19,817 $ 30,976 EMEA Variable Annuities Information regarding the EMEA segment’s variable annuity PABs in the United Kingdom (“U.K.”) was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 2,802 $ 4,215 $ 4,779 Deposits 4 5 8 Policy charges (63) (73) (95) Surrenders and withdrawals (285) (313) (483) Benefit payments (125) (137) (157) Interest credited (1) 228 (465) 208 Effect of foreign currency translation and other, net 159 (430) (45) Balance at December 31, $ 2,720 $ 2,802 $ 4,215 Weighted-average annual crediting rate 8.6 % (12.4) % 4.7 % At period end: Cash surrender value $ 2,720 $ 2,802 $ 4,215 Net amount at risk, excluding offsets from reinsurance: In the event of death (2) $ 456 $ 557 $ 182 At annuitization or exercise of other living benefits (3) $ 585 $ 699 $ 257 __________________ (1) Interest credited on EMEA’s variable annuity products represents gains or losses which are passed through to the policyholder based on the underlying unit-linked investment fund returns, which may be positive or negative depending on market conditions. There are no GMCR on these products. (2) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (3) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. MetLife Holdings Annuities The MetLife Holdings segment’s annuity PABs primarily includes fixed deferred annuities, the fixed account portion of variable annuities, certain income annuities, and embedded derivatives related to equity-indexed annuities. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 13,286 $ 14,398 $ 15,234 Deposits 176 233 284 Policy charges (15) (16) (16) Surrenders and withdrawals (1,981) (1,494) (1,380) Benefit payments (420) (415) (413) Net transfers from (to) separate accounts 72 198 237 Interest credited 396 406 425 Other 23 (24) 27 Balance at December 31, $ 11,537 $ 13,286 $ 14,398 Weighted-average annual crediting rate 3.3 % 3.0 % 3.0 % At period end: Cash surrender value $ 10,904 $ 12,373 $ 13,256 Net amount at risk, excluding offsets from ceded reinsurance (1): In the event of death (2) $ 2,821 $ 4,354 $ 1,119 At annuitization or exercise of other living benefits (3) $ 688 $ 960 $ 581 __________________ (1) Includes amounts for certain variable annuities recorded as PABs with the related guarantees recorded as MRBs which are disclosed in “MetLife Holdings – Annuities” in Note 6. (2) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (3) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. The MetLife Holdings segment’s annuities account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or greater than 0.50% but less than 1.50% Equal to or greater than 1.50% above GMCR Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 36 $ 307 $ 378 $ 252 $ 973 Equal to or greater than 2% but less than 4% 1,033 7,205 459 202 8,899 Equal to or greater than 4% 788 411 32 — 1,231 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 434 Total $ 1,857 $ 7,923 $ 869 $ 454 $ 11,537 December 31, 2022 Equal to or greater than 0% but less than 2% $ 934 $ 4 $ 8 $ 16 $ 962 Equal to or greater than 2% but less than 4% 9,388 892 191 12 10,483 Equal to or greater than 4% 1,261 43 5 — 1,309 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 532 Total $ 11,583 $ 939 $ 204 $ 28 $ 13,286 December 31, 2021 Equal to or greater than 0% but less than 2% $ 1,066 $ 7 $ 14 $ 11 $ 1,098 Equal to or greater than 2% but less than 4% 10,679 299 197 1 11,176 Equal to or greater than 4% 1,307 40 5 — 1,352 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 772 Total $ 13,052 $ 346 $ 216 $ 12 $ 14,398 Life and Other The MetLife Holdings segment’s life and other PABs include retained asset accounts, universal life products, the fixed account of variable life insurance products and funding agreements. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 12,402 $ 12,699 $ 12,856 Deposits 783 895 1,172 Policy charges (702) (718) (731) Surrenders and withdrawals (1,171) (785) (887) Benefit payments (152) (183) (213) Net transfers from (to) separate accounts 35 29 32 Interest credited 445 460 470 Other 1 5 — Balance at December 31, $ 11,641 $ 12,402 $ 12,699 Weighted-average annual crediting rate 3.8 % 3.7 % 3.8 % At period end: Cash surrender value $ 11,177 $ 11,882 $ 12,170 Net amount at risk, excluding offsets from ceded reinsurance: In the event of death (1), (2) $ 67,786 $ 71,548 $ 73,840 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (2) Taking into consideration reinsurance, the net amount at risk at December 31, 2023, 2022 and 2021 as presented in the above table, would be reduced by 99%, 65%, and 66%, respectively. The MetLife Holdings segment’s life and other products account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or greater than 0.50% but less than 1.50% Equal to or greater than 1.50% above GMCR Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 16 $ 55 $ 71 Equal to or greater than 2% but less than 4% 4,453 171 280 549 5,453 Equal to or greater than 4% 5,066 124 413 13 5,616 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 9,519 $ 295 $ 709 $ 617 $ 11,641 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ 20 $ 50 $ 5 $ 75 Equal to or greater than 2% but less than 4% 5,025 144 441 410 6,020 Equal to or greater than 4% 5,253 128 420 5 5,806 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 10,278 $ 292 $ 911 $ 420 $ 12,402 December 31, 2021 Equal to or greater than 0% but less than 2% $ 26 $ 8 $ — $ — $ 34 Equal to or greater than 2% but less than 4% 5,122 145 313 571 6,151 Equal to or greater than 4% 5,448 132 427 6 6,013 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 10,596 $ 285 $ 740 $ 577 $ 12,699 6. Market Risk Benefits The Company establishes liabilities for certain retirement assurance and variable annuity contract features which include a minimum benefit guarantee that provides to the contractholder a minimum return based on their initial deposit less withdrawals. In some cases, the benefit base may be increased by additional deposits, bonus amounts, accruals or optional market value resets. The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The Company’s MRB assets and MRB liabilities on the consolidated balance sheets were as follows at: December 31, 2023 2022 Asset Liability Net Asset Liability Net (In millions) Asia - Retirement Assurance $ — $ 203 $ 203 $ — $ 226 $ 226 MetLife Holdings - Annuities 156 2,878 2,722 153 3,378 3,225 Other 130 98 (32) 127 159 32 Total $ 286 $ 3,179 $ 2,893 $ 280 $ 3,763 $ 3,483 Rollforwards The following information about the direct and assumed liability for MRBs includes disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. Asia - Retirement Assurance The Asia segment’s retirement assurance product in Japan offers a contract feature where the Company guarantees the greater of the account value or a return of premium accumulated at a guaranteed rate upon maturity. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 226 $ 277 $ 318 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 233 $ 284 $ 326 Attributed fees collected 3 3 4 Benefit payments (12) — (7) Effect of changes in interest rates 1 (25) (6) Effect of changes in equity index volatility — — (3) Actual policyholder behavior different from expected behavior (1) 6 (16) Effect of changes in future expected policyholder behavior and other assumptions (1) 5 — Effect of foreign currency translation and other, net (18) (40) (14) Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 205 233 284 Cumulative effect of changes in the instrument-specific credit risk (2) (8) (8) Effect of foreign currency translation on the cumulative instrument-specific credit risk — 1 1 Balance at December 31, $ 203 $ 226 $ 277 At period end: Net amount at risk, excluding offsets from hedging: At annuitization or exercise of other living benefits (1) $ 119 $ 127 $ 119 Weighted-average attained age of contractholders: At annuitization or exercise of other living benefits (1) 58 years 58 years 57 years __________________ (1) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. Significant Methodologies and Assumptions The Company issues certain retirement assurance products with guarantees that meet the definition of MRBs, which are measured, in aggregate, as one compound MRB, at estimated fair value, with changes in estimated fair value reported in net income, except for changes in nonperformance risk of the Company which are recorded in OCI. The Company calculates the fair value of these MRBs, which is estimated as the present value of projected future benefits minus the present value of projected attributed fees, using actuarial and capital market assumptions including expectations concerning policyholder behavior. The calculation is based on in-force business, projecting future cash flows from the MRB over multiple risk neutral stochastic scenarios using observable risk-free rates. Capital market assumptions, such as risk-free rates and implied volatilities, are based on market prices for publicly traded instruments to the extent that prices for such instruments are observable. Implied volatilities beyond the observable period are extrapolated based on observable implied volatilities and historical volatilities. Actuarial assumptions, including mortality, lapse, withdrawal and utilization, are unobservable and are reviewed at least annually based on actuarial studies of historical experience. See Note 13 for additional information on significant unobservable inputs. The valuation of these MRBs includes a nonperformance risk adjustment and adjustments for a risk margin related to non-capital market inputs. The nonperformance adjustment is determined by taking into consideration publicly available information relating to spreads in the secondary market for MetLife, Inc.’s debt, including related credit default swaps. These observable spreads are then adjusted, as necessary, to reflect the priority of these liabilities and the claims paying ability of the issuing insurance subsidiaries as compared to MetLife, Inc. Risk margins are established to capture the non-capital market risks of the instrument which represent the additional compensation a market participant would require to assume the risks related to the uncertainties of such actuarial assumptions at annuitization, premium persistency, partial withdrawal and surrenders. The establishment of risk margins requires the use of significant management judgment, including assumptions of the amount and cost of capital needed to cover the guarantees. These guarantees may be more costly than expected in volatile or declining equity markets. Market conditions including, changes in interest rates, equity indices, market volatility and foreign currency exchange rates; and variations in actuarial assumptions regarding policyholder behavior, mortality and risk margins related to non-capital market inputs, impact the estimated fair value of the guarantees and affect net income, and changes in nonperformance risk of the Company affect OCI. MetLife Holdings - Annuities The MetLife Holdings segment’s variable annuity products offer contract features where the Company guarantees to the contractholder a minimum benefit, which includes guaranteed minimum death benefits (“GMDBs”) and living benefit guarantees. The GMDB contract features include return of premium, which provides a return of the purchase payment upon death, annual step-up and roll-up and step-up combinations. The living benefit guarantees contract features primarily include guaranteed minimum income benefits (“GMIBs”), which provide a minimum accumulation of purchase payments that can be annuitized to receive a monthly income stream, and guaranteed minimum withdrawal benefits (“GMWBs”), which provide a series of withdrawals, provided that withdrawals in a contract year do not exceed a contractual limit. This segment also includes an in-force block of assumed variable annuity guarantees from a third party. Information regarding MetLife Holdings annuity products (including assumed reinsurance) was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 3,225 $ 5,929 $ 7,001 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 3,360 $ 6,229 $ 7,055 Attributed fees collected 377 387 413 Benefit payments (58) (42) (41) Effect of changes in interest rates (161) (3,610) (536) Effect of changes in capital markets (900) 861 (1,163) Effect of changes in equity index volatility (135) 38 25 Actual policyholder behavior different from expected behavior 144 20 (92) Effect of changes in future expected policyholder behavior and other as

Market Risk Benefits

Market Risk Benefits	12 Months Ended
	Dec. 31, 2023
Insurance [Abstract]
Market Risk Benefits	5. Policyholder Account Balances The Company establishes liabilities for PABs, which are generally equal to the account value, and which includes accrued interest credited, but excludes the impact of any applicable charge that may be incurred upon surrender. The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The Company’s PABs on the consolidated balance sheets were as follows at: December 31, 2023 December 31, 2022 (In millions) Group Benefits - Group Life $ 7,692 $ 8,028 RIS: Capital Markets Investment Products and Stable Value GICs 64,140 63,723 Annuities and Risk Solutions 17,711 15,549 Asia: Universal and Variable Universal Life 49,739 46,417 Fixed Annuities 36,863 32,454 EMEA - Variable Annuities 2,720 2,802 MetLife Holdings: Annuities 11,537 13,286 Life and Other 11,641 12,402 Other 17,226 15,936 Total $ 219,269 $ 210,597 Rollforwards The following information about the direct and assumed liability for PABs includes year-to-date disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. Policy charges presented in each disaggregated rollforward reflect a premium and/or assessment based on the account balance. Group Benefits Group Life The Group Benefits segment’s group life PABs predominantly consist of retained asset accounts, universal life products, and the fixed account of variable life insurance products. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 8,028 $ 7,893 $ 7,586 Deposits 3,311 3,361 3,450 Policy charges (635) (612) (589) Surrenders and withdrawals (3,192) (2,744) (2,670) Benefit payments (12) (10) (9) Net transfers from (to) separate accounts — (2) (1) Interest credited 192 142 126 Balance at December 31, $ 7,692 $ 8,028 $ 7,893 Weighted-average annual crediting rate 2.5 % 1.8 % 1.6 % At period end: Cash surrender value $ 7,630 $ 7,974 $ 7,840 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 250,033 $ 244,638 $ 238,062 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Group Benefits segment’s group life product account values by range of guaranteed minimum crediting rates (“GMCR”) and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ 86 $ 863 $ 4,558 $ 5,507 Equal to or greater than 2% but less than 4% 1,196 9 62 2 1,269 Equal to or greater than 4% 727 1 43 34 805 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 111 Total $ 1,923 $ 96 $ 968 $ 4,594 $ 7,692 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ 973 $ 4,471 $ 236 $ 5,680 Equal to or greater than 2% but less than 4% 1,303 52 21 — 1,376 Equal to or greater than 4% 803 1 11 30 845 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 127 Total $ 2,106 $ 1,026 $ 4,503 $ 266 $ 8,028 December 31, 2021 Equal to or greater than 0% but less than 2% $ 5,229 $ 135 $ — $ 131 $ 5,495 Equal to or greater than 2% but less than 4% 1,374 50 23 — 1,447 Equal to or greater than 4% 793 — — 29 822 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 129 Total $ 7,396 $ 185 $ 23 $ 160 $ 7,893 RIS Capital Markets Investment Products and Stable Value GICs The RIS segment’s capital markets investment products and stable value GICs in PABs are investment-type products, mainly funding agreements. In addition, certain subsidiaries of the Company have entered into funding agreements with FHLBNY and a subsidiary of the Federal Agricultural Mortgage Corporation, a federally chartered instrumentality of the U.S. (“Farmer Mac”). The PAB balances for FHLBNY funding agreements were $14.6 billion and $14.9 billion at December 31, 2023 and 2022, respectively. These advances are collateralized by residential mortgage-backed securities (“RMBS”) with an estimated fair value of $17.8 billion and $17.9 billion at December 31, 2023 and 2022, respectively. The applicable subsidiary of the Company is permitted to withdraw any portion of the collateral in the custody of FHLBNY as long as there is no event of default and the remaining qualified collateral is sufficient to satisfy the collateral maintenance level. Upon any event of default by such subsidiary, FHLBNY’s recovery on the collateral is limited to the amount of such subsidiary’s liability to FHLBNY. The PAB balances for the Farmer Mac funding agreements were $2.1 billion at both December 31, 2023 and 2022. The obligations under the Farmer Mac funding agreements are secured by a pledge of certain eligible agricultural mortgage loans and may, under certain circumstances, be secured by other qualified collateral. The carrying value of such collateral was $2.2 billion and $2.1 billion at December 31, 2023 and 2022, respectively. Information regarding the RIS segment’s capital markets investment products and stable value GICs in PABs was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 63,723 $ 62,521 $ 62,908 Deposits 69,229 81,050 76,672 Surrenders and withdrawals (71,938) (80,382) (77,524) Interest credited 2,091 1,276 914 Effect of foreign currency translation and other, net 1,035 (742) (449) Balance at December 31, $ 64,140 $ 63,723 $ 62,521 Weighted-average annual crediting rate 3.3 % 2.0 % 1.5 % Cash surrender value at period end $ 2,126 $ 2,071 $ 1,882 The RIS segment’s capital markets investment products and stable value GICs account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 1 $ 2,621 $ 2,622 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 61,518 Total $ — $ — $ 1 $ 2,621 $ 64,140 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ — $ 1 $ 3,553 $ 3,554 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 60,169 Total $ — $ — $ 1 $ 3,553 $ 63,723 December 31, 2021 Equal to or greater than 0% but less than 2% $ — $ 632 $ 4,142 $ 10 $ 4,784 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 57,737 Total $ — $ 632 $ 4,142 $ 10 $ 62,521 Annuities and Risk Solutions The RIS segment’s annuities and risk solutions PABs include certain structured settlements and institutional income annuities, and benefit funding solutions that include postretirement benefits and company-, bank- or trust-owned life insurance used to finance nonqualified benefit programs for executives. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 15,549 $ 14,431 $ 13,643 Deposits 2,734 1,843 1,615 Policy charges (178) (153) (126) Surrenders and withdrawals (210) (120) (442) Benefit payments (812) (739) (704) Net transfers from (to) separate accounts 53 (26) 11 Interest credited 637 543 517 Other (62) (230) (83) Balance at December 31, $ 17,711 $ 15,549 $ 14,431 Weighted-average annual crediting rate 3.9 % 3.7 % 3.8 % At period end: Cash surrender value $ 7,912 $ 7,331 $ 6,559 Net amount at risk, excluding offsets from ceded reinsurance: In the event of death (1) $ 40,397 $ 40,607 $ 38,066 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The RIS segment’s annuities and risk solutions account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 20 $ 1,651 $ 1,671 Equal to or greater than 2% but less than 4% 249 34 105 432 820 Equal to or greater than 4% 4,346 — 282 5 4,633 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 10,587 Total $ 4,595 $ 34 $ 407 $ 2,088 $ 17,711 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ — $ 64 $ 1,232 $ 1,296 Equal to or greater than 2% but less than 4% 301 39 124 375 839 Equal to or greater than 4% 4,446 122 63 4 4,635 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 8,779 Total $ 4,747 $ 161 $ 251 $ 1,611 $ 15,549 December 31, 2021 Equal to or greater than 0% but less than 2% $ — $ — $ 115 $ 490 $ 605 Equal to or greater than 2% but less than 4% 258 36 125 469 888 Equal to or greater than 4% 4,435 126 54 5 4,620 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 8,318 Total $ 4,693 $ 162 $ 294 $ 964 $ 14,431 Asia Universal and Variable Universal Life The Asia segment’s universal and variable universal life PABs in Japan primarily include interest sensitive whole life products. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 46,417 $ 46,590 $ 43,868 Deposits 7,595 5,673 6,487 Policy charges (1,210) (1,103) (1,178) Surrenders and withdrawals (2,959) (2,993) (1,265) Benefit payments (508) (502) (514) Interest credited 1,408 1,066 1,199 Effect of foreign currency translation and other, net (1,004) (2,314) (2,007) Balance at December 31, $ 49,739 $ 46,417 $ 46,590 Weighted-average annual crediting rate 3.0 % 2.3 % 2.7 % At period end: Cash surrender value $ 42,577 $ 39,737 $ 43,329 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 93,172 $ 95,412 $ 104,551 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Asia segment’s universal and variable universal life account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 10,640 $ 24 $ 231 $ 1,001 $ 11,896 Equal to or greater than 2% but less than 4% 5,932 15,634 7,801 7,669 37,036 Equal to or greater than 4% 250 — — — 250 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 557 Total $ 16,822 $ 15,658 $ 8,032 $ 8,670 $ 49,739 December 31, 2022 Equal to or greater than 0% but less than 2% $ 10,965 $ 76 $ 138 $ 75 $ 11,254 Equal to or greater than 2% but less than 4% 21,184 2,847 5,583 4,846 34,460 Equal to or greater than 4% 265 — — — 265 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 438 Total $ 32,414 $ 2,923 $ 5,721 $ 4,921 $ 46,417 December 31, 2021 Equal to or greater than 0% but less than 2% $ 11,754 $ 152 $ — $ — $ 11,906 Equal to or greater than 2% but less than 4% 21,672 2,625 5,160 4,517 33,974 Equal to or greater than 4% 282 — — — 282 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 428 Total $ 33,708 $ 2,777 $ 5,160 $ 4,517 $ 46,590 Fixed Annuities Information regarding the Asia segment’s fixed annuity PABs in Japan was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 32,454 $ 30,976 $ 31,422 Deposits 8,115 7,813 3,681 Policy charges (2) (2) (3) Surrenders and withdrawals (2,344) (4,024) (1,260) Benefit payments (2,156) (2,014) (2,500) Interest credited 866 623 617 Effect of foreign currency translation and other, net (70) (918) (981) Balance at December 31, $ 36,863 $ 32,454 $ 30,976 Weighted-average annual crediting rate 2.5 % 2.0 % 2.0 % At period end: Cash surrender value $ 31,936 $ 27,902 $ 29,835 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 73 $ 1 $ 64 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Asia segment’s fixed annuities account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 322 $ 584 $ 6,274 $ 28,343 $ 35,523 Equal to or greater than 2% but less than 4% — 5 — — 5 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,335 Total $ 322 $ 589 $ 6,274 $ 28,343 $ 36,863 December 31, 2022 Equal to or greater than 0% but less than 2% $ 438 $ 664 $ 7,160 $ 22,755 $ 31,017 Equal to or greater than 2% but less than 4% — 6 — — 6 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,431 Total $ 438 $ 670 $ 7,160 $ 22,755 $ 32,454 December 31, 2021 Equal to or greater than 0% but less than 2% $ 264 $ 1,153 $ 8,100 $ 19,817 $ 29,334 Equal to or greater than 2% but less than 4% 8 — — — 8 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,634 Total $ 272 $ 1,153 $ 8,100 $ 19,817 $ 30,976 EMEA Variable Annuities Information regarding the EMEA segment’s variable annuity PABs in the United Kingdom (“U.K.”) was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 2,802 $ 4,215 $ 4,779 Deposits 4 5 8 Policy charges (63) (73) (95) Surrenders and withdrawals (285) (313) (483) Benefit payments (125) (137) (157) Interest credited (1) 228 (465) 208 Effect of foreign currency translation and other, net 159 (430) (45) Balance at December 31, $ 2,720 $ 2,802 $ 4,215 Weighted-average annual crediting rate 8.6 % (12.4) % 4.7 % At period end: Cash surrender value $ 2,720 $ 2,802 $ 4,215 Net amount at risk, excluding offsets from reinsurance: In the event of death (2) $ 456 $ 557 $ 182 At annuitization or exercise of other living benefits (3) $ 585 $ 699 $ 257 __________________ (1) Interest credited on EMEA’s variable annuity products represents gains or losses which are passed through to the policyholder based on the underlying unit-linked investment fund returns, which may be positive or negative depending on market conditions. There are no GMCR on these products. (2) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (3) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. MetLife Holdings Annuities The MetLife Holdings segment’s annuity PABs primarily includes fixed deferred annuities, the fixed account portion of variable annuities, certain income annuities, and embedded derivatives related to equity-indexed annuities. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 13,286 $ 14,398 $ 15,234 Deposits 176 233 284 Policy charges (15) (16) (16) Surrenders and withdrawals (1,981) (1,494) (1,380) Benefit payments (420) (415) (413) Net transfers from (to) separate accounts 72 198 237 Interest credited 396 406 425 Other 23 (24) 27 Balance at December 31, $ 11,537 $ 13,286 $ 14,398 Weighted-average annual crediting rate 3.3 % 3.0 % 3.0 % At period end: Cash surrender value $ 10,904 $ 12,373 $ 13,256 Net amount at risk, excluding offsets from ceded reinsurance (1): In the event of death (2) $ 2,821 $ 4,354 $ 1,119 At annuitization or exercise of other living benefits (3) $ 688 $ 960 $ 581 __________________ (1) Includes amounts for certain variable annuities recorded as PABs with the related guarantees recorded as MRBs which are disclosed in “MetLife Holdings – Annuities” in Note 6. (2) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (3) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. The MetLife Holdings segment’s annuities account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or greater than 0.50% but less than 1.50% Equal to or greater than 1.50% above GMCR Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 36 $ 307 $ 378 $ 252 $ 973 Equal to or greater than 2% but less than 4% 1,033 7,205 459 202 8,899 Equal to or greater than 4% 788 411 32 — 1,231 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 434 Total $ 1,857 $ 7,923 $ 869 $ 454 $ 11,537 December 31, 2022 Equal to or greater than 0% but less than 2% $ 934 $ 4 $ 8 $ 16 $ 962 Equal to or greater than 2% but less than 4% 9,388 892 191 12 10,483 Equal to or greater than 4% 1,261 43 5 — 1,309 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 532 Total $ 11,583 $ 939 $ 204 $ 28 $ 13,286 December 31, 2021 Equal to or greater than 0% but less than 2% $ 1,066 $ 7 $ 14 $ 11 $ 1,098 Equal to or greater than 2% but less than 4% 10,679 299 197 1 11,176 Equal to or greater than 4% 1,307 40 5 — 1,352 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 772 Total $ 13,052 $ 346 $ 216 $ 12 $ 14,398 Life and Other The MetLife Holdings segment’s life and other PABs include retained asset accounts, universal life products, the fixed account of variable life insurance products and funding agreements. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 12,402 $ 12,699 $ 12,856 Deposits 783 895 1,172 Policy charges (702) (718) (731) Surrenders and withdrawals (1,171) (785) (887) Benefit payments (152) (183) (213) Net transfers from (to) separate accounts 35 29 32 Interest credited 445 460 470 Other 1 5 — Balance at December 31, $ 11,641 $ 12,402 $ 12,699 Weighted-average annual crediting rate 3.8 % 3.7 % 3.8 % At period end: Cash surrender value $ 11,177 $ 11,882 $ 12,170 Net amount at risk, excluding offsets from ceded reinsurance: In the event of death (1), (2) $ 67,786 $ 71,548 $ 73,840 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (2) Taking into consideration reinsurance, the net amount at risk at December 31, 2023, 2022 and 2021 as presented in the above table, would be reduced by 99%, 65%, and 66%, respectively. The MetLife Holdings segment’s life and other products account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or greater than 0.50% but less than 1.50% Equal to or greater than 1.50% above GMCR Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 16 $ 55 $ 71 Equal to or greater than 2% but less than 4% 4,453 171 280 549 5,453 Equal to or greater than 4% 5,066 124 413 13 5,616 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 9,519 $ 295 $ 709 $ 617 $ 11,641 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ 20 $ 50 $ 5 $ 75 Equal to or greater than 2% but less than 4% 5,025 144 441 410 6,020 Equal to or greater than 4% 5,253 128 420 5 5,806 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 10,278 $ 292 $ 911 $ 420 $ 12,402 December 31, 2021 Equal to or greater than 0% but less than 2% $ 26 $ 8 $ — $ — $ 34 Equal to or greater than 2% but less than 4% 5,122 145 313 571 6,151 Equal to or greater than 4% 5,448 132 427 6 6,013 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 10,596 $ 285 $ 740 $ 577 $ 12,699 6. Market Risk Benefits The Company establishes liabilities for certain retirement assurance and variable annuity contract features which include a minimum benefit guarantee that provides to the contractholder a minimum return based on their initial deposit less withdrawals. In some cases, the benefit base may be increased by additional deposits, bonus amounts, accruals or optional market value resets. The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The Company’s MRB assets and MRB liabilities on the consolidated balance sheets were as follows at: December 31, 2023 2022 Asset Liability Net Asset Liability Net (In millions) Asia - Retirement Assurance $ — $ 203 $ 203 $ — $ 226 $ 226 MetLife Holdings - Annuities 156 2,878 2,722 153 3,378 3,225 Other 130 98 (32) 127 159 32 Total $ 286 $ 3,179 $ 2,893 $ 280 $ 3,763 $ 3,483 Rollforwards The following information about the direct and assumed liability for MRBs includes disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. Asia - Retirement Assurance The Asia segment’s retirement assurance product in Japan offers a contract feature where the Company guarantees the greater of the account value or a return of premium accumulated at a guaranteed rate upon maturity. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 226 $ 277 $ 318 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 233 $ 284 $ 326 Attributed fees collected 3 3 4 Benefit payments (12) — (7) Effect of changes in interest rates 1 (25) (6) Effect of changes in equity index volatility — — (3) Actual policyholder behavior different from expected behavior (1) 6 (16) Effect of changes in future expected policyholder behavior and other assumptions (1) 5 — Effect of foreign currency translation and other, net (18) (40) (14) Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 205 233 284 Cumulative effect of changes in the instrument-specific credit risk (2) (8) (8) Effect of foreign currency translation on the cumulative instrument-specific credit risk — 1 1 Balance at December 31, $ 203 $ 226 $ 277 At period end: Net amount at risk, excluding offsets from hedging: At annuitization or exercise of other living benefits (1) $ 119 $ 127 $ 119 Weighted-average attained age of contractholders: At annuitization or exercise of other living benefits (1) 58 years 58 years 57 years __________________ (1) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. Significant Methodologies and Assumptions The Company issues certain retirement assurance products with guarantees that meet the definition of MRBs, which are measured, in aggregate, as one compound MRB, at estimated fair value, with changes in estimated fair value reported in net income, except for changes in nonperformance risk of the Company which are recorded in OCI. The Company calculates the fair value of these MRBs, which is estimated as the present value of projected future benefits minus the present value of projected attributed fees, using actuarial and capital market assumptions including expectations concerning policyholder behavior. The calculation is based on in-force business, projecting future cash flows from the MRB over multiple risk neutral stochastic scenarios using observable risk-free rates. Capital market assumptions, such as risk-free rates and implied volatilities, are based on market prices for publicly traded instruments to the extent that prices for such instruments are observable. Implied volatilities beyond the observable period are extrapolated based on observable implied volatilities and historical volatilities. Actuarial assumptions, including mortality, lapse, withdrawal and utilization, are unobservable and are reviewed at least annually based on actuarial studies of historical experience. See Note 13 for additional information on significant unobservable inputs. The valuation of these MRBs includes a nonperformance risk adjustment and adjustments for a risk margin related to non-capital market inputs. The nonperformance adjustment is determined by taking into consideration publicly available information relating to spreads in the secondary market for MetLife, Inc.’s debt, including related credit default swaps. These observable spreads are then adjusted, as necessary, to reflect the priority of these liabilities and the claims paying ability of the issuing insurance subsidiaries as compared to MetLife, Inc. Risk margins are established to capture the non-capital market risks of the instrument which represent the additional compensation a market participant would require to assume the risks related to the uncertainties of such actuarial assumptions at annuitization, premium persistency, partial withdrawal and surrenders. The establishment of risk margins requires the use of significant management judgment, including assumptions of the amount and cost of capital needed to cover the guarantees. These guarantees may be more costly than expected in volatile or declining equity markets. Market conditions including, changes in interest rates, equity indices, market volatility and foreign currency exchange rates; and variations in actuarial assumptions regarding policyholder behavior, mortality and risk margins related to non-capital market inputs, impact the estimated fair value of the guarantees and affect net income, and changes in nonperformance risk of the Company affect OCI. MetLife Holdings - Annuities The MetLife Holdings segment’s variable annuity products offer contract features where the Company guarantees to the contractholder a minimum benefit, which includes guaranteed minimum death benefits (“GMDBs”) and living benefit guarantees. The GMDB contract features include return of premium, which provides a return of the purchase payment upon death, annual step-up and roll-up and step-up combinations. The living benefit guarantees contract features primarily include guaranteed minimum income benefits (“GMIBs”), which provide a minimum accumulation of purchase payments that can be annuitized to receive a monthly income stream, and guaranteed minimum withdrawal benefits (“GMWBs”), which provide a series of withdrawals, provided that withdrawals in a contract year do not exceed a contractual limit. This segment also includes an in-force block of assumed variable annuity guarantees from a third party. Information regarding MetLife Holdings annuity products (including assumed reinsurance) was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 3,225 $ 5,929 $ 7,001 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 3,360 $ 6,229 $ 7,055 Attributed fees collected 377 387 413 Benefit payments (58) (42) (41) Effect of changes in interest rates (161) (3,610) (536) Effect of changes in capital markets (900) 861 (1,163) Effect of changes in equity index volatility (135) 38 25 Actual policyholder behavior different from expected behavior 144 20 (92) Effect of changes in future expected policyholder behavior and other as

Separate Account

Separate Account	12 Months Ended
	Dec. 31, 2023
Separate Accounts Disclosure [Abstract]
Separate Account	7. Separate Accounts Separate account assets consist of investment accounts established and maintained by the Company. The investment objectives of these assets are directed by the contractholder. An equivalent amount is reported as separate account liabilities. These accounts are reported separately from the general account assets and liabilities. Separate account assets and liabilities include two categories of account types: pass-through separate accounts totaling $115.6 billion and $108.9 billion at December 31, 2023 and 2022, respectively, for which the contractholder assumes all investment risk, and separate accounts for which the Company contractually guarantees either a minimum return or account value to the contractholder which totaled $29.0 billion and $37.1 billion at December 31, 2023 and 2022, respectively. The latter category consisted primarily of GICs. The average interest rate credited on these contracts was 2.6% and 2.5% at December 31, 2023 and 2022, respectively. Separate Account Liabilities The Company’s separate account liabilities on the consolidated balance sheets were as follows at: December 31, 2023 December 31, 2022 (In millions) RIS: Stable Value and Risk Solutions $ 41,343 $ 48,265 Annuities 11,659 11,694 Latin America - Pensions 41,320 39,428 MetLife Holdings - Annuities 29,224 28,499 Other 21,088 18,152 Total $ 144,634 $ 146,038 Rollforwards The following information about the separate account liabilities includes disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. The separate account liabilities are primarily comprised of the following: RIS stable value and risk solutions contracts, RIS annuities participating and non-participating group contracts, Latin America savings-oriented pension product in Chile under a mandatory privatized social security system, and MetLife Holdings variable annuities. The balances of and changes in separate account liabilities were as follows: RIS Stable Value and Risk Solutions RIS Annuities Latin America MetLife Holdings (In millions) Balance, January 1, 2021 $ 62,150 $ 21,895 $ 50,075 $ 40,825 Premiums and deposits 3,676 944 6,251 298 Policy charges (302) (35) (228) (789) Surrenders and withdrawals (8,170) (2,457) (4,432) (4,461) Benefit payments (142) — (6,410) (500) Investment performance 833 1,189 825 5,037 Net transfers from (to) general account (41) 30 — (237) Effect of foreign currency translation and other, net 469 (274) (8,450) — Balance, December 31, 2021 $ 58,473 $ 21,292 $ 37,631 $ 40,173 Premiums and deposits 5,253 1,233 7,058 267 Policy charges (309) (25) (253) (665) Surrenders and withdrawals (5,885) (7,481) (5,155) (2,911) Benefit payments (125) — (1,559) (431) Investment performance (4,503) (2,823) 1,490 (7,738) Net transfers from (to) general account 82 (56) — (199) Effect of foreign currency translation and other, net (1) (4,721) (446) 216 3 Balance, December 31, 2022 $ 48,265 $ 11,694 $ 39,428 $ 28,499 Premiums and deposits 2,203 175 7,936 256 Policy charges (285) (21) (287) (609) Surrenders and withdrawals (11,123) (944) (5,781) (2,948) Benefit payments (99) — (1,702) (464) Investment performance 2,595 774 2,814 4,561 Net transfers from (to) general account (56) 3 — (74) Effect of foreign currency translation and other, net (157) (22) (1,088) 3 Balance, December 31, 2023 $ 41,343 $ 11,659 $ 41,320 $ 29,224 Cash surrender value at December 31, 2021 (2) $ 48,276 N/A $ 37,631 $ 39,932 Cash surrender value at December 31, 2022 (2) $ 42,728 N/A $ 39,428 $ 28,348 Cash surrender value at December 31, 2023 (2) $ 35,950 N/A $ 41,320 $ 29,078 __________________ (1) The effect of foreign currency translation and other, net for RIS stable value and risk solutions primarily includes changes related to unsettled trades of mortgage-backed securities. (2) Cash surrender value represents the amount of the contractholders’ account balances distributable at the balance sheet date less policy loans and certain surrender charges. Separate Account Assets The Company’s aggregate fair value of assets, by major investment asset category, supporting separate account liabilities was as follows at: December 31, 2023 Group Benefits RIS Asia Latin America EMEA MetLife Holdings Total (In millions) Fixed maturity securities: Bonds: Foreign government $ — $ 509 $ 1,190 $ 1,051 $ 2,638 $ — $ 5,388 U.S. government and agency — 9,673 — 9,920 — 18 19,611 Public utilities — 1,077 308 — — 4 1,389 Municipals — 380 31 — — 13 424 Corporate bonds: Materials — 144 — — — — 144 Communications — 893 8 — — 3 904 Consumer — 1,882 39 — — 8 1,929 Energy — 911 105 — — 2 1,018 Financial — 2,717 551 6,006 398 15 9,687 Industrial and other — 764 38 3,598 — 3 4,403 Technology — 547 — — — 3 550 Foreign — 1,920 — 3,095 27 13 5,055 Total corporate bonds — 9,778 741 12,699 425 47 23,690 Total bonds — 21,417 2,270 23,670 3,063 82 50,502 Mortgage-backed securities — 9,671 — — — 35 9,706 Asset-backed securities and collateralized loan obligations — 2,557 18 — — 11 2,586 Redeemable preferred stock — 9 — — — — 9 Total fixed maturity securities — 33,654 2,288 23,670 3,063 128 62,803 Equity securities: Common stock: Industrial, miscellaneous and all other — 2,411 2,661 2,453 677 — 8,202 Banks, trust and insurance companies — 731 269 392 341 — 1,733 Public utilities — 67 19 — 72 — 158 Non-redeemable preferred stock — — 115 — — — 115 Mutual funds 1,159 8,517 2,929 10,099 109 35,418 58,231 Total equity securities 1,159 11,726 5,993 12,944 1,199 35,418 68,439 Other invested assets — 1,620 403 4,212 30 — 6,265 Total investments 1,159 47,000 8,684 40,826 4,292 35,546 137,507 Other assets — 6,093 503 494 35 2 7,127 Total $ 1,159 $ 53,093 $ 9,187 $ 41,320 $ 4,327 $ 35,548 $ 144,634 December 31, 2022 Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Total (In millions) Fixed maturity securities: Bonds: Foreign government $ — $ 588 $ 1,047 $ 593 $ 1,988 $ — $ 4,216 U.S. government and agency — 11,340 — 8,828 — 13 20,181 Public utilities — 1,183 281 — — 4 1,468 Municipals — 504 33 — — 12 549 Corporate bonds: Materials — 242 — — — — 242 Communications — 1,182 8 — — 3 1,193 Consumer — 2,393 — — — 7 2,400 Energy — 866 103 — — 1 970 Financial — 3,538 527 7,389 444 16 11,914 Industrial and other — 882 186 3,635 — 3 4,706 Technology — 717 — — — 3 720 Foreign — 2,473 — 4,018 21 12 6,524 Total corporate bonds — 12,293 824 15,042 465 45 28,669 Total bonds — 25,908 2,185 24,463 2,453 74 55,083 Mortgage-backed securities — 12,328 — — — 32 12,360 Asset-backed securities and collateralized loan obligations — 2,926 28 — — 14 2,968 Redeemable preferred stock — 4 — — — — 4 Total fixed maturity securities — 41,166 2,213 24,463 2,453 120 70,415 Equity securities: Common stock: Industrial, miscellaneous and all other — 2,910 2,330 2,100 475 — 7,815 Banks, trust and insurance companies — 599 270 347 188 — 1,404 Public utilities — 96 27 — 45 — 168 Non-redeemable preferred stock — 2 — — — — 2 Mutual funds 988 7,259 2,607 8,639 75 33,848 53,416 Total equity securities 988 10,866 5,234 11,086 783 33,848 62,805 Other invested assets 2 1,863 411 3,687 43 — 6,006 Total investments 990 53,895 7,858 39,236 3,279 33,968 139,226 Other assets — 6,145 434 192 35 6 6,812 Total $ 990 $ 60,040 $ 8,292 $ 39,428 $ 3,314 $ 33,974 $ 146,038 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.

Deferred Policy Acquisition Cos

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles	12 Months Ended
	Dec. 31, 2023
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Intangible Assets and Liabilities, excluding Goodwill [Text Block]	8. Deferred Policy Acquisition Costs, Value of Business Acquired, Unearned Revenue and Other Intangibles The transition adjustments related to DAC, VOBA, UREV and negative VOBA, as described in Note 1, were as follows at the Transition Date: Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Corporate & Other Total (In millions) DAC: Balance at December 31, 2020 $ 279 $ 130 $ 7,432 $ 1,344 $ 1,551 $ 2,679 $ 31 $ 13,446 Removal of related amounts in AOCI — — 2,309 50 — 1,621 — 3,980 Other adjustments upon adoption of the LDTI standard — — — — 14 11 — 25 Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 VOBA: Balance at December 31, 2020 $ — $ 25 $ 1,901 $ 748 $ 236 $ 33 $ — $ 2,943 Removal of related amounts in AOCI — — 14 8 — 5 — 27 Other adjustments upon adoption of the LDTI standard — — — — (4) — — (4) Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 UREV: Balance at December 31, 2020 $ — $ 42 $ 587 $ 740 $ 556 $ 188 $ — $ 2,113 Removal of related amounts in AOCI — — 1,029 95 (81) — — 1,043 Other adjustments upon adoption of the LDTI standard — — — — 7 — — 7 Balance at January 1, 2021 $ — $ 42 $ 1,616 $ 835 $ 482 $ 188 $ — $ 3,163 Negative VOBA: Balance at December 31, 2020 $ 738 Reclassification of carrying amounts of contracts and contract features that are market risk benefits (72) Balance at January 1, 2021 $ 666 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. DAC and VOBA Information regarding total DAC and VOBA by segment, as well as Corporate & Other, was as follows at: Group Benefits (1) RIS (1) Asia (2) Latin America (3) EMEA (3) MetLife Holdings (4) Corporate & Other Total (In millions) DAC: Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 Capitalizations (5) 19 95 1,601 406 499 31 100 2,751 Amortization (5) (26) (34) (655) (311) (360) (313) (107) (1,806) Effect of foreign currency translation and other, net (5) — — (629) (128) (129) — 8 (878) Reclassified to assets held-for-sale (6) — — — — (103) — — (103) Balance at December 31, 2021 272 191 10,058 1,361 1,472 4,029 32 17,415 Capitalizations 18 113 1,530 494 422 29 8 2,614 Amortization (26) (37) (644) (361) (311) (267) (9) (1,655) Effect of foreign currency translation and other, net — — (674) 48 (103) — (1) (730) Balance at December 31, 2022 264 267 10,270 1,542 1,480 3,791 30 17,644 Capitalizations 20 176 1,583 651 457 22 8 2,917 Amortization (26) (46) (705) (418) (332) (255) (9) (1,791) Effect of foreign currency translation and other, net (7) — — (284) 175 13 (287) 1 (382) Balance at December, 31, 2023 $ 258 $ 397 $ 10,864 $ 1,950 $ 1,618 $ 3,271 $ 30 $ 18,388 VOBA: Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 Amortization — (3) (131) (61) (29) (7) — (231) Effect of foreign currency translation and other, net — — (191) (104) (15) — — (310) Reclassified to assets held-for-sale (6) — — — — (34) — — (34) Balance at December 31, 2021 — 22 1,593 591 154 31 — 2,391 Amortization — (3) (101) (49) (20) (3) — (176) Effect of foreign currency translation and other, net — — (202) 3 (7) — — (206) Balance at December 31, 2022 — 19 1,290 545 127 28 — 2,009 Amortization — (3) (89) (50) (16) (3) — (161) Effect of foreign currency translation and other, net (7) — — (82) 2 2 (7) — (85) Balance at December 31, 2023 $ — $ 16 $ 1,119 $ 497 $ 113 $ 18 $ — $ 1,763 Total DAC and VOBA: Balance at December 31, 2021 $ 19,806 Balance at December 31, 2022 $ 19,653 Balance at December 31, 2023 $ 20,151 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) Includes DAC balances primarily related to accident & health, universal and variable universal life, variable life and fixed annuity products and VOBA balances primarily related to accident & health products. (3) Includes DAC balances primarily related to universal life and variable universal life products. (4) Includes DAC balances primarily related to universal life, variable universal life, whole life, term life and variable annuity products. (5) Corporate & Other includes activity related to MetLife P&C, a former subsidiary of the Company, that was previously reported in the former U.S. segment. See Notes 2 and 3. (6) See Note 3 for information on the Company’s dispositions. (7) MetLife Holdings segment includes activity for total DAC and total VOBA ceded at the date of inception related to a reinsurance agreement. See Note 9 for further information on the transaction. Significant Methodologies and Assumptions The Company amortizes DAC and VOBA related to long-duration contracts over the estimated lives of the contracts in proportion to benefits in-force for RIS annuities and policy count for all other products. The amortization amount is calculated using the same cohorts as the corresponding liabilities on a quarterly basis, using an amortization rate that includes current period reporting experience and end of period persistency and longevity assumptions that are consistent with those used to measure the corresponding liabilities. The Company amortizes DAC for credit insurance and other short-duration contracts, which is primarily comprised of commissions and certain underwriting expenses, in proportion to actual and future earned premium over the applicable contract term. Information regarding other intangibles was as follows: Years Ended December 31, 2023 2022 2021 (In millions) VODA and VOCRA: Balance at January 1, $ 876 $ 972 $ 1,099 Acquisitions — — — Amortization (88) (92) (100) Effect of foreign currency translation and other 6 (4) (27) Balance at December 31, $ 794 $ 876 $ 972 Accumulated amortization $ 755 $ 667 $ 575 Negative VOBA: Balance at January 1, $ 473 $ 557 $ 666 Amortization (26) (29) (35) Effect of foreign currency translation and other (20) (55) (74) Balance at December 31, $ 427 $ 473 $ 557 Accumulated amortization $ 3,398 $ 3,372 $ 3,343 The estimated future amortization expense (credit) to be reported in other expenses for the next five years is as follows: VOBA VODA and VOCRA Negative VOBA (In millions) 2024 $ 148 $ 84 $ (26) 2025 $ 138 $ 82 $ (24) 2026 $ 129 $ 80 $ (23) 2027 $ 118 $ 78 $ (22) 2028 $ 109 $ 75 $ (21) Unearned Revenue Information regarding the Company’s UREV primarily related to universal life and variable universal life products by segment included in other policy-related balances was as follows: RIS (1) Asia Latin EMEA MetLife Holdings Total (In millions) Balance at January 1, 2021 $ 42 $ 1,616 $ 835 $ 482 $ 188 $ 3,163 Deferrals 3 610 110 97 64 884 Amortization (7) (147) (96) (59) (14) (323) Effect of foreign currency translation and other - net — (46) (54) 1 — (99) Balance at December 31, 2021 38 2,033 795 521 238 3,625 Deferrals 5 546 134 111 60 856 Amortization (7) (144) (116) (59) (17) (343) Effect of foreign currency translation and other - net — (53) 35 (14) — (32) Balance at December 31, 2022 36 2,382 848 559 281 4,106 Deferrals 2 667 147 95 48 959 Amortization (7) (181) (116) (63) (18) (385) Effect of foreign currency translation and other - net (2) — (18) 110 17 (252) (143) Balance at December 31, 2023 $ 31 $ 2,850 $ 989 $ 608 $ 59 $ 4,537 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) MetLife Holdings segment includes activity for total UREV ceded at the date of inception related to a reinsurance agreement. See Note 9 for further information on the transaction. Significant Methodologies and Assumptions UREV is amortized similarly to DAC and VOBA, see “— DAC and VOBA.”

Reinsurance

Reinsurance	12 Months Ended
	Dec. 31, 2023
Reinsurance Disclosures [Abstract]
Reinsurance	9. Reinsurance The Company enters into reinsurance agreements primarily as a purchaser of reinsurance for its various insurance products and also as a provider of reinsurance for some insurance products issued by third parties. The Company participates in reinsurance activities in order to limit losses, minimize exposure to significant risks and provide additional capacity for future growth. Under the terms of the reinsurance agreements, the reinsurer agrees to reimburse the Company for the ceded amount in the event a claim is paid. Cessions under reinsurance agreements do not discharge the Company’s obligation as the primary insurer. In the event that reinsurers do not meet their obligations under the terms of the reinsurance agreements, reinsurance recoverable balances could become uncollectible. Accounting for reinsurance requires extensive use of assumptions and estimates, particularly related to the future performance of the underlying business and the potential impact of counterparty credit risks. The Company periodically reviews actual and anticipated experience compared to the aforementioned assumptions used to establish assets and liabilities relating to ceded and assumed reinsurance and evaluates the financial strength of counterparties to its reinsurance agreements using criteria similar to that evaluated in the security impairment process discussed in “ – Fixed Maturity Securities AFS – Evaluation of Fixed Maturity Securities AFS for Credit Loss” in Note 11. Group Benefits For its Group Benefits segment, the Company generally retains most of the risk, with the exception of its Group Term Life business and certain client arrangements. The Company reinsures an 80% quota share of its Group Term Life business for capital management purposes. The majority of the Company’s other reinsurance activity within this segment relates to client agreements for employer sponsored captive programs, risk-sharing agreements and multinational pooling. The risks ceded under these agreements are generally quota shares of group life and disability policies. The cessions vary and the Company may cede up to 100% of all the risks of the policies. RIS The Company’s RIS segment has engaged in reinsurance activities on an opportunistic basis. The Company reinsures longevity risks for certain pension products issued by unaffiliated providers located in the U.K. Asia, Latin America and EMEA For selected large corporate clients, the Company reinsures group employee benefits or credit insurance business with various client-affiliated reinsurance companies, covering policies issued to the employees or customers of the clients. Additionally, the Company cedes and assumes risk with other insurance companies when either company requires a business partner with the appropriate local licensing to issue certain types of policies in certain jurisdictions. In these cases, the assuming company typically underwrites the risks, develops the products and assumes most or all of the risk. The Company also has reinsurance agreements in-force that reinsure a portion of the living and death benefit guarantees issued in connection with variable annuity products. Under these agreements, the Company pays reinsurance fees associated with the guarantees collected from policyholders and receives reimbursement for benefits paid or accrued in excess of account values, subject to certain limitations. The Company may also reinsure certain risks with external reinsurers depending upon the nature of the risk and local regulatory requirements. MetLife Holdings For its life products, the Company has historically reinsured the mortality risk primarily on an excess of retention basis or on a quota share basis. In addition to reinsuring mortality risk as described above, the Company reinsures other risks, as well as specific coverages. Placement of reinsurance is done primarily on an automatic basis and also on a facultative basis for risks with specified characteristics. The Company also assumes portions of the risk associated with certain whole life policies issued by a former affiliate and reinsures certain term life policies and universal life policies with secondary death benefit guarantees to such former affiliate. In 2023, the Company reinsured an in-force block of universal life, variable universal life, universal life with secondary guarantees and fixed annuities to a third party on a 100% quota share basis. For its other products, the Company has a reinsurance agreement in-force to reinsure the living and death benefit guarantees issued in connection with certain variable annuity guarantees from a third party in Japan. Under this agreement, the Company receives reinsurance fees associated with the guarantees collected from policyholders, and provides reimbursement for benefits paid or accrued in excess of account values, subject to certain limitations. Catastrophe Coverage The Company has exposure to catastrophes which could contribute to significant fluctuations in the Company’s results of operations. For the Group Benefits and EMEA segments, the Company purchases catastrophe coverage to reinsure risks issued within territories that the Company believes are subject to the greatest catastrophic risks. For its other segments, the Company uses excess of retention and quota share reinsurance agreements to provide greater diversification of risk and minimize exposure to larger risks. Excess of retention reinsurance agreements provide for a portion of a risk to remain with the direct writing company and quota share reinsurance agreements provide for the direct writing company to transfer a fixed percentage of all risks of a class of policies. Reinsurance Recoverables The Company reinsures its business through a diversified group of well-capitalized reinsurers. The Company analyzes recent trends in arbitration and litigation outcomes in disputes, if any, with its reinsurers. The Company monitors ratings and evaluates the financial strength of its reinsurers by analyzing their financial statements. In addition, the reinsurance recoverable balance due from each reinsurer is evaluated as part of the overall monitoring process. Recoverability of reinsurance recoverable balances is evaluated based on these analyses. The Company generally secures large reinsurance recoverable balances with various forms of collateral, including secured trusts, funds withheld accounts and irrevocable letters of credit. These reinsurance recoverable balances are stated net of allowances for uncollectible reinsurance, which at December 31, 2023 and 2022, were not significant. A U.S. life insurance subsidiary of the Company also secured collateral from its counterparties to mitigate counterparty default risk related to its longevity reinsurance agreements. The Company has secured certain reinsurance recoverable balances with various forms of collateral, including secured trusts, funds withheld accounts and irrevocable letters of credit. The Company had $4.4 billion and $3.8 billion of unsecured reinsurance recoverable balances at December 31, 2023 and 2022, respectively. At December 31, 2023, the Company had $16.7 billion of net ceded reinsurance recoverables. Of this total, $14.1 billion, or 84%, were with the Company’s five largest ceded reinsurers, including $2.5 billion of net ceded reinsurance recoverables which were unsecured. At December 31, 2022, the Company had $6.1 billion of net ceded reinsurance recoverables. Of this total, $4.2 billion, or 69%, were with the Company’s five largest ceded reinsurers, including $2.3 billion of net ceded reinsurance recoverables which were unsecured. The Company has reinsured, with an unaffiliated third-party reinsurer, 59% of the closed block through a modified coinsurance agreement. The Company accounts for this agreement under the deposit method of accounting. The Company, having the right of offset, has offset the modified coinsurance deposit liability with the deposit recoverable. The amounts on the consolidated statements of operations include the impact of reinsurance. Information regarding the significant effects of reinsurance was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Premiums Direct premiums $ 43,359 $ 47,618 $ 40,377 Reinsurance assumed 3,112 3,035 2,909 Reinsurance ceded (2,188) (2,143) (2,134) Net premiums $ 44,283 $ 48,510 $ 41,152 Universal life and investment-type product policy fees Direct universal life and investment-type product policy fees $ 5,787 $ 5,687 $ 5,813 Reinsurance assumed (19) 32 (13) Reinsurance ceded (616) (494) (556) Net universal life and investment-type product policy fees $ 5,152 $ 5,225 $ 5,244 Policyholder benefits and claims Direct policyholder benefits and claims $ 44,155 $ 49,308 $ 43,199 Reinsurance assumed 2,904 2,604 2,546 Reinsurance ceded (2,469) (2,405) (2,627) Net policyholder benefits and claims $ 44,590 $ 49,507 $ 43,118 Policyholder liability remeasurement (gains) losses Direct policyholder liability remeasurement (gains) losses $ (54) $ 94 $ (185) Reinsurance assumed (20) 9 21 Reinsurance ceded 29 11 (8) Net policyholder liability remeasurement (gains) losses $ (45) $ 114 $ (172) Market risk benefits remeasurement (gains) losses Direct market risk benefits remeasurement (gains) losses $ (785) $ (3,636) $ (959) Reinsurance assumed (214) (46) (291) Reinsurance ceded 5 8 13 Net market risk benefits remeasurement (gains) losses $ (994) $ (3,674) $ (1,237) Other expenses Direct other expenses $ 12,760 $ 11,854 $ 11,984 Reinsurance assumed 235 268 329 Reinsurance ceded (285) (263) (295) Net other expenses $ 12,710 $ 11,859 $ 12,018 The amounts on the consolidated balance sheets include the impact of reinsurance. Information regarding the significant effects of reinsurance was as follows at: December 31, 2023 2022 Direct Assumed Ceded Total Direct Assumed Ceded Total (In millions) Assets Premiums, reinsurance and other receivables $ 6,044 $ 1,405 $ 21,522 $ 28,971 $ 5,427 $ 1,505 $ 10,432 $ 17,364 Market risk benefits 279 7 — 286 273 7 — 280 Deferred policy acquisition costs and value of business acquired 20,297 353 (499) 20,151 19,522 352 (221) 19,653 Total assets $ 26,620 $ 1,765 $ 21,023 $ 49,408 $ 25,222 $ 1,864 $ 10,211 $ 37,297 Liabilities Future policy benefits $ 192,424 $ 3,982 $ — $ 196,406 $ 183,377 $ 3,845 $ — $ 187,222 Market risk benefits 3,141 38 — 3,179 3,591 172 — 3,763 Other policy-related balances 18,852 1,152 (268) 19,736 17,250 1,183 (9) 18,424 Other liabilities 27,125 1,892 6,788 35,805 18,654 2,006 5,273 25,933 Total liabilities $ 241,542 $ 7,064 $ 6,520 $ 255,126 $ 222,872 $ 7,206 $ 5,264 $ 235,342 Reinsurance agreements that do not expose the Company to a reasonable possibility of a significant loss from insurance risk are recorded using the deposit method of accounting. Included in the above table are deposit assets on reinsurance of $5.1 billion and $1.9 billion at December 31, 2023 and 2022, respectively. Also, included in the table above are deposit liabilities on reinsurance of $1.3 billion and $1.4 billion at December 31, 2023 and 2022, respectively. In November 2023, the Company completed a risk transfer transaction with subsidiaries of Global Atlantic Financial Group, a retirement and life insurance company, to reinsure an in-force block of universal life, variable universal life, universal life with secondary guarantees, and fixed annuities, which are reported in the MetLife Holdings segment. The Company entered into reinsurance agreements on a coinsurance basis for the general account products and on a modified coinsurance basis for the separate account products. The Company recorded reinsurance recoverables and deposit receivables of $10.3 billion at December 31, 2023 reported in premiums, reinsurance and other receivables. At inception of the agreement, in addition to recording the amount recoverable, the Company (i) transferred to the reinsurer $9.5 billion of assets primarily consisting of fixed maturity securities AFS and mortgage loans supporting the general account liabilities reduced by a $2.2 billion pre-tax ceding commission, (ii) retained $5.0 billion separate account assets under the modified coinsurance arrangement and (iii) recorded the net cost of reinsurance of $770 million within other liabilities, related to universal life, variable universal life and universal life with secondary guarantees reinsured. The net cost of reinsurance will be amortized on a basis consistent with the methodologies and assumptions used for amortizing DAC related to the underlying reinsured contracts in policyholder benefits and claims. As part of this transaction, the Company’s investment management business entered into investment advisory and other agreements with subsidiaries of Global Atlantic Financial Group to serve as the investment manager for certain of the transferred general account assets. With certain exceptions, the agreements contemplate a term of five years.

Closed Block

Closed Block	12 Months Ended
	Dec. 31, 2023
Closed Block Disclosure [Abstract]
Closed Block	. Closed Block On April 7, 2000 (the “Demutualization Date”), Metropolitan Life Insurance Company (“MLIC”) converted from a mutual life insurance company to a stock life insurance company and became a wholly-owned subsidiary of MetLife, Inc. The conversion was pursuant to an order by the New York Superintendent of Insurance approving MLIC’s plan of reorganization, as amended (the “Plan of Reorganization”). On the Demutualization Date, MLIC established a closed block for the benefit of holders of certain individual life insurance policies of MLIC. Assets have been allocated to the closed block in an amount that has been determined to produce cash flows which, together with anticipated revenues from the policies included in the closed block, are reasonably expected to be sufficient to support obligations and liabilities relating to these policies, including, but not limited to, provisions for the payment of claims and certain expenses and taxes, and to provide for the continuation of policyholder dividend scales in effect for 1999, if the experience underlying such dividend scales continues, and for appropriate adjustments in such scales if the experience changes. At least annually, the Company compares actual and projected experience against the experience assumed in the then-current dividend scales. Dividend scales are adjusted periodically to give effect to changes in experience. The closed block assets, the cash flows generated by the closed block assets and the anticipated revenues from the policies in the closed block will benefit only the holders of the policies in the closed block. To the extent that, over time, cash flows from the assets allocated to the closed block and claims and other experience related to the closed block are, in the aggregate, more or less favorable than what was assumed when the closed block was established, total dividends paid to closed block policyholders in the future may be greater than or less than the total dividends that would have been paid to these policyholders if the policyholder dividend scales in effect for 1999 had been continued. Any cash flows in excess of amounts assumed will be available for distribution over time to closed block policyholders and will not be available to stockholders. If the closed block has insufficient funds to make guaranteed policy benefit payments, such payments will be made from assets outside of the closed block. The closed block will continue in effect as long as any policy in the closed block remains in-force. The expected life of the closed block is over 100 years from the Demutualization Date. The Company uses the same accounting principles to account for the participating policies included in the closed block as it used prior to the Demutualization Date. However, the Company establishes a policyholder dividend obligation for earnings that will be paid to policyholders as additional dividends as described below. The excess of closed block liabilities over closed block assets at the Demutualization Date (adjusted to eliminate the impact of related amounts in AOCI) represents the estimated maximum future earnings from the closed block expected to result from operations, attributed net of income tax, to the closed block. Earnings of the closed block are recognized in income over the period the policies and contracts in the closed block remain in-force. If, over the period the closed block remains in existence, the actual cumulative earnings of the closed block are greater than the expected cumulative earnings of the closed block, the Company will pay the excess to closed block policyholders as additional policyholder dividends unless offset by future unfavorable experience of the closed block and, accordingly, will recognize only the expected cumulative earnings in income with the excess recorded as a policyholder dividend obligation. If over such period, the actual cumulative earnings of the closed block are less than the expected cumulative earnings of the closed block, the Company will recognize only the actual earnings in income. However, the Company may change policyholder dividend scales in the future, which would be intended to increase future actual earnings until the actual cumulative earnings equal the expected cumulative earnings. At least annually, management performs a premium deficiency test using best estimate assumptions to determine whether the projected future earnings of the closed block are sufficient to support the payment of future closed block contractual benefits. The most recent deficiency test demonstrated that the projected future earnings of the closed block are sufficient to support the payment of future closed block contractual benefits. Experience within the closed block, in particular mortality and investment yields, as well as realized and unrealized gains and losses, directly impact the policyholder dividend obligation. Amortization of the closed block DAC, which resides outside of the closed block, is based upon policy count within the closed block. Closed block assets, liabilities, revenues and expenses are combined on a line-by-line basis with the assets, liabilities, revenues and expenses outside the closed block based on the nature of the particular item. Information regarding the liabilities and assets designated to the closed block was as follows at: December 31, 2023 2022 (In millions) Closed Block Liabilities Future policy benefits $ 36,142 $ 37,222 Other policy-related balances 319 273 Policyholder dividends payable 174 181 Other liabilities 668 455 Total closed block liabilities 37,303 38,131 Assets Designated to the Closed Block Investments: Fixed maturity securities available-for-sale, at estimated fair value 19,939 19,648 Equity securities, at estimated fair value 10 13 Mortgage loans 6,151 6,564 Policy loans 3,960 4,084 Real estate and real estate joint ventures 668 635 Other invested assets 496 692 Total investments 31,224 31,636 Cash and cash equivalents 717 437 Accrued investment income 383 375 Premiums, reinsurance and other receivables 54 52 Current income tax recoverable 3 88 Deferred income tax asset 312 423 Total assets designated to the closed block 32,693 33,011 Excess of closed block liabilities over assets designated to the closed block 4,610 5,120 AOCI: Unrealized investment gains (losses), net of income tax (820) (1,357) Unrealized gains (losses) on derivatives, net of income tax 130 262 Total amounts included in AOCI (690) (1,095) Maximum future earnings to be recognized from closed block assets and liabilities $ 3,920 $ 4,025 Information regarding the closed block policyholder dividend obligation was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ — $ 1,682 $ 2,969 Change in unrealized investment and derivative gains (losses) — (1,682) (1,287) Balance at December 31, $ — $ — $ 1,682 Information regarding the closed block revenues and expenses was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Revenues Premiums $ 922 $ 1,104 $ 1,298 Net investment income 1,362 1,382 1,541 Net investment gains (losses) 7 (51) (36) Net derivative gains (losses) — 33 18 Total revenues 2,291 2,468 2,821 Expenses Policyholder benefits and claims 1,706 1,890 2,150 Policyholder dividends 366 458 626 Other expenses 86 90 96 Total expenses 2,158 2,438 2,872 Revenues, net of expenses before provision for income tax expense (benefit) 133 30 (51) Provision for income tax expense (benefit) 28 6 (11) Revenues, net of expenses and provision for income tax expense (benefit) $ 105 $ 24 $ (40) MLIC charges the closed block with federal income taxes, state and local premium taxes and other state or local taxes, as well as investment management expenses relating to the closed block as provided in the Plan of Reorganization. MLIC also charges the closed block for expenses of maintaining the policies included in the closed block.

Investments

Investments	12 Months Ended
	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Investments	11. Investments See Note 13 for information about the fair value hierarchy for investments and the related valuation methodologies. Investment Risks and Uncertainties Investments are exposed to the following primary sources of risk: credit, interest rate, liquidity, market valuation, currency and real estate risk. The financial statement risks, stemming from such investment risks, are those associated with the determination of estimated fair values, the diminished ability to sell certain investments in times of strained market conditions, the recognition of ACL and impairments, the recognition of income on certain investments and the potential consolidation of VIEs. The use of different methodologies, assumptions and inputs relating to these financial statement risks may have a material effect on the amounts presented within the consolidated financial statements. The determination of ACL and impairments is highly subjective and is based upon quarterly evaluations and assessments of known and inherent risks associated with the respective asset class. Such evaluations and assessments are revised as conditions change and new information becomes available. The recognition of income on certain investments (e.g. structured securities, including mortgage-backed securities, asset-backed securities and collateralized loan obligations (“ABS & CLO”), certain structured investment transactions and FVO securities) is dependent upon certain factors such as prepayments and defaults, and changes in such factors could result in changes in amounts to be earned. Fixed Maturity Securities AFS Fixed Maturity Securities AFS by Sector The following table presents fixed maturity securities AFS by sector. U.S. corporate and foreign corporate sectors include redeemable preferred stock. RMBS includes agency, prime, prime investor, non-qualified residential mortgage, alternative, reperforming and sub-prime mortgage-backed securities. ABS & CLO includes securities collateralized by consumer loans, corporate loans and broadly syndicated bank loans. Municipals includes taxable and tax-exempt revenue bonds and, to a much lesser extent, general obligations of states, municipalities and political subdivisions. Commercial mortgage-backed securities (“CMBS”) primarily includes securities collateralized by multiple commercial mortgage loans. RMBS, ABS & CLO and CMBS are, collectively, “Structured Products.” December 31, 2023 2022 Amortized Gross Unrealized Estimated Amortized Gross Unrealized Estimated Sector Allowance Gains Losses Allowance Gains Losses (In millions) U.S. corporate $ 85,563 $ (68) $ 1,894 $ 6,672 $ 80,717 $ 88,466 $ (29) $ 1,133 $ 9,540 $ 80,030 Foreign corporate 59,123 (2) 1,750 5,427 55,444 59,696 (5) 1,213 8,332 52,572 Foreign government 48,260 (88) 1,754 4,437 45,489 50,047 (130) 1,876 5,046 46,747 U.S. government and agency 35,374 — 590 3,712 32,252 35,658 — 431 3,860 32,229 RMBS 31,479 (1) 353 2,735 29,096 29,496 — 187 3,518 26,165 ABS & CLO 17,910 (7) 54 663 17,294 17,991 — 23 1,192 16,822 Municipals 11,991 — 408 1,228 11,171 13,548 — 317 1,713 12,152 CMBS 10,855 (18) 73 961 9,949 11,123 (19) 59 1,100 10,063 Total fixed maturity securities AFS $ 300,555 $ (184) $ 6,876 $ 25,835 $ 281,412 $ 306,025 $ (183) $ 5,239 $ 34,301 $ 276,780 Methodology for Amortization of Premium and Accretion of Discount on Structured Products Amortization of premium and accretion of discount on Structured Products considers the estimated timing and amount of prepayments of the underlying loans. Actual prepayment experience is periodically reviewed and effective yields are recalculated when differences arise between the originally anticipated and the actual prepayments received and currently anticipated. Prepayment assumptions for Structured Products are estimated using inputs obtained from third-party specialists and based on management’s knowledge of the current market. For credit-sensitive and certain prepayment-sensitive Structured Products, the effective yield is recalculated on a prospective basis. For all other Structured Products, the effective yield is recalculated on a retrospective basis. Maturities of Fixed Maturity Securities AFS The amortized cost, net of ACL, and estimated fair value of fixed maturity securities AFS, by contractual maturity date, were as follows at December 31, 2023: Due in One Due After Due After Due After Structured Total Fixed (In millions) Amortized cost, net of ACL $ 9,644 $ 48,922 $ 51,837 $ 129,750 $ 60,218 $ 300,371 Estimated fair value $ 9,677 $ 48,325 $ 50,598 $ 116,473 $ 56,339 $ 281,412 Actual maturities may differ from contractual maturities due to the exercise of call or prepayment options. Fixed maturity securities AFS not due at a single maturity date have been presented in the year of final contractual maturity. Structured Products are shown separately, as they are not due at a single maturity. Continuous Gross Unrealized Losses for Fixed Maturity Securities AFS by Sector The following table presents the estimated fair value and gross unrealized losses of fixed maturity securities AFS in an unrealized loss position without an ACL by sector and aggregated by length of time that the securities have been in a continuous unrealized loss position. December 31, 2023 2022 Less than 12 Months Equal to or Greater than 12 Months Less than 12 Months Equal to or Greater than 12 Months Sector & Credit Quality Estimated Gross Estimated Gross Estimated Gross Estimated Gross (Dollars in millions) U.S. corporate $ 4,722 $ 420 $ 45,373 $ 6,208 $ 55,210 $ 7,573 $ 6,484 $ 1,965 Foreign corporate 3,210 187 32,355 5,240 31,932 5,999 8,956 2,332 Foreign government 3,913 246 19,715 4,187 16,568 2,170 8,308 2,874 U.S. government and agency 7,856 368 13,960 3,344 20,436 2,784 4,177 1,076 RMBS 3,465 60 17,128 2,675 16,223 1,890 6,650 1,628 ABS & CLO 1,662 31 11,438 629 10,924 712 4,326 480 Municipals 483 34 5,449 1,194 7,277 1,514 482 199 CMBS 1,034 36 6,671 917 6,890 764 2,037 335 Total fixed maturity securities AFS $ 26,345 $ 1,382 $ 152,089 $ 24,394 $ 165,460 $ 23,406 $ 41,420 $ 10,889 Investment grade $ 24,834 $ 1,287 $ 146,138 $ 23,675 $ 157,654 $ 22,713 $ 38,785 $ 10,298 Below investment grade 1,511 95 5,951 719 7,806 693 2,635 591 Total fixed maturity securities AFS $ 26,345 $ 1,382 $ 152,089 $ 24,394 $ 165,460 $ 23,406 $ 41,420 $ 10,889 Total number of securities in an unrealized loss position 2,922 13,049 15,204 4,303 Evaluation of Fixed Maturity Securities AFS for Credit Loss Evaluation and Measurement Methodologies Management considers a wide range of factors about the security issuer and uses its best judgment in evaluating the cause of the decline in the estimated fair value of the security and in assessing the prospects for near-term recovery. Inherent in management’s evaluation of the security are assumptions and estimates about the operations of the issuer and its future earnings potential. Considerations used in the credit loss evaluation process include, but are not limited to: (i) the extent to which the estimated fair value has been below amortized cost, (ii) adverse conditions specifically related to a security, an industry sector or sub-sector, or an economically depressed geographic area, adverse change in the financial condition of the issuer of the security, changes in technology, discontinuance of a segment of the business that may affect future earnings, and changes in the quality of credit enhancement, (iii) payment structure of the security and likelihood of the issuer being able to make payments, (iv) failure of the issuer to make scheduled interest and principal payments, (v) whether the issuer, or series of issuers or an industry has suffered a catastrophic loss or has exhausted natural resources, (vi) whether the Company has the intent to sell or will more likely than not be required to sell, including transfers in connection with reinsurance transactions, a particular security before the decline in estimated fair value below amortized cost recovers, (vii) with respect to Structured Products, changes in forecasted cash flows after considering the changes in the financial condition of the underlying loan obligors and quality of underlying collateral, expected prepayment speeds, current and forecasted loss severity, consideration of the payment terms of the underlying assets backing a particular security, and the payment priority within the tranche structure of the security, (viii) changes in the rating of the security by a rating agency, and (ix) other subjective factors, including concentrations and information obtained from regulators. The methodology and significant inputs used to determine the amount of credit loss are as follows: • The Company calculates the recovery value by performing a discounted cash flow analysis based on the present value of future cash flows. The discount rate is generally the effective interest rate of the security at the time of purchase for fixed-rate securities and the spot rate at the date of evaluation of credit loss for floating-rate securities. • When determining collectability and the period over which value is expected to recover, the Company applies considerations utilized in its overall credit loss evaluation process which incorporates information regarding the specific security, fundamentals of the industry and geographic area in which the security issuer operates, and overall macroeconomic conditions. Projected future cash flows are estimated using assumptions derived from management’s single best estimate, the most likely outcome in a range of possible outcomes, after giving consideration to a variety of variables that include, but are not limited to: payment terms of the security; the likelihood that the issuer can service the interest and principal payments; the quality and amount of any credit enhancements; the security’s position within the capital structure of the issuer; possible corporate restructurings or asset sales by the issuer; any private and public sector programs to restructure foreign government securities and municipals; and changes to the rating of the security or the issuer by rating agencies. • Additional considerations are made when assessing the features that apply to certain Structured Products including, but not limited to: the quality of underlying collateral, historical performance of the underlying loan obligors, historical rent and vacancy levels, changes in the financial condition of the underlying loan obligors, expected prepayment speeds, current and forecasted loss severity, consideration of the payment terms of the underlying loans or assets backing a particular security, changes in the quality of credit enhancement and the payment priority within the tranche structure of the security. With respect to securities that have attributes of debt and equity (“perpetual hybrid securities”), consideration is given in the credit loss analysis as to whether there has been any deterioration in the credit of the issuer and the likelihood of recovery in value of the securities that are in a severe unrealized loss position. Consideration is also given as to whether any perpetual hybrid securities with an unrealized loss, regardless of credit rating, have deferred any dividend payments. In periods subsequent to the recognition of an initial ACL on a security, the Company reassesses credit loss quarterly. Subsequent increases or decreases in the expected cash flow from the security result in corresponding decreases or increases in the ACL which are recognized in earnings and reported within net investment gains (losses); however, the previously recorded ACL is not reduced to an amount below zero. Full or partial write-offs are deducted from the ACL in the period the security, or a portion thereof, is considered uncollectible. Recoveries of amounts previously written off are recorded to the ACL in the period received. When the Company has the intent-to-sell the security or it is more likely than not that the Company will be required to sell the security before recovery of its amortized cost, any ACL is written off and the amortized cost is written down to estimated fair value through a charge within net investment gains (losses), which becomes the new amortized cost of the security. Evaluation of Fixed Maturity Securities AFS in an Unrealized Loss Position Gross unrealized losses on securities without an ACL decreased $8.5 billion for the year ended December 31, 2023 to $25.8 billion primarily due to interest rate volatility, narrowing credit spreads, impairments in connection with a reinsurance transaction and, to a lesser extent, the strengthening of foreign currencies on certain non-functional currency denominated fixed maturity securities. As shown above, most of the gross unrealized losses on securities without an ACL that have been in a continuous gross unrealized loss position for 12 months or greater at December 31, 2023 relate to investment grade securities. These unrealized losses are principally due to widening credit spreads since purchase and, with respect to fixed-rate securities, rising interest rates since purchase. As of December 31, 2023, $719 million of gross unrealized losses on securities without an ACL that have been in a continuous gross unrealized loss position for 12 months or greater on below investment grade securities were concentrated in the consumer, transportation, and communications sectors within corporate securities and in foreign government securities. These unrealized losses are the result of significantly wider credit spreads resulting from higher risk premiums since purchase, largely due to economic and market uncertainty and, with respect to fixed-rate securities, rising interest rates since purchase. At December 31, 2023, the Company did not intend to sell its securities in an unrealized loss position without an ACL, and it was not more likely than not that the Company would be required to sell these securities before the anticipated recovery of the remaining amortized cost. Therefore, the Company concluded that these securities had not incurred a credit loss and should not have an ACL at December 31, 2023. Future provisions for credit loss will depend primarily on economic fundamentals, issuer performance (including changes in the present value of future cash flows expected to be collected), changes in credit ratings and collateral valuation. Rollforward of Allowance for Credit Loss for Fixed Maturity Securities AFS By Sector The rollforward of ACL for fixed maturity securities AFS by sector is as follows: U.S. Foreign Foreign RMBS ABS & CLO CMBS Total Year Ended December 31, 2023 (In millions) Balance at January 1, $ 29 $ 5 $ 130 $ — $ — $ 19 $ 183 ACL not previously recorded 36 — — 2 7 2 47 Changes for securities with previously recorded ACL 7 — (23) (1) — 8 (9) Securities sold or exchanged (4) (3) (19) — — (11) (37) Balance at December 31, $ 68 $ 2 $ 88 $ 1 $ 7 $ 18 $ 184 U.S. Foreign Foreign RMBS ABS & CLO CMBS Total Year Ended December 31, 2022 (In millions) Balance at January 1, $ 30 $ 28 $ 19 $ — $ — $ 14 $ 91 ACL not previously recorded 13 67 207 — — 5 292 Changes for securities with previously recorded ACL 17 2 (48) — — — (29) Securities sold or exchanged (9) (93) (37) — — — (139) Effect of foreign currency translation — 1 (11) — — — (10) Write-offs (22) — — — — — (22) Balance at December 31, $ 29 $ 5 $ 130 $ — $ — $ 19 $ 183 Equity Securities The following table presents equity securities by security type. Common stock includes common stock, exchange traded funds, certain mutual funds and certain real estate investment trusts. December 31, 2023 2022 Cost Net Unrealized Estimated Cost Net Unrealized Estimated Security Type (In millions) Common stock $ 424 $ 239 $ 663 $ 1,347 $ 195 $ 1,542 Non-redeemable preferred stock 90 4 94 148 (6) 142 Total $ 514 $ 243 $ 757 $ 1,495 $ 189 $ 1,684 __________________ (1) Represents cumulative changes in estimated fair value, recognized in earnings, and not in OCI. Contractholder-Directed Equity Securities and FVO Securities The following table presents these investments by asset type. Unit-linked investments are primarily equity securities (including mutual funds). FVO securities includes fixed maturity and equity securities to support asset and liability management strategies for certain insurance products and investments in certain separate accounts. December 31, 2023 2022 Cost or Net Unrealized Estimated Cost or Net Unrealized Estimated Asset Type (In millions) Unit-linked investments $ 7,770 $ 1,112 $ 8,882 $ 7,945 $ 288 $ 8,233 FVO securities 972 477 1,449 1,161 274 1,435 Total $ 8,742 $ 1,589 $ 10,331 $ 9,106 $ 562 $ 9,668 __________________ (1) Represents cumulative changes in estimated fair value, recognized in earnings, and not in OCI. Mortgage Loans Mortgage Loans by Portfolio Segment Mortgage loans are summarized as follows at: December 31, 2023 2022 Portfolio Segment Carrying Value (1) % of Carrying % of (Dollars in millions) Commercial $ 60,326 65.2 % $ 52,502 62.7 % Agricultural 19,805 21.4 19,306 23.0 Residential 13,096 14.2 12,482 14.9 Total amortized cost 93,227 100.8 84,290 100.6 Allowance for credit loss (721) (0.8) (527) (0.6) Total mortgage loans $ 92,506 100.0 % $ 83,763 100.0 % __________________ (1) Includes certain mortgage loans originated for third parties of $8.5 billion at amortized cost ($8.2 billion commercial and $246 million agricultural) and the related ACL of $73 million, with the corresponding mortgage loan secured financing liability of $8.5 billion included in other liabilities on the consolidated balance sheet. The investment income on these mortgage loans originated for third parties and the interest expense on the mortgage loan secured financing liability was $408 million for the year ended December 31, 2023, and recorded in investment income and investment expenses, within net investment income. See Note 1. The amount of net (discounts) premiums and deferred (fees) expenses, included within total amortized cost, primarily attributable to residential mortgage loans was ($736) million and ($744) million at December 31, 2023 and 2022, respectively. The accrued interest income excluded from total amortized cost for commercial, agricultural and residential mortgage loans at December 31, 2023 was $277 million, $204 million, and $95 million, respectively. The accrued interest income excluded from total amortized cost for commercial, agricultural and residential mortgage loans at December 31, 2022 was $219 million, $176 million and $81 million, respectively. Purchases of mortgage loans, consisting primarily of residential mortgage loans, were $1.5 billion, $3.1 billion and $1.8 billion for the years ended December 31, 2023, 2022 and 2021, respectively. During the year ended December 31, 2023, the Company disposed of commercial mortgage loans with an amortized cost of $254 million in connection with a reinsurance transaction. The disposition resulted in a loss of $58 million for the year ended December 31, 2023. During the years ended December 31, 2023 and 2022, the Company contributed commercial mortgage loans with an amortized cost of $15 million and $489 million, respectively, to joint ventures in anticipation of subsequent foreclosure or deed-in-lieu of foreclosure transactions. During the years ended December 31, 2023 and 2022, the joint ventures completed foreclosure or deed-in-lieu of foreclosure transactions on loans with an amortized cost of $37 million and $467 million, respectively. During the year ended December 31, 2023, no gains or losses were recognized on foreclosures or deed-in-lieu of foreclosures within joint ventures as the estimated fair value of the real estate collateralizing the foreclosures or deed-in-lieu of foreclosures approximated amortized cost. The real estate collateralizing the 2022 foreclosures or deed-in-lieu of foreclosures had an estimated fair value in excess of amortized cost. Therefore, during the year ended December 31, 2022, the Company recognized its pro rata share of $34 million within net investment gains (losses) upon consummation of the foreclosures or deed-in-lieu of foreclosures. See “— Real Estate and Real Estate Joint Ventures” for the carrying value of wholly-owned real estate acquired through foreclosure. Rollforward of Allowance for Credit Loss for Mortgage Loans by Portfolio Segment The rollforward of ACL for mortgage loans, by portfolio segment, is as follows: Years Ended December 31, 2023 2022 2021 Commercial Agricultural Residential Total Commercial Agricultural Residential Total Commercial Agricultural Residential Total (In millions) Balance at January 1, $ 218 $ 119 $ 190 $ 527 $ 340 $ 88 $ 206 $ 634 $ 252 $ 106 $ 232 $ 590 Provision (release) 168 89 (8) 249 (2) 53 (8) 43 88 6 (27) 67 Initial credit losses on PCD loans (1) — — — — — — — — — — 3 3 Charge-offs, net of recoveries (19) (36) — (55) (120) (22) (8) (150) — (24) (2) (26) Balance at December 31, $ 367 $ 172 $ 182 $ 721 $ 218 $ 119 $ 190 $ 527 $ 340 $ 88 $ 206 $ 634 __________________ (1) Represents the initial credit losses on purchased mortgage loans accounted for as PCD. Allowance for Credit Loss Methodology The Company records an allowance for expected lifetime credit loss in earnings within net investment gains (losses) in an amount that represents the portion of the amortized cost basis of mortgage loans that the Company does not expect to collect, resulting in mortgage loans being presented at the net amount expected to be collected. In determining the Company’s ACL, management applies significant judgment to estimate expected lifetime credit loss, including: (i) pooling mortgage loans that share similar risk characteristics, (ii) considering expected lifetime credit loss over the contractual term of its mortgage loans adjusted for expected prepayments and any extensions, and (iii) considering past events and current and forecasted economic conditions. Each of the Company’s commercial, agricultural and residential mortgage loan portfolio segments are evaluated separately. The ACL is calculated for each mortgage loan portfolio segment based on inputs unique to each loan portfolio segment. On a quarterly basis, mortgage loans within a portfolio segment that share similar risk characteristics, such as internal risk ratings or consumer credit scores, are pooled for calculation of ACL. On an ongoing basis, mortgage loans with dissimilar risk characteristics (i.e., loans with significant declines in credit quality), such as collateral dependent mortgage loans (i.e., when the borrower is experiencing financial difficulty, including when foreclosure is reasonably possible or probable), are evaluated individually for credit loss. The ACL for loans evaluated individually are established using the same methodologies for all three portfolio segments. For example, the ACL for a collateral dependent loan is established as the excess of amortized cost over the estimated fair value of the loan’s underlying collateral, less selling cost when foreclosure is probable. Accordingly, the change in the estimated fair value of collateral dependent loans, which are evaluated individually for credit loss, is recorded as a change in the ACL which is recorded on a quarterly basis as a charge or credit to earnings in net investment gains (losses). Commercial and Agricultural Mortgage Loan Portfolio Segments Within each loan portfolio segment, commercial and agricultural loans are pooled by internal risk rating. Estimated lifetime loss rates, which vary by internal risk rating, are applied to the amortized cost of each loan, excluding accrued investment income, on a quarterly basis to develop the ACL. Internal risk ratings are based on an assessment of the loan’s credit quality, which can change over time. The estimated lifetime loss rates are based on several loan portfolio segment-specific factors, including (i) the Company’s experience with defaults and loss severity, (ii) expected default and loss severity over the forecast period, (iii) current and forecasted economic conditions including growth, inflation, interest rates and unemployment levels, (iv) loan specific characteristics including loan-to-value (“LTV”) ratios, and (v) internal risk ratings. These evaluations are revised as conditions change and new information becomes available. The Company uses its several decades of historical default and loss severity experience which capture multiple economic cycles. The Company uses a forecast of economic assumptions for a two-year period for most of its commercial and agricultural mortgage loans, while a one-year period is used for loans originated in certain markets. After the applicable forecast period, the Company reverts to its historical loss experience using a straight-line basis over two years. For evaluations of commercial mortgage loans, in addition to historical experience, management considers factors that include the impact of a rapid change to the economy, which may not be reflected in the loan portfolio, recent loss and recovery trend experience as compared to historical loss and recovery experience, and loan specific characteristics including debt service coverage ratios (“DSCR”). In estimating expected lifetime credit loss over the term of its commercial mortgage loans, the Company adjusts for expected prepayment and extension experience during the forecast period using historical prepayment and extension experience considering the expected position in the economic cycle and the loan profile (i.e., floating rate, shorter-term fixed rate and longer-term fixed rate) and after the forecast period using long-term historical prepayment experience. For evaluations of agricultural mortgage loans, in addition to historical experience, management considers factors that include increased stress in certain sectors, which may be evidenced by higher delinquency rates, or a change in the number of higher risk loans. In estimating expected lifetime credit loss over the term of its agricultural mortgage loans, the Company’s experience is much less sensitive to the position in the economic cycle and by loan profile; accordingly, historical prepayment experience is used, while extension terms are not prevalent with the Company’s agricultural mortgage loans. Commercial mortgage loans are reviewed on an ongoing basis, which review includes, but is not limited to, an analysis of the property financial statements and rent roll, lease rollover analysis, property inspections, market analysis, estimated valuations of the underlying collateral, LTV ratios, DSCR and tenant creditworthiness. The monitoring process focuses on higher risk loans, which include those that are classified as restructured, delinquent or in foreclosure, as well as loans with higher LTV ratios and lower DSCR. Agricultural mortgage loans are reviewed on an ongoing basis, which review includes, but is not limited to, property inspections, market analysis, estimated valuations of the underlying collateral, LTV ratios and borrower creditworthiness, as well as reviews on a geographic and property-type basis. The monitoring process for agricultural mortgage loans also focuses on higher risk loans. For commercial mortgage loans, the primary credit quality indicator is the DSCR, which compares a property’s net operating income to amounts needed to service the principal and interest due under the loan. Generally, the lower the DSCR, the higher the risk of experiencing a credit loss. The Company also reviews the LTV ratio of its commercial mortgage loan portfolio. LTV ratios compare the unpaid principal balance of the loan to the estimated fair value of the underlying collateral. Generally, the higher the LTV ratio, the higher the risk of experiencing a credit loss. The DSCR and the values utilized in calculating the ratio are updated routinely. In addition, the LTV ratio is routinely updated for all but the lowest risk loans as part of the Company’s ongoing review of its commercial mortgage loan portfolio. For agricultural mortgage loans, the Company’s primary credit quality indicator is the LTV ratio. The values utilized in calculating this ratio are developed in connection with the ongoing review of the agricultural mortgage loan portfolio and are routinely updated. After commercial and agricultural mortgage loans are approved, the Company makes commitments to lend and, typically, borrowers draw down on some or all of the commitments. The timing of mortgage loan funding is based on the commitment expiration dates. A liability for credit loss for unfunded commercial and agricultural mortgage loan commitments that is not unconditionally cancellable is recognized in earnings and is reported within net investment gains (losses). The liability is based on estimated lifetime loss rates as described above and the amount of the outstanding commitments, which for lines of credit, considers estimated utilization rates. When the commitment is funded or expires, the liability is adjusted accordingly. Residential Mortgage Loan Portfolio Segment The Company’s residential mortgage loan portfolio is comprised primarily of purchased closed end, amortizing residential mortgage loans, including both performing loans purchased within 12 months of origination and reperforming loans purchased after they have been performing for at least 12 months post-modification. Residential mortgage loans are pooled by loan type (i.e., new origination and reperforming) and pooled by similar risk profiles (including consumer credit score and LTV ratios). Estimated lifetime loss rates, which vary by loan type and risk profile, are applied to the amortized cost of each loan excluding accrued investment income on a quarterly basis to develop the ACL. The estimated lifetime loss rates are based on several factors, including (i) industry historical experience and expected results over the forecast period for defaults, (ii) loss severity, (iii) prepayment rates, (iv) current and forecasted economic conditions including growth, inflation, interest rates and unemployment levels, and (v) loan pool specific characteristics including consumer credit scores, LTV ratios, payment history and home prices. These evaluations are revised as conditions change and new information becomes available. The Company uses industry historical experience which captures multiple economic cycles as the Company has purchased most of its residential mortgage loans in the last five years. The Company uses a forecast of economic assumptions for a two-year period for most of its residential mortgage loans. After the applicable forecast period, the Company reverts to industry historical loss experience using a straight-line basis over one year. For residential mortgage loans, the Company’s primary credit quality indicator is whether the loan is performing or nonperforming. The Company generally defines nonperforming residential mortgage loans as those that are 60 or more days past due and/or in nonaccrual status which is assessed monthly. Generally, nonperforming residential mortgage loans have a higher risk of experiencing a credit loss. Modifications to Borrowers Experiencing Financial Difficulty The Company may modify mortgage loans to borrowers. Each mortgage loan modification is evaluated to determine whether the borrower was experiencing financial difficulties. Disclosed below are those modifications, in materially impacted segments, where the borrower was determined to be experiencing financial difficulties and the mortgage loans were modified by any of the following means, principal forgiveness, interest rate reduction, other-than-insignificant payment delay or term extension. The amount, timing and extent of modifications granted are considered in determining any ACL recorded. Mortgage loans are summarized as follows at: December 31, 2023 Maturity Extension Weighted Average Life Increase % of Total BV Amortized Cost Affected Loans (in Years) (Dollars in millions) Commercial $ 522 Less than one year 1.0 % For the year ended December 31, 2023, the Company did not have a significant amount of mortgage loans that were modified to borrowers experiencing financial difficulty that are not considered current. Credit Quality of Mortgage Loans by Portfolio Segment The amortized cost of commercial mortgage loans by credit quality indicator and vintage year was as follows at December 31, 2023: Credit Quality Indicator 2023 2022 2021 2020 2019 Prior Revolving Total % of (Dollars in millions) LTV ratios: Less than 65% $ 2,592 $ 2,724 $ 3,392 $ 1,787 $ 4,220 $ 13,082 $ 2,698 $ 30,495 50.6 % 65% to 75% 372 4,465 2,737 1,651 1,636 6,114 — 16,975 28.1 76% to 80% 58

Derivatives

Derivatives	12 Months Ended
	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives	12. Derivatives Accounting for Derivatives See Note 1 for a description of the Company’s accounting policies for derivatives an d Note 13 for information about the fair value hierarchy for derivatives. Derivative Strategies The Company is exposed to various risks relating to its ongoing business operations, including interest rate, foreign currency exchange rate, credit and equity market. The Company uses a variety of strategies to manage these risks, including the use of derivatives. Derivatives are financial instruments with values derived from interest rates, foreign currency exchange rates, credit spreads and/or other financial indices. Derivatives may be exchange-traded or contracted in the over-the-counter (“OTC”) market. Certain of the Company’s OTC derivatives are cleared and settled through central clearing counterparties (“OTC-cleared”), while others are bilateral contracts between two counterparties (“OTC-bilateral”). The types of derivatives the Company uses include swaps, forwards, futures and option contracts. To a lesser extent, the Company uses credit default swaps and structured interest rate swaps to synthetically replicate investment risks and returns which are not readily available in the cash markets. Interest Rate Derivatives The Company uses a variety of interest rate derivatives to reduce its exposure to changes in interest rates, including interest rate swaps, interest rate total return swaps, caps, floors, swaptions, futures and forwards. Interest rate swaps are used by the Company primarily to reduce market risks from changes in interest rates and to alter interest rate exposure arising from mismatches between assets and liabilities (duration mismatches). In an interest rate swap, the Company agrees with another party to exchange, at specified intervals, the difference between fixed rate and floating rate interest amounts as calculated by reference to an agreed notional amount. The Company utilizes interest rate swaps in fair value, cash flow and nonqualifying hedging relationships. The Company uses structured interest rate swaps to synthetically create investments that are either more expensive to acquire or otherwise unavailable in the cash markets. These transactions are a combination of a derivative and a cash instrument such as a U.S. government and agency, or other fixed maturity securities AFS. Structured interest rate swaps are included in interest rate swaps and are not designated as hedging instruments. Interest rate total return swaps are swaps whereby the Company agrees with another party to exchange, at specified intervals, the difference between the economic risk and reward of an asset or a market index and a benchmark interest rate, calculated by reference to an agreed notional amount. No cash is exchanged at the outset of the contract. Cash is paid and received over the life of the contract based on the terms of the swap. These transactions are entered into pursuant to master agreements that provide for a single net payment to be made by the counterparty at each due date. Interest rate total return swaps are used by the Company to reduce market risks from changes in interest rates and to alter interest rate exposure arising from mismatches between assets and liabilities (duration mismatches). The Company utilizes interest rate total return swaps in nonqualifying hedging relationships. The Company purchases interest rate caps primarily to protect its floating rate liabilities against rises in interest rates above a specified level, and against interest rate exposure arising from mismatches between assets and liabilities, and interest rate floors primarily to protect its minimum rate guarantee liabilities against declines in interest rates below a specified level. In certain instances, the Company locks in the economic impact of existing purchased caps and floors by entering into offsetting written caps and floors. The Company utilizes interest rate caps and floors in nonqualifying hedging relationships. In exchange-traded interest rate (Treasury and swap) futures transactions, the Company agrees to purchase or sell a specified number of contracts, the value of which is determined by the different classes of interest rate securities, to post variation margin on a daily basis in an amount equal to the difference in the daily market values of those contracts and to pledge initial margin based on futures exchange requirements. The Company enters into exchange-traded futures with regulated futures commission merchants that are members of the exchange. Exchange-traded interest rate (Treasury and swap) futures are used primarily to hedge mismatches between the duration of assets in a portfolio and the duration of liabilities supported by those assets, to hedge against changes in value of securities the Company owns or anticipates acquiring, to hedge against changes in interest rates on anticipated liability issuances by replicating Treasury or swap curve performance, and to hedge minimum guarantees embedded in certain variable annuity products issued by the Company. The Company utilizes exchange-traded interest rate futures in nonqualifying hedging relationships. Swaptions are used by the Company to hedge interest rate risk associated with the Company’s long-term liabilities and invested assets. A swaption is an option to enter into a swap with a forward starting effective date. In certain instances, the Company locks in the economic impact of existing purchased swaptions by entering into offsetting written swaptions. The Company pays a premium for purchased swaptions and receives a premium for written swaptions. The Company utilizes swaptions in nonqualifying hedging relationships. Swaptions are included in interest rate options. The Company enters into interest rate forwards to buy and sell securities. The price is agreed upon at the time of the contract and payment for such a contract is made at a specified future date. The Company utilizes interest rate forwards in cash flow and nonqualifying hedging relationships. Synthetic GICs are contracts that simulate the performance of traditional GICs through the use of financial instruments. The contractholder owns the underlying assets, and the Company provides a guarantee (or “wrap”) on the participant funds for an annual risk charge. The Company’s maximum exposure to loss on synthetic GICs is the notional amount, in the event the values of all of the underlying assets were reduced to zero. The Company’s risk is substantially lower due to contractual provisions that limit the portfolio to high quality assets, which are pre-approved and monitored for compliance, as well as the collection of risk charges. In addition, the crediting rates reset periodically to amortize market value gains and losses over a period equal to the duration of the wrapped portfolio, subject to a 0% floor. While plan participants may transact at book value, contractholder withdrawals may only occur immediately at market value, or at book value paid over a period of time per contract provisions. Synthetic GICs are not designated as hedging instruments. Foreign Currency Exchange Rate Derivatives The Company uses foreign currency exchange rate derivatives, including foreign currency swaps, foreign currency forwards, currency options and exchange-traded currency futures, to reduce the risk from fluctuations in foreign currency exchange rates associated with its assets and liabilities denominated in foreign currencies. The Company also uses foreign currency derivatives to hedge the foreign currency exchange rate risk associated with certain of its net investments in foreign operations. In a foreign currency swap transaction, the Company agrees with another party to exchange, at specified intervals, the difference between one currency and another at a fixed exchange rate, generally set at inception, calculated by reference to an agreed upon notional amount. The notional amount of each currency is exchanged at the inception and termination of the currency swap by each party. The Company utilizes foreign currency swaps in fair value, cash flow and nonqualifying hedging relationships. In a foreign currency forward transaction, the Company agrees with another party to deliver a specified amount of an identified currency at a specified future date. The price is agreed upon at the time of the contract and payment for such a contract is made at the specified future date. The Company utilizes foreign currency forwards in fair value, NIFO hedges and nonqualifying hedging relationships. The Company enters into currency options that give it the right, but not the obligation, to sell the foreign currency amount in exchange for a functional currency amount within a limited time at a contracted price. The contracts may also be net settled in cash, based on differentials in the foreign currency exchange rate and the strike price. The Company uses currency options to hedge against the foreign currency exposure inherent in certain of its variable annuity products. The Company also uses currency options as an economic hedge of foreign currency exposure related to the Company’s non-U.S. subsidiaries. The Company utilizes currency options in NIFO hedges and nonqualifying hedging relationships. To a lesser extent, the Company uses exchange-traded currency futures to hedge currency mismatches between assets and liabilities, and to hedge minimum guarantees embedded in certain variable annuity products issued by the Company. The Company utilizes exchange-traded currency futures in nonqualifying hedging relationships. Credit Derivatives The Company enters into purchased credit default swaps to hedge against credit-related changes in the value of its investments. In a credit default swap transaction, the Company agrees with another party to pay, at specified intervals, a premium to hedge credit risk. If a credit event occurs, as defined by the contract, the contract may be cash settled or it may be settled gross by the delivery of par quantities of the referenced investment equal to the specified swap notional amount in exchange for the payment of cash amounts by the counterparty equal to the par value of the investment surrendered. Credit events vary by type of issuer but typically include bankruptcy, failure to pay debt obligations and involuntary restructuring for corporate obligors, as well as repudiation, moratorium or governmental intervention for sovereign obligors. In each case, payout on a credit default swap is triggered only after the relevant third party, Credit Derivatives Determinations Committee determines that a credit event has occurred. The Company utilizes credit default swaps in nonqualifying hedging relationships. The Company enters into written credit default swaps to synthetically create credit investments that are either more expensive to acquire or otherwise unavailable in the cash markets. These transactions are a combination of a derivative and one or more cash instruments, such as U.S. government and agency, or other fixed maturity securities AFS. These credit default swaps are not designated as hedging instruments. The Company enters into forwards to lock in the price to be paid for forward purchases of certain securities. The price is agreed upon at the time of the contract and payment for the contract is made at a specified future date. When the primary purpose of entering into these transactions is to hedge against the risk of changes in purchase price due to changes in credit spreads, the Company designates these transactions as credit forwards. The Company utilizes credit forwards in cash flow hedging relationships. Equity Derivatives The Company uses a variety of equity derivatives to reduce its exposure to equity market risk, including equity index options, equity variance swaps, exchange-traded equity futures and equity total return swaps. Equity index options are used by the Company primarily to hedge minimum guarantees embedded in certain variable annuity products issued by the Company. To hedge against adverse changes in equity indices, the Company enters into contracts to sell the underlying equity index within a limited time at a contracted price. The contracts will be net settled in cash based on differentials in the indices at the time of exercise and the strike price. Certain of these contracts may also contain settlement provisions linked to interest rates. In certain instances, the Company may enter into a combination of transactions to hedge adverse changes in equity indices within a pre-determined range through the purchase and sale of options. The Company utilizes equity index options in nonqualifying hedging relationships. Equity variance swaps are used by the Company primarily to hedge minimum guarantees embedded in certain variable annuity products issued by the Company. In an equity variance swap, the Company agrees with another party to exchange amounts in the future, based on changes in equity volatility over a defined period. The Company utilizes equity variance swaps in nonqualifying hedging relationships. In exchange-traded equity futures transactions, the Company agrees to purchase or sell a specified number of contracts, the value of which is determined by the different classes of equity securities, to post variation margin on a daily basis in an amount equal to the difference in the daily market values of those contracts and to pledge initial margin based on futures exchange requirements. The Company enters into exchange-traded futures with regulated futures commission merchants that are members of the exchange. Exchange-traded equity futures are used primarily to hedge minimum guarantees embedded in certain variable annuity products issued by the Company. The Company utilizes exchange-traded equity futures in nonqualifying hedging relationships. In an equity total return swap, the Company agrees with another party to exchange, at specified intervals, the difference between the economic risk and reward of an asset or a market index and a benchmark interest rate, calculated by reference to an agreed notional amount. No cash is exchanged at the outset of the contract. Cash is paid and received over the life of the contract based on the terms of the swap. The Company uses equity total return swaps to hedge its equity market guarantees in certain of its insurance products. Equity total return swaps can be used as hedges or to synthetically create investments. The Company utilizes equity total return swaps in nonqualifying hedging relationships. Primary Risks Managed by Derivatives The following table presents the primary underlying risk exposure, gross notional amount and estimated fair value of the Company’s derivatives, excluding embedded derivatives, held at: Primary Underlying Risk Exposure December 31, 2023 2022 Estimated Fair Value Estimated Fair Value Gross Assets Liabilities Gross Assets Liabilities (In millions) Derivatives Designated as Hedging Instruments: Fair value hedges: Interest rate swaps Interest rate $ 4,550 $ 1,257 $ 535 $ 4,143 $ 1,353 $ 467 Foreign currency swaps Foreign currency exchange rate 1,475 55 — 602 82 — Foreign currency forwards Foreign currency exchange rate 450 — 65 1,336 10 89 Subtotal 6,475 1,312 600 6,081 1,445 556 Cash flow hedges: Interest rate swaps Interest rate 4,156 1 265 4,107 8 262 Interest rate forwards Interest rate 6,115 51 938 7,447 1 1,354 Foreign currency swaps Foreign currency exchange rate 43,906 2,457 1,509 42,608 3,554 1,699 Subtotal 54,177 2,509 2,712 54,162 3,563 3,315 NIFO hedges: Foreign currency forwards Foreign currency exchange rate 503 — 8 680 — 38 Currency options Foreign currency exchange rate 3,000 394 — 3,000 236 — Subtotal 3,503 394 8 3,680 236 38 Total qualifying hedges 64,155 4,215 3,320 63,923 5,244 3,909 Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate swaps Interest rate 29,801 1,497 1,102 31,661 1,660 1,354 Interest rate floors Interest rate 15,321 41 — 25,270 125 — Interest rate caps Interest rate 30,016 373 — 48,290 950 — Interest rate futures Interest rate 1,243 1 5 1,453 2 1 Interest rate options Interest rate 43,926 385 103 44,391 473 88 Interest rate forwards Interest rate 2,383 69 36 381 — 32 Synthetic GICs Interest rate 49,066 — — 46,316 — — Foreign currency swaps Foreign currency exchange rate 11,891 1,200 356 12,815 1,454 383 Foreign currency forwards Foreign currency exchange rate 14,128 310 806 16,195 544 661 Currency futures Foreign currency exchange rate 314 2 — 333 8 — Currency options Foreign currency exchange rate 50 — — — — — Credit default swaps — purchased Credit 2,877 3 79 2,925 18 79 Credit default swaps — written Credit 12,468 233 5 11,512 133 28 Equity futures Equity market 2,163 8 11 2,988 8 4 Equity index options Equity market 19,421 399 255 16,701 765 323 Equity variance swaps Equity market 99 — 2 163 4 1 Equity total return swaps Equity market 1,912 1 218 2,799 23 112 Total non-designated or nonqualifying derivatives 237,079 4,522 2,978 264,193 6,167 3,066 Total $ 301,234 $ 8,737 $ 6,298 $ 328,116 $ 11,411 $ 6,975 Included in the table above, the Company uses various OTC and exchange traded derivatives to hedge variable annuity guarantees. The table below presents the gross notional amount, estimated fair value and primary underlying risk exposure of the derivatives hedging variable annuity guarantees accounted for as MRBs: December 31, 2023 December 31, 2022 Primary Underlying Risk Exposure Gross Estimated Fair Value Gross Estimated Fair Value Assets Liabilities Assets Liabilities (In millions) Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate $ 9,096 $ 13 $ 663 $ 9,098 $ 41 $ 764 Foreign currency exchange rate 716 22 2 887 26 2 Equity market 5,189 77 373 8,829 233 381 $ 15,001 $ 112 $ 1,038 $ 18,814 $ 300 $ 1,147 The change in estimated fair values and earned income of derivatives hedging variable annuity guarantees, recorded in net derivative gains (losses), was ($596) million and ($640) million for the years ended December 31, 2023 and 2022, respectively. Based on gross notional amounts, a substantial portion of the Company’s derivatives was not designated or did not qualify as part of a hedging relationship at both December 31, 2023 and 2022. The Company’s use of derivatives includes (i) derivatives that serve as macro hedges of the Company’s exposure to various risks and that generally do not qualify for hedge accounting due to the criteria required under the portfolio hedging rules; (ii) derivatives that economically hedge insurance liabilities that contain mortality or morbidity risk and that generally do not qualify for hedge accounting because the lack of these risks in the derivatives cannot support an expectation of a highly effective hedging relationship; (iii) derivatives that economically hedge MRBs that do not qualify for hedge accounting because the changes in estimated fair value of the MRBs are already recorded in net income; and (iv) written credit default swaps and interest rate swaps that are used to synthetically create investments and that do not qualify for hedge accounting because they do not involve a hedging relationship. For these nonqualified derivatives, changes in market factors can lead to the recognition of fair value changes on the statement of operations without an offsetting gain or loss recognized in earnings for the item being hedged. The Effects of Derivatives on the Consolidated Statements of Operations and Comprehensive Income (Loss) The following table presents the consolidated financial statement location and amount of gain (loss) recognized on fair value, cash flow, NIFO, nonqualifying hedging relationships and embedded derivatives: Year Ended December 31, 2023 Net Net Net Policyholder Interest Other OCI (In millions) Gain (Loss) on Fair Value Hedges: Interest rate derivatives: Derivatives designated as hedging instruments (1) $ (3) $ — N/A $ — $ 29 $ — N/A Hedged items 3 — N/A (26) (31) — N/A Foreign currency exchange rate derivatives: Derivatives designated as hedging instruments (1) (39) (41) N/A — 20 — N/A Hedged items 38 33 N/A — (24) — N/A Amount excluded from the assessment of hedge effectiveness — (20) N/A — — — N/A Subtotal (1) (28) N/A (26) (6) — N/A Gain (Loss) on Cash Flow Hedges: Interest rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A $ 109 Amount of gains (losses) reclassified from AOCI into income 50 90 — — — — (140) Foreign currency exchange rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A (1,215) Amount of gains (losses) reclassified from AOCI into income 4 558 — — — 2 (564) Foreign currency transaction gains (losses) on hedged items — (547) — — — — — Credit derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A — Amount of gains (losses) reclassified from AOCI into income — 1 — — — — (1) Subtotal 54 102 — — — 2 (1,811) Gain (Loss) on NIFO Hedges: Foreign currency exchange rate derivatives (1) N/A 5 N/A N/A N/A N/A 226 Non-derivative hedging instruments N/A N/A N/A N/A N/A N/A 20 Subtotal N/A 5 N/A N/A N/A N/A 246 Gain (Loss) on Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate derivatives (1) — N/A (979) N/A N/A N/A N/A Foreign currency exchange rate derivatives (1) — N/A (1,443) N/A N/A N/A N/A Credit derivatives — purchased (1) — N/A (17) N/A N/A N/A N/A Credit derivatives — written (1) — N/A 135 N/A N/A N/A N/A Equity derivatives (1) (52) N/A (1,296) N/A N/A N/A N/A Foreign currency transaction gains (losses) on hedged items — N/A 366 N/A N/A N/A N/A Subtotal (52) N/A (3,234) N/A N/A N/A N/A Earned income on derivatives 178 — 1,055 4 (149) — — Synthetic GICs N/A N/A 75 N/A N/A N/A N/A Embedded derivatives N/A N/A (36) N/A N/A N/A N/A Total $ 179 $ 79 $ (2,140) $ (22) $ (155) $ 2 $ (1,565) Year Ended December 31, 2022 Net Net Net Policyholder Interest Other OCI (In millions) Gain (Loss) on Fair Value Hedges: Interest rate derivatives: Derivatives designated as hedging instruments (1) $ 9 $ — N/A $ (959) $ (254) $ — N/A Hedged items (9) — N/A 905 249 — N/A Foreign currency exchange rate derivatives: Derivatives designated as hedging instruments (1) 109 (220) N/A — — — N/A Hedged items (110) 217 N/A — — — N/A Amount excluded from the assessment of hedge effectiveness — 46 N/A — — — N/A Subtotal (1) 43 N/A (54) (5) — N/A Gain (Loss) on Cash Flow Hedges: Interest rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A $ (2,367) Amount of gains (losses) reclassified from AOCI into income 59 41 — — — 4 (104) Foreign currency exchange rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A 1,784 Amount of gains (losses) reclassified from AOCI into income 6 (609) — — — 1 602 Foreign currency transaction gains (losses) on hedged items — 587 — — — — — Credit derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A — Amount of gains (losses) reclassified from AOCI into income — — — — — — — Subtotal 65 19 — — — 5 (85) Gain (Loss) on NIFO Hedges: Foreign currency exchange rate derivatives (1) N/A N/A N/A N/A N/A N/A 85 Non-derivative hedging instruments N/A N/A N/A N/A N/A N/A 47 Subtotal N/A N/A N/A N/A N/A N/A 132 Gain (Loss) on Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate derivatives (1) 3 N/A (3,967) N/A N/A N/A N/A Foreign currency exchange rate derivatives (1) 2 N/A (372) N/A N/A N/A N/A Credit derivatives — purchased (1) — N/A 75 N/A N/A N/A N/A Credit derivatives — written (1) — N/A (92) N/A N/A N/A N/A Equity derivatives (1) 45 N/A 673 N/A N/A N/A N/A Foreign currency transaction gains (losses) on hedged items — N/A 282 N/A N/A N/A N/A Subtotal 50 N/A (3,401) N/A N/A N/A N/A Earned income on derivatives 376 — 1,029 112 (120) — — Synthetic GICs N/A N/A — N/A N/A N/A N/A Embedded derivatives N/A N/A 121 N/A N/A N/A N/A Total $ 490 $ 62 $ (2,251) $ 58 $ (125) $ 5 $ 47 Year Ended December 31, 2021 Net Net Net Policyholder Interest Other OCI (In millions) Gain (Loss) on Fair Value Hedges: Interest rate derivatives: Derivatives designated as hedging instruments (1) $ 6 $ — N/A $ (373) $ (83) $ — N/A Hedged items (6) — N/A 328 78 — N/A Foreign currency exchange rate derivatives: Derivatives designated as hedging instruments (1) 50 (191) N/A — — — N/A Hedged items (44) 185 N/A — — — N/A Amount excluded from the assessment of hedge effectiveness — — N/A — — — N/A Subtotal 6 (6) N/A (45) (5) — N/A Gain (Loss) on Cash Flow Hedges: Interest rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A $ (599) Amount of gains (losses) reclassified from AOCI into income 56 84 — — — 3 (143) Foreign currency exchange rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A 500 Amount of gains (losses) reclassified from AOCI into income 8 (403) — — — 2 393 Foreign currency transaction gains (losses) on hedged items — 401 — — — — — Credit derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A (14) Amount of gains (losses) reclassified from AOCI into income — — — — — — — Subtotal 64 82 — — — 5 137 Gain (Loss) on NIFO Hedges: Foreign currency exchange rate derivatives (1) N/A N/A N/A N/A N/A N/A 97 Non-derivative hedging instruments N/A N/A N/A N/A N/A N/A 42 Subtotal N/A N/A N/A N/A N/A N/A 139 Gain (Loss) on Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate derivatives (1) 2 N/A (2,041) N/A N/A N/A N/A Foreign currency exchange rate derivatives (1) — N/A (983) N/A N/A N/A N/A Credit derivatives — purchased (1) — N/A 9 N/A N/A N/A N/A Credit derivatives — written (1) — N/A 41 N/A N/A N/A N/A Equity derivatives (1) (56) N/A (1,580) N/A N/A N/A N/A Foreign currency transaction gains (losses) on hedged items — N/A 249 N/A N/A N/A N/A Subtotal (54) N/A (4,305) N/A N/A N/A N/A Earned income on derivatives 151 — 993 166 (121) — — Synthetic GICs N/A N/A — N/A N/A N/A N/A Embedded derivatives N/A N/A 55 — N/A N/A N/A Total $ 167 $ 76 $ (3,257) $ 121 $ (126) $ 5 $ 276 __________________ (1) Excludes earned income on derivatives. The Company designates and accounts for the following as fair value hedges when they have met the requirements of fair value hedging: (i) interest rate swaps to convert fixed rate assets and liabilities to floating rate assets and liabilities; (ii) foreign currency swaps to hedge the foreign currency fair value exposure of foreign currency denominated assets and liabilities; and (iii) foreign currency forwards to hedge the foreign currency fair value exposure of foreign currency denominated investments. The following table presents the balance sheet classification, carrying amount and cumulative fair value hedging adjustments for items designated and qualifying as hedged items in fair value hedges: Balance Sheet Line Item Carrying Amount Cumulative Amount December 31, 2023 December 31, 2022 December 31, 2023 December 31, 2022 (In millions) Fixed maturity securities AFS $ 454 $ 1,411 $ 3 $ 1 Mortgage loans $ 359 $ 331 $ (11) $ (19) Future policy benefits $ (2,863) $ (2,816) $ 191 $ 199 Policyholder account balances $ (1,911) $ (1,789) $ 25 $ 104 __________________ (1) Includes ($111) million and ($136) million of hedging adjustments on discontinued hedging relationships at December 31, 2023 and 2022, respectively. For the Company’s foreign currency forwards, the change in the estimated fair value of the derivative related to the changes in the difference between the spot price and the forward price is excluded from the assessment of hedge effectiveness. The Company has elected to record changes in estimated fair value of excluded components in earnings. For all other derivatives, all components of each derivative’s gain or loss were included in the assessment of hedge effectiveness. Cash Flow Hedges The Company designates and accounts for the following as cash flow hedges when they have met the requirements of cash flow hedging: (i) interest rate swaps to convert floating rate assets and liabilities to fixed rate assets and liabilities; (ii) foreign currency swaps to hedge the foreign currency cash flow exposure of foreign currency denominated assets and liabilities; (iii) interest rate forwards and credit forwards to lock in the price to be paid for forward purchases of investments; (iv) interest rate swaps and interest rate forwards to hedge the forecasted purchases of fixed rate investments; and (v) interest rate swaps and interest rate forwards to hedge forecasted fixed rate borrowings. In certain instances, the Company discontinued cash flow hedge accounting because the forecasted transactions were no longer probable of occurring. Because certain of the forecasted transactions also were not probable of occurring within two months of the anticipated date, the Company reclassified amounts from AOCI into income. These amounts were $31 million, $30 million and ($1) million for the years ended December 31, 2023, 2022 and 2021, respectively. At December 31, 2023 and 2022, the maximum length of time over which the Company was hedging its exposure to variability in future cash flows for forecasted transactions did not exceed five years and six years, respectively. At December 31, 2023 and 2022, the balance in AOCI associated with cash flow hedges was $166 million and $2.0 billion, respectively. All components of each derivative’s gain or loss were included in the assessment of hedge effectiveness. At December 31, 2023, the Company expected to reclassify $41 million of deferred net gains (losses) on derivatives in AOCI to earnings within the next 12 months. NIFO Hedges The Company uses foreign currency exchange rate derivatives, which may include foreign currency forwards and currency options, to hedge portions of its NIFO against adverse movements in exchange rates. The Company also designates a portion of its foreign-denominated debt as a non-derivative hedging instrument of its net investments in foreign operations. The Company assesses hedge effectiveness of its derivatives based upon the change in forward rates and assesses its non-derivative hedging instruments based upon the change in spot rates. All components of each derivative’s gain or loss were included in the assessment of hedge effectiveness. When net investments in foreign operations are sold or substantially liquidated, the amounts in AOCI are reclassified to the statement of operations. At December 31, 2023 and 2022, the cumulative foreign currency translation gain (loss) recorded in AOCI related to NIFO hedges was $681 million and $435 million, respectively. At December 31, 2023 and 2022, the carrying amount of debt designated as a non-derivative hedging instrument was $298 million and $318 million , respectively. See Note 16 for additional information on foreign-denominated debt. Credit Derivatives In connection with synthetically created credit investment transactions, the Company writes credit default swaps for which it receives a premium to insure credit risk. Such credit derivatives are included within the effects of derivatives on the consolidated statements of operations and comprehensive income (loss) table. If a credit event occurs, as defined by the contract, the contract may be cash settled or it may be settled gross by the Company paying the counterparty the specified swap notional amount in exchange for the delivery of par quantities of the referenced credit obligation. The Company can terminate these contracts at any time through cash settlement with the counterparty at an amount equal to the then current estimated fair value of the credit default swaps. The following table presents the estimated fair value, maximum amount of future payments and weighted average years to maturity of written credit default swaps at: December 31, 2023 2022 Rating Agency Designation of Referenced Estimated Maximum Weighted Estimated Maximum Weighted (Dollars in millions) Aaa/Aa/A Single name credit default swaps (3) $ 2 $ 150 1.6 $ 3 $ 158 2.2 Credit default swaps referencing indices 80 3,830 2.7 79 4,251 3.4 Subtotal 82 3,980 2.6 82 4,409 3.4 Baa Single name credit default swaps (3) 1 99 2.1 1 81 2.5 Credit default swaps referencing indices 145 8,188 5.4 28 6,775 5.6 Subtotal 146 8,287 5.3 29 6,856 5.5 Ba Single name credit default swaps (3) — 17 2.1 — 62 1.3 Credit default swaps referencing indices 2 25 3.0 2 25 4.0 Subtotal 2 42 2.6 2 87 2.1 B Credit default swaps referencing indices 2 129 5.0 2 130 4.7 Subtotal 2 129 5.0 2 130 4.7 Caa Credit default swaps referencing indices (4) 30 2.5

Fair Value

Fair Value	12 Months Ended
	Dec. 31, 2023
Fair Value Disclosures [Abstract]
Fair Value	13. Fair Value When developing estimated fair values, the Company considers three broad valuation approaches: (i) the market approach, (ii) the income approach, and (iii) the cost approach. The Company determines the most appropriate valuation approach to use, given what is being measured and the availability of sufficient inputs, giving priority to observable inputs. The Company categorizes its assets and liabilities measured at estimated fair value into a three-level hierarchy, based on the significant input with the lowest level in its valuation. The input levels are as follows: Level 1 Unadjusted quoted prices in active markets for identical assets or liabilities. The Company defines active markets based on average trading volume for equity securities. The size of the bid/ask spread is used as an indicator of market activity for fixed maturity securities AFS. Level 2 Quoted prices in markets that are not active or inputs that are observable either directly or indirectly. These inputs can include quoted prices for similar assets or liabilities other than quoted prices in Level 1, quoted prices in markets that are not active, or other significant inputs that are observable or can be derived principally from or corroborated by observable market data for substantially the full term of the assets or liabilities. Level 3 Unobservable inputs that are supported by little or no market activity and are significant to the determination of estimated fair value of the assets or liabilities. Unobservable inputs reflect the reporting entity’s own assumptions about the assumptions that market participants would use in pricing the asset or liability. Financial markets are susceptible to severe events evidenced by rapid depreciation in asset values accompanied by a reduction in asset liquidity. The Company’s ability to sell securities, as well as the price ultimately realized for these securities, depends upon the demand and liquidity in the market and increases the use of judgment in determining the estimated fair value of certain securities. Considerable judgment is often required in interpreting the market data used to develop estimates of fair value, and the use of different assumptions or valuation methodologies may have a material effect on the estimated fair value amounts. Recurring Fair Value Measurements The assets and liabilities measured at estimated fair value on a recurring basis and their corresponding placement in the fair value hierarchy, including those items for which the Company has elected the FVO, are presented below at: December 31, 2023 Fair Value Hierarchy Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: U.S. corporate $ — $ 67,003 $ 13,714 $ 80,717 Foreign corporate — 40,813 14,631 55,444 Foreign government — 45,438 51 45,489 U.S. government and agency 15,327 16,925 — 32,252 RMBS 3 27,495 1,598 29,096 ABS & CLO — 15,191 2,103 17,294 Municipals — 11,171 — 11,171 CMBS — 9,099 850 9,949 Total fixed maturity securities AFS 15,330 233,135 32,947 281,412 Equity securities 429 79 249 757 Unit-linked and FVO securities (1) 7,520 1,708 1,103 10,331 Short-term investments (2) 5,103 667 27 5,797 Other investments 48 363 975 1,386 Derivative assets: (3) Interest rate 1 3,674 — 3,675 Foreign currency exchange rate 2 4,393 23 4,418 Credit — 228 8 236 Equity market 8 393 7 408 Total derivative assets 11 8,688 38 8,737 Market risk benefits — — 286 286 Reinsured market risk benefits (4) — — 18 18 Separate account assets (5) 66,229 77,258 1,147 144,634 Total assets (6) $ 94,670 $ 321,898 $ 36,790 $ 453,358 Liabilities Derivative liabilities: (3) Interest rate $ 5 $ 2,805 $ 174 $ 2,984 Foreign currency exchange rate — 2,737 7 2,744 Credit — 84 — 84 Equity market 11 475 — 486 Total derivative liabilities 16 6,101 181 6,298 Embedded derivatives within liability host contracts (7) — — 93 93 Market risk benefits — — 3,179 3,179 Separate account liabilities (5) 4 4 — 8 Total liabilities $ 20 $ 6,105 $ 3,453 $ 9,578 December 31, 2022 Fair Value Hierarchy Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: U.S. corporate $ — $ 67,578 $ 12,452 $ 80,030 Foreign corporate — 40,623 11,949 52,572 Foreign government — 46,644 103 46,747 U.S. government and agency 15,955 16,274 — 32,229 RMBS 4 24,515 1,646 26,165 ABS & CLO — 14,895 1,927 16,822 Municipals — 12,152 — 12,152 CMBS — 9,367 696 10,063 Total fixed maturity securities AFS 15,959 232,048 28,773 276,780 Equity securities 1,293 132 259 1,684 Unit-linked and FVO securities (1) 7,101 1,780 787 9,668 Short-term investments (2) 3,830 686 57 4,573 Other investments — 206 926 1,132 Derivative assets: (3) Interest rate 2 4,570 — 4,572 Foreign currency exchange rate 8 5,670 210 5,888 Credit — 69 82 151 Equity market 8 785 7 800 Total derivative assets 18 11,094 299 11,411 Market risk benefits — — 280 280 Reinsured market risk benefits (4) — — 23 23 Separate account assets (5) 65,107 79,703 1,228 146,038 Total assets (6) $ 93,308 $ 325,649 $ 32,632 $ 451,589 Liabilities Derivative liabilities: (3) Interest rate $ 1 $ 3,153 $ 404 $ 3,558 Foreign currency exchange rate — 2,820 50 2,870 Credit — 92 15 107 Equity market 4 436 — 440 Total derivative liabilities 5 6,501 469 6,975 Embedded derivatives within liability host contracts (7) — — 17 17 Market risk benefits — — 3,763 3,763 Separate account liabilities (5) 8 15 18 41 Total liabilities $ 13 $ 6,516 $ 4,267 $ 10,796 __________________ (1) Unit-linked and FVO securities were primarily comprised of Unit-linked investments at both December 31, 2023 and 2022. (2) Short-term investments as presented in the tables above differ from the amounts presented on the consolidated balance sheets because certain short-term investments are not measured at estimated fair value on a recurring basis. (3) Derivative assets are presented within other invested assets on the consolidated balance sheets and derivative liabilities are presented within other liabilities on the consolidated balance sheets. The amounts are presented gross in the tables above to reflect the presentation on the consolidated balance sheets, but are presented net for purposes of the rollforward in the Fair Value Measurements Using Significant Unobservable Inputs (Level 3) tables. (4) Reinsured MRBs are presented within premiums, reinsurance and other receivables on the consolidated balance sheets. (5) Investment performance related to separate account assets is fully offset by corresponding amounts credited to contractholders whose liability is reflected within separate account liabilities. Separate account liabilities are set equal to the estimated fair value of separate account assets. Separate account liabilities presented in the tables above represent derivative liabilities. (6) Total assets included in the fair value hierarchy exclude OLPI that are measured at estimated fair value using the net asset value (“NAV”) per share (or its equivalent) practical expedient. At December 31, 2023 and 2022, the estimated fair value of such investments was $52 million and $65 million, respectively. (7) Embedded derivatives within liability host contracts are presented within PABs and other liabilities on the consolidated balance sheets. The following describes the valuation methodologies used to measure assets and liabilities at fair value. Investments Securities, Short-term Investments and Other Investments When available, the estimated fair value of these financial instruments is based on quoted prices in active markets that are readily and regularly obtainable. Generally, these are the most liquid of the Company’s securities holdings and valuation of these securities does not involve management’s judgment. When quoted prices in active markets are not available, the determination of estimated fair value of securities is based on market standard valuation methodologies, giving priority to observable inputs. The significant inputs to the market standard valuation methodologies for certain types of securities with reasonable levels of price transparency are inputs that are observable in the market or can be derived principally from, or corroborated by, observable market data. When observable inputs are not available, the market standard valuation methodologies rely on inputs that are significant to the estimated fair value that are not observable in the market or cannot be derived principally from, or corroborated by, observable market data. These unobservable inputs can be based, in large part, on management’s judgment or estimation and cannot be supported by reference to market activity. Unobservable inputs are based on management’s assumptions about the inputs market participants would use in pricing such investments. The estimated fair value of short-term investments and other investments is determined on a basis consistent with the methodologies described herein. The valuation approaches and key inputs for each category of assets or liabilities that are classified within Level 2 and Level 3 of the fair value hierarchy are presented below. The primary valuation approaches are the market approach, which considers recent prices from market transactions involving identical or similar assets or liabilities, and the income approach, which converts expected future amounts (e.g., cash flows) to a single current, discounted amount. The valuation of most instruments listed below is determined using independent pricing sources, matrix pricing, discounted cash flow methodologies or other similar techniques that use either observable market inputs or unobservable inputs. Instrument Level 2 Observable Inputs Level 3 Unobservable Inputs Fixed maturity securities AFS U.S. corporate and Foreign corporate securities Valuation Approaches: Principally the market and income approaches. Valuation Approaches: Principally the market approach. Key Inputs: Key Inputs: • quoted prices in markets that are not active • illiquidity premium • benchmark yields; spreads off benchmark yields; new issuances; issuer ratings • delta spread adjustments to reflect specific credit-related issues • trades of identical or comparable securities; duration • credit spreads • privately-placed securities are valued using the additional key inputs: • quoted prices in markets that are not active for identical or similar securities that are less liquid and based on lower levels of trading activity than securities classified in Level 2 • market yield curve; call provisions • observable prices and spreads for similar public or private securities that incorporate the credit quality and industry sector of the issuer • independent non-binding broker quotations • delta spread adjustments to reflect specific credit-related issues Foreign government securities, U.S. government and agency securities and Municipals Valuation Approaches: Principally the market approach. Valuation Approaches: Principally the market approach. Key Inputs: Key Inputs: • quoted prices in markets that are not active • independent non-binding broker quotations • benchmark U.S. Treasury yield or other yields • quoted prices in markets that are not active for identical or similar securities that are less liquid and based on lower levels of trading activity than securities classified in Level 2 • the spread off the U.S. Treasury yield curve for the identical security • issuer ratings and issuer spreads; broker-dealer quotations • credit spreads • comparable securities that are actively traded Structured Products Valuation Approaches: Principally the market and income approaches. Valuation Approaches: Principally the market and income approaches. Key Inputs: Key Inputs: • quoted prices in markets that are not active • credit spreads • spreads for actively traded securities; spreads off benchmark yields • quoted prices in markets that are not active for identical or similar securities that are less liquid and based on lower levels of trading activity than securities classified in Level 2 • expected prepayment speeds and volumes • current and forecasted loss severity; ratings; geographic region • independent non-binding broker quotations • weighted average coupon and weighted average maturity • credit ratings • average delinquency rates; DSCR • credit ratings • issuance-specific information, including, but not limited to: • collateral type; structure of the security; vintage of the loans • payment terms of the underlying assets • payment priority within the tranche; deal performance Instrument Level 2 Observable Inputs Level 3 Unobservable Inputs Equity securities Valuation Approaches: Principally the market approach. Valuation Approaches: Principally the market and income approaches. Key Input: Key Inputs: • quoted prices in markets that are not considered active • credit ratings; issuance structures • quoted prices in markets that are not active for identical or similar securities that are less liquid and based on lower levels of trading activity than securities classified in Level 2 • independent non-binding broker quotations Unit-linked and FVO securities, Short-term investments and Other investments Valuation Approaches: Principally the market and income approaches. Valuation Approaches: Principally the market and income approaches. Key Inputs: Key Inputs: • Unit-linked and FVO securities include mutual fund interests without readily determinable fair values given prices are not published publicly. Valuation of these mutual funds is based upon quoted prices or reported NAV provided by the fund managers, which were based on observable inputs. • Unit-linked and FVO securities, short-term investments and other investments are of a similar nature and class to the fixed maturity securities AFS and equity securities described above; accordingly, the valuation approaches and unobservable inputs used in their valuation are also similar to those described above. Other investments also include certain REJV and use the valuation approach and key inputs as described for OLPI below. • Short-term investments and other investments are of a similar nature and class to the fixed maturity securities AFS and equity securities described above; accordingly, the valuation approaches and observable inputs used in their valuation are also similar to those described above. Separate account assets and Separate account liabilities (1) Mutual funds and hedge funds without readily determinable fair values as prices are not published publicly Key Input: • N/A • quoted prices or reported NAV provided by the fund managers OLPI • N/A Valued giving consideration to the underlying holdings of the partnerships and adjusting, if appropriate. Key Inputs: • liquidity; bid/ask spreads; performance record of the fund manager • other relevant variables that may impact the exit value of the particular partnership interest __________________ (1) Estimated fair value equals carrying value, based on the value of the underlying assets, including: mutual fund interests, fixed maturity securities, equity securities, derivatives, hedge funds, OLPI, short-term investments and cash and cash equivalents. The estimated fair value of fixed maturity securities, equity securities, derivatives, short-term investments and cash and cash equivalents is determined on a basis consistent with the assets described under “— Securities, Short-term Investments and Other Investments” and “— Derivatives — Freestanding Derivatives.” Derivatives The estimated fair value of derivatives is determined through the use of quoted market prices for exchange-traded derivatives, or through the use of pricing models for OTC-bilateral and OTC-cleared derivatives. The determination of estimated fair value, when quoted market values are not available, is based on market standard valuation methodologies and inputs that management believes are consistent with what other market participants would use when pricing such instruments. Derivative valuations can be affected by changes in interest rates, foreign currency exchange rates, financial indices, credit spreads, default risk, nonperformance risk, volatility, liquidity and changes in estimates and assumptions used in the pricing models. The significant inputs to the pricing models for most OTC-bilateral and OTC-cleared derivatives are inputs that are observable in the market or can be derived principally from, or corroborated by, observable market data. With respect to certain OTC-bilateral and OTC-cleared derivatives, management may rely on inputs that are significant to the estimated fair value that are not observable in the market or cannot be derived principally from, or corroborated by, observable market data. These unobservable inputs may involve significant management judgment or estimation. Unobservable inputs are based on management’s assumptions about the inputs market participants would use in pricing such derivatives. Most inputs for OTC-bilateral and OTC-cleared derivatives are mid-market inputs but, in certain cases, liquidity adjustments are made when they are deemed more representative of exit value. Market liquidity, as well as the use of different methodologies, assumptions and inputs, may have a material effect on the estimated fair values of the Company’s derivatives and could materially affect net income. The credit risk of both the counterparty and the Company is considered in determining the estimated fair value for all OTC-bilateral and OTC-cleared derivatives, and any potential credit adjustment is based on the net exposure by counterparty after taking into account the effects of netting agreements and collateral arrangements. The Company values its OTC-bilateral and OTC-cleared derivatives using standard swap curves which may include a spread to the risk-free rate, depending upon specific collateral arrangements. This credit spread is appropriate for those parties that execute trades at pricing levels consistent with similar collateral arrangements. As the Company and its significant derivative counterparties generally execute trades at such pricing levels and hold sufficient collateral, additional credit risk adjustments are not currently required in the valuation process. The Company’s ability to consistently execute at such pricing levels is, in part, due to the netting agreements and collateral arrangements that are in place with all of its significant derivative counterparties. An evaluation of the requirement to make additional credit risk adjustments is performed by the Company each reporting period. Freestanding Derivatives Level 2 Valuation Approaches and Key Inputs: This level includes all types of derivatives utilized by the Company with the exception of exchange-traded derivatives included within Level 1 and those derivatives with unobservable inputs as described in Level 3. Level 3 Valuation Approaches and Key Inputs: These valuation methodologies generally use the same inputs as described in the corresponding sections for Level 2 measurements of derivatives. However, these derivatives result in Level 3 classification because one or more of the significant inputs are not observable in the market or cannot be derived principally from, or corroborated by, observable market data. Freestanding derivatives are principally valued using the income approach. Valuations of non-option-based derivatives utilize present value techniques, whereas valuations of option-based derivatives utilize option pricing models. Key inputs are as follows: Instrument Interest Rate Foreign Currency Credit Equity Market Inputs common to Level 2 and Level 3 by instrument type • swap yield curves • swap yield curves • swap yield curves • swap yield curves • basis curves • basis curves • credit curves • spot equity index levels • interest rate volatility (1) • currency spot rates • recovery rates • dividend yield curves • cross currency basis curves • equity volatility (1) • currency volatility (1) Level 3 • swap yield curves (2) • swap yield curves (2) • swap yield curves (2) • dividend yield curves (2) • basis curves (2) • basis curves (2) • credit curves (2) • equity volatility (1), (2) • repurchase rates • cross currency basis curves (2) • credit spreads • correlation between model inputs (1) • interest rate volatility (1), (2) • currency correlation • repurchase rates • currency volatility (1) • independent non-binding broker quotations __________________ (1) Option-based only. (2) Extrapolation beyond the observable limits of the curve(s). Embedded Derivatives Embedded derivatives principally include equity-indexed annuity contracts and investment risk within funds withheld related to certain reinsurance agreements. Embedded derivatives are recorded at estimated fair value with changes in estimated fair value reported in net income. The estimated fair value of the embedded derivatives within funds withheld related to certain ceded reinsurance is determined based on the change in estimated fair value of the underlying assets held by the Company in a reference portfolio backing the funds withheld liability. The estimated fair value of the underlying assets is determined as described in “— Investments — Securities, Short-term Investments and Other Investments.” The estimated fair value of these embedded derivatives is included, along with their funds withheld hosts, in other liabilities on the consolidated balance sheets with changes in estimated fair value recorded in net derivative gains (losses). Changes in the credit spreads on the underlying assets, interest rates and market volatility may result in significant fluctuations in the estimated fair value of these embedded derivatives that could materially affect net income. The estimated fair value of the embedded equity indexed derivatives, based on the present value of future equity returns to the policyholder using actuarial and present value assumptions including expectations concerning policyholder behavior, is calculated by the Company’s actuarial department. The calculation is based on in-force business and uses standard capital market techniques, such as Black-Scholes, to calculate the value of the portion of the embedded derivative for which the terms are set. The portion of the embedded derivative covering the period beyond where terms are set is calculated as the present value of amounts expected to be spent to provide equity indexed returns in those periods. The valuation of these embedded derivatives also includes the establishment of a risk margin, as well as changes in nonperformance risk. Market Risk Benefits See Note 6 for information on the Company’s valuation approaches and key inputs for MRBs. Transfers between Levels Overall, transfers between levels occur when there are changes in the observability of inputs and market activity. Transfers into or out of Level 3: Assets and liabilities are transferred into Level 3 when a significant input cannot be corroborated with market observable data. This occurs when market activity decreases significantly and underlying inputs cannot be observed, current prices are not available, and/or when there are significant variances in quoted prices, thereby affecting transparency. Assets and liabilities are transferred out of Level 3 when circumstances change such that a significant input can be corroborated with market observable data. This may be due to a significant increase in market activity, a specific event, or one or more significant input(s) becoming observable. Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) The following table presents certain quantitative information about the significant unobservable inputs used in the fair value measurement, and the sensitivity of the estimated fair value to changes in those inputs, for the more significant asset and liability classes measured at fair value on a recurring basis using significant unobservable inputs (Level 3) at: December 31, 2023 December 31, 2022 Impact of Valuation Techniques Significant Range Weighted Range Weighted Fixed maturity securities AFS (3) U.S. corporate and foreign corporate • Matrix pricing • Offered quotes (4) 4 - 131 93 — - 126 87 Increase • Market pricing • Quoted prices (4) — - 110 92 20 - 109 90 Increase • Consensus pricing • Offered quotes (4) 86 - 102 96 5 - 99 93 Increase RMBS • Market pricing • Quoted prices (4) — - 112 93 — - 106 93 Increase (5) ABS & CLO • Market pricing • Quoted prices (4) 3 - 101 93 3 - 102 91 Increase (5) Derivatives Interest rate • Present value techniques • Swap yield (6) 367 - 399 385 372 - 392 381 Increase (7) Foreign currency exchange rate • Present value techniques • Swap yield (6) 185 - 399 193 74 - 1,938 208 Increase (7) Credit • Present value techniques • Credit spreads (8) — - — — 84 - 138 101 Decrease (7) • Consensus pricing • Offered quotes (9) Market Risk Benefits and Reinsured Market Risk Benefits Direct, assumed and ceded guaranteed minimum benefits • Option pricing techniques • Mortality rates: Ages 0 - 40 0% - 0.15% 0.05% 0% - 0.15% 0.05% (10) Ages 41 - 60 0.04% - 0.75% 0.22% 0.05% - 0.75% 0.20% (10) Ages 61 - 115 0% - 100% 1.23% 0.23% - 100% 1.44% (10) • Lapse rates: Durations 1 - 10 0.39% - 20.10% 8.72% 0.40% - 37.50% 8.96% Decrease (11) Durations 11 - 20 0.39% - 15% 4.34% 0.49% - 35.75% 6.52% Decrease (11) Durations 21 - 116 0.10% - 15% 4.59% 0.49% - 35.75% 2.89% Decrease (11) • Utilization rates 0.20% - 22% 0.44% 0.20% - 22% 0.38% Increase (12) • Withdrawal rates 0% - 20% 4.47% 0% - 20% 4.02% (13) • Long-term equity volatilities 8.05% - 21.85% 18.55% 8.26% - 22.01% 18.49% Increase (14) • Nonperformance risk spread 0.38% - 1.59% 0.73% 0.34% - 1.77% 0.75% Decrease (15) __________________ (1) The weighted average for fixed maturity securities AFS and derivatives is determined based on the estimated fair value of the securities and derivatives. The weighted average for MRBs is determined based on a combination of account values and experience data. (2) The impact of a decrease in input would have resulted in the opposite impact on estimated fair value. For MRBs, changes to direct and assumed guaranteed minimum benefits are based on liability positions; changes to ceded guaranteed minimum benefits are based on asset positions. (3) Significant increases (decreases) in expected default rates in isolation would have resulted in substantially lower (higher) valuations. (4) Range and weighted average are presented in accordance with the market convention for fixed maturity securities AFS of dollars per hundred dollars of par. (5) Changes in the assumptions used for the probability of default would have been accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumptions used for prepayment rates. (6) Ranges represent the rates across different yield curves and are presented in basis points. The swap yield curves are utilized among different types of derivatives to project cash flows, as well as to discount future cash flows to present value. Since this valuation methodology uses a range of inputs across a yield curve to value the derivative, presenting a range is more representative of the unobservable input used in the valuation. (7) Changes in estimated fair value are based on long U.S. dollar net asset positions and will be inversely impacted for short U.S. dollar net asset positions. (8) Represents the risk quoted in basis points of a credit default event on the underlying instrument. Credit derivatives with significant unobservable inputs are primarily comprised of written credit default swaps. (9) At December 31, 2023 and 2022, independent non-binding broker quotations were used in the determination of less than 1% and 1%, respectively, of the total net derivative estimated fair value. (10) Mortality rates vary by age and by demographic characteristics such as gender. Mortality rate assumptions are based on company experience. A mortality improvement assumption is also applied. For any given contract, mortality rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. For contracts that contain only a GMDB, any increase (decrease) in mortality rates result in an increase (decrease) in the estimated fair value of MRBs. Generally, for contracts that contain both a GMDB and a living benefit (e.g., GMIB, GMWB, GMAB), any increase (decrease) in mortality rates result in a decrease (increase) in the estimated fair value of MRBs. (11) Base lapse rates are adjusted at the contract level based on a comparison of the actuarially calculated guaranteed values and the current policyholder account value, as well as other factors, such as the applicability of any surrender charges. A dynamic lapse function reduces the base lapse rate when the guaranteed amount is greater than the account value as in the money contracts are less likely to lapse. Lapse rates are also generally assumed to be lower in periods when a surrender charge applies. For any given contract, lapse rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. (12) The utilization rate assumption estimates the percentage of contractholders with GMIBs or a lifetime withdrawal benefit who will elect to utilize the benefit upon becoming eligible. The rates may vary by the type of guarantee, the amount by which the guaranteed amount is greater than the account value, the contract’s withdrawal history and by the age of the policyholder. For any given contract, utilization rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. (13) The withdrawal rate represents the percentage of account balance that any given policyholder will elect to withdraw from the contract each year. The withdrawal rate assumption varies by age and duration of the contract, and also by other factors such as benefit type. For any given contract, withdrawal rates vary throughout the period over which cash flows are projected for purposes of valuing the MRB. For GMWBs, any increase (decrease) in withdrawal rates results in an increase (decrease) in the estimated fair value of the guarantees. For GMABs and GMIBs, any increase (decrease) in withdrawal rates results in a decrease (increase) in the estimated fair value. (14) Long-term equity volatilities represent equity volatility beyond the period for which observable equity volatilities are available. For any given contract, long-term equity volatility rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. (15) Nonperformance risk spread varies by duration and by currency. For any given contract, multiple nonperformance risk spreads will apply, depending on the duration of the cash flow being discounted for purposes of valuing the MRBs. All other classes of securities classified within Level 3, including those within Unit-linked and FVO securities, Other investments, Separate account assets, and Embedded derivatives within funds withheld related to certain ceded reinsurance, use the same valuation techniques and significant unobservable inputs as previously described for Level 3 securities. Generally, all other classes of assets and liabilities classified within Level 3 that are not included above use the same valuation techniques and significant unobservable inputs as previously described for Level 3. The sensitivity of the estimated fair value to changes in the significant unobservable inputs for these other assets and liabilities is similar in nature to that described in the preceding table. The valuation techniques and significant unobservable inputs used in the fair value measurement for the more significant assets measured at estimated fair value on a nonrecurring basis and determined using significant unobservable inputs (Level 3) are summarized in “— Nonrecurring Fair Value Measurements.” The following tables summarize the change of all assets (liabilities) measured at estimated fair value on a recurring basis using significant unobservable inputs (Level 3): Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Fixed Maturity Securities AFS Corporate (6) Foreign Structured Equity Unit-linked and FVO (In millions) Balance, January 1, 2022 $ 25,435 $ 91 $ 5,871 $ 151 $ 901 Total realized/unrealized gains (losses) included in net income (loss) (1), (2) (7) (38) 29 16 (133) Total realized/unrealized gains (losses) included in AOCI (6,221) (13) (478) — — Purchases (3) 5,273 36 967 108 28 Sales (3) (1,762) (9) (984) (14) (24) Issuances (3) — — — — — Settlements (3) — — — — — Transfers into Level 3 (4) 2,127 46 251 — 23 Transfers out of

Leases Leases

Leases Leases	12 Months Ended
	Dec. 31, 2023
Leases [Abstract]
Lessee, Operating Leases	14. Leases The Company, as lessee, has entered into various lease and sublease agreements primarily for office space. The Company has operating leases with remaining lease terms of less than one year to 14 years. The remaining lease terms for the subleases are less than one year to seven years. ROU Assets and Lease Liabilities ROU assets and lease liabilities for operating leases were: December 31, 2023 December 31, 2022 (In millions) ROU assets $ 1,061 $ 961 Lease liabilities $ 1,231 $ 1,147 Lease Costs The components of operating lease costs were as follows: Years Ended December 31, 2023 2022 2021 (In millions) Operating lease cost $ 244 $ 246 $ 271 Variable lease cost $ 52 $ 45 $ 32 Sublease income $ (95) $ (103) $ (99) Net lease cost $ 201 $ 188 $ 204 The Company recognized lease ROU asset impairment charges of $5 million, $10 million, and $29 million for the years ended December 31, 2023, 2022 and 2021, respectively. Other Information Supplemental other information related to operating leases was as follows: December 31, 2023 December 31, 2022 (Dollars in millions) Cash paid for amounts included in the measurement of lease liability - operating cash flows $ 253 $ 249 ROU assets obtained in exchange for new lease liabilities $ 242 $ 58 Weighted-average remaining lease term 8 years 6 years Weighted-average discount rate 4.4 % 3.5 % Maturities of Lease Liabilities Maturities of operating lease liabilities were as follows: December 31, 2023 (In millions) 2024 $ 246 2025 225 2026 203 2027 168 2028 121 Thereafter 526 Total undiscounted cash flows 1,489 Less: interest 258 Present value of lease liability $ 1,231 See Notes 11 and 16 for information about the Company’s investments in leased real estate and financing lease obligations.

Goodwill

Goodwill	12 Months Ended
	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	15. Goodwill Information regarding goodwill by segment, as well as Corporate & Other, was as follows: Group Benefits (1) RIS (1) Asia (2) Latin EMEA MetLife Corporate Total (In millions) Balance at January 1, 2021 Goodwill $ 1,158 $ 912 $ 4,763 $ 1,143 $ 1,146 $ 1,567 $ 103 $ 10,792 Accumulated impairment — — — — — (680) — (680) Total goodwill, net 1,158 912 4,763 1,143 1,146 887 103 10,112 Effect of foreign currency translation and other — — (211) (166) (200) — — (577) Balance at December 31, 2021 Goodwill 1,158 912 4,552 977 946 1,567 103 10,215 Accumulated impairment — — — — — (680) — (680) Total goodwill, net 1,158 912 4,552 977 946 887 103 9,535 Acquisitions — — — — — — 40 40 Effect of foreign currency translation and other — — (243) 3 (38) — — (278) Balance at December 31, 2022 Goodwill 1,158 912 4,309 980 908 1,567 143 9,977 Accumulated impairment — — — — — (680) — (680) Total goodwill, net 1,158 912 4,309 980 908 887 143 9,297 Acquisitions — — — — — — 30 30 Effect of foreign currency translation and other — — (95) (4) 8 — — (91) Balance at December 31, 2023 Goodwill 1,158 912 4,214 976 916 1,567 173 9,916 Accumulated impairment — — — — — (680) — (680) Total goodwill, net $ 1,158 $ 912 $ 4,214 $ 976 $ 916 $ 887 $ 173 $ 9,236 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) Includes goodwill of $4.1 billion, $4.2 billion and $4.4 billion from the Company’s Japan operations at December 31, 2023, 2022 and 2021, respectively.

Long-term and Short-term Debt

Long-term and Short-term Debt	12 Months Ended
	Dec. 31, 2023
Debt Disclosure [Abstract]
Long-term and Short-term Debt	16. Long-term and Short-term Debt Long-term and short-term debt outstanding was as follows: December 31, Interest Rates (1) 2023 2022 Range Maturity Face Unamortized Carrying Face Unamortized Carrying (In millions) Senior notes 0.50 % - 6.50% 2024 - 2054 $ 14,622 $ (106) $ 14,516 $ 13,671 $ (83) $ 13,588 Surplus notes 7.63 % - 7.88% 2024 - 2025 507 — 507 507 (1) 506 Other notes 2.03 % - 8.43% 2024 - 2028 495 (2) 493 500 (3) 497 Financing lease obligations 32 — 32 56 — 56 Total long-term debt 15,656 (108) 15,548 14,734 (87) 14,647 Total short-term debt 119 — 119 175 — 175 Total $ 15,775 $ (108) $ 15,667 $ 14,909 $ (87) $ 14,822 __________________ (1) Range of interest rates are for the year ended December 31, 2023. The aggregate maturities of long-term debt at December 31, 2023 for the next five years and thereafter are $1.8 billion in 2024, $1.3 billion in 2025, $180 million in 2026, $52 million in 2027, $348 million in 2028 and $11.9 billion thereafter. Financing lease obligations are collateralized and rank highest in priority, followed by unsecured senior notes and other notes, and then subordinated debt which consists of junior subordinated debt securities (see Note 18). Payments of interest and principal on the Company’s surplus notes, which are subordinate to all other obligations of the operating company issuing the notes and are senior to obligations of MetLife, Inc., may be made only with the prior approval of the insurance department of the state of domicile of the issuer of the notes. The Company’s collateral financing arrangement (see Note 17) is supported by surplus notes of a subsidiary and, accordingly, has priority consistent with surplus notes. Certain of the Company’s debt instruments and committed facilities, as well as its $3.0 billion unsecured revolving credit facility (the “Credit Facility”), contain various administrative, reporting, legal and financial covenants. The Company believes it was in compliance with all applicable financial covenants at December 31, 2023. Senior Notes In July 2023, MetLife, Inc. issued $1.0 billion of senior notes due July 2033 which bear interest at a fixed rate of 5.375%, payable semi-annually. In connection with the issuance, MetLife, Inc. incurred $6 million of related costs which will be amortized over the term of the senior notes. In February 2023, MetLife, Inc. redeemed for cash and canceled $1.0 billion aggregate principal amount of its outstanding 4.368% senior notes due September 2023. In January 2023, MetLife, Inc. issued $1.0 billion of senior notes due January 2054 which bear interest at a fixed rate of 5.250%, payable semi-annually. In connection with the issuance, MetLife, Inc. incurred $11 million of related costs which will be amortized over the term of the senior notes. In July 2022, MetLife, Inc. issued $1.0 billion of senior notes due July 2052 which bear interest at a fixed rate of 5.00%, payable semi-annually. In connection with the issuance, MetLife, Inc. incurred $11 million of related costs which will be amortized over the term of the senior notes. In July 2021, MetLife, Inc. redeemed for cash and canceled $500 million aggregate principal amount of its outstanding 3.048% senior notes due December 2022. The Company recorded a premium of $17 million paid in excess of the debt principal and accrued and unpaid interest to other expenses for the year ended December 31, 2021. Short-term Debt Short-term debt with maturities of one year or less was as follows: December 31, 2023 2022 (Dollars in millions) Commercial paper $ — $ 99 Short-term borrowings (1) 119 76 Total short-term debt $ 119 $ 175 Average daily balance $ 142 $ 237 Average days outstanding 65 days 157 days __________________ (1) Includes $115 million and $76 million at December 31, 2023 and 2022, respectively, of short-term debt related to repurchase agreements, secured by assets of subsidiaries. For the years ended December 31, 2023, 2022 and 2021, the weighted average interest rate on short-term debt was 8.63%, 5.23% and 1.41%, respectively. Interest Expense Interest expense included in other expenses was $740 million, $655 million and $647 million for the years ended December 31, 2023, 2022 and 2021, respectively. Such amounts do not include interest expense on long-term debt related to the collateral financing arrangement or junior subordinated debt securities. See Notes 17 and 18. Credit and Committed Facilities At December 31, 2023, the Company maintained the Credit Facility, as well as certain committed facilities aggregating $3.2 billion (the “Committed Facilities”). When drawn upon, these facilities bear interest at varying rates in accordance with the respective agreements. Credit Facility The Company’s Credit Facility is used for general corporate purposes, to support the borrowers’ commercial paper programs and for the issuance of letters of credit. Total fees associated with the Credit Facility were $6 million, $8 million and $10 million for the years ended December 31, 2023, 2022 and 2021, respectively, and were included in other expenses. Information on the Credit Facility at December 31, 2023 was as follows: Borrower(s) Expiration Maximum Letters of Drawdowns Unused (In millions) MetLife, Inc. and MetLife Funding, Inc. May 2028 (1) $ 3,000 $ 297 $ — $ 2,703 __________________ (1) In May 2023, the Credit Facility was amended and restated to, among other things, extend the maturity date. All borrowings under the Credit Facility must be repaid by May 8, 2028, except that letters of credit outstanding on that date may remain outstanding until no later than May 8, 2029. Committed Facilities Letters of credit issued under the Committed Facilities are used for collateral for certain of the Company’s affiliated reinsurance liabilities. Total fees associated with the Committed Facilities, included in other expenses, were $9 million, $9 million and $12 million for the years ended December 31, 2023, 2022 and 2021, respectively. Information on the Committed Facilities at December 31, 2023 was as follows: Account Party/Borrower(s) Expiration Maximum Letters of Drawdowns Unused (In millions) MetLife Reinsurance Company of Vermont and MetLife, Inc. November 2026 (1), (2) $ 350 $ 350 $ — $ — MetLife Reinsurance Company of Vermont and MetLife, Inc. December 2037 (1), (3) 2,896 2,499 — 397 Total $ 3,246 $ 2,849 $ — $ 397 __________________ (1) MetLife, Inc. is a guarantor under the applicable facility. (2) The issuance of additional letters of credit is at the discretion of the counterparty. (3) Capacity at December 31, 2023 of $2.9 billion decreases gradually between 2025 and 2037 to $2.0 billion, and the facility expires in December 2037. Unused commitment of $397 million is based on maximum capacity. At December 31, 2023, Brighthouse Financial, Inc. and its subsidiaries (“Brighthouse”), a former subsidiary of MetLife, Inc., is a beneficiary of $2.5 billion of letters of credit issued under this facility and, in consideration, Brighthouse reimburses MetLife, Inc. for a portion of the letter of credit fees.

Collateral Financing Arrangemen

Collateral Financing Arrangements	12 Months Ended
	Dec. 31, 2023
Secured Debt [Abstract]
Collateral Financing Arrangements	17. Collateral Financing Arrangement Information related to the collateral financing arrangement associated with the closed block (See Note 10) was as follows at: December 31, 2023 2022 (In millions) Surplus notes outstanding (1) $ 637 $ 716 Receivable from unaffiliated financial institution (1) $ 85 $ 93 Pledged collateral (2) $ 10 $ 43 Assets held in trust (2) $ 1,397 $ 1,369 __________________ (1) At carrying value. (2) At estimated fair value. Interest expense on the collateral financing arrangement was $44 million, $22 million and $11 million for the years ended December 31, 2023, 2022 and 2021, respectively, which is included in other expenses. In December 2007, MLIC reinsured a portion of its closed block liabilities to MetLife Reinsurance Company of Charleston (“MRC”), a wholly-owned subsidiary of MetLife, Inc. In connection with this transaction, MRC issued, to investors placed by an unaffiliated financial institution, $2.5 billion in aggregate principal amount of 35-year surplus notes to provide statutory reserve support for the assumed closed block liabilities. Interest on the surplus notes accrued at an annual rate of three-month LIBOR plus 0.55%, payable quarterly. For interest periods that commenced after June 30, 2023, the three-month LIBOR rate was replaced with the CME Term Secured Overnight Financing Rate (“SOFR”) published for a three-month tenor plus a spread adjustment of 0.26161%. The ability of MRC to make interest and principal payments on the surplus notes is contingent upon South Carolina regulatory approval. Simultaneously with the issuance of the surplus notes, MetLife, Inc. entered into an agreement with the unaffiliated financial institution, under which MetLife, Inc. received interest payable by MRC on the surplus notes in exchange for the payment of three-month LIBOR plus 1.12%, payable quarterly on such amount as adjusted, as described below. For interest periods that commenced after June 30, 2023, the three-month LIBOR rate under the agreement was replaced with compounded SOFR calculated in arrears plus a spread adjustment of 0.26161%. MetLife, Inc. may also be required to pledge collateral or make payments to the unaffiliated financial institution related to any decline in the estimated fair value of the surplus notes. Any such payments are accounted for as a receivable and included in other assets on the Company’s consolidated balance sheets and do not reduce the principal amount outstanding of the surplus notes. Such payments, however, reduce the amount of interest payments due from MetLife, Inc. under the agreement. Any payment received from the unaffiliated financial institution reduces the receivable by an amount equal to such payment and also increases the amount of interest payments due from MetLife, Inc. under the agreement. In addition, the unaffiliated financial institution may be required to pledge collateral to MetLife, Inc. related to any increase in the estimated fair value of the surplus notes. For the years ended December 31, 2023, 2022 and 2021, following regulatory approval, MRC repurchased $79 million, $50 million and $79 million, respectively, in aggregate principal amount of the surplus notes. Payments made by the Company in 2023, 2022 and 2021 associated with the repurchases were exclusive of accrued interest on the surplus notes. In connection with the repurchases for the years ended December 31, 2023, 2022 and 2021, the Company received payments in the aggregate amount of $8 million, $7 million and $10 million, respectively, from the unaffiliated financial institution, which reduced the amount receivable from the unaffiliated financial institution by the same amounts. No other payments related to an increase or decrease in the estimated fair value of the surplus notes were made by MetLife, Inc. or received from the unaffiliated financial institution for the years ended December 31, 2023, 2022 or 2021. A majority of the proceeds from the offering of the surplus notes was placed in a trust, which is consolidated by the Company, to support MRC’s statutory obligations associated with the assumed closed block liabilities. The assets are principally invested in fixed maturity securities AFS and are presented as such within the Company’s consolidated balance sheets, with the related income included within net investment income on the Company’s consolidated statements of operations.

Junior Subordinated Debt Securi

Junior Subordinated Debt Securities	12 Months Ended
	Dec. 31, 2023
Junior Subordinated Notes [Abstract]
Junior Subordinated Debt Securities	18. Junior Subordinated Debt Securities Outstanding Junior Subordinated Debt Securities Outstanding junior subordinated debt securities and exchangeable surplus trust securities which are exchangeable for junior subordinated debt securities prior to redemption or repayment, were as follows: December 31, 2023 2022 Issuer Issue Interest Scheduled Interest Rate Final Face Unamortized Carrying Face Unamortized Carrying (In millions) MetLife, Inc. December 2006 6.400% December 2036 SOFR + 0.26161% + 2.205% December 2066 $ 1,250 $ (14) $ 1,236 $ 1,250 $ (15) $ 1,235 MetLife Capital Trust IV (3) December 2007 7.875% December 2037 SOFR + 0.26161% + 3.960% December 2067 700 (12) 688 700 (13) 687 MetLife, Inc. April 2008 9.250% April 2038 SOFR + 0.26161% + 5.540% April 2068 750 (8) 742 750 (9) 741 MetLife, Inc. July 2009 10.750% August 2039 SOFR + 0.26161% + 7.548% August 2069 500 (5) 495 500 (5) 495 Total $ 3,200 $ (39) $ 3,161 $ 3,200 $ (42) $ 3,158 _________________ (1) Prior to the scheduled redemption date, interest is payable semiannually in arrears. (2) In the event the securities are not redeemed on or before the scheduled redemption date, interest will accrue after such date at an annual rate based on the three-month CME Term SOFR plus 0.26161% and the indicated margin, payable quarterly in arrears. (3) MetLife Capital Trust IV is a VIE which is consolidated on the financial statements of the Company. The securities issued by this entity are exchangeable surplus trust securities, which are exchangeable for a like amount of MetLife, Inc.’s junior subordinated debt securities on the scheduled redemption date, mandatorily under certain circumstances, and at any time upon MetLife, Inc. exercising its option to redeem the securities. In connection with each of the securities described above, MetLife, Inc. may redeem or may cause the redemption of the securities (i) in whole or in part, at any time on or after the date five years prior to the scheduled redemption date at their principal amount plus accrued and unpaid interest to, but excluding, the date of redemption, or (ii) in certain circumstances, in whole or in part, prior to the date five years prior to the scheduled redemption date at their principal amount plus accrued and unpaid interest to, but excluding, the date of redemption or, if greater, a make-whole price. MetLife, Inc. also has the right to, and in certain circumstances the requirement to, defer interest payments on the securities for a period up to 10 years. Interest compounds during such periods of deferral. If interest is deferred for more than five consecutive years, MetLife, Inc. is required to use proceeds from the sale of its common stock or warrants on common stock to satisfy this interest payment obligation. In connection with each of the securities described above, MetLife, Inc. entered into a separate replacement capital covenant (“RCC”). As part of each RCC, MetLife, Inc. agreed that it will not repay, redeem, or purchase the securities on or before a date 10 years prior to the final maturity date of each issuance, unless, subject to certain limitations, it has received cash proceeds during a specified period from the sale of specified replacement securities. Each RCC will terminate upon the occurrence of certain events, including an acceleration of the applicable securities due to the occurrence of an event of default. The RCCs are not intended for the benefit of holders of the securities and may not be enforced by them. Rather, each RCC is for the benefit of the holders of a designated series of MetLife, Inc.’s other indebtedness (the “Covered Debt”). Initially, the Covered Debt for each of the securities described above was MetLife, Inc.’s 5.700% senior notes due 2035 (the “5.700% Senior Notes”). As a result of the issuance of MetLife, Inc.’s 10.750% Fixed-to-Floating Rate Junior Subordinated Debentures due 2069 (the “10.750% JSDs”), the 10.750% JSDs became the Covered Debt with respect to, and in accordance with, the terms of the RCC relating to MetLife, Inc.’s 6.40% Fixed-to-Floating Rate Junior Subordinated Debentures due 2066. The 5.700% Senior Notes continue to be the Covered Debt with respect to, and in accordance with, the terms of the RCCs relating to each of MetLife Capital Trust IV’s 7.875% Fixed-to-Floating Rate Exchangeable Surplus Trust Securities, MetLife, Inc.’s 9.250% Fixed-to-Floating Rate Junior Subordinated Debentures and the 10.750% JSDs. MetLife, Inc. also entered into a replacement capital obligation which will commence during the six-month period prior to the scheduled redemption date of each of the securities described above and under which MetLife, Inc. must use reasonable commercial efforts to raise replacement capital to permit repayment of the securities through the issuance of certain qualifying capital securities. Interest expense on outstanding junior subordinated debt securities was $261 million for each of the years ended December 31, 2023, 2022 and 2021, which is included in other expenses.

Equity

Equity	12 Months Ended
	Dec. 31, 2023
Equity [Abstract]
Equity	19. Equity Preferred Stock Preferred stock authorized, issued and outstanding was as follows at both December 31, 2023 and 2022: Series Shares Authorized Shares Issued and Outstanding Series A preferred stock 27,600,000 24,000,000 Series D preferred stock 500,000 500,000 Series E preferred stock 32,200 32,200 Series F preferred stock 40,000 40,000 Series G preferred stock 1,000,000 1,000,000 Series A Junior Participating Preferred Stock 10,000,000 — Not designated 160,827,800 — Total 200,000,000 25,572,200 In May 2021, MetLife, Inc. delivered a notice of redemption to the holders of MetLife, Inc.’s 5.25% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series C (the “Series C preferred stock”) pursuant to which it would redeem the remaining 500,000 shares of Series C preferred stock at a redemption price of $1,000 per share. In connection with the redemption, MetLife, Inc. recognized a preferred stock redemption premium of $6 million (calculated as the difference between the carrying value of the Series C preferred stock and the total amount paid by MetLife, Inc. to the holders of the Series C preferred stock in connection with the redemption), which was recorded as a reduction of retained earnings at June 30, 2021. All outstanding shares of Series C preferred stock were redeemed on the dividend payment date of June 15, 2021 for an aggregate redemption price of $500 million in cash. In June 2021, MetLife, Inc. filed a Certificate of Elimination (the “Certificate of Elimination”) of Series C preferred stock with the Secretary of State of the State of Delaware to eliminate all references to the Series C preferred stock in MetLife, Inc.’s Amended and Restated Certificate of Incorporation (the “Certificate of Incorporation”), including the related Certificate of Designations. As a result of the filing of the Certificate of Elimination, MetLife, Inc.’s Certificate of Incorporation was amended to eliminate all references therein to the Series C preferred stock, and the shares that were designated to such series were returned to the status of authorized but unissued shares of preferred stock, par value $0.01 per share, of MetLife, Inc., without designation as to series. The Certificate of Elimination does not affect the total number of authorized shares of capital stock of MetLife, Inc. or the total number of authorized shares of preferred stock. The outstanding preferred stock ranks senior to MetLife, Inc.’s common stock with respect to the payment of dividends and distributions upon liquidation, dissolution or winding-up. Holders of the outstanding preferred stock are entitled to receive dividend payments only when, as and if declared by MetLife, Inc.’s Board of Directors or a duly authorized committee thereof. Dividends on the preferred stock are not cumulative or mandatory. Accordingly, if dividends are not declared on the preferred stock of the applicable series for any dividend period, then any accrued dividends for that dividend period will cease to accrue and be payable. If a dividend is not declared before the dividend payment date for any such dividend period, MetLife, Inc. will have no obligation to pay dividends accrued for such dividend period whether or not dividends are declared for any future period. No dividends may be paid or declared on MetLife, Inc.’s common stock (or any other securities ranking junior to the preferred stock) and MetLife, Inc. may not purchase, redeem, or otherwise acquire its common stock (or other such junior stock) unless the full dividends for the latest completed dividend period on all outstanding shares of preferred stock, and any parity stock, have been declared and paid or provided for. The table below presents the dividend rates of MetLife, Inc.’s preferred stock outstanding at December 31, 2023: Series Per Annum Dividend Rate A Three-month CME Term SOFR plus a spread adjustment of 0.26161% + 1.000%, with floor of 4.000%, payable quarterly in March, June, September and December D 5.875% from issuance date to, but excluding, March 15, 2028, payable semiannually in March and September; three-month CME Term SOFR plus a spread adjustment of 0.26161% + 2.959% payable quarterly in March, June, September and December, thereafter E 5.625% from issuance date, payable quarterly in March, June, September and December F 4.750% from issuance date, payable quarterly in March, June, September and December G 3.850% from issuance date, but excluding, September 15, 2025, payable semiannually in March and September commencing in March 2021; five year treasury rate, reset every five years, + 3.576% payable semiannually in March and September, thereafter In the table above, dividends on each series of preferred stock are payable in arrears for the periods specified, if declared. MetLife, Inc. is prohibited from declaring dividends on the Floating Rate Non-Cumulative Preferred Stock, Series A (the “Series A preferred stock”) if it fails to meet specified capital adequacy, net income and stockholders’ equity levels. See “— Dividend Restrictions — MetLife, Inc.” Holders of the preferred stock do not have voting rights except in certain circumstances, including where the dividends have not been paid for a specified number of dividend payment periods whether or not those periods are consecutive. Under such circumstances, the holders of the preferred stock have certain voting rights with respect to members of the Board of Directors of MetLife, Inc. The preferred stock is not subject to any mandatory redemption, sinking fund, retirement fund, purchase fund or similar provisions. The Series A preferred stock is redeemable at MetLife, Inc.’s option in whole or in part, at a redemption price of $25 per share of Series A preferred stock, plus declared and unpaid dividends. MetLife, Inc. may, at its option, redeem the 5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D (the “Series D preferred stock”), (i) in whole but not in part at any time prior to March 15, 2028, within 90 days after the occurrence of a “rating agency event,” at a redemption price equal to $1,020 per share of Series D preferred stock, plus an amount equal to any dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, such redemption date; (ii) in whole but not in part, at any time prior to March 15, 2028, within 90 days after the occurrence of a “regulatory capital event;” and (iii) in whole or in part, at any time or from time to time, on or after March 15, 2028, in the case of (ii) or (iii), at a redemption price equal to $1,000 per share of Series D preferred stock, plus an amount equal to any dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, such redemption date. MetLife, Inc. may, at its option, redeem the 5.625% Non-Cumulative Preferred Stock, Series E (the “Series E preferred stock”), in whole or in part, at any time or from time to time at a redemption price equal to $25,000 per share of Series E preferred stock (equivalent to $25 per depositary share, each Series E depositary share representing a 1/1,000th interest in a share of the Series E preferred stock), plus an amount equal to any dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, such redemption date. MetLife, Inc. may, at its option, redeem the 4.75% Non-Cumulative Preferred Stock, Series F (the “Series F preferred stock”), (i) in whole but not in part at any time prior to March 15, 2025, within 90 days after the occurrence of a “rating agency event,” at a redemption price equal to $25,500 per share of Series F preferred stock (equivalent to $25.50 per Series F Depositary Share), plus an amount equal to any accrued and unpaid dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, the redemption date, (ii) in whole but not in part, at any time prior to March 15, 2025, within 90 days after the occurrence of a “regulatory capital event;” and (iii) in whole or in part, at any time or from time to time, on or after March 15, 2025, in the case of (ii) or (iii), at a redemption price equal to $25,000 per share of Series F preferred stock (equivalent to $25 per Series F Depositary Share), plus an amount equal to any dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, such redemption date. MetLife, Inc. may, at its option, redeem the 3.85% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G (the “Series G preferred stock”), (a) in whole but not in part, at any time, within 90 days after the conclusion of any review or appeal process instituted by the Company following the occurrence of a “rating agency event” or, in the absence of any such review or appeal process, from such “rating agency event,” at a redemption price equal to $1,020 per share of Series G preferred stock, plus an amount equal to any dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, such redemption date and (b)(i) in whole but not in part, at any time, within 90 days after the occurrence of a “regulatory capital event,” or (ii) in whole or in part, on any dividend payment date, on or after September 15, 2025, in each case, at a redemption price equal to $1,000 per share of Series G preferred stock, plus an amount equal to any dividends per share that have accrued but have not been declared and paid for the then-current dividend period to, but excluding, such redemption date. A “rating agency event” means that any nationally recognized statistical rating organization that then publishes a rating for MetLife, Inc. amends, clarifies or changes the criteria used to assign equity credit to securities like the Series D preferred stock, Series E preferred stock, Series F preferred stock or Series G preferred stock, which results in the lowering of the equity credit assigned to the security, or shortens the length of time that the security is assigned a particular level of equity credit. A “regulatory capital event” could occur as a result of a change or proposed change in laws, rules, regulations or regulatory standards, including capital adequacy rules (or the interpretation or application thereof) of the United States or any political subdivision thereof, including any capital regulator, including but not limited to the Board of Governors of the Federal Reserve System (the “Federal Reserve Board”), the Federal Insurance Office, the National Association of Insurance Commissioners (“NAIC”) or any state insurance regulator as may then have group-wide oversight of MetLife, Inc.’s regulatory capital, from those laws, rules, regulations or regulatory standards (or the interpretation or application thereof) in effect as of March 22, 2018, in the case of the Series D preferred stock, June 4, 2018, in the case of the Series E preferred stock, January 15, 2020, in the case of the Series F preferred stock, or September 10, 2020, in the case of the Series G preferred stock, that would create a more than insubstantial risk, as determined by MetLife, Inc., that the security would not be treated as “Tier 1 capital” or as capital with attributes similar to those of Tier 1 capital, except that a “regulatory capital event” will not include a change or proposed change (or the interpretation or application thereof) that would result in the adoption of any criteria substantially the same as the criteria in the capital adequacy rules of the Federal Reserve Board applicable to bank holding companies as of March 22, 2018, in the case of the Series D preferred stock, June 4, 2018, in the case of the Series E preferred stock, January 15, 2020, in the case of the Series F preferred stock, or September 10, 2020, in the case of the Series G preferred stock. The per share and aggregate dividends declared for MetLife, Inc.’s preferred stock were as follows: Years Ended December 31, 2023 2022 2021 Series Per Share Aggregate Per Share Aggregate Per Share Aggregate (In millions, except per share data) A $ 1.577 $ 37 $ 1.033 $ 24 $ 1.015 $ 24 C (1) $ — — $ — — $ 19.085 10 D $ 58.750 29 $ 58.750 29 $ 58.750 29 E $ 1,406.252 45 $ 1,406.252 45 $ 1,406.252 45 F $ 1,187.500 48 $ 1,187.500 48 $ 1,187.500 48 G $ 38.500 39 $ 38.500 39 $ 39.035 39 Total $ 198 $ 185 $ 195 __________________ (1) Dividends were paid through the dividend payment date of June 15, 2021, when all outstanding shares of Series C preferred stock were redeemed and eliminated. Common Stock Issuances For the years ended December 31, 2023, 2022 and 2021, MetLife, Inc. issued 1,992,180 shares, 3,290,998 shares and 4,926,185 shares of its common stock for $110 million, $156 million and $195 million, respectively, in connection with stock option exercises and other stock-based awards. There were no shares of common stock issued from treasury stock for any of the years ended December 31, 2023, 2022 or 2021. Repurchase Authorizations MetLife, Inc. announced that its Board of Directors authorized common stock repurchases as follows: Authorization Remaining at Announcement Date Authorization Amount December 31, 2023 (In millions) May 25, 2023 $ 1,000 $ 1,000 May 3, 2023 $ 3,000 $ 1,102 May 4, 2022 $ 3,000 $ — August 4, 2021 $ 3,000 $ — Under these authorizations, MetLife, Inc. may purchase its common stock from the MetLife Policyholder Trust, in the open market (including pursuant to the terms of a pre-set trading plan meeting the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934), and in privately negotiated transactions. Common stock repurchases are subject to the discretion of MetLife, Inc.’s Board of Directors and will depend upon the Company’s capital position, liquidity, financial strength and credit ratings, general market conditions, the market price of MetLife, Inc.’s common stock compared to management’s assessment of the stock’s underlying value, applicable regulatory approvals, and other legal and accounting factors. For the years ended December 31, 2023, 2022 and 2021, MetLife, Inc. repurchased 50,269,483 shares, 49,732,851 shares and 72,296,518 shares under these repurchase authorizations for $3.1 billion, $3.3 billion, and $4.3 billion, respectively. The Inflation Reduction Act, signed into law on August 16, 2022, imposes a one percent excise tax, net of any allowable offsets, on certain corporate stock buybacks made after December 31, 2022. Neither the authorization remaining, nor the amount repurchased, at December 31, 2023 reflects the $30 million of applicable excise tax payable in connection with such repurchases for the year ended December 31, 2023. The $30 million of excise tax is reflected in treasury stock as part of the cost basis of the common stock repurchased, and a corresponding liability for the excise tax payable was recorded in other liabilities. At December 31, 2021, $25 million of the aforementioned 2021 share repurchases were included in other liabilities, and settled in 2022. Dividends For each of the years ended December 31, 2023, 2022 and 2021, MetLife, Inc. paid dividends on its common stock of $1.6 billion. The payment of dividends by MetLife, Inc. to its shareholders is subject to restrictions. See “— Dividend Restrictions — MetLife, Inc.” The funding of the cash dividends and operating expenses of MetLife, Inc. is primarily provided by cash dividends from MetLife, Inc.’s insurance subsidiaries. The statutory capital and surplus, or net assets, of MetLife, Inc.’s insurance subsidiaries are subject to regulatory restrictions except to the extent that dividends are allowed to be paid in a given year without prior regulatory approval. Dividends exceeding these limitations can generally be made subject to regulatory approval. The nature and amount of these dividend restrictions, as well as the statutory capital and surplus of MetLife, Inc.’s U.S. insurance subsidiaries, are disclosed in “— Statutory Equity and Income” and “— Dividend Restrictions — Insurance Operations.” MetLife, Inc.’s principal non-U.S. insurance operations are branches or subsidiaries of American Life Insurance Company (“American Life”), a U.S. insurance subsidiary of the Company. Stock-Based Compensation Plans Plans for Employees and Agents Under the MetLife, Inc. 2015 Stock and Incentive Compensation Plan (the “2015 Stock Plan”), MetLife, Inc. may grant awards to employees and agents in the form of Stock Options, Stock Appreciation Rights, Performance Shares or Performance Share Units, Restricted Stock or Restricted Stock Units, Cash-Based Awards and Stock-Based Awards (each, as applicable, as defined in the 2015 Stock Plan with reference to shares of MetLife, Inc. common stock (“Shares”)). Awards under the 2015 Stock Plan and its predecessor plan, the MetLife, Inc. 2005 Stock and Incentive Compensation Plan (the “2005 Stock Plan”), were outstanding at December 31, 2023. MetLife, Inc. granted all awards to employees and agents in 2023 under the 2015 Stock Plan. The aggregate number of Shares available for issuance under the 2015 Stock Plan at December 31, 2023 was 30,627,419. MetLife recognizes compensation expense related to each award under the 2005 Stock Plan or 2015 Stock Plan in one of two ways: • For cash-settled awards, MetLife remeasures the compensation expense quarterly. • For other awards, MetLife recognizes an expense based on the number of awards it expects to vest, which represents the awards granted less expected forfeitures over the life of the award, as estimated at the date of grant. Unless MetLife observes a material deviation from the assumed forfeiture rate during the term in which the awards are expensed, MetLife recognizes any adjustment necessary to reflect differences in actual experience in the period the award becomes payable or exercisable. Compensation expense related to awards under the 2005 Stock Plan principally relates to the issuance of Stock Options. Under the 2015 Stock Plan, compensation expense principally relates to Stock Options, Unit Options, Performance Shares, Performance Units, Restricted Stock Units and Restricted Units. MetLife, Inc. granted the majority of each year’s awards under the 2005 Stock Plan prior to 2015, and under the 2015 Stock Plan in 2015 and later in the first quarter of the year. Awards that have become payable in Shares but the issuance of which has been deferred (“Deferred Shares”), payable to employees or agents related to awards under all plans equaled 642,768 Shares at December 31, 2023. MetLife granted cash-settled awards based in whole or in part on the price of Shares or changes in the price of Shares (“Phantom Stock-Based Awards”) under the MetLife, Inc. International Unit Option Incentive Plan, the MetLife International Performance Unit Incentive Plan, and the MetLife International Restricted Unit Incentive Plan prior to 2015, and under the 2015 Stock Plan in 2015 and later. Plans for Non-Management Directors Under the MetLife, Inc. 2015 Non-Management Director Stock Compensation Plan (the “2015 Director Stock Plan”), MetLife, Inc. may grant non-management Directors of MetLife, Inc. awards in the form of nonqualified Stock Options, Stock Appreciation Rights, Restricted Stock or Restricted Stock Units, or Stock-Based Awards (each, as applicable, as defined in the 2015 Director Stock Plan with reference to Shares). The only awards MetLife, Inc. granted under the 2015 Director Stock Plan and its predecessor plan, the MetLife, Inc. 2005 Non-Management Director Stock Compensation Plan (the “2005 Director Stock Plan”), through December 31, 2023 were Stock-Based Awards that vested immediately. As a result, no awards under the 2005 Director Stock Plan or 2015 Director Stock Plan remained outstanding at December 31, 2023. The aggregate number of Shares available for issuance under the 2015 Director Stock Plan at December 31, 2023 was 1,419,598. MetLife recognizes compensation expense related to awards under the 2015 Director Stock Plan based on the number of Shares awarded. Deferred Shares payable to Directors related to awards under the 2005 Director Stock Plan, 2015 Director Stock Plan, or earlier applicable plans equaled 348,977 Shares at December 31, 2023. Compensation Expense Related to Stock-Based Compensation The components of compensation expense related to stock-based compensation includes compensation expense related to Phantom Stock-Based Awards and excludes the insignificant compensation expense related to the 2015 Director Stock Plan. Those components were: Years Ended December 31, 2023 2022 2021 (In millions) Stock Options and Unit Options $ 7 $ 7 $ 9 Performance Shares and Performance Units (1) 98 108 98 Restricted Stock Units and Restricted Units 66 69 66 Total compensation expense $ 171 $ 184 $ 173 Income tax benefit $ 36 $ 39 $ 36 __________________ (1) The Company may further adjust the number of Performance Shares and Performance Units it expects to vest, and the related compensation expense, if management changes its estimate of the most likely final performance factor. The following table presents the total unrecognized compensation expense related to stock-based compensation and the expected weighted average period over which these expenses will be recognized at: December 31, 2023 Expense Weighted Average (In millions) (Years) Stock Options $ 3 1.77 Performance Shares $ 28 1.68 Restricted Stock Units $ 36 1.94 Equity Awards Stock Options Stock Options are the contingent right of award holders to purchase Shares at a stated price for a limited time. All Stock Options have an exercise price equal to the closing price of a Share reported on the New York Stock Exchange (“NYSE”) on the date of grant and have a maximum term of 10 years. The majority of Stock Options that MetLife, Inc. has granted have become or will become exercisable at a rate of one-third of each award on each of the first three Stock Option Activity A summary of the activity related to Stock Options was as follows: Shares Weighted Weighted Aggregate (Years) (In millions) Outstanding at January 1, 2023 3,386,041 $ 49.24 5.58 $ 78 Granted 405,544 $ 71.73 Exercised (250,757) $ 43.54 Expired (2) (6,491) $ 65.52 Forfeited (3) (34,331) $ 68.22 Outstanding at December 31, 2023 3,500,006 $ 52.04 5.21 $ 53 Vested and expected to vest at December 31, 2023 3,491,957 $ 52.00 5.20 $ 53 Exercisable at December 31, 2023 2,709,467 $ 47.34 4.26 $ 51 __________________ (1) The intrinsic value of each Stock Option is the closing price on a particular date less the exercise price of the Stock Option, so long as the difference is greater than zero. The aggregate intrinsic value of all outstanding Stock Options is computed using the closing Share price on December 31, 2023 of $66.13 and December 31, 2022 of $72.37, as applicable. (2) Expired options were exercisable, but unexercised, as of their expiration date. (3) Forfeited awards were either (a) unvested or unexercisable at the end of the awardholder’s employment, where the awardholder did not meet the criteria for post-employment award continuation; or (b) held by awardholders the Company terminated from employment for cause as defined in the terms of the awards. MetLife estimates the fair value of Stock Options on the date of grant using a binomial lattice model. The significant assumptions the Company uses in its binomial lattice model include: expected volatility of the price of Shares; risk-free rate of return; dividend yield on Shares; exercise multiple; and the post-vesting termination rate. MetLife bases expected volatility on an analysis of historical prices of Shares and call options on Shares traded on the open market. The Company uses a weighted-average of the implied volatility for publicly-traded call options with the longest remaining maturity nearest to the money as of each valuation date and the historical volatility, calculated using monthly closing prices of Shares. The Company chose a monthly measurement interval for historical volatility as this interval reflects the Company’s view that employee option exercise decisions are based on longer-term trends in the price of the underlying Shares rather than on daily price movements. The Company’s binomial lattice model incorporates different risk-free rates based on the imputed forward rates for U.S. Treasury Strips for each year over the contractual term of the option. The table below presents the full range of rates that were used for options granted during the respective periods. The Company determines dividend yield based on historical dividend distributions compared to the price of the underlying Shares as of the valuation date and held constant over the life of the Stock Option. The Company’s binomial lattice model incorporates the term of the Stock Options, expected exercise behavior and a post-vesting termination rate, or the rate at which vested options are exercised or expire prematurely due to termination of employment. From these factors, the model derives an expected life of the Stock Option. The model’s exercise behavior is a multiple that reflects the ratio of stock price at the time of exercise over the exercise price of the Stock Option at the time the model expects holders to exercise. The model derives the exercise multiple from actual exercise activity. The model determines the post-vesting termination rate from actual exercise experience and expiration activity under the Incentive Plans. The following table presents the weighted average assumptions, with the exception of risk-free rate (which is expressed as a range), that the model uses to determine the fair value of unexercised Stock Options: Years Ended December 31, 2023 2022 2021 Dividend yield 2.79% 2.78% 3.20% Risk-free rate of return 5.02% - 3.47% 1.17% - 1.97% 0.08% - 2.48% Expected volatility 25.73% 26.67% 29.72% Exercise multiple 1.45 1.45 1.44 Post-vesting termination rate 3.47% 3.58% 3.58% Contractual term (years) 10 10 10 Expected life (years) 6 6 7 Weighted average exercise price of stock options granted $71.73 $68.96 $57.43 Weighted average fair value of stock options granted $17.56 $15.18 $12.76 The following table presents a summary of Stock Option exercise activity: Years Ended December 31, 2023 2022 2021 (In millions) Total intrinsic value of stock options exercised $ 6 $ 40 $ 60 Cash received from exercise of stock options $ 11 $ 48 $ 119 Income tax benefit realized from stock options exercised $ 1 $ 8 $ 13 Performance Shares Performance Shares are units that, if they vest, are multiplied by a performance factor to produce a number of final Shares payable. MetLife accounts for Performance Shares as equity awards. MetLife, Inc. does not credit Performance Shares with dividend-equivalents for dividends paid on Shares. Performance Share awards normally vest in their entirety at the end of the three-year performance period. Vesting is subject to continued service, except for employees who meet specified age and service criteria and in certain other limited circumstances. For awards granted for the 2019 – 2021 and later performance periods in progress through December 31, 2023, the vested Performance Shares will be multiplied by a performance factor of 0% to 175% that the MetLife, Inc. Compensation Committee will determine by (a) the Company’s annual adjusted return on equity performance over the three-year period compared to the Company’s three-year business plan goal; (b) the Company’s total shareholder return over the same three-year period compared to a peer group of companies; and (c) a cap of 100% if the Company’s total shareholder return for the three-year period is zero or less. The Compensation Committee will exclude the impact of a “Significant Event” from the Company’s adjusted return on equity or the business plan goal, to the extent the Committee determines in its informed judgment that the event changed the adjusted return on equity performance factor component. “Significant Events” include accounting changes, business combinations, restructuring, nonrecurring tax events, common share issuance or repurchases, catastrophes, litigation and regulatory settlements, asbestos and environmental events, certain specified classes of non-coupon investments, and other significant nonrecurring, infrequent, or unusual items. The performance factor for the 2020 - 2022 performance period was 156.3%. Restricted Stock Units Restricted Stock Units are units that, if they vest, are payable in an equal number of Shares. MetLife accounts for Restricted Stock Units as equity awards. MetLife, Inc. does not credit Restricted Stock Units with dividend-equivalents for dividends paid on Shares. Accordingly, the estimated fair value of Restricted Stock Units is based upon the closing price of Shares on the date of grant, reduced by the present value of estimated dividends to be paid on that stock. The majority of Restricted Stock Units normally vest in thirds on or shortly after the first three anniversaries of their grant date. Other Restricted Stock Units normally vest in their entirety on the third or later anniversary of their grant date. Vesting is subject to continued service, except for employees who meet specified age and service criteria and in certain other limited circumstances. Performance Share and Restricted Stock Unit Activity The following table presents a summary of Performance Share and Restricted Stock Unit activity: Performance Shares Restricted Stock Units Shares Weighted Units Weighted Outstanding at January 1, 2023 3,206,738 $ 51.26 1,999,964 $ 53.62 Granted 998,687 $ 65.68 959,434 $ 64.85 Forfeited (2) (116,526) $ 59.49 (65,491) $ 61.38 Payable (3) (1,175,401) $ 41.90 (1,044,290) $ 49.17 Outstanding at December 31, 2023 2,913,498 $ 59.65 1,849,617 $ 61.68 Vested and expected to vest at December 31, 2023 2,872,871 $ 59.58 1,814,816 $ 61.67 __________________ (1) Values for awards outstanding at January 1, 2023, represent weighted average number of awards multiplied by their fair value per Share at December 31, 2022. Otherwise, all values represent weighted average of number of awards multiplied by the fair value per Share at December 31, 2023. Fair value of Performance Shares and Restricted Stock Units on December 31, 2023 was equal to Grant Date fair value. (2) Forfeited awards were either (a) unvested or unexercisable at the end of the awardholder’s employment, where the awardholder did not meet the criteria for post-employment award continuation; or (b) held by awardholders the Company terminated from employment for cause as defined in the terms of the awards. (3) Includes both Shares paid and Deferred Shares. Performance Share amounts above represent aggregate awards at target, and do not reflect potential increases or decreases that may result from the performance factor. At December 31, 2023, the performance period for the 2021 - 2023 Performance Share grants was completed, but the performance factor had not yet been determined. Included in the immediately preceding table are 1,048,303 outstanding Performance Shares to which the 2021 - 2023 performance factor will be applied. Liability Awards (Phantom Stock-Based Awards) Certain MetLife subsidiaries have a liability for Phantom Stock-Based Awards in the form of Unit Options, Performance Units, and/or Restricted Units. These Share-based cash settled awards are recorded as liabilities until MetLife makes payment. The fair value of unsettled or unvested liability awards is re-measured at the end of each reporting period based on the change in fair value of one Share. The liability and corresponding expense are adjusted accordingly until the award is settled. Unit Options Unit Options are the contingent right of award holders to receive a cash payment equal to the closing price of a Share on the exercise date, less the closing price on the grant date, if the difference is greater than zero, for a limited time. All Unit Options have an exercise price equal to the closing price of a Share reported on the NYSE on the date of grant and have a maximum term of 10 years. The majority of Unit Options have become or will become eligible for exercise at a rate of one-third of each award on each of the first three anniversaries of the grant date. Other Unit Options have become or will become eligible for exercise on the third anniversary of the grant date. Vesting is subject to continued service, except for employees who meet specified age and service criteria and in certain other limited circumstances. Performance Un

Other Revenues and Other Expens

Other Revenues and Other Expenses	12 Months Ended
	Dec. 31, 2023
Other Income and Expenses [Abstract]
Other Revenues and Other Expenses Disclosure	20. Other Revenues and Other Expenses Other Revenues Information on other revenues, which primarily includes fees related to service contracts from customers, was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Vision fee for service arrangements $ 598 $ 566 $ 546 Prepaid legal plans 516 471 432 Fee-based investment management 408 396 363 Administrative services-only contracts 259 238 231 Recordkeeping and administrative services (1) 150 168 213 Other revenue from service contracts from customers 298 271 289 Total revenues from service contracts from customers 2,229 2,110 2,074 Other 297 520 545 Total other revenues $ 2,526 $ 2,630 $ 2,619 __________________ (1) Related to products and businesses no longer actively marketed by the Company. Receivables related to revenues from service contracts from customers were $243 million and $226 million as of December 31, 2023 and 2022, respectively. Other Expenses Information on other expenses was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Employee-related costs (1) $ 3,626 $ 3,520 $ 3,515 Third party staffing costs 1,477 1,573 1,423 General and administrative expenses 828 669 670 Pension, postretirement and postemployment benefit costs 246 98 147 Premium taxes, other taxes, and licenses & fees 660 608 629 Commissions and other variable expenses 5,819 5,265 5,463 Capitalization of DAC (2,917) (2,614) (2,751) Amortization of DAC and VOBA 1,952 1,831 2,037 Amortization of negative VOBA (26) (29) (35) Interest expense on debt 1,045 938 920 Total other expenses $ 12,710 $ 11,859 $ 12,018 __________________ (1) Includes ($140) million, $93 million and ($144) million for the years ended December 31, 2023, 2022 and 2021, respectively, for the net change in cash surrender value of investments in certain life insurance policies, net of premiums paid. Capitalization of DAC and Amortization of DAC and VOBA See Note 8 for additional information on DAC and VOBA including impacts of capitalization and amortization. See also Note 10 for a description of the DAC amortization impact associated with the closed block. Expenses related to Debt

Employee Benefit Plans

Employee Benefit Plans	12 Months Ended
	Dec. 31, 2023
Retirement Benefits [Abstract]
Employee Benefit Plans	21. Employee Benefit Plans Pension and Other Postretirement Benefit Plans Certain subsidiaries of MetLife, Inc. sponsor a U.S. qualified and various U.S. and non-U.S. nonqualified defined benefit pension plans covering employees who meet specified eligibility requirements. U.S. pension benefits are provided utilizing either a traditional formula or cash balance formula. The traditional formula provides benefits that are primarily based upon years of credited service and final average earnings. The cash balance formula utilizes hypothetical or notional accounts which credit participants with benefits equal to a percentage of eligible pay, as well as interest credits, determined annually based upon the annual rate of interest on 30-year U.S. Treasury securities, for each account balance. In September 2018, the U.S. qualified and nonqualified defined benefit pension plans were amended, effective January 1, 2023, to provide benefits accruals for all active participants under the cash balance formula and to cease future accruals under the traditional formula. The U.S. nonqualified pension plans provide supplemental benefits in excess of limits applicable to a qualified plan. The non-U.S. pension plans generally provide benefits based upon either years of credited service and earnings preceding retirement or points earned on job grades and other factors in years of service. These subsidiaries also provide certain postemployment benefits and certain postretirement medical and life insurance benefits for U.S. and non-U.S. retired employees. U.S. employees of these subsidiaries who were hired prior to 2003 (or, in certain cases, rehired during or after 2003) and meet age and service criteria while working for one of the subsidiaries may become eligible for these other postretirement benefits, at various levels, in accordance with the applicable plans. Virtually all retirees, or their beneficiaries, contribute a portion of the total costs of postretirement medical benefits. U.S. employees hired after 2003 are not eligible for any employer subsidy for postretirement medical benefits. In September 2018, the U.S. postretirement medical and life insurance benefit plans were amended, effective January 1, 2023, to discontinue the accrual of the employer subsidy credits for eligible employees. The benefit obligations, funded status and net periodic benefit costs related to these pension and other postretirement benefits were comprised of the following: December 31, 2023 December 31, 2022 Pension Benefits Other Postretirement Pension Benefits Other Postretirement U.S. Non- Total U.S. Non- Total U.S. Non- Total U.S. Non- Total (In millions) Benefit obligations $ 8,649 $ 849 $ 9,498 $ 723 $ 42 $ 765 $ 8,425 $ 873 $ 9,298 $ 758 $ 36 $ 794 Estimated fair value of plan assets 7,786 484 8,270 1,307 27 1,334 7,831 463 8,294 1,277 26 1,303 Over (under) funded status $ (863) $ (365) $ (1,228) $ 584 $ (15) $ 569 $ (594) $ (410) $ (1,004) $ 519 $ (10) $ 509 Net periodic benefit costs $ 227 $ 64 $ 291 $ (41) $ 3 $ (38) $ 49 $ 73 $ 122 $ (43) $ 1 $ (42) Obligations and Funded Status December 31, 2023 2022 Pension Other Pension Other (In millions) Change in benefit obligations: Benefit obligations at January 1, $ 9,298 $ 794 $ 12,182 $ 1,138 Service costs 143 3 187 4 Interest costs 474 43 328 34 Plan participants’ contributions — 30 — 32 Plan amendments — — 8 — Net actuarial (gains) losses (2) 299 (23) (2,609) (289) Acquisition, divestitures, settlements and curtailments (35) — (45) — Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (45) 4 (123) — Benefit obligations at December 31, 9,498 765 9,298 794 Change in plan assets: Estimated fair value of plan assets at January 1, 8,294 1,303 10,971 1,443 Actual return on plan assets 529 72 (2,095) (43) Acquisition, divestitures and settlements (35) — (38) — Plan participants’ contributions — 30 — 32 Employer contributions 140 13 152 (3) Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (22) 2 (66) (1) Estimated fair value of plan assets at December 31, 8,270 1,334 8,294 1,303 Over (under) funded status at December 31, $ (1,228) $ 569 $ (1,004) $ 509 Amounts recognized on the consolidated balance sheets: Other assets $ 229 $ 886 $ 428 $ 796 Other liabilities (1,457) (317) (1,432) (287) Net amount recognized $ (1,228) $ 569 $ (1,004) $ 509 AOCI: Net actuarial (gains) losses $ 2,360 $ (509) $ 2,277 $ (498) Prior service costs (credit) (25) — (36) — AOCI, before income tax $ 2,335 $ (509) $ 2,241 $ (498) Accumulated benefit obligation $ 9,377 N/A $ 9,185 N/A __________________ (1) Includes nonqualified unfunded plans, for which the aggregate PBO was $1.0 billion at both December 31, 2023 and 2022. (2) For the year ended December 31, 2023, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions of $256 million and $8 million, respectively, demographic assumptions of ($54) million and ($8) million, respectively, and plan experience of $97 million and ($23) million, respectively. For the year ended December 31, 2022, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions, primarily related to an increase in the discount rate, of ($2.6) billion and ($276) million, respectively, and plan experience of $14 million and ($13) million, respectively. Information regarding pension plans and other postretirement benefit plans with PBOs and/or accumulated benefit obligations (“ABO”) or APBO in excess of plan assets was as follows at: December 31, 2023 2022 2023 2022 2023 2022 PBO Exceeds Estimated Fair Value ABO Exceeds Estimated Fair Value APBO Exceeds Estimated Fair Value (In millions) Projected benefit obligations $ 1,474 $ 1,444 $ 1,459 $ 1,434 N/A N/A Accumulated benefit obligations $ 1,411 $ 1,384 $ 1,411 $ 1,384 N/A N/A Accumulated postretirement benefit obligations N/A N/A N/A N/A $ 580 $ 562 Estimated fair value of plan assets $ 15 $ 10 $ 2 $ — $ 266 $ 276 Net Periodic Benefit Costs The components of net periodic benefit costs and other changes in plan assets and benefit obligations recognized in OCI were as follows: Years Ended December 31, 2023 2022 2021 Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits (In millions) Net periodic benefit costs: Service costs $ 143 $ 3 $ 187 $ 4 $ 215 $ 4 Interest costs 474 43 328 34 342 37 Settlement and curtailment (gains) losses 6 — 5 — (7) 1 Expected return on plan assets (480) (54) (516) (55) (506) (56) Amortization of net actuarial (gains) losses 159 (30) 129 (25) 162 (39) Amortization of prior service costs (credit) (11) — (11) — (12) — Total net periodic benefit costs (credit) 291 (38) 122 (42) 194 (53) Other changes in plan assets and benefit obligations recognized in OCI: Net actuarial (gains) losses 250 (41) 2 (191) (166) (54) Prior service costs (credit) — — 8 — 1 (1) Amortization of net actuarial gains (losses) (159) 30 (129) 25 (162) 39 Amortization of prior service (costs) credit 11 — 11 — 12 — Settlement and curtailment (gains) losses (6) — (5) — (10) 10 Exchange rate changes (2) — (7) — (8) — Total recognized in OCI 94 (11) (120) (166) (333) (6) Total recognized in net periodic benefit costs and OCI $ 385 $ (49) $ 2 $ (208) $ (139) $ (59) Assumptions Assumptions used in determining benefit obligations for the U.S. plans were as follows: Pension Benefits Other Postretirement Benefits December 31, 2023 Weighted average discount rate 5.25% 5.35% Weighted average interest crediting rate 4.00% N/A Rate of compensation increase 2.50% - 8.00% N/A December 31, 2022 Weighted average discount rate 5.60% 5.70% Weighted average interest crediting rate 4.00% N/A Rate of compensation increase 2.50% - 8.00% N/A Assumptions used in determining net periodic benefit costs for the U.S. plans were as follows: Pension Benefits Other Postretirement Benefits Year Ended December 31, 2023 Weighted average discount rate 5.60% 5.70% Weighted average interest crediting rate 4.00% N/A Weighted average expected rate of return on plan assets 6.25% 4.25% Rate of compensation increase 2.50% - 8.00% N/A Year Ended December 31, 2022 Weighted average discount rate 2.95% 3.05% Weighted average interest crediting rate 3.43% N/A Weighted average expected rate of return on plan assets 5.00% 3.86% Rate of compensation increase 2.50% - 8.00% N/A Year Ended December 31, 2021 Weighted average discount rate 3.01% 3.14% Weighted average interest crediting rate 3.24% N/A Weighted average expected rate of return on plan assets 5.00% 3.87% Rate of compensation increase 2.50% - 8.00% N/A The weighted average discount rate for the U.S. plans is determined annually based on the yield, measured on a yield to worst basis, of a hypothetical portfolio constructed of high quality debt instruments available on the measurement date, which would provide the necessary future cash flows to pay the aggregate PBO when due. The weighted average expected rate of return on plan assets for the U.S. plans is based on anticipated performance of the various asset sectors in which the plans invest, weighted by target allocation percentages. Anticipated future performance is based on long-term historical returns of the plan assets by sector, adjusted for the long-term expectations on the performance of the markets. While the precise expected rate of return derived using this approach will fluctuate from year to year, the policy is to hold this long-term assumption constant as long as it remains within reasonable tolerance from the derived rate. The weighted average expected rate of return on plan assets for use in that plan’s valuation in 2024 is currently anticipated to be 6.00% for U.S. pension benefits and 4.25% for U.S. other postretirement benefits. The weighted average interest crediting rate is determined annually based on the plan selected rate, long-term financial forecasts of that rate and the demographics of the plan participants. The assumed healthcare costs trend rates used in measuring the APBO and net periodic benefit costs were as follows: December 31, 2023 2022 Before Age 65 and Before Age 65 and Following year 6.2 % 4.5 % 5.2 % 3.9 % Ultimate rate to which cost increase is assumed to decline 3.7 % 4.5 % 3.7 % 4.5 % Year in which the ultimate trend rate is reached 2074 2102 2074 2100 Plan Assets Certain U.S. subsidiaries provide employees with benefits under various Employee Retirement Income Security Act of 1974 (“ERISA”) benefit plans. These include qualified pension plans, postretirement medical plans and certain retiree life insurance coverage. The assets of these U.S. subsidiaries’ qualified pension plans are held in insurance group annuity contracts, and the vast majority of the assets of the postretirement medical plan are held in a trust which largely utilizes insurance contracts to hold the assets. All of these contracts are issued by the Company and the assets under the contracts are held in insurance separate accounts. The underlying assets of the separate accounts are principally comprised of cash and cash equivalents, short-term investments, fixed maturity securities AFS, equity securities, derivatives, real estate and private equity investments. The assets backing the retiree life coverage also utilize insurance contracts issued by the Company’s insurance affiliate and are held in a general account Life Insurance Funding Agreement. The insurance contract provider engages investment management firms (“Managers”) to serve as sub-advisors for the separate accounts based on the specific investment needs and requests identified by the plan fiduciary. These Managers have portfolio management discretion over the purchasing and selling of securities and other investment assets pursuant to the respective investment management agreements and guidelines established for each insurance separate account. The assets of the qualified pension plans and postretirement medical plans (the “Invested Plans”) are well diversified across multiple asset categories and across a number of different Managers, with the intent of minimizing risk concentrations within any given asset category or with any of the given Managers. The Invested Plans, other than those held in participant directed investment accounts, are managed in accordance with investment policies consistent with the longer-term nature of related benefit obligations and within prudent risk parameters. Specifically, investment policies are oriented toward (i) maximizing the Invested Plan’s funded status; (ii) minimizing the volatility of the Invested Plan’s funded status; (iii) generating asset returns that exceed liability increases; and (iv) targeting rates of return in excess of a custom benchmark and industry standards over appropriate reference time periods. These goals are expected to be met through identifying appropriate and diversified asset classes and allocations, ensuring adequate liquidity to pay benefits and expenses when due and controlling the costs of administering and managing the Invested Plan’s investments. Independent investment consultants are periodically used to evaluate the investment risk of the Invested Plan’s assets relative to liabilities, analyze the economic and portfolio impact of various asset allocations and management strategies and recommend asset allocations. Derivative contracts may be used to reduce investment risk, to manage duration and to replicate the risk/return profile of an asset or asset class. Derivatives may not be used to leverage a portfolio in any manner, such as to magnify exposure to an asset, asset class, interest rates or any other financial variable. Derivatives are also prohibited for use in creating exposures to securities, currencies, indices or any other financial variable that is otherwise restricted. The table below summarizes the actual weighted average allocation of the estimated fair value of total plan assets by asset class at December 31 for the years indicated and the approved target allocation by major asset class at December 31, 2023 for the Invested Plans: December 31, 2023 2022 U.S. Pension U.S. Other Postretirement Benefits (1) U.S. Pension U.S. Other Target Actual Target Actual Actual Actual Asset Class Fixed maturity securities AFS 85 % 82 % 95 % 94 % 83 % 96 % Equity securities (2) 7 % 6 % 5 % 6 % 6 % 4 % Alternative securities (3) 8 % 12 % — % — % 11 % — % Total assets 100 % 100 % 100 % 100 % __________________ (1) U.S. other postretirement benefits do not reflect postretirement life’s plan assets invested in fixed maturity securities AFS. (2) Equity securities percentage includes derivative assets. (3) Alternative securities primarily include private equity and real estate funds. Estimated Fair Value The pension and other postretirement benefit plan assets are categorized into a three-level fair value hierarchy, as described in Note 13, based upon the significant input with the lowest level in its valuation. The Level 2 asset category includes certain separate accounts that are primarily invested in liquid and readily marketable securities. The estimated fair value of such separate accounts is based upon reported NAV provided by fund managers and this value represents the amount at which transfers into and out of the respective separate account are effected. These separate accounts provide reasonable levels of price transparency and can be corroborated through observable market data. Directly held investments are primarily invested in U.S. and foreign government and corporate securities. The Level 3 asset category includes separate accounts that are invested in assets that provide little or no price transparency due to the infrequency with which the underlying assets trade and generally require additional time to liquidate in an orderly manner. Accordingly, the values for separate accounts invested in these alternative asset classes are based on inputs that cannot be readily derived from or corroborated by observable market data. The pension and other postretirement plan assets measured at estimated fair value on a recurring basis and their corresponding placement in the fair value hierarchy are summarized as follows: December 31, 2023 Pension Benefits Other Postretirement Benefits Fair Value Hierarchy Fair Value Hierarchy Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: Corporate $ — $ 3,029 $ 54 $ 3,083 $ — $ 167 $ — $ 167 U.S. government bonds 1,537 38 — 1,575 52 6 — 58 Foreign bonds — 808 2 810 — 46 — 46 Federal agencies 62 141 — 203 1 — — 1 Municipals — 147 — 147 — 8 — 8 Short-term investments 13 184 — 197 554 403 — 957 Other (1) 114 577 8 699 4 33 — 37 Total fixed maturity securities AFS 1,726 4,924 64 6,714 611 663 — 1,274 Equity securities 436 162 12 610 59 — — 59 Other investments 41 — 828 869 1 — — 1 Derivative assets 10 67 — 77 — — — — Total assets $ 2,213 $ 5,153 $ 904 $ 8,270 $ 671 $ 663 $ — $ 1,334 December 31, 2022 Pension Benefits Other Postretirement Benefits Fair Value Hierarchy Fair Value Hierarchy Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: Corporate $ — $ 2,946 $ 55 $ 3,001 $ — $ 205 $ — $ 205 U.S. government bonds 1,462 45 — 1,507 68 — — 68 Foreign bonds — 769 — 769 — 61 — 61 Federal agencies 87 190 — 277 3 1 — 4 Municipals — 159 — 159 — 15 — 15 Short-term investments 12 384 — 396 463 396 — 859 Other (1) 92 598 3 693 8 36 — 44 Total fixed maturity securities AFS 1,653 5,091 58 6,802 542 714 — 1,256 Equity securities 416 151 3 570 47 — — 47 Other investments 40 1 855 896 — — — — Derivative assets 21 1 4 26 — — — — Total assets $ 2,130 $ 5,244 $ 920 $ 8,294 $ 589 $ 714 $ — $ 1,303 __________________ (1) Other primarily includes money market securities, mortgage-backed securities, collateralized mortgage obligations and ABS & CLO. A rollforward of all pension and other postretirement benefit plan assets measured at estimated fair value on a recurring basis using significant unobservable (Level 3) inputs was as follows: Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Fixed Maturity Securities AFS: Foreign Bonds Corporate Other Equity Securities Other Derivative Assets (In millions) Balance, January 1, 2022 $ 1 $ — $ 1 $ 11 $ 954 $ — Realized gains (losses) — — — — — — Unrealized gains (losses) — (1) — — 54 1 Purchases, sales, issuances and settlements, net — 56 3 (8) (153) 3 Transfers into and/or out of Level 3 (1) — (1) — — — Balance, December 31, 2022 $ — $ 55 $ 3 $ 3 $ 855 $ 4 Realized gains (losses) — — — — (1) — Unrealized gains (losses) — 1 — 1 (51) (1) Purchases, sales, issuances and settlements, net — 2 — 8 25 (3) Transfers into and/or out of Level 3 2 (4) 5 — — — Balance, December 31, 2023 $ 2 $ 54 $ 8 $ 12 $ 828 $ — Expected Future Contributions and Benefit Payments It is the subsidiaries’ practice to make contributions to the U.S. qualified pension plan to comply with minimum funding requirements of ERISA. In accordance with such practice, no contributions are expected to be required for 2024. The subsidiaries do not expect to make any discretionary contributions to the qualified pension plan in 2024. For information on employer contributions, see “— Obligations and Funded Status.” Benefit payments due under the U.S. nonqualified pension plans are primarily funded from the subsidiaries’ general assets as they become due under the provisions of the plans, and therefore benefit payments equal employer contributions. The U.S. subsidiaries expect to make contributions of $80 million to fund the benefit payments in 2024. Postretirement benefits are either: (i) not vested under law; (ii) a non-funded obligation of the subsidiaries; or (iii) both. Current regulations do not require funding for these benefits. The subsidiaries use their general assets, net of participant’s contributions, to pay postretirement medical claims as they come due. As permitted under the terms of the governing trust document, the subsidiaries may be reimbursed from plan assets for postretirement medical claims paid from their general assets. The U.S. subsidiaries expect to make contributions of $20 million towards benefit obligations in 2024 to pay postretirement medical claims. Gross benefit payments for the next 10 years, which reflect expected future service where appropriate, are expected to be as follows: Pension Benefits Other Postretirement Benefits (In millions) 2024 $ 690 $ 61 2025 $ 697 $ 58 2026 $ 707 $ 57 2027 $ 718 $ 57 2028 $ 735 $ 56 2029-2033 $ 3,668 $ 267 Defined Contribution Plans Certain subsidiaries sponsor defined contribution plans under which a portion of employee contributions are matched. These subsidiaries contributed $90 million, $46 million and $88 million for the years ended December 31, 2023, 2022 and 2021, respectively.

Income Tax

Income Tax	12 Months Ended
	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Income Tax	22. Income Tax The provision for income tax was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Current: U.S. federal $ 381 $ 159 $ 62 U.S. state and local 46 45 38 Non-U.S. 1,240 1,074 795 Subtotal 1,667 1,278 895 Deferred: U.S. federal (591) 1,234 872 U.S. state and local (4) — (2) Non-U.S. (512) (1,450) (123) Subtotal (1,107) (216) 747 Provision for income tax expense (benefit) $ 560 $ 1,062 $ 1,642 The Company’s income (loss) before income tax expense (benefit) was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Income (loss): U.S. $ (95) $ 5,785 $ 4,924 Non-U.S. 2,257 579 3,594 Total $ 2,162 $ 6,364 $ 8,518 The reconciliation of the income tax provision at the U.S. statutory rate to the provision for income tax as reported was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Tax provision at U.S. statutory rate $ 454 $ 1,337 $ 1,789 Tax effect of: Dividend received deduction (18) (20) (40) Tax-exempt income (34) 15 (36) Prior year tax (1) (12) (15) (127) Low income housing tax credits (116) (143) (178) Other tax credits (39) (44) (46) Foreign tax rate differential (2), (3), (4) 312 (85) 275 Changes in tax law (5) (198) — — Change in valuation allowance (5) 187 — 1 Other, net 24 17 4 Provision for income tax expense (benefit) $ 560 $ 1,062 $ 1,642 __________________ (1) As discussed further below, prior year tax primarily includes non-cash benefits related to uncertain tax positions of $32 million and $117 million for the years ended December 31, 2022 and 2021, respectively. (2) For the year ended December 31, 2023, foreign tax rate differential includes tax charges of $28 million related to the pending disposition of MetLife Malaysia and $22 million related to the U.S. tax on Global Intangible Low-Taxed Income (“GILTI”) of which $28 million is a current year charge, offset by a $6 million tax benefit revising the 2022 estimate. See Note 3 for further information on the Company’s business dispositions. (3) For the year ended December 31, 2022, foreign tax rate differential includes tax charges of $12 million related to the U.S. tax on GILTI of which $33 million is a current year charge, offset by a $21 million tax benefit revising the 2021 estimate. (4) For the year ended December 31, 2021, foreign tax rate differential includes tax charges of $50 million related to the disposition of MetLife Poland and Greece, $41 million related to the sale of MetLife Seguros and $30 million related to the U.S. tax on GILTI, which included a $42 million 2021 charge, offset by a $12 million tax benefit revising the 2020 estimate. See Note 3 for information on the Company’s business dispositions. (5) For the year ended December 31, 2023, changes in tax law include tax benefits of $198 million and a change in valuation allowance includes a tax charge of $198 million related to adjustments of deferred taxes due to the enactment of the Bermuda Corporate Income Tax (“BCIT”), as discussed further below. Deferred income tax represents the tax effect of the differences between the book and tax bases of assets and liabilities. Net deferred income tax assets and liabilities consisted of the following at: December 31, 2023 2022 (In millions) Deferred income tax assets: Policyholder liabilities and receivables $ 3,476 $ 758 Net operating loss carryforwards (1) 256 238 Employee benefits 523 475 Capital loss carryforwards 29 15 Tax credit carryforwards (2) 82 590 Net unrealized investment losses 4,308 5,946 Litigation-related and government mandated 101 90 Other 393 67 Total gross deferred income tax assets 9,168 8,179 Less: Valuation allowance (1) 496 291 Total net deferred income tax assets 8,672 7,888 Deferred income tax liabilities: Investments, including derivatives 2,054 1,691 Intangibles 1,004 1,096 DAC 3,929 3,612 Total deferred income tax liabilities 6,987 6,399 Net deferred income tax asset (liability) $ 1,685 $ 1,489 __________________ (1) The Company has recorded a deferred tax asset of $256 million related to U.S. state and non-U.S. net operating loss carryforwards and an offsetting valuation allowance for the year ended December 31, 2023. Certain net operating loss carryforwards will expire between 2024 and 2042, whereas others have an unlimited carryforward period. The Company’s deferred tax asset for the year ended December 31, 2023 includes $198 million recognized due to the BCIT with an offsetting valuation allowance as management believes it is more likely than not that the deferred tax asset will not be realized. (2) Tax credit carryforwards for the year ended December 31, 2023 primarily reflect foreign tax credits which have no expiration date. The Company has not provided for U.S. deferred taxes on the remaining excess of book bases over tax bases of certain investments in non-U.S. subsidiaries that are essentially permanent in duration. The amount of deferred tax liability related to the Company’s remaining basis difference in these non-U.S. subsidiaries was $223 million at December 31, 2023. The Company files income tax returns with the U.S. federal government and various U.S. state and local jurisdictions, as well as non-U.S. jurisdictions. The Company is under continuous examination by the Internal Revenue Service (“IRS”) and other tax authorities in jurisdictions in which the Company has significant business operations. The income tax years under examination vary by jurisdiction and subsidiary. The Company is no longer subject to U.S. federal, state, or local income tax examinations for years prior to 2017. In material non-U.S. jurisdictions, the Company is no longer subject to income tax examinations for years prior to 2016. In 2022, the IRS began a federal income tax audit of MetLife, Inc. and subsidiaries for tax years 2017-2019. The audit is ongoing and to date, no material issues have been raised and no adjustments have been proposed. In 2021, the Company filed amended federal income tax returns with the IRS for MetLife, Inc. and subsidiaries for tax years 2014 through 2016. In 2022, the IRS reviewed and acknowledged acceptance of the 2014 through 2016 amended federal income tax returns and closed the years to further audit. Accordingly, in 2022, the Company recorded a non-cash benefit to net income of $70 million, net of income tax, comprised of a $67 million tax benefit recorded in provision for income tax expense (benefit) and a $4 million interest benefit ($3 million, net of income tax) included in other expenses. In 2021, the Company filed amended federal income tax returns with the IRS for MetLife, Inc. and subsidiaries for tax years 2010 through 2013. In 2021, the IRS reviewed and acknowledged acceptance of the 2010 through 2013 amended federal income tax returns and closed the years to further audit. Accordingly, in 2021, the Company recorded a non-cash benefit to net income of $53 million in provision for income tax expense (benefit). In addition, in 2021, the IRS concluded its federal income tax audit of American Life for tax years 2010 through 2013. Accordingly, in 2021, the Company recorded a non-cash benefit to net income of $42 million, net of income tax, comprised of a $34 million tax benefit recorded in provision for income tax expense (benefit) and a $10 million interest benefit ($8 million, net of income tax) included in other expenses. The Company’s overall liability for unrecognized tax benefits may increase or decrease in the next 12 months. For example, U.S. federal tax legislation and regulation could impact unrecognized tax benefits. A reasonable estimate of the increase or decrease cannot be made at this time. However, the Company continues to believe that the ultimate resolution of the pending issues will not result in a material change to its consolidated financial statements, although the resolution of income tax matters could impact the Company’s effective tax rate for a particular future period. A reconciliation of the beginning and ending amount of unrecognized tax benefits was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 129 $ 163 $ 272 Additions for tax positions of prior years 27 42 19 Reductions for tax positions of prior years (1) (30) (93) (112) Additions for tax positions of current year 5 22 5 Reductions for tax positions of current year — (3) (18) Settlements with tax authorities — (2) (3) Balance at December 31, $ 131 $ 129 $ 163 Unrecognized tax benefits that, if recognized, would impact the effective rate $ 90 $ 80 $ 103 __________________ (1) For the years ended December 31, 2022 and 2021, primarily includes reductions related to non-cash benefits from tax audit settlements. The Company classifies interest accrued related to unrecognized tax benefits in interest expense, included within other expenses. Interest was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Interest expense (benefit) recognized on the consolidated statements of operations (1) $ 7 $ — $ (36) December 31, 2023 2022 (In millions) Interest included in other liabilities on the consolidated balance sheets $ 22 $ 15 __________________ (1) For the year ended December 31, 2021, the interest benefit is primarily related to a tax audit settlement of $10 million which was recorded in other expenses and a reclassification of $26 million to current income tax payable.

Earnings Per Common Share

Earnings Per Common Share	12 Months Ended
	Dec. 31, 2023
Earnings Per Share [Abstract]
Earnings Per Common Share	23. Earnings Per Common Share The following table presents the weighted average shares, basic earnings per common share and diluted earnings per common share: Years Ended December 31, 2023 2022 2021 (In millions, except per share data) Weighted Average Shares: Weighted average common stock outstanding - basic 757.7 803.2 862.7 Incremental common shares from assumed exercise or issuance of stock-based awards 4.6 5.7 6.7 Weighted average common stock outstanding - diluted 762.3 808.9 869.4 Net Income (Loss): Net income (loss) $ 1,602 $ 5,302 $ 6,876 Less: Net income (loss) attributable to noncontrolling interests 24 18 21 Less: Preferred stock dividends 198 185 195 Preferred stock redemption premium — — 6 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1,380 $ 5,099 $ 6,654 Basic $ 1.82 $ 6.35 $ 7.71 Diluted $ 1.81 $ 6.30 $ 7.65

Contingencies, Commitments and

Contingencies, Commitments and Guarantees	12 Months Ended
	Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Contingencies, Commitments and Guarantees	24. Contingencies, Commitments and Guarantees Contingencies Litigation The Company is a defendant in a large number of litigation matters. Putative or certified class action litigation and other litigation and claims and assessments against the Company, in addition to those discussed below and those otherwise provided for in the Company’s consolidated financial statements, have arisen in the course of the Company’s business, including, but not limited to, in connection with its activities as an insurer, mortgage lending bank, employer, investor, investment advisor, broker-dealer, and taxpayer. The Company also receives and responds to subpoenas or other inquiries seeking a broad range of information from state regulators, including state insurance commissioners; state attorneys general or other state governmental authorities; federal regulators, including the U.S. Securities and Exchange Commission; federal governmental authorities, including congressional committees; and the Financial Industry Regulatory Authority, as well as from local and national regulators and government authorities in jurisdictions outside the United States where the Company conducts business. The issues involved in information requests and regulatory matters vary widely, but can include inquiries or investigations concerning the Company’s compliance with applicable insurance and other laws and regulations. The Company cooperates in these inquiries. It is not possible to predict the ultimate outcome of all pending investigations and legal proceedings. The Company establishes liabilities for litigation and regulatory loss contingencies when it is probable that a loss has been incurred and the amount of the loss can be reasonably estimated. In certain circumstances where liabilities have been established there may be coverage under one or more corporate insurance policies, pursuant to which there may be an insurance recovery. Insurance recoveries are recognized as gains when any contingencies relating to the insurance claim have been resolved, which is the earlier of when the gains are realized or realizable. It is possible that some of the matters could require the Company to pay damages or make other expenditures or establish accruals in amounts that could not be reasonably estimated at December 31, 2023. While the potential future charges could be material in the particular quarterly or annual periods in which they are recorded, based on information currently known to management, management does not believe any such charges are likely to have a material effect on the Company’s financial position. Given the large and/or indeterminate amounts sought in certain of these matters and the inherent unpredictability of litigation, it is possible that an adverse outcome in certain matters could, from time to time, have a material effect on the Company’s consolidated net income or cash flows in particular quarterly or annual periods. Matters as to Which an Estimate Can Be Made For some matters, the Company is able to estimate a reasonably possible range of loss. For matters where a loss is believed to be reasonably possible, but not probable, the Company has not made an accrual. As of December 31, 2023, the Company estimates the aggregate range of reasonably possible losses in excess of amounts accrued for these matters to be $0 to $125 million. Matters as to Which an Estimate Cannot Be Made For other matters, the Company is not currently able to estimate the reasonably possible loss or range of loss. The Company is often unable to estimate the possible loss or range of loss until developments in such matters have provided sufficient information to support an assessment of the range of possible loss, such as quantification of a damage demand from plaintiffs, discovery from other parties and investigation of factual allegations, rulings by the court on motions or appeals, analysis by experts, and the progress of settlement negotiations. On a quarterly and annual basis, the Company reviews relevant information with respect to litigation contingencies and updates its accruals, disclosures and estimates of reasonably possible losses or ranges of loss based on such reviews. Asbestos-Related Claims MLIC is and has been a defendant in a large number of asbestos-related suits filed primarily in state courts. These suits principally allege that the plaintiff or plaintiffs suffered personal injury resulting from exposure to asbestos and seek both actual and punitive damages. MLIC has never engaged in the business of manufacturing or selling asbestos-containing products, nor has MLIC issued liability or workers’ compensation insurance to companies in the business of manufacturing or selling asbestos-containing products. The lawsuits principally have focused on allegations with respect to certain research, publication and other activities of one or more of MLIC’s employees during the period from the 1920s through approximately the 1950s and allege that MLIC learned or should have learned of certain health risks posed by asbestos and, among other things, improperly publicized or failed to disclose those health risks. MLIC believes that it should not have legal liability in these cases. The outcome of most asbestos litigation matters, however, is uncertain and can be impacted by numerous variables, including differences in legal rulings in various jurisdictions, the nature of the alleged injury and factors unrelated to the ultimate legal merit of the claims asserted against MLIC. MLIC’s defenses include that: (i) MLIC owed no duty to the plaintiffs; (ii) plaintiffs did not rely on any actions of MLIC; (iii) MLIC’s conduct was not the cause of the plaintiffs’ injuries; and (iv) plaintiffs’ exposure occurred after the dangers of asbestos were known. During the course of the litigation, certain trial courts have granted motions dismissing claims against MLIC, while other trial courts have denied MLIC’s motions. There can be no assurance that MLIC will receive favorable decisions on motions in the future. While most cases brought to date have settled, MLIC intends to continue to defend aggressively against claims based on asbestos exposure, including defending claims at trials. The approximate total number of asbestos personal injury claims pending against MLIC as of the dates indicated, the approximate number of new claims during the years ended on those dates and the approximate total settlement payments made to resolve asbestos personal injury claims at or during those years are set forth in the following table: December 31, 2023 2022 2021 (In millions, except number of claims) Asbestos personal injury claims at year end 57,488 58,073 58,785 Number of new claims during the year 2,565 2,610 2,824 Settlement payments during the year (1) $ 50.6 $ 50.5 $ 53.0 __________________ (1) Settlement payments represent payments made by MLIC during the year in connection with settlements made in that year and in prior years. Amounts do not include MLIC’s attorneys’ fees and expenses. The number of asbestos cases that may be brought, the aggregate amount of any liability that MLIC may incur, and the total amount paid in settlements in any given year are uncertain and may vary significantly from year to year. The ability of MLIC to estimate its ultimate asbestos exposure is subject to considerable uncertainty, and the conditions impacting its liability can be dynamic and subject to change. The availability of reliable data is limited and it is difficult to predict the numerous variables that can affect liability estimates, including the number of future claims, the cost to resolve claims, the disease mix and severity of disease in pending and future claims, the willingness of courts to allow plaintiffs to pursue claims against MLIC when exposure to asbestos took place after the dangers of asbestos exposure were well known, and the impact of any possible future adverse verdicts and their amounts. The ability to make estimates regarding ultimate asbestos exposure declines significantly as the estimates relate to years further in the future. In the Company’s judgment, there is a future point after which losses cease to be probable and reasonably estimable. It is reasonably possible that the Company’s total exposure to asbestos claims may be materially greater than the asbestos liability currently accrued and that future charges to income may be necessary, but management does not believe any such charges are likely to have a material effect on the Company’s financial position. The Company believes adequate provision has been made in its consolidated financial statements for all probable and reasonably estimable losses for asbestos-related claims. MLIC’s recorded asbestos liability covers pending claims, claims not yet asserted, and legal defense costs and is based on estimates and includes significant assumptions underlying its analysis. MLIC reevaluates on a quarterly and annual basis its exposure from asbestos litigation, including studying its claims experience, reviewing external literature regarding asbestos claims experience in the United States, assessing relevant trends impacting asbestos liability and considering numerous variables that can affect its asbestos liability exposure on an overall or per claim basis. Based upon its regular reevaluation of its exposure from asbestos litigation, MLIC has updated its recorded liability for asbestos-related claims. The frequency of severe claims relating to asbestos has not declined as expected, and MLIC has reflected this in its provisions. Accordingly, MLIC increased its recorded liability for asbestos-related claims to $364 million at December 31, 2023. The recorded liability was $320 million at December 31, 2022. Total Asset Recovery Services, LLC. v. MetLife, Inc., et al. (Supreme Court of the State of New York, County of New York, filed December 27, 2017) Total Asset Recovery Services (the “Relator”) brought an action under the qui tam provision of the New York False Claims Act (the “Act”) on behalf of itself and the State of New York. The Relator originally filed this action under seal in 2010, and the complaint was unsealed on December 19, 2017. The Relator alleges that MetLife, Inc., MLIC, and several other insurance companies violated the Act by filing false unclaimed property reports with the State of New York from 1986 to 2017, to avoid having to escheat the proceeds of more than 25,000 life insurance policies, including policies for which the defendants escheated funds as part of their demutualizations in the late 1990s. The Relator seeks treble damages and other relief. The Appellate Division of the New York State Supreme Court, First Department, reversed the court’s order granting MetLife, Inc. and MLIC’s motion to dismiss and remanded the case to the trial court where the Relator has filed an amended complaint. The Company intends to defend the action vigorously. Matters Related to Group Annuity Benefits In 2018, the Company announced that it identified a material weakness in its internal control over financial reporting related to the practices and procedures for estimating reserves for certain group annuity benefits. Several regulators have made inquiries into the issue and it is possible that other jurisdictions may pursue similar investigations or inquiries. The Company could be exposed to lawsuits and additional legal actions relating to the issue. These may result in payments, including damages, fines, penalties, interest and other amounts assessed or awarded by courts or regulatory authorities under applicable escheat, tax, securities, ERISA, or other laws or regulations. The Company could incur significant costs in connection with these actions. Commitments Mortgage Loan Commitments The Company commits to lend funds under mortgage loan commitments. The amounts of these mortgage loan commitments were $4.0 billion and $3.4 billion at December 31, 2023 and 2022, respectively. Commitments to Fund Partnership Investments, Bank Credit Facilities, Bridge Loans and Private Corporate Bond Investments The Company commits to fund partnership investments and to lend funds under bank credit facilities, bridge loans and private corporate bond investments. The amounts of these unfunded commitments were $9.2 billion and $9.4 billion at December 31, 2023 and 2022, respectively. Guarantees In the normal course of its business, the Company has provided certain indemnities and guarantees to third parties such that it may be required to make payments now or in the future. In the context of acquisition, disposition, investment and other transactions, the Company has provided indemnities and guarantees, including those related to tax, environmental and other specific liabilities and other indemnities and guarantees that are triggered by, among other things, breaches of representations, warranties or covenants provided by the Company. In addition, in the normal course of business, the Company provides indemnifications to counterparties in contracts with triggers similar to the foregoing, as well as for certain other liabilities, such as third-party lawsuits. These obligations are often subject to time limitations that vary in duration, including contractual limitations and those that arise by operation of law, such as applicable statutes of limitation. In some cases, the maximum potential obligation under the indemnities and guarantees is subject to a contractual limitation ranging from less than $1 million to $329 million, with a cumulative maximum of $630 million, while in other cases such limitations are not specified or applicable. Since certain of these obligations are not subject to limitations, the Company does not believe that it is possible to determine the maximum potential amount that could become due under these guarantees in the future. Management believes that it is unlikely the Company will have to make any material payments under these indemnities or guarantees. In addition, the Company indemnifies its directors and officers as provided in its charters and by-laws. Also, the Company indemnifies its agents for liabilities incurred as a result of their representation of the Company’s interests. Since these indemnities are generally not subject to limitation with respect to duration or amount, the Company does not believe that it is possible to determine the maximum potential amount that could become due under these indemnities in the future. The Company also has minimum fund yield requirements on certain pension funds. Since these guarantees are not subject to limitation with respect to duration or amount, the Company does not believe that it is possible to determine the maximum potential amount that could become due under these guarantees in the future. The Company’s recorded liabilities were $19 million and $20 million at December 31, 2023 and 2022, respectively, for indemnities and guarantees.

Quarterly Results of Operations

Quarterly Results of Operations (Unaudited)	12 Months Ended
	Dec. 31, 2023
Quarterly Financial Information Disclosure [Abstract]
Quarterly Results of Operations (Unaudited) [Text Block]	25. Quarterly Results of Operations (Unaudited) The unaudited quarterly results of operations for 2023 and 2022 are summarized in the table below: Three Months Ended March 31, June 30, September 30, December 31, (In millions, except per share data) 2023 Total revenues $ 15,388 $ 16,623 $ 15,866 $ 19,028 Total expenses $ 15,131 $ 16,193 $ 15,332 $ 18,087 Net income (loss) $ 85 $ 408 $ 495 $ 614 Less: Net income (loss) attributable to noncontrolling interests $ 5 $ 6 $ 6 $ 7 Net income (loss) attributable to MetLife, Inc. $ 80 $ 402 $ 489 $ 607 Less: Preferred stock dividends $ 66 $ 32 $ 67 $ 33 Net income (loss) available to MetLife, Inc.’s common shareholders $ 14 $ 370 $ 422 $ 574 Basic earnings per common share Net income (loss) attributable to MetLife, Inc. $ 0.10 $ 0.52 $ 0.65 $ 0.82 Net income (loss) available to MetLife, Inc.’s common shareholders $ 0.02 $ 0.48 $ 0.56 $ 0.78 Diluted earnings per common share Net income (loss) attributable to MetLife, Inc. $ 0.10 $ 0.52 $ 0.65 $ 0.82 Net income (loss) available to MetLife, Inc.’s common shareholders $ 0.02 $ 0.48 $ 0.56 $ 0.77 2022 Total revenues $ 15,405 $ 15,474 $ 22,283 $ 15,608 Total expenses $ 13,470 $ 14,486 $ 20,868 $ 13,582 Net income (loss) $ 1,639 $ 915 $ 1,167 $ 1,581 Less: Net income (loss) attributable to noncontrolling interests $ 5 $ 5 $ 5 $ 3 Net income (loss) attributable to MetLife, Inc. $ 1,634 $ 910 $ 1,162 $ 1,578 Less: Preferred stock dividends $ 63 $ 29 $ 64 $ 29 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1,571 $ 881 $ 1,098 $ 1,549 Basic earnings per common share Net income (loss) attributable to MetLife, Inc. $ 1.98 $ 1.12 $ 1.46 $ 2.01 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1.91 $ 1.09 $ 1.38 $ 1.98 Diluted earnings per common share Net income (loss) attributable to MetLife, Inc. $ 1.97 $ 1.12 $ 1.45 $ 2.00 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1.89 $ 1.08 $ 1.37 $ 1.96

Consolidated Summary of Investm

Consolidated Summary of Investments - Other Than Investments in Related Parties	12 Months Ended
	Dec. 31, 2023
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]
Consolidated Summary of Investments - Other Than Investments in Related Parties	MetLife, Inc. Schedule I Consolidated Summary of Investments — Other Than Investments in Related Parties December 31, 2023 (In millions) Types of Investments Cost or Estimated Fair Amount at Fixed maturity securities AFS: Bonds: Foreign government $ 48,260 $ 45,489 $ 45,489 U.S. government and agency 35,374 32,252 32,252 Public utilities 10,842 10,534 10,534 Municipals 11,991 11,171 11,171 All other corporate bonds 132,887 124,645 124,645 Total bonds 239,354 224,091 224,091 Mortgage-backed, asset-backed and collateralized loan obligations securities 60,244 56,339 56,339 Redeemable preferred stock 957 982 982 Total fixed maturity securities AFS 300,555 281,412 281,412 Unit-linked and FVO securities 8,742 10,331 10,331 Equity securities: Common stock: Industrial, miscellaneous and all other 306 456 456 Banks, trust and insurance companies 118 204 204 Public utilities — 3 3 Non-redeemable preferred stock 90 94 94 Total equity securities 514 757 757 Mortgage loans 93,227 92,506 Policy loans 8,788 8,788 Real estate and real estate joint ventures 13,142 13,142 Real estate acquired in satisfaction of debt 190 190 Other limited partnership interests 14,764 14,764 Short-term investments 5,990 6,045 Other invested assets 18,225 18,202 Total investments $ 464,137 $ 446,137 __________________ (1) Unit-linked and FVO securities are primarily equity securities (including mutual funds) and fixed maturity securities. Amortized cost for fixed maturity securities AFS, Unit-linked and FVO securities, mortgage loans, policy loans and short-term investments represents original cost reduced by repayments and adjusted for amortization of premium or accretion of discount; for equity securities, cost represents original cost; for real estate, cost represents original cost reduced by impairments and depreciation; for real estate joint ventures and other limited partnership interests, cost represents original cost reduced for impairments and adjusted for equity in earnings and distributions.

Condensed Financial Information

Condensed Financial Information (Parent Company)	12 Months Ended
	Dec. 31, 2023
Condensed Financial Information Disclosure [Abstract]
Condensed Financial Information (Parent Company)	MetLife, Inc. Schedule II Condensed Financial Information (Parent Company Only) December 31, 2023 and 2022 (In millions, except share and per share data) 2023 2022 Condensed Balance Sheets Assets Investments: Fixed maturity securities available-for-sale, at estimated fair value (amortized cost: $1,689 and $3,877, respectively) $ 1,583 $ 3,729 Short-term investments, principally at estimated fair value 52 — Other invested assets, at estimated fair value 517 376 Total investments 2,152 4,105 Cash and cash equivalents 3,021 1,290 Accrued investment income 9 20 Investment in subsidiaries 43,838 42,736 Loans to subsidiaries 305 95 Other assets 667 724 Total assets $ 49,992 $ 48,970 Liabilities and Stockholders’ Equity Liabilities Payables for collateral under derivatives transactions $ 265 $ 154 Long-term debt — unaffiliated 14,516 13,588 Long-term debt — affiliated 1,585 1,676 Junior subordinated debt securities 2,468 2,465 Other liabilities 1,143 1,206 Total liabilities 19,977 19,089 Stockholders’ Equity Preferred stock, par value $0.01 per share; $3,905 aggregate liquidation preference — — Common stock, par value $0.01 per share; 3,000,000,000 shares authorized; 1,191,823,651 and 1,189,831,471 shares issued, respectively; 730,821,111 and 779,098,414 shares outstanding, respectively 12 12 Additional paid-in capital 33,690 33,616 Retained earnings 40,146 40,332 Treasury stock, at cost; 461,002,540 and 410,733,057 shares, respectively (24,591) (21,458) Accumulated other comprehensive income (loss) (19,242) (22,621) Total stockholders’ equity 30,015 29,881 Total liabilities and stockholders’ equity $ 49,992 $ 48,970 See accompanying notes to the condensed financial information. MetLife, Inc. Schedule II Condensed Financial Information — (continued) (Parent Company Only) Years Ended December 31, 2023, 2022 and 2021 (In millions) 2023 2022 2021 Condensed Statements of Operations Revenues Net investment income $ 188 $ 58 $ 25 Other revenues 17 17 19 Net investment gains (losses) 134 332 1,655 Net derivative gains (losses) (41) 129 116 Total revenues 298 536 1,815 Expenses Interest expense 907 829 847 Other expenses 140 79 207 Total expenses 1,047 908 1,054 Income (loss) before provision for income tax and equity in earnings of subsidiaries (749) (372) 761 Provision for income tax (expense) benefit 128 37 (202) Equity in earnings of subsidiaries 2,199 5,619 6,296 Net income (loss) 1,578 5,284 6,855 Less: Preferred stock dividends 198 185 195 Preferred stock redemption premium — — 6 Net income (loss) available to common shareholders $ 1,380 $ 5,099 $ 6,654 Comprehensive income (loss) $ 4,957 $ (14,886) $ 4,089 See accompanying notes to the condensed financial information. MetLife, Inc. Schedule II Condensed Financial Information — (continued) (Parent Company Only) Years Ended December 31, 2023, 2022 and 2021 (In millions) 2023 2022 2021 Condensed Statements of Cash Flows Cash flows from operating activities Net income (loss) $ 1,578 $ 5,284 $ 6,855 Earnings of subsidiaries (2,199) (5,619) (6,296) Dividends from subsidiaries 4,780 5,168 4,830 (Gains) losses on investments and from sales of businesses, net (134) (332) (1,655) Other, net 158 (73) 23 Net cash provided by (used in) operating activities 4,183 4,428 3,757 Cash flows from investing activities Sales, maturities and repayments of fixed maturity securities available-for-sale 3,093 1,609 5,078 Purchases of fixed maturity securities available-for-sale (973) (2,757) (4,371) Sales, maturities and repayments of short-term investments 1,330 — — Purchases of short-term investments (1,375) — — Net change in short-term investments — — 156 Cash received in connection with freestanding derivatives 161 296 111 Cash paid in connection with freestanding derivatives (155) (103) (27) Sales of businesses — — 3,902 Expense paid on behalf of subsidiaries (4) (10) (15) Receipts on loans to subsidiaries 250 150 195 Issuances of loans to subsidiaries (460) (210) (230) Returns of capital from subsidiaries 6 8 13 Capital contributions to subsidiaries (528) (5) (88) Other, net (3) 15 9 Net cash provided by (used in) investing activities 1,342 (1,007) 4,733 Cash flows from financing activities Net change in payables for collateral under derivative transactions 111 1 88 Long-term debt issued 1,986 1,000 496 Long-term debt repaid (1,000) — (996) Treasury stock acquired in connection with share repurchases (3,103) (3,326) (4,303) Redemption of preferred stock — — (494) Preferred stock redemption premium — — (6) Dividends on preferred stock (198) (185) (195) Dividends on common stock (1,566) (1,598) (1,647) Other, net (24) 16 87 Net cash provided by (used in) financing activities (3,794) (4,092) (6,970) Change in cash and cash equivalents 1,731 (671) 1,520 Cash and cash equivalents, beginning of year 1,290 1,961 441 Cash and cash equivalents, end of year $ 3,021 $ 1,290 $ 1,961 MetLife, Inc. Schedule II Condensed Financial Information — (continued) (Parent Company Only) Years Ended December 31, 2023, 2022 and 2021 (In millions) 2023 2022 2021 Supplemental disclosures of cash flow information Net cash paid (received) for: Interest $ 852 $ 800 $ 853 Income tax: Amounts paid to (received from) subsidiaries, net $ (671) $ (214) $ (110) Income tax paid (received) by MetLife, Inc., net 506 85 128 Total income tax, net $ (165) $ (129) $ 18 Non-cash transactions: Dividends from subsidiary $ — $ — $ 14 Returns of capital from subsidiaries $ 2 $ 12 $ 7 Capital contributions to subsidiaries $ 1 $ 11 $ 15 MetLife, Inc. Schedule II Notes to the Condensed Financial Information (Parent Company Only) 1. Basis of Presentation The condensed financial information of MetLife, Inc. (parent company only) should be read in conjunction with the consolidated financial statements of MetLife, Inc. and its subsidiaries and the notes thereto (the “Consolidated Financial Statements”). These condensed unconsolidated financial statements reflect the results of operations, financial position and cash flows for MetLife, Inc. Investments in subsidiaries are accounted for using the equity method of accounting. The preparation of these condensed unconsolidated financial statements in conformity with GAAP requires management to adopt accounting policies and make certain estimates and assumptions. The most important of these estimates and assumptions relate to the fair value measurements, the accounting for goodwill and the provision for potential losses that may arise from litigation and regulatory proceedings and tax audits, which may affect the amounts reported in the condensed unconsolidated financial statements and accompanying notes. Actual results could differ from these estimates. Adoption of ASU 2018-12 - Targeted Improvements to the Accounting for Long-Duration Contracts Effective January 1, 2023, MetLife, Inc. adopted ASU 2018-12, Financial Services—Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts, as amended by ASU 2019-09, Financial Services—Insurance (Topic 944): Effective Date; ASU 2020-11, Financial Services—Insurance (Topic 944): Effective Date and Early Application; and ASU 2022-05, Financial Services—Insurance (Topic 944): Transition for Sold Contracts (“LDTI”), with a transition date of January 1, 2021. Adoption of LDTI impacted MetLife, Inc.’s accounting and presentation related to long-duration insurance contracts and certain related balances for the years ended December 31, 2022 and 2021. Amounts within these condensed unconsolidated financial statements which were previously presented, primarily investment in subsidiaries and net investment income, have been revised to conform with the current year accounting and presentation under LDTI. See Note 1 of the Notes to the Consolidated Financial Statements for further information on the adoption of LDTI. 2. Investment in Subsidiaries In April 2021, MetLife, Inc. received $3.9 billion in cash in connection with the disposition of MetLife P&C. See Note 3 of the Notes to the Consolidated Financial Statements for additional information on dispositions. 3. Loans to Subsidiaries MetLife, Inc. lends funds as necessary, through credit agreements or otherwise to its subsidiaries, some of which are regulated, to meet their capital requirements or to provide liquidity. Payments of interest and principal on surplus notes of regulated subsidiaries, which are subordinate to all other obligations of the issuing company, may be made only with the prior approval of the insurance department of the state of domicile. In March 2023, under the existing credit facility, MetLife Services and Solutions, LLC (“MSS”) issued a $250 million short-term note to MetLife, Inc, which was repaid by December 2023. The short-term note bore interest at three-month CME Term SOFR plus 1.24%. During 2022 and 2021, MSS also issued $150 million and $195 million, respectively, in short-term notes to MetLife, Inc. which were repaid by September 2022 and August 2021, respectively. The short-term notes bore interest at six-month LIBOR plus 1.00%. In March 2023, Missouri Reinsurance, Inc. (“MoRe”), issued to MetLife, Inc. an $80 million 5.34% promissory note maturing in March 2028, an $80 million 5.68% promissory note maturing in March 2033 and a $50 million 6.05% promissory note maturing in March 2038. In December 2022 and 2021, MoRe also issued to MetLife, Inc. a $60 million 5.23% promissory note maturing in December 2024 and a $35 million 2.12% promissory note maturing in December 2024. All notes are payable semi-annually. Interest income earned on loans to subsidiaries of $22 million, $2 million and $1 million for the years ended December 31, 2023, 2022 and 2021, respectively, is included in net investment income. 4. Long-term Debt Long-term debt outstanding was as follows: Interest Rates (1) December 31, Range Maturity 2023 2022 (Dollars in millions) Senior notes — unaffiliated (2) 0.50% - 6.50% 2024 - 2054 $ 14,516 $ 13,588 Senior notes — affiliated 1.59% - 7.49% 2025 - 2031 1,585 1,676 Total $ 16,101 $ 15,264 __________________ (1) Range of interest rates are for the year ended December 31, 2023. (2) Net of $106 million and $83 million of unamortized issuance costs and net premiums and discounts at December 31, 2023 and 2022, respectively. See Notes 16 of the Notes to the Consolidated Financial Statements for additional information. The aggregate maturities of long-term debt at December 31, 2023 for the next five years and thereafter are $1.4 billion in 2024, $1.2 billion in 2025, $476 million in 2026, $0 in 2027, $237 million in 2028 and $12.7 billion thereafter. Senior Notes – Affiliated In July 2023, a ¥37.3 billion 1.6015% senior unsecured note issued to MLIC matured and was refinanced with a ¥37.3 billion 2.1575% senior unsecured note due July 2030 issued to MLIC. In December 2021, ¥54.6 billion 3.1350% senior unsecured notes issued to various subsidiaries matured and were refinanced with the following senior unsecured notes issued to various subsidiaries: (i) ¥12.2 billion 1.588% due December 2026, (ii) ¥19.1 billion 1.7185% due December 2028 and (iii) ¥23.3 billion 1.850% due December 2031. In July 2021, ¥53.7 billion 2.9725% senior unsecured notes issued to various subsidiaries matured and were refinanced with the following senior unsecured notes issued to various subsidiaries: (i) ¥13.7 billion 1.610% due July 2026, (ii) ¥14.3 billion 1.755% due July 2028 and (iii) ¥25.7 billion 1.852% due July 2031. Interest Expense Interest expense was comprised of the following: Years Ended December 31, 2023 2022 2021 (In millions) Long-term debt — unaffiliated $ 653 $ 583 $ 590 Long-term debt — affiliated 45 37 47 Collateral financing arrangements 4 4 5 Junior subordinated debt securities 205 205 205 Total $ 907 $ 829 $ 847 See Notes 17 and 18 of the Notes to the Consolidated Financial Statements for information on the collateral financing arrangement and junior subordinated debt securities. 5. Support Agreements MetLife, Inc. is party to various capital support commitments and guarantees with certain of its subsidiaries. Under these arrangements, MetLife, Inc. has agreed to cause each such entity to meet specified capital and surplus levels or has guaranteed certain contractual obligations. MetLife, Inc. guarantees the obligations of MoRe under a retrocession agreement with RGA Reinsurance (Barbados) Inc., pursuant to which MoRe retrocedes a portion of the closed block liabilities associated with industrial life and ordinary life insurance policies that it assumed from MLIC. MetLife, Inc. guarantees the obligations of MetLife Reinsurance Company of Bermuda, Ltd. (“MrB”), a Bermuda insurance affiliate and an indirect, wholly-owned subsidiary of MetLife, Inc. under a reinsurance agreement with a former affiliate that is now an unaffiliated third party, under which MrB reinsures certain variable annuity business written by such third party. MetLife, Inc. guarantees the obligations of MrB in an aggregate amount up to $1.0 billion, under a reinsurance agreement with MetLife Europe d.a.c., in respect of MrB’s reinsurance of the guaranteed living benefits and guaranteed death benefits associated with certain Unit-linked investments issued by MetLife Europe d.a.c. MetLife, Inc., in connection with MRV’s reinsurance of certain universal life and term life insurance risks, committed to the Vermont Department of Banking, Insurance, Securities and Health Care Administration to take necessary action to cause the two protected cells of MRV to maintain total adjusted capital in an amount that is equal to or greater than 200% of each such protected cell’s authorized control level RBC, as defined in Vermont state insurance statutes. MetLife, Inc., in connection with the collateral financing arrangement associated with MRC’s reinsurance of a portion of the liabilities associated with the closed block, committed to the South Carolina Department of Insurance to make capital contributions, if necessary, to MRC so that MRC may at all times maintain its total adjusted capital in an amount that is equal to or greater than 200% of the Company Action Level RBC, as defined in South Carolina state insurance statutes as in effect on the date of determination or December 31, 2007, whichever calculation produces the greater capital requirement, or as otherwise required by the South Carolina Department of Insurance. See Note 17 of the Notes to the Consolidated Financial Statements. MetLife, Inc. guarantees obligations arising from OTC-bilateral derivatives of MrB. MrB is exposed to various risks relating to its ongoing business operations, including interest rate, foreign currency exchange rate, credit and equity market. MrB uses a variety of strategies to manage these risks, including the use of derivatives. Further, MrB’s derivatives are subject to industry standard netting agreements and collateral agreements that limit the unsecured portion of any open derivative position. On a net counterparty basis at December 31, 2023 and 2022, derivative transactions with positive mark-to-market values (in-the-money) were $27 million and $174 million, respectively, and derivative transactions with negative mark-to-market values (out-of-the-money) were $191 million and $181 million, respectively. To secure the obligations represented by the out-of-the-money transactions, MrB had provided collateral to its counterparties with an estimated fair value of $183 million and $181 million at December 31, 2023 and 2022, respectively. Accordingly, unsecured derivative liabilities guaranteed by MetLife, Inc. were $8 million and $0 at December 31, 2023 and 2022, respectively. MetLife, Inc. also guarantees the obligations of certain of its subsidiaries under committed facilities with third-party banks. See Note 16 of the Notes to the Consolidated Financial Statements.

Consolidated Supplementary Insu

Consolidated Supplementary Insurance Information	12 Months Ended
	Dec. 31, 2023
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]
Consolidated Supplementary Insurance Information	MetLife, Inc. Schedule III Consolidated Supplementary Insurance Information December 31, 2023 and 2022 (In millions) Segment DAC Future Policy Benefits, Policyholder Market Risk Benefits (Assets) Liabilities (1) Policyholder Unearned Unearned 2023 Group Benefits (4) $ 258 $ 17,863 $ 7,692 $ — $ — $ 446 $ — RIS (4) 413 71,223 82,405 (13) — 7 31 Asia 11,983 35,683 92,063 234 75 1,532 2,850 Latin America 2,447 14,636 6,368 — — 2 989 EMEA 1,731 3,463 7,578 (53) — 18 608 MetLife Holdings 3,289 72,410 23,178 2,722 311 155 59 Corporate & Other 30 864 (15) 3 — — — Total $ 20,151 $ 216,142 $ 219,269 $ 2,893 $ 386 $ 2,160 $ 4,537 2022 Group Benefits (4) $ 264 $ 16,971 $ 8,028 $ — $ — $ 349 $ — RIS (4) 286 64,376 80,066 8 — 3 36 Asia 11,560 34,642 84,165 284 72 1,889 2,382 Latin America 2,087 13,426 5,383 — — 2 848 EMEA 1,607 3,269 7,289 (37) — 14 559 MetLife Holdings 3,819 71,914 25,688 3,225 315 158 281 Corporate & Other 30 1,048 (22) 3 — — — Total $ 19,653 $ 205,646 $ 210,597 $ 3,483 $ 387 $ 2,415 $ 4,106 __________________ (1) MRBs assets and liabilities are presented net. (2) Amounts are included within the future policy benefits, other policy-related balances and policyholder dividend obligation column. (3) Includes premiums received in advance. (4) See Note 2 for information on the reorganization of the Company’s segments. MetLife, Inc. Schedule III Consolidated Supplementary Insurance Information — (continued) Years Ended December 31, 2023, 2022 and 2021 (In millions) Segment Premiums and Net Policyholder Benefits and Market Risk Benefit Remeasurement (Gains) Losses Amortization of Other 2023 Group Benefits (2) $ 22,436 $ 1,148 $ 19,329 $ — $ 26 $ 3,778 RIS (2) 8,561 7,354 14,057 (29) 49 403 Asia 6,883 4,307 6,941 (43) 794 1,562 Latin America 5,685 1,610 4,801 — 468 1,263 EMEA 2,314 885 1,737 (40) 348 807 MetLife Holdings 3,513 4,234 5,517 (882) 258 1,527 Corporate & Other 43 370 23 — 9 2,040 Total $ 49,435 $ 19,908 $ 52,405 $ (994) $ 1,952 $ 11,380 2022 Group Benefits (2) $ 21,906 $ 1,081 $ 19,226 $ — $ 26 $ 3,460 RIS (2) 13,923 5,899 18,124 (314) 40 380 Asia 7,256 3,571 6,199 (90) 745 1,601 Latin America 4,399 1,318 4,092 — 410 1,032 EMEA 2,298 (864) 30 (126) 331 778 MetLife Holdings 3,968 4,633 5,849 (3,144) 270 1,632 Corporate & Other (15) 278 (5) — 9 1,851 Total $ 53,735 $ 15,916 $ 53,515 $ (3,674) $ 1,831 $ 10,734 2021 Group Benefits (2) $ 21,304 $ 1,102 $ 19,929 $ — $ 26 $ 3,158 RIS (2) 5,334 6,606 8,928 96 37 368 Asia 8,047 5,110 7,386 (48) 786 1,758 Latin America 3,749 1,207 3,475 — 372 978 EMEA 2,803 932 2,085 (120) 389 900 MetLife Holdings 4,256 6,093 6,097 (1,161) 320 1,845 Corporate & Other (3) 903 345 617 (4) 107 1,854 Total $ 46,396 $ 21,395 $ 48,517 $ (1,237) $ 2,037 $ 10,861 ______________ (1) Includes other expenses and policyholder dividends, excluding amortization of DAC and VOBA charged to other expenses. (2) See Note 2 for information on the reorganization of the Company’s segments. (3) Includes activity related to MetLife P&C, a former subsidiary of the Company, that was previously reported in the former U.S. segment. See Notes 2 and 3.

Consolidated Reinsurance

Consolidated Reinsurance	12 Months Ended
	Dec. 31, 2023
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
Consolidated Reinsurance	MetLife, Inc. Schedule IV Consolidated Reinsurance December 31, 2023, 2022 and 2021 (Dollars in millions) Gross Amount Ceded Assumed Net Amount % Amount Assumed to Net 2023 Life insurance in-force $ 5,627,777 $ 473,860 $ 829,720 $ 5,983,637 13.9 % Insurance premium Life insurance (1) $ 25,653 $ 1,363 $ 2,851 $ 27,141 10.5 % Accident & health insurance 17,589 824 261 17,026 1.5 % Property and casualty insurance 117 1 — 116 — % Total insurance premium $ 43,359 $ 2,188 $ 3,112 $ 44,283 7.0 % 2022 Life insurance in-force $ 5,371,318 $ 390,521 $ 647,646 $ 5,628,443 11.5 % Insurance premium Life insurance (1) $ 30,835 $ 1,422 $ 2,517 $ 31,930 7.9 % Accident & health insurance 16,737 715 518 16,540 3.1 % Property and casualty insurance 46 6 — 40 — % Total insurance premium $ 47,618 $ 2,143 $ 3,035 $ 48,510 6.3 % 2021 Life insurance in-force $ 5,273,869 $ 394,023 $ 662,901 $ 5,542,747 12.0 % Insurance premium Life insurance (1) $ 22,854 $ 1,455 $ 2,346 $ 23,745 9.9 % Accident & health insurance 16,613 651 555 16,517 3.4 % Property and casualty insurance 910 28 8 890 0.9 % Total insurance premium $ 40,377 $ 2,134 $ 2,909 $ 41,152 7.1 % __________________ (1) Includes annuities with life contingencies.

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pay vs Performance Disclosure
Net income (loss)	$ 607	$ 489	$ 402	$ 80	$ 1,578	$ 1,162	$ 910	$ 1,634	$ 1,578	$ 5,284	$ 6,855

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended	12 Months Ended
	Dec. 31, 2023 shares	Dec. 31, 2023 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Ramy Tadros [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement		Securities trading plans During the three months ended December 31, 2023, the following Section 16 officers or directors (as defined in Rule 16a-1(f) of the Exchange Act) adopted or terminated a contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act or any “non-Rule 10b5-1 trading arrangement” (as defined in Section 408(c) of Regulation S-K): Plans Name & Title Action Date Rule 10b5-1 Non-Rule 10b5-1 Total amount of securities to be sold Plan expiration date Ramy Tadros President, U.S. Business, of MetLife, Inc. and Head of MetLife Holdings Adoption December 13, 2023 X 4,026 shares of common stock August 1, 2024
Name	Ramy Tadros
Title	President, U.S. Business, of MetLife, Inc. and Head of MetLife Holdings
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	December 13, 2023
Arrangement Duration	232 days
Aggregate Available	4,026	4,026

Business, Basis of Presentati_2

Business, Basis of Presentation and Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Use of Estimates	The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to adopt accounting policies and make estimates and assumptions that affect amounts reported on the consolidated financial statements. In applying these policies and estimates, management makes subjective and complex judgments that frequently require assumptions about matters that are inherently uncertain. Many of these policies, estimates and related judgments are common in the insurance and financial services industries; others are specific to the Company’s business and operations. Actual results could differ from these estimates.
Consolidation of Subsidiaries	Adoption of ASU 2018-12 - Targeted Improvements to the Accounting for Long-Duration Contracts Effective January 1, 2023, the Company adopted Accounting Standards Update (“ASU”) 2018-12, Financial Services—Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts , as amended by ASU 2019-09, Financial Services—Insurance (Topic 944) : Effective Date; ASU 2020-11, Financial Services—Insurance (Topic 944): Effective Date and Early Application ; and ASU 2022-05, Financial Services—Insurance (Topic 944): Transition for Sold Contracts (“LDTI”), with a transition date of January 1, 2021 (the “Transition Date”). Adoption of LDTI impacted the Company’s accounting and presentation related to long-duration insurance contracts and certain related balances for the years ended December 31, 2022 and 2021. Amounts within these consolidated financial statements which were previously presented, have been revised to conform with the current year accounting and presentation under LDTI. Disclosures as of the Transition Date are reflected in summary within “— Recent Accounting Pronouncements — Adoption of ASU 2018-12 - Targeted Improvements to the Accounting for Long-Duration Contracts,” and in further detail (at the disaggregated level) within Notes 4, 5, 6 and 8. Consolidation The accompanying consolidated financial statements include the accounts of MetLife, Inc. and its subsidiaries, as well as partnerships and joint ventures in which the Company has a controlling financial interest, and variable interest entities (“VIEs”) for which the Company is the primary beneficiary. Intercompany accounts and transactions have been eliminated. The Company uses the equity method of accounting, unless the fair value option (“FVO”) is applied for real estate joint ventures and other limited partnership interests (“investee”) when it has more than a minor ownership interest or more than a minor influence over the investee’s operations. The Company generally recognizes its share of the investee’s earnings in net investment income on a three-month lag in instances where the investee’s financial information is not sufficiently timely or when the investee’s reporting period differs from the Company’s reporting period. Closed block assets, liabilities, revenues and expenses are combined on a line-by-line basis with the assets, liabilities, revenues and expenses outside the closed block based on the nature of the particular item.
Held-for-Sale	Held-for-Sale The Company classifies a business as held-for-sale when management has approved or received approval to sell the business, the sale is probable to occur during the next 12 months at a price that is reasonable in relation to its current estimated fair value and certain other specified criteria are met. The business classified as held-for-sale is recorded at the lower of the carrying value and estimated fair value, less cost to sell. If the carrying value of the business exceeds its estimated fair value, less cost to sell, a loss is recognized and reported in net investment gains (losses). Assets and liabilities related to the business classified as held-for-sale are separately reported in the Company's consolidated balance sheets in the period in which the business first meets all the criteria to be classified as held-for-sale and in each reporting period thereafter until sold. See Note 3. If a component of the Company has either been disposed of or is classified as held-
Separate Accounts	Separate Accounts Separate accounts are established in conformity with insurance laws. Generally, the assets of the separate accounts cannot be used to settle the liabilities that arise from any other business of the Company. Separate account assets are subject to general account claims only to the extent the value of such assets exceeds the separate account liabilities. The Company reports separately, as separate account assets and liabilities, investments held in separate accounts and corresponding policyholder liabilities of the same amount if all of the following criteria are met: • such separate accounts are legally recognized; • assets supporting the contract liabilities are legally insulated from the Company’s general account liabilities; • investment objectives are directed by the contractholder; and • all investment performance, net of contract fees and assessments, is passed through to the contractholder. The Company reports separate account assets at their fair value which is based on the estimated fair values of the underlying assets comprising the individual separate account portfolios. Investment performance (including investment income, net investment gains (losses) and changes in unrealized gains (losses)) and the corresponding amounts credited to contractholders of such separate accounts are offset within the same line on the statements of operations. Separate accounts credited with a contractual investment return are not reported as separate account assets and liabilities and are combined on a line-by-line basis with the Company’s general account assets, liabilities, revenues and expenses and the accounting for these investments is consistent with the methodologies described herein for similar financial instruments held within the general account. Unit-linked separate account investments that are directed by contractholders but do not meet one or more of the other above criteria are included in contractholder-directed equity securities with the corresponding liability included in policyholder account balances (“PABs”) on the balance sheets. Investment performance is reported within net investment income and a corresponding amount reported as interest credited to PABs in the statements of operations. The Company’s revenues reflect fees charged to the separate accounts, including mortality charges, risk charges, policy administration fees, investment management fees and surrender charges. Such fees are included in universal life and investment-type product policy fees on the statements of operations.
Reclassification	Revisions The Company originates mortgage loans and in certain cases transfers proportional rights to cash flows of mortgage loans to third parties. These transactions were previously accounted for by the Company as sales of portions of the related mortgage loans. During the second quarter of 2023, management determined that certain of these pre-existing transactions did not meet the criteria for sale accounting and recorded an adjustment to reflect those transfers as secured borrowings. This adjustment did not result in changes to the Company’s economic exposure or key financial reporting metrics. Based on management’s assessment of both quantitative and qualitative factors, the error correction was not material to the Company’s current period or prior period financial statements and prior periods have not been revised.
Future Policy Benefit Liabilities and Policyholder Account Balances	Future Policy Benefit Liabilities Traditional Non-participating and Limited-payment Long-duration products The Company establishes future policy benefit liabilities (“FPBs”) for amounts payable under traditional non-participating and limited-payment long-duration insurance and reinsurance policies which include, but are not limited to most whole and term life & endowment products, accident & health, fixed annuities, pension risk transfers, structured settlements, institutional income annuities and long-term care products. Generally, amounts are payable over an extended period of time and the related liabilities are calculated as the present value of future expected benefits and claim settlement expenses to be paid, reduced by the present value of future expected net premiums. FPBs are measured as cohorts (e.g., groups of long-duration contracts), with the exception of pension risk transfers and longevity reinsurance solutions contracts, each of which is generally considered its own cohort. Contracts from different subsidiaries or branches, issue years, benefit currencies and product types are not grouped together in the same cohort. Such liabilities are established based on methods and underlying assumptions in accordance with GAAP and applicable actuarial standards. A net premium ratio (“NPR”) approach is utilized, where net premiums (i.e., the portion of gross premiums required to fund expected insurance benefits and claim settlement expenses) are accrued each period as FPBs. The NPR used to accrue the FPB in each period is determined by using the historical and present value of expected future benefits and claim settlement expenses for the cohort divided by the historical and present value of expected future gross premiums for the cohort. Cash flow assumptions are incorporated into the calculation of a cohort's NPR and FPB reserve. These assumptions are used to project the amount and timing of expected benefits and claim settlement expenses to be paid and the expected amount of premiums to be collected for a cohort. The principal inputs and assumptions used in the establishment of FPBs are actual premiums, actual benefits, in-force policies, and best estimate cash flow assumptions to project future premium and benefit amounts. The Company’s primary best estimate cash flow assumptions include expectations related to mortality, morbidity, termination, claim settlement expense, policy lapse, renewal, retirement, disability incidence, disability terminations, inflation and other contingent events as appropriate to the respective product type and geographical area. Generally, the NPR and FPB reserve are updated retrospectively on a quarterly basis for actual experience and at least once a year for any changes in future cash flow assumptions, except for claim settlement expenses, for which the Company has elected to lock in assumptions at the Transition Date or inception (for contracts sold after the Transition Date), as allowed by LDTI. The resulting remeasurement (gain) loss is recorded through net income and reflects the impact of the change in the NPR based on experience at the end of the quarter applied to the cumulative premiums received from the inception of the cohort (or from the Transition Date for contracts issued prior to the Transition Date) to the beginning of the quarter. The total contractual profit pattern is recognized over the expected life of the cohort by retrospectively updating the NPR. If net premiums exceed gross premiums (i.e., expected benefits exceed expected gross premiums), the FPB is increased, and a corresponding adjustment is recognized immediately in net income. The change in FPB reflected in the statement of operations is calculated using a locked-in discount rate. For products issued prior to the Transition Date, a cohort level locked-in discount rate was developed that reflected the interest accretion rates that were locked in at inception of the underlying contracts (unless there was a historical premium deficiency event that resulted in updating the interest accretion rate prior to the Transition Date), or the acquisition date for contracts acquired through an assumed in-force reinsurance transaction or a business combination. For contracts issued subsequent to the Transition Date, the upper-medium grade discount rate used for interest accretion is locked-in for the cohort and represents the original upper-medium grade discount rate at the issue date of the underlying contracts. The FPB for all cohorts is remeasured to a current upper-medium grade discount rate at each reporting date through other comprehensive income (loss) (“OCI”). The Company generally interprets the upper-medium grade discount rate to be a rate comparable to that of a corporate single A rate that reflects the duration characteristics of the liability. The upper-medium grade discount rate is determined by using observable market data, including published upper-medium grade discount curves. In situations where market data for an upper-medium grade discount curve is not available (e.g., in certain foreign jurisdictions), spreads are applied to adjust the available observable market data to an upper-medium grade discount curve. The last liquid point on the upper-medium grade discount curve for each jurisdiction grades to an ultimate forward rate, which is derived using assumptions of economic growth, inflation, and a long-term upper-medium grade spread. The table below summarizes the market data and spreads applied to determine the upper-medium grade discount rate for products issued in key jurisdictions that are included in the disaggregated rollforwards in Note 4. Disaggregated rollforwards Jurisdiction Observable base curve Spread applied to derive upper-medium grade discount rate RIS Annuities, MetLife Holdings Long-term Care United States Single A curve No spread applied as there is an observable single A base discount curve. Asia - Whole and Term Life & Endowments, Asia - Accident & Health Japan Japanese government bond yield A spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to 10 years and held flat for years 10 to 30. Korea Korean government bond yield A spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to five years and held flat for years five to 30. Latin America Fixed Annuities Chile Chilean government bond yield A blended spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to 10 years and held flat for years 10 to 25. Mexico Mexican government bond yield There are few public corporate bonds denominated in Mexican pesos with a credit rating higher than sovereign bonds. Therefore a spread is applied based on local corporate bond yields to approximate a single A equivalent bond. For limited-payment long-duration contracts, the collection of premiums does not represent the completion of the earnings process, therefore, any gross premiums received in excess of net premiums is deferred and amortized as a deferred profit liability (“DPL”). The DPL is presented within FPBs and is amortized in proportion to either the present value of expected benefit payments or insurance in-force of each cohort to ensure that profits are recognized over the life of the underlying policies in that cohort, regardless of when premiums are received. This amortization of the DPL is recorded through net income within policyholder benefits and claims. Consistent with the Company’s measurement of traditional long-duration products, management also recognizes a FPB reserve for limited-payment contracts that is representative of the difference between the present value of expected future benefits and the present value of expected future net premiums, subject to retrospective remeasurement through net income and OCI, as described above. The DPL is also subject to retrospective remeasurement through net income, however, it is not remeasured for changes in discount rates. When a cohort’s present value of future net premiums exceeds the present value of future benefits, a “flooring” adjustment is required. The flooring adjustment ensures that the liability for future policy benefits for each cohort is not less than zero, and is reported in net income or OCI, depending on whether the flooring relates to the FPB discounted at the locked-in discount rate versus the current upper-medium grade discount rate, respectively. Traditional Participating Products The Company establishes FPBs for traditional participating contracts in the U.S., which include whole and term life participating contracts in both the open and closed block using a net premium approach, similar to traditional non-participating contracts. However, for participating contracts, the discount rate and actuarial assumptions are locked-in at inception, include a provision for adverse deviation, and all changes in the associated FPBs are reported within policyholder benefits and claims. See Note 10 for additional information on the closed block. For traditional participating contracts, the Company reviews its estimates of actuarial liabilities for future benefits and compares them with current best estimate assumptions. The Company revises estimates, to increase FPBs, if the Company determines that the liabilities previously established for future benefit payments less future expected net premiums in the aggregate for this line of business prove inadequate. Additional Insurance Liabilities Liabilities for universal, variable universal, and variable life policies with secondary guarantees (“ULSG”) and paid-up guarantees are determined by estimating the expected value of death benefits payable when the account balance is projected to be zero and recognizing those benefits ratably over the life of the contract based on total expected assessments. The additional insurance liabilities are updated retrospectively on a quarterly basis for actual experience and at least once a year for any changes in future cash flow assumptions. The assumptions used in estimating the secondary and paid-up guarantee liabilities are investment income, mortality, lapse, and premium payment pattern and persistency. The assumptions of investment performance and volatility for variable products are consistent with historical experience of appropriate underlying equity indices, such as the S&P Global Ratings (“S&P”) 500 Index. The benefits used in calculating the liabilities are based on the average benefits payable over a range of scenarios. The resulting adjustments are recorded as policyholder liability remeasurement (gains) losses in the statement of operations reflecting the impact on the change in the ratio of benefits payable to total assessments over the life of the contract based on experience at the end of the quarter applied to the cumulative assessments received as of the beginning of the quarter. For annuitization benefits, future benefits expected to be paid during the annuitization phase are discounted using an upper-medium grade discount rate to determine the excess benefit upon annuitization. The discount rate is not locked in for expected annuitization benefits, and is required to be updated quarterly, consistent with other components of the annuitization benefit cash flows. Changes in the discount rate applied to the future annuitization payments are reflected in policyholder benefits and claims within the statement of operations. Premium Deficiency Reserves Premium deficiency reserves may be established for short-duration contracts to provide for expected future losses and certain expenses that exceed unearned premiums. These reserves are based on actuarial estimates of the amount of loss inherent in that period, including losses incurred for which claims have not been reported. The provisions for unreported claims are calculated using studies that measure the historical length of time between the incurred date of a claim and its eventual reporting to the Company. For universal life-type and certain participating contracts, a premium deficiency reserve may be established when existing contract liabilities, together with the present value of future fees and/or premiums, are not sufficient to cover the present value of future benefits and settlement costs. Anticipated investment income is also considered in the calculations of premium deficiency reserves for short-duration contracts, as well as universal life-type and certain participating contracts. Policyholder Account Balances PABs represent the amount held by the Company on behalf of the policyholder at each reporting date. This amount includes deposits received from the policyholder, interest credited to the policyholder’s account balance, net of charges assessed against the account balance and any policyholder withdrawals. This balance also includes liabilities for structured settlement and institutional income annuities, and certain other contracts, that do not contain significant insurance risk, as well as the estimated fair value of embedded derivatives associated with indexed annuity products.
Market Risk Benefit	Market Risk Benefits As defined by LDTI, market risk benefits (“MRBs”) are contracts or contract features that guarantee benefits, such as guaranteed minimum benefits, in addition to an account balance, which expose insurance companies to other than nominal capital market risk (e.g., equity price, interest rate, and/or foreign currency exchange risk) and subsequently protect the contractholder from the same risk. These contracts and contract features were generally recorded as embedded derivatives or additional insurance liabilities prior to the Transition Date. Certain contracts may have multiple contract features or guarantees. In these cases, each feature is separately evaluated to determine whether it meets the definition of an MRB at contract inception. If a contract includes multiple benefits that meet the definition of an MRB, those benefits are aggregated and measured as a single compound MRB. All identified MRBs are required to be measured at estimated fair value, whether the contract or contract feature represents a direct, assumed or ceded capital market risk. All MRBs in an asset position are aggregated and presented as an asset, and all MRBs in a liability position are aggregated and presented as a liability. Changes in the estimated fair value of MRBs are recognized in net income, except for the portion of the fair value change attributable to the change in nonperformance risk of the Company which is recorded as a separate component of OCI. The Company generally uses an attributed fee approach to value MRBs, where the attributed fee is determined at contract inception by estimating the fair value of expected future benefits and the expected future fees. The attributed fee percentage is the portion of the expected future fees due from contractholders deemed necessary at contract inception to fund all future expected benefits. This typically results in a zero fair value for the MRB at inception. The estimated fair value of the expected future benefits is estimated using a stochastically-generated set of risk-neutral scenarios. Once calculated, the attributed fee percentage is fixed and does not change over the life of the contract. All fees due from contractholders (or payable to reinsurers in the case of ceded MRBs) in excess of the attributed fees are reported in universal life and investment-type product policy fees.
Other Policy-Related Balances	Other Policy-Related Balances Other policy-related balances include policy and contract claims, premiums received in advance, unearned revenue (“UREV”) liabilities, obligations assumed under structured settlement assignments, policyholder dividends due and unpaid, policyholder dividends left on deposit and negative value of business acquired (“VOBA”). The liability for policy and contract claims generally relates to incurred but not reported (“IBNR”) death, disability, dental and vision claims. In addition, generally included in other policy-related balances are claims which have been reported but not yet settled for death, disability, dental and vision. The liability for these claims is based on the Company’s estimated ultimate cost of settling all claims. The Company derives estimates for the development of IBNR claims principally from analyses of historical patterns of claims by business line. The methods used to determine these estimates are continually reviewed. Adjustments resulting from this continuous review process and differences between estimates and payments for claims are recognized in policyholder benefits and claims expense in the period in which the estimates are changed or payments are made. The Company accounts for the prepayment of premiums on its individual life, group life and health contracts as premiums received in advance. These amounts are then recognized in premiums when due. The UREV liability relates to universal life and investment-type products and represents policy charges for services to be provided in future periods. The charges are deferred as UREV and amortized on a basis consistent with the methodologies and assumptions used for amortizing deferred policy acquisition costs (“DAC”) for the related contracts. Changes in the UREV liability for each period (representing deferrals less amortization) are reported in universal life and investment-type product policy fees. See “— Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles” for a discussion of negative VOBA. For certain acquired blocks of business, the estimated fair value of the in-force contract obligations exceeded the book value of assumed in-force insurance policy liabilities, resulting in negative VOBA, which is presented separately from VOBA as an additional insurance liability included in other policy-related balances. The estimated fair value of the in-force contract obligations is based on projections by each block of business. Negative VOBA is amortized on a basis consistent with the methodologies and assumptions used for amortizing DAC for the related contracts. Such amortization is recorded as an offset in other expenses.
Recognition of Insurance Revenues and Deposits	Recognition of Insurance Revenues and Deposits Premiums related to long-duration whole and term life & endowment products, individual accident & health, disability, individual and group fixed annuities (including pension risk transfers, certain structured settlements, and certain income annuities), long-term care and participating products are recognized as revenues when due from policyholders. Policyholder benefits and expenses are provided to recognize profits over the estimated lives of the insurance policies. When premiums are due over a significantly shorter period than the period over which benefits are provided, any excess profit is deferred as a DPL and recognized into earnings in a constant relationship to insurance in-force or, for annuities, the present value of expected future policy benefit payments. Premiums related to short-duration group term life, dental, disability, accident & health, vision and credit insurance contracts are recognized on a pro rata basis over the applicable contract term. Unearned premiums, representing the portion of premium written related to the unexpired coverage, are reflected as liabilities until earned. Deposits related to universal life and investment-type products are credited to PABs. Revenues from such contracts consist of fees for mortality, policy administration and surrender charges and are recorded in universal life and investment-type product policy fees in the period in which services are provided. All fees due from contractholders (or payable to reinsurers in the case of ceded MRBs) in excess of the attributed fees on contracts with MRBs are reported in universal life and investment-type product policy fees. Amounts that are charged to earnings include interest credited and benefit claims incurred in excess of related PABs. All revenues and expenses are presented net of reinsurance, as applicable.
Deferred Policy Acquisition Costs and Value of Business Acquired	Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles The Company incurs significant costs in connection with acquiring new and renewal insurance business. Costs that are related directly to the successful acquisition or renewal of insurance contracts are capitalized as DAC. Such costs include: • incremental direct costs of contract acquisition, such as commissions; • the portion of an employee’s total compensation and benefits related to time spent selling, underwriting or processing the issuance of new and renewal insurance business only with respect to actual policies acquired or renewed; • other essential direct costs that would not have been incurred had a policy not been acquired or renewed; and • the costs of direct-response advertising, the primary purpose of which is to elicit sales to customers who could be shown to have responded specifically to the advertising and that results in probable future benefits. All other acquisition-related costs, including those related to general advertising and solicitation, market research, agent training, product development, unsuccessful sales and underwriting efforts, as well as all indirect costs, are expensed as incurred. VOBA is an intangible asset resulting from a business combination that represents the excess of book value over the estimated fair value of acquired insurance, annuity, and investment-type contracts in-force at the acquisition date. The estimated fair value of the acquired liabilities is based on projections, by each block of business, of future policy and contract charges, premiums, mortality and morbidity, separate account performance, surrenders, operating expenses, investment returns, nonperformance risk adjustment and other factors. Actual experience with the purchased business may vary from these projections. VOBA is subject to periodic recoverability testing for traditional life and limited-payment contracts, as well as universal life type contracts. DAC and VOBA for most long-duration products are amortized on a constant-level basis that approximates straight-line amortization on an individual contract basis. The DAC and VOBA related to RIS annuities are amortized over expected benefit payments, and for all other long-duration products are generally amortized in proportion to policy count. For short-duration products, DAC and VOBA are amortized in proportion to actual and expected future earned premiums. DAC and VOBA are aggregated on the financial statements for reporting purposes. Amortization of DAC and VOBA is included in other expenses.
Intangible Assets Arising from Insurance Contracts Acquired in Business Combination, Policy	Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles The Company incurs significant costs in connection with acquiring new and renewal insurance business. Costs that are related directly to the successful acquisition or renewal of insurance contracts are capitalized as DAC. Such costs include: • incremental direct costs of contract acquisition, such as commissions; • the portion of an employee’s total compensation and benefits related to time spent selling, underwriting or processing the issuance of new and renewal insurance business only with respect to actual policies acquired or renewed; • other essential direct costs that would not have been incurred had a policy not been acquired or renewed; and • the costs of direct-response advertising, the primary purpose of which is to elicit sales to customers who could be shown to have responded specifically to the advertising and that results in probable future benefits. All other acquisition-related costs, including those related to general advertising and solicitation, market research, agent training, product development, unsuccessful sales and underwriting efforts, as well as all indirect costs, are expensed as incurred. VOBA is an intangible asset resulting from a business combination that represents the excess of book value over the estimated fair value of acquired insurance, annuity, and investment-type contracts in-force at the acquisition date. The estimated fair value of the acquired liabilities is based on projections, by each block of business, of future policy and contract charges, premiums, mortality and morbidity, separate account performance, surrenders, operating expenses, investment returns, nonperformance risk adjustment and other factors. Actual experience with the purchased business may vary from these projections. VOBA is subject to periodic recoverability testing for traditional life and limited-payment contracts, as well as universal life type contracts. DAC and VOBA for most long-duration products are amortized on a constant-level basis that approximates straight-line amortization on an individual contract basis. The DAC and VOBA related to RIS annuities are amortized over expected benefit payments, and for all other long-duration products are generally amortized in proportion to policy count. For short-duration products, DAC and VOBA are amortized in proportion to actual and expected future earned premiums. DAC and VOBA are aggregated on the financial statements for reporting purposes. Amortization of DAC and VOBA is included in other expenses.
Deferred Sales Inducements	The Company generally has two different types of sales inducements which are included in other assets: (i) the policyholder receives a bonus whereby the policyholder’s initial account balance is increased by an amount equal to a specified percentage of the customer’s deposit; and (ii) the policyholder receives a higher interest rate using a dollar cost averaging method than would have been received based on the normal general account interest rate credited. The Company defers sales inducements and amortizes them over the life of the policy using the same methodologies and assumptions used to amortize DAC for the related contracts. The amortization of deferred sales inducements (“DSI”) is included in policyholder benefits and claims. DSI assets were $146 million and $133 million at December 31, 2023 and 2022, respectively.
Value of Distribution Agreements and Customer Relationships Acquired	Value of distribution agreements acquired (“VODA”) is reported in other assets and represents the present value of expected future profits associated with the expected future business derived from the distribution agreements acquired as part of a business combination. Value of customer relationships acquired (“VOCRA”) is also reported in other assets and represents the present value of the expected future profits associated with the expected future business acquired through existing customers of the acquired company or business. The VODA and VOCRA associated with past business combinations are amortized over the assets’ useful lives ranging from nine
Reinsurance	Reinsurance For each of its reinsurance agreements, the Company determines whether the agreement provides indemnification against loss or liability relating to insurance risk in accordance with applicable accounting standards. Cessions under reinsurance agreements do not discharge the Company’s obligations as the primary insurer. The Company reviews all contractual features, including those that may limit the amount of insurance risk to which the reinsurer is subject or features that delay the timely reimbursement of claims. For reinsurance of existing in-force blocks of long-duration contracts that transfer significant insurance risk, the difference, if any, between the amounts paid (received), and the liabilities ceded (assumed) related to the underlying reinsured contracts is considered the net cost of reinsurance at the inception of the reinsurance agreement. The net cost of reinsurance is amortized on a basis consistent with the methodologies and assumptions used for amortizing DAC related to the underlying reinsured contracts. Subsequent accounting for in-force blocks and new business assumed is the same as if the business was directly sold by the Company. For prospective reinsurance of short-duration contracts that meet the criteria for reinsurance accounting, amounts paid (received) are recorded as ceded (assumed) premiums and ceded (assumed) unearned premiums. Ceded (assumed) unearned premiums are reflected as a component of premiums, reinsurance and other receivables (future policy benefits). Such amounts are amortized through earned premiums over the remaining contract period in proportion to the amount of insurance protection provided. For retroactive reinsurance of short-duration contracts that meet the criteria for reinsurance accounting, amounts paid (received) in excess of the related insurance liabilities ceded (assumed) are recognized immediately as a loss and are reported in the appropriate line item within the statement of operations. Any gain on such retroactive agreement is deferred and is amortized as part of DAC, primarily using the recovery method. The reinsurance recoverable for traditional non-participating and limited-payment contracts is generally measured using a net premium methodology to accrue the projected net gain or loss on reinsurance in proportion to the gross premiums of the underlying reinsured cohorts; and is updated retrospectively on a quarterly basis for actual experience and at least once a year for any changes in cash flow assumptions. The locked-in discount rate used to measure changes in the reinsurance recoverable recorded in net income was established at the Transition Date, or at the inception of the reinsurance coverage for new reinsurance agreements entered into subsequent to the Transition Date. The reinsurance recoverable is remeasured to an upper-medium grade discount rate through OCI at each reporting date, similar to the underlying reinsured contracts. The reinsurance recoverable for other long-duration contracts and associated contract features is measured using assumptions and methods generally consistent with the underlying direct policies, except that for reinsured MRBs, the entire change in fair value is recognized in net income each reporting period. Amounts currently recoverable under reinsurance agreements are included in premiums, reinsurance and other receivables and amounts currently payable are included in other liabilities. Assets and liabilities relating to reinsurance agreements with the same reinsurer may be recorded net on the balance sheet, if a right of offset exists within the reinsurance agreement. In the event that reinsurers do not meet their obligations to the Company under the terms of the reinsurance agreements, or when events or changes in circumstances indicate that its carrying amount may not be recoverable, reinsurance recoverable balances could become uncollectible. In such instances, reinsurance recoverable balances are stated net of allowances for uncollectible reinsurance, consistent with credit loss guidance which requires recording an allowance for credit loss (“ACL”). Premiums, fees, policyholder liability remeasurement (gains) losses, and policyholder benefits and claims include amounts assumed under reinsurance agreements and are net of reinsurance ceded. Amounts received from reinsurers for policy administration are reported in other expenses. If the Company determines that a reinsurance agreement does not expose the reinsurer to a reasonable possibility of a significant loss from insurance risk, the Company records the agreement using the deposit method of accounting. Deposits received are included in other liabilities and deposits made are included within premiums, reinsurance and other receivables. As amounts are paid or received, consistent with the underlying contracts, the deposit assets or liabilities are adjusted. Interest on such deposits is recorded as other revenues or other expenses, as appropriate. Periodically, the Company evaluates the adequacy of the expected payments or recoveries and adjusts the deposit asset or liability through other revenues or other expenses, as appropriate. Accounting for reinsurance requires extensive use of assumptions and estimates, particularly related to the future performance of the underlying business and the potential impact of counterparty credit risks. The Company periodically reviews actual and anticipated experience compared to the aforementioned assumptions used to establish assets and liabilities relating to ceded and assumed reinsurance and evaluates the financial strength of counterparties to its reinsurance agreements using criteria similar to that evaluated in the security impairment process discussed in “ – Fixed Maturity Securities AFS – Evaluation of Fixed Maturity Securities AFS for Credit Loss” in Note 11.
Investments	Investments Net Investment Income Net investment income includes primarily interest income, including amortization of premium and accretion of discount, prepayment fees, dividend income, rental income and equity method income and is net of related investment expenses. Net investment income also includes; (i) realized gains (losses) on investments sold or disposed and (ii) unrealized gains (losses) recognized in earnings, representing changes in estimated fair value, primarily for Unit-linked investments (defined below) and FVO securities. Net Investment Gains (Losses) Net investment gains (losses) include primarily (i) realized gains (losses) from sales and disposals of investments, which are determined by specific identification, (ii) intent-to-sell impairment losses on fixed maturity securities available-for-sale (“AFS”) and impairment losses on all other asset classes and, to a lesser extent, (iii) recognized gains (losses). Recognized gains (losses) are primarily comprised of the change in the ACL and unrealized gains (losses) for certain investments for which changes in estimated fair value are recognized in earnings. Changes in the ACL includes both (i) provisions for credit loss on fixed maturity securities AFS, mortgage loans and leveraged and direct financing leases, and (ii) subsequent changes in the ACL. Unrealized gains (losses), representing changes in estimated fair value recognized in earnings, primarily relate to equity securities and certain other limited partnership interests and real estate joint ventures. Net investment gains (losses) also include non-investment portfolio gains (losses) which do not relate to the performance of the investment portfolio, including gains (losses) from sales and divestitures of businesses and impairment of property, equipment, leasehold improvements and right-of-use (“ROU”) lease assets. Accrued Investment Income Accrued investment income is presented separately on the consolidated balance sheet and excluded from the carrying value of the related investments, primarily fixed maturity securities and mortgage loans. Fixed Maturity Securities The majority of the Company’s fixed maturity securities are classified as AFS and are reported at their estimated fair value. Changes in the estimated fair value of these securities not recognized in earnings representing unrecognized unrealized investment gains (losses) are recorded as a separate component of OCI, net of policy-related amounts and deferred income taxes. All security transactions are recorded on a trade date basis. Sales of securities are determined on a specific identification basis. Interest income and prepayment fees are recognized when earned. Interest income is recognized using an effective yield method giving effect to amortization of premium and accretion of discount, and is based on the estimated economic life of the securities, which for mortgage-backed and asset-backed securities considers the estimated timing and amount of prepayments of the underlying loans. See Note 11 “— Fixed Maturity Securities AFS — Methodology for Amortization of Premium and Accretion of Discount on Structured Products.” The amortization of premium and accretion of discount also take into consideration call and maturity dates. Generally, the accrual of income is ceased and accrued investment income that is considered uncollectible is recognized as a charge within net investment gains (losses) when securities are impaired. The Company periodically evaluates these securities for impairment. The assessment of whether impairments have occurred is based on management’s case-by-case evaluation of the underlying reasons for the decline in estimated fair value as described in Note 11 “— Fixed Maturity Securities AFS — Evaluation of Fixed Maturity Securities AFS for Credit Loss.” For securities in an unrealized loss position, a credit loss is recognized in earnings within net investment gains (losses) when it is anticipated that the amortized cost, excluding accrued investment income, will not be recovered. When either: (i) the Company has the intent to sell the security; or (ii) it is more likely than not that the Company will be required to sell the security before recovery, the reduction of amortized cost and the loss recognized in earnings is the entire difference between the security’s amortized cost and estimated fair value. If neither of these conditions exists, the difference between the amortized cost of the security and the present value of projected future cash flows expected to be collected is recognized in earnings as a credit loss by establishing an ACL with a corresponding charge recorded in net investment gains (losses). However, the ACL is limited by the amount that the fair value is less than the amortized cost. This limitation is known as the “fair value floor.” If the estimated fair value is less than the present value of projected future cash flows expected to be collected, this portion of the decline in value related to other-than-credit factors (“noncredit loss”) is recorded in OCI as an unrecognized loss. For purchased credit deteriorated (“PCD”) fixed maturity securities AFS and financing receivables, an ACL is established at acquisition, which is added to the purchase price to establish the initial amortized cost of the investment and is not recognized in earnings. Equity Securities Equity securities are reported at their estimated fair value, with unrealized gains (losses) representing changes in estimated fair value recognized in net investment gains (losses). Sales of securities are determined on a specific identification basis. Dividends are recognized in net investment income when declared. Contractholder-Directed Equity Securities and Fair Value Option Securities Contractholder-directed equity securities and FVO securities (collectively, “Unit-linked and FVO securities”) are investments for which the FVO has been elected, or which are otherwise required to be carried at estimated fair value, and include: • contractholder-directed investments supporting unit-linked variable annuity type liabilities (“Unit-linked investments”) which do not qualify for presentation and reporting as separate account summary total assets and liabilities. These investments are primarily equity securities (including mutual funds). The investment returns on these investments inure to contractholders and are offset by a corresponding change in PABs through interest credited to PABs; and • fixed maturity and equity securities held-for-investment by the general account to support asset and liability management strategies for certain insurance products and investments in certain separate accounts. Interest income and dividend income on these investments are included in net investment income. Realized gains (losses) on investments sold or disposed and unrealized gains (losses), representing changes in estimated fair value, are both recognized in net investment income for Unit-linked investments and FVO securities. Sales of these investments are determined on a specific identification basis. Mortgage Loans The Company may originate or acquire mortgage loans and in certain cases transfer an interest to third parties under participation agreements. The Company accounts for transfers of an interest in a mortgage loan as sales if the transfers meet both the conditions of a participating interest and the conditions for sale accounting. A mortgage transfer that does not meet these conditions is recognized as a secured borrowing with a pledge of collateral. The Company disaggregates its mortgage loan investments into three portfolio segments: commercial, agricultural and residential. Also included in commercial mortgage loans are revolving line of credit loans collateralized by commercial properties. The accounting policies that are applicable to all portfolio segments are presented below and the accounting policies related to each of the portfolio segments are included in Note 11. The Company recognizes an ACL in earnings within net investment gains (losses) at time of purchase or origination based on expected lifetime credit loss on financing receivables carried at amortized cost, including, but not limited to, mortgage loans, in an amount that represents the portion of the amortized cost basis of such financing receivables that the Company does not expect to collect, resulting in financing receivables being presented at the net amount expected to be collected. The Company ceases to accrue interest when the collection of interest is not considered probable, which is based on a current evaluation of the status of the borrower, including the number of days past due. When a loan is placed on non-accrual status, uncollected past due accrued interest income that is considered uncollectible is charged-off against net investment income. Generally, the accrual of interest income resumes after all delinquent amounts are paid and management believes all future principal and interest payments will be collected. The Company records cash receipts on non-accruing loans in accordance with the loan agreement. The Company records charge-offs of mortgage loan balances not considered collectible upon the realization of a credit loss, for commercial and agricultural mortgage loans typically through foreclosure or after a decision is made to sell a loan, and for residential mortgage loans, typically after considering the individual consumer’s financial status. The charge-off is recorded in net investment gains (losses), net of amounts recognized in ACL. Cash recoveries on principal amounts previously charged-off are generally reported in net investment gains (losses). Mortgage loans are stated at unpaid principal balance, adjusted for any unamortized premium or discount, deferred fees or expenses, and are net of ACL. Interest income and prepayment fees are recognized when earned. Interest income is recognized using an effective yield method giving effect to amortization of premium and deferred expenses and accretion of discount and deferred fees. Also included in mortgage loans are residential mortgage loans for which the FVO was elected, and which are stated at estimated fair value. Changes in estimated fair value are recognized in net investment income. Mortgage loans that are designated as held-for-sale are carried at the lower of amortized cost or estimated fair value. Policy Loans Policy loans are stated at unpaid principal balances. Interest income is recognized as earned using the contractual interest rate. Generally, accrued interest is capitalized on the policy’s anniversary date. Valuation allowances are not established for policy loans, as they are fully collateralized by the cash surrender value of the underlying insurance policies. Any unpaid principal and accrued interest are deducted from the cash surrender value or the death benefit prior to settlement of the insurance policy. Real Estate Real estate is stated at cost less accumulated depreciation. Depreciation is recognized on a straight-line basis, without any provision for salvage value, over the estimated useful life of the asset (typically up to 55 years). Rental income is recognized on a straight-line basis over the term of the respective leases. The Company periodically reviews its real estate for impairment and tests for recoverability when the carrying value of the real estate is less than its estimated fair value and whenever events or changes in circumstances indicate the carrying value may not be recoverable. Properties whose carrying values are greater than their estimated undiscounted cash flows are written down to their estimated fair value, which is generally computed using the present value of expected future cash flows discounted at a rate commensurate with the underlying risks. Real estate for which the Company commits to a plan to sell within one year and actively markets in its current condition for a reasonable price in comparison to its estimated fair value is classified as held-for-sale and is not depreciated. Real estate held-for-sale is stated at the lower of depreciated cost or estimated fair value less expected disposition costs. Real Estate Joint Ventures and Other Limited Partnership Interests The Company uses the equity method of accounting or the FVO for an investee when it has more than a minor ownership interest or more than a minor influence over the investee’s operations but does not hold a controlling financial interest, including when the Company is not deemed the primary beneficiary of a VIE. Under the equity method, the Company recognizes its share of the investee's earnings within net investment income. Contributions paid by the Company increase carrying value and distributions received by the Company reduce carrying value. The Company generally recognizes its share of the investee’s earnings on a three-month lag in instances where the investee’s financial information is not sufficiently timely or when the investee’s reporting period differs from the Company’s reporting period. The Company accounts for its interest in real estate joint ventures and other limited partnership interests in which it has virtually no influence over the investee’s operations at estimated fair value. Unrealized gains (losses), representing changes in estimated fair value of these investments, are recognized in earnings within net investment gains (losses). Due to the nature and structure of these investments, they do not meet the characteristics of an equity security in accordance with applicable accounting guidance. The Company consolidates real estate joint ventures and other limited partnership interests of which it holds a controlling financial interest, or it is deemed the primary beneficiary of a VIE. Assets of certain consolidated real estate joint ventures and other limited partnership interests are initially recorded at estimated fair value. The Company elects the FVO for certain real estate joint ventures that are managed on a total return basis. Unrealized gains (losses) representing changes in estimated fair value for real estate joint ventures and other limited partnership interests recorded at estimated fair value are recognized in net investment income. The Company routinely evaluates its equity method investments for impairment whenever events or changes in circumstances indicate that the carrying amount is not recoverable and exceeds its estimated fair value. When it is determined an equity method investment has had a loss in value that is other than temporary, an impairment is recognized. Such an impairment is charged to net investment gains (losses). Short-term Investments Short-term investments include highly liquid securities and other investments with remaining maturities of one year or less, but greater than three months, at the time of purchase. Securities included within short-term investments are stated at estimated fair value, while other investments included within short-term investments are stated at amortized cost less ACL, which approximates estimated fair value. Other Invested Assets Other invested assets consist principally of the following: • Freestanding derivatives with positive estimated fair values which are described in “— Derivatives” below. • Net investment in direct financing leases is equal to the minimum lease payment receivables plus the unguaranteed residual value, less the unearned income, less ACL. Income is recognized by applying the pre-tax internal rate of return to the investment balance. The Company regularly reviews its minimum lease payment receivables for credit loss and residual value for impairments. Certain direct financing leases are linked to inflation. • Annuities funding structured settlement claims represent annuities funding claims assumed by the Company in its capacity as a structured settlements assignment company. The annuities are stated at their contract value, which represents the present value of the future periodic claim payments to be provided. The net investment income recognized reflects the amortization of discount of the annuity at its implied effective interest rate. • Investments in operating joint ventures that engage in insurance underwriting activities are accounted for under the equity method. • Company-owned life insurance policies (“COLI”) are carried at cash surrender value. • Tax credit and renewable energy partnerships which derive a significant source of investment return in the form of income tax credits or other tax incentives. The Company accounts for its tax credit and renewable energy investments under the equity method. See Note 22. • Investments in Federal Home Loan Bank of New York (“FHLBNY”) common stock are carried at redemption value and are considered restricted investments until redeemed by FHLBNY. Dividends are recognized in net investment income when declared. • Net investment in leveraged leases is equal to the minimum lease payment receivables plus the unguaranteed residual value, less the unearned income, less ACL and is reported net of non-recourse debt. Income is recognized by applying the leveraged lease’s estimated rate of return to the net investment in the lease in those periods in which the net investment at the beginning of the period is positive. Leveraged leases derive investment returns in part from their income tax benefit. The Company regularly reviews its minimum lease payment receivables for credit loss and residual value for impairments. • Funds withheld represent a receivable for amounts contractually withheld by ceding companies in accordance with reinsurance agreements. The Company recognizes interest on funds withheld at rates defined by the terms of the agreement which may be contractually specified or directly related to the underlying investments. Securities Lending Transactions and Repurchase Agreements The Company accounts for securities lending transactions and repurchase agreements as financing arrangements and the associated liability is recorded at the amount of cash received. The securities loaned or sold under these agreements are included in invested assets. Income and expenses associated with securities lending transactions and repurchase agreements are recognized as investment income and investment expense, respectively, within net investment income. Securities Lending Transactions The Company enters into securities lending transactions, whereby securities are loaned to unaffiliated financial institutions. The Company obtains collateral at the inception of the loan, usually cash, in an amount generally equal to 102% of the estimated fair value of the securities loaned, and maintains it at a level greater than or equal to 100% for the duration of the loan. Securities loaned under such transactions may be sold or re-pledged by the transferee. The Company is liable to return to the counterparties the cash collateral received. Security collateral on deposit from counterparties in connection with securities lending transactions may not be sold or re-pledged, unless the counterparty is in default, and is not reflected on the Company’s consolidated financial statements. The Company monitors the ratio of the collateral held to the estimated fair value of the securities loaned on a daily basis and additional collateral is obtained as necessary throughout the duration of the loan. Repurchase Agreements The Company participates in short-term repurchase agreements with unaffiliated financial institutions. Under these agreements, the Company sells securities and receives cash in an amount generally equal to 85% to 100% of the estimated fair value of the securities sold at the inception of the transaction, with a simultaneous agreement to repurchase such securities at a future date or on demand in an amount equal to the cash initially received plus interest. The Company monitors the ratio of the cash held to the estimated fair value of the securities sold throughout the duration of the transaction and additional cash or securities are obtained as necessary. Securities sold under such transactions may be sold or re-pledged by the transferee. Investment Risks and Uncertainties Investments are exposed to the following primary sources of risk: credit, interest rate, liquidity, market valuation, currency and real estate risk. The financial statement risks, stemming from such investment risks, are those associated with the determination of estimated fair values, the diminished ability to sell certain investments in times of strained market conditions, the recognition of ACL and impairments, the recognition of income on certain investments and the potential consolidation of VIEs. The use of different methodologies, assumptions and inputs relating to these financial statement risks may have a material effect on the amounts presented within the consolidated financial statements. The determination of ACL and impairments is highly subjective and is based upon quarterly evaluations and assessments of known and inherent risks associated with the respective asset class. Such evaluations and assessments are revised as conditions change and new information becomes available. The recognition of income on certain investments (e.g. structured securities, including mortgage-backed securities, asset-backed securities and collateralized loan obligations (“ABS & CLO”), certain structured investment transactions and FVO securities) is dependent upon certain factors such as prepayments and defaults, and changes in such factors could result in changes in amounts to be earned. Methodology for Amortization of Premium and Accretion of Discount on Structured Products Amortization of premium and accretion of discount on Structured Products considers the estimated timing and amount of prepayments of the underlying loans. Actual prepayment experience is periodically reviewed and effective yields are recalculated when differences arise between the originally anticipated and the actual prepayments received and currently anticipated. Prepayment assumptions for Structured Products are estimated using inputs obtained from third-party specialists and based on management’s knowledge of the current market. For credit-sensitive and certain prepayment-sensitive Structured Products, the effective yield is recalculated on a prospective basis. For all other Structured Products, the effective yield is recalculated on a retrospective basis. Maturities of Fixed Maturity Securities AFS Actual maturities may differ from contractual maturities due to the exercise of call or prepayment options. Fixed maturity securities AFS not due at a single maturity date have been presented in the year of final contractual maturity. Structured Products are shown separately, as they are not due at a single maturity. Evaluation of Fixed Maturity Securities AFS for Credit Loss Evaluation and Measurement Methodologies Management considers a wide range of factors about the security issuer and uses its best judgment in evaluating the cause of the decline in the estimated fair value of the security and in assessing the prospects for near-term recovery. Inherent in management’s evaluation of the security are assumptions and estimates about the operations of the issuer and its future earnings potential. Considerations used in the credit loss evaluation process include, but are not limited to: (i) the extent to which the estimated fair value has been below amortized cost, (ii) adverse conditions specifically related to a security, an industry sector or sub-sector, or an economically depressed geographic area, adverse change in the financial condition of the issuer of the security, changes in technology, discontinuance of a segment of the business that may affect future earnings, and changes in the quality of credit enhancement, (iii) payment structure of the security and likelihood of the issuer being able to make payments, (iv) failure of the issuer to make scheduled interest and principal payments, (v) whether the issuer, or series of issuers or an industry has suffered a catastrophic loss or has exhausted natural resources, (vi) whether the Company has the intent to sell or will more likely than not be required to sell, including transfers in connection with reinsurance transactions, a particular security before the decline in estimated fair value below amortized cost recovers, (vii) with respect to Structured Products, changes in forecasted cash flows after considering the changes in the financial condition of the underlying loan obligors and quality of underlying collateral, expected prepayment speeds, current and forecasted loss severity, consideration of the payment terms of the underlying assets backing a particular security, and the payment priority within the tranche structure of the security, (viii) changes in the rating of the security by a rating agency, and (ix) other subjective factors, including concentrations and information obtained from regulators. The methodology and significant inputs used to determine the amount of credit loss are as follows: • The Company calculates the recovery value by performing a discounted cash flow analysis based on the present value of future cash flows. The discount rate is generally the effective interest rate of the security at the time of purchase for fixed-rate securities and the spot rate at the date of evaluation of credit loss for floating-rate securities. • When determining collectability and the period over which value is expected to recover, the Company applies considerations utilized in its overall credit loss evaluation process which incorporates information regarding the specific security, fundamentals of the industry and geographic area in which the security issuer operates, and overall macroeconomic conditions. Projected future cash flows are estimated using assumptions derived from management’s single best estimate, the most likely outcome in a range of possible outcomes, after giving consideration to a variety of variables that include, but are not limited to: payment terms of the security; the likelihood that the issuer can service the interest and principal payments; the quality and amount of any credit enhancements; the security’s position within the capital structure of the issuer; possible corporate restructurings or asset sales by the issuer; any private and public sector programs to restructure foreign government securities and municipals; and changes to the rating of the security or the issuer by rating agencies. • Additional considerations are made when assessing the features that apply to certain Structured Products including, but not limited to: the quality of underlying collateral, historical performance of the underlying loan obligors, historical rent and vacancy levels, changes in the financial condition of the underlying loan obligors, expected prepayment speeds, current and forecasted loss severity, consideration of the payment terms of the underlying loans or assets backing a particular security, changes in the quality of credit enhancement and the payment priority within the tranche structure of the security. With respect to securities that have attributes of debt and equity (“perpetual hybrid securities”), consideration is given in the credit loss analysis as to whether there has been any deterioration in the credit of the issuer and the likelihood of recovery in value of the securities that are in a severe unrealized loss position. Consideration is also given as to whether any perpetual hybrid securities with an unrealized loss, regardless of credit rating, have deferred any dividend payments. In periods subsequent to the recognition of an initial ACL on a security, the Company reassesses credit loss quarterly. Subsequent increases or decreases in the expected cash flow from the security result in corresponding decreases or increases in the ACL which are recognized in earnings and reported within net investment gains (losses); however, the previously recorded ACL is not reduced to an amount below zero. Full or partial write-offs are deducted from the ACL in the period the security, or a portion thereof, is considered uncollectible. Recoveries of amounts previously written off are recorded to the ACL in the period received. When the Company has the intent-to-sell the security or it is more likely than not that the Company will be required to sell the security before recovery of its amortized cost, any ACL is written off and the amortized cost is written down to estimated fair value through a charge within net investment gains (losses), which becomes the new amortized cost of the security. Allowance for Credit Loss Methodology The Company records an allowance for expected lifetime credit loss in earnings within net investment gains (losses) in an amount that represents the portion of the amortized cost basis of mortgage loans that the Company does not expect to collect, resulting in mortgage loans being presented at the net amount expected to be collected. In determining the Company’s ACL, management applies significant judgment to estimate expected lifetime credit loss, including: (i) pooling mortgage loans that share similar risk characteristics, (ii) considering expected lifetime credit loss over the contractual term of its mortgage loans adjusted for expected prepayments and any extensions, and (iii) considering past events and current and forecasted economic conditions. Each of the Company’s commercial, agricultural and residential mortgage loan portfolio segments are evaluated separately. The ACL is calculated for each mortgage loan portfolio segment based on inputs unique to each loan portfolio segment. On a quarterly basis, mortgage loans within a portfolio segment that share similar risk characteristics, such as internal risk ratings or consumer credit scores, are pooled for calculation of ACL. On an ongoing basis, mortgage loans with dissimilar risk characteristics (i.e., loans with significant declines in credit quality), such as collateral dependent mortgage loans (i.e., when the borrower is experiencing financial difficulty, including when foreclosure is reasonably possible or probable), are evaluated individually for credit loss. The ACL for loans evaluated individually are established using the same methodologies for all three portfolio segments. For example, the ACL for a collateral dependent loan is established as the excess of amortized cost over the estimated fair value of the loan’s underlying collateral, less selling cost when foreclosure is probable. Accordingly, the change in the estimated fair value of collateral dependent loans, which are evaluated individually for credit loss, is recorded as a change in the ACL which is recorded on a quarterly basis as a charge or credit to earnings in net investment gains (losses). Commercial and Agricultural Mortgage Loan Portfolio Segments Within each loan portfolio segment, commercial and agricultural loans are pooled by internal risk rating. Estimated lifetime loss rates, which vary by internal risk rating, are applied to the amortized cost of each loan, excluding accrued investment income, on a quarterly basis to develop the ACL. Internal risk ratings are based on an assessment of the loan’s credit quality, which can change over time. The estimated lifetime loss rates are based on several loan portfolio segment-specific factors, including (i) the Company’s experience with defaults and loss severity, (ii) expected default and loss severity over the forecast period, (iii) current and forecasted economic conditions including growth, inflation, interest rates and unemployment levels, (iv) loan specific characteristics including loan-to-value (“LTV”) ratios, and (v) internal risk ratings. These evaluations are revised as conditions change and new information becomes available. The Company uses its several decades of historical default and loss severity experience which capture multiple economic cycles. The Company uses a forecast of economic assumptions for a two-year period for most of its commercial and agricultural mortgage loans, while a one-year period is used for loans originated in certain markets. After the applicable forecast period, the Company reverts to its historical loss experience using a straight-line basis over two years. For evaluations of commercial mortgage loans, in addition to historical experience, management considers factors that include the impact of a rapid change to the economy, which may not be reflected in the loan portfolio, recent loss and recovery trend experience as compared to historical loss and recovery experience, and loan specific characteristics including debt ser
Derivatives	Derivatives Freestanding Derivatives Freestanding derivatives are carried on the Company’s balance sheet either as assets within other invested assets or as liabilities within other liabilities at estimated fair value. The Company does not offset the estimated fair value amounts recognized for derivatives executed with the same counterparty under the same master netting agreement. Accruals on derivatives are generally recorded in accrued investment income or within other liabilities. However, accruals that are not scheduled to settle within one year are included with the derivative’s carrying value in other invested assets or other liabilities. If a derivative is not designated as an accounting hedge or its use in managing risk does not qualify for hedge accounting, changes in the estimated fair value of the derivative are reported in net derivative gains (losses) except as follows: Statement of Operations Presentation: Derivative: Net investment income • Economic hedges of equity method investments in joint ventures • Derivatives held within unit-linked investments • Economic hedges of FVO securities which are linked to equity indices Hedge Accounting To qualify for hedge accounting, at the inception of the hedging relationship, the Company formally documents its risk management objective and strategy for undertaking the hedging transaction, as well as its designation of the hedge. Hedge designation and financial statement presentation of changes in estimated fair value of the hedging derivatives are as follows: • Fair value hedge - a hedge of the estimated fair value of a recognized asset or liability - in the same line item as the earnings effect of the hedged item. The carrying value of the hedged recognized asset or liability is adjusted for changes in its estimated fair value due to the hedged risk. • Cash flow hedge - a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to a recognized asset or liability - in OCI and reclassified into the statement of operations when the Company’s earnings are affected by the variability in cash flows of the hedged item. • Net investment in a foreign operation (“NIFO”) hedge - in OCI, consistent with the translation adjustment for the hedged net investment in the foreign operation. The changes in estimated fair values of the hedging derivatives are exclusive of any accruals that are separately reported on the statement of operations within interest income or interest expense to match the location of the hedged item. Accruals on derivatives in net investment hedges are recognized in OCI. In its hedge documentation, the Company sets forth how the hedging instrument is expected to hedge the designated risks related to the hedged item and sets forth the method that will be used to retrospectively and prospectively assess the hedging instrument’s effectiveness. A derivative designated as a hedging instrument must be assessed as being highly effective in offsetting the designated risk of the hedged item. Hedge effectiveness is formally assessed at inception and at least quarterly throughout the life of the designated hedging relationship. Assessments of hedge effectiveness are also subject to interpretation and estimation and different interpretations or estimates may have a material effect on the amount reported in net income. The Company discontinues hedge accounting prospectively when: (i) it is determined that the derivative is no longer highly effective in offsetting changes in the estimated fair value or cash flows of a hedged item; (ii) the derivative expires, is sold, terminated, or exercised; (iii) it is no longer probable that the hedged forecasted transaction will occur; or (iv) the derivative is de-designated as a hedging instrument. When hedge accounting is discontinued because it is determined that the derivative is not highly effective in offsetting changes in the estimated fair value or cash flows of a hedged item, the derivative continues to be carried on the balance sheet at its estimated fair value, with changes in estimated fair value recognized in net derivative gains (losses). The carrying value of the hedged recognized asset or liability under a fair value hedge is no longer adjusted for changes in its estimated fair value due to the hedged risk, and the cumulative adjustment to its carrying value is amortized into income over the remaining life of the hedged item. The changes in estimated fair value of derivatives related to discontinued cash flow hedges remain in OCI unless it is probable that the hedged forecasted transaction will not occur. When hedge accounting is discontinued because it is no longer probable that the forecasted transactions will occur on the anticipated date or within two months of that date, the derivative continues to be carried on the balance sheet at its estimated fair value, with changes in estimated fair value recognized currently in net derivative gains (losses). Deferred gains and losses of a derivative recorded in OCI pursuant to the discontinued cash flow hedge of a forecasted transaction that is no longer probable of occurring are recognized immediately in net investment gains (losses). In all other situations in which hedge accounting is discontinued, the derivative is carried at its estimated fair value on the balance sheet, with changes in its estimated fair value recognized in the current period as net derivative gains (losses). Embedded Derivatives The Company issues certain products and investment contracts and is a party to certain reinsurance agreements that have embedded derivatives. The Company assesses each identified embedded derivative to determine whether it is required to be bifurcated. The embedded derivative is bifurcated from the host contract and accounted for as a freestanding derivative if: • the contract or contract feature does not meet the definition of a MRB; • the combined instrument is not accounted for in its entirety at estimated fair value with changes in estimated fair value recorded in earnings; • the terms of the embedded derivative are not clearly and closely related to the economic characteristics of the host contract; and • a separate instrument with the same terms as the embedded derivative would qualify as a derivative instrument. Such embedded derivatives are carried on the balance sheet at estimated fair value with the host contract and changes in their estimated fair value are reported in net derivative gains (losses). If the Company is unable to properly identify and measure an embedded derivative for separation from its host contract, the entire contract is carried on the balance sheet at estimated fair value, with changes in estimated fair value recognized in the current period in net investment gains (losses) or net investment income. Additionally, the Company may elect to carry an entire contract on the balance sheet at estimated fair value, with changes in estimated fair value recognized in the current period in net investment gains (losses) or net investment income if that contract contains an embedded derivative that requires bifurcation. Derivatives are financial instruments with values derived from interest rates, foreign currency exchange rates, credit spreads and/or other financial indices. Derivatives may be exchange-traded or contracted in the over-the-counter (“OTC”) market. Certain of the Company’s OTC derivatives are cleared and settled through central clearing counterparties (“OTC-cleared”), while others are bilateral contracts between two counterparties (“OTC-bilateral”). The types of derivatives the Company uses include swaps, forwards, futures and option contracts. To a lesser extent, the Company uses credit default swaps and structured interest rate swaps to synthetically replicate investment risks and returns which are not readily available in the cash markets. The Company designates and accounts for the following as fair value hedges when they have met the requirements of fair value hedging: (i) interest rate swaps to convert fixed rate assets and liabilities to floating rate assets and liabilities; (ii) foreign currency swaps to hedge the foreign currency fair value exposure of foreign currency denominated assets and liabilities; and (iii) foreign currency forwards to hedge the foreign currency fair value exposure of foreign currency denominated investments. Cash Flow Hedges The Company designates and accounts for the following as cash flow hedges when they have met the requirements of cash flow hedging: (i) interest rate swaps to convert floating rate assets and liabilities to fixed rate assets and liabilities; (ii) foreign currency swaps to hedge the foreign currency cash flow exposure of foreign currency denominated assets and liabilities; (iii) interest rate forwards and credit forwards to lock in the price to be paid for forward purchases of investments; (iv) interest rate swaps and interest rate forwards to hedge the forecasted purchases of fixed rate investments; and (v) interest rate swaps and interest rate forwards to hedge forecasted fixed rate borrowings. When net investments in foreign operations are sold or substantially liquidated, the amounts in AOCI are reclassified to the statement of operations. Credit Risk on Freestanding Derivatives The Company may be exposed to credit-related losses in the event of nonperformance by its counterparties to derivatives. Generally, the current credit exposure of the Company’s derivatives is limited to the net positive estimated fair value of derivatives at the reporting date after taking into consideration the existence of master netting or similar agreements and any collateral received pursuant to such agreements. The Company manages its credit risk related to derivatives by entering into transactions with creditworthy counterparties in jurisdictions in which it understands that close-out netting should be enforceable and establishing and monitoring exposure limits. The Company’s OTC-bilateral derivative transactions are governed by International Swaps and Derivatives Association, Inc. (“ISDA”) Master Agreements which provide for legally enforceable set-off and close-out netting of exposures to specific counterparties in the event of early termination of a transaction, which includes, but is not limited to, events of default and bankruptcy. In the event of an early termination, close-out netting permits the Company (subject to financial regulations such as the Orderly Liquidation Authority under Title II of Dodd-Frank) to set off receivables from the counterparty against payables to the same counterparty arising out of all included transactions and to apply collateral to the obligations, without application of the automatic stay, upon the counterparty’s bankruptcy. All of the Company’s ISDA Master Agreements also include Credit Support Annex provisions which require both the pledging and accepting of collateral in connection with its OTC-bilateral derivatives as required by applicable law. Additionally, the Company is required to pledge initial margin for certain new OTC-bilateral derivative transactions to third party custodians. The Company’s OTC-cleared derivatives are effected through central clearing counterparties and its exchange-traded derivatives are effected through regulated exchanges. Such positions are marked to market and margined on a daily basis (both initial margin and variation margin), and the Company has minimal exposure to credit-related losses in the event of nonperformance by brokers and central clearinghouses to such derivatives. See Note 13 for a description of the impact of credit risk on the valuation of derivatives.
Fair Value	Fair Value Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. In most cases, the exit price and the transaction (or entry) price will be the same at initial recognition. Subsequent to initial recognition, fair values are based on unadjusted quoted prices for identical assets or liabilities in active markets that are readily and regularly obtainable. When such unadjusted quoted prices are not available, estimated fair values are based on quoted prices in markets that are not active, quoted prices for similar but not identical assets or liabilities, or other observable inputs. If these inputs are not available, or observable inputs are not determinable, unobservable inputs and/or adjustments to observable inputs requiring significant management judgment are used to determine the estimated fair value of assets and liabilities. These unobservable inputs can be based on management’s judgment, assumptions or estimation and may not be observable in market activity. Unobservable inputs are based on management’s assumptions about the inputs market participants would use in pricing the assets.
Fair Value Transfer	Transfers between Levels Overall, transfers between levels occur when there are changes in the observability of inputs and market activity. Transfers into or out of Level 3: Assets and liabilities are transferred into Level 3 when a significant input cannot be corroborated with market observable data. This occurs when market activity decreases significantly and underlying inputs cannot be observed, current prices are not available, and/or when there are significant variances in quoted prices, thereby affecting transparency. Assets and liabilities are transferred out of Level 3 when circumstances change such that a significant input can be corroborated with market observable data. This may be due to a significant increase in market activity, a specific event, or one or more significant input(s) becoming observable.
Goodwill	Goodwill Goodwill represents the future economic benefits arising from net assets acquired in a business combination that are not individually identified and recognized. Goodwill is calculated as the excess of the cost of the acquired entity over the estimated fair value of such assets acquired and liabilities assumed. Goodwill is not amortized, but is tested for impairment at least annually, or more frequently if events or circumstances indicate that there may be justification for conducting an interim test. The Company performs its annual goodwill impairment testing during the third quarter based upon data as of the close of the second quarter. Goodwill associated with a business acquisition is not tested for impairment during the year the business is acquired unless there is a significant identified impairment event. The Company tests goodwill for impairment by performing a qualitative assessment and/or a quantitative test. The qualitative impairment assessment is an assessment of historical information and relevant current events and circumstances, including economic, industry and market considerations, to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount, including goodwill. The Company may elect not to perform the qualitative impairment assessment for some or all of its reporting units and perform a quantitative impairment test. In performing the quantitative impairment test, the Company may determine the fair values of its reporting units by applying a market multiple, discounted cash flow, and/or an actuarial-based valuation approach. The valuation methodologies utilized are subject to key judgments and assumptions that are sensitive to change. The impairment test is performed at the reporting unit level, which is the operating segment or a business one level below the operating segment, if discrete financial information is prepared and regularly reviewed by management at that level. For purposes of goodwill impairment testing, if the carrying value of a reporting unit exceeds its estimated fair value, an impairment charge would be recognized for the amount by which the carrying value exceeds the reporting unit’s fair value; however, the loss recognized would not exceed the total amount of goodwill allocated to that reporting unit. Additionally, the Company will consider income tax effects from any tax deductible goodwill on the carrying value of the reporting unit when measuring the goodwill impairment loss, if applicable. On an ongoing basis, the Company evaluates potential triggering events that may affect the estimated fair value of the Company’s reporting units to assess whether any goodwill impairment exists. Deteriorating or adverse economic, industry and market conditions for certain reporting units may have a significant impact on the estimated fair value of these reporting units and could result in future impairments of goodwill.
Employee Benefit Plans	Employee Benefit Plans Certain subsidiaries of MetLife, Inc. sponsor defined benefit pension plans and other postretirement benefit plans covering eligible employees. Measurement dates used for all of the subsidiaries’ defined benefit pension and other postretirement benefit plans correspond with the fiscal year ends of sponsoring subsidiaries, which is December 31 for U.S. and non-U.S. subsidiaries. The Company recognizes the funded status of each of its defined benefit pension and other postretirement benefit plans, measured as the difference between the fair value of plan assets and the benefit obligation, which is the projected benefit obligation (“PBO”) for pension benefits and the accumulated postretirement benefit obligation (“APBO”) for other postretirement benefits in other assets or other liabilities. Actuarial gains and losses result from differences between each plan’s actual experience and the assumed experience on plan assets or PBO/APBO during a particular period and are recorded in accumulated OCI (“AOCI”). To the extent such gains and losses exceed 10% of the greater of the PBO/APBO or the estimated fair value of plan assets, the excess is amortized into net periodic benefit costs, generally over the average projected future service years of the active employees. In addition, prior service costs (credit) are recognized in AOCI at the time of the amendment and then amortized to net periodic benefit costs over the average projected future service years of the active employees. Net periodic benefit costs are determined using management’s estimates and actuarial assumptions and are comprised of service cost, interest cost, settlement and curtailment costs, expected return on plan assets, amortization of net actuarial (gains) losses, and amortization of prior service costs (credit). Fair value is used to determine the expected return on plan assets. The subsidiaries also sponsor defined contribution plans for substantially all U.S. employees under which a portion of employee contributions is matched. Applicable matching contributions are made each payroll period. Accordingly, the Company recognizes compensation cost for current matching contributions. As all contributions are transferred currently as earned to the defined contribution plans, no liability for matching contributions is recognized on the balance sheets. Certain subsidiaries of MetLife, Inc. sponsor a U.S. qualified and various U.S. and non-U.S. nonqualified defined benefit pension plans covering employees who meet specified eligibility requirements. U.S. pension benefits are provided utilizing either a traditional formula or cash balance formula. The traditional formula provides benefits that are primarily based upon years of credited service and final average earnings. The cash balance formula utilizes hypothetical or notional accounts which credit participants with benefits equal to a percentage of eligible pay, as well as interest credits, determined annually based upon the annual rate of interest on 30-year U.S. Treasury securities, for each account balance. In September 2018, the U.S. qualified and nonqualified defined benefit pension plans were amended, effective January 1, 2023, to provide benefits accruals for all active participants under the cash balance formula and to cease future accruals under the traditional formula. The U.S. nonqualified pension plans provide supplemental benefits in excess of limits applicable to a qualified plan. The non-U.S. pension plans generally provide benefits based upon either years of credited service and earnings preceding retirement or points earned on job grades and other factors in years of service.
Income Tax	Income Tax MetLife, Inc. and its includable life insurance and non-life insurance subsidiaries file a consolidated U.S. federal income tax return in accordance with the provisions of the Internal Revenue Code of 1986, as amended. Non-includable subsidiaries file either separate individual corporate tax returns or separate consolidated tax returns. The Company’s accounting for income taxes represents management’s best estimate of various events and transactions. Deferred tax assets and liabilities resulting from temporary differences between the financial reporting and tax bases of assets and liabilities are measured at the balance sheet date using enacted tax rates expected to apply to taxable income in the years the temporary differences are expected to reverse. The realization of deferred tax assets depends upon the existence of sufficient taxable income within the carryback or carryforward periods under the tax law in the applicable tax jurisdiction. Valuation allowances are established against deferred tax assets when management determines, based on available information, that it is more likely than not that deferred income tax assets will not be realized. Significant judgment is required in determining whether valuation allowances should be established, as well as the amount of such allowances. When making such determination, the Company considers many factors, including: • the nature, frequency, and amount of cumulative financial reporting income and losses in recent years; • the jurisdiction in which the deferred tax asset was generated; • the length of time that carryforward can be utilized in the various taxing jurisdictions; • future taxable income exclusive of reversing temporary differences and carryforwards; • future reversals of existing taxable temporary differences; • taxable income in prior carryback years; and • tax planning strategies, including the intent and ability to hold certain AFS debt securities until they recover in value. The Company may be required to change its provision for income taxes when estimates used in determining valuation allowances on deferred tax assets significantly change or when receipt of new information indicates the need for adjustment in valuation allowances. Additionally, the effect of changes in tax laws, tax regulations, or interpretations of such laws or regulations, is recognized in net income tax expense (benefit) in the period of change. The Company determines whether it is more likely than not that a tax position will be sustained upon examination by the appropriate taxing authorities before any part of the benefit can be recorded on the financial statements. A tax position is measured at the largest amount of benefit that is greater than 50% likely of being realized upon settlement. Unrecognized tax benefits due to tax uncertainties that do not meet the threshold are included within other liabilities and are charged to earnings in the period that such determination is made. The Company classifies interest recognized as interest expense and penalties recognized as a component of income tax expense.
Litigation Contingencies	Litigation Contingencies The Company is a defendant in a large number of litigation matters and is involved in a number of regulatory investigations. Liabilities are established when it is probable that a loss has been incurred and the amount of the loss can be reasonably estimated. Except as otherwise disclosed in Note 24, legal costs are recognized as incurred. On a quarterly and annual basis, the Company reviews relevant information with respect to liabilities for litigation, regulatory investigations and litigation-related contingencies to be reflected on the Company’s consolidated financial statements.
Stock-based Compensation	Stock-Based Compensation The Company grants certain employees and directors stock-based compensation awards under various plans, subject to vesting conditions. The Company recognizes compensation expense in an amount fixed at grant date or remeasured quarterly as described in Note 19. The Company generally recognizes this expense over the vesting period. However, the Company truncates the expense period to the date the employee attained age-and-service criteria to exercise or receive payment for the award regardless of continued employment. In such a case, the Company does not accelerate award exercise or payment timing. The Company also takes an estimation of forfeitures into account. MetLife estimates the fair value of Stock Options on the date of grant using a binomial lattice model. The significant assumptions the Company uses in its binomial lattice model include: expected volatility of the price of Shares; risk-free rate of return; dividend yield on Shares; exercise multiple; and the post-vesting termination rate. MetLife bases expected volatility on an analysis of historical prices of Shares and call options on Shares traded on the open market. The Company uses a weighted-average of the implied volatility for publicly-traded call options with the longest remaining maturity nearest to the money as of each valuation date and the historical volatility, calculated using monthly closing prices of Shares. The Company chose a monthly measurement interval for historical volatility as this interval reflects the Company’s view that employee option exercise decisions are based on longer-term trends in the price of the underlying Shares rather than on daily price movements. The Company’s binomial lattice model incorporates different risk-free rates based on the imputed forward rates for U.S. Treasury Strips for each year over the contractual term of the option. The table below presents the full range of rates that were used for options granted during the respective periods. The Company determines dividend yield based on historical dividend distributions compared to the price of the underlying Shares as of the valuation date and held constant over the life of the Stock Option.
Cash and Cash Equivalents	Cash and Cash Equivalents The Company considers highly liquid securities and other investments purchased with an original or remaining maturity of three months or less at the date of purchase to be cash equivalents. Securities included within cash equivalents are stated at estimated fair value, while other investments included within cash equivalents are stated at amortized cost which approximates estimated fair value.
Property, Equipment, Leasehold Improvements and Computer Software	Property, Equipment, Leasehold Improvements and Computer Software Property, equipment and leasehold improvements, which are included in other assets, are stated at cost, less accumulated depreciation and amortization. Included in property and equipment are capitalized costs related to purchased software, as well as certain internal and external costs incurred to develop internal-use computer software during the application development stage. Depreciation and amortization on property and equipment are determined using the straight-line method over the estimated useful lives of the assets, generally ranging from four
Leases	Leases The Company, as lessee, has entered into various lease and sublease agreements for office space and equipment. At contract inception, the Company determines that an arrangement contains a lease if the contract conveys the right to control the use of an identified asset for a period of time in exchange for consideration. For contracts that contain a lease, the Company recognizes the ROU asset in other assets and the lease liability in other liabilities. The Company evaluates whether a ROU asset is impaired when events or changes in circumstances indicate that its carrying amount may not be recoverable. Leases with an initial term of 12 months or less are not recorded on the balance sheet and the associated lease costs are recorded as an expense on a straight-line basis over the lease term. ROU assets represent the Company’s right to use an underlying asset for the lease term and lease liabilities represent the Company’s obligation to make lease payments arising from the lease. ROU assets and lease liabilities are determined using the Company’s incremental borrowing rate based upon information available at commencement date to recognize the present value of lease payments over the lease term. ROU assets also include lease payments and excludes lease incentives. Lease terms may include options to extend or terminate the lease and are included in the lease measurement when it is reasonably certain that the Company will exercise that option. The Company has lease agreements with lease and non-lease components. The Company does not separate lease and non-lease components and accounts for these items as a single lease component for all asset classes. The majority of the Company’s leases and subleases are operating leases related to office space. The Company recognizes lease expense for operating leases on a straight-line basis over the lease term.
Other Revenues	Other Revenues Other revenues primarily include fees related to service contracts from customers for vision fee for service arrangements, prepaid legal plans, fee-based investment management, recordkeeping and administrative services, and administrative services-only contracts. Substantially all of the revenue from the services is recognized over time as the applicable services are provided or are made available to the customers. The revenue recognized includes variable consideration to the extent it is probable that a significant reversal will not occur. In addition to the service fees, other revenues also include certain stable value fees and other miscellaneous revenues. These fees and miscellaneous revenues are recognized as earned.
Policyholder Dividends	Policyholder Dividends Policyholder dividends are approved annually by the insurance subsidiaries’ boards of directors. The aggregate amount of policyholder dividends is related to actual interest, mortality, morbidity and expense experience for the year, as well as management’s judgment as to the appropriate level of statutory surplus to be retained by the insurance subsidiaries.
Foreign Currency	Foreign Currency Assets, liabilities and operations of foreign affiliates and subsidiaries, as well as investments accounted for under the equity method, are recorded based on the functional currency of each entity. The determination of the functional currency is made based on the appropriate economic and management indicators. For most of the Company’s foreign operations, the local currency is the functional currency. For certain other foreign operations, such as Japan, the local currency and one or more other currencies qualify as functional currencies. Assets and liabilities of foreign affiliates and subsidiaries are translated from the functional currency to U.S. dollars at the exchange rates in effect at each year-end and revenues and expenses are translated at the average exchange rates during the year. The resulting translation adjustments are charged or credited directly to OCI, net of applicable taxes. Gains and losses from foreign currency transactions, including the effect of re-measurement of monetary assets and liabilities to the appropriate functional currency, are reported as part of net investment gains (losses) in the period in which they occur.
Earnings Per Common Share	Earnings Per Common Share Basic earnings per common share are computed based on the weighted average number of common shares, or their equivalent, outstanding during the period. Diluted earnings per common share include the dilutive effect of the assumed exercise or issuance of stock-based awards using the treasury stock method. Under the treasury stock method, exercise or issuance of stock-based awards is assumed to occur with the proceeds used to purchase common stock at the average market price for the period. The difference between the number of shares assumed issued and number of shares assumed purchased represents the dilutive shares.
Closed Block	On April 7, 2000 (the “Demutualization Date”), Metropolitan Life Insurance Company (“MLIC”) converted from a mutual life insurance company to a stock life insurance company and became a wholly-owned subsidiary of MetLife, Inc. The conversion was pursuant to an order by the New York Superintendent of Insurance approving MLIC’s plan of reorganization, as amended (the “Plan of Reorganization”). On the Demutualization Date, MLIC established a closed block for the benefit of holders of certain individual life insurance policies of MLIC. Assets have been allocated to the closed block in an amount that has been determined to produce cash flows which, together with anticipated revenues from the policies included in the closed block, are reasonably expected to be sufficient to support obligations and liabilities relating to these policies, including, but not limited to, provisions for the payment of claims and certain expenses and taxes, and to provide for the continuation of policyholder dividend scales in effect for 1999, if the experience underlying such dividend scales continues, and for appropriate adjustments in such scales if the experience changes. At least annually, the Company compares actual and projected experience against the experience assumed in the then-current dividend scales. Dividend scales are adjusted periodically to give effect to changes in experience. The closed block assets, the cash flows generated by the closed block assets and the anticipated revenues from the policies in the closed block will benefit only the holders of the policies in the closed block. To the extent that, over time, cash flows from the assets allocated to the closed block and claims and other experience related to the closed block are, in the aggregate, more or less favorable than what was assumed when the closed block was established, total dividends paid to closed block policyholders in the future may be greater than or less than the total dividends that would have been paid to these policyholders if the policyholder dividend scales in effect for 1999 had been continued. Any cash flows in excess of amounts assumed will be available for distribution over time to closed block policyholders and will not be available to stockholders. If the closed block has insufficient funds to make guaranteed policy benefit payments, such payments will be made from assets outside of the closed block. The closed block will continue in effect as long as any policy in the closed block remains in-force. The expected life of the closed block is over 100 years from the Demutualization Date. The Company uses the same accounting principles to account for the participating policies included in the closed block as it used prior to the Demutualization Date. However, the Company establishes a policyholder dividend obligation for earnings that will be paid to policyholders as additional dividends as described below. The excess of closed block liabilities over closed block assets at the Demutualization Date (adjusted to eliminate the impact of related amounts in AOCI) represents the estimated maximum future earnings from the closed block expected to result from operations, attributed net of income tax, to the closed block. Earnings of the closed block are recognized in income over the period the policies and contracts in the closed block remain in-force. If, over the period the closed block remains in existence, the actual cumulative earnings of the closed block are greater than the expected cumulative earnings of the closed block, the Company will pay the excess to closed block policyholders as additional policyholder dividends unless offset by future unfavorable experience of the closed block and, accordingly, will recognize only the expected cumulative earnings in income with the excess recorded as a policyholder dividend obligation. If over such period, the actual cumulative earnings of the closed block are less than the expected cumulative earnings of the closed block, the Company will recognize only the actual earnings in income. However, the Company may change policyholder dividend scales in the future, which would be intended to increase future actual earnings until the actual cumulative earnings equal the expected cumulative earnings. At least annually, management performs a premium deficiency test using best estimate assumptions to determine whether the projected future earnings of the closed block are sufficient to support the payment of future closed block contractual benefits. The most recent deficiency test demonstrated that the projected future earnings of the closed block are sufficient to support the payment of future closed block contractual benefits. Experience within the closed block, in particular mortality and investment yields, as well as realized and unrealized gains and losses, directly impact the policyholder dividend obligation. Amortization of the closed block DAC, which resides outside of the closed block, is based upon policy count within the closed block.
New Accounting Pronouncements	Recent Accounting Pronouncements Changes to GAAP are established by the Financial Accounting Standards Board (“FASB”) in the form of ASUs to the FASB Accounting Standards Codification. The Company considers the applicability and impact of all ASUs. The following tables provide a description of ASUs recently issued by the FASB and the impact of their adoption on the Company’s consolidated financial statements. Adoption of ASU 2018-12 - Targeted Improvements to the Accounting for Long-Duration Contracts The Company adopted LDTI effective January 1, 2023 with a Transition Date of January 1, 2021. The standard required a full retrospective transition approach for MRBs, and allowed for a transition method election for FPBs and DAC, as well as other balances that have historically been amortized in a manner consistent with DAC. The Company has elected the modified retrospective transition approach for all FPBs, DAC, and related balances on all long-duration contracts, subject to the transition provisions. Additionally, an amendment in LDTI allowed entities to make an accounting policy election to exclude certain sold or disposed contracts or legal entities from application of the transition guidance. The Company did not make such an election. Under the modified retrospective approach, the Company was required to establish LDTI-compliant FPBs, DAC and related balances for the Company’s Transition Date opening balance sheet by utilizing the Company’s December 31, 2020 balances with certain adjustments as described below. The following table presents a summary of the Transition Date impacts associated with the implementation of LDTI to the consolidated balance sheet: Premiums, Reinsurance and Other Receivables Deferred Policy Acquisition Costs and Value of Business Acquired Other Future Policy Benefits Policyholder Account Balances Other Policy-related Balances Market Risk Benefit Liabilities Deferred Income Tax Liability Retained Earnings Accumulated Other Comprehensive Income (Loss) (In millions) Balances as reported, December 31, 2020 $ 17,870 $ 16,389 $ 11,685 $ 206,656 $ 205,176 $ 17,101 $ — $ 11,008 $ 36,491 $ 18,072 Reclassification of carrying amounts of contracts and contract features that are market risk benefits and adjustment to negative VOBA as a result of the full retrospective application of MRB guidance (59) — — (1,818) (958) (72) 2,789 — — — Adjustments for the difference between previous carrying amounts and fair value measurements for market risk benefits (12) — — — — — 5,112 (1,079) (4,121) 76 Removal of related amounts in accumulated other comprehensive income — 4,007 42 (7,911) — 1,043 — 2,405 — 8,512 Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 32 — — 719 — — — (160) (527) — Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 351 — — 34,119 — — — (7,438) — (26,330) Adjustments for the cumulative effect of adoption on additional insurance assets and liabilities 19 — — 83 — — — (13) (42) (9) Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (32) 21 15 (7,490) 7,519 (40) — — 23 (6) Balances as adjusted, January 1, 2021 $ 18,169 $ 20,417 $ 11,742 $ 224,358 $ 211,737 $ 18,032 $ 7,901 $ 4,723 $ 31,824 $ 315 The Transition Date impacts associated with the implementation of LDTI were applied as follows: Market Risk Benefits (See Note 6) The full retrospective transition approach for MRBs required assessing products to determine whether contract or contract features expose the Company to other than nominal capital market risk. The population of MRBs identified was then reviewed to determine the historical measurement model prior to adoption of LDTI. If the MRB was a bifurcated embedded derivative prior to the adoption of LDTI, the existing measurement approach was retained, except that the fair value of the MRB at inception was recalculated to isolate the contract issue date nonperformance risk of the Company. If, prior to the adoption of LDTI, the MRB was partially a bifurcated embedded derivative (e.g., a contract with multiple features where one was a bifurcated embedded derivative and one was an additional insurance liability), or was accounted for under a different model, the at-inception attributed fee ratio was calculated for every identified MRB, and using the at inception attributed fee ratio, the fair value of the MRB at the contract issue date was calculated to isolate the contract issue date nonperformance risk of the Company. At the Transition Date, the impacts to the financial statements of the full retrospective approach for MRBs include the following: • The amounts previously recorded for these contracts within additional insurance liabilities, embedded derivatives, and other insurance liabilities were reclassified to MRB liabilities and negative VOBA was adjusted as a result of the full retrospective application of MRB guidance; • The difference between the fair value of the MRBs and the previously recorded carrying value at the Transition Date, excluding the cumulative effect of changes in nonperformance risk of the Company, was recorded as an adjustment to the opening balance of retained earnings; • The cumulative effect of changes in nonperformance risk between the contract issue date and the Transition Date was recorded as an adjustment to opening AOCI as of the Transition Date; and • Corresponding reinsured MRB balances were established at the Transition Date, with changes in counterparty credit risk recorded in opening retained earnings as of the Transition Date and are classified within premiums, reinsurance and other receivables. Future Policy Benefits (See Note 4) Traditional Non-participating Long-duration products • Loss recognition balances related to unrealized investment gains associated with certain long-duration products previously recorded in AOCI were removed; • Contracts in-force as of the Transition Date were grouped into cohorts; a revised NPR was calculated for each cohort using the existing Transition Date balance, best estimate cash flow assumptions without a provision for adverse deviation, and the historical discount rates used for the contracts within the cohort prior to the adoption of LDTI (the “locked-in” discount rate). For any cohorts where the net premiums exceeded gross premiums (NPR exceeded 100%), the FPB was increased for the excess of net premiums over gross premiums, with a corresponding adjustment recorded to opening retained earnings as of the Transition Date; • The difference between the FPB balance calculated at the current upper-medium grade discount rate and the FPB balance calculated at the locked-in discount rate was recorded as an adjustment to opening AOCI as of the Transition Date; and • Corresponding adjustments were made to ceded reinsurance balances. Limited-payment Long-duration products Limited-payment long-duration products transition to LDTI follows a similar approach to traditional non-participating products, except that these product cohorts may have a DPL which is adjusted at the Transition Date. If an increase to FPB depleted the DPL, the remaining adjustment was recorded to opening retained earnings as of the Transition Date. Additional insurance liabilities • The contracts and contract features that met the definition of a MRB were reclassified; • The impact of updating assessments used in the calculation of the additional insurance liabilities to reflect the constant margin amortization basis for UREV liabilities was recorded as an adjustment to opening retained earnings and AOCI; and • Corresponding adjustments were made to ceded reinsurance balances. DAC and other balances to be amortized in a manner consistent with DAC (VOBA, DSI and UREV) (See Note 8 for information on DAC, VOBA and UREV) The opening balances of these accounts were adjusted for removal of the related amounts in AOCI, as these balances are no longer amortized using expected future gross premiums, margins, profits or earned premiums. Other balance sheet reclassifications and adjustments at LDTI adoption (See Notes 4,5 and 8) Individual income annuities reclassification Prior to the Transition Date, the Company classified all structured settlement and institutional income annuity products within FPBs. While the pre-LDTI GAAP reserving model was the same for these products, upon transition to LDTI, the reserving model for a subset of these products changed, requiring the Company to reclassify $7.4 billion of FPBs to PABs at the Transition Date. Other reclassifications and adjustments Other minor reclassifications and adjustments were made to conform to LDTI presentation requirements. December 31, 2022 As Previously Reported Adoption Post (In millions) Assets Premiums, reinsurance and other receivables $ 17,461 $ (97) $ 17,364 Market risk benefits $ — $ 280 $ 280 Deferred policy acquisition costs and value of business acquired $ 22,983 $ (3,330) $ 19,653 Deferred income tax asset $ 2,830 $ (391) $ 2,439 Other assets $ 11,026 $ (1) $ 11,025 Total assets $ 666,611 $ (3,539) $ 663,072 Liabilities Future policy benefits $ 204,228 $ (17,006) $ 187,222 Policyholder account balances $ 203,082 $ 7,515 $ 210,597 Market risk benefits $ — $ 3,763 $ 3,763 Other policy-related balances $ 19,651 $ (1,227) $ 18,424 Deferred income tax liability $ 325 $ 625 $ 950 Other liabilities $ 25,980 $ (47) $ 25,933 Total liabilities $ 639,324 $ (6,377) $ 632,947 Equity Retained earnings $ 41,953 $ (1,621) $ 40,332 Accumulated other comprehensive income (loss) $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.'s stockholders' equity $ 27,040 $ 2,841 $ 29,881 Noncontrolling interests $ 247 $ (3) $ 244 Total equity $ 27,287 $ 2,838 $ 30,125 Total liabilities and equity $ 666,611 $ (3,539) $ 663,072 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statement of operations: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Revenues Premiums $ 49,397 $ (887) $ 48,510 $ 42,009 $ (857) $ 41,152 Universal life and investment-type product policy fees $ 5,585 $ (360) $ 5,225 $ 5,756 $ (512) $ 5,244 Other revenues $ 2,634 $ (4) $ 2,630 $ 2,619 $ — $ 2,619 Net investment gains (losses) $ (1,262) $ 2 $ (1,260) $ 1,529 $ 14 $ 1,543 Net derivative gains (losses) $ (2,372) $ 121 $ (2,251) $ (2,228) $ (1,029) $ (3,257) Total revenues $ 69,898 $ (1,128) $ 68,770 $ 71,080 $ (2,384) $ 68,696 Expenses Policyholder benefits and claims $ 50,612 $ (1,105) $ 49,507 $ 43,954 $ (836) $ 43,118 Policyholder liability remeasurement (gains) losses $ — $ 114 $ 114 $ — $ (172) $ (172) Market risk benefit remeasurement (gains) losses $ — $ (3,674) $ (3,674) $ — $ (1,237) $ (1,237) Interest credited to policyholder account balances $ 3,692 $ 202 $ 3,894 $ 5,538 $ 33 $ 5,571 Policyholder dividends $ 701 $ 5 $ 706 $ 876 $ 4 $ 880 Other expenses $ 12,034 $ (175) $ 11,859 $ 12,586 $ (568) $ 12,018 Total expenses $ 67,039 $ (4,633) $ 62,406 $ 62,954 $ (2,776) $ 60,178 Income (loss) before provision for income tax $ 2,859 $ 3,505 $ 6,364 $ 8,126 $ 392 $ 8,518 Provision for income tax expense (benefit) $ 301 $ 761 $ 1,062 $ 1,551 $ 91 $ 1,642 Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Net income (loss) attributable to noncontrolling interests $ 19 $ (1) $ 18 $ 21 $ — $ 21 Net income (loss) attributable to MetLife, Inc. $ 2,539 $ 2,745 $ 5,284 $ 6,554 $ 301 $ 6,855 Net income (loss) available to MetLife, Inc.'s common shareholders $ 2,354 $ 2,745 $ 5,099 $ 6,353 $ 301 $ 6,654 Net income (loss) available to MetLife, Inc.'s common shareholders per common share: Basic $ 2.93 $ 3.42 $ 6.35 $ 7.36 $ 0.35 $ 7.71 Diluted $ 2.91 $ 3.39 $ 6.30 $ 7.31 $ 0.34 $ 7.65 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of comprehensive income: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Unrealized investment gains (losses), net of related offsets $ (47,831) $ (8,666) $ (56,497) $ (8,171) $ (4,669) $ (12,840) Future policy benefits discount rate remeasurement gains (losses) $ — $ 31,804 $ 31,804 $ — $ 10,102 $ 10,102 Market risk benefits instrument-specific credit risk remeasurement gains (losses) $ — $ (219) $ (219) $ — $ 257 $ 257 Foreign currency translation adjustments $ (1,242) $ 4 $ (1,238) $ (1,306) $ 40 $ (1,266) Other comprehensive income (loss), before income tax $ (48,879) $ 22,923 $ (25,956) $ (9,012) $ 5,730 $ (3,282) Income tax (expense) benefit related to items of other comprehensive income (loss) $ 10,871 $ (5,092) $ 5,779 $ 1,862 $ (1,343) $ 519 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) $ (7,150) $ 4,387 $ (2,763) Comprehensive income (loss) $ (35,450) $ 20,575 $ (14,875) $ (575) $ 4,688 $ 4,113 Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax $ 13 $ (2) $ 11 $ 24 $ — $ 24 Comprehensive income (loss) attributable to MetLife, Inc. $ (35,463) $ 20,577 $ (14,886) $ (599) $ 4,688 $ 4,089 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of equity: As Previously Reported Adoption Post (In millions) Retained Earnings Balance at December 31, 2020 $ 36,491 $ — $ 36,491 Cumulative effects of changes in accounting principles, net of income tax $ — $ (4,667) $ (4,667) Net income (loss) $ 6,554 $ 301 $ 6,855 Balance at December 31, 2021 $ 41,197 $ (4,366) $ 36,831 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Balance at December 31, 2022 $ 41,953 $ (1,621) $ 40,332 Accumulated Other Comprehensive Income (Loss) Balance at December 31, 2020 $ 18,072 $ — $ 18,072 Cumulative effects of changes in accounting principles, net of income tax $ — $ (17,757) $ (17,757) Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 10,919 $ (13,370) $ (2,451) Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.’s Stockholders’ Equity Balance at December 31, 2020 $ 74,558 $ — $ 74,558 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,554 $ 301 $ 6,855 Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 67,482 $ (17,736) $ 49,746 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ 27,040 $ 2,841 $ 29,881 Noncontrolling Interests Balance at December 31, 2021 $ 267 $ — $ 267 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 19 $ (1) $ 18 Other comprehensive income (loss), net of income tax $ (6) $ (1) $ (7) Balance at December 31, 2022 $ 247 $ (3) $ 244 Total Equity Balance at December 31, 2020 $ 74,817 $ — $ 74,817 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,575 $ 301 $ 6,876 Other comprehensive income (loss), net of income tax $ (7,150) $ 4,387 $ (2,763) Balance at December 31, 2021 $ 67,749 $ (17,736) $ 50,013 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 2,558 $ 2,744 $ 5,302 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) Balance at December 31, 2022 $ 27,287 $ 2,838 $ 30,125 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of cash flows: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Cash flows from operating activities Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Amortization of premiums and accretion of discounts associated with investments, net $ (960) $ (32) $ (992) $ (855) $ (19) $ (874) (Gains) losses on investments and from sales of businesses, net $ 1,262 $ (2) $ 1,260 $ (1,529) $ (14) $ (1,543) (Gains) losses on derivatives, net $ 4,317 $ (167) $ 4,150 $ 4,190 $ 486 $ 4,676 Interest credited to policyholder account balances $ 3,737 $ 34 $ 3,771 $ 5,490 $ 138 $ 5,628 Universal life and investment-type product policy fees $ (3,970) $ 1 $ (3,969) $ (3,638) $ (25) $ (3,663) Change in premiums, reinsurance and other receivables $ 256 $ 43 $ 299 $ 389 $ (27) $ 362 Change in market risk benefits $ — $ (3,347) $ (3,347) $ — $ (839) $ (839) Change in deferred policy acquisition costs and value of business acquired, net $ (568) $ (232) $ (800) $ (106) $ (602) $ (708) Change in income tax $ (591) $ 789 $ 198 $ 598 $ 258 $ 856 Change in other assets $ 27 $ 111 $ 138 $ (681) $ (327) $ (1,008) Change in insurance-related liabilities and policy-related balances $ 4,058 $ (121) $ 3,937 $ 4,553 $ 449 $ 5,002 Change in other liabilities $ 341 $ 19 $ 360 $ 71 $ (3) $ 68 Other, net $ 245 $ — $ 245 $ 138 $ (25) $ 113 Net cash provided by (used in) operating activities $ 13,204 $ (160) $ 13,044 $ 12,596 $ (249) $ 12,347 Cash flows from financing activities Policyholder account balances - deposits $ 103,036 $ 865 $ 103,901 $ 96,367 $ 839 $ 97,206 Policyholder account balances - withdrawals $ (97,886) $ (705) $ (98,591) $ (92,540) $ (590) $ (93,130) Net cash provided by (used in) financing activities $ (10,108) $ 160 $ (9,948) $ (1,375) $ 249 $ (1,126)

Organization, Consolidation and

Organization, Consolidation and Presentation of Financial Statements (Tables)	12 Months Ended
	Dec. 31, 2023
Accounting Policies [Abstract]
Summary of Market Data and Spreads Applied to Determine Upper-Medium Grade Discount Rate	The table below summarizes the market data and spreads applied to determine the upper-medium grade discount rate for products issued in key jurisdictions that are included in the disaggregated rollforwards in Note 4. Disaggregated rollforwards Jurisdiction Observable base curve Spread applied to derive upper-medium grade discount rate RIS Annuities, MetLife Holdings Long-term Care United States Single A curve No spread applied as there is an observable single A base discount curve. Asia - Whole and Term Life & Endowments, Asia - Accident & Health Japan Japanese government bond yield A spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to 10 years and held flat for years 10 to 30. Korea Korean government bond yield A spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to five years and held flat for years five to 30. Latin America Fixed Annuities Chile Chilean government bond yield A blended spread is applied based on local corporate bonds whose credit is deemed to approximate single A bonds. The spread is based on weighted average bond yields up to 10 years and held flat for years 10 to 25. Mexico Mexican government bond yield There are few public corporate bonds denominated in Mexican pesos with a credit rating higher than sovereign bonds. Therefore a spread is applied based on local corporate bond yields to approximate a single A equivalent bond.
Accounting Standards Update and Change in Accounting Principle	The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated balance sheet: December 31, 2022 As Previously Reported Adoption Post (In millions) Assets Premiums, reinsurance and other receivables $ 17,461 $ (97) $ 17,364 Market risk benefits $ — $ 280 $ 280 Deferred policy acquisition costs and value of business acquired $ 22,983 $ (3,330) $ 19,653 Deferred income tax asset $ 2,830 $ (391) $ 2,439 Other assets $ 11,026 $ (1) $ 11,025 Total assets $ 666,611 $ (3,539) $ 663,072 Liabilities Future policy benefits $ 204,228 $ (17,006) $ 187,222 Policyholder account balances $ 203,082 $ 7,515 $ 210,597 Market risk benefits $ — $ 3,763 $ 3,763 Other policy-related balances $ 19,651 $ (1,227) $ 18,424 Deferred income tax liability $ 325 $ 625 $ 950 Other liabilities $ 25,980 $ (47) $ 25,933 Total liabilities $ 639,324 $ (6,377) $ 632,947 Equity Retained earnings $ 41,953 $ (1,621) $ 40,332 Accumulated other comprehensive income (loss) $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.'s stockholders' equity $ 27,040 $ 2,841 $ 29,881 Noncontrolling interests $ 247 $ (3) $ 244 Total equity $ 27,287 $ 2,838 $ 30,125 Total liabilities and equity $ 666,611 $ (3,539) $ 663,072 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statement of operations: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Revenues Premiums $ 49,397 $ (887) $ 48,510 $ 42,009 $ (857) $ 41,152 Universal life and investment-type product policy fees $ 5,585 $ (360) $ 5,225 $ 5,756 $ (512) $ 5,244 Other revenues $ 2,634 $ (4) $ 2,630 $ 2,619 $ — $ 2,619 Net investment gains (losses) $ (1,262) $ 2 $ (1,260) $ 1,529 $ 14 $ 1,543 Net derivative gains (losses) $ (2,372) $ 121 $ (2,251) $ (2,228) $ (1,029) $ (3,257) Total revenues $ 69,898 $ (1,128) $ 68,770 $ 71,080 $ (2,384) $ 68,696 Expenses Policyholder benefits and claims $ 50,612 $ (1,105) $ 49,507 $ 43,954 $ (836) $ 43,118 Policyholder liability remeasurement (gains) losses $ — $ 114 $ 114 $ — $ (172) $ (172) Market risk benefit remeasurement (gains) losses $ — $ (3,674) $ (3,674) $ — $ (1,237) $ (1,237) Interest credited to policyholder account balances $ 3,692 $ 202 $ 3,894 $ 5,538 $ 33 $ 5,571 Policyholder dividends $ 701 $ 5 $ 706 $ 876 $ 4 $ 880 Other expenses $ 12,034 $ (175) $ 11,859 $ 12,586 $ (568) $ 12,018 Total expenses $ 67,039 $ (4,633) $ 62,406 $ 62,954 $ (2,776) $ 60,178 Income (loss) before provision for income tax $ 2,859 $ 3,505 $ 6,364 $ 8,126 $ 392 $ 8,518 Provision for income tax expense (benefit) $ 301 $ 761 $ 1,062 $ 1,551 $ 91 $ 1,642 Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Net income (loss) attributable to noncontrolling interests $ 19 $ (1) $ 18 $ 21 $ — $ 21 Net income (loss) attributable to MetLife, Inc. $ 2,539 $ 2,745 $ 5,284 $ 6,554 $ 301 $ 6,855 Net income (loss) available to MetLife, Inc.'s common shareholders $ 2,354 $ 2,745 $ 5,099 $ 6,353 $ 301 $ 6,654 Net income (loss) available to MetLife, Inc.'s common shareholders per common share: Basic $ 2.93 $ 3.42 $ 6.35 $ 7.36 $ 0.35 $ 7.71 Diluted $ 2.91 $ 3.39 $ 6.30 $ 7.31 $ 0.34 $ 7.65 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of comprehensive income: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Unrealized investment gains (losses), net of related offsets $ (47,831) $ (8,666) $ (56,497) $ (8,171) $ (4,669) $ (12,840) Future policy benefits discount rate remeasurement gains (losses) $ — $ 31,804 $ 31,804 $ — $ 10,102 $ 10,102 Market risk benefits instrument-specific credit risk remeasurement gains (losses) $ — $ (219) $ (219) $ — $ 257 $ 257 Foreign currency translation adjustments $ (1,242) $ 4 $ (1,238) $ (1,306) $ 40 $ (1,266) Other comprehensive income (loss), before income tax $ (48,879) $ 22,923 $ (25,956) $ (9,012) $ 5,730 $ (3,282) Income tax (expense) benefit related to items of other comprehensive income (loss) $ 10,871 $ (5,092) $ 5,779 $ 1,862 $ (1,343) $ 519 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) $ (7,150) $ 4,387 $ (2,763) Comprehensive income (loss) $ (35,450) $ 20,575 $ (14,875) $ (575) $ 4,688 $ 4,113 Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax $ 13 $ (2) $ 11 $ 24 $ — $ 24 Comprehensive income (loss) attributable to MetLife, Inc. $ (35,463) $ 20,577 $ (14,886) $ (599) $ 4,688 $ 4,089 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of equity: As Previously Reported Adoption Post (In millions) Retained Earnings Balance at December 31, 2020 $ 36,491 $ — $ 36,491 Cumulative effects of changes in accounting principles, net of income tax $ — $ (4,667) $ (4,667) Net income (loss) $ 6,554 $ 301 $ 6,855 Balance at December 31, 2021 $ 41,197 $ (4,366) $ 36,831 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Balance at December 31, 2022 $ 41,953 $ (1,621) $ 40,332 Accumulated Other Comprehensive Income (Loss) Balance at December 31, 2020 $ 18,072 $ — $ 18,072 Cumulative effects of changes in accounting principles, net of income tax $ — $ (17,757) $ (17,757) Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 10,919 $ (13,370) $ (2,451) Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.’s Stockholders’ Equity Balance at December 31, 2020 $ 74,558 $ — $ 74,558 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,554 $ 301 $ 6,855 Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 67,482 $ (17,736) $ 49,746 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ 27,040 $ 2,841 $ 29,881 Noncontrolling Interests Balance at December 31, 2021 $ 267 $ — $ 267 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 19 $ (1) $ 18 Other comprehensive income (loss), net of income tax $ (6) $ (1) $ (7) Balance at December 31, 2022 $ 247 $ (3) $ 244 Total Equity Balance at December 31, 2020 $ 74,817 $ — $ 74,817 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,575 $ 301 $ 6,876 Other comprehensive income (loss), net of income tax $ (7,150) $ 4,387 $ (2,763) Balance at December 31, 2021 $ 67,749 $ (17,736) $ 50,013 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 2,558 $ 2,744 $ 5,302 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) Balance at December 31, 2022 $ 27,287 $ 2,838 $ 30,125 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of cash flows: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Cash flows from operating activities Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Amortization of premiums and accretion of discounts associated with investments, net $ (960) $ (32) $ (992) $ (855) $ (19) $ (874) (Gains) losses on investments and from sales of businesses, net $ 1,262 $ (2) $ 1,260 $ (1,529) $ (14) $ (1,543) (Gains) losses on derivatives, net $ 4,317 $ (167) $ 4,150 $ 4,190 $ 486 $ 4,676 Interest credited to policyholder account balances $ 3,737 $ 34 $ 3,771 $ 5,490 $ 138 $ 5,628 Universal life and investment-type product policy fees $ (3,970) $ 1 $ (3,969) $ (3,638) $ (25) $ (3,663) Change in premiums, reinsurance and other receivables $ 256 $ 43 $ 299 $ 389 $ (27) $ 362 Change in market risk benefits $ — $ (3,347) $ (3,347) $ — $ (839) $ (839) Change in deferred policy acquisition costs and value of business acquired, net $ (568) $ (232) $ (800) $ (106) $ (602) $ (708) Change in income tax $ (591) $ 789 $ 198 $ 598 $ 258 $ 856 Change in other assets $ 27 $ 111 $ 138 $ (681) $ (327) $ (1,008) Change in insurance-related liabilities and policy-related balances $ 4,058 $ (121) $ 3,937 $ 4,553 $ 449 $ 5,002 Change in other liabilities $ 341 $ 19 $ 360 $ 71 $ (3) $ 68 Other, net $ 245 $ — $ 245 $ 138 $ (25) $ 113 Net cash provided by (used in) operating activities $ 13,204 $ (160) $ 13,044 $ 12,596 $ (249) $ 12,347 Cash flows from financing activities Policyholder account balances - deposits $ 103,036 $ 865 $ 103,901 $ 96,367 $ 839 $ 97,206 Policyholder account balances - withdrawals $ (97,886) $ (705) $ (98,591) $ (92,540) $ (590) $ (93,130) Net cash provided by (used in) financing activities $ (10,108) $ 160 $ (9,948) $ (1,375) $ 249 $ (1,126) The LDTI transition adjustments related to traditional and limited-payment contracts, DPLs, and additional insurance liabilities, as well as the associated ceded recoverables, as described in Note 1, were as follows at the Transition Date: RIS Annuities Asia Asia Latin America Fixed Annuities MetLife Holdings Long-Term Care MetLife Holdings Other Long-Duration Short-Duration and Other Total (In millions) Balance, future policy benefits, at December 31, 2020 $ 66,030 $ 17,990 $ 16,330 $ 8,393 $ 14,281 $ 51,148 $ 19,128 $ 13,356 $ 206,656 Removal of additional insurance liabilities for separate presentation (1) (4) — — — — — (6,561) — (6,565) Subtotal - pre-adoption balance, excluding additional liabilities 66,026 17,990 16,330 8,393 14,281 51,148 12,567 13,356 200,091 Removal of related amounts in AOCI (5,914) — — (295) (1,210) — (492) — (7,911) Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — — — — (176) — (176) Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 337 51 154 121 — — 56 — 719 Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 15,834 4,386 285 2,869 8,270 — 2,475 — 34,119 Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (7,416) 4 47 (1) — — (124) — (7,490) Removal of remeasured deferred profit liabilities for separate presentation (1) (2,897) (225) (691) (570) — — (275) — (4,658) Balance, traditional and limited-payment contracts, at January 1, 2021 $ 65,970 $ 22,206 $ 16,125 $ 10,517 $ 21,341 $ 51,148 $ 14,031 $ 13,356 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 $ 2,897 $ 225 $ 691 $ 570 $ — $ — $ 275 $ — $ 4,658 Balance, ceded recoverables on traditional and limited-payment contracts at December 31, 2020 $ 203 $ — $ 32 $ — $ — $ 1,052 $ 1,287 Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate 135 (15) (66) — — 297 351 Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach — — — — — 32 32 Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract 6 — (2) — — 10 14 Balance ceded recoverables on traditional and limited-payment contracts at January 1, 2021 $ 344 $ (15) $ (36) $ — $ — $ 1,391 $ 1,684 __________________ (1) LDTI requires separate disaggregated rollforwards of the additional insurance liabilities balance and the traditional and limited-payment FPBs. Therefore, the additional insurance liabilities and DPL amounts that are recorded in the FPB financial statement line item are removed to derive the opening balance of traditional and limited-payment contracts at the Transition Date. Asia Asia Universal and Variable Universal Life MetLife Holdings Universal and Variable Universal Life Other Long-Duration Total (In millions) Additional insurance liabilities at December 31, 2020 $ 1,824 $ 788 $ 1,976 $ 1,977 $ 6,565 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — (1,642) (1,642) Adjustments for the cumulative effect of adoption on additional insurance liabilities — — 38 45 83 Additional insurance liabilities at January 1, 2021 $ 1,824 $ 788 $ 2,014 $ 380 $ 5,006 Ceded recoverables on additional insurance liabilities at December 31, 2020 $ — $ — $ 719 $ 8 $ 727 Reclassification of carrying amounts of contracts and contract features that are reinsured market risk benefits — — — (8) (8) Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities — — 1 — 1 Ceded recoverables on additional insurance liabilities at January 1, 2021 $ — $ — $ 720 $ — $ 720 Balance, traditional and limited-payment contracts, at January 1, 2021 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 4,658 Balance, additional insurance liabilities at January 1, 2021 5,006 Total future policy benefits at January 1, 2021 $ 224,358 The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The transition adjustments related to DAC, VOBA, UREV and negative VOBA, as described in Note 1, were as follows at the Transition Date: Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Corporate & Other Total (In millions) DAC: Balance at December 31, 2020 $ 279 $ 130 $ 7,432 $ 1,344 $ 1,551 $ 2,679 $ 31 $ 13,446 Removal of related amounts in AOCI — — 2,309 50 — 1,621 — 3,980 Other adjustments upon adoption of the LDTI standard — — — — 14 11 — 25 Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 VOBA: Balance at December 31, 2020 $ — $ 25 $ 1,901 $ 748 $ 236 $ 33 $ — $ 2,943 Removal of related amounts in AOCI — — 14 8 — 5 — 27 Other adjustments upon adoption of the LDTI standard — — — — (4) — — (4) Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 UREV: Balance at December 31, 2020 $ — $ 42 $ 587 $ 740 $ 556 $ 188 $ — $ 2,113 Removal of related amounts in AOCI — — 1,029 95 (81) — — 1,043 Other adjustments upon adoption of the LDTI standard — — — — 7 — — 7 Balance at January 1, 2021 $ — $ 42 $ 1,616 $ 835 $ 482 $ 188 $ — $ 3,163 Negative VOBA: Balance at December 31, 2020 $ 738 Reclassification of carrying amounts of contracts and contract features that are market risk benefits (72) Balance at January 1, 2021 $ 666 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.

Segment Information (Tables)

Segment Information (Tables)	12 Months Ended
	Dec. 31, 2023
Segment Reporting [Abstract]
Segment Reporting Information, by Segment	Year Ended December 31, 2023 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total Adjustments Total (In millions) Revenues Premiums $ 21,558 $ 8,248 $ 5,251 $ 4,287 $ 2,016 $ 2,881 $ 42 $ 44,283 $ — $ 44,283 Universal life and investment-type product policy fees 878 313 1,632 1,398 298 632 1 5,152 — 5,152 Net investment income (1) 1,301 7,803 3,957 1,644 197 4,494 353 19,749 159 19,908 Other revenues 1,493 271 86 42 32 195 412 2,531 (5) 2,526 Net investment gains (losses) — — — — — — — — (2,824) (2,824) Net derivative gains (losses) — — — — — — — — (2,140) (2,140) Total revenues 25,230 16,635 10,926 7,371 2,543 8,202 808 71,715 (4,810) 66,905 Expenses Policyholder benefits and claims and policyholder dividends 19,164 11,269 4,333 4,094 984 5,350 23 45,217 (5) 45,212 Policyholder liability remeasurement (gains) losses (28) (131) 105 (25) (3) 37 — (45) — (45) Market risk benefit remeasurement (gains) losses — — — — — — — — (994) (994) Interest credited to policyholder account balances 193 2,887 2,301 426 72 730 — 6,609 1,251 7,860 Capitalization of DAC (20) (176) (1,583) (651) (457) (22) (8) (2,917) — (2,917) Amortization of DAC and VOBA 26 49 794 468 348 258 9 1,952 — 1,952 Amortization of negative VOBA — — (22) — (4) — — (26) — (26) Interest expense on debt 2 14 — 11 — 13 1,005 1,045 — 1,045 Other expenses 3,796 565 3,158 1,911 1,260 927 946 12,563 93 12,656 Total expenses 23,133 14,477 9,086 6,234 2,200 7,293 1,975 64,398 345 64,743 Provision for income tax expense (benefit) 442 450 558 297 78 176 (407) 1,594 (1,034) 560 Adjusted earnings $ 1,655 $ 1,708 $ 1,282 $ 840 $ 265 $ 733 $ (760) 5,723 Adjustments to: Total revenues (4,810) Total expenses (345) Provision for income tax (expense) benefit 1,034 Net income (loss) $ 1,602 $ 1,602 At December 31, 2023 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total (In millions) Total assets (1),(2) $ 36,715 $ 218,587 $ 157,206 $ 69,177 $ 18,596 $ 148,524 $ 38,779 $ 687,584 Separate account assets $ 1,159 $ 53,093 $ 9,187 $ 41,320 $ 4,327 $ 35,548 $ — $ 144,634 Separate account liabilities $ 1,159 $ 53,093 $ 9,187 $ 41,320 $ 4,327 $ 35,548 $ — $ 144,634 __________________ (1) Net investment income from equity method invested assets represents 0%, 1%, 4%, 1% and 2% of segment net investment income , and equity method invested assets represent 1%, 3%, 6%, 0% and 4% of segment total assets for the Group Benefits, RIS, Asia, Latin America and MetLife Holdings segments, respectively. (2) Asia segment total assets includes $132.2 billion of assets from the Company’s Japan operations which represents 19% of Company total assets. Year Ended December 31, 2022 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total Adjustments Total (In millions) Revenues Premiums $ 21,051 $ 13,619 $ 5,563 $ 3,224 $ 1,962 $ 3,066 $ (16) $ 48,469 $ 41 $ 48,510 Universal life and investment-type product policy fees 855 303 1,693 1,175 284 902 2 5,214 11 5,225 Net investment income (1) 1,136 6,204 3,909 1,593 160 4,914 273 18,189 (2,273) 15,916 Other revenues 1,360 392 90 39 35 155 396 2,467 163 2,630 Net investment gains (losses) — — — — — — — — (1,260) (1,260) Net derivative gains (losses) — — — — — — — — (2,251) (2,251) Total revenues 24,402 20,518 11,255 6,031 2,441 9,037 655 74,339 (5,569) 68,770 Expenses Policyholder benefits and claims and policyholder dividends 19,076 16,163 4,564 3,320 976 5,636 (6) 49,729 484 50,213 Policyholder liability remeasurement (gains) losses 7 (36) 69 (21) (6) 101 — 114 — 114 Market risk benefit remeasurement (gains) losses — — — — — — — — (3,674) (3,674) Interest credited to policyholder account balances 143 1,914 2,003 335 71 813 — 5,279 (1,385) 3,894 Capitalization of DAC (18) (113) (1,530) (494) (411) (29) (8) (2,603) (11) (2,614) Amortization of DAC and VOBA 26 40 745 410 323 270 9 1,823 8 1,831 Amortization of negative VOBA — — (24) — (5) — — (29) — (29) Interest expense on debt 1 8 — 12 — 8 909 938 — 938 Other expenses 3,478 484 3,153 1,520 1,171 953 709 11,468 265 11,733 Total expenses 22,713 18,460 8,980 5,082 2,119 7,752 1,613 66,719 (4,313) 62,406 Provision for income tax expense (benefit) 357 423 658 220 73 254 (343) 1,642 (580) 1,062 Adjusted earnings $ 1,332 $ 1,635 $ 1,617 $ 729 $ 249 $ 1,031 $ (615) 5,978 Adjustments to: Total revenues (5,569) Total expenses 4,313 Provision for income tax (expense) benefit 580 Net income (loss) $ 5,302 $ 5,302 At December 31, 2022 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total (In millions) Total assets (2) $ 35,849 $ 216,370 $ 148,305 $ 63,687 $ 16,860 $ 148,749 $ 33,252 $ 663,072 Separate account assets $ 990 $ 60,040 $ 8,292 $ 39,428 $ 3,314 $ 33,974 $ — $ 146,038 Separate account liabilities $ 990 $ 60,040 $ 8,292 $ 39,428 $ 3,314 $ 33,974 $ — $ 146,038 __________________ (1) Net investment income from equity method invested assets represents 1%, 6%, 12%, 3% and 6% of segment net investment income for the Group Benefits, RIS, Asia, Latin America and MetLife Holdings segments, respectively. (2) Asia segment total assets includes $125.1 billion of assets from the Company’s Japan operations which represents 19% of Company total assets. Year Ended December 31, 2021 Group Benefits RIS Asia Latin EMEA MetLife Corporate Total Adjustments Total (In millions) Revenues Premiums $ 20,475 $ 5,023 $ 6,421 $ 2,609 $ 2,274 $ 3,333 $ 35 $ 40,170 $ 982 $ 41,152 Universal life and investment-type product policy fees 829 311 1,626 1,140 387 923 2 5,218 26 5,244 Net investment income (1) 1,160 6,888 5,052 1,271 215 6,385 309 21,280 115 21,395 Other revenues 1,239 299 73 41 47 257 420 2,376 243 2,619 Net investment gains (losses) — — — — — — — — 1,543 1,543 Net derivative gains (losses) — — — — — — — — (3,257) (3,257) Total revenues 23,703 12,521 13,172 5,061 2,923 10,898 766 69,044 (348) 68,696 Expenses Policyholder benefits and claims and policyholder dividends 19,807 7,330 5,251 3,155 1,196 6,118 34 42,891 1,107 43,998 Policyholder liability remeasurement (gains) losses (5) (31) (152) (33) 32 16 — (173) 1 (172) Market risk benefit remeasurement (gains) losses — — — — — — — — (1,237) (1,237) Interest credited to policyholder account balances 127 1,550 1,994 249 86 840 — 4,846 725 5,571 Capitalization of DAC (19) (95) (1,601) (406) (469) (31) (11) (2,632) (119) (2,751) Amortization of DAC and VOBA 26 37 786 372 361 320 9 1,911 126 2,037 Amortization of negative VOBA — — (28) — (7) — — (35) — (35) Interest expense on debt 1 6 — 5 — 5 902 919 1 920 Other expenses 3,177 455 3,388 1,385 1,324 992 562 11,283 564 11,847 Total expenses 23,114 9,252 9,638 4,727 2,523 8,260 1,496 59,010 1,168 60,178 Provision for income tax expense (benefit) 126 678 1,017 60 94 535 (574) 1,936 (294) 1,642 Adjusted earnings $ 463 $ 2,591 $ 2,517 $ 274 $ 306 $ 2,103 $ (156) 8,098 Adjustments to: Total revenues (348) Total expenses (1,168) Provision for income tax (expense) benefit 294 Net income (loss) $ 6,876 $ 6,876 __________________ (1) Net investment income from equity method invested assets represents 5%, 26%, 30%, 7% and 26% of segment net investment income for the Group Benefits, RIS, Asia, Latin America and MetLife Holdings segments, respectively.
Revenue from External Customers by Products and Services	The following table presents total premiums, universal life and investment-type product policy fees and other revenues by major product groups of the Company’s segments, as well as Corporate & Other: Years Ended December 31, 2023 2022 2021 (In millions) Life insurance $ 22,111 $ 21,728 $ 22,742 Accident & health insurance 18,014 17,441 17,367 Annuities 10,193 15,657 6,394 Other 1,643 1,539 2,512 Total $ 51,961 $ 56,365 $ 49,015
Revenue from External Customers by Geographic Areas	The following table presents total premiums, universal life and investment-type product policy fees and other revenues associated with the Company’s U.S. and foreign operations: Years Ended December 31, 2023 2022 2021 (In millions) U.S. $ 36,869 $ 42,250 $ 34,191 Japan 5,020 5,460 6,183 Other 10,072 8,655 8,641 Total $ 51,961 $ 56,365 $ 49,015

Future Policy Benefits (Tables)

Future Policy Benefits (Tables)	12 Months Ended
	Dec. 31, 2023
Insurance [Abstract]
Accounting Standards Update and Change in Accounting Principle	The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated balance sheet: December 31, 2022 As Previously Reported Adoption Post (In millions) Assets Premiums, reinsurance and other receivables $ 17,461 $ (97) $ 17,364 Market risk benefits $ — $ 280 $ 280 Deferred policy acquisition costs and value of business acquired $ 22,983 $ (3,330) $ 19,653 Deferred income tax asset $ 2,830 $ (391) $ 2,439 Other assets $ 11,026 $ (1) $ 11,025 Total assets $ 666,611 $ (3,539) $ 663,072 Liabilities Future policy benefits $ 204,228 $ (17,006) $ 187,222 Policyholder account balances $ 203,082 $ 7,515 $ 210,597 Market risk benefits $ — $ 3,763 $ 3,763 Other policy-related balances $ 19,651 $ (1,227) $ 18,424 Deferred income tax liability $ 325 $ 625 $ 950 Other liabilities $ 25,980 $ (47) $ 25,933 Total liabilities $ 639,324 $ (6,377) $ 632,947 Equity Retained earnings $ 41,953 $ (1,621) $ 40,332 Accumulated other comprehensive income (loss) $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.'s stockholders' equity $ 27,040 $ 2,841 $ 29,881 Noncontrolling interests $ 247 $ (3) $ 244 Total equity $ 27,287 $ 2,838 $ 30,125 Total liabilities and equity $ 666,611 $ (3,539) $ 663,072 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statement of operations: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Revenues Premiums $ 49,397 $ (887) $ 48,510 $ 42,009 $ (857) $ 41,152 Universal life and investment-type product policy fees $ 5,585 $ (360) $ 5,225 $ 5,756 $ (512) $ 5,244 Other revenues $ 2,634 $ (4) $ 2,630 $ 2,619 $ — $ 2,619 Net investment gains (losses) $ (1,262) $ 2 $ (1,260) $ 1,529 $ 14 $ 1,543 Net derivative gains (losses) $ (2,372) $ 121 $ (2,251) $ (2,228) $ (1,029) $ (3,257) Total revenues $ 69,898 $ (1,128) $ 68,770 $ 71,080 $ (2,384) $ 68,696 Expenses Policyholder benefits and claims $ 50,612 $ (1,105) $ 49,507 $ 43,954 $ (836) $ 43,118 Policyholder liability remeasurement (gains) losses $ — $ 114 $ 114 $ — $ (172) $ (172) Market risk benefit remeasurement (gains) losses $ — $ (3,674) $ (3,674) $ — $ (1,237) $ (1,237) Interest credited to policyholder account balances $ 3,692 $ 202 $ 3,894 $ 5,538 $ 33 $ 5,571 Policyholder dividends $ 701 $ 5 $ 706 $ 876 $ 4 $ 880 Other expenses $ 12,034 $ (175) $ 11,859 $ 12,586 $ (568) $ 12,018 Total expenses $ 67,039 $ (4,633) $ 62,406 $ 62,954 $ (2,776) $ 60,178 Income (loss) before provision for income tax $ 2,859 $ 3,505 $ 6,364 $ 8,126 $ 392 $ 8,518 Provision for income tax expense (benefit) $ 301 $ 761 $ 1,062 $ 1,551 $ 91 $ 1,642 Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Net income (loss) attributable to noncontrolling interests $ 19 $ (1) $ 18 $ 21 $ — $ 21 Net income (loss) attributable to MetLife, Inc. $ 2,539 $ 2,745 $ 5,284 $ 6,554 $ 301 $ 6,855 Net income (loss) available to MetLife, Inc.'s common shareholders $ 2,354 $ 2,745 $ 5,099 $ 6,353 $ 301 $ 6,654 Net income (loss) available to MetLife, Inc.'s common shareholders per common share: Basic $ 2.93 $ 3.42 $ 6.35 $ 7.36 $ 0.35 $ 7.71 Diluted $ 2.91 $ 3.39 $ 6.30 $ 7.31 $ 0.34 $ 7.65 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of comprehensive income: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Unrealized investment gains (losses), net of related offsets $ (47,831) $ (8,666) $ (56,497) $ (8,171) $ (4,669) $ (12,840) Future policy benefits discount rate remeasurement gains (losses) $ — $ 31,804 $ 31,804 $ — $ 10,102 $ 10,102 Market risk benefits instrument-specific credit risk remeasurement gains (losses) $ — $ (219) $ (219) $ — $ 257 $ 257 Foreign currency translation adjustments $ (1,242) $ 4 $ (1,238) $ (1,306) $ 40 $ (1,266) Other comprehensive income (loss), before income tax $ (48,879) $ 22,923 $ (25,956) $ (9,012) $ 5,730 $ (3,282) Income tax (expense) benefit related to items of other comprehensive income (loss) $ 10,871 $ (5,092) $ 5,779 $ 1,862 $ (1,343) $ 519 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) $ (7,150) $ 4,387 $ (2,763) Comprehensive income (loss) $ (35,450) $ 20,575 $ (14,875) $ (575) $ 4,688 $ 4,113 Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax $ 13 $ (2) $ 11 $ 24 $ — $ 24 Comprehensive income (loss) attributable to MetLife, Inc. $ (35,463) $ 20,577 $ (14,886) $ (599) $ 4,688 $ 4,089 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of equity: As Previously Reported Adoption Post (In millions) Retained Earnings Balance at December 31, 2020 $ 36,491 $ — $ 36,491 Cumulative effects of changes in accounting principles, net of income tax $ — $ (4,667) $ (4,667) Net income (loss) $ 6,554 $ 301 $ 6,855 Balance at December 31, 2021 $ 41,197 $ (4,366) $ 36,831 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Balance at December 31, 2022 $ 41,953 $ (1,621) $ 40,332 Accumulated Other Comprehensive Income (Loss) Balance at December 31, 2020 $ 18,072 $ — $ 18,072 Cumulative effects of changes in accounting principles, net of income tax $ — $ (17,757) $ (17,757) Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 10,919 $ (13,370) $ (2,451) Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.’s Stockholders’ Equity Balance at December 31, 2020 $ 74,558 $ — $ 74,558 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,554 $ 301 $ 6,855 Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 67,482 $ (17,736) $ 49,746 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ 27,040 $ 2,841 $ 29,881 Noncontrolling Interests Balance at December 31, 2021 $ 267 $ — $ 267 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 19 $ (1) $ 18 Other comprehensive income (loss), net of income tax $ (6) $ (1) $ (7) Balance at December 31, 2022 $ 247 $ (3) $ 244 Total Equity Balance at December 31, 2020 $ 74,817 $ — $ 74,817 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,575 $ 301 $ 6,876 Other comprehensive income (loss), net of income tax $ (7,150) $ 4,387 $ (2,763) Balance at December 31, 2021 $ 67,749 $ (17,736) $ 50,013 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 2,558 $ 2,744 $ 5,302 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) Balance at December 31, 2022 $ 27,287 $ 2,838 $ 30,125 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of cash flows: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Cash flows from operating activities Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Amortization of premiums and accretion of discounts associated with investments, net $ (960) $ (32) $ (992) $ (855) $ (19) $ (874) (Gains) losses on investments and from sales of businesses, net $ 1,262 $ (2) $ 1,260 $ (1,529) $ (14) $ (1,543) (Gains) losses on derivatives, net $ 4,317 $ (167) $ 4,150 $ 4,190 $ 486 $ 4,676 Interest credited to policyholder account balances $ 3,737 $ 34 $ 3,771 $ 5,490 $ 138 $ 5,628 Universal life and investment-type product policy fees $ (3,970) $ 1 $ (3,969) $ (3,638) $ (25) $ (3,663) Change in premiums, reinsurance and other receivables $ 256 $ 43 $ 299 $ 389 $ (27) $ 362 Change in market risk benefits $ — $ (3,347) $ (3,347) $ — $ (839) $ (839) Change in deferred policy acquisition costs and value of business acquired, net $ (568) $ (232) $ (800) $ (106) $ (602) $ (708) Change in income tax $ (591) $ 789 $ 198 $ 598 $ 258 $ 856 Change in other assets $ 27 $ 111 $ 138 $ (681) $ (327) $ (1,008) Change in insurance-related liabilities and policy-related balances $ 4,058 $ (121) $ 3,937 $ 4,553 $ 449 $ 5,002 Change in other liabilities $ 341 $ 19 $ 360 $ 71 $ (3) $ 68 Other, net $ 245 $ — $ 245 $ 138 $ (25) $ 113 Net cash provided by (used in) operating activities $ 13,204 $ (160) $ 13,044 $ 12,596 $ (249) $ 12,347 Cash flows from financing activities Policyholder account balances - deposits $ 103,036 $ 865 $ 103,901 $ 96,367 $ 839 $ 97,206 Policyholder account balances - withdrawals $ (97,886) $ (705) $ (98,591) $ (92,540) $ (590) $ (93,130) Net cash provided by (used in) financing activities $ (10,108) $ 160 $ (9,948) $ (1,375) $ 249 $ (1,126) The LDTI transition adjustments related to traditional and limited-payment contracts, DPLs, and additional insurance liabilities, as well as the associated ceded recoverables, as described in Note 1, were as follows at the Transition Date: RIS Annuities Asia Asia Latin America Fixed Annuities MetLife Holdings Long-Term Care MetLife Holdings Other Long-Duration Short-Duration and Other Total (In millions) Balance, future policy benefits, at December 31, 2020 $ 66,030 $ 17,990 $ 16,330 $ 8,393 $ 14,281 $ 51,148 $ 19,128 $ 13,356 $ 206,656 Removal of additional insurance liabilities for separate presentation (1) (4) — — — — — (6,561) — (6,565) Subtotal - pre-adoption balance, excluding additional liabilities 66,026 17,990 16,330 8,393 14,281 51,148 12,567 13,356 200,091 Removal of related amounts in AOCI (5,914) — — (295) (1,210) — (492) — (7,911) Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — — — — (176) — (176) Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 337 51 154 121 — — 56 — 719 Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 15,834 4,386 285 2,869 8,270 — 2,475 — 34,119 Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (7,416) 4 47 (1) — — (124) — (7,490) Removal of remeasured deferred profit liabilities for separate presentation (1) (2,897) (225) (691) (570) — — (275) — (4,658) Balance, traditional and limited-payment contracts, at January 1, 2021 $ 65,970 $ 22,206 $ 16,125 $ 10,517 $ 21,341 $ 51,148 $ 14,031 $ 13,356 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 $ 2,897 $ 225 $ 691 $ 570 $ — $ — $ 275 $ — $ 4,658 Balance, ceded recoverables on traditional and limited-payment contracts at December 31, 2020 $ 203 $ — $ 32 $ — $ — $ 1,052 $ 1,287 Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate 135 (15) (66) — — 297 351 Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach — — — — — 32 32 Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract 6 — (2) — — 10 14 Balance ceded recoverables on traditional and limited-payment contracts at January 1, 2021 $ 344 $ (15) $ (36) $ — $ — $ 1,391 $ 1,684 __________________ (1) LDTI requires separate disaggregated rollforwards of the additional insurance liabilities balance and the traditional and limited-payment FPBs. Therefore, the additional insurance liabilities and DPL amounts that are recorded in the FPB financial statement line item are removed to derive the opening balance of traditional and limited-payment contracts at the Transition Date. Asia Asia Universal and Variable Universal Life MetLife Holdings Universal and Variable Universal Life Other Long-Duration Total (In millions) Additional insurance liabilities at December 31, 2020 $ 1,824 $ 788 $ 1,976 $ 1,977 $ 6,565 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — (1,642) (1,642) Adjustments for the cumulative effect of adoption on additional insurance liabilities — — 38 45 83 Additional insurance liabilities at January 1, 2021 $ 1,824 $ 788 $ 2,014 $ 380 $ 5,006 Ceded recoverables on additional insurance liabilities at December 31, 2020 $ — $ — $ 719 $ 8 $ 727 Reclassification of carrying amounts of contracts and contract features that are reinsured market risk benefits — — — (8) (8) Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities — — 1 — 1 Ceded recoverables on additional insurance liabilities at January 1, 2021 $ — $ — $ 720 $ — $ 720 Balance, traditional and limited-payment contracts, at January 1, 2021 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 4,658 Balance, additional insurance liabilities at January 1, 2021 5,006 Total future policy benefits at January 1, 2021 $ 224,358 The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The transition adjustments related to DAC, VOBA, UREV and negative VOBA, as described in Note 1, were as follows at the Transition Date: Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Corporate & Other Total (In millions) DAC: Balance at December 31, 2020 $ 279 $ 130 $ 7,432 $ 1,344 $ 1,551 $ 2,679 $ 31 $ 13,446 Removal of related amounts in AOCI — — 2,309 50 — 1,621 — 3,980 Other adjustments upon adoption of the LDTI standard — — — — 14 11 — 25 Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 VOBA: Balance at December 31, 2020 $ — $ 25 $ 1,901 $ 748 $ 236 $ 33 $ — $ 2,943 Removal of related amounts in AOCI — — 14 8 — 5 — 27 Other adjustments upon adoption of the LDTI standard — — — — (4) — — (4) Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 UREV: Balance at December 31, 2020 $ — $ 42 $ 587 $ 740 $ 556 $ 188 $ — $ 2,113 Removal of related amounts in AOCI — — 1,029 95 (81) — — 1,043 Other adjustments upon adoption of the LDTI standard — — — — 7 — — 7 Balance at January 1, 2021 $ — $ 42 $ 1,616 $ 835 $ 482 $ 188 $ — $ 3,163 Negative VOBA: Balance at December 31, 2020 $ 738 Reclassification of carrying amounts of contracts and contract features that are market risk benefits (72) Balance at January 1, 2021 $ 666 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.
Schedule of Liability for Future Policy Benefits, by Product Segment	The Company’s future policy benefits on the consolidated balance sheets was as follows at: December 31, 2023 2022 (In millions) Traditional and Limited-Payment Contracts: RIS - Annuities $ 64,324 $ 58,495 Asia: Whole and term life & endowments 12,874 12,792 Accident & health 10,712 10,040 Latin America - Fixed annuities 9,637 9,265 MetLife Holdings - Long-term care 15,240 13,845 Deferred Profit Liabilities: RIS - Annuities 3,697 3,327 Asia: Whole and term life & endowments 654 510 Accident & health 830 760 Latin America - Fixed annuities 562 560 Additional Insurance Liabilities: Asia: Variable life 1,258 1,381 Universal and variable universal life 424 455 MetLife Holdings - Universal and variable universal life 2,362 2,156 MetLife Holdings - Participating life 49,543 50,371 Other long-duration (1) 11,099 10,101 Short-duration and other 13,190 13,164 Total $ 196,406 $ 187,222 __________________ (1) This balance represents liabilities for various smaller product lines across multiple segments, as well as Corporate & Other.
Liability for Future Policy Benefit, Activity	Information regarding these products was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ — $ — $ — Balance at January 1, at original discount rate $ — $ — $ — Effect of changes in cash flow assumptions (1) — — — Effect of actual variances from expected experience (2) (106) (94) (60) Adjusted balance (106) (94) (60) Issuances 6,572 12,672 3,995 Net premiums collected (6,466) (12,578) (3,935) Balance at December 31, at original discount rate — — — Balance at December 31, at current discount rate at balance sheet date $ — $ — $ — Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 58,695 $ 62,954 $ 64,896 Balance at January 1, at original discount rate $ 61,426 $ 50,890 $ 49,061 Effect of changes in cash flow assumptions (1) (284) (115) (130) Effect of actual variances from expected experience (2) (270) (175) (270) Adjusted balance 60,872 50,600 48,661 Issuances 6,588 12,770 4,060 Interest accrual 2,897 2,519 2,336 Benefit payments (5,620) (4,463) (4,167) Balance at December 31, at original discount rate 64,737 61,426 50,890 Effect of changes in discount rate assumptions (222) (2,731) 12,064 Balance at December 31, at current discount rate at balance sheet date 64,515 58,695 62,954 Cumulative amount of fair value hedging adjustments (191) (200) 727 Net liability for future policy benefits 64,324 58,495 63,681 Less: Reinsurance recoverables 269 — 312 Net liability for future policy benefits, net of reinsurance $ 64,055 $ 58,495 $ 63,369 Undiscounted - Expected future benefit payments $ 130,878 $ 113,932 $ 96,623 Discounted - Expected future benefit payments (at current discount rate at balance sheet date) $ 64,515 $ 58,695 $ 62,954 Weighted-average duration of the liability 9 years 9 years 12 years Weighted-average interest accretion (original locked-in) rate 4.7 % 4.6 % 4.8 % Weighted-average current discount rate at balance sheet date 5.1 % 5.5 % 2.9 % __________________ (1) For the years ended December 31, 2023 and 2021, the net effect of changes in cash flow assumptions was largely offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $211 million and $112 million, respectively. For the year ended December 31, 2022, the net effect of changes in cash flow assumptions was more than offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $128 million. (2) For the year ended December 31, 2023, the net effect of actual variances from expected experience was largely offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $118 million. For the year ended December 31, 2022, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $46 million. For the year ended December 31, 2021, the net effect of actual variances from expected experience was substantially offset by the corresponding impact in DPL associated with the RIS segment’s annuity products of $197 million. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ 4,682 $ 5,986 $ 7,396 Balance at January 1, at original discount rate $ 4,943 $ 5,881 $ 7,243 Effect of changes in cash flow assumptions (1) 11 69 (60) Effect of actual variances from expected experience (2) (62) 28 (80) Adjusted balance 4,892 5,978 7,103 Issuances 730 231 208 Interest accrual 59 44 51 Net premiums collected (611) (615) (777) Effect of foreign currency translation (277) (695) (704) Balance at December 31, at original discount rate 4,793 4,943 5,881 Effect of changes in discount rate assumptions (242) (247) 117 Effect of foreign currency translation on the effect of changes in discount rate assumptions 10 (14) (12) Balance at December 31, at current discount rate at balance sheet date $ 4,561 $ 4,682 $ 5,986 Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 17,463 $ 24,453 $ 29,581 Balance at January 1, at original discount rate $ 18,209 $ 21,276 $ 25,063 Effect of changes in cash flow assumptions (1) 58 96 (108) Effect of actual variances from expected experience (2) (30) 54 (70) Adjusted balance 18,237 21,426 24,885 Issuances 729 231 208 Interest accrual 370 364 422 Benefit payments (1,174) (1,406) (1,794) Effect of foreign currency translation (964) (2,406) (2,445) Balance at December 31, at original discount rate 17,198 18,209 21,276 Effect of changes in discount rate assumptions 224 (475) 3,545 Effect of foreign currency translation on the effect of changes in discount rate assumptions 13 (271) (368) Balance at December 31, at current discount rate at balance sheet date 17,435 17,463 24,453 Cumulative impact of flooring the future policyholder benefits reserve — 11 5 Net liability for future policy benefits 12,874 12,792 18,472 Less: Amount due to reinsurer (1) (1) (10) Net liability for future policy benefits, net of reinsurance $ 12,875 $ 12,793 $ 18,482 Undiscounted: Expected future gross premiums $ 9,331 $ 9,369 $ 11,097 Expected future benefit payments $ 28,130 $ 28,507 $ 32,372 Discounted (at current discount rate at balance sheet date): Expected future gross premiums $ 8,067 $ 8,086 $ 10,377 Expected future benefit payments $ 17,435 $ 17,463 $ 24,453 Weighted-average duration of the liability 17 years 15 years 18 years Weighted -average interest accretion (original locked-in) rate 2.5 % 2.3 % 2.3 % Weighted-average current discount rate at balance sheet date 2.6 % 2.7 % 1.5 % __________________ (1) For the year ended December 31, 2023, the net effect of changes in cash flow assumptions was not offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment products due to the diversification of the products and the underlying characteristics. For the years ended December 31, 2022 and 2021, the net effect of changes in cash flow assumptions was partially offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment products of ($13) million and $1 million, respectively. (2) For the years ended December 31, 2023 and 2022, the net effect of actual variances from expected experience was not offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment product due to the diversification of the products and the underlying characteristics. For the year ended December 31, 2021, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the Asia segment’s whole and term life & endowment products of ($6) million. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ 21,181 $ 26,543 $ 30,327 Balance at January 1, at original discount rate $ 22,594 $ 25,937 $ 29,456 Effect of changes in cash flow assumptions (1) 867 24 64 Effect of actual variances from expected experience (2) (158) 297 101 Adjusted balance 23,303 26,258 29,621 Issuances 1,030 1,387 1,488 Interest accrual 236 250 311 Net premiums collected (2,016) (2,160) (2,509) Effect of foreign currency translation (1,321) (3,141) (2,974) Balance at December 31, at original discount rate 21,232 22,594 25,937 Effect of changes in discount rate assumptions (1,449) (1,341) 674 Effect of foreign currency translation on the effect of changes in discount rate assumptions 52 (72) (68) Balance at December 31, at current discount rate at balance sheet date $ 19,835 $ 21,181 $ 26,543 Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 30,879 $ 41,874 $ 46,282 Balance at January 1, at original discount rate $ 37,189 $ 41,517 $ 45,296 Effect of changes in cash flow assumptions (1) 898 (7) 126 Effect of actual variances from expected experience (2) (180) 363 105 Adjusted balance 37,907 41,873 45,527 Issuances 1,028 1,387 1,487 Interest accrual 485 498 578 Benefit payments (1,279) (1,613) (1,458) Effect of foreign currency translation (2,131) (4,956) (4,617) Balance at December 31, at original discount rate 36,010 37,189 41,517 Effect of changes in discount rate assumptions (5,793) (6,291) 394 Effect of foreign currency translation on the effect of changes in discount rate assumptions 263 (19) (37) Balance at December 31, at current discount rate at balance sheet date 30,480 30,879 41,874 Cumulative impact of flooring the future policyholder benefits reserve 67 342 68 Net liability for future policy benefits 10,712 10,040 15,399 Less: Reinsurance recoverables/(Amount due to reinsurer) 142 143 (11) Net liability for future policy benefits, net of reinsurance $ 10,570 $ 9,897 $ 15,410 Undiscounted: Expected future gross premiums $ 41,734 $ 43,440 $ 49,959 Expected future benefit payments $ 47,046 $ 48,147 $ 53,327 Discounted (at current discount rate at balance sheet date): Expected future gross premiums $ 34,356 $ 36,179 $ 45,872 Expected future benefit payments $ 30,480 $ 30,879 $ 41,874 Weighted-average duration of the liability 25 years 17 years 30 years Weighted-average interest accretion (original locked-in) rate 1.7 % 1.7 % 1.7 % Weighted-average current discount rate at balance sheet date 2.5 % 2.7 % 1.4 % __________________ (1) For the year ended December 31, 2023, the net effect of changes in cash flow assumptions was partially offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of ($10) million. For the years ended December 31, 2022 and 2021 the net effect of changes in cash flow assumptions was more than offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of $44 million and ($69) million, respectively. (2) For the years ended December 31, 2023 and 2022, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of $4 million and ($20) million, respectively. For the year ended December 31, 2021, the net effect of actual variances from expected experience was more than offset by the corresponding impact in DPL associated with the Asia segment’s accident & health products of ($58) million. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ — $ — $ — Balance at January 1, at original discount rate $ — $ — $ — Effect of changes in cash flow assumptions (1) — — — Effect of actual variances from expected experience (2) — 1 1 Adjusted balance — 1 1 Issuances 1,045 714 415 Interest accrual 29 (3) (6) Net premiums collected (1,074) (712) (410) Balance at December 31, at original discount rate — — — Balance at December 31, at current discount rate at balance sheet date $ — $ — $ — Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 9,265 $ 7,343 $ 10,517 Balance at January 1, at original discount rate $ 8,240 $ 6,851 $ 7,649 Effect of changes in cash flow assumptions (1) (5) (8) (37) Effect of actual variances from expected experience (2) (31) (32) 2 Adjusted balance 8,204 6,811 7,614 Issuances 1,153 757 491 Interest accrual 341 286 294 Benefit payments (671) (560) (749) Inflation adjustment 415 896 464 Effect of foreign currency translation (193) 50 (1,263) Balance at December 31, at original discount rate 9,249 8,240 6,851 Effect of changes in discount rate assumptions 391 1,026 658 Effect of foreign currency translation on the effect of changes in discount rate assumptions (3) (1) (166) Balance at December 31, at current discount rate at balance sheet date 9,637 9,265 7,343 Net liability for future policy benefits $ 9,637 $ 9,265 $ 7,343 Undiscounted - Expected future benefit payments $ 13,994 $ 12,675 $ 10,712 Discounted - Expected future benefit payments (at current discount rate at balance sheet date) $ 9,637 $ 9,265 $ 7,343 Weighted-average duration of the liability 11 years 11 years 11 years Weighted-average interest accretion (original locked-in) rate 3.6 % 3.9 % 4.2 % Weighted-average current discount rate at balance sheet date 3.3 % 2.7 % 3.2 % __________________ (1) For the years ended December 31, 2023, 2022 and 2021, the net effect of changes in cash flow assumptions was largely offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products of $4 million, $7 million and $30 million, respectively. (2) For the year ended December 31, 2023, the net effect of actual variances from expected experience was not offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products primarily due to the variance coming from cohorts with no DPL. F or the year ended December 31, 2022, the net effect of actual variances from expected experience was partially offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products of $20 million. For the year ended December 31, 2021, the net effect of actual variances from expected experience was more than offset by the corresponding impact in DPL associated with the Latin America segment’s fixed annuity products of ($28) million. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Present Value of Expected Net Premiums Balance at January 1, at current discount rate at balance sheet date $ 5,775 $ 7,058 $ 7,142 Balance at January 1, at original discount rate $ 5,807 $ 5,699 $ 5,516 Effect of changes in cash flow assumptions (152) 272 270 Effect of actual variances from expected experience 199 120 183 Adjusted balance 5,854 6,091 5,969 Interest accrual 294 298 287 Net premiums collected (582) (582) (557) Balance at December 31, at original discount rate 5,566 5,807 5,699 Effect of changes in discount rate assumptions 121 (32) 1,359 Balance at December 31, at current discount rate at balance sheet date $ 5,687 $ 5,775 $ 7,058 Present Value of Expected Future Policy Benefits Balance at January 1, at current discount rate at balance sheet date $ 19,619 $ 27,627 $ 28,483 Balance at January 1, at original discount rate $ 20,165 $ 19,406 $ 18,586 Effect of changes in cash flow assumptions (190) 301 276 Effect of actual variances from expected experience 223 115 188 Adjusted balance 20,198 19,822 19,050 Interest accrual 1,070 1,043 998 Benefit payments (774) (700) (642) Balance at December 31, at original discount rate 20,494 20,165 19,406 Effect of changes in discount rate assumptions 433 (546) 8,221 Balance at December 31, at current discount rate at balance sheet date 20,927 19,619 27,627 Other adjustments — 1 — Net liability for future policy benefits $ 15,240 $ 13,845 $ 20,569 Undiscounted: Expected future gross premiums $ 10,603 $ 11,201 $ 11,404 Expected future benefit payments $ 45,016 $ 45,872 $ 45,835 Discounted (at current discount rate at balance sheet date ): Expected future gross premiums $ 7,139 $ 7,200 $ 9,049 Expected future benefit payments $ 20,927 $ 19,619 $ 27,627 Weighted-average duration of the liability 15 years 15 years 18 years Weighted-average interest accretion (original locked-in) rate 5.4 % 5.5 % 5.5 % Weighted-average current discount rate at balance sheet date 5.2 % 5.6 % 3.0 %
Additional Liability, Long-Duration Insurance	Information regarding these additional insurance liabilities was as follows: Years Ended December 31, 2023 2022 2021 2023 2022 2021 Variable Life Universal and Variable Universal Life (Dollars in millions) Balance, at January 1, $ 1,381 $ 1,595 $ 1,824 $ 455 $ 655 $ 788 Less: AOCI adjustment — — — (33) 56 102 Balance, at January 1, before AOCI adjustment 1,381 1,595 1,824 488 599 686 Effect of changes in cash flow assumptions (4) 9 — (2) (1) — Effect of actual variances from expected experience (10) 2 (24) (24) (39) (30) Adjusted balance 1,367 1,606 1,800 462 559 656 Assessments accrual (3) (3) (3) — (3) 5 Interest accrual 19 21 25 7 7 9 Excess benefits paid (36) (40) (40) — — — Effect of foreign currency translation and other, net (89) (203) (187) (31) (75) (71) Balance, at December 31, before AOCI adjustment 1,258 1,381 1,595 438 488 599 Add: AOCI adjustment — — — (14) (33) 56 Balance, at December 31, $ 1,258 $ 1,381 $ 1,595 $ 424 $ 455 $ 655 Weighted-average duration of the liability 16 years 17 years 18 years 42 years 42 years 41 years Weighted-average interest accretion rate 1.5 % 1.4 % 1.5 % 1.4 % 1.4 % 1.5 % Years Ended December 31, 2023 2022 2021 Universal and Variable Universal Life (Dollars in millions) Balance, at January 1 $ 2,156 $ 2,117 $ 2,014 Less: AOCI adjustment (63) 67 95 Balance, at January 1, before AOCI adjustment 2,219 2,050 1,919 Effect of changes in cash flow assumptions 38 35 — Effect of actual variances from expected experience — 39 19 Adjusted balance 2,257 2,124 1,938 Assessments accrual 105 103 114 Interest accrual 124 116 107 Excess benefits paid (110) (124) (109) Balance, at December 31, before AOCI adjustment 2,376 2,219 2,050 Add: AOCI adjustment (14) (63) 67 Balance, at December 31 2,362 2,156 2,117 Less: Reinsurance recoverables 2,055 745 739 Balance, at December 31, net of reinsurance $ 307 $ 1,411 $ 1,378 Weighted-average duration of the liability 15 years 16 years 17 years Weighted-average interest accretion rate 5.5 % 5.6 % 5.6 % The Company’s gross premiums or assessments and interest expense recognized in the consolidated statements of operations and comprehensive income (loss) for long-duration contracts, excluding MetLife Holdings’ participating life contracts, were as follows: Years Ended December 31, 2023 2022 2021 Gross Premiums or Interest Expense (2) Gross Premiums or Interest Expense (2) Gross Premiums or Interest Expense (2) (In millions) Traditional and Limited-Payment Contracts: RIS - Annuities $ 6,660 $ 2,897 $ 12,748 $ 2,519 $ 3,965 $ 2,336 Asia: Whole and term life & endowments 1,124 311 1,144 320 1,457 371 Accident & health 3,364 249 3,602 248 4,203 267 Latin America - Fixed annuities 1,074 312 712 289 410 300 MetLife Holdings - Long-term care 731 776 734 745 736 711 Deferred Profit Liabilities: RIS - Annuities N/A 167 N/A 154 N/A 147 Asia: Whole and term life & endowments N/A 31 N/A 26 N/A 18 Accident & health N/A 18 N/A 16 N/A 14 Latin America - Fixed annuities N/A 22 N/A 19 N/A 20 Additional Insurance Liabilities: Asia: Variable life 89 19 58 21 28 25 Universal and variable universal life (31) 7 (26) 7 19 9 MetLife Holdings - Universal and variable universal life 730 124 805 116 831 107 Other long-duration 4,516 460 3,701 450 4,063 480 Total $ 18,257 $ 5,393 $ 23,478 $ 4,930 $ 15,712 $ 4,805 __________________ (1) Gross premiums are related to traditional and limited-payment contracts and are included in premiums. Assessments are related to additional insurance liabilities and are included in universal life and investment-type product policy fees and net investment income. (2) Interest expense is included in policyholder benefits and claims.
Short-duration Insurance Contracts, Claims Development	Group Life - Term Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance At December 31, 2023 Years Ended December 31, Total IBNR Cumulative (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (Dollars in millions) 2014 $ 6,986 $ 6,919 $ 6,913 $ 6,910 $ 6,914 $ 6,919 $ 6,920 $ 6,918 $ 6,920 $ 6,921 $ 1 216,354 2015 7,040 7,015 7,014 7,021 7,024 7,025 7,026 7,026 7,028 1 219,102 2016 7,125 7,085 7,095 7,104 7,105 7,104 7,107 7,109 2 221,155 2017 7,432 7,418 7,425 7,427 7,428 7,428 7,432 2 264,341 2018 7,757 7,655 7,646 7,650 7,651 7,652 2 252,744 2019 7,935 7,900 7,907 7,917 7,914 4 254,564 2020 8,913 9,367 9,389 9,384 11 299,634 2021 10,555 10,795 10,777 23 332,964 2022 9,640 9,653 44 331,022 2023 9,584 1,198 263,329 Total 83,454 Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance (80,287) All outstanding liabilities for incurral years prior to 2014, net of reinsurance 20 Total unpaid claims and claim adjustment expenses, net of reinsurance $ 3,187 Cumulative Paid Claims and Paid Allocated Claim Adjustment Expenses, Net of Reinsurance Years Ended December 31, (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (In millions) 2014 $ 5,428 $ 6,809 $ 6,858 $ 6,869 $ 6,902 $ 6,912 $ 6,915 $ 6,916 $ 6,917 $ 6,919 2015 5,524 6,913 6,958 6,974 7,008 7,018 7,022 7,024 7,027 2016 5,582 6,980 7,034 7,053 7,086 7,096 7,100 7,106 2017 5,761 7,292 7,355 7,374 7,400 7,414 7,427 2018 6,008 7,521 7,578 7,595 7,629 7,646 2019 6,178 7,756 7,820 7,853 7,898 2020 6,862 9,103 9,242 9,296 2021 8,008 10,476 10,640 2022 7,101 9,399 2023 6,929 Total cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance $ 80,287 Group Long-Term Disability Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance At December 31, 2023 Years Ended December 31, Total IBNR Cumulative (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (Dollars in millions) 2014 $ 1,076 $ 1,077 $ 1,079 $ 1,101 $ 1,109 $ 1,098 $ 1,097 $ 1,081 $ 1,078 $ 1,071 $ — 22,854 2015 1,082 1,105 1,093 1,100 1,087 1,081 1,067 1,086 1,078 — 21,218 2016 1,131 1,139 1,159 1,162 1,139 1,124 1,123 1,086 — 17,974 2017 1,244 1,202 1,203 1,195 1,165 1,181 1,101 — 16,329 2018 1,240 1,175 1,163 1,147 1,170 1,102 — 15,215 2019 1,277 1,212 1,169 1,177 1,103 — 15,408 2020 1,253 1,223 1,155 1,100 — 15,773 2021 1,552 1,608 1,477 9 19,557 2022 1,641 1,732 46 18,006 2023 1,725 793 10,994 Total 12,575 Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance (6,295) All outstanding liabilities for incurral years prior to 2014, net of reinsurance 1,477 Total unpaid claims and claim adjustment expenses, net of reinsurance $ 7,757 Cumulative Paid Claims and Paid Allocated Claim Adjustment Expenses, Net of Reinsurance Years Ended December 31, (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (In millions) 2014 $ 51 $ 266 $ 428 $ 526 $ 609 $ 677 $ 732 $ 778 $ 818 $ 850 2015 50 264 427 524 601 665 718 764 801 2016 49 267 433 548 628 696 750 769 2017 56 290 476 579 655 719 718 2018 54 314 497 594 666 663 2019 57 342 522 620 621 2020 59 355 535 560 2021 95 505 620 2022 76 609 2023 84 Total cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance $ 6,295 Group Disability & Group Life Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance At December 31, 2023 Years Ended December 31, Total IBNR Cumulative (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (Dollars in millions) 2014 $ 259 $ 243 $ 223 $ 224 $ 234 $ 230 $ 231 $ 231 $ 225 $ 226 $ 6 6,930 2015 244 233 236 230 241 243 246 243 244 10 6,879 2016 204 207 196 209 211 216 218 217 13 4,797 2017 265 246 253 271 279 273 275 22 5,751 2018 323 295 307 317 311 318 43 6,170 2019 349 326 341 337 346 57 6,307 2020 388 361 333 341 104 5,488 2021 369 384 404 154 6,617 2022 491 454 230 6,955 2023 453 359 3,544 Total 3,278 Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance (2,280) All outstanding liabilities for incurral years prior to 2014, net of reinsurance 13 Total unpaid claims and claim adjustment expenses, net of reinsurance $ 1,011 Cumulative Paid Claims and Paid Allocated Claim Adjustment Expenses, Net of Reinsurance Years Ended December 31, (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (In millions) 2014 $ 61 $ 126 $ 157 $ 176 $ 198 $ 199 $ 209 $ 214 $ 217 $ 219 2015 71 134 168 182 205 219 226 230 233 2016 57 118 134 168 182 191 199 204 2017 77 139 184 226 241 243 254 2018 85 156 210 244 254 275 2019 93 171 222 258 289 2020 86 154 205 237 2021 78 172 249 2022 90 225 2023 95 Total cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance $ 2,280 Protection Life Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance At December 31, 2023 Years Ended December 31, Total IBNR Cumulative (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (Dollars in millions) 2014 $ 261 $ 400 $ 411 $ 375 $ 378 $ 379 $ 380 $ 380 $ 370 $ 371 $ — 38,397 2015 342 492 458 463 463 464 458 446 447 — 44,554 2016 362 475 488 496 497 498 487 486 — 38,936 2017 373 363 363 362 362 352 351 — 31,052 2018 347 335 333 334 333 333 — 29,857 2019 374 342 346 343 344 1 32,435 2020 567 567 573 576 7 43,062 2021 717 625 625 15 52,935 2022 495 467 27 40,656 2023 481 199 26,972 Total 4,481 Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance (4,036) All outstanding liabilities for incurral years prior to 2014, net of reinsurance 1 Total unpaid claims and claim adjustment expenses, net of reinsurance $ 446 Cumulative Paid Claims and Paid Allocated Claim Adjustment Expenses, Net of Reinsurance Years Ended December 31, (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (In millions) 2014 $ 232 $ 349 $ 355 $ 359 $ 363 $ 365 $ 367 $ 368 $ 359 $ 360 2015 278 394 418 426 433 436 437 426 428 2016 257 460 481 490 493 496 488 489 2017 221 331 350 354 357 348 349 2018 174 297 310 315 312 314 2019 194 295 318 316 320 2020 245 490 504 513 2021 370 517 539 2022 305 410 2023 314 Total cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance $ 4,036 Protection Health Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance At December 31, 2023 Years Ended December 31, Total IBNR Cumulative (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (Dollars in millions) 2014 $ 271 $ 302 $ 304 $ 302 $ 301 $ 301 $ 301 $ 302 $ 303 $ 302 $ — 98,246 2015 233 265 267 265 265 265 266 266 266 — 87,711 2016 306 352 349 349 349 349 349 350 — 106,797 2017 443 412 413 412 412 412 413 — 121,765 2018 474 498 472 471 471 471 — 144,770 2019 158 206 199 198 199 1 132,789 2020 572 562 560 559 2 150,117 2021 735 737 733 7 171,217 2022 800 790 17 196,579 2023 1,011 96 159,272 Total 5,094 Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance (4,900) All outstanding liabilities for incurral years prior to 2014, net of reinsurance 2 Total unpaid claims and claim adjustment expenses, net of reinsurance $ 196 Cumulative Paid Claims and Paid Allocated Claim Adjustment Expenses, Net of Reinsurance Years Ended December 31, (Unaudited) Incurral Year 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 (In millions) 2014 $ 269 $ 300 $ 302 $ 298 $ 298 $ 298 $ 298 $ 298 $ 299 $ 299 2015 233 265 263 264 265 265 266 266 266 2016 288 344 347 348 348 349 349 350 2017 361 407 409 410 411 412 413 2018 405 461 465 466 468 469 2019 133 187 191 194 196 2020 484 547 552 554 2021 649 718 724 2022 678 771 2023 858 Total cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance $ 4,900
Short-duration Insurance Contracts, Schedule of Historical Claims Duration	The following is supplementary information about average historical claims duration at December 31, 2023: Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance Years 1 2 3 4 5 6 7 8 9 10 Group Life - Term 76.3% 21.1% 0.9% 0.3% 0.5% 0.2% 0.1% —% —% —% The following is supplementary information about average historical claims duration at December 31, 2023: Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance Years 1 2 3 4 5 6 7 8 9 10 Group Long-Term Disability 5.0% 24.0% 14.9% 8.3% 6.0% 4.8% 3.7% 3.4% 3.6% 3.0% The following is supplementary information about average historical claims duration at December 31, 2023: Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance Years 1 2 3 4 5 6 7 8 9 10 Group Disability & Group Life 24.9% 24.8% 14.6% 10.8% 7.2% 3.5% 3.7% 2.1% 1.3% 0.9% The following is supplementary information about average historical claims duration at December 31, 2023: Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance Years 1 2 3 4 5 6 7 8 9 10 Protection Life 58.2% 31.7% 4.2% 1.2% 0.7% —% (0.1)% (0.7)% (1.0)% 0.3% The following is supplementary information about average historical claims duration at December 31, 2023: Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance Years 1 2 3 4 5 6 7 8 9 10 Protection Health 84.5% 13.4% 0.7% 0.2% 0.3% 0.1% 0.2% 0.1% 0.2% —%
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability	The reconciliation of the net incurred and paid claims development tables to the liability for unpaid claims and claims adjustment expenses on the consolidated balance sheet was as follows at: December 31, 2023 (In millions) Short-Duration: Unpaid claims and allocated claims adjustment expenses, net of reinsurance: Group Benefits: Group Life - Term $ 3,187 Group Long-Term Disability 7,757 Total $ 10,944 Asia - Group Disability & Group Life 1,011 Latin America: Protection Life 446 Protection Health 196 Total 642 Other insurance lines - all segments combined 1,871 Total unpaid claims and allocated claims adjustment expenses, net of reinsurance 14,468 Reinsurance recoverables on unpaid claims: Group Benefits: Group Life - Term 8 Group Long-Term Disability 272 Total 280 Asia - Group Disability & Group Life 475 Latin America: Protection Life 14 Protection Health 24 Total 38 Other insurance lines - all segments combined 285 Total reinsurance recoverable on unpaid claims 1,078 Total unpaid claims and allocated claims adjustment expense 15,546 Unallocated claims adjustment expenses — Discounting (1,488) Liability for unpaid claims and claim adjustment liabilities - short-duration 14,058 Liability for unpaid claims and claim adjustment liabilities - all long-duration lines 2,410 Total liability for unpaid claims and claim adjustment expense (included in future policy benefits and other policy-related balances) $ 16,468
Liabilities for Unpaid Claims and Claim Expenses	Information regarding the liabilities for unpaid claims and claim adjustment expenses was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 16,098 $ 15,598 $ 14,698 Less: Reinsurance recoverables 2,452 2,629 1,896 Net balance at January 1, 13,646 12,969 12,802 Incurred related to: Current year 27,080 26,505 26,903 Prior years (1) 374 668 922 Total incurred 27,454 27,173 27,825 Paid related to: Current year (20,220) (19,917) (21,027) Prior years (7,004) (6,579) (6,512) Total paid (27,224) (26,496) (27,539) Reclassified to liabilities held-for-sale (2) — — (55) Dispositions (2) — — (64) Net balance at December 31, 13,876 13,646 12,969 Add: Reinsurance recoverables 2,592 2,452 2,629 Balance at December 31, $ 16,468 $ 16,098 $ 15,598 __________________ (1) For the year ended December 31, 2023, incurred claims and claim adjustment expenses associated with prior years increased due to events incurred in prior years but reported in the current year. For the years ended December 31, 2022 and 2021, incurred claims and claim adjustment expenses include expenses associated with prior years but reported in 2022 and 2021 which contain impacts related to the COVID-19 pandemic, partially offset by additional premiums recorded for experience-rated contracts that are not reflected in the table above. (2) See Note 3 for information on the Company’s business dispositions.

Policyholder Account Balances (

Policyholder Account Balances (Tables)	12 Months Ended
	Dec. 31, 2023
Insurance [Abstract]
Accounting Standards Update and Change in Accounting Principle	The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated balance sheet: December 31, 2022 As Previously Reported Adoption Post (In millions) Assets Premiums, reinsurance and other receivables $ 17,461 $ (97) $ 17,364 Market risk benefits $ — $ 280 $ 280 Deferred policy acquisition costs and value of business acquired $ 22,983 $ (3,330) $ 19,653 Deferred income tax asset $ 2,830 $ (391) $ 2,439 Other assets $ 11,026 $ (1) $ 11,025 Total assets $ 666,611 $ (3,539) $ 663,072 Liabilities Future policy benefits $ 204,228 $ (17,006) $ 187,222 Policyholder account balances $ 203,082 $ 7,515 $ 210,597 Market risk benefits $ — $ 3,763 $ 3,763 Other policy-related balances $ 19,651 $ (1,227) $ 18,424 Deferred income tax liability $ 325 $ 625 $ 950 Other liabilities $ 25,980 $ (47) $ 25,933 Total liabilities $ 639,324 $ (6,377) $ 632,947 Equity Retained earnings $ 41,953 $ (1,621) $ 40,332 Accumulated other comprehensive income (loss) $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.'s stockholders' equity $ 27,040 $ 2,841 $ 29,881 Noncontrolling interests $ 247 $ (3) $ 244 Total equity $ 27,287 $ 2,838 $ 30,125 Total liabilities and equity $ 666,611 $ (3,539) $ 663,072 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statement of operations: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Revenues Premiums $ 49,397 $ (887) $ 48,510 $ 42,009 $ (857) $ 41,152 Universal life and investment-type product policy fees $ 5,585 $ (360) $ 5,225 $ 5,756 $ (512) $ 5,244 Other revenues $ 2,634 $ (4) $ 2,630 $ 2,619 $ — $ 2,619 Net investment gains (losses) $ (1,262) $ 2 $ (1,260) $ 1,529 $ 14 $ 1,543 Net derivative gains (losses) $ (2,372) $ 121 $ (2,251) $ (2,228) $ (1,029) $ (3,257) Total revenues $ 69,898 $ (1,128) $ 68,770 $ 71,080 $ (2,384) $ 68,696 Expenses Policyholder benefits and claims $ 50,612 $ (1,105) $ 49,507 $ 43,954 $ (836) $ 43,118 Policyholder liability remeasurement (gains) losses $ — $ 114 $ 114 $ — $ (172) $ (172) Market risk benefit remeasurement (gains) losses $ — $ (3,674) $ (3,674) $ — $ (1,237) $ (1,237) Interest credited to policyholder account balances $ 3,692 $ 202 $ 3,894 $ 5,538 $ 33 $ 5,571 Policyholder dividends $ 701 $ 5 $ 706 $ 876 $ 4 $ 880 Other expenses $ 12,034 $ (175) $ 11,859 $ 12,586 $ (568) $ 12,018 Total expenses $ 67,039 $ (4,633) $ 62,406 $ 62,954 $ (2,776) $ 60,178 Income (loss) before provision for income tax $ 2,859 $ 3,505 $ 6,364 $ 8,126 $ 392 $ 8,518 Provision for income tax expense (benefit) $ 301 $ 761 $ 1,062 $ 1,551 $ 91 $ 1,642 Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Net income (loss) attributable to noncontrolling interests $ 19 $ (1) $ 18 $ 21 $ — $ 21 Net income (loss) attributable to MetLife, Inc. $ 2,539 $ 2,745 $ 5,284 $ 6,554 $ 301 $ 6,855 Net income (loss) available to MetLife, Inc.'s common shareholders $ 2,354 $ 2,745 $ 5,099 $ 6,353 $ 301 $ 6,654 Net income (loss) available to MetLife, Inc.'s common shareholders per common share: Basic $ 2.93 $ 3.42 $ 6.35 $ 7.36 $ 0.35 $ 7.71 Diluted $ 2.91 $ 3.39 $ 6.30 $ 7.31 $ 0.34 $ 7.65 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of comprehensive income: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Unrealized investment gains (losses), net of related offsets $ (47,831) $ (8,666) $ (56,497) $ (8,171) $ (4,669) $ (12,840) Future policy benefits discount rate remeasurement gains (losses) $ — $ 31,804 $ 31,804 $ — $ 10,102 $ 10,102 Market risk benefits instrument-specific credit risk remeasurement gains (losses) $ — $ (219) $ (219) $ — $ 257 $ 257 Foreign currency translation adjustments $ (1,242) $ 4 $ (1,238) $ (1,306) $ 40 $ (1,266) Other comprehensive income (loss), before income tax $ (48,879) $ 22,923 $ (25,956) $ (9,012) $ 5,730 $ (3,282) Income tax (expense) benefit related to items of other comprehensive income (loss) $ 10,871 $ (5,092) $ 5,779 $ 1,862 $ (1,343) $ 519 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) $ (7,150) $ 4,387 $ (2,763) Comprehensive income (loss) $ (35,450) $ 20,575 $ (14,875) $ (575) $ 4,688 $ 4,113 Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax $ 13 $ (2) $ 11 $ 24 $ — $ 24 Comprehensive income (loss) attributable to MetLife, Inc. $ (35,463) $ 20,577 $ (14,886) $ (599) $ 4,688 $ 4,089 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of equity: As Previously Reported Adoption Post (In millions) Retained Earnings Balance at December 31, 2020 $ 36,491 $ — $ 36,491 Cumulative effects of changes in accounting principles, net of income tax $ — $ (4,667) $ (4,667) Net income (loss) $ 6,554 $ 301 $ 6,855 Balance at December 31, 2021 $ 41,197 $ (4,366) $ 36,831 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Balance at December 31, 2022 $ 41,953 $ (1,621) $ 40,332 Accumulated Other Comprehensive Income (Loss) Balance at December 31, 2020 $ 18,072 $ — $ 18,072 Cumulative effects of changes in accounting principles, net of income tax $ — $ (17,757) $ (17,757) Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 10,919 $ (13,370) $ (2,451) Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.’s Stockholders’ Equity Balance at December 31, 2020 $ 74,558 $ — $ 74,558 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,554 $ 301 $ 6,855 Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 67,482 $ (17,736) $ 49,746 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ 27,040 $ 2,841 $ 29,881 Noncontrolling Interests Balance at December 31, 2021 $ 267 $ — $ 267 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 19 $ (1) $ 18 Other comprehensive income (loss), net of income tax $ (6) $ (1) $ (7) Balance at December 31, 2022 $ 247 $ (3) $ 244 Total Equity Balance at December 31, 2020 $ 74,817 $ — $ 74,817 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,575 $ 301 $ 6,876 Other comprehensive income (loss), net of income tax $ (7,150) $ 4,387 $ (2,763) Balance at December 31, 2021 $ 67,749 $ (17,736) $ 50,013 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 2,558 $ 2,744 $ 5,302 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) Balance at December 31, 2022 $ 27,287 $ 2,838 $ 30,125 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of cash flows: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Cash flows from operating activities Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Amortization of premiums and accretion of discounts associated with investments, net $ (960) $ (32) $ (992) $ (855) $ (19) $ (874) (Gains) losses on investments and from sales of businesses, net $ 1,262 $ (2) $ 1,260 $ (1,529) $ (14) $ (1,543) (Gains) losses on derivatives, net $ 4,317 $ (167) $ 4,150 $ 4,190 $ 486 $ 4,676 Interest credited to policyholder account balances $ 3,737 $ 34 $ 3,771 $ 5,490 $ 138 $ 5,628 Universal life and investment-type product policy fees $ (3,970) $ 1 $ (3,969) $ (3,638) $ (25) $ (3,663) Change in premiums, reinsurance and other receivables $ 256 $ 43 $ 299 $ 389 $ (27) $ 362 Change in market risk benefits $ — $ (3,347) $ (3,347) $ — $ (839) $ (839) Change in deferred policy acquisition costs and value of business acquired, net $ (568) $ (232) $ (800) $ (106) $ (602) $ (708) Change in income tax $ (591) $ 789 $ 198 $ 598 $ 258 $ 856 Change in other assets $ 27 $ 111 $ 138 $ (681) $ (327) $ (1,008) Change in insurance-related liabilities and policy-related balances $ 4,058 $ (121) $ 3,937 $ 4,553 $ 449 $ 5,002 Change in other liabilities $ 341 $ 19 $ 360 $ 71 $ (3) $ 68 Other, net $ 245 $ — $ 245 $ 138 $ (25) $ 113 Net cash provided by (used in) operating activities $ 13,204 $ (160) $ 13,044 $ 12,596 $ (249) $ 12,347 Cash flows from financing activities Policyholder account balances - deposits $ 103,036 $ 865 $ 103,901 $ 96,367 $ 839 $ 97,206 Policyholder account balances - withdrawals $ (97,886) $ (705) $ (98,591) $ (92,540) $ (590) $ (93,130) Net cash provided by (used in) financing activities $ (10,108) $ 160 $ (9,948) $ (1,375) $ 249 $ (1,126) The LDTI transition adjustments related to traditional and limited-payment contracts, DPLs, and additional insurance liabilities, as well as the associated ceded recoverables, as described in Note 1, were as follows at the Transition Date: RIS Annuities Asia Asia Latin America Fixed Annuities MetLife Holdings Long-Term Care MetLife Holdings Other Long-Duration Short-Duration and Other Total (In millions) Balance, future policy benefits, at December 31, 2020 $ 66,030 $ 17,990 $ 16,330 $ 8,393 $ 14,281 $ 51,148 $ 19,128 $ 13,356 $ 206,656 Removal of additional insurance liabilities for separate presentation (1) (4) — — — — — (6,561) — (6,565) Subtotal - pre-adoption balance, excluding additional liabilities 66,026 17,990 16,330 8,393 14,281 51,148 12,567 13,356 200,091 Removal of related amounts in AOCI (5,914) — — (295) (1,210) — (492) — (7,911) Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — — — — (176) — (176) Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 337 51 154 121 — — 56 — 719 Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 15,834 4,386 285 2,869 8,270 — 2,475 — 34,119 Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (7,416) 4 47 (1) — — (124) — (7,490) Removal of remeasured deferred profit liabilities for separate presentation (1) (2,897) (225) (691) (570) — — (275) — (4,658) Balance, traditional and limited-payment contracts, at January 1, 2021 $ 65,970 $ 22,206 $ 16,125 $ 10,517 $ 21,341 $ 51,148 $ 14,031 $ 13,356 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 $ 2,897 $ 225 $ 691 $ 570 $ — $ — $ 275 $ — $ 4,658 Balance, ceded recoverables on traditional and limited-payment contracts at December 31, 2020 $ 203 $ — $ 32 $ — $ — $ 1,052 $ 1,287 Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate 135 (15) (66) — — 297 351 Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach — — — — — 32 32 Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract 6 — (2) — — 10 14 Balance ceded recoverables on traditional and limited-payment contracts at January 1, 2021 $ 344 $ (15) $ (36) $ — $ — $ 1,391 $ 1,684 __________________ (1) LDTI requires separate disaggregated rollforwards of the additional insurance liabilities balance and the traditional and limited-payment FPBs. Therefore, the additional insurance liabilities and DPL amounts that are recorded in the FPB financial statement line item are removed to derive the opening balance of traditional and limited-payment contracts at the Transition Date. Asia Asia Universal and Variable Universal Life MetLife Holdings Universal and Variable Universal Life Other Long-Duration Total (In millions) Additional insurance liabilities at December 31, 2020 $ 1,824 $ 788 $ 1,976 $ 1,977 $ 6,565 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — (1,642) (1,642) Adjustments for the cumulative effect of adoption on additional insurance liabilities — — 38 45 83 Additional insurance liabilities at January 1, 2021 $ 1,824 $ 788 $ 2,014 $ 380 $ 5,006 Ceded recoverables on additional insurance liabilities at December 31, 2020 $ — $ — $ 719 $ 8 $ 727 Reclassification of carrying amounts of contracts and contract features that are reinsured market risk benefits — — — (8) (8) Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities — — 1 — 1 Ceded recoverables on additional insurance liabilities at January 1, 2021 $ — $ — $ 720 $ — $ 720 Balance, traditional and limited-payment contracts, at January 1, 2021 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 4,658 Balance, additional insurance liabilities at January 1, 2021 5,006 Total future policy benefits at January 1, 2021 $ 224,358 The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The transition adjustments related to DAC, VOBA, UREV and negative VOBA, as described in Note 1, were as follows at the Transition Date: Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Corporate & Other Total (In millions) DAC: Balance at December 31, 2020 $ 279 $ 130 $ 7,432 $ 1,344 $ 1,551 $ 2,679 $ 31 $ 13,446 Removal of related amounts in AOCI — — 2,309 50 — 1,621 — 3,980 Other adjustments upon adoption of the LDTI standard — — — — 14 11 — 25 Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 VOBA: Balance at December 31, 2020 $ — $ 25 $ 1,901 $ 748 $ 236 $ 33 $ — $ 2,943 Removal of related amounts in AOCI — — 14 8 — 5 — 27 Other adjustments upon adoption of the LDTI standard — — — — (4) — — (4) Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 UREV: Balance at December 31, 2020 $ — $ 42 $ 587 $ 740 $ 556 $ 188 $ — $ 2,113 Removal of related amounts in AOCI — — 1,029 95 (81) — — 1,043 Other adjustments upon adoption of the LDTI standard — — — — 7 — — 7 Balance at January 1, 2021 $ — $ 42 $ 1,616 $ 835 $ 482 $ 188 $ — $ 3,163 Negative VOBA: Balance at December 31, 2020 $ 738 Reclassification of carrying amounts of contracts and contract features that are market risk benefits (72) Balance at January 1, 2021 $ 666 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.
Policyholder Account Balances	The Company’s PABs on the consolidated balance sheets were as follows at: December 31, 2023 December 31, 2022 (In millions) Group Benefits - Group Life $ 7,692 $ 8,028 RIS: Capital Markets Investment Products and Stable Value GICs 64,140 63,723 Annuities and Risk Solutions 17,711 15,549 Asia: Universal and Variable Universal Life 49,739 46,417 Fixed Annuities 36,863 32,454 EMEA - Variable Annuities 2,720 2,802 MetLife Holdings: Annuities 11,537 13,286 Life and Other 11,641 12,402 Other 17,226 15,936 Total $ 219,269 $ 210,597
Policyholder Account Balance Rollforward	Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 8,028 $ 7,893 $ 7,586 Deposits 3,311 3,361 3,450 Policy charges (635) (612) (589) Surrenders and withdrawals (3,192) (2,744) (2,670) Benefit payments (12) (10) (9) Net transfers from (to) separate accounts — (2) (1) Interest credited 192 142 126 Balance at December 31, $ 7,692 $ 8,028 $ 7,893 Weighted-average annual crediting rate 2.5 % 1.8 % 1.6 % At period end: Cash surrender value $ 7,630 $ 7,974 $ 7,840 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 250,033 $ 244,638 $ 238,062 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. Information regarding the RIS segment’s capital markets investment products and stable value GICs in PABs was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 63,723 $ 62,521 $ 62,908 Deposits 69,229 81,050 76,672 Surrenders and withdrawals (71,938) (80,382) (77,524) Interest credited 2,091 1,276 914 Effect of foreign currency translation and other, net 1,035 (742) (449) Balance at December 31, $ 64,140 $ 63,723 $ 62,521 Weighted-average annual crediting rate 3.3 % 2.0 % 1.5 % Cash surrender value at period end $ 2,126 $ 2,071 $ 1,882 Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 15,549 $ 14,431 $ 13,643 Deposits 2,734 1,843 1,615 Policy charges (178) (153) (126) Surrenders and withdrawals (210) (120) (442) Benefit payments (812) (739) (704) Net transfers from (to) separate accounts 53 (26) 11 Interest credited 637 543 517 Other (62) (230) (83) Balance at December 31, $ 17,711 $ 15,549 $ 14,431 Weighted-average annual crediting rate 3.9 % 3.7 % 3.8 % At period end: Cash surrender value $ 7,912 $ 7,331 $ 6,559 Net amount at risk, excluding offsets from ceded reinsurance: In the event of death (1) $ 40,397 $ 40,607 $ 38,066 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Asia segment’s universal and variable universal life PABs in Japan primarily include interest sensitive whole life products. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 46,417 $ 46,590 $ 43,868 Deposits 7,595 5,673 6,487 Policy charges (1,210) (1,103) (1,178) Surrenders and withdrawals (2,959) (2,993) (1,265) Benefit payments (508) (502) (514) Interest credited 1,408 1,066 1,199 Effect of foreign currency translation and other, net (1,004) (2,314) (2,007) Balance at December 31, $ 49,739 $ 46,417 $ 46,590 Weighted-average annual crediting rate 3.0 % 2.3 % 2.7 % At period end: Cash surrender value $ 42,577 $ 39,737 $ 43,329 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 93,172 $ 95,412 $ 104,551 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. Information regarding the Asia segment’s fixed annuity PABs in Japan was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 32,454 $ 30,976 $ 31,422 Deposits 8,115 7,813 3,681 Policy charges (2) (2) (3) Surrenders and withdrawals (2,344) (4,024) (1,260) Benefit payments (2,156) (2,014) (2,500) Interest credited 866 623 617 Effect of foreign currency translation and other, net (70) (918) (981) Balance at December 31, $ 36,863 $ 32,454 $ 30,976 Weighted-average annual crediting rate 2.5 % 2.0 % 2.0 % At period end: Cash surrender value $ 31,936 $ 27,902 $ 29,835 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 73 $ 1 $ 64 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 2,802 $ 4,215 $ 4,779 Deposits 4 5 8 Policy charges (63) (73) (95) Surrenders and withdrawals (285) (313) (483) Benefit payments (125) (137) (157) Interest credited (1) 228 (465) 208 Effect of foreign currency translation and other, net 159 (430) (45) Balance at December 31, $ 2,720 $ 2,802 $ 4,215 Weighted-average annual crediting rate 8.6 % (12.4) % 4.7 % At period end: Cash surrender value $ 2,720 $ 2,802 $ 4,215 Net amount at risk, excluding offsets from reinsurance: In the event of death (2) $ 456 $ 557 $ 182 At annuitization or exercise of other living benefits (3) $ 585 $ 699 $ 257 __________________ (1) Interest credited on EMEA’s variable annuity products represents gains or losses which are passed through to the policyholder based on the underlying unit-linked investment fund returns, which may be positive or negative depending on market conditions. There are no GMCR on these products. (2) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (3) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 13,286 $ 14,398 $ 15,234 Deposits 176 233 284 Policy charges (15) (16) (16) Surrenders and withdrawals (1,981) (1,494) (1,380) Benefit payments (420) (415) (413) Net transfers from (to) separate accounts 72 198 237 Interest credited 396 406 425 Other 23 (24) 27 Balance at December 31, $ 11,537 $ 13,286 $ 14,398 Weighted-average annual crediting rate 3.3 % 3.0 % 3.0 % At period end: Cash surrender value $ 10,904 $ 12,373 $ 13,256 Net amount at risk, excluding offsets from ceded reinsurance (1): In the event of death (2) $ 2,821 $ 4,354 $ 1,119 At annuitization or exercise of other living benefits (3) $ 688 $ 960 $ 581 __________________ (1) Includes amounts for certain variable annuities recorded as PABs with the related guarantees recorded as MRBs which are disclosed in “MetLife Holdings – Annuities” in Note 6. (2) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (3) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 12,402 $ 12,699 $ 12,856 Deposits 783 895 1,172 Policy charges (702) (718) (731) Surrenders and withdrawals (1,171) (785) (887) Benefit payments (152) (183) (213) Net transfers from (to) separate accounts 35 29 32 Interest credited 445 460 470 Other 1 5 — Balance at December 31, $ 11,641 $ 12,402 $ 12,699 Weighted-average annual crediting rate 3.8 % 3.7 % 3.8 % At period end: Cash surrender value $ 11,177 $ 11,882 $ 12,170 Net amount at risk, excluding offsets from ceded reinsurance: In the event of death (1), (2) $ 67,786 $ 71,548 $ 73,840 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (2) Taking into consideration reinsurance, the net amount at risk at December 31, 2023, 2022 and 2021 as presented in the above table, would be reduced by 99%, 65%, and 66%, respectively.
Policyholder Account Balance, Guaranteed Minimum Crediting Rate	Rollforwards The following information about the direct and assumed liability for PABs includes year-to-date disaggregated rollforwards. The products grouped within these rollforwards were selected based upon common characteristics and valuations using similar inputs, judgments, assumptions and methodologies within a particular segment of the business. Policy charges presented in each disaggregated rollforward reflect a premium and/or assessment based on the account balance. Group Benefits Group Life The Group Benefits segment’s group life PABs predominantly consist of retained asset accounts, universal life products, and the fixed account of variable life insurance products. Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (Dollars in millions) Balance at January 1, $ 8,028 $ 7,893 $ 7,586 Deposits 3,311 3,361 3,450 Policy charges (635) (612) (589) Surrenders and withdrawals (3,192) (2,744) (2,670) Benefit payments (12) (10) (9) Net transfers from (to) separate accounts — (2) (1) Interest credited 192 142 126 Balance at December 31, $ 7,692 $ 8,028 $ 7,893 Weighted-average annual crediting rate 2.5 % 1.8 % 1.6 % At period end: Cash surrender value $ 7,630 $ 7,974 $ 7,840 Net amount at risk, excluding offsets from reinsurance: In the event of death (1) $ 250,033 $ 244,638 $ 238,062 __________________ (1) For benefits that are payable in the event of death, the net amount at risk is generally defined as the current death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. The Group Benefits segment’s group life product account values by range of guaranteed minimum crediting rates (“GMCR”) and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ 86 $ 863 $ 4,558 $ 5,507 Equal to or greater than 2% but less than 4% 1,196 9 62 2 1,269 Equal to or greater than 4% 727 1 43 34 805 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 111 Total $ 1,923 $ 96 $ 968 $ 4,594 $ 7,692 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ 973 $ 4,471 $ 236 $ 5,680 Equal to or greater than 2% but less than 4% 1,303 52 21 — 1,376 Equal to or greater than 4% 803 1 11 30 845 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 127 Total $ 2,106 $ 1,026 $ 4,503 $ 266 $ 8,028 December 31, 2021 Equal to or greater than 0% but less than 2% $ 5,229 $ 135 $ — $ 131 $ 5,495 Equal to or greater than 2% but less than 4% 1,374 50 23 — 1,447 Equal to or greater than 4% 793 — — 29 822 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 129 Total $ 7,396 $ 185 $ 23 $ 160 $ 7,893 The RIS segment’s capital markets investment products and stable value GICs account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 1 $ 2,621 $ 2,622 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 61,518 Total $ — $ — $ 1 $ 2,621 $ 64,140 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ — $ 1 $ 3,553 $ 3,554 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 60,169 Total $ — $ — $ 1 $ 3,553 $ 63,723 December 31, 2021 Equal to or greater than 0% but less than 2% $ — $ 632 $ 4,142 $ 10 $ 4,784 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 57,737 Total $ — $ 632 $ 4,142 $ 10 $ 62,521 The RIS segment’s annuities and risk solutions account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 20 $ 1,651 $ 1,671 Equal to or greater than 2% but less than 4% 249 34 105 432 820 Equal to or greater than 4% 4,346 — 282 5 4,633 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 10,587 Total $ 4,595 $ 34 $ 407 $ 2,088 $ 17,711 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ — $ 64 $ 1,232 $ 1,296 Equal to or greater than 2% but less than 4% 301 39 124 375 839 Equal to or greater than 4% 4,446 122 63 4 4,635 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 8,779 Total $ 4,747 $ 161 $ 251 $ 1,611 $ 15,549 December 31, 2021 Equal to or greater than 0% but less than 2% $ — $ — $ 115 $ 490 $ 605 Equal to or greater than 2% but less than 4% 258 36 125 469 888 Equal to or greater than 4% 4,435 126 54 5 4,620 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 8,318 Total $ 4,693 $ 162 $ 294 $ 964 $ 14,431 The Asia segment’s universal and variable universal life account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 10,640 $ 24 $ 231 $ 1,001 $ 11,896 Equal to or greater than 2% but less than 4% 5,932 15,634 7,801 7,669 37,036 Equal to or greater than 4% 250 — — — 250 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 557 Total $ 16,822 $ 15,658 $ 8,032 $ 8,670 $ 49,739 December 31, 2022 Equal to or greater than 0% but less than 2% $ 10,965 $ 76 $ 138 $ 75 $ 11,254 Equal to or greater than 2% but less than 4% 21,184 2,847 5,583 4,846 34,460 Equal to or greater than 4% 265 — — — 265 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 438 Total $ 32,414 $ 2,923 $ 5,721 $ 4,921 $ 46,417 December 31, 2021 Equal to or greater than 0% but less than 2% $ 11,754 $ 152 $ — $ — $ 11,906 Equal to or greater than 2% but less than 4% 21,672 2,625 5,160 4,517 33,974 Equal to or greater than 4% 282 — — — 282 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 428 Total $ 33,708 $ 2,777 $ 5,160 $ 4,517 $ 46,590 The Asia segment’s fixed annuities account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or Equal to or Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 322 $ 584 $ 6,274 $ 28,343 $ 35,523 Equal to or greater than 2% but less than 4% — 5 — — 5 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,335 Total $ 322 $ 589 $ 6,274 $ 28,343 $ 36,863 December 31, 2022 Equal to or greater than 0% but less than 2% $ 438 $ 664 $ 7,160 $ 22,755 $ 31,017 Equal to or greater than 2% but less than 4% — 6 — — 6 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,431 Total $ 438 $ 670 $ 7,160 $ 22,755 $ 32,454 December 31, 2021 Equal to or greater than 0% but less than 2% $ 264 $ 1,153 $ 8,100 $ 19,817 $ 29,334 Equal to or greater than 2% but less than 4% 8 — — — 8 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 1,634 Total $ 272 $ 1,153 $ 8,100 $ 19,817 $ 30,976 The MetLife Holdings segment’s annuities account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or greater than 0.50% but less than 1.50% Equal to or greater than 1.50% above GMCR Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ 36 $ 307 $ 378 $ 252 $ 973 Equal to or greater than 2% but less than 4% 1,033 7,205 459 202 8,899 Equal to or greater than 4% 788 411 32 — 1,231 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 434 Total $ 1,857 $ 7,923 $ 869 $ 454 $ 11,537 December 31, 2022 Equal to or greater than 0% but less than 2% $ 934 $ 4 $ 8 $ 16 $ 962 Equal to or greater than 2% but less than 4% 9,388 892 191 12 10,483 Equal to or greater than 4% 1,261 43 5 — 1,309 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 532 Total $ 11,583 $ 939 $ 204 $ 28 $ 13,286 December 31, 2021 Equal to or greater than 0% but less than 2% $ 1,066 $ 7 $ 14 $ 11 $ 1,098 Equal to or greater than 2% but less than 4% 10,679 299 197 1 11,176 Equal to or greater than 4% 1,307 40 5 — 1,352 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 772 Total $ 13,052 $ 346 $ 216 $ 12 $ 14,398 The MetLife Holdings segment’s life and other products account values by range of GMCR and the related range of differences between rates being credited to policyholders and the respective guaranteed minimums were as follows at: Range of GMCR At GMCR Greater than Equal to or greater than 0.50% but less than 1.50% Equal to or greater than 1.50% above GMCR Total (In millions) December 31, 2023 Equal to or greater than 0% but less than 2% $ — $ — $ 16 $ 55 $ 71 Equal to or greater than 2% but less than 4% 4,453 171 280 549 5,453 Equal to or greater than 4% 5,066 124 413 13 5,616 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 9,519 $ 295 $ 709 $ 617 $ 11,641 December 31, 2022 Equal to or greater than 0% but less than 2% $ — $ 20 $ 50 $ 5 $ 75 Equal to or greater than 2% but less than 4% 5,025 144 441 410 6,020 Equal to or greater than 4% 5,253 128 420 5 5,806 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 10,278 $ 292 $ 911 $ 420 $ 12,402 December 31, 2021 Equal to or greater than 0% but less than 2% $ 26 $ 8 $ — $ — $ 34 Equal to or greater than 2% but less than 4% 5,122 145 313 571 6,151 Equal to or greater than 4% 5,448 132 427 6 6,013 Products with either a fixed rate or no guaranteed minimum crediting rate N/A N/A N/A N/A 501 Total $ 10,596 $ 285 $ 740 $ 577 $ 12,699

Market Risk Benefits (Tables)

Market Risk Benefits (Tables)	12 Months Ended
	Dec. 31, 2023
Insurance [Abstract]
Accounting Standards Update and Change in Accounting Principle	The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated balance sheet: December 31, 2022 As Previously Reported Adoption Post (In millions) Assets Premiums, reinsurance and other receivables $ 17,461 $ (97) $ 17,364 Market risk benefits $ — $ 280 $ 280 Deferred policy acquisition costs and value of business acquired $ 22,983 $ (3,330) $ 19,653 Deferred income tax asset $ 2,830 $ (391) $ 2,439 Other assets $ 11,026 $ (1) $ 11,025 Total assets $ 666,611 $ (3,539) $ 663,072 Liabilities Future policy benefits $ 204,228 $ (17,006) $ 187,222 Policyholder account balances $ 203,082 $ 7,515 $ 210,597 Market risk benefits $ — $ 3,763 $ 3,763 Other policy-related balances $ 19,651 $ (1,227) $ 18,424 Deferred income tax liability $ 325 $ 625 $ 950 Other liabilities $ 25,980 $ (47) $ 25,933 Total liabilities $ 639,324 $ (6,377) $ 632,947 Equity Retained earnings $ 41,953 $ (1,621) $ 40,332 Accumulated other comprehensive income (loss) $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.'s stockholders' equity $ 27,040 $ 2,841 $ 29,881 Noncontrolling interests $ 247 $ (3) $ 244 Total equity $ 27,287 $ 2,838 $ 30,125 Total liabilities and equity $ 666,611 $ (3,539) $ 663,072 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statement of operations: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Revenues Premiums $ 49,397 $ (887) $ 48,510 $ 42,009 $ (857) $ 41,152 Universal life and investment-type product policy fees $ 5,585 $ (360) $ 5,225 $ 5,756 $ (512) $ 5,244 Other revenues $ 2,634 $ (4) $ 2,630 $ 2,619 $ — $ 2,619 Net investment gains (losses) $ (1,262) $ 2 $ (1,260) $ 1,529 $ 14 $ 1,543 Net derivative gains (losses) $ (2,372) $ 121 $ (2,251) $ (2,228) $ (1,029) $ (3,257) Total revenues $ 69,898 $ (1,128) $ 68,770 $ 71,080 $ (2,384) $ 68,696 Expenses Policyholder benefits and claims $ 50,612 $ (1,105) $ 49,507 $ 43,954 $ (836) $ 43,118 Policyholder liability remeasurement (gains) losses $ — $ 114 $ 114 $ — $ (172) $ (172) Market risk benefit remeasurement (gains) losses $ — $ (3,674) $ (3,674) $ — $ (1,237) $ (1,237) Interest credited to policyholder account balances $ 3,692 $ 202 $ 3,894 $ 5,538 $ 33 $ 5,571 Policyholder dividends $ 701 $ 5 $ 706 $ 876 $ 4 $ 880 Other expenses $ 12,034 $ (175) $ 11,859 $ 12,586 $ (568) $ 12,018 Total expenses $ 67,039 $ (4,633) $ 62,406 $ 62,954 $ (2,776) $ 60,178 Income (loss) before provision for income tax $ 2,859 $ 3,505 $ 6,364 $ 8,126 $ 392 $ 8,518 Provision for income tax expense (benefit) $ 301 $ 761 $ 1,062 $ 1,551 $ 91 $ 1,642 Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Net income (loss) attributable to noncontrolling interests $ 19 $ (1) $ 18 $ 21 $ — $ 21 Net income (loss) attributable to MetLife, Inc. $ 2,539 $ 2,745 $ 5,284 $ 6,554 $ 301 $ 6,855 Net income (loss) available to MetLife, Inc.'s common shareholders $ 2,354 $ 2,745 $ 5,099 $ 6,353 $ 301 $ 6,654 Net income (loss) available to MetLife, Inc.'s common shareholders per common share: Basic $ 2.93 $ 3.42 $ 6.35 $ 7.36 $ 0.35 $ 7.71 Diluted $ 2.91 $ 3.39 $ 6.30 $ 7.31 $ 0.34 $ 7.65 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of comprehensive income: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Unrealized investment gains (losses), net of related offsets $ (47,831) $ (8,666) $ (56,497) $ (8,171) $ (4,669) $ (12,840) Future policy benefits discount rate remeasurement gains (losses) $ — $ 31,804 $ 31,804 $ — $ 10,102 $ 10,102 Market risk benefits instrument-specific credit risk remeasurement gains (losses) $ — $ (219) $ (219) $ — $ 257 $ 257 Foreign currency translation adjustments $ (1,242) $ 4 $ (1,238) $ (1,306) $ 40 $ (1,266) Other comprehensive income (loss), before income tax $ (48,879) $ 22,923 $ (25,956) $ (9,012) $ 5,730 $ (3,282) Income tax (expense) benefit related to items of other comprehensive income (loss) $ 10,871 $ (5,092) $ 5,779 $ 1,862 $ (1,343) $ 519 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) $ (7,150) $ 4,387 $ (2,763) Comprehensive income (loss) $ (35,450) $ 20,575 $ (14,875) $ (575) $ 4,688 $ 4,113 Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax $ 13 $ (2) $ 11 $ 24 $ — $ 24 Comprehensive income (loss) attributable to MetLife, Inc. $ (35,463) $ 20,577 $ (14,886) $ (599) $ 4,688 $ 4,089 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of equity: As Previously Reported Adoption Post (In millions) Retained Earnings Balance at December 31, 2020 $ 36,491 $ — $ 36,491 Cumulative effects of changes in accounting principles, net of income tax $ — $ (4,667) $ (4,667) Net income (loss) $ 6,554 $ 301 $ 6,855 Balance at December 31, 2021 $ 41,197 $ (4,366) $ 36,831 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Balance at December 31, 2022 $ 41,953 $ (1,621) $ 40,332 Accumulated Other Comprehensive Income (Loss) Balance at December 31, 2020 $ 18,072 $ — $ 18,072 Cumulative effects of changes in accounting principles, net of income tax $ — $ (17,757) $ (17,757) Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 10,919 $ (13,370) $ (2,451) Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.’s Stockholders’ Equity Balance at December 31, 2020 $ 74,558 $ — $ 74,558 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,554 $ 301 $ 6,855 Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 67,482 $ (17,736) $ 49,746 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ 27,040 $ 2,841 $ 29,881 Noncontrolling Interests Balance at December 31, 2021 $ 267 $ — $ 267 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 19 $ (1) $ 18 Other comprehensive income (loss), net of income tax $ (6) $ (1) $ (7) Balance at December 31, 2022 $ 247 $ (3) $ 244 Total Equity Balance at December 31, 2020 $ 74,817 $ — $ 74,817 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,575 $ 301 $ 6,876 Other comprehensive income (loss), net of income tax $ (7,150) $ 4,387 $ (2,763) Balance at December 31, 2021 $ 67,749 $ (17,736) $ 50,013 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 2,558 $ 2,744 $ 5,302 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) Balance at December 31, 2022 $ 27,287 $ 2,838 $ 30,125 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of cash flows: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Cash flows from operating activities Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Amortization of premiums and accretion of discounts associated with investments, net $ (960) $ (32) $ (992) $ (855) $ (19) $ (874) (Gains) losses on investments and from sales of businesses, net $ 1,262 $ (2) $ 1,260 $ (1,529) $ (14) $ (1,543) (Gains) losses on derivatives, net $ 4,317 $ (167) $ 4,150 $ 4,190 $ 486 $ 4,676 Interest credited to policyholder account balances $ 3,737 $ 34 $ 3,771 $ 5,490 $ 138 $ 5,628 Universal life and investment-type product policy fees $ (3,970) $ 1 $ (3,969) $ (3,638) $ (25) $ (3,663) Change in premiums, reinsurance and other receivables $ 256 $ 43 $ 299 $ 389 $ (27) $ 362 Change in market risk benefits $ — $ (3,347) $ (3,347) $ — $ (839) $ (839) Change in deferred policy acquisition costs and value of business acquired, net $ (568) $ (232) $ (800) $ (106) $ (602) $ (708) Change in income tax $ (591) $ 789 $ 198 $ 598 $ 258 $ 856 Change in other assets $ 27 $ 111 $ 138 $ (681) $ (327) $ (1,008) Change in insurance-related liabilities and policy-related balances $ 4,058 $ (121) $ 3,937 $ 4,553 $ 449 $ 5,002 Change in other liabilities $ 341 $ 19 $ 360 $ 71 $ (3) $ 68 Other, net $ 245 $ — $ 245 $ 138 $ (25) $ 113 Net cash provided by (used in) operating activities $ 13,204 $ (160) $ 13,044 $ 12,596 $ (249) $ 12,347 Cash flows from financing activities Policyholder account balances - deposits $ 103,036 $ 865 $ 103,901 $ 96,367 $ 839 $ 97,206 Policyholder account balances - withdrawals $ (97,886) $ (705) $ (98,591) $ (92,540) $ (590) $ (93,130) Net cash provided by (used in) financing activities $ (10,108) $ 160 $ (9,948) $ (1,375) $ 249 $ (1,126) The LDTI transition adjustments related to traditional and limited-payment contracts, DPLs, and additional insurance liabilities, as well as the associated ceded recoverables, as described in Note 1, were as follows at the Transition Date: RIS Annuities Asia Asia Latin America Fixed Annuities MetLife Holdings Long-Term Care MetLife Holdings Other Long-Duration Short-Duration and Other Total (In millions) Balance, future policy benefits, at December 31, 2020 $ 66,030 $ 17,990 $ 16,330 $ 8,393 $ 14,281 $ 51,148 $ 19,128 $ 13,356 $ 206,656 Removal of additional insurance liabilities for separate presentation (1) (4) — — — — — (6,561) — (6,565) Subtotal - pre-adoption balance, excluding additional liabilities 66,026 17,990 16,330 8,393 14,281 51,148 12,567 13,356 200,091 Removal of related amounts in AOCI (5,914) — — (295) (1,210) — (492) — (7,911) Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — — — — (176) — (176) Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 337 51 154 121 — — 56 — 719 Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 15,834 4,386 285 2,869 8,270 — 2,475 — 34,119 Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (7,416) 4 47 (1) — — (124) — (7,490) Removal of remeasured deferred profit liabilities for separate presentation (1) (2,897) (225) (691) (570) — — (275) — (4,658) Balance, traditional and limited-payment contracts, at January 1, 2021 $ 65,970 $ 22,206 $ 16,125 $ 10,517 $ 21,341 $ 51,148 $ 14,031 $ 13,356 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 $ 2,897 $ 225 $ 691 $ 570 $ — $ — $ 275 $ — $ 4,658 Balance, ceded recoverables on traditional and limited-payment contracts at December 31, 2020 $ 203 $ — $ 32 $ — $ — $ 1,052 $ 1,287 Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate 135 (15) (66) — — 297 351 Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach — — — — — 32 32 Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract 6 — (2) — — 10 14 Balance ceded recoverables on traditional and limited-payment contracts at January 1, 2021 $ 344 $ (15) $ (36) $ — $ — $ 1,391 $ 1,684 __________________ (1) LDTI requires separate disaggregated rollforwards of the additional insurance liabilities balance and the traditional and limited-payment FPBs. Therefore, the additional insurance liabilities and DPL amounts that are recorded in the FPB financial statement line item are removed to derive the opening balance of traditional and limited-payment contracts at the Transition Date. Asia Asia Universal and Variable Universal Life MetLife Holdings Universal and Variable Universal Life Other Long-Duration Total (In millions) Additional insurance liabilities at December 31, 2020 $ 1,824 $ 788 $ 1,976 $ 1,977 $ 6,565 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — (1,642) (1,642) Adjustments for the cumulative effect of adoption on additional insurance liabilities — — 38 45 83 Additional insurance liabilities at January 1, 2021 $ 1,824 $ 788 $ 2,014 $ 380 $ 5,006 Ceded recoverables on additional insurance liabilities at December 31, 2020 $ — $ — $ 719 $ 8 $ 727 Reclassification of carrying amounts of contracts and contract features that are reinsured market risk benefits — — — (8) (8) Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities — — 1 — 1 Ceded recoverables on additional insurance liabilities at January 1, 2021 $ — $ — $ 720 $ — $ 720 Balance, traditional and limited-payment contracts, at January 1, 2021 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 4,658 Balance, additional insurance liabilities at January 1, 2021 5,006 Total future policy benefits at January 1, 2021 $ 224,358 The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The transition adjustments related to DAC, VOBA, UREV and negative VOBA, as described in Note 1, were as follows at the Transition Date: Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Corporate & Other Total (In millions) DAC: Balance at December 31, 2020 $ 279 $ 130 $ 7,432 $ 1,344 $ 1,551 $ 2,679 $ 31 $ 13,446 Removal of related amounts in AOCI — — 2,309 50 — 1,621 — 3,980 Other adjustments upon adoption of the LDTI standard — — — — 14 11 — 25 Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 VOBA: Balance at December 31, 2020 $ — $ 25 $ 1,901 $ 748 $ 236 $ 33 $ — $ 2,943 Removal of related amounts in AOCI — — 14 8 — 5 — 27 Other adjustments upon adoption of the LDTI standard — — — — (4) — — (4) Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 UREV: Balance at December 31, 2020 $ — $ 42 $ 587 $ 740 $ 556 $ 188 $ — $ 2,113 Removal of related amounts in AOCI — — 1,029 95 (81) — — 1,043 Other adjustments upon adoption of the LDTI standard — — — — 7 — — 7 Balance at January 1, 2021 $ — $ 42 $ 1,616 $ 835 $ 482 $ 188 $ — $ 3,163 Negative VOBA: Balance at December 31, 2020 $ 738 Reclassification of carrying amounts of contracts and contract features that are market risk benefits (72) Balance at January 1, 2021 $ 666 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.
Market Risk Benefit	The Company’s MRB assets and MRB liabilities on the consolidated balance sheets were as follows at: December 31, 2023 2022 Asset Liability Net Asset Liability Net (In millions) Asia - Retirement Assurance $ — $ 203 $ 203 $ — $ 226 $ 226 MetLife Holdings - Annuities 156 2,878 2,722 153 3,378 3,225 Other 130 98 (32) 127 159 32 Total $ 286 $ 3,179 $ 2,893 $ 280 $ 3,763 $ 3,483
Market Risk Benefit, Activity	Information regarding this liability was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 226 $ 277 $ 318 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 233 $ 284 $ 326 Attributed fees collected 3 3 4 Benefit payments (12) — (7) Effect of changes in interest rates 1 (25) (6) Effect of changes in equity index volatility — — (3) Actual policyholder behavior different from expected behavior (1) 6 (16) Effect of changes in future expected policyholder behavior and other assumptions (1) 5 — Effect of foreign currency translation and other, net (18) (40) (14) Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 205 233 284 Cumulative effect of changes in the instrument-specific credit risk (2) (8) (8) Effect of foreign currency translation on the cumulative instrument-specific credit risk — 1 1 Balance at December 31, $ 203 $ 226 $ 277 At period end: Net amount at risk, excluding offsets from hedging: At annuitization or exercise of other living benefits (1) $ 119 $ 127 $ 119 Weighted-average attained age of contractholders: At annuitization or exercise of other living benefits (1) 58 years 58 years 57 years __________________ (1) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 3,225 $ 5,929 $ 7,001 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 3,360 $ 6,229 $ 7,055 Attributed fees collected 377 387 413 Benefit payments (58) (42) (41) Effect of changes in interest rates (161) (3,610) (536) Effect of changes in capital markets (900) 861 (1,163) Effect of changes in equity index volatility (135) 38 25 Actual policyholder behavior different from expected behavior 144 20 (92) Effect of changes in future expected policyholder behavior and other assumptions (1) 9 (328) 563 Effect of foreign currency translation and other, net (2) 152 36 350 Effect of changes in risk margin (16) (231) (345) Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 2,772 3,360 6,229 Cumulative effect of changes in the instrument-specific credit risk (54) (130) (304) Effect of foreign currency translation on the cumulative instrument-specific credit risk 4 (5) 4 Balance at December 31, $ 2,722 $ 3,225 $ 5,929 At period end: Net amount at risk, excluding offsets from hedging (3): In the event of death (4) $ 2,828 $ 4,387 $ 1,131 At annuitization or exercise of other living benefits (5) $ 675 $ 1,141 $ 565 Weighted-average attained age of contractholders: In the event of death (4) 70 years 69 years 70 years At annuitization or exercise of other living benefits (5) 70 years 71 years 68 years __________________ (1) For the year ended December 31, 2022, the effect of changes in future expected policyholder behavior and other assumptions was primarily driven by changes in policyholder behavior assumptions relating to projected annuitizations for variable annuities. (2) Included is the covariance impact from aggregating the market observable inputs, mostly driven by interest rate and capital market volatility. (3) Includes amounts for certain variable annuities guarantees recorded as MRBs on contracts also recorded as PABs which are disclosed in “MetLife Holdings – Annuities” in Note 5. (4) For those guarantees of benefits that are payable in the event of death, the net amount at risk is generally defined as the current guaranteed minimum death benefit in excess of the current account balance at the balance sheet date. It represents the amount of the claim that the Company would incur if death claims were filed on all contracts at the balance sheet date. (5) For benefits that are payable in the event of annuitization or exercise of other living benefits, the net amount at risk is generally defined as the amount (if any) that would be required to be added to the total account value to purchase a lifetime income stream, based on current annuity rates or to provide other living benefits. This amount represents the Company’s potential economic exposure in the event all contractholders were to annuitize or to exercise other living benefits at the balance sheet date. Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 32 $ 491 $ 582 Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 24 $ 539 $ 619 Attributed fees collected 34 61 72 Benefit payments (28) (4) (2) Effect of changes in interest rates (3) (499) (227) Effect of changes in capital markets (41) 139 (110) Effect of changes in equity index volatility (6) 31 4 Actual policyholder behavior different from expected behavior (22) (12) 29 Effect of changes in future expected policyholder behavior and other assumptions 2 (1) 56 Effect of foreign currency translation and other, net (9) (224) 100 Effect of changes in risk margin (1) (6) (2) Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk (50) 24 539 Cumulative effect of changes in the instrument-specific credit risk 17 7 (49) Effect of foreign currency translation on the cumulative instrument-specific credit risk 1 1 1 Net balance at December 31, (32) 32 491 Less: Reinsurance recoverable 18 23 33 Balance at December 31, $ (50) $ 9 $ 458

Separate Account (Tables)

Separate Account (Tables)	12 Months Ended
	Dec. 31, 2023
Separate Accounts Disclosure [Abstract]
Separate Account Liabilities	The Company’s separate account liabilities on the consolidated balance sheets were as follows at: December 31, 2023 December 31, 2022 (In millions) RIS: Stable Value and Risk Solutions $ 41,343 $ 48,265 Annuities 11,659 11,694 Latin America - Pensions 41,320 39,428 MetLife Holdings - Annuities 29,224 28,499 Other 21,088 18,152 Total $ 144,634 $ 146,038
Separate Account, Liability Rollforward	The balances of and changes in separate account liabilities were as follows: RIS Stable Value and Risk Solutions RIS Annuities Latin America MetLife Holdings (In millions) Balance, January 1, 2021 $ 62,150 $ 21,895 $ 50,075 $ 40,825 Premiums and deposits 3,676 944 6,251 298 Policy charges (302) (35) (228) (789) Surrenders and withdrawals (8,170) (2,457) (4,432) (4,461) Benefit payments (142) — (6,410) (500) Investment performance 833 1,189 825 5,037 Net transfers from (to) general account (41) 30 — (237) Effect of foreign currency translation and other, net 469 (274) (8,450) — Balance, December 31, 2021 $ 58,473 $ 21,292 $ 37,631 $ 40,173 Premiums and deposits 5,253 1,233 7,058 267 Policy charges (309) (25) (253) (665) Surrenders and withdrawals (5,885) (7,481) (5,155) (2,911) Benefit payments (125) — (1,559) (431) Investment performance (4,503) (2,823) 1,490 (7,738) Net transfers from (to) general account 82 (56) — (199) Effect of foreign currency translation and other, net (1) (4,721) (446) 216 3 Balance, December 31, 2022 $ 48,265 $ 11,694 $ 39,428 $ 28,499 Premiums and deposits 2,203 175 7,936 256 Policy charges (285) (21) (287) (609) Surrenders and withdrawals (11,123) (944) (5,781) (2,948) Benefit payments (99) — (1,702) (464) Investment performance 2,595 774 2,814 4,561 Net transfers from (to) general account (56) 3 — (74) Effect of foreign currency translation and other, net (157) (22) (1,088) 3 Balance, December 31, 2023 $ 41,343 $ 11,659 $ 41,320 $ 29,224 Cash surrender value at December 31, 2021 (2) $ 48,276 N/A $ 37,631 $ 39,932 Cash surrender value at December 31, 2022 (2) $ 42,728 N/A $ 39,428 $ 28,348 Cash surrender value at December 31, 2023 (2) $ 35,950 N/A $ 41,320 $ 29,078 __________________ (1) The effect of foreign currency translation and other, net for RIS stable value and risk solutions primarily includes changes related to unsettled trades of mortgage-backed securities. (2) Cash surrender value represents the amount of the contractholders’ account balances distributable at the balance sheet date less policy loans and certain surrender charges.
Fair Value, Separate Account Investment	The Company’s aggregate fair value of assets, by major investment asset category, supporting separate account liabilities was as follows at: December 31, 2023 Group Benefits RIS Asia Latin America EMEA MetLife Holdings Total (In millions) Fixed maturity securities: Bonds: Foreign government $ — $ 509 $ 1,190 $ 1,051 $ 2,638 $ — $ 5,388 U.S. government and agency — 9,673 — 9,920 — 18 19,611 Public utilities — 1,077 308 — — 4 1,389 Municipals — 380 31 — — 13 424 Corporate bonds: Materials — 144 — — — — 144 Communications — 893 8 — — 3 904 Consumer — 1,882 39 — — 8 1,929 Energy — 911 105 — — 2 1,018 Financial — 2,717 551 6,006 398 15 9,687 Industrial and other — 764 38 3,598 — 3 4,403 Technology — 547 — — — 3 550 Foreign — 1,920 — 3,095 27 13 5,055 Total corporate bonds — 9,778 741 12,699 425 47 23,690 Total bonds — 21,417 2,270 23,670 3,063 82 50,502 Mortgage-backed securities — 9,671 — — — 35 9,706 Asset-backed securities and collateralized loan obligations — 2,557 18 — — 11 2,586 Redeemable preferred stock — 9 — — — — 9 Total fixed maturity securities — 33,654 2,288 23,670 3,063 128 62,803 Equity securities: Common stock: Industrial, miscellaneous and all other — 2,411 2,661 2,453 677 — 8,202 Banks, trust and insurance companies — 731 269 392 341 — 1,733 Public utilities — 67 19 — 72 — 158 Non-redeemable preferred stock — — 115 — — — 115 Mutual funds 1,159 8,517 2,929 10,099 109 35,418 58,231 Total equity securities 1,159 11,726 5,993 12,944 1,199 35,418 68,439 Other invested assets — 1,620 403 4,212 30 — 6,265 Total investments 1,159 47,000 8,684 40,826 4,292 35,546 137,507 Other assets — 6,093 503 494 35 2 7,127 Total $ 1,159 $ 53,093 $ 9,187 $ 41,320 $ 4,327 $ 35,548 $ 144,634 December 31, 2022 Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Total (In millions) Fixed maturity securities: Bonds: Foreign government $ — $ 588 $ 1,047 $ 593 $ 1,988 $ — $ 4,216 U.S. government and agency — 11,340 — 8,828 — 13 20,181 Public utilities — 1,183 281 — — 4 1,468 Municipals — 504 33 — — 12 549 Corporate bonds: Materials — 242 — — — — 242 Communications — 1,182 8 — — 3 1,193 Consumer — 2,393 — — — 7 2,400 Energy — 866 103 — — 1 970 Financial — 3,538 527 7,389 444 16 11,914 Industrial and other — 882 186 3,635 — 3 4,706 Technology — 717 — — — 3 720 Foreign — 2,473 — 4,018 21 12 6,524 Total corporate bonds — 12,293 824 15,042 465 45 28,669 Total bonds — 25,908 2,185 24,463 2,453 74 55,083 Mortgage-backed securities — 12,328 — — — 32 12,360 Asset-backed securities and collateralized loan obligations — 2,926 28 — — 14 2,968 Redeemable preferred stock — 4 — — — — 4 Total fixed maturity securities — 41,166 2,213 24,463 2,453 120 70,415 Equity securities: Common stock: Industrial, miscellaneous and all other — 2,910 2,330 2,100 475 — 7,815 Banks, trust and insurance companies — 599 270 347 188 — 1,404 Public utilities — 96 27 — 45 — 168 Non-redeemable preferred stock — 2 — — — — 2 Mutual funds 988 7,259 2,607 8,639 75 33,848 53,416 Total equity securities 988 10,866 5,234 11,086 783 33,848 62,805 Other invested assets 2 1,863 411 3,687 43 — 6,006 Total investments 990 53,895 7,858 39,236 3,279 33,968 139,226 Other assets — 6,145 434 192 35 6 6,812 Total $ 990 $ 60,040 $ 8,292 $ 39,428 $ 3,314 $ 33,974 $ 146,038 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.

Deferred Policy Acquisition C_2

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (Tables)	12 Months Ended
	Dec. 31, 2023
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Accounting Standards Update and Change in Accounting Principle	The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated balance sheet: December 31, 2022 As Previously Reported Adoption Post (In millions) Assets Premiums, reinsurance and other receivables $ 17,461 $ (97) $ 17,364 Market risk benefits $ — $ 280 $ 280 Deferred policy acquisition costs and value of business acquired $ 22,983 $ (3,330) $ 19,653 Deferred income tax asset $ 2,830 $ (391) $ 2,439 Other assets $ 11,026 $ (1) $ 11,025 Total assets $ 666,611 $ (3,539) $ 663,072 Liabilities Future policy benefits $ 204,228 $ (17,006) $ 187,222 Policyholder account balances $ 203,082 $ 7,515 $ 210,597 Market risk benefits $ — $ 3,763 $ 3,763 Other policy-related balances $ 19,651 $ (1,227) $ 18,424 Deferred income tax liability $ 325 $ 625 $ 950 Other liabilities $ 25,980 $ (47) $ 25,933 Total liabilities $ 639,324 $ (6,377) $ 632,947 Equity Retained earnings $ 41,953 $ (1,621) $ 40,332 Accumulated other comprehensive income (loss) $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.'s stockholders' equity $ 27,040 $ 2,841 $ 29,881 Noncontrolling interests $ 247 $ (3) $ 244 Total equity $ 27,287 $ 2,838 $ 30,125 Total liabilities and equity $ 666,611 $ (3,539) $ 663,072 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statement of operations: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Revenues Premiums $ 49,397 $ (887) $ 48,510 $ 42,009 $ (857) $ 41,152 Universal life and investment-type product policy fees $ 5,585 $ (360) $ 5,225 $ 5,756 $ (512) $ 5,244 Other revenues $ 2,634 $ (4) $ 2,630 $ 2,619 $ — $ 2,619 Net investment gains (losses) $ (1,262) $ 2 $ (1,260) $ 1,529 $ 14 $ 1,543 Net derivative gains (losses) $ (2,372) $ 121 $ (2,251) $ (2,228) $ (1,029) $ (3,257) Total revenues $ 69,898 $ (1,128) $ 68,770 $ 71,080 $ (2,384) $ 68,696 Expenses Policyholder benefits and claims $ 50,612 $ (1,105) $ 49,507 $ 43,954 $ (836) $ 43,118 Policyholder liability remeasurement (gains) losses $ — $ 114 $ 114 $ — $ (172) $ (172) Market risk benefit remeasurement (gains) losses $ — $ (3,674) $ (3,674) $ — $ (1,237) $ (1,237) Interest credited to policyholder account balances $ 3,692 $ 202 $ 3,894 $ 5,538 $ 33 $ 5,571 Policyholder dividends $ 701 $ 5 $ 706 $ 876 $ 4 $ 880 Other expenses $ 12,034 $ (175) $ 11,859 $ 12,586 $ (568) $ 12,018 Total expenses $ 67,039 $ (4,633) $ 62,406 $ 62,954 $ (2,776) $ 60,178 Income (loss) before provision for income tax $ 2,859 $ 3,505 $ 6,364 $ 8,126 $ 392 $ 8,518 Provision for income tax expense (benefit) $ 301 $ 761 $ 1,062 $ 1,551 $ 91 $ 1,642 Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Net income (loss) attributable to noncontrolling interests $ 19 $ (1) $ 18 $ 21 $ — $ 21 Net income (loss) attributable to MetLife, Inc. $ 2,539 $ 2,745 $ 5,284 $ 6,554 $ 301 $ 6,855 Net income (loss) available to MetLife, Inc.'s common shareholders $ 2,354 $ 2,745 $ 5,099 $ 6,353 $ 301 $ 6,654 Net income (loss) available to MetLife, Inc.'s common shareholders per common share: Basic $ 2.93 $ 3.42 $ 6.35 $ 7.36 $ 0.35 $ 7.71 Diluted $ 2.91 $ 3.39 $ 6.30 $ 7.31 $ 0.34 $ 7.65 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of comprehensive income: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Unrealized investment gains (losses), net of related offsets $ (47,831) $ (8,666) $ (56,497) $ (8,171) $ (4,669) $ (12,840) Future policy benefits discount rate remeasurement gains (losses) $ — $ 31,804 $ 31,804 $ — $ 10,102 $ 10,102 Market risk benefits instrument-specific credit risk remeasurement gains (losses) $ — $ (219) $ (219) $ — $ 257 $ 257 Foreign currency translation adjustments $ (1,242) $ 4 $ (1,238) $ (1,306) $ 40 $ (1,266) Other comprehensive income (loss), before income tax $ (48,879) $ 22,923 $ (25,956) $ (9,012) $ 5,730 $ (3,282) Income tax (expense) benefit related to items of other comprehensive income (loss) $ 10,871 $ (5,092) $ 5,779 $ 1,862 $ (1,343) $ 519 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) $ (7,150) $ 4,387 $ (2,763) Comprehensive income (loss) $ (35,450) $ 20,575 $ (14,875) $ (575) $ 4,688 $ 4,113 Less: Comprehensive income (loss) attributable to noncontrolling interest, net of income tax $ 13 $ (2) $ 11 $ 24 $ — $ 24 Comprehensive income (loss) attributable to MetLife, Inc. $ (35,463) $ 20,577 $ (14,886) $ (599) $ 4,688 $ 4,089 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of equity: As Previously Reported Adoption Post (In millions) Retained Earnings Balance at December 31, 2020 $ 36,491 $ — $ 36,491 Cumulative effects of changes in accounting principles, net of income tax $ — $ (4,667) $ (4,667) Net income (loss) $ 6,554 $ 301 $ 6,855 Balance at December 31, 2021 $ 41,197 $ (4,366) $ 36,831 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Balance at December 31, 2022 $ 41,953 $ (1,621) $ 40,332 Accumulated Other Comprehensive Income (Loss) Balance at December 31, 2020 $ 18,072 $ — $ 18,072 Cumulative effects of changes in accounting principles, net of income tax $ — $ (17,757) $ (17,757) Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 10,919 $ (13,370) $ (2,451) Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ (27,083) $ 4,462 $ (22,621) Total MetLife, Inc.’s Stockholders’ Equity Balance at December 31, 2020 $ 74,558 $ — $ 74,558 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,554 $ 301 $ 6,855 Other comprehensive income (loss), net of income tax $ (7,153) $ 4,387 $ (2,766) Balance at December 31, 2021 $ 67,482 $ (17,736) $ 49,746 Net income (loss) $ 2,539 $ 2,745 $ 5,284 Other comprehensive income (loss), net of income tax $ (38,002) $ 17,832 $ (20,170) Balance at December 31, 2022 $ 27,040 $ 2,841 $ 29,881 Noncontrolling Interests Balance at December 31, 2021 $ 267 $ — $ 267 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 19 $ (1) $ 18 Other comprehensive income (loss), net of income tax $ (6) $ (1) $ (7) Balance at December 31, 2022 $ 247 $ (3) $ 244 Total Equity Balance at December 31, 2020 $ 74,817 $ — $ 74,817 Cumulative effects of changes in accounting principles, net of income tax $ — $ (22,424) $ (22,424) Net income (loss) $ 6,575 $ 301 $ 6,876 Other comprehensive income (loss), net of income tax $ (7,150) $ 4,387 $ (2,763) Balance at December 31, 2021 $ 67,749 $ (17,736) $ 50,013 Change in equity of noncontrolling interests $ (33) $ (1) $ (34) Net income (loss) $ 2,558 $ 2,744 $ 5,302 Other comprehensive income (loss), net of income tax $ (38,008) $ 17,831 $ (20,177) Balance at December 31, 2022 $ 27,287 $ 2,838 $ 30,125 The following table presents the effects of the retrospective application of the adoption of the new LDTI accounting guidance to the Company’s previously reported consolidated statements of cash flows: December 31, 2022 2021 As Previously Reported Adoption Post As Previously Reported Adoption Post (In millions) Cash flows from operating activities Net income (loss) $ 2,558 $ 2,744 $ 5,302 $ 6,575 $ 301 $ 6,876 Amortization of premiums and accretion of discounts associated with investments, net $ (960) $ (32) $ (992) $ (855) $ (19) $ (874) (Gains) losses on investments and from sales of businesses, net $ 1,262 $ (2) $ 1,260 $ (1,529) $ (14) $ (1,543) (Gains) losses on derivatives, net $ 4,317 $ (167) $ 4,150 $ 4,190 $ 486 $ 4,676 Interest credited to policyholder account balances $ 3,737 $ 34 $ 3,771 $ 5,490 $ 138 $ 5,628 Universal life and investment-type product policy fees $ (3,970) $ 1 $ (3,969) $ (3,638) $ (25) $ (3,663) Change in premiums, reinsurance and other receivables $ 256 $ 43 $ 299 $ 389 $ (27) $ 362 Change in market risk benefits $ — $ (3,347) $ (3,347) $ — $ (839) $ (839) Change in deferred policy acquisition costs and value of business acquired, net $ (568) $ (232) $ (800) $ (106) $ (602) $ (708) Change in income tax $ (591) $ 789 $ 198 $ 598 $ 258 $ 856 Change in other assets $ 27 $ 111 $ 138 $ (681) $ (327) $ (1,008) Change in insurance-related liabilities and policy-related balances $ 4,058 $ (121) $ 3,937 $ 4,553 $ 449 $ 5,002 Change in other liabilities $ 341 $ 19 $ 360 $ 71 $ (3) $ 68 Other, net $ 245 $ — $ 245 $ 138 $ (25) $ 113 Net cash provided by (used in) operating activities $ 13,204 $ (160) $ 13,044 $ 12,596 $ (249) $ 12,347 Cash flows from financing activities Policyholder account balances - deposits $ 103,036 $ 865 $ 103,901 $ 96,367 $ 839 $ 97,206 Policyholder account balances - withdrawals $ (97,886) $ (705) $ (98,591) $ (92,540) $ (590) $ (93,130) Net cash provided by (used in) financing activities $ (10,108) $ 160 $ (9,948) $ (1,375) $ 249 $ (1,126) The LDTI transition adjustments related to traditional and limited-payment contracts, DPLs, and additional insurance liabilities, as well as the associated ceded recoverables, as described in Note 1, were as follows at the Transition Date: RIS Annuities Asia Asia Latin America Fixed Annuities MetLife Holdings Long-Term Care MetLife Holdings Other Long-Duration Short-Duration and Other Total (In millions) Balance, future policy benefits, at December 31, 2020 $ 66,030 $ 17,990 $ 16,330 $ 8,393 $ 14,281 $ 51,148 $ 19,128 $ 13,356 $ 206,656 Removal of additional insurance liabilities for separate presentation (1) (4) — — — — — (6,561) — (6,565) Subtotal - pre-adoption balance, excluding additional liabilities 66,026 17,990 16,330 8,393 14,281 51,148 12,567 13,356 200,091 Removal of related amounts in AOCI (5,914) — — (295) (1,210) — (492) — (7,911) Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — — — — (176) — (176) Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach 337 51 154 121 — — 56 — 719 Effect of remeasurement of future policy benefits to an upper-medium grade discount rate 15,834 4,386 285 2,869 8,270 — 2,475 — 34,119 Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard (7,416) 4 47 (1) — — (124) — (7,490) Removal of remeasured deferred profit liabilities for separate presentation (1) (2,897) (225) (691) (570) — — (275) — (4,658) Balance, traditional and limited-payment contracts, at January 1, 2021 $ 65,970 $ 22,206 $ 16,125 $ 10,517 $ 21,341 $ 51,148 $ 14,031 $ 13,356 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 $ 2,897 $ 225 $ 691 $ 570 $ — $ — $ 275 $ — $ 4,658 Balance, ceded recoverables on traditional and limited-payment contracts at December 31, 2020 $ 203 $ — $ 32 $ — $ — $ 1,052 $ 1,287 Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate 135 (15) (66) — — 297 351 Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach — — — — — 32 32 Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract 6 — (2) — — 10 14 Balance ceded recoverables on traditional and limited-payment contracts at January 1, 2021 $ 344 $ (15) $ (36) $ — $ — $ 1,391 $ 1,684 __________________ (1) LDTI requires separate disaggregated rollforwards of the additional insurance liabilities balance and the traditional and limited-payment FPBs. Therefore, the additional insurance liabilities and DPL amounts that are recorded in the FPB financial statement line item are removed to derive the opening balance of traditional and limited-payment contracts at the Transition Date. Asia Asia Universal and Variable Universal Life MetLife Holdings Universal and Variable Universal Life Other Long-Duration Total (In millions) Additional insurance liabilities at December 31, 2020 $ 1,824 $ 788 $ 1,976 $ 1,977 $ 6,565 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — — (1,642) (1,642) Adjustments for the cumulative effect of adoption on additional insurance liabilities — — 38 45 83 Additional insurance liabilities at January 1, 2021 $ 1,824 $ 788 $ 2,014 $ 380 $ 5,006 Ceded recoverables on additional insurance liabilities at December 31, 2020 $ — $ — $ 719 $ 8 $ 727 Reclassification of carrying amounts of contracts and contract features that are reinsured market risk benefits — — — (8) (8) Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities — — 1 — 1 Ceded recoverables on additional insurance liabilities at January 1, 2021 $ — $ — $ 720 $ — $ 720 Balance, traditional and limited-payment contracts, at January 1, 2021 $ 214,694 Balance, deferred profit liabilities at January 1, 2021 4,658 Balance, additional insurance liabilities at January 1, 2021 5,006 Total future policy benefits at January 1, 2021 $ 224,358 The LDTI transition adjustments related to PABs, as described in Note 1, were as follows at the Transition Date: Group Benefits Group Life RIS Capital Markets Investment Products and Stable Value GICs RIS Annuities and Risk Solutions Asia Asia EMEA MetLife Holdings Annuities MetLife Holdings Other Total (In millions) Balance at December 31, 2020 $ 7,586 $ 62,908 $ 6,250 $ 43,868 $ 31,422 $ 4,777 $ 15,727 $ 13,129 $ 19,509 $ 205,176 Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — (24) — — 2 (493) (273) (170) (958) Other balance sheet reclassifications upon adoption of the LDTI standard — — 7,417 — — — — — 102 7,519 Balance at January 1, 2021 $ 7,586 $ 62,908 $ 13,643 $ 43,868 $ 31,422 $ 4,779 $ 15,234 $ 12,856 $ 19,441 $ 211,737 The LDTI transition adjustments related to MRB liabilities, as described in Note 1, were as follows at the Transition Date: Asia MetLife Holdings Other Total (In millions) Direct and assumed MRB liabilities at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits 247 2,291 251 2,789 Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date (7) (54) (38) (99) Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value 78 4,764 369 5,211 Direct and assumed MRB liabilities at January 1, 2021 $ 318 $ 7,001 $ 582 $ 7,901 Reinsured MRB assets at December 31, 2020 $ — $ — $ — $ — Reclassification of carrying amounts of contracts and contract features that are market risk benefits — — 63 63 Adjustments for the difference between previous carrying amounts and fair value measurements — — (12) $ (12) Reinsured MRB assets at January 1, 2021 (1) $ — $ — $ 51 $ 51 __________________ (1) Reinsured MRB assets are classified within premiums, reinsurance and other receivables on the consolidated balance sheets. The transition adjustments related to DAC, VOBA, UREV and negative VOBA, as described in Note 1, were as follows at the Transition Date: Group Benefits (1) RIS (1) Asia Latin America EMEA MetLife Holdings Corporate & Other Total (In millions) DAC: Balance at December 31, 2020 $ 279 $ 130 $ 7,432 $ 1,344 $ 1,551 $ 2,679 $ 31 $ 13,446 Removal of related amounts in AOCI — — 2,309 50 — 1,621 — 3,980 Other adjustments upon adoption of the LDTI standard — — — — 14 11 — 25 Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 VOBA: Balance at December 31, 2020 $ — $ 25 $ 1,901 $ 748 $ 236 $ 33 $ — $ 2,943 Removal of related amounts in AOCI — — 14 8 — 5 — 27 Other adjustments upon adoption of the LDTI standard — — — — (4) — — (4) Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 UREV: Balance at December 31, 2020 $ — $ 42 $ 587 $ 740 $ 556 $ 188 $ — $ 2,113 Removal of related amounts in AOCI — — 1,029 95 (81) — — 1,043 Other adjustments upon adoption of the LDTI standard — — — — 7 — — 7 Balance at January 1, 2021 $ — $ 42 $ 1,616 $ 835 $ 482 $ 188 $ — $ 3,163 Negative VOBA: Balance at December 31, 2020 $ 738 Reclassification of carrying amounts of contracts and contract features that are market risk benefits (72) Balance at January 1, 2021 $ 666 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments.
Schedule of Deferred Policy Acquisition Costs and Value of Business Acquired	Information regarding total DAC and VOBA by segment, as well as Corporate & Other, was as follows at: Group Benefits (1) RIS (1) Asia (2) Latin America (3) EMEA (3) MetLife Holdings (4) Corporate & Other Total (In millions) DAC: Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 Capitalizations (5) 19 95 1,601 406 499 31 100 2,751 Amortization (5) (26) (34) (655) (311) (360) (313) (107) (1,806) Effect of foreign currency translation and other, net (5) — — (629) (128) (129) — 8 (878) Reclassified to assets held-for-sale (6) — — — — (103) — — (103) Balance at December 31, 2021 272 191 10,058 1,361 1,472 4,029 32 17,415 Capitalizations 18 113 1,530 494 422 29 8 2,614 Amortization (26) (37) (644) (361) (311) (267) (9) (1,655) Effect of foreign currency translation and other, net — — (674) 48 (103) — (1) (730) Balance at December 31, 2022 264 267 10,270 1,542 1,480 3,791 30 17,644 Capitalizations 20 176 1,583 651 457 22 8 2,917 Amortization (26) (46) (705) (418) (332) (255) (9) (1,791) Effect of foreign currency translation and other, net (7) — — (284) 175 13 (287) 1 (382) Balance at December, 31, 2023 $ 258 $ 397 $ 10,864 $ 1,950 $ 1,618 $ 3,271 $ 30 $ 18,388 VOBA: Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 Amortization — (3) (131) (61) (29) (7) — (231) Effect of foreign currency translation and other, net — — (191) (104) (15) — — (310) Reclassified to assets held-for-sale (6) — — — — (34) — — (34) Balance at December 31, 2021 — 22 1,593 591 154 31 — 2,391 Amortization — (3) (101) (49) (20) (3) — (176) Effect of foreign currency translation and other, net — — (202) 3 (7) — — (206) Balance at December 31, 2022 — 19 1,290 545 127 28 — 2,009 Amortization — (3) (89) (50) (16) (3) — (161) Effect of foreign currency translation and other, net (7) — — (82) 2 2 (7) — (85) Balance at December 31, 2023 $ — $ 16 $ 1,119 $ 497 $ 113 $ 18 $ — $ 1,763 Total DAC and VOBA: Balance at December 31, 2021 $ 19,806 Balance at December 31, 2022 $ 19,653 Balance at December 31, 2023 $ 20,151 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) Includes DAC balances primarily related to accident & health, universal and variable universal life, variable life and fixed annuity products and VOBA balances primarily related to accident & health products. (3) Includes DAC balances primarily related to universal life and variable universal life products. (4) Includes DAC balances primarily related to universal life, variable universal life, whole life, term life and variable annuity products. (5) Corporate & Other includes activity related to MetLife P&C, a former subsidiary of the Company, that was previously reported in the former U.S. segment. See Notes 2 and 3. (6) See Note 3 for information on the Company’s dispositions. (7) MetLife Holdings segment includes activity for total DAC and total VOBA ceded at the date of inception related to a reinsurance agreement. See Note 9 for further information on the transaction.
Schedule of Deferred Policy Acquisition Costs and Value of Business Acquired	Information regarding total DAC and VOBA by segment, as well as Corporate & Other, was as follows at: Group Benefits (1) RIS (1) Asia (2) Latin America (3) EMEA (3) MetLife Holdings (4) Corporate & Other Total (In millions) DAC: Balance at January 1, 2021 $ 279 $ 130 $ 9,741 $ 1,394 $ 1,565 $ 4,311 $ 31 $ 17,451 Capitalizations (5) 19 95 1,601 406 499 31 100 2,751 Amortization (5) (26) (34) (655) (311) (360) (313) (107) (1,806) Effect of foreign currency translation and other, net (5) — — (629) (128) (129) — 8 (878) Reclassified to assets held-for-sale (6) — — — — (103) — — (103) Balance at December 31, 2021 272 191 10,058 1,361 1,472 4,029 32 17,415 Capitalizations 18 113 1,530 494 422 29 8 2,614 Amortization (26) (37) (644) (361) (311) (267) (9) (1,655) Effect of foreign currency translation and other, net — — (674) 48 (103) — (1) (730) Balance at December 31, 2022 264 267 10,270 1,542 1,480 3,791 30 17,644 Capitalizations 20 176 1,583 651 457 22 8 2,917 Amortization (26) (46) (705) (418) (332) (255) (9) (1,791) Effect of foreign currency translation and other, net (7) — — (284) 175 13 (287) 1 (382) Balance at December, 31, 2023 $ 258 $ 397 $ 10,864 $ 1,950 $ 1,618 $ 3,271 $ 30 $ 18,388 VOBA: Balance at January 1, 2021 $ — $ 25 $ 1,915 $ 756 $ 232 $ 38 $ — $ 2,966 Amortization — (3) (131) (61) (29) (7) — (231) Effect of foreign currency translation and other, net — — (191) (104) (15) — — (310) Reclassified to assets held-for-sale (6) — — — — (34) — — (34) Balance at December 31, 2021 — 22 1,593 591 154 31 — 2,391 Amortization — (3) (101) (49) (20) (3) — (176) Effect of foreign currency translation and other, net — — (202) 3 (7) — — (206) Balance at December 31, 2022 — 19 1,290 545 127 28 — 2,009 Amortization — (3) (89) (50) (16) (3) — (161) Effect of foreign currency translation and other, net (7) — — (82) 2 2 (7) — (85) Balance at December 31, 2023 $ — $ 16 $ 1,119 $ 497 $ 113 $ 18 $ — $ 1,763 Total DAC and VOBA: Balance at December 31, 2021 $ 19,806 Balance at December 31, 2022 $ 19,653 Balance at December 31, 2023 $ 20,151 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) Includes DAC balances primarily related to accident & health, universal and variable universal life, variable life and fixed annuity products and VOBA balances primarily related to accident & health products. (3) Includes DAC balances primarily related to universal life and variable universal life products. (4) Includes DAC balances primarily related to universal life, variable universal life, whole life, term life and variable annuity products. (5) Corporate & Other includes activity related to MetLife P&C, a former subsidiary of the Company, that was previously reported in the former U.S. segment. See Notes 2 and 3. (6) See Note 3 for information on the Company’s dispositions. (7) MetLife Holdings segment includes activity for total DAC and total VOBA ceded at the date of inception related to a reinsurance agreement. See Note 9 for further information on the transaction.
Value of Distribution Agreements and Customer Relationships Acquired and Negative Value of Business Acquired	Information regarding other intangibles was as follows: Years Ended December 31, 2023 2022 2021 (In millions) VODA and VOCRA: Balance at January 1, $ 876 $ 972 $ 1,099 Acquisitions — — — Amortization (88) (92) (100) Effect of foreign currency translation and other 6 (4) (27) Balance at December 31, $ 794 $ 876 $ 972 Accumulated amortization $ 755 $ 667 $ 575 Negative VOBA: Balance at January 1, $ 473 $ 557 $ 666 Amortization (26) (29) (35) Effect of foreign currency translation and other (20) (55) (74) Balance at December 31, $ 427 $ 473 $ 557 Accumulated amortization $ 3,398 $ 3,372 $ 3,343
Estimated Future Amortization Expense (Credit)	The estimated future amortization expense (credit) to be reported in other expenses for the next five years is as follows: VOBA VODA and VOCRA Negative VOBA (In millions) 2024 $ 148 $ 84 $ (26) 2025 $ 138 $ 82 $ (24) 2026 $ 129 $ 80 $ (23) 2027 $ 118 $ 78 $ (22) 2028 $ 109 $ 75 $ (21)
Deferred Revenue, by Arrangement, Disclosure	Information regarding the Company’s UREV primarily related to universal life and variable universal life products by segment included in other policy-related balances was as follows: RIS (1) Asia Latin EMEA MetLife Holdings Total (In millions) Balance at January 1, 2021 $ 42 $ 1,616 $ 835 $ 482 $ 188 $ 3,163 Deferrals 3 610 110 97 64 884 Amortization (7) (147) (96) (59) (14) (323) Effect of foreign currency translation and other - net — (46) (54) 1 — (99) Balance at December 31, 2021 38 2,033 795 521 238 3,625 Deferrals 5 546 134 111 60 856 Amortization (7) (144) (116) (59) (17) (343) Effect of foreign currency translation and other - net — (53) 35 (14) — (32) Balance at December 31, 2022 36 2,382 848 559 281 4,106 Deferrals 2 667 147 95 48 959 Amortization (7) (181) (116) (63) (18) (385) Effect of foreign currency translation and other - net (2) — (18) 110 17 (252) (143) Balance at December 31, 2023 $ 31 $ 2,850 $ 989 $ 608 $ 59 $ 4,537 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) MetLife Holdings segment includes activity for total UREV ceded at the date of inception related to a reinsurance agreement. See Note 9 for further information on the transaction.

Reinsurance (Tables)

Reinsurance (Tables)	12 Months Ended
	Dec. 31, 2023
Reinsurance Disclosures [Abstract]
Effect of reinsurance	The amounts on the consolidated statements of operations include the impact of reinsurance. Information regarding the significant effects of reinsurance was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Premiums Direct premiums $ 43,359 $ 47,618 $ 40,377 Reinsurance assumed 3,112 3,035 2,909 Reinsurance ceded (2,188) (2,143) (2,134) Net premiums $ 44,283 $ 48,510 $ 41,152 Universal life and investment-type product policy fees Direct universal life and investment-type product policy fees $ 5,787 $ 5,687 $ 5,813 Reinsurance assumed (19) 32 (13) Reinsurance ceded (616) (494) (556) Net universal life and investment-type product policy fees $ 5,152 $ 5,225 $ 5,244 Policyholder benefits and claims Direct policyholder benefits and claims $ 44,155 $ 49,308 $ 43,199 Reinsurance assumed 2,904 2,604 2,546 Reinsurance ceded (2,469) (2,405) (2,627) Net policyholder benefits and claims $ 44,590 $ 49,507 $ 43,118 Policyholder liability remeasurement (gains) losses Direct policyholder liability remeasurement (gains) losses $ (54) $ 94 $ (185) Reinsurance assumed (20) 9 21 Reinsurance ceded 29 11 (8) Net policyholder liability remeasurement (gains) losses $ (45) $ 114 $ (172) Market risk benefits remeasurement (gains) losses Direct market risk benefits remeasurement (gains) losses $ (785) $ (3,636) $ (959) Reinsurance assumed (214) (46) (291) Reinsurance ceded 5 8 13 Net market risk benefits remeasurement (gains) losses $ (994) $ (3,674) $ (1,237) Other expenses Direct other expenses $ 12,760 $ 11,854 $ 11,984 Reinsurance assumed 235 268 329 Reinsurance ceded (285) (263) (295) Net other expenses $ 12,710 $ 11,859 $ 12,018 The amounts on the consolidated balance sheets include the impact of reinsurance. Information regarding the significant effects of reinsurance was as follows at: December 31, 2023 2022 Direct Assumed Ceded Total Direct Assumed Ceded Total (In millions) Assets Premiums, reinsurance and other receivables $ 6,044 $ 1,405 $ 21,522 $ 28,971 $ 5,427 $ 1,505 $ 10,432 $ 17,364 Market risk benefits 279 7 — 286 273 7 — 280 Deferred policy acquisition costs and value of business acquired 20,297 353 (499) 20,151 19,522 352 (221) 19,653 Total assets $ 26,620 $ 1,765 $ 21,023 $ 49,408 $ 25,222 $ 1,864 $ 10,211 $ 37,297 Liabilities Future policy benefits $ 192,424 $ 3,982 $ — $ 196,406 $ 183,377 $ 3,845 $ — $ 187,222 Market risk benefits 3,141 38 — 3,179 3,591 172 — 3,763 Other policy-related balances 18,852 1,152 (268) 19,736 17,250 1,183 (9) 18,424 Other liabilities 27,125 1,892 6,788 35,805 18,654 2,006 5,273 25,933 Total liabilities $ 241,542 $ 7,064 $ 6,520 $ 255,126 $ 222,872 $ 7,206 $ 5,264 $ 235,342

Closed Block (Tables)

Closed Block (Tables)	12 Months Ended
	Dec. 31, 2023
Closed Block Disclosure [Abstract]
Closed block liabilities and assets	Information regarding the liabilities and assets designated to the closed block was as follows at: December 31, 2023 2022 (In millions) Closed Block Liabilities Future policy benefits $ 36,142 $ 37,222 Other policy-related balances 319 273 Policyholder dividends payable 174 181 Other liabilities 668 455 Total closed block liabilities 37,303 38,131 Assets Designated to the Closed Block Investments: Fixed maturity securities available-for-sale, at estimated fair value 19,939 19,648 Equity securities, at estimated fair value 10 13 Mortgage loans 6,151 6,564 Policy loans 3,960 4,084 Real estate and real estate joint ventures 668 635 Other invested assets 496 692 Total investments 31,224 31,636 Cash and cash equivalents 717 437 Accrued investment income 383 375 Premiums, reinsurance and other receivables 54 52 Current income tax recoverable 3 88 Deferred income tax asset 312 423 Total assets designated to the closed block 32,693 33,011 Excess of closed block liabilities over assets designated to the closed block 4,610 5,120 AOCI: Unrealized investment gains (losses), net of income tax (820) (1,357) Unrealized gains (losses) on derivatives, net of income tax 130 262 Total amounts included in AOCI (690) (1,095) Maximum future earnings to be recognized from closed block assets and liabilities $ 3,920 $ 4,025
Closed block policyholder dividend obligation	Information regarding the closed block policyholder dividend obligation was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ — $ 1,682 $ 2,969 Change in unrealized investment and derivative gains (losses) — (1,682) (1,287) Balance at December 31, $ — $ — $ 1,682
Closed block revenues and expenses	Information regarding the closed block revenues and expenses was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Revenues Premiums $ 922 $ 1,104 $ 1,298 Net investment income 1,362 1,382 1,541 Net investment gains (losses) 7 (51) (36) Net derivative gains (losses) — 33 18 Total revenues 2,291 2,468 2,821 Expenses Policyholder benefits and claims 1,706 1,890 2,150 Policyholder dividends 366 458 626 Other expenses 86 90 96 Total expenses 2,158 2,438 2,872 Revenues, net of expenses before provision for income tax expense (benefit) 133 30 (51) Provision for income tax expense (benefit) 28 6 (11) Revenues, net of expenses and provision for income tax expense (benefit) $ 105 $ 24 $ (40)

Investments (Tables)

Investments (Tables)	12 Months Ended
	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Fixed Maturity Securities AFS by Sector	The following table presents fixed maturity securities AFS by sector. U.S. corporate and foreign corporate sectors include redeemable preferred stock. RMBS includes agency, prime, prime investor, non-qualified residential mortgage, alternative, reperforming and sub-prime mortgage-backed securities. ABS & CLO includes securities collateralized by consumer loans, corporate loans and broadly syndicated bank loans. Municipals includes taxable and tax-exempt revenue bonds and, to a much lesser extent, general obligations of states, municipalities and political subdivisions. Commercial mortgage-backed securities (“CMBS”) primarily includes securities collateralized by multiple commercial mortgage loans. RMBS, ABS & CLO and CMBS are, collectively, “Structured Products.” December 31, 2023 2022 Amortized Gross Unrealized Estimated Amortized Gross Unrealized Estimated Sector Allowance Gains Losses Allowance Gains Losses (In millions) U.S. corporate $ 85,563 $ (68) $ 1,894 $ 6,672 $ 80,717 $ 88,466 $ (29) $ 1,133 $ 9,540 $ 80,030 Foreign corporate 59,123 (2) 1,750 5,427 55,444 59,696 (5) 1,213 8,332 52,572 Foreign government 48,260 (88) 1,754 4,437 45,489 50,047 (130) 1,876 5,046 46,747 U.S. government and agency 35,374 — 590 3,712 32,252 35,658 — 431 3,860 32,229 RMBS 31,479 (1) 353 2,735 29,096 29,496 — 187 3,518 26,165 ABS & CLO 17,910 (7) 54 663 17,294 17,991 — 23 1,192 16,822 Municipals 11,991 — 408 1,228 11,171 13,548 — 317 1,713 12,152 CMBS 10,855 (18) 73 961 9,949 11,123 (19) 59 1,100 10,063 Total fixed maturity securities AFS $ 300,555 $ (184) $ 6,876 $ 25,835 $ 281,412 $ 306,025 $ (183) $ 5,239 $ 34,301 $ 276,780
Available-for-sale fixed maturity securities by contractual maturity date	The amortized cost, net of ACL, and estimated fair value of fixed maturity securities AFS, by contractual maturity date, were as follows at December 31, 2023: Due in One Due After Due After Due After Structured Total Fixed (In millions) Amortized cost, net of ACL $ 9,644 $ 48,922 $ 51,837 $ 129,750 $ 60,218 $ 300,371 Estimated fair value $ 9,677 $ 48,325 $ 50,598 $ 116,473 $ 56,339 $ 281,412
Continuous Gross Unrealized Losses for Fixed Maturity Securities Available-for-Sale	The following table presents the estimated fair value and gross unrealized losses of fixed maturity securities AFS in an unrealized loss position without an ACL by sector and aggregated by length of time that the securities have been in a continuous unrealized loss position. December 31, 2023 2022 Less than 12 Months Equal to or Greater than 12 Months Less than 12 Months Equal to or Greater than 12 Months Sector & Credit Quality Estimated Gross Estimated Gross Estimated Gross Estimated Gross (Dollars in millions) U.S. corporate $ 4,722 $ 420 $ 45,373 $ 6,208 $ 55,210 $ 7,573 $ 6,484 $ 1,965 Foreign corporate 3,210 187 32,355 5,240 31,932 5,999 8,956 2,332 Foreign government 3,913 246 19,715 4,187 16,568 2,170 8,308 2,874 U.S. government and agency 7,856 368 13,960 3,344 20,436 2,784 4,177 1,076 RMBS 3,465 60 17,128 2,675 16,223 1,890 6,650 1,628 ABS & CLO 1,662 31 11,438 629 10,924 712 4,326 480 Municipals 483 34 5,449 1,194 7,277 1,514 482 199 CMBS 1,034 36 6,671 917 6,890 764 2,037 335 Total fixed maturity securities AFS $ 26,345 $ 1,382 $ 152,089 $ 24,394 $ 165,460 $ 23,406 $ 41,420 $ 10,889 Investment grade $ 24,834 $ 1,287 $ 146,138 $ 23,675 $ 157,654 $ 22,713 $ 38,785 $ 10,298 Below investment grade 1,511 95 5,951 719 7,806 693 2,635 591 Total fixed maturity securities AFS $ 26,345 $ 1,382 $ 152,089 $ 24,394 $ 165,460 $ 23,406 $ 41,420 $ 10,889 Total number of securities in an unrealized loss position 2,922 13,049 15,204 4,303
Debt Securities, Available-for-sale, Allowance for Credit Loss	The rollforward of ACL for fixed maturity securities AFS by sector is as follows: U.S. Foreign Foreign RMBS ABS & CLO CMBS Total Year Ended December 31, 2023 (In millions) Balance at January 1, $ 29 $ 5 $ 130 $ — $ — $ 19 $ 183 ACL not previously recorded 36 — — 2 7 2 47 Changes for securities with previously recorded ACL 7 — (23) (1) — 8 (9) Securities sold or exchanged (4) (3) (19) — — (11) (37) Balance at December 31, $ 68 $ 2 $ 88 $ 1 $ 7 $ 18 $ 184 U.S. Foreign Foreign RMBS ABS & CLO CMBS Total Year Ended December 31, 2022 (In millions) Balance at January 1, $ 30 $ 28 $ 19 $ — $ — $ 14 $ 91 ACL not previously recorded 13 67 207 — — 5 292 Changes for securities with previously recorded ACL 17 2 (48) — — — (29) Securities sold or exchanged (9) (93) (37) — — — (139) Effect of foreign currency translation — 1 (11) — — — (10) Write-offs (22) — — — — — (22) Balance at December 31, $ 29 $ 5 $ 130 $ — $ — $ 19 $ 183
Debt Securities, Trading, and Equity Securities, FV-NI	The following table presents equity securities by security type. Common stock includes common stock, exchange traded funds, certain mutual funds and certain real estate investment trusts. December 31, 2023 2022 Cost Net Unrealized Estimated Cost Net Unrealized Estimated Security Type (In millions) Common stock $ 424 $ 239 $ 663 $ 1,347 $ 195 $ 1,542 Non-redeemable preferred stock 90 4 94 148 (6) 142 Total $ 514 $ 243 $ 757 $ 1,495 $ 189 $ 1,684 __________________ (1) Represents cumulative changes in estimated fair value, recognized in earnings, and not in OCI. The following table presents these investments by asset type. Unit-linked investments are primarily equity securities (including mutual funds). FVO securities includes fixed maturity and equity securities to support asset and liability management strategies for certain insurance products and investments in certain separate accounts. December 31, 2023 2022 Cost or Net Unrealized Estimated Cost or Net Unrealized Estimated Asset Type (In millions) Unit-linked investments $ 7,770 $ 1,112 $ 8,882 $ 7,945 $ 288 $ 8,233 FVO securities 972 477 1,449 1,161 274 1,435 Total $ 8,742 $ 1,589 $ 10,331 $ 9,106 $ 562 $ 9,668 __________________ (1) Represents cumulative changes in estimated fair value, recognized in earnings, and not in OCI.
Disclosure of Mortgage Loans Net of Valuation Allowance	Mortgage loans are summarized as follows at: December 31, 2023 2022 Portfolio Segment Carrying Value (1) % of Carrying % of (Dollars in millions) Commercial $ 60,326 65.2 % $ 52,502 62.7 % Agricultural 19,805 21.4 19,306 23.0 Residential 13,096 14.2 12,482 14.9 Total amortized cost 93,227 100.8 84,290 100.6 Allowance for credit loss (721) (0.8) (527) (0.6) Total mortgage loans $ 92,506 100.0 % $ 83,763 100.0 % __________________ (1) Includes certain mortgage loans originated for third parties of $8.5 billion at amortized cost ($8.2 billion commercial and $246 million agricultural) and the related ACL of $73 million, with the corresponding mortgage loan secured financing liability of $8.5 billion included in other liabilities on the consolidated balance sheet. The investment income on these mortgage loans originated for third parties and the interest expense on the mortgage loan secured financing liability was $408 million for the year ended December 31, 2023, and recorded in investment income and investment expenses, within net investment income. See Note 1.
Allowance for Loan and Lease Losses, Provision for Loss, Net	The rollforward of ACL for mortgage loans, by portfolio segment, is as follows: Years Ended December 31, 2023 2022 2021 Commercial Agricultural Residential Total Commercial Agricultural Residential Total Commercial Agricultural Residential Total (In millions) Balance at January 1, $ 218 $ 119 $ 190 $ 527 $ 340 $ 88 $ 206 $ 634 $ 252 $ 106 $ 232 $ 590 Provision (release) 168 89 (8) 249 (2) 53 (8) 43 88 6 (27) 67 Initial credit losses on PCD loans (1) — — — — — — — — — — 3 3 Charge-offs, net of recoveries (19) (36) — (55) (120) (22) (8) (150) — (24) (2) (26) Balance at December 31, $ 367 $ 172 $ 182 $ 721 $ 218 $ 119 $ 190 $ 527 $ 340 $ 88 $ 206 $ 634 __________________ (1) Represents the initial credit losses on purchased mortgage loans accounted for as PCD.
Financing Receivable, Modified	The Company may modify mortgage loans to borrowers. Each mortgage loan modification is evaluated to determine whether the borrower was experiencing financial difficulties. Disclosed below are those modifications, in materially impacted segments, where the borrower was determined to be experiencing financial difficulties and the mortgage loans were modified by any of the following means, principal forgiveness, interest rate reduction, other-than-insignificant payment delay or term extension. The amount, timing and extent of modifications granted are considered in determining any ACL recorded. Mortgage loans are summarized as follows at: December 31, 2023 Maturity Extension Weighted Average Life Increase % of Total BV Amortized Cost Affected Loans (in Years) (Dollars in millions) Commercial $ 522 Less than one year 1.0 %
Disclosure of the mortgage loans portfolio segment by the recorded investment, prior to valuation allowances, by credit quality indicator categories	The amortized cost of commercial mortgage loans by credit quality indicator and vintage year was as follows at December 31, 2023: Credit Quality Indicator 2023 2022 2021 2020 2019 Prior Revolving Total % of (Dollars in millions) LTV ratios: Less than 65% $ 2,592 $ 2,724 $ 3,392 $ 1,787 $ 4,220 $ 13,082 $ 2,698 $ 30,495 50.6 % 65% to 75% 372 4,465 2,737 1,651 1,636 6,114 — 16,975 28.1 76% to 80% 58 846 335 377 1,367 1,692 — 4,675 7.7 Greater than 80% 46 794 977 899 1,392 4,073 — 8,181 13.6 Total $ 3,068 $ 8,829 $ 7,441 $ 4,714 $ 8,615 $ 24,961 $ 2,698 $ 60,326 100.0 % DSCR: > 1.20x $ 2,088 $ 7,387 $ 6,880 $ 4,372 $ 7,243 $ 21,644 $ 2,698 $ 52,312 86.7 % 1.00x - 1.20x 666 590 543 — 849 1,986 — 4,634 7.7 <1.00x 314 852 18 342 523 1,331 — 3,380 5.6 Total $ 3,068 $ 8,829 $ 7,441 $ 4,714 $ 8,615 $ 24,961 $ 2,698 $ 60,326 100.0 % The amortized cost of agricultural mortgage loans by credit quality indicator and vintage year was as follows at December 31, 2023: Credit Quality Indicator 2023 2022 2021 2020 2019 Prior Revolving Total % of (Dollars in millions) LTV ratios: Less than 65% $ 1,123 $ 2,796 $ 2,650 $ 2,725 $ 1,728 $ 5,953 $ 1,394 $ 18,369 92.8 % 65% to 75% 30 96 301 160 24 542 121 1,274 6.4 76% to 80% — — — — — — — — — Greater than 80% 4 — — 5 133 14 6 162 0.8 Total $ 1,157 $ 2,892 $ 2,951 $ 2,890 $ 1,885 $ 6,509 $ 1,521 $ 19,805 100.0 % The amortized cost of residential mortgage loans by credit quality indicator and vintage year was as follows at December 31, 2023: Credit Quality Indicator 2023 2022 2021 2020 2019 Prior Revolving Total % of (Dollars in millions) Performance indicators: Performing $ 767 $ 2,508 $ 1,501 $ 336 $ 927 $ 6,639 $ — $ 12,678 96.8 % Nonperforming (1) 5 46 22 16 44 285 — 418 3.2 Total $ 772 $ 2,554 $ 1,523 $ 352 $ 971 $ 6,924 $ — $ 13,096 100.0 % __________________ (1) Includes residential mortgage loans in process of foreclosure of $140 million and $146 million at December 31, 2023 and 2022, respectively.
Schedule of Past Due and Non-Accrual Mortgage Loans	The past due and nonaccrual mortgage loans at amortized cost, prior to ACL by portfolio segment, were as follows: Past Due Past Due Nonaccrual Portfolio Segment December 31, 2023 December 31, 2022 December 31, 2023 December 31, 2022 December 31, 2023 December 31, 2022 (In millions) Commercial $ 75 $ 6 $ 3 $ 6 $ 427 $ 169 Agricultural 40 124 — 21 206 131 Residential 418 473 16 12 402 462 Total $ 533 $ 603 $ 19 $ 39 $ 1,035 $ 762
Disclosure of Real Estate and Real Estate Joint Ventures	Real estate investments, by income type, as well as income earned, were as follows at and for the periods indicated: December 31, Years Ended December 31, 2023 2022 2023 2022 2021 Income Type Carrying Value Income (In millions) Wholly-owned real estate: Leased real estate $ 4,446 $ 4,523 $ 366 $ 392 $ 429 Other real estate 507 487 297 252 199 Real estate joint ventures 8,379 8,127 (225) 556 326 Total real estate and real estate joint ventures $ 13,332 $ 13,137 $ 438 $ 1,200 $ 954
Schedule of Operating Leases by Property Type	Leased real estate investments and income earned, by property type, were as follows at and for the periods indicated: December 31, Years Ended December 31, 2023 2022 2023 2022 2021 Property Type Carrying Value Income (In millions) Leased real estate investments: Office $ 2,221 $ 2,206 $ 228 $ 183 $ 196 Retail 753 804 47 60 75 Apartment 641 625 47 56 66 Land 564 562 24 26 28 Industrial 200 254 15 62 58 Hotel 67 72 5 5 6 Total leased real estate investments $ 4,446 $ 4,523 $ 366 $ 392 $ 429
Fair Value, Concentration of Risk	Investments in any counterparty that were greater than 10% of the Company’s equity, other than the U.S. government and its agencies, at estimated fair value, were in fixed income securities of the following foreign governments and their agencies: December 31, 2023 2022 (In millions) Japan $ 22,606 $ 24,295 South Korea $ 6,411 $ 5,887 Mexico $ 3,778 $ 3,463
Securities Lending and Repurchase Agreements	A summary of these transactions and agreements accounted for as secured borrowings were as follows: December 31, 2023 2022 Securities (1) Securities (1) Agreement Type Estimated Cash Reinvestment Estimated Cash Reinvestment (In millions) Securities lending $ 10,510 $ 10,788 $ 10,553 $ 11,756 $ 12,092 $ 11,833 Repurchase agreements $ 3,029 $ 2,975 $ 2,913 $ 3,176 $ 3,125 $ 3,057 __________________ (1) These securities were included within fixed maturity securities AFS, short-term investments and cash equivalents at December 31, 2023 and within fixed maturity securities AFS and short-term investments at December 31, 2022. (2) The liability for cash collateral is included within payables for collateral under securities loaned and other transactions. Contractual maturities of these transactions and agreements accounted for as secured borrowings were as follows: December 31, 2023 2022 Remaining Maturities Remaining Maturities Security Type Open (1) 1 Month Over 1 Month to 6 Months Over 6 Months to 1 Year Total Open (1) 1 Month Over 1 Month to 6 Months Over 6 Months to 1 Year Total (In millions) Cash collateral liability by security type: Securities lending: U.S. government and agency $ 1,393 $ 4,106 $ 3,919 $ — $ 9,418 $ 1,945 $ 5,448 $ 3,101 $ — $ 10,494 Foreign government — 483 624 — 1,107 — 422 922 — 1,344 Agency RMBS — 88 175 — 263 — 63 191 — 254 Total $ 1,393 $ 4,677 $ 4,718 $ — $ 10,788 $ 1,945 $ 5,933 $ 4,214 $ — $ 12,092 Repurchase agreements: U.S. government and agency $ — $ 2,975 $ — $ — $ 2,975 $ — $ 3,125 $ — $ — $ 3,125 __________________ (1) The related security could be returned to the Company on the next business day, which would require the Company to immediately return the cash collateral.
Invested Assets on Deposit, Held in Trust and Pledged as Collateral	Invested assets on deposit, held in trust and pledged as collateral are presented below at estimated fair value for all asset classes, except mortgage loans, which are presented at carrying value and were as follows at: December 31, 2023 2022 (In millions) Invested assets on deposit (regulatory deposits) $ 1,596 $ 1,514 Invested assets held in trust (external reinsurance agreements) (1) 941 881 Invested assets pledged as collateral (2) 26,017 25,442 Total invested assets on deposit, held in trust and pledged as collateral $ 28,554 $ 27,837 __________________ (1) Represents assets held in trust related to third-party reinsurance agreements. Excludes assets held in trust related to reinsurance agreements between wholly-owned subsidiaries of $2.0 billion and $1.9 billion at December 31, 2023 and 2022, respectively. (2) The Company has pledged invested assets in connection with various agreements and transactions, including funding agreements (see Note 5), derivative transactions (see Note 12), secured debt and short-term debt related to repurchase agreements (see Note 16), and a collateral financing arrangement (see Note 17).
Schedule of Variable Interest Entities	The following table presents the total assets and total liabilities relating to investment related VIEs for which the Company has concluded that it is the primary beneficiary and which are consolidated at: December 31, 2023 2022 Asset Type Total Total Total Total (In millions) Investment funds (primarily other invested assets) $ 282 $ 1 $ 266 $ 1 Renewable energy partnership (primarily other invested assets) 64 — 76 — Total $ 346 $ 1 $ 342 $ 1 Unconsolidated VIEs The carrying amount and maximum exposure to loss relating to VIEs in which the Company holds a significant variable interest but is not the primary beneficiary and which have not been consolidated were as follows at: December 31, 2023 2022 Asset Type Carrying Maximum Carrying Maximum (In millions) Fixed maturity securities AFS (2) $ 54,182 $ 54,182 $ 51,422 $ 51,422 Other limited partnership interests 14,034 19,591 13,244 18,906 Other invested assets 1,206 1,275 1,310 1,387 Other investments (Real estate joint ventures and FVO securities) 1,039 1,055 945 948 Total $ 70,461 $ 76,103 $ 66,921 $ 72,663 __________________ (1) The maximum exposure to loss relating to fixed maturity securities AFS and FVO securities is equal to their carrying amounts or the carrying amounts of retained interests. The maximum exposure to loss relating to other limited partnership interests (“OLPI”) and real estate joint ventures (“REJV”) is equal to the carrying amounts plus any unfunded commitments. For certain of its investments in other invested assets, the Company’s return is in the form of income tax credits which are guaranteed by creditworthy third parties. For such investments, the maximum exposure to loss is equal to the carrying amounts plus any unfunded commitments, reduced by income tax credits guaranteed by third parties. Such a maximum loss would be expected to occur only upon bankruptcy of the issuer or investee. (2) For variable interests in Structured Products included within fixed maturity securities AFS, the Company’s involvement is limited to that of a passive investor in mortgage-backed or asset-backed securities issued by trusts that do not have substantial equity.
Components of Net Investment Income	The composition of net investment income by asset type was as follows: Years Ended December 31, Asset Type 2023 2022 2021 (In millions) Fixed maturity securities AFS $ 12,990 $ 11,490 $ 10,996 Equity securities 32 36 36 FVO securities 188 (127) 167 Mortgage loans 4,761 3,539 3,435 Policy loans 471 460 474 Real estate and REJV 438 1,200 954 OLPI 454 858 4,927 Cash, cash equivalents and short-term investments 1,011 358 103 Operating joint ventures 38 51 77 Other 604 633 223 Subtotal investment income 20,987 18,498 21,392 Less: Investment expenses 2,262 1,284 949 Subtotal, net 18,725 17,214 20,443 Unit-linked investments 1,183 (1,298) 952 Net investment income $ 19,908 $ 15,916 $ 21,395 Net Investment Income (“NII”) Information Net realized and unrealized gains (losses) recognized in NII: Net realized gains (losses) from sales and disposals (primarily FVO securities and Unit-linked investments) $ 207 $ 155 $ 518 Net unrealized gains (losses) from changes in estimated fair value (primarily FVO securities and Unit-linked investments) 1,168 (1,586) 616 Net realized and unrealized gains (losses) recognized in NII $ 1,375 $ (1,431) $ 1,134 Changes in estimated fair value subsequent to purchase of FVO securities and Unit-linked investments still held at the end of the respective periods and recognized in NII $ 1,119 $ (1,286) $ 730 Equity method investments NII (primarily REJV, OLPI, tax credit and renewable energy partnerships and operating joint ventures) $ 151 $ 1,305 $ 5,136
Components of Net Investment Gains (Losses)	The composition of net investment gains (losses) by asset type and transaction type was as follows: Years Ended December 31, Asset Type 2023 2022 2021 (In millions) Fixed maturity securities AFS (1) $ (2,471) $ (1,912) $ 66 Equity securities 81 (133) 108 Mortgage loans (1) (270) 21 (18) Real estate and REJV (excluding changes in estimated fair value) 69 653 502 OLPI (excluding changes in estimated fair value) 12 53 (6) Other gains (losses) (2) (158) 178 131 Subtotal (2,737) (1,140) 783 Change in estimated fair value of OLPI and REJV (6) (14) 45 Non-investment portfolio gains (losses) (81) (106) 715 Subtotal (87) (120) 760 Net investment gains (losses) $ (2,824) $ (1,260) $ 1,543 Transaction Type Realized gains (losses) on investments sold or disposed (1) $ (1,028) $ (880) $ 711 Impairment (losses) (1), (2) (1,498) (40) (24) Recognized gains (losses): Change in allowance for credit loss recognized in earnings (271) (134) (86) Unrealized net gains (losses) recognized in earnings 54 (100) 227 Total recognized gains (losses) (217) (234) 141 Non-investment portfolio gains (losses) (81) (106) 715 Net investment gains (losses) $ (2,824) $ (1,260) $ 1,543 Net Investment Gains (Losses) (“NIGL”) Information Changes in estimated fair value subsequent to purchase of equity securities still held at the end of the respective periods and recognized in NIGL $ 22 $ (89) $ 77 Other gains (losses) include: Gains (losses) on disposed investments which were previously in a qualified cash flow hedge relationship $ (7) $ 38 $ 88 Gains (losses) on leveraged leases and renewable energy partnerships $ 24 $ 33 $ 12 Foreign currency gains (losses) $ 52 $ 183 $ (9) Net Realized Investment Gains (Losses) From Sales and Disposals of Investments Recognized in NIGL $ (1,028) $ (880) $ 711 Recognized in NII 207 155 518 Net realized investment gains (losses) from sales and disposals of investments $ (821) $ (725) $ 1,229 __________________ (1) Includes a net loss of $1.2 billion during the year ended December 31, 2023 for investments disposed of in connection with a reinsurance transaction.The net loss was comprised of ($1.3) billion of impairments and $95 million of realized gains on disposal for fixed maturity securities AFS, ($56) million of adjustments to mortgage loans, reflected as impairments, (calculated at lower of amortized cost or estimated fair value), and ($2) million of realized losses on disposal for mortgage loans. See Note 9 for further information on this reinsurance transaction. (2) See Note 3 for information regarding the Company’s pending disposition of MetLife Malaysia.
Schedule of Realized Gain (Loss)	The composition of net investment gains (losses) for these securities is as follows : Years Ended December 31, Fixed Maturity Securities AFS 2023 2022 2021 (In millions) Proceeds $ 40,625 $ 67,754 $ 54,612 Gross investment gains $ 563 $ 935 $ 761 Gross investment (losses) (1,732) (2,704) (656) Realized gains (losses) on sales and disposals (1,169) (1,769) 105 Net credit loss (provision) release (change in ACL recognized in earnings) (2) (103) (15) Impairment (losses) (1,300) (40) (24) Net credit loss (provision) release and impairment (losses) (1,302) (143) (39) Net investment gains (losses) $ (2,471) $ (1,912) $ 66 Equity Securities Realized gains (losses) on sales and disposals $ 21 $ (47) $ (69) Unrealized net gains (losses) recognized in earnings 60 (86) 177 Net investment gains (losses) $ 81 $ (133) $ 108

Derivatives (Tables)

Derivatives (Tables)	12 Months Ended
	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location	The following table presents the primary underlying risk exposure, gross notional amount and estimated fair value of the Company’s derivatives, excluding embedded derivatives, held at: Primary Underlying Risk Exposure December 31, 2023 2022 Estimated Fair Value Estimated Fair Value Gross Assets Liabilities Gross Assets Liabilities (In millions) Derivatives Designated as Hedging Instruments: Fair value hedges: Interest rate swaps Interest rate $ 4,550 $ 1,257 $ 535 $ 4,143 $ 1,353 $ 467 Foreign currency swaps Foreign currency exchange rate 1,475 55 — 602 82 — Foreign currency forwards Foreign currency exchange rate 450 — 65 1,336 10 89 Subtotal 6,475 1,312 600 6,081 1,445 556 Cash flow hedges: Interest rate swaps Interest rate 4,156 1 265 4,107 8 262 Interest rate forwards Interest rate 6,115 51 938 7,447 1 1,354 Foreign currency swaps Foreign currency exchange rate 43,906 2,457 1,509 42,608 3,554 1,699 Subtotal 54,177 2,509 2,712 54,162 3,563 3,315 NIFO hedges: Foreign currency forwards Foreign currency exchange rate 503 — 8 680 — 38 Currency options Foreign currency exchange rate 3,000 394 — 3,000 236 — Subtotal 3,503 394 8 3,680 236 38 Total qualifying hedges 64,155 4,215 3,320 63,923 5,244 3,909 Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate swaps Interest rate 29,801 1,497 1,102 31,661 1,660 1,354 Interest rate floors Interest rate 15,321 41 — 25,270 125 — Interest rate caps Interest rate 30,016 373 — 48,290 950 — Interest rate futures Interest rate 1,243 1 5 1,453 2 1 Interest rate options Interest rate 43,926 385 103 44,391 473 88 Interest rate forwards Interest rate 2,383 69 36 381 — 32 Synthetic GICs Interest rate 49,066 — — 46,316 — — Foreign currency swaps Foreign currency exchange rate 11,891 1,200 356 12,815 1,454 383 Foreign currency forwards Foreign currency exchange rate 14,128 310 806 16,195 544 661 Currency futures Foreign currency exchange rate 314 2 — 333 8 — Currency options Foreign currency exchange rate 50 — — — — — Credit default swaps — purchased Credit 2,877 3 79 2,925 18 79 Credit default swaps — written Credit 12,468 233 5 11,512 133 28 Equity futures Equity market 2,163 8 11 2,988 8 4 Equity index options Equity market 19,421 399 255 16,701 765 323 Equity variance swaps Equity market 99 — 2 163 4 1 Equity total return swaps Equity market 1,912 1 218 2,799 23 112 Total non-designated or nonqualifying derivatives 237,079 4,522 2,978 264,193 6,167 3,066 Total $ 301,234 $ 8,737 $ 6,298 $ 328,116 $ 11,411 $ 6,975 Included in the table above, the Company uses various OTC and exchange traded derivatives to hedge variable annuity guarantees. The table below presents the gross notional amount, estimated fair value and primary underlying risk exposure of the derivatives hedging variable annuity guarantees accounted for as MRBs: December 31, 2023 December 31, 2022 Primary Underlying Risk Exposure Gross Estimated Fair Value Gross Estimated Fair Value Assets Liabilities Assets Liabilities (In millions) Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate $ 9,096 $ 13 $ 663 $ 9,098 $ 41 $ 764 Foreign currency exchange rate 716 22 2 887 26 2 Equity market 5,189 77 373 8,829 233 381 $ 15,001 $ 112 $ 1,038 $ 18,814 $ 300 $ 1,147 The change in estimated fair values and earned income of derivatives hedging variable annuity guarantees, recorded in net derivative gains (losses), was ($596) million and ($640) million for the years ended December 31, 2023 and 2022, respectively.
Components of Net Derivatives Gains (Losses)	The following table presents the consolidated financial statement location and amount of gain (loss) recognized on fair value, cash flow, NIFO, nonqualifying hedging relationships and embedded derivatives: Year Ended December 31, 2023 Net Net Net Policyholder Interest Other OCI (In millions) Gain (Loss) on Fair Value Hedges: Interest rate derivatives: Derivatives designated as hedging instruments (1) $ (3) $ — N/A $ — $ 29 $ — N/A Hedged items 3 — N/A (26) (31) — N/A Foreign currency exchange rate derivatives: Derivatives designated as hedging instruments (1) (39) (41) N/A — 20 — N/A Hedged items 38 33 N/A — (24) — N/A Amount excluded from the assessment of hedge effectiveness — (20) N/A — — — N/A Subtotal (1) (28) N/A (26) (6) — N/A Gain (Loss) on Cash Flow Hedges: Interest rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A $ 109 Amount of gains (losses) reclassified from AOCI into income 50 90 — — — — (140) Foreign currency exchange rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A (1,215) Amount of gains (losses) reclassified from AOCI into income 4 558 — — — 2 (564) Foreign currency transaction gains (losses) on hedged items — (547) — — — — — Credit derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A — Amount of gains (losses) reclassified from AOCI into income — 1 — — — — (1) Subtotal 54 102 — — — 2 (1,811) Gain (Loss) on NIFO Hedges: Foreign currency exchange rate derivatives (1) N/A 5 N/A N/A N/A N/A 226 Non-derivative hedging instruments N/A N/A N/A N/A N/A N/A 20 Subtotal N/A 5 N/A N/A N/A N/A 246 Gain (Loss) on Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate derivatives (1) — N/A (979) N/A N/A N/A N/A Foreign currency exchange rate derivatives (1) — N/A (1,443) N/A N/A N/A N/A Credit derivatives — purchased (1) — N/A (17) N/A N/A N/A N/A Credit derivatives — written (1) — N/A 135 N/A N/A N/A N/A Equity derivatives (1) (52) N/A (1,296) N/A N/A N/A N/A Foreign currency transaction gains (losses) on hedged items — N/A 366 N/A N/A N/A N/A Subtotal (52) N/A (3,234) N/A N/A N/A N/A Earned income on derivatives 178 — 1,055 4 (149) — — Synthetic GICs N/A N/A 75 N/A N/A N/A N/A Embedded derivatives N/A N/A (36) N/A N/A N/A N/A Total $ 179 $ 79 $ (2,140) $ (22) $ (155) $ 2 $ (1,565) Year Ended December 31, 2022 Net Net Net Policyholder Interest Other OCI (In millions) Gain (Loss) on Fair Value Hedges: Interest rate derivatives: Derivatives designated as hedging instruments (1) $ 9 $ — N/A $ (959) $ (254) $ — N/A Hedged items (9) — N/A 905 249 — N/A Foreign currency exchange rate derivatives: Derivatives designated as hedging instruments (1) 109 (220) N/A — — — N/A Hedged items (110) 217 N/A — — — N/A Amount excluded from the assessment of hedge effectiveness — 46 N/A — — — N/A Subtotal (1) 43 N/A (54) (5) — N/A Gain (Loss) on Cash Flow Hedges: Interest rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A $ (2,367) Amount of gains (losses) reclassified from AOCI into income 59 41 — — — 4 (104) Foreign currency exchange rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A 1,784 Amount of gains (losses) reclassified from AOCI into income 6 (609) — — — 1 602 Foreign currency transaction gains (losses) on hedged items — 587 — — — — — Credit derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A — Amount of gains (losses) reclassified from AOCI into income — — — — — — — Subtotal 65 19 — — — 5 (85) Gain (Loss) on NIFO Hedges: Foreign currency exchange rate derivatives (1) N/A N/A N/A N/A N/A N/A 85 Non-derivative hedging instruments N/A N/A N/A N/A N/A N/A 47 Subtotal N/A N/A N/A N/A N/A N/A 132 Gain (Loss) on Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate derivatives (1) 3 N/A (3,967) N/A N/A N/A N/A Foreign currency exchange rate derivatives (1) 2 N/A (372) N/A N/A N/A N/A Credit derivatives — purchased (1) — N/A 75 N/A N/A N/A N/A Credit derivatives — written (1) — N/A (92) N/A N/A N/A N/A Equity derivatives (1) 45 N/A 673 N/A N/A N/A N/A Foreign currency transaction gains (losses) on hedged items — N/A 282 N/A N/A N/A N/A Subtotal 50 N/A (3,401) N/A N/A N/A N/A Earned income on derivatives 376 — 1,029 112 (120) — — Synthetic GICs N/A N/A — N/A N/A N/A N/A Embedded derivatives N/A N/A 121 N/A N/A N/A N/A Total $ 490 $ 62 $ (2,251) $ 58 $ (125) $ 5 $ 47 Year Ended December 31, 2021 Net Net Net Policyholder Interest Other OCI (In millions) Gain (Loss) on Fair Value Hedges: Interest rate derivatives: Derivatives designated as hedging instruments (1) $ 6 $ — N/A $ (373) $ (83) $ — N/A Hedged items (6) — N/A 328 78 — N/A Foreign currency exchange rate derivatives: Derivatives designated as hedging instruments (1) 50 (191) N/A — — — N/A Hedged items (44) 185 N/A — — — N/A Amount excluded from the assessment of hedge effectiveness — — N/A — — — N/A Subtotal 6 (6) N/A (45) (5) — N/A Gain (Loss) on Cash Flow Hedges: Interest rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A $ (599) Amount of gains (losses) reclassified from AOCI into income 56 84 — — — 3 (143) Foreign currency exchange rate derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A 500 Amount of gains (losses) reclassified from AOCI into income 8 (403) — — — 2 393 Foreign currency transaction gains (losses) on hedged items — 401 — — — — — Credit derivatives: (1) Amount of gains (losses) deferred in AOCI N/A N/A N/A N/A N/A N/A (14) Amount of gains (losses) reclassified from AOCI into income — — — — — — — Subtotal 64 82 — — — 5 137 Gain (Loss) on NIFO Hedges: Foreign currency exchange rate derivatives (1) N/A N/A N/A N/A N/A N/A 97 Non-derivative hedging instruments N/A N/A N/A N/A N/A N/A 42 Subtotal N/A N/A N/A N/A N/A N/A 139 Gain (Loss) on Derivatives Not Designated or Not Qualifying as Hedging Instruments: Interest rate derivatives (1) 2 N/A (2,041) N/A N/A N/A N/A Foreign currency exchange rate derivatives (1) — N/A (983) N/A N/A N/A N/A Credit derivatives — purchased (1) — N/A 9 N/A N/A N/A N/A Credit derivatives — written (1) — N/A 41 N/A N/A N/A N/A Equity derivatives (1) (56) N/A (1,580) N/A N/A N/A N/A Foreign currency transaction gains (losses) on hedged items — N/A 249 N/A N/A N/A N/A Subtotal (54) N/A (4,305) N/A N/A N/A N/A Earned income on derivatives 151 — 993 166 (121) — — Synthetic GICs N/A N/A — N/A N/A N/A N/A Embedded derivatives N/A N/A 55 — N/A N/A N/A Total $ 167 $ 76 $ (3,257) $ 121 $ (126) $ 5 $ 276 __________________ (1) Excludes earned income on derivatives.
Net derivatives gains (losses) recognized on fair value derivatives and the related hedged items	The following table presents the balance sheet classification, carrying amount and cumulative fair value hedging adjustments for items designated and qualifying as hedged items in fair value hedges: Balance Sheet Line Item Carrying Amount Cumulative Amount December 31, 2023 December 31, 2022 December 31, 2023 December 31, 2022 (In millions) Fixed maturity securities AFS $ 454 $ 1,411 $ 3 $ 1 Mortgage loans $ 359 $ 331 $ (11) $ (19) Future policy benefits $ (2,863) $ (2,816) $ 191 $ 199 Policyholder account balances $ (1,911) $ (1,789) $ 25 $ 104 __________________ (1) Includes ($111) million and ($136) million of hedging adjustments on discontinued hedging relationships at December 31, 2023 and 2022, respectively. For the Company’s foreign currency forwards, the change in the estimated fair value of the derivative related to the changes in the difference between the spot price and the forward price is excluded from the assessment of hedge effectiveness. The Company has elected to record changes in estimated fair value of excluded components in earnings. For all other derivatives, all components of each derivative’s gain or loss were included in the assessment of hedge effectiveness.
Schedule of estimated fair value, maximum amount of future payments and weighted average years to maturity of written credit default swaps	The following table presents the estimated fair value, maximum amount of future payments and weighted average years to maturity of written credit default swaps at: December 31, 2023 2022 Rating Agency Designation of Referenced Estimated Maximum Weighted Estimated Maximum Weighted (Dollars in millions) Aaa/Aa/A Single name credit default swaps (3) $ 2 $ 150 1.6 $ 3 $ 158 2.2 Credit default swaps referencing indices 80 3,830 2.7 79 4,251 3.4 Subtotal 82 3,980 2.6 82 4,409 3.4 Baa Single name credit default swaps (3) 1 99 2.1 1 81 2.5 Credit default swaps referencing indices 145 8,188 5.4 28 6,775 5.6 Subtotal 146 8,287 5.3 29 6,856 5.5 Ba Single name credit default swaps (3) — 17 2.1 — 62 1.3 Credit default swaps referencing indices 2 25 3.0 2 25 4.0 Subtotal 2 42 2.6 2 87 2.1 B Credit default swaps referencing indices 2 129 5.0 2 130 4.7 Subtotal 2 129 5.0 2 130 4.7 Caa Credit default swaps referencing indices (4) 30 2.5 (10) 30 3.5 Subtotal (4) 30 2.5 (10) 30 3.5 Total $ 228 $ 12,468 4.5 $ 105 $ 11,512 4.7 __________________ (1) The rating agency designations are based on availability and the midpoint of the applicable ratings among Moody’s Investors Service (“Moody’s”), S&P and Fitch Ratings. If no rating is available from a rating agency, then an internally developed rating is used. (2) The weighted average years to maturity of the credit default swaps is calculated based on weighted average gross notional amounts. (3) Single name credit default swaps may be referenced to the credit of corporations, foreign governments, or municipals.
Estimated Fair Value of Derivative Assets and Liabilities after Master Netting Agreements and Cash Collateral	The estimated fair values of the Company’s net derivative assets and net derivative liabilities after the application of master netting agreements and collateral were as follows at: December 31, 2023 2022 Derivatives Subject to a Master Netting Arrangement or a Similar Arrangement Assets Liabilities Assets Liabilities (In millions) Gross estimated fair value of derivatives: OTC-bilateral (1) $ 8,749 $ 6,014 $ 11,438 $ 6,628 OTC-cleared (1) 158 277 121 342 Exchange-traded 11 16 18 5 Total gross estimated fair value of derivatives presented on the consolidated balance sheets (1) 8,918 6,307 11,577 6,975 Gross amounts not offset on the consolidated balance sheets: Gross estimated fair value of derivatives: (2) OTC-bilateral (3,568) (3,568) (4,579) (4,579) OTC-cleared (5) (5) (33) (33) Exchange-traded (1) (1) (1) (1) Cash collateral: (3), (4) OTC-bilateral (3,448) — (5,432) — OTC-cleared (150) (239) (35) (295) Exchange-traded — (5) — (3) Securities collateral: (5) OTC-bilateral (1,563) (2,427) (1,322) (2,024) OTC-cleared — (33) — (14) Exchange-traded — (10) — (1) Net amount after application of master netting agreements and collateral $ 183 $ 19 $ 175 $ 25 __________________ (1) At December 31, 2023 and 2022, derivative assets included income (expense) accruals reported in accrued investment income or in other liabilities of $181 million and $166 million, respectively, and derivative liabilities included (income) expense accruals reported in accrued investment income or in other liabilities of $9 million and $0, respectively. (2) Estimated fair value of derivatives is limited to the amount that is subject to set-off and includes income or expense accruals. (3) Cash collateral received by the Company for OTC-bilateral and OTC-cleared derivatives, where the central clearinghouse treats variation margin as collateral, is included in cash and cash equivalents, short-term investments or in fixed maturity securities AFS, and the obligation to return it is included in payables for collateral under securities loaned and other transactions on the balance sheet. For certain collateral agreements, cash collateral is pledged to the Company as initial margin on its OTC-bilateral derivatives. (4) The receivable for the return of cash collateral provided by the Company is inclusive of initial margin on exchange-traded and OTC-cleared derivatives and is included in premiums, reinsurance and other receivables on the balance sheet. The amount of cash collateral offset in the table above is limited to the net estimated fair value of derivatives after application of netting agreements. At December 31, 2023 and 2022, the Company received excess cash collateral of $163 million and $252 million, respectively, and provided excess cash collateral of $98 million and $125 million, respectively, which is not included in the table above due to the foregoing limitation. (5) Securities collateral received by the Company is held in separate custodial accounts and is not recorded on the balance sheet. Subject to certain constraints, the Company is permitted by contract to sell or re-pledge this collateral, but at December 31, 2023, none of the collateral had been sold or re-pledged. Securities collateral pledged by the Company is reported in fixed maturity securities AFS on the balance sheet. Subject to certain constraints, the counterparties are permitted by contract to sell or re-pledge this collateral. The amount of securities collateral offset in the table above is limited to the net estimated fair value of derivatives after application of netting agreements and cash collateral. At December 31, 2023 and 2022, the Company received excess securities collateral with an estimated fair value of $298 million and $398 million, respectively, for its OTC-bilateral derivatives, which are not included in the table above due to the foregoing limitation. At December 31, 2023 and 2022, the Company provided excess securities collateral with an estimated fair value of $1.5 billion and $1.2 billion, respectively, for its OTC-bilateral derivatives, $945 million and $1.0 billion, respectively, for its OTC-cleared derivatives, and $137 million and $184 million, respectively, for its exchange-traded derivatives, which are not included in the table above due to the foregoing limitation.
Derivative Instruments, Gain (Loss) [Line Items]
Schedule of Derivative Instruments	December 31, 2023 2022 Derivatives Subject to Credit-Contingent Provisions Derivatives Not Subject to Credit-Contingent Provisions Total Derivatives Subject to Credit-Contingent Provisions Derivatives Not Subject to Credit-Contingent Provisions Total (In millions) Estimated fair value of derivatives in a net liability position (1) $ 2,443 $ 4 $ 2,447 $ 2,049 $ — $ 2,049 Estimated fair value of collateral provided: Fixed maturity securities AFS $ 3,011 $ 6 $ 3,017 $ 2,267 $ — $ 2,267 __________________ (1) After taking into consideration the existence of netting agreements.
Net Embedded Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Schedule of Derivative Instruments	The following table presents the estimated fair value and balance sheet location of the Company’s embedded derivatives that have been separated from their host contracts at: December 31, Balance Sheet Location 2023 2022 (In millions) Funds withheld on ceded reinsurance Other liabilities $ (70) $ (123) Fixed annuities with equity indexed returns Policyholder account balances 163 140 Total $ 93 $ 17

Fair Value (Tables)

Fair Value (Tables)	12 Months Ended
	Dec. 31, 2023
Fair Value Disclosures [Abstract]
Recurring Fair Value Measurements	The assets and liabilities measured at estimated fair value on a recurring basis and their corresponding placement in the fair value hierarchy, including those items for which the Company has elected the FVO, are presented below at: December 31, 2023 Fair Value Hierarchy Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: U.S. corporate $ — $ 67,003 $ 13,714 $ 80,717 Foreign corporate — 40,813 14,631 55,444 Foreign government — 45,438 51 45,489 U.S. government and agency 15,327 16,925 — 32,252 RMBS 3 27,495 1,598 29,096 ABS & CLO — 15,191 2,103 17,294 Municipals — 11,171 — 11,171 CMBS — 9,099 850 9,949 Total fixed maturity securities AFS 15,330 233,135 32,947 281,412 Equity securities 429 79 249 757 Unit-linked and FVO securities (1) 7,520 1,708 1,103 10,331 Short-term investments (2) 5,103 667 27 5,797 Other investments 48 363 975 1,386 Derivative assets: (3) Interest rate 1 3,674 — 3,675 Foreign currency exchange rate 2 4,393 23 4,418 Credit — 228 8 236 Equity market 8 393 7 408 Total derivative assets 11 8,688 38 8,737 Market risk benefits — — 286 286 Reinsured market risk benefits (4) — — 18 18 Separate account assets (5) 66,229 77,258 1,147 144,634 Total assets (6) $ 94,670 $ 321,898 $ 36,790 $ 453,358 Liabilities Derivative liabilities: (3) Interest rate $ 5 $ 2,805 $ 174 $ 2,984 Foreign currency exchange rate — 2,737 7 2,744 Credit — 84 — 84 Equity market 11 475 — 486 Total derivative liabilities 16 6,101 181 6,298 Embedded derivatives within liability host contracts (7) — — 93 93 Market risk benefits — — 3,179 3,179 Separate account liabilities (5) 4 4 — 8 Total liabilities $ 20 $ 6,105 $ 3,453 $ 9,578 December 31, 2022 Fair Value Hierarchy Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: U.S. corporate $ — $ 67,578 $ 12,452 $ 80,030 Foreign corporate — 40,623 11,949 52,572 Foreign government — 46,644 103 46,747 U.S. government and agency 15,955 16,274 — 32,229 RMBS 4 24,515 1,646 26,165 ABS & CLO — 14,895 1,927 16,822 Municipals — 12,152 — 12,152 CMBS — 9,367 696 10,063 Total fixed maturity securities AFS 15,959 232,048 28,773 276,780 Equity securities 1,293 132 259 1,684 Unit-linked and FVO securities (1) 7,101 1,780 787 9,668 Short-term investments (2) 3,830 686 57 4,573 Other investments — 206 926 1,132 Derivative assets: (3) Interest rate 2 4,570 — 4,572 Foreign currency exchange rate 8 5,670 210 5,888 Credit — 69 82 151 Equity market 8 785 7 800 Total derivative assets 18 11,094 299 11,411 Market risk benefits — — 280 280 Reinsured market risk benefits (4) — — 23 23 Separate account assets (5) 65,107 79,703 1,228 146,038 Total assets (6) $ 93,308 $ 325,649 $ 32,632 $ 451,589 Liabilities Derivative liabilities: (3) Interest rate $ 1 $ 3,153 $ 404 $ 3,558 Foreign currency exchange rate — 2,820 50 2,870 Credit — 92 15 107 Equity market 4 436 — 440 Total derivative liabilities 5 6,501 469 6,975 Embedded derivatives within liability host contracts (7) — — 17 17 Market risk benefits — — 3,763 3,763 Separate account liabilities (5) 8 15 18 41 Total liabilities $ 13 $ 6,516 $ 4,267 $ 10,796 __________________ (1) Unit-linked and FVO securities were primarily comprised of Unit-linked investments at both December 31, 2023 and 2022. (2) Short-term investments as presented in the tables above differ from the amounts presented on the consolidated balance sheets because certain short-term investments are not measured at estimated fair value on a recurring basis. (3) Derivative assets are presented within other invested assets on the consolidated balance sheets and derivative liabilities are presented within other liabilities on the consolidated balance sheets. The amounts are presented gross in the tables above to reflect the presentation on the consolidated balance sheets, but are presented net for purposes of the rollforward in the Fair Value Measurements Using Significant Unobservable Inputs (Level 3) tables. (4) Reinsured MRBs are presented within premiums, reinsurance and other receivables on the consolidated balance sheets. (5) Investment performance related to separate account assets is fully offset by corresponding amounts credited to contractholders whose liability is reflected within separate account liabilities. Separate account liabilities are set equal to the estimated fair value of separate account assets. Separate account liabilities presented in the tables above represent derivative liabilities. (6) Total assets included in the fair value hierarchy exclude OLPI that are measured at estimated fair value using the net asset value (“NAV”) per share (or its equivalent) practical expedient. At December 31, 2023 and 2022, the estimated fair value of such investments was $52 million and $65 million, respectively. (7) Embedded derivatives within liability host contracts are presented within PABs and other liabilities on the consolidated balance sheets.
Fair Value Inputs, Quantitative Information	The following table presents certain quantitative information about the significant unobservable inputs used in the fair value measurement, and the sensitivity of the estimated fair value to changes in those inputs, for the more significant asset and liability classes measured at fair value on a recurring basis using significant unobservable inputs (Level 3) at: December 31, 2023 December 31, 2022 Impact of Valuation Techniques Significant Range Weighted Range Weighted Fixed maturity securities AFS (3) U.S. corporate and foreign corporate • Matrix pricing • Offered quotes (4) 4 - 131 93 — - 126 87 Increase • Market pricing • Quoted prices (4) — - 110 92 20 - 109 90 Increase • Consensus pricing • Offered quotes (4) 86 - 102 96 5 - 99 93 Increase RMBS • Market pricing • Quoted prices (4) — - 112 93 — - 106 93 Increase (5) ABS & CLO • Market pricing • Quoted prices (4) 3 - 101 93 3 - 102 91 Increase (5) Derivatives Interest rate • Present value techniques • Swap yield (6) 367 - 399 385 372 - 392 381 Increase (7) Foreign currency exchange rate • Present value techniques • Swap yield (6) 185 - 399 193 74 - 1,938 208 Increase (7) Credit • Present value techniques • Credit spreads (8) — - — — 84 - 138 101 Decrease (7) • Consensus pricing • Offered quotes (9) Market Risk Benefits and Reinsured Market Risk Benefits Direct, assumed and ceded guaranteed minimum benefits • Option pricing techniques • Mortality rates: Ages 0 - 40 0% - 0.15% 0.05% 0% - 0.15% 0.05% (10) Ages 41 - 60 0.04% - 0.75% 0.22% 0.05% - 0.75% 0.20% (10) Ages 61 - 115 0% - 100% 1.23% 0.23% - 100% 1.44% (10) • Lapse rates: Durations 1 - 10 0.39% - 20.10% 8.72% 0.40% - 37.50% 8.96% Decrease (11) Durations 11 - 20 0.39% - 15% 4.34% 0.49% - 35.75% 6.52% Decrease (11) Durations 21 - 116 0.10% - 15% 4.59% 0.49% - 35.75% 2.89% Decrease (11) • Utilization rates 0.20% - 22% 0.44% 0.20% - 22% 0.38% Increase (12) • Withdrawal rates 0% - 20% 4.47% 0% - 20% 4.02% (13) • Long-term equity volatilities 8.05% - 21.85% 18.55% 8.26% - 22.01% 18.49% Increase (14) • Nonperformance risk spread 0.38% - 1.59% 0.73% 0.34% - 1.77% 0.75% Decrease (15) __________________ (1) The weighted average for fixed maturity securities AFS and derivatives is determined based on the estimated fair value of the securities and derivatives. The weighted average for MRBs is determined based on a combination of account values and experience data. (2) The impact of a decrease in input would have resulted in the opposite impact on estimated fair value. For MRBs, changes to direct and assumed guaranteed minimum benefits are based on liability positions; changes to ceded guaranteed minimum benefits are based on asset positions. (3) Significant increases (decreases) in expected default rates in isolation would have resulted in substantially lower (higher) valuations. (4) Range and weighted average are presented in accordance with the market convention for fixed maturity securities AFS of dollars per hundred dollars of par. (5) Changes in the assumptions used for the probability of default would have been accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumptions used for prepayment rates. (6) Ranges represent the rates across different yield curves and are presented in basis points. The swap yield curves are utilized among different types of derivatives to project cash flows, as well as to discount future cash flows to present value. Since this valuation methodology uses a range of inputs across a yield curve to value the derivative, presenting a range is more representative of the unobservable input used in the valuation. (7) Changes in estimated fair value are based on long U.S. dollar net asset positions and will be inversely impacted for short U.S. dollar net asset positions. (8) Represents the risk quoted in basis points of a credit default event on the underlying instrument. Credit derivatives with significant unobservable inputs are primarily comprised of written credit default swaps. (9) At December 31, 2023 and 2022, independent non-binding broker quotations were used in the determination of less than 1% and 1%, respectively, of the total net derivative estimated fair value. (10) Mortality rates vary by age and by demographic characteristics such as gender. Mortality rate assumptions are based on company experience. A mortality improvement assumption is also applied. For any given contract, mortality rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. For contracts that contain only a GMDB, any increase (decrease) in mortality rates result in an increase (decrease) in the estimated fair value of MRBs. Generally, for contracts that contain both a GMDB and a living benefit (e.g., GMIB, GMWB, GMAB), any increase (decrease) in mortality rates result in a decrease (increase) in the estimated fair value of MRBs. (11) Base lapse rates are adjusted at the contract level based on a comparison of the actuarially calculated guaranteed values and the current policyholder account value, as well as other factors, such as the applicability of any surrender charges. A dynamic lapse function reduces the base lapse rate when the guaranteed amount is greater than the account value as in the money contracts are less likely to lapse. Lapse rates are also generally assumed to be lower in periods when a surrender charge applies. For any given contract, lapse rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. (12) The utilization rate assumption estimates the percentage of contractholders with GMIBs or a lifetime withdrawal benefit who will elect to utilize the benefit upon becoming eligible. The rates may vary by the type of guarantee, the amount by which the guaranteed amount is greater than the account value, the contract’s withdrawal history and by the age of the policyholder. For any given contract, utilization rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. (13) The withdrawal rate represents the percentage of account balance that any given policyholder will elect to withdraw from the contract each year. The withdrawal rate assumption varies by age and duration of the contract, and also by other factors such as benefit type. For any given contract, withdrawal rates vary throughout the period over which cash flows are projected for purposes of valuing the MRB. For GMWBs, any increase (decrease) in withdrawal rates results in an increase (decrease) in the estimated fair value of the guarantees. For GMABs and GMIBs, any increase (decrease) in withdrawal rates results in a decrease (increase) in the estimated fair value. (14) Long-term equity volatilities represent equity volatility beyond the period for which observable equity volatilities are available. For any given contract, long-term equity volatility rates vary throughout the period over which cash flows are projected for purposes of valuing the MRBs. (15) Nonperformance risk spread varies by duration and by currency. For any given contract, multiple nonperformance risk spreads will apply, depending on the duration of the cash flow being discounted for purposes of valuing the MRBs.
Fair Value, Measured on Recurring Basis, Unobservable Input Reconciliation	The following tables summarize the change of all assets (liabilities) measured at estimated fair value on a recurring basis using significant unobservable inputs (Level 3): Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Fixed Maturity Securities AFS Corporate (6) Foreign Structured Equity Unit-linked and FVO (In millions) Balance, January 1, 2022 $ 25,435 $ 91 $ 5,871 $ 151 $ 901 Total realized/unrealized gains (losses) included in net income (loss) (1), (2) (7) (38) 29 16 (133) Total realized/unrealized gains (losses) included in AOCI (6,221) (13) (478) — — Purchases (3) 5,273 36 967 108 28 Sales (3) (1,762) (9) (984) (14) (24) Issuances (3) — — — — — Settlements (3) — — — — — Transfers into Level 3 (4) 2,127 46 251 — 23 Transfers out of Level 3 (4) (444) (10) (1,387) (2) (8) Balance, December 31, 2022 24,401 103 4,269 259 787 Total realized/unrealized gains (losses) included in net income (loss) (1), (2) (35) 2 (11) 9 138 Total realized/unrealized gains (losses) included in AOCI 1,413 (3) 33 — — Purchases (3) 4,896 13 757 2 205 Sales (3) (2,112) (12) (707) (21) (19) Issuances (3) — — — — — Settlements (3) — — — — — Transfers into Level 3 (4) 249 4 322 — 1 Transfers out of Level 3 (4) (467) (56) (112) — (9) Balance, December 31, 2023 $ 28,345 $ 51 $ 4,551 $ 249 $ 1,103 Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at December 31, 2021 (5) $ (5) $ — $ 42 $ 13 $ 101 Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at December 31, 2022 (5) $ (3) $ (38) $ 27 $ 11 $ (131) Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at December 31, 2023 (5) $ (10) $ 2 $ 10 $ — $ 136 Changes in unrealized gains (losses) included in AOCI for the instruments still held at December 31, 2021 (5) $ (1,293) $ (2) $ (24) $ — $ — Changes in unrealized gains (losses) included in AOCI for the instruments still held at December 31, 2022 (5) $ (6,136) $ (13) $ (450) $ — $ — Changes in unrealized gains (losses) included in AOCI for the instruments still held at December 31, 2023 (5) $ 1,371 $ (3) $ 14 $ — $ — Gains (Losses) Data for the year ended December 31, 2021: Total realized/unrealized gains (losses) included in net income (loss) (1), (2) $ (34) $ — $ 46 $ 27 $ 101 Total realized/unrealized gains (losses) included in AOCI $ (1,334) $ (2) $ (26) $ — $ — Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Short-term Residential Mortgage Other Net Net Embedded Separate (In millions) Balance, January 1, 2022 $ 3 $ 127 $ 898 $ (152) $ (222) $ 2,131 Total realized/unrealized gains (losses) included in net income (loss) (1), (2) — (8) 57 238 121 61 Total realized/unrealized gains (losses) included in AOCI — — — (537) — — Purchases (3) 56 — 246 82 — 202 Sales (3) (2) (108) (177) — — (1,164) Issuances (3) — — — (3) — (2) Settlements (3) — (11) — 201 84 4 Transfers into Level 3 (4) — — — — — 1 Transfers out of Level 3 (4) — — (98) 1 — (23) Balance, December 31, 2022 57 — 926 (170) (17) 1,210 Total realized/unrealized gains (losses) included in net income (loss) (1), (2) — — 22 (39) (36) (60) Total realized/unrealized gains (losses) included in AOCI 1 — — (5) — — Purchases (3) 27 — 27 — — 167 Sales (3) (48) — — — — (180) Issuances (3) — — — — — — Settlements (3) — — — 199 (40) 1 Transfers into Level 3 (4) — — — — — 13 Transfers out of Level 3 (4) (10) — — (128) — (4) Balance, December 31, 2023 $ 27 $ — $ 975 $ (143) $ (93) $ 1,147 Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at December 31, 2021 (5) $ — $ (10) $ 89 $ (361) $ 55 $ — Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at December 31, 2022 (5) $ — $ — $ 56 $ 325 $ 121 $ — Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at December 31, 2023 (5) $ — $ — $ 23 $ (39) $ (36) $ — Changes in unrealized gains (losses) included in AOCI for the instruments still held at December 31, 2021 (5) $ — $ — $ — $ (128) $ — $ — Changes in unrealized gains (losses) included in AOCI for the instruments still held at December 31, 2022 (5) $ — $ — $ — $ (459) $ — $ — Changes in unrealized gains (losses) included in AOCI for the instruments still held at December 31, 2023 (5) $ — $ — $ — $ (5) $ — $ — Gains (Losses) Data for the year ended December 31, 2021: Total realized/unrealized gains (losses) included in net income (loss) (1), (2) $ 1 $ (5) $ 94 $ (460) $ 55 $ 29 Total realized/unrealized gains (losses) included in AOCI $ (3) $ — $ — $ (334) $ — $ — __________________ (1) Amortization of premium/accretion of discount is included within net investment income. Impairments and changes in ACL charged to net income (loss) on certain securities are included in net investment gains (losses), while changes in estimated fair value of Unit-linked and FVO securities and residential mortgage loans — FVO are included in net investment income. Lapses associated with net embedded derivatives are included in net derivative gains (losses). Substantially all realized/unrealized gains (losses) included in net income (loss) for net derivatives and net embedded derivatives are reported in net derivative gains (losses). (2) Interest and dividend accruals, as well as cash interest coupons and dividends received, are excluded from the rollforward. (3) Items purchased/issued and then sold/settled in the same period are excluded from the rollforward. Fees attributed to embedded derivatives are included in settlements. (4) Items transferred into and then out of Level 3 in the same period are excluded from the rollforward. (5) Changes in unrealized gains (losses) included in net income (loss) and included in AOCI relate to assets and liabilities still held at the end of the respective periods. Substantially all changes in unrealized gains (losses) included in net income (loss) for net derivatives and net embedded derivatives are reported in net derivative gains (losses). (6) Comprised of U.S. and foreign corporate securities. (7) Freestanding derivative assets and liabilities are presented net for purposes of the rollforward. (8) Embedded derivative assets and liabilities are presented net for purposes of the rollforward. (9) Investment performance related to separate account assets is fully offset by corresponding amounts credited to contractholders within separate account liabilities. Therefore, such changes in estimated fair value are not recorded in net income (loss). For the purpose of this disclosure, these changes are presented within net income (loss). Separate account assets and liabilities are presented net for the purposes of the rollforward.
Nonrecurring Fair Value Measurements	The following table presents information for assets measured at estimated fair value on a nonrecurring basis during the periods and still held at the reporting dates (for example, when there is evidence of impairment), using significant unobservable inputs (Level 3). December 31, 2023 2022 (In millions) Carrying value after measurement: Mortgage loans (1) $ 474 $ 263 Other invested assets (2) $ 63 $ — Other assets (3) $ — $ 1 Years Ended December 31, 2023 2022 2021 (In millions) Realized gains (losses) net: Mortgage loans (1) $ (215) $ (13) $ (116) Other invested assets (2) $ (136) $ — $ — Other assets (3) $ (5) $ (14) $ (74) __________________ (1) Estimated fair values of impaired mortgage loans are based on the underlying collateral or discounted cash flows. See Note 11. (2) The Company recognized an impairment loss for the year ended December 31, 2023 in connection with the pending disposition of MetLife Malaysia. See Note 3. (3) The Company recognized impairments related to the abandonment of certain leased office space and the related leasehold improvements.
Fair Value of Financial Instruments Carried at Other Than Fair Value	The carrying values and estimated fair values for such financial instruments, and their corresponding placement in the fair value hierarchy, are summarized as follows at: December 31, 2023 Fair Value Hierarchy Carrying Level 1 Level 2 Level 3 Total (In millions) Assets Mortgage loans (1) $ 92,506 $ — $ — $ 87,753 $ 87,753 Policy loans $ 8,788 $ — $ — $ 9,516 $ 9,516 Other invested assets $ 919 $ — $ 714 $ 205 $ 919 Premiums, reinsurance and other receivables $ 5,182 $ — $ 791 $ 4,400 $ 5,191 Other assets $ 268 $ — $ 82 $ 184 $ 266 Liabilities Policyholder account balances $ 138,233 $ — $ — $ 134,025 $ 134,025 Long-term debt $ 15,516 $ — $ 15,621 $ — $ 15,621 Collateral financing arrangement $ 637 $ — $ — $ 551 $ 551 Junior subordinated debt securities $ 3,161 $ — $ 3,552 $ — $ 3,552 Other liabilities $ 10,556 $ — $ 609 $ 9,651 $ 10,260 Separate account liabilities $ 75,705 $ — $ 75,705 $ — $ 75,705 December 31, 2022 Fair Value Hierarchy Carrying Level 1 Level 2 Level 3 Total (In millions) Assets Mortgage loans (1) $ 83,763 $ — $ — $ 78,694 $ 78,694 Policy loans $ 8,874 $ — $ — $ 9,682 $ 9,682 Other invested assets $ 946 $ — $ 729 $ 217 $ 946 Premiums, reinsurance and other receivables $ 2,905 $ — $ 1,042 $ 1,921 $ 2,963 Other assets $ 267 $ — $ 90 $ 175 $ 265 Liabilities Policyholder account balances $ 133,788 $ — $ — $ 127,514 $ 127,514 Long-term debt $ 14,591 $ — $ 14,241 $ — $ 14,241 Collateral financing arrangement $ 716 $ — $ — $ 591 $ 591 Junior subordinated debt securities $ 3,158 $ — $ 3,502 $ — $ 3,502 Other liabilities $ 2,908 $ — $ 1,377 $ 1,793 $ 3,170 Separate account liabilities $ 81,976 $ — $ 81,976 $ — $ 81,976 _________________ (1)

Leases Leases (Tables)

Leases Leases (Tables)	12 Months Ended
	Dec. 31, 2023
Leases [Abstract]
Lease, Cost	ROU assets and lease liabilities for operating leases were: December 31, 2023 December 31, 2022 (In millions) ROU assets $ 1,061 $ 961 Lease liabilities $ 1,231 $ 1,147 The components of operating lease costs were as follows: Years Ended December 31, 2023 2022 2021 (In millions) Operating lease cost $ 244 $ 246 $ 271 Variable lease cost $ 52 $ 45 $ 32 Sublease income $ (95) $ (103) $ (99) Net lease cost $ 201 $ 188 $ 204 Supplemental other information related to operating leases was as follows: December 31, 2023 December 31, 2022 (Dollars in millions) Cash paid for amounts included in the measurement of lease liability - operating cash flows $ 253 $ 249 ROU assets obtained in exchange for new lease liabilities $ 242 $ 58 Weighted-average remaining lease term 8 years 6 years Weighted-average discount rate 4.4 % 3.5 %
Lessee, Operating Lease, Liability, Maturity	Maturities of operating lease liabilities were as follows: December 31, 2023 (In millions) 2024 $ 246 2025 225 2026 203 2027 168 2028 121 Thereafter 526 Total undiscounted cash flows 1,489 Less: interest 258 Present value of lease liability $ 1,231

Goodwill (Tables)

Goodwill (Tables)	12 Months Ended
	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill Rollforward and by Segment	Information regarding goodwill by segment, as well as Corporate & Other, was as follows: Group Benefits (1) RIS (1) Asia (2) Latin EMEA MetLife Corporate Total (In millions) Balance at January 1, 2021 Goodwill $ 1,158 $ 912 $ 4,763 $ 1,143 $ 1,146 $ 1,567 $ 103 $ 10,792 Accumulated impairment — — — — — (680) — (680) Total goodwill, net 1,158 912 4,763 1,143 1,146 887 103 10,112 Effect of foreign currency translation and other — — (211) (166) (200) — — (577) Balance at December 31, 2021 Goodwill 1,158 912 4,552 977 946 1,567 103 10,215 Accumulated impairment — — — — — (680) — (680) Total goodwill, net 1,158 912 4,552 977 946 887 103 9,535 Acquisitions — — — — — — 40 40 Effect of foreign currency translation and other — — (243) 3 (38) — — (278) Balance at December 31, 2022 Goodwill 1,158 912 4,309 980 908 1,567 143 9,977 Accumulated impairment — — — — — (680) — (680) Total goodwill, net 1,158 912 4,309 980 908 887 143 9,297 Acquisitions — — — — — — 30 30 Effect of foreign currency translation and other — — (95) (4) 8 — — (91) Balance at December 31, 2023 Goodwill 1,158 912 4,214 976 916 1,567 173 9,916 Accumulated impairment — — — — — (680) — (680) Total goodwill, net $ 1,158 $ 912 $ 4,214 $ 976 $ 916 $ 887 $ 173 $ 9,236 __________________ (1) See Note 2 for information on the reorganization of the Company’s segments. (2) Includes goodwill of $4.1 billion, $4.2 billion and $4.4 billion from the Company’s Japan operations at December 31, 2023, 2022 and 2021, respectively.

Long-term and Short-term Debt (

Long-term and Short-term Debt (Tables)	12 Months Ended
	Dec. 31, 2023
Debt Disclosure [Abstract]
Long-term and Short-term debt outstanding	Long-term and short-term debt outstanding was as follows: December 31, Interest Rates (1) 2023 2022 Range Maturity Face Unamortized Carrying Face Unamortized Carrying (In millions) Senior notes 0.50 % - 6.50% 2024 - 2054 $ 14,622 $ (106) $ 14,516 $ 13,671 $ (83) $ 13,588 Surplus notes 7.63 % - 7.88% 2024 - 2025 507 — 507 507 (1) 506 Other notes 2.03 % - 8.43% 2024 - 2028 495 (2) 493 500 (3) 497 Financing lease obligations 32 — 32 56 — 56 Total long-term debt 15,656 (108) 15,548 14,734 (87) 14,647 Total short-term debt 119 — 119 175 — 175 Total $ 15,775 $ (108) $ 15,667 $ 14,909 $ (87) $ 14,822 __________________ (1) Range of interest rates are for the year ended December 31, 2023.
Schedule of Short-term Debt	Short-term Debt Short-term debt with maturities of one year or less was as follows: December 31, 2023 2022 (Dollars in millions) Commercial paper $ — $ 99 Short-term borrowings (1) 119 76 Total short-term debt $ 119 $ 175 Average daily balance $ 142 $ 237 Average days outstanding 65 days 157 days __________________ (1)
Schedule of Line of Credit Facilities	Information on the Credit Facility at December 31, 2023 was as follows: Borrower(s) Expiration Maximum Letters of Drawdowns Unused (In millions) MetLife, Inc. and MetLife Funding, Inc. May 2028 (1) $ 3,000 $ 297 $ — $ 2,703 __________________ (1) In May 2023, the Credit Facility was amended and restated to, among other things, extend the maturity date. All borrowings under the Credit Facility must be repaid by May 8, 2028, except that letters of credit outstanding on that date may remain outstanding until no later than May 8, 2029.

Collateral Financing Arrangem_2

Collateral Financing Arrangements Collateral Financing Arrangements (Tables)	12 Months Ended
	Dec. 31, 2023
Secured Debt [Abstract]
CFA Associated with Closed Block	Information related to the collateral financing arrangement associated with the closed block (See Note 10) was as follows at: December 31, 2023 2022 (In millions) Surplus notes outstanding (1) $ 637 $ 716 Receivable from unaffiliated financial institution (1) $ 85 $ 93 Pledged collateral (2) $ 10 $ 43 Assets held in trust (2) $ 1,397 $ 1,369 __________________ (1) At carrying value. (2) At estimated fair value.

Junior Subordinated Debt Secu_2

Junior Subordinated Debt Securities (Tables)	12 Months Ended
	Dec. 31, 2023
Junior Subordinated Notes [Abstract]
Outstanding Junior Subordinated Debt Securities	Outstanding junior subordinated debt securities and exchangeable surplus trust securities which are exchangeable for junior subordinated debt securities prior to redemption or repayment, were as follows: December 31, 2023 2022 Issuer Issue Interest Scheduled Interest Rate Final Face Unamortized Carrying Face Unamortized Carrying (In millions) MetLife, Inc. December 2006 6.400% December 2036 SOFR + 0.26161% + 2.205% December 2066 $ 1,250 $ (14) $ 1,236 $ 1,250 $ (15) $ 1,235 MetLife Capital Trust IV (3) December 2007 7.875% December 2037 SOFR + 0.26161% + 3.960% December 2067 700 (12) 688 700 (13) 687 MetLife, Inc. April 2008 9.250% April 2038 SOFR + 0.26161% + 5.540% April 2068 750 (8) 742 750 (9) 741 MetLife, Inc. July 2009 10.750% August 2039 SOFR + 0.26161% + 7.548% August 2069 500 (5) 495 500 (5) 495 Total $ 3,200 $ (39) $ 3,161 $ 3,200 $ (42) $ 3,158 _________________ (1) Prior to the scheduled redemption date, interest is payable semiannually in arrears. (2) In the event the securities are not redeemed on or before the scheduled redemption date, interest will accrue after such date at an annual rate based on the three-month CME Term SOFR plus 0.26161% and the indicated margin, payable quarterly in arrears. (3) MetLife Capital Trust IV is a VIE which is consolidated on the financial statements of the Company. The securities issued by this entity are exchangeable surplus trust securities, which are exchangeable for a like amount of MetLife, Inc.’s junior subordinated debt securities on the scheduled redemption date, mandatorily under certain circumstances, and at any time upon MetLife, Inc. exercising its option to redeem the securities.

Equity (Tables)

Equity (Tables)	12 Months Ended
	Dec. 31, 2023
Equity [Abstract]
Schedule of Stock by Class	Preferred stock authorized, issued and outstanding was as follows at both December 31, 2023 and 2022: Series Shares Authorized Shares Issued and Outstanding Series A preferred stock 27,600,000 24,000,000 Series D preferred stock 500,000 500,000 Series E preferred stock 32,200 32,200 Series F preferred stock 40,000 40,000 Series G preferred stock 1,000,000 1,000,000 Series A Junior Participating Preferred Stock 10,000,000 — Not designated 160,827,800 — Total 200,000,000 25,572,200
Components of compensation expense related to stock based compensation	Compensation Expense Related to Stock-Based Compensation The components of compensation expense related to stock-based compensation includes compensation expense related to Phantom Stock-Based Awards and excludes the insignificant compensation expense related to the 2015 Director Stock Plan. Those components were: Years Ended December 31, 2023 2022 2021 (In millions) Stock Options and Unit Options $ 7 $ 7 $ 9 Performance Shares and Performance Units (1) 98 108 98 Restricted Stock Units and Restricted Units 66 69 66 Total compensation expense $ 171 $ 184 $ 173 Income tax benefit $ 36 $ 39 $ 36 __________________ (1)
Total unrecognized compensation expense related to stock based compensation and the expected weighted average period over which the expenses will be recognized	The following table presents the total unrecognized compensation expense related to stock-based compensation and the expected weighted average period over which these expenses will be recognized at: December 31, 2023 Expense Weighted Average (In millions) (Years) Stock Options $ 3 1.77 Performance Shares $ 28 1.68 Restricted Stock Units $ 36 1.94
Activity related to Stock Options	Stock Option Activity A summary of the activity related to Stock Options was as follows: Shares Weighted Weighted Aggregate (Years) (In millions) Outstanding at January 1, 2023 3,386,041 $ 49.24 5.58 $ 78 Granted 405,544 $ 71.73 Exercised (250,757) $ 43.54 Expired (2) (6,491) $ 65.52 Forfeited (3) (34,331) $ 68.22 Outstanding at December 31, 2023 3,500,006 $ 52.04 5.21 $ 53 Vested and expected to vest at December 31, 2023 3,491,957 $ 52.00 5.20 $ 53 Exercisable at December 31, 2023 2,709,467 $ 47.34 4.26 $ 51 __________________ (1) The intrinsic value of each Stock Option is the closing price on a particular date less the exercise price of the Stock Option, so long as the difference is greater than zero. The aggregate intrinsic value of all outstanding Stock Options is computed using the closing Share price on December 31, 2023 of $66.13 and December 31, 2022 of $72.37, as applicable. (2) Expired options were exercisable, but unexercised, as of their expiration date. (3) Forfeited awards were either (a) unvested or unexercisable at the end of the awardholder’s employment, where the awardholder did not meet the criteria for post-employment award continuation; or (b) held by awardholders the Company terminated from employment for cause as defined in the terms of the awards. The following table presents a summary of Stock Option exercise activity: Years Ended December 31, 2023 2022 2021 (In millions) Total intrinsic value of stock options exercised $ 6 $ 40 $ 60 Cash received from exercise of stock options $ 11 $ 48 $ 119 Income tax benefit realized from stock options exercised $ 1 $ 8 $ 13
Weighted average assumptions used to determine the fair value of Stock Options issued	The following table presents the weighted average assumptions, with the exception of risk-free rate (which is expressed as a range), that the model uses to determine the fair value of unexercised Stock Options: Years Ended December 31, 2023 2022 2021 Dividend yield 2.79% 2.78% 3.20% Risk-free rate of return 5.02% - 3.47% 1.17% - 1.97% 0.08% - 2.48% Expected volatility 25.73% 26.67% 29.72% Exercise multiple 1.45 1.45 1.44 Post-vesting termination rate 3.47% 3.58% 3.58% Contractual term (years) 10 10 10 Expected life (years) 6 6 7 Weighted average exercise price of stock options granted $71.73 $68.96 $57.43 Weighted average fair value of stock options granted $17.56 $15.18 $12.76
Performance Share and Restricted Stock Unit Activity	Performance Share and Restricted Stock Unit Activity The following table presents a summary of Performance Share and Restricted Stock Unit activity: Performance Shares Restricted Stock Units Shares Weighted Units Weighted Outstanding at January 1, 2023 3,206,738 $ 51.26 1,999,964 $ 53.62 Granted 998,687 $ 65.68 959,434 $ 64.85 Forfeited (2) (116,526) $ 59.49 (65,491) $ 61.38 Payable (3) (1,175,401) $ 41.90 (1,044,290) $ 49.17 Outstanding at December 31, 2023 2,913,498 $ 59.65 1,849,617 $ 61.68 Vested and expected to vest at December 31, 2023 2,872,871 $ 59.58 1,814,816 $ 61.67 __________________ (1) Values for awards outstanding at January 1, 2023, represent weighted average number of awards multiplied by their fair value per Share at December 31, 2022. Otherwise, all values represent weighted average of number of awards multiplied by the fair value per Share at December 31, 2023. Fair value of Performance Shares and Restricted Stock Units on December 31, 2023 was equal to Grant Date fair value. (2) Forfeited awards were either (a) unvested or unexercisable at the end of the awardholder’s employment, where the awardholder did not meet the criteria for post-employment award continuation; or (b) held by awardholders the Company terminated from employment for cause as defined in the terms of the awards. (3) Includes both Shares paid and Deferred Shares.
Liability Award Unit Activity	Liability Award Activity The following table presents a summary of Liability Awards activity: Unit Performance Restricted Outstanding at January 1, 2023 54,731 391,920 441,555 Granted 12,847 118,426 195,192 Exercised (22,066) — — Expired (1) (6,360) — — Forfeited (2) — (15,901) (22,728) Paid — (154,904) (224,528) Outstanding at December 31, 2023 39,152 339,541 389,491 Vested and expected to vest at December 31, 2023 38,667 331,974 381,156 __________________ (1) Expired options were exercisable, but unexercised, as of their expiration date. (2) Forfeited awards were either (a) unvested or unexercisable at the end of the awardholder’s employment, where the awardholder did not meet the criteria for post-employment award continuation; or (b) held by awardholders the Company terminated from employment for cause as defined in the terms of the awards.
Schedules of statutory net income, capital and surplus and reserve strengthening by subsidiary	Statutory net income (loss) was as follows: Years Ended December 31, Company State of Domicile 2023 2022 2021 (In millions) Metropolitan Life Insurance Company New York $ 3,407 $ 2,737 $ 3,513 American Life Insurance Company Delaware $ 767 $ 824 $ 48 Metropolitan Tower Life Insurance Company Nebraska $ 411 $ 232 $ 185 Other Various $ 53 $ 91 $ 76 Statutory capital and surplus was as follows at: December 31, Company 2023 2022 (In millions) Metropolitan Life Insurance Company $ 11,593 $ 10,869 American Life Insurance Company $ 8,272 $ 5,040 Metropolitan Tower Life Insurance Company $ 2,461 $ 1,896 Other $ 358 $ 209
Dividend Payment Restrictions	The table below sets forth the dividends permitted to be paid by MetLife, Inc.’s primary insurance subsidiaries without insurance regulatory approval and the actual dividends paid: 2024 2023 2022 Company Permitted Without Paid (2) Paid (2) (In millions) Metropolitan Life Insurance Company $ 3,476 $ 2,471 $ 3,539 American Life Insurance Company $ 945 $ 1,887 $ 1,289 Metropolitan Tower Life Insurance Company $ 373 $ 189 $ — __________________ (1) Reflects dividend amounts that may be paid by the end of 2024 without prior regulatory approval. (2) Reflects all amounts paid, including those where regulatory approval was obtained as required.
Components of Accumulated Other Comprehensive Income (Loss)	Information regarding changes in the balances of each component of AOCI attributable to MetLife, Inc. was as follows: Unrealized Investment Gains (Losses), Net of Related Offsets (1) Deferred Gains Future Policy Benefits Discount Rate Remeasurement Gains (Losses) Market Risk Benefits Instrument-Specific Credit Risk Remeasurement Gains(Losses) Foreign Defined Total (In millions) Balance at December 31, 2020 $ 22,217 $ 1,513 $ — $ — $ (3,795) $ (1,863) $ 18,072 Cumulative effects of changes in accounting principles, net of income tax 8,503 — (26,330) 76 (6) — (17,757) Balance at January 1, 2021 30,720 1,513 (26,330) 76 (3,801) (1,863) 315 OCI before reclassifications (12,498) (113) 10,102 257 (1,527) 237 (3,542) Deferred income tax benefit (expense) 2,961 18 (2,331) (54) (54) (46) 494 AOCI before reclassifications, net of income tax 21,183 1,418 (18,559) 279 (5,382) (1,672) (2,733) Amounts reclassified from AOCI (125) 250 — — — 91 216 Deferred income tax benefit (expense) 29 (39) — — — (17) (27) Amounts reclassified from AOCI, net of income tax (96) 211 — — — 74 189 Sale of subsidiaries, net of income tax (2) (168) — — — 261 — 93 Balance at December 31, 2021 20,919 1,629 (18,559) 279 (5,121) (1,598) (2,451) OCI before reclassifications (58,093) (583) 31,755 (219) (1,625) 188 (28,577) Deferred income tax benefit (expense) 13,298 89 (7,116) 47 (18) (39) 6,261 AOCI before reclassifications, net of income tax (23,876) 1,135 6,080 107 (6,764) (1,449) (24,767) Amounts reclassified from AOCI 1,607 498 — — — 93 2,198 Deferred income tax benefit (expense) (368) (76) — — — (19) (463) Amounts reclassified from AOCI, net of income tax 1,239 422 — — — 74 1,735 Sale of subsidiaries, net of income tax (2) (9) — 35 — 387 (2) 411 Balance at December 31, 2022 (22,646) 1,557 6,115 107 (6,377) (1,377) (22,621) OCI before reclassifications 7,820 (1,106) (4,361) (102) 296 (207) 2,340 Deferred income tax benefit (expense) (1,666) 267 904 22 (77) 45 (505) AOCI before reclassifications, net of income tax (16,492) 718 2,658 27 (6,158) (1,539) (20,786) Amounts reclassified from AOCI 2,523 (705) — — — 119 1,937 Deferred income tax benefit (expense) (537) 170 — — — (26) (393) Amounts reclassified from AOCI, net of income tax 1,986 (535) — — — 93 1,544 Balance at December 31, 2023 $ (14,506) $ 183 $ 2,658 $ 27 $ (6,158) $ (1,446) $ (19,242) __________________ (1) Primarily unrealized gains (losses) on fixed maturity securities. (2) See Note 3 for information on the Company’s business dispositions .
Reclassification out of Accumulated Other Comprehensive Income (Loss)	Information regarding amounts reclassified out of each component of AOCI was as follows: Years Ended December 31, 2023 2022 2021 AOCI Components Amounts Reclassified from AOCI Consolidated Statements of (In millions) Net unrealized investment gains (losses): Net unrealized investment gains (losses) $ (2,620) $ (1,802) $ 72 Net investment gains (losses) Net unrealized investment gains (losses) 8 7 (16) Net investment income Net unrealized investment gains (losses) 89 188 69 Net derivative gains (losses) Net unrealized investment gains (losses), before income tax (2,523) (1,607) 125 Income tax (expense) benefit 537 368 (29) Net unrealized investment gains (losses), net of income tax (1,986) (1,239) 96 Deferred gains (losses) on derivatives — cash flow hedges: Interest rate derivatives 50 59 56 Net investment income Interest rate derivatives 90 41 84 Net investment gains (losses) Interest rate derivatives — 4 3 Other expenses Foreign currency exchange rate derivatives 4 6 8 Net investment income Foreign currency exchange rate derivatives 558 (609) (403) Net investment gains (losses) Foreign currency exchange rate derivatives 2 1 2 Other expenses Credit derivatives 1 — — Net investment gains (losses) Gains (losses) on cash flow hedges, before income tax 705 (498) (250) Income tax (expense) benefit (170) 76 39 Gains (losses) on cash flow hedges, net of income tax 535 (422) (211) Defined benefit plans adjustment: (1) Amortization of net actuarial gains (losses) (130) (104) (120) Amortization of prior service (costs) credit 11 11 29 Amortization of defined benefit plan items, before income tax (119) (93) (91) Income tax (expense) benefit 26 19 17 Amortization of defined benefit plan items, net of income tax (93) (74) (74) Total reclassifications, net of income tax $ (1,544) $ (1,735) $ (189) __________________ (1) These AOCI components are included in the computation of net periodic benefit costs. See Note 21.
Preferred Stock Dividend Rates	The table below presents the dividend rates of MetLife, Inc.’s preferred stock outstanding at December 31, 2023: Series Per Annum Dividend Rate A Three-month CME Term SOFR plus a spread adjustment of 0.26161% + 1.000%, with floor of 4.000%, payable quarterly in March, June, September and December D 5.875% from issuance date to, but excluding, March 15, 2028, payable semiannually in March and September; three-month CME Term SOFR plus a spread adjustment of 0.26161% + 2.959% payable quarterly in March, June, September and December, thereafter E 5.625% from issuance date, payable quarterly in March, June, September and December F 4.750% from issuance date, payable quarterly in March, June, September and December G 3.850% from issuance date, but excluding, September 15, 2025, payable semiannually in March and September commencing in March 2021; five year treasury rate, reset every five years, + 3.576% payable semiannually in March and September, thereafter
Class of Treasury Stock	MetLife, Inc. announced that its Board of Directors authorized common stock repurchases as follows: Authorization Remaining at Announcement Date Authorization Amount December 31, 2023 (In millions) May 25, 2023 $ 1,000 $ 1,000 May 3, 2023 $ 3,000 $ 1,102 May 4, 2022 $ 3,000 $ — August 4, 2021 $ 3,000 $ —
Dividends Declared [Table Text Block]	The per share and aggregate dividends declared for MetLife, Inc.’s preferred stock were as follows: Years Ended December 31, 2023 2022 2021 Series Per Share Aggregate Per Share Aggregate Per Share Aggregate (In millions, except per share data) A $ 1.577 $ 37 $ 1.033 $ 24 $ 1.015 $ 24 C (1) $ — — $ — — $ 19.085 10 D $ 58.750 29 $ 58.750 29 $ 58.750 29 E $ 1,406.252 45 $ 1,406.252 45 $ 1,406.252 45 F $ 1,187.500 48 $ 1,187.500 48 $ 1,187.500 48 G $ 38.500 39 $ 38.500 39 $ 39.035 39 Total $ 198 $ 185 $ 195 __________________ (1) Dividends were paid through the dividend payment date of June 15, 2021, when all outstanding shares of Series C preferred stock were redeemed and eliminated.

Other Revenues and Other Expe_2

Other Revenues and Other Expenses (Tables)	12 Months Ended
	Dec. 31, 2023
Other Income and Expenses [Abstract]
Disaggregation of Revenue	Information on other revenues, which primarily includes fees related to service contracts from customers, was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Vision fee for service arrangements $ 598 $ 566 $ 546 Prepaid legal plans 516 471 432 Fee-based investment management 408 396 363 Administrative services-only contracts 259 238 231 Recordkeeping and administrative services (1) 150 168 213 Other revenue from service contracts from customers 298 271 289 Total revenues from service contracts from customers 2,229 2,110 2,074 Other 297 520 545 Total other revenues $ 2,526 $ 2,630 $ 2,619 __________________ (1) Related to products and businesses no longer actively marketed by the Company.
Other Expenses	Information on other expenses was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Employee-related costs (1) $ 3,626 $ 3,520 $ 3,515 Third party staffing costs 1,477 1,573 1,423 General and administrative expenses 828 669 670 Pension, postretirement and postemployment benefit costs 246 98 147 Premium taxes, other taxes, and licenses & fees 660 608 629 Commissions and other variable expenses 5,819 5,265 5,463 Capitalization of DAC (2,917) (2,614) (2,751) Amortization of DAC and VOBA 1,952 1,831 2,037 Amortization of negative VOBA (26) (29) (35) Interest expense on debt 1,045 938 920 Total other expenses $ 12,710 $ 11,859 $ 12,018 __________________ (1) Includes ($140) million, $93 million and ($144) million for the years ended December 31, 2023, 2022 and 2021, respectively, for the net change in cash surrender value of investments in certain life insurance policies, net of premiums paid.

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	12 Months Ended
	Dec. 31, 2023
Retirement Benefits [Abstract]
Net periodic benefit costs and other changes in plan assets and benefit obligations recognized in other comprehensive income (loss)	The benefit obligations, funded status and net periodic benefit costs related to these pension and other postretirement benefits were comprised of the following: December 31, 2023 December 31, 2022 Pension Benefits Other Postretirement Pension Benefits Other Postretirement U.S. Non- Total U.S. Non- Total U.S. Non- Total U.S. Non- Total (In millions) Benefit obligations $ 8,649 $ 849 $ 9,498 $ 723 $ 42 $ 765 $ 8,425 $ 873 $ 9,298 $ 758 $ 36 $ 794 Estimated fair value of plan assets 7,786 484 8,270 1,307 27 1,334 7,831 463 8,294 1,277 26 1,303 Over (under) funded status $ (863) $ (365) $ (1,228) $ 584 $ (15) $ 569 $ (594) $ (410) $ (1,004) $ 519 $ (10) $ 509 Net periodic benefit costs $ 227 $ 64 $ 291 $ (41) $ 3 $ (38) $ 49 $ 73 $ 122 $ (43) $ 1 $ (42) The components of net periodic benefit costs and other changes in plan assets and benefit obligations recognized in OCI were as follows: Years Ended December 31, 2023 2022 2021 Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits (In millions) Net periodic benefit costs: Service costs $ 143 $ 3 $ 187 $ 4 $ 215 $ 4 Interest costs 474 43 328 34 342 37 Settlement and curtailment (gains) losses 6 — 5 — (7) 1 Expected return on plan assets (480) (54) (516) (55) (506) (56) Amortization of net actuarial (gains) losses 159 (30) 129 (25) 162 (39) Amortization of prior service costs (credit) (11) — (11) — (12) — Total net periodic benefit costs (credit) 291 (38) 122 (42) 194 (53) Other changes in plan assets and benefit obligations recognized in OCI: Net actuarial (gains) losses 250 (41) 2 (191) (166) (54) Prior service costs (credit) — — 8 — 1 (1) Amortization of net actuarial gains (losses) (159) 30 (129) 25 (162) 39 Amortization of prior service (costs) credit 11 — 11 — 12 — Settlement and curtailment (gains) losses (6) — (5) — (10) 10 Exchange rate changes (2) — (7) — (8) — Total recognized in OCI 94 (11) (120) (166) (333) (6) Total recognized in net periodic benefit costs and OCI $ 385 $ (49) $ 2 $ (208) $ (139) $ (59)
Benefit Plan Obligations, Assets, Funded Status, Accumulated Other Comprehensive Income (Loss) and Accumulated Benefit Obligation	Obligations and Funded Status December 31, 2023 2022 Pension Other Pension Other (In millions) Change in benefit obligations: Benefit obligations at January 1, $ 9,298 $ 794 $ 12,182 $ 1,138 Service costs 143 3 187 4 Interest costs 474 43 328 34 Plan participants’ contributions — 30 — 32 Plan amendments — — 8 — Net actuarial (gains) losses (2) 299 (23) (2,609) (289) Acquisition, divestitures, settlements and curtailments (35) — (45) — Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (45) 4 (123) — Benefit obligations at December 31, 9,498 765 9,298 794 Change in plan assets: Estimated fair value of plan assets at January 1, 8,294 1,303 10,971 1,443 Actual return on plan assets 529 72 (2,095) (43) Acquisition, divestitures and settlements (35) — (38) — Plan participants’ contributions — 30 — 32 Employer contributions 140 13 152 (3) Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (22) 2 (66) (1) Estimated fair value of plan assets at December 31, 8,270 1,334 8,294 1,303 Over (under) funded status at December 31, $ (1,228) $ 569 $ (1,004) $ 509 Amounts recognized on the consolidated balance sheets: Other assets $ 229 $ 886 $ 428 $ 796 Other liabilities (1,457) (317) (1,432) (287) Net amount recognized $ (1,228) $ 569 $ (1,004) $ 509 AOCI: Net actuarial (gains) losses $ 2,360 $ (509) $ 2,277 $ (498) Prior service costs (credit) (25) — (36) — AOCI, before income tax $ 2,335 $ (509) $ 2,241 $ (498) Accumulated benefit obligation $ 9,377 N/A $ 9,185 N/A __________________ (1) Includes nonqualified unfunded plans, for which the aggregate PBO was $1.0 billion at both December 31, 2023 and 2022. (2) For the year ended December 31, 2023, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions of $256 million and $8 million, respectively, demographic assumptions of ($54) million and ($8) million, respectively, and plan experience of $97 million and ($23) million, respectively. For the year ended December 31, 2022, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions, primarily related to an increase in the discount rate, of ($2.6) billion and ($276) million, respectively, and plan experience of $14 million and ($13) million, respectively.
Benefit Plan Obligations, Assets, Funded Status, Accumulated Other Comprehensive Income (Loss) and Accumulated Benefit Obligation	Obligations and Funded Status December 31, 2023 2022 Pension Other Pension Other (In millions) Change in benefit obligations: Benefit obligations at January 1, $ 9,298 $ 794 $ 12,182 $ 1,138 Service costs 143 3 187 4 Interest costs 474 43 328 34 Plan participants’ contributions — 30 — 32 Plan amendments — — 8 — Net actuarial (gains) losses (2) 299 (23) (2,609) (289) Acquisition, divestitures, settlements and curtailments (35) — (45) — Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (45) 4 (123) — Benefit obligations at December 31, 9,498 765 9,298 794 Change in plan assets: Estimated fair value of plan assets at January 1, 8,294 1,303 10,971 1,443 Actual return on plan assets 529 72 (2,095) (43) Acquisition, divestitures and settlements (35) — (38) — Plan participants’ contributions — 30 — 32 Employer contributions 140 13 152 (3) Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (22) 2 (66) (1) Estimated fair value of plan assets at December 31, 8,270 1,334 8,294 1,303 Over (under) funded status at December 31, $ (1,228) $ 569 $ (1,004) $ 509 Amounts recognized on the consolidated balance sheets: Other assets $ 229 $ 886 $ 428 $ 796 Other liabilities (1,457) (317) (1,432) (287) Net amount recognized $ (1,228) $ 569 $ (1,004) $ 509 AOCI: Net actuarial (gains) losses $ 2,360 $ (509) $ 2,277 $ (498) Prior service costs (credit) (25) — (36) — AOCI, before income tax $ 2,335 $ (509) $ 2,241 $ (498) Accumulated benefit obligation $ 9,377 N/A $ 9,185 N/A __________________ (1) Includes nonqualified unfunded plans, for which the aggregate PBO was $1.0 billion at both December 31, 2023 and 2022. (2) For the year ended December 31, 2023, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions of $256 million and $8 million, respectively, demographic assumptions of ($54) million and ($8) million, respectively, and plan experience of $97 million and ($23) million, respectively. For the year ended December 31, 2022, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions, primarily related to an increase in the discount rate, of ($2.6) billion and ($276) million, respectively, and plan experience of $14 million and ($13) million, respectively.
Benefit Plan Obligations, Assets, Funded Status, Accumulated Other Comprehensive Income (Loss) and Accumulated Benefit Obligation	Obligations and Funded Status December 31, 2023 2022 Pension Other Pension Other (In millions) Change in benefit obligations: Benefit obligations at January 1, $ 9,298 $ 794 $ 12,182 $ 1,138 Service costs 143 3 187 4 Interest costs 474 43 328 34 Plan participants’ contributions — 30 — 32 Plan amendments — — 8 — Net actuarial (gains) losses (2) 299 (23) (2,609) (289) Acquisition, divestitures, settlements and curtailments (35) — (45) — Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (45) 4 (123) — Benefit obligations at December 31, 9,498 765 9,298 794 Change in plan assets: Estimated fair value of plan assets at January 1, 8,294 1,303 10,971 1,443 Actual return on plan assets 529 72 (2,095) (43) Acquisition, divestitures and settlements (35) — (38) — Plan participants’ contributions — 30 — 32 Employer contributions 140 13 152 (3) Benefits paid (636) (86) (630) (125) Effect of foreign currency translation (22) 2 (66) (1) Estimated fair value of plan assets at December 31, 8,270 1,334 8,294 1,303 Over (under) funded status at December 31, $ (1,228) $ 569 $ (1,004) $ 509 Amounts recognized on the consolidated balance sheets: Other assets $ 229 $ 886 $ 428 $ 796 Other liabilities (1,457) (317) (1,432) (287) Net amount recognized $ (1,228) $ 569 $ (1,004) $ 509 AOCI: Net actuarial (gains) losses $ 2,360 $ (509) $ 2,277 $ (498) Prior service costs (credit) (25) — (36) — AOCI, before income tax $ 2,335 $ (509) $ 2,241 $ (498) Accumulated benefit obligation $ 9,377 N/A $ 9,185 N/A __________________ (1) Includes nonqualified unfunded plans, for which the aggregate PBO was $1.0 billion at both December 31, 2023 and 2022. (2) For the year ended December 31, 2023, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions of $256 million and $8 million, respectively, demographic assumptions of ($54) million and ($8) million, respectively, and plan experience of $97 million and ($23) million, respectively. For the year ended December 31, 2022, significant sources of actuarial (gains) losses for pension and other postretirement benefits include the impact of changes to the financial assumptions, primarily related to an increase in the discount rate, of ($2.6) billion and ($276) million, respectively, and plan experience of $14 million and ($13) million, respectively.
Accumulated benefit obligations in excess of fair value of plan assets	Information regarding pension plans and other postretirement benefit plans with PBOs and/or accumulated benefit obligations (“ABO”) or APBO in excess of plan assets was as follows at: December 31, 2023 2022 2023 2022 2023 2022 PBO Exceeds Estimated Fair Value ABO Exceeds Estimated Fair Value APBO Exceeds Estimated Fair Value (In millions) Projected benefit obligations $ 1,474 $ 1,444 $ 1,459 $ 1,434 N/A N/A Accumulated benefit obligations $ 1,411 $ 1,384 $ 1,411 $ 1,384 N/A N/A Accumulated postretirement benefit obligations N/A N/A N/A N/A $ 580 $ 562 Estimated fair value of plan assets $ 15 $ 10 $ 2 $ — $ 266 $ 276
Defined benefit plan pension plans with projected benefit obligations in excess of plan assets	Information regarding pension plans and other postretirement benefit plans with PBOs and/or accumulated benefit obligations (“ABO”) or APBO in excess of plan assets was as follows at: December 31, 2023 2022 2023 2022 2023 2022 PBO Exceeds Estimated Fair Value ABO Exceeds Estimated Fair Value APBO Exceeds Estimated Fair Value (In millions) Projected benefit obligations $ 1,474 $ 1,444 $ 1,459 $ 1,434 N/A N/A Accumulated benefit obligations $ 1,411 $ 1,384 $ 1,411 $ 1,384 N/A N/A Accumulated postretirement benefit obligations N/A N/A N/A N/A $ 580 $ 562 Estimated fair value of plan assets $ 15 $ 10 $ 2 $ — $ 266 $ 276
Net periodic benefit costs and other changes in plan assets and benefit obligations recognized in other comprehensive income (loss)	The components of net periodic benefit costs and other changes in plan assets and benefit obligations recognized in OCI were as follows: Years Ended December 31, 2023 2022 2021 Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits (In millions) Net periodic benefit costs: Service costs $ 143 $ 3 $ 187 $ 4 $ 215 $ 4 Interest costs 474 43 328 34 342 37 Settlement and curtailment (gains) losses 6 — 5 — (7) 1 Expected return on plan assets (480) (54) (516) (55) (506) (56) Amortization of net actuarial (gains) losses 159 (30) 129 (25) 162 (39) Amortization of prior service costs (credit) (11) — (11) — (12) — Total net periodic benefit costs (credit) 291 (38) 122 (42) 194 (53) Other changes in plan assets and benefit obligations recognized in OCI: Net actuarial (gains) losses 250 (41) 2 (191) (166) (54) Prior service costs (credit) — — 8 — 1 (1) Amortization of net actuarial gains (losses) (159) 30 (129) 25 (162) 39 Amortization of prior service (costs) credit 11 — 11 — 12 — Settlement and curtailment (gains) losses (6) — (5) — (10) 10 Exchange rate changes (2) — (7) — (8) — Total recognized in OCI 94 (11) (120) (166) (333) (6) Total recognized in net periodic benefit costs and OCI $ 385 $ (49) $ 2 $ (208) $ (139) $ (59)
Assumptions used in determining benefit obligations and net periodic benefit costs	Assumptions used in determining benefit obligations for the U.S. plans were as follows: Pension Benefits Other Postretirement Benefits December 31, 2023 Weighted average discount rate 5.25% 5.35% Weighted average interest crediting rate 4.00% N/A Rate of compensation increase 2.50% - 8.00% N/A December 31, 2022 Weighted average discount rate 5.60% 5.70% Weighted average interest crediting rate 4.00% N/A Rate of compensation increase 2.50% - 8.00% N/A Assumptions used in determining net periodic benefit costs for the U.S. plans were as follows: Pension Benefits Other Postretirement Benefits Year Ended December 31, 2023 Weighted average discount rate 5.60% 5.70% Weighted average interest crediting rate 4.00% N/A Weighted average expected rate of return on plan assets 6.25% 4.25% Rate of compensation increase 2.50% - 8.00% N/A Year Ended December 31, 2022 Weighted average discount rate 2.95% 3.05% Weighted average interest crediting rate 3.43% N/A Weighted average expected rate of return on plan assets 5.00% 3.86% Rate of compensation increase 2.50% - 8.00% N/A Year Ended December 31, 2021 Weighted average discount rate 3.01% 3.14% Weighted average interest crediting rate 3.24% N/A Weighted average expected rate of return on plan assets 5.00% 3.87% Rate of compensation increase 2.50% - 8.00% N/A
Assumed healthcare costs trend rates	The assumed healthcare costs trend rates used in measuring the APBO and net periodic benefit costs were as follows: December 31, 2023 2022 Before Age 65 and Before Age 65 and Following year 6.2 % 4.5 % 5.2 % 3.9 % Ultimate rate to which cost increase is assumed to decline 3.7 % 4.5 % 3.7 % 4.5 % Year in which the ultimate trend rate is reached 2074 2102 2074 2100
Plan Assets	The table below summarizes the actual weighted average allocation of the estimated fair value of total plan assets by asset class at December 31 for the years indicated and the approved target allocation by major asset class at December 31, 2023 for the Invested Plans: December 31, 2023 2022 U.S. Pension U.S. Other Postretirement Benefits (1) U.S. Pension U.S. Other Target Actual Target Actual Actual Actual Asset Class Fixed maturity securities AFS 85 % 82 % 95 % 94 % 83 % 96 % Equity securities (2) 7 % 6 % 5 % 6 % 6 % 4 % Alternative securities (3) 8 % 12 % — % — % 11 % — % Total assets 100 % 100 % 100 % 100 % __________________ (1) U.S. other postretirement benefits do not reflect postretirement life’s plan assets invested in fixed maturity securities AFS. (2) Equity securities percentage includes derivative assets. (3) Alternative securities primarily include private equity and real estate funds. The pension and other postretirement plan assets measured at estimated fair value on a recurring basis and their corresponding placement in the fair value hierarchy are summarized as follows: December 31, 2023 Pension Benefits Other Postretirement Benefits Fair Value Hierarchy Fair Value Hierarchy Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: Corporate $ — $ 3,029 $ 54 $ 3,083 $ — $ 167 $ — $ 167 U.S. government bonds 1,537 38 — 1,575 52 6 — 58 Foreign bonds — 808 2 810 — 46 — 46 Federal agencies 62 141 — 203 1 — — 1 Municipals — 147 — 147 — 8 — 8 Short-term investments 13 184 — 197 554 403 — 957 Other (1) 114 577 8 699 4 33 — 37 Total fixed maturity securities AFS 1,726 4,924 64 6,714 611 663 — 1,274 Equity securities 436 162 12 610 59 — — 59 Other investments 41 — 828 869 1 — — 1 Derivative assets 10 67 — 77 — — — — Total assets $ 2,213 $ 5,153 $ 904 $ 8,270 $ 671 $ 663 $ — $ 1,334 December 31, 2022 Pension Benefits Other Postretirement Benefits Fair Value Hierarchy Fair Value Hierarchy Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Total (In millions) Assets Fixed maturity securities AFS: Corporate $ — $ 2,946 $ 55 $ 3,001 $ — $ 205 $ — $ 205 U.S. government bonds 1,462 45 — 1,507 68 — — 68 Foreign bonds — 769 — 769 — 61 — 61 Federal agencies 87 190 — 277 3 1 — 4 Municipals — 159 — 159 — 15 — 15 Short-term investments 12 384 — 396 463 396 — 859 Other (1) 92 598 3 693 8 36 — 44 Total fixed maturity securities AFS 1,653 5,091 58 6,802 542 714 — 1,256 Equity securities 416 151 3 570 47 — — 47 Other investments 40 1 855 896 — — — — Derivative assets 21 1 4 26 — — — — Total assets $ 2,130 $ 5,244 $ 920 $ 8,294 $ 589 $ 714 $ — $ 1,303 __________________ (1) Other primarily includes money market securities, mortgage-backed securities, collateralized mortgage obligations and ABS & CLO.
Rollforward fair value measurement using significant unobservable outputs (level 3)	A rollforward of all pension and other postretirement benefit plan assets measured at estimated fair value on a recurring basis using significant unobservable (Level 3) inputs was as follows: Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Fixed Maturity Securities AFS: Foreign Bonds Corporate Other Equity Securities Other Derivative Assets (In millions) Balance, January 1, 2022 $ 1 $ — $ 1 $ 11 $ 954 $ — Realized gains (losses) — — — — — — Unrealized gains (losses) — (1) — — 54 1 Purchases, sales, issuances and settlements, net — 56 3 (8) (153) 3 Transfers into and/or out of Level 3 (1) — (1) — — — Balance, December 31, 2022 $ — $ 55 $ 3 $ 3 $ 855 $ 4 Realized gains (losses) — — — — (1) — Unrealized gains (losses) — 1 — 1 (51) (1) Purchases, sales, issuances and settlements, net — 2 — 8 25 (3) Transfers into and/or out of Level 3 2 (4) 5 — — — Balance, December 31, 2023 $ 2 $ 54 $ 8 $ 12 $ 828 $ —
Defined benefit plan estimated future benefit payments	Gross benefit payments for the next 10 years, which reflect expected future service where appropriate, are expected to be as follows: Pension Benefits Other Postretirement Benefits (In millions) 2024 $ 690 $ 61 2025 $ 697 $ 58 2026 $ 707 $ 57 2027 $ 718 $ 57 2028 $ 735 $ 56 2029-2033 $ 3,668 $ 267

Income Tax (Tables)

Income Tax (Tables)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Provision for income tax from continuing operations	The provision for income tax was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Current: U.S. federal $ 381 $ 159 $ 62 U.S. state and local 46 45 38 Non-U.S. 1,240 1,074 795 Subtotal 1,667 1,278 895 Deferred: U.S. federal (591) 1,234 872 U.S. state and local (4) — (2) Non-U.S. (512) (1,450) (123) Subtotal (1,107) (216) 747 Provision for income tax expense (benefit) $ 560 $ 1,062 $ 1,642
Income (loss) from continuing operations before income tax expense (benefit) from domestic and foreign operations	The Company’s income (loss) before income tax expense (benefit) was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Income (loss): U.S. $ (95) $ 5,785 $ 4,924 Non-U.S. 2,257 579 3,594 Total $ 2,162 $ 6,364 $ 8,518
Income tax for continuing operations effective rate reconciliation		The reconciliation of the income tax provision at the U.S. statutory rate to the provision for income tax as reported was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Tax provision at U.S. statutory rate $ 454 $ 1,337 $ 1,789 Tax effect of: Dividend received deduction (18) (20) (40) Tax-exempt income (34) 15 (36) Prior year tax (1) (12) (15) (127) Low income housing tax credits (116) (143) (178) Other tax credits (39) (44) (46) Foreign tax rate differential (2), (3), (4) 312 (85) 275 Changes in tax law (5) (198) — — Change in valuation allowance (5) 187 — 1 Other, net 24 17 4 Provision for income tax expense (benefit) $ 560 $ 1,062 $ 1,642 __________________ (1) As discussed further below, prior year tax primarily includes non-cash benefits related to uncertain tax positions of $32 million and $117 million for the years ended December 31, 2022 and 2021, respectively. (2) For the year ended December 31, 2023, foreign tax rate differential includes tax charges of $28 million related to the pending disposition of MetLife Malaysia and $22 million related to the U.S. tax on Global Intangible Low-Taxed Income (“GILTI”) of which $28 million is a current year charge, offset by a $6 million tax benefit revising the 2022 estimate. See Note 3 for further information on the Company’s business dispositions. (3) For the year ended December 31, 2022, foreign tax rate differential includes tax charges of $12 million related to the U.S. tax on GILTI of which $33 million is a current year charge, offset by a $21 million tax benefit revising the 2021 estimate. (4) For the year ended December 31, 2021, foreign tax rate differential includes tax charges of $50 million related to the disposition of MetLife Poland and Greece, $41 million related to the sale of MetLife Seguros and $30 million related to the U.S. tax on GILTI, which included a $42 million 2021 charge, offset by a $12 million tax benefit revising the 2020 estimate. See Note 3 for information on the Company’s business dispositions. (5)
Components of deferred tax assets and liabilities	Deferred income tax represents the tax effect of the differences between the book and tax bases of assets and liabilities. Net deferred income tax assets and liabilities consisted of the following at: December 31, 2023 2022 (In millions) Deferred income tax assets: Policyholder liabilities and receivables $ 3,476 $ 758 Net operating loss carryforwards (1) 256 238 Employee benefits 523 475 Capital loss carryforwards 29 15 Tax credit carryforwards (2) 82 590 Net unrealized investment losses 4,308 5,946 Litigation-related and government mandated 101 90 Other 393 67 Total gross deferred income tax assets 9,168 8,179 Less: Valuation allowance (1) 496 291 Total net deferred income tax assets 8,672 7,888 Deferred income tax liabilities: Investments, including derivatives 2,054 1,691 Intangibles 1,004 1,096 DAC 3,929 3,612 Total deferred income tax liabilities 6,987 6,399 Net deferred income tax asset (liability) $ 1,685 $ 1,489 __________________ (1) The Company has recorded a deferred tax asset of $256 million related to U.S. state and non-U.S. net operating loss carryforwards and an offsetting valuation allowance for the year ended December 31, 2023. Certain net operating loss carryforwards will expire between 2024 and 2042, whereas others have an unlimited carryforward period. The Company’s deferred tax asset for the year ended December 31, 2023 includes $198 million recognized due to the BCIT with an offsetting valuation allowance as management believes it is more likely than not that the deferred tax asset will not be realized. (2) Tax credit carryforwards for the year ended December 31, 2023 primarily reflect foreign tax credits which have no expiration date.
Reconciliation of unrecognized tax benefits	A reconciliation of the beginning and ending amount of unrecognized tax benefits was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Balance at January 1, $ 129 $ 163 $ 272 Additions for tax positions of prior years 27 42 19 Reductions for tax positions of prior years (1) (30) (93) (112) Additions for tax positions of current year 5 22 5 Reductions for tax positions of current year — (3) (18) Settlements with tax authorities — (2) (3) Balance at December 31, $ 131 $ 129 $ 163 Unrecognized tax benefits that, if recognized, would impact the effective rate $ 90 $ 80 $ 103 __________________ (1) For the years ended December 31, 2022 and 2021, primarily includes reductions related to non-cash benefits from tax audit settlements. Interest was as follows: Years Ended December 31, 2023 2022 2021 (In millions) Interest expense (benefit) recognized on the consolidated statements of operations (1) $ 7 $ — $ (36) December 31, 2023 2022 (In millions) Interest included in other liabilities on the consolidated balance sheets $ 22 $ 15 __________________ (1) For the year ended December 31, 2021, the interest benefit is primarily related to a tax audit settlement of $10 million which was recorded in other expenses and a reclassification of $26 million to current income tax payable.

Earnings Per Common Share (Tabl

Earnings Per Common Share (Tables)	12 Months Ended
	Dec. 31, 2023
Earnings Per Share [Abstract]
Earnings Per Common Share	The following table presents the weighted average shares, basic earnings per common share and diluted earnings per common share: Years Ended December 31, 2023 2022 2021 (In millions, except per share data) Weighted Average Shares: Weighted average common stock outstanding - basic 757.7 803.2 862.7 Incremental common shares from assumed exercise or issuance of stock-based awards 4.6 5.7 6.7 Weighted average common stock outstanding - diluted 762.3 808.9 869.4 Net Income (Loss): Net income (loss) $ 1,602 $ 5,302 $ 6,876 Less: Net income (loss) attributable to noncontrolling interests 24 18 21 Less: Preferred stock dividends 198 185 195 Preferred stock redemption premium — — 6 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1,380 $ 5,099 $ 6,654 Basic $ 1.82 $ 6.35 $ 7.71 Diluted $ 1.81 $ 6.30 $ 7.65

Contingencies, Commitments an_2

Contingencies, Commitments and Guarantees (Tables)	12 Months Ended
	Dec. 31, 2023
Asbestos Related Claims
Loss Contingencies [Line Items]
Schedule of Loss Contingencies by Contingency	The approximate total number of asbestos personal injury claims pending against MLIC as of the dates indicated, the approximate number of new claims during the years ended on those dates and the approximate total settlement payments made to resolve asbestos personal injury claims at or during those years are set forth in the following table: December 31, 2023 2022 2021 (In millions, except number of claims) Asbestos personal injury claims at year end 57,488 58,073 58,785 Number of new claims during the year 2,565 2,610 2,824 Settlement payments during the year (1) $ 50.6 $ 50.5 $ 53.0 __________________ (1) Settlement payments represent payments made by MLIC during the year in connection with settlements made in that year and in prior years. Amounts do not include MLIC’s attorneys’ fees and expenses.

Quarterly Results of Operatio_2

Quarterly Results of Operations (Unaudited) (Tables)	12 Months Ended
	Dec. 31, 2023
Quarterly Financial Information Disclosure [Abstract]
Quarterly Results of Operations (Unaudited) [Table Text Block]	The unaudited quarterly results of operations for 2023 and 2022 are summarized in the table below: Three Months Ended March 31, June 30, September 30, December 31, (In millions, except per share data) 2023 Total revenues $ 15,388 $ 16,623 $ 15,866 $ 19,028 Total expenses $ 15,131 $ 16,193 $ 15,332 $ 18,087 Net income (loss) $ 85 $ 408 $ 495 $ 614 Less: Net income (loss) attributable to noncontrolling interests $ 5 $ 6 $ 6 $ 7 Net income (loss) attributable to MetLife, Inc. $ 80 $ 402 $ 489 $ 607 Less: Preferred stock dividends $ 66 $ 32 $ 67 $ 33 Net income (loss) available to MetLife, Inc.’s common shareholders $ 14 $ 370 $ 422 $ 574 Basic earnings per common share Net income (loss) attributable to MetLife, Inc. $ 0.10 $ 0.52 $ 0.65 $ 0.82 Net income (loss) available to MetLife, Inc.’s common shareholders $ 0.02 $ 0.48 $ 0.56 $ 0.78 Diluted earnings per common share Net income (loss) attributable to MetLife, Inc. $ 0.10 $ 0.52 $ 0.65 $ 0.82 Net income (loss) available to MetLife, Inc.’s common shareholders $ 0.02 $ 0.48 $ 0.56 $ 0.77 2022 Total revenues $ 15,405 $ 15,474 $ 22,283 $ 15,608 Total expenses $ 13,470 $ 14,486 $ 20,868 $ 13,582 Net income (loss) $ 1,639 $ 915 $ 1,167 $ 1,581 Less: Net income (loss) attributable to noncontrolling interests $ 5 $ 5 $ 5 $ 3 Net income (loss) attributable to MetLife, Inc. $ 1,634 $ 910 $ 1,162 $ 1,578 Less: Preferred stock dividends $ 63 $ 29 $ 64 $ 29 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1,571 $ 881 $ 1,098 $ 1,549 Basic earnings per common share Net income (loss) attributable to MetLife, Inc. $ 1.98 $ 1.12 $ 1.46 $ 2.01 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1.91 $ 1.09 $ 1.38 $ 1.98 Diluted earnings per common share Net income (loss) attributable to MetLife, Inc. $ 1.97 $ 1.12 $ 1.45 $ 2.00 Net income (loss) available to MetLife, Inc.’s common shareholders $ 1.89 $ 1.08 $ 1.37 $ 1.96

Business, Basis of Presentati_3

Business, Basis of Presentation and Summary of Significant Accounting Policies -Upper-Medium Grade Discount Rate (Details)	Dec. 31, 2023
JAPAN
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	10
Republic of Korea
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	5
CHILE
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	10
Measurement Input, Credit Spread | JAPAN | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	10
Measurement Input, Credit Spread | JAPAN | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	30
Measurement Input, Credit Spread | Republic of Korea | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	5
Measurement Input, Credit Spread | Republic of Korea | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	30
Measurement Input, Credit Spread | CHILE | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	10
Measurement Input, Credit Spread | CHILE | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Liability For Future Policy Benefit, Upper-Medium Grade Discount Rate, Measurement Input	25

Business, Basis of Presentati_4

Business, Basis of Presentation and Summary of Significant Accounting Policies - Future Adoption (Details) - USD ($) $ in Millions	Jan. 01, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 30,253	$ 30,125	$ 50,013	$ 74,817
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					$ (22,424)
Cumulative Effect, Period of Adoption, Adjustment | Pro Forma | Accounting Standards Update 2023-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 250

Business, Basis of Presentati_5

Business, Basis of Presentation and Summary of Significant Accounting Policies - Summary Matrix (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables	$ 28,971	$ 17,364		$ 18,169
Deferred policy acquisition costs and value of business acquired	20,151	19,653	$ 19,806	20,417
Other assets	11,139	11,025		11,742
Future policy benefits	196,406	187,222		224,358
Policyholder account balance	219,269	210,597		211,737
Other Policy-Related Balances	19,736	18,424		18,032
Liability	3,179	3,763		7,901
Deferred income tax liability	927	950		4,723
Retained earnings	40,146	40,332		31,824
Accumulated other comprehensive income (loss)	$ (19,242)	(22,621)		315
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables		17,461			$ 17,870
Deferred policy acquisition costs and value of business acquired		22,983			16,389
Other assets		11,026			11,685
Future policy benefits		204,228			206,656
Policyholder account balance		203,082			205,176
Other Policy-Related Balances		19,651			17,101
Liability		0			0
Deferred income tax liability		325			11,008
Retained earnings		41,953			36,491
Accumulated other comprehensive income (loss)		$ (27,083)			$ 18,072
Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				(59)
Deferred policy acquisition costs and value of business acquired				0
Other assets				0
Future policy benefits				(1,818)
Policyholder account balance				(958)
Other Policy-Related Balances				(72)
Liability				2,789
Deferred income tax liability				0
Retained earnings				0
Accumulated other comprehensive income (loss)				0
Adjustments for the difference between previous carrying amount and fair value measurement for market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				(12)
Deferred policy acquisition costs and value of business acquired				0
Other assets				0
Future policy benefits				0
Policyholder account balance				0
Other Policy-Related Balances				0
Liability				5,112
Deferred income tax liability				(1,079)
Retained earnings				(4,121)
Accumulated other comprehensive income (loss)				76
Removal of related amounts in accumulated other comprehensive income
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				0
Deferred policy acquisition costs and value of business acquired				4,007
Other assets				42
Future policy benefits				(7,911)
Policyholder account balance				0
Other Policy-Related Balances				1,043
Liability				0
Deferred income tax liability				2,405
Retained earnings				0
Accumulated other comprehensive income (loss)				8,512
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				32
Deferred policy acquisition costs and value of business acquired				0
Other assets				0
Future policy benefits				719
Policyholder account balance				0
Other Policy-Related Balances				0
Liability				0
Deferred income tax liability				(160)
Retained earnings				(527)
Accumulated other comprehensive income (loss)				0
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				351
Deferred policy acquisition costs and value of business acquired				0
Other assets				0
Future policy benefits				34,119
Policyholder account balance				0
Other Policy-Related Balances				0
Liability				0
Deferred income tax liability				(7,438)
Retained earnings				0
Accumulated other comprehensive income (loss)				(26,330)
Adjustments for the cumulative effect of adoption on additional insurance assets and liabilities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				19
Deferred policy acquisition costs and value of business acquired				0
Other assets				0
Future policy benefits				83
Policyholder account balance				0
Other Policy-Related Balances				0
Liability				0
Deferred income tax liability				(13)
Retained earnings				(42)
Accumulated other comprehensive income (loss)				(9)
Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables				(32)
Deferred policy acquisition costs and value of business acquired				21
Other assets				15
Future policy benefits				(7,490)
Policyholder account balance				7,519
Other Policy-Related Balances				(40)
Liability				0
Deferred income tax liability				0
Retained earnings				23
Accumulated other comprehensive income (loss)				$ (6)

Business, Basis of Presentati_6

Business, Basis of Presentation and Summary of Significant Accounting Policies - Transition Table - Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables	$ 28,971	$ 17,364		$ 18,169
Asset	286	280
Deferred policy acquisition costs and value of business acquired	20,151	19,653	$ 19,806	20,417
Deferred income tax asset	2,612	2,439
Other assets	11,139	11,025		11,742
Total Assets	687,584	663,072
Future policy benefits	196,406	187,222		224,358
Policyholder account balance	219,269	210,597		211,737
Liability	3,179	3,763		7,901
Other Policy-Related Balances	19,736	18,424		18,032
Deferred income tax liability	927	950		4,723
Other liabilities	35,805	25,933
Total Liabilities	657,331	632,947
Retained earnings	40,146	40,332		31,824
Accumulated other comprehensive income (loss)	(19,242)	(22,621)		$ 315
Total MetLife, Inc.’s stockholders’ equity	30,015	29,881
Noncontrolling interests	238	244
Total equity	30,253	30,125	50,013		$ 74,817
Total liabilities and equity	$ 687,584	663,072
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables		17,461			17,870
Asset		0
Deferred policy acquisition costs and value of business acquired		22,983			16,389
Deferred income tax asset		2,830
Other assets		11,026			11,685
Total Assets		666,611
Future policy benefits		204,228			206,656
Policyholder account balance		203,082			205,176
Liability		0			0
Other Policy-Related Balances		19,651			17,101
Deferred income tax liability		325			11,008
Other liabilities		25,980
Total Liabilities		639,324
Retained earnings		41,953			36,491
Accumulated other comprehensive income (loss)		(27,083)			18,072
Total MetLife, Inc.’s stockholders’ equity		27,040
Noncontrolling interests		247
Total equity		27,287	$ 67,749		$ 74,817
Total liabilities and equity		666,611
Revision of Prior Period, Accounting Standards Update, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums, reinsurance and other receivables		(97)
Asset		280
Deferred policy acquisition costs and value of business acquired		(3,330)
Deferred income tax asset		(391)
Other assets		(1)
Total Assets		(3,539)
Future policy benefits		(17,006)
Policyholder account balance		7,515
Liability		3,763
Other Policy-Related Balances		(1,227)
Deferred income tax liability		625
Other liabilities		(47)
Total Liabilities		(6,377)
Retained earnings		(1,621)
Accumulated other comprehensive income (loss)		4,462
Total MetLife, Inc.’s stockholders’ equity		2,841
Noncontrolling interests		(3)
Total equity		2,838
Total liabilities and equity		$ (3,539)

Business, Basis of Presentati_7

Business, Basis of Presentation and Summary of Significant Accounting Policies - Transition Table - Income Statement (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums									$ 44,283	$ 48,510	$ 41,152
Universal life and investment-type product policy fees									5,152	5,225	5,244
Other revenues									2,526	2,630	2,619
Net investment gains (losses)									(2,824)	(1,260)	1,543
Net derivative gains (losses)									(2,140)	(2,251)	(3,257)
Total revenues	$ 19,028	$ 15,866	$ 16,623	$ 15,388	$ 15,608	$ 22,283	$ 15,474	$ 15,405	66,905	68,770	68,696
Policyholder benefits and claims									44,590	49,507	43,118
Policyholder liability remeasurement (gains) losses									(45)	114	(172)
Market Risk Benefit Remeasurement (Gains) Losses									(994)	(3,674)	(1,237)
Interest credited to policyholder account balances									7,860	3,894	5,571
Policyholder dividends									622	706	880
Other expenses									12,710	11,859	12,018
Total expenses	18,087	15,332	16,193	15,131	13,582	20,868	14,486	13,470	64,743	62,406	60,178
Income (loss) before provision for income tax									2,162	6,364	8,518
Provision for income tax expense (benefit)									560	1,062	1,642
Net income (loss)	614	495	408	85	1,581	1,167	915	1,639	1,602	5,302	6,876
Net Income (Loss) Attributable to Noncontrolling Interest	7	6	6	5	3	5	5	5	24	18	21
Net income (loss) attributable to MetLife, Inc.	607	489	402	80	1,578	1,162	910	1,634	1,578	5,284	6,855
Net income (loss) available to MetLife, Inc.’s common shareholders	$ 574	$ 422	$ 370	$ 14	$ 1,549	$ 1,098	$ 881	$ 1,571	$ 1,380	$ 5,099	$ 6,654
Basic	$ 0.78	$ 0.56	$ 0.48	$ 0.02	$ 1.98	$ 1.38	$ 1.09	$ 1.91	$ 1.82	$ 6.35	$ 7.71
Diluted	$ 0.77	$ 0.56	$ 0.48	$ 0.02	$ 1.96	$ 1.37	$ 1.08	$ 1.89	$ 1.81	$ 6.30	$ 7.65
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums										$ 49,397	$ 42,009
Universal life and investment-type product policy fees										5,585	5,756
Other revenues										2,634	2,619
Net investment gains (losses)										(1,262)	1,529
Net derivative gains (losses)										(2,372)	(2,228)
Total revenues										69,898	71,080
Policyholder benefits and claims										50,612	43,954
Policyholder liability remeasurement (gains) losses										0	0
Market Risk Benefit Remeasurement (Gains) Losses										0	0
Interest credited to policyholder account balances										3,692	5,538
Policyholder dividends										701	876
Other expenses										12,034	12,586
Total expenses										67,039	62,954
Income (loss) before provision for income tax										2,859	8,126
Provision for income tax expense (benefit)										301	1,551
Net income (loss)										2,558	6,575
Net Income (Loss) Attributable to Noncontrolling Interest										19	21
Net income (loss) attributable to MetLife, Inc.										2,539	6,554
Net income (loss) available to MetLife, Inc.’s common shareholders										$ 2,354	$ 6,353
Basic										$ 2.93	$ 7.36
Diluted										$ 2.91	$ 7.31
Revision of Prior Period, Accounting Standards Update, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Premiums										$ (887)	$ (857)
Universal life and investment-type product policy fees										(360)	(512)
Other revenues										(4)	0
Net investment gains (losses)										2	14
Net derivative gains (losses)										121	(1,029)
Total revenues										(1,128)	(2,384)
Policyholder benefits and claims										(1,105)	(836)
Policyholder liability remeasurement (gains) losses										114	(172)
Market Risk Benefit Remeasurement (Gains) Losses										(3,674)	(1,237)
Interest credited to policyholder account balances										202	33
Policyholder dividends										5	4
Other expenses										(175)	(568)
Total expenses										(4,633)	(2,776)
Income (loss) before provision for income tax										3,505	392
Provision for income tax expense (benefit)										761	91
Net income (loss)										2,744	301
Net Income (Loss) Attributable to Noncontrolling Interest										(1)	0
Net income (loss) attributable to MetLife, Inc.										2,745	301
Net income (loss) available to MetLife, Inc.’s common shareholders										$ 2,745	$ 301
Basic										$ 3.42	$ 0.35
Diluted										$ 3.39	$ 0.34

Business, Basis of Presentati_8

Business, Basis of Presentation and Summary of Significant Accounting Policies - Transition Table - SOE (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 30,253				$ 30,125				$ 30,253	$ 30,125	$ 50,013	$ 74,817
Net income (loss)	614	$ 495	$ 408	$ 85	1,581	$ 1,167	$ 915	$ 1,639	1,602	5,302	6,876
Other Comprehensive Income (Loss), Net of Tax									3,361	(20,177)	(2,763)
Change in equity of noncontrolling interests									(12)	(34)	(16)
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(22,424)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	40,146				40,332				40,146	40,332	36,831	36,491
Net income (loss)									1,578	5,284	6,855	6,855
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(4,667)
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(19,242)				(22,621)				(19,242)	(22,621)	(2,451)	18,072	$ 315
Other Comprehensive Income (Loss), Net of Tax									3,379	(20,170)	(2,766)	(2,766)
Accumulated Other Comprehensive Income (Loss) | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(17,757)
Total MetLife, Inc.'s Stockholders' Equity
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	30,015				29,881				30,015	29,881	49,746	74,558
Net income (loss)									1,578	5,284	6,855
Other Comprehensive Income (Loss), Net of Tax									3,379	(20,170)	(2,766)
Change in equity of noncontrolling interests									0	0	0
Total MetLife, Inc.'s Stockholders' Equity | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(22,424)
Noncontrolling Interests
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 238				244				238	244	267	259
Net income (loss)									24	18	21
Other Comprehensive Income (Loss), Net of Tax									(18)	(7)	3
Change in equity of noncontrolling interests									$ (12)	(34)	(16)
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					27,287					27,287	67,749	74,817
Net income (loss)										2,558	6,575
Other Comprehensive Income (Loss), Net of Tax										(38,008)	(7,150)
Change in equity of noncontrolling interests										(33)
Previously Reported | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												0
Previously Reported | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					41,953					41,953	41,197	36,491
Net income (loss)										2,539		6,554
Previously Reported | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												0
Previously Reported | Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					(27,083)					(27,083)	10,919	18,072
Other Comprehensive Income (Loss), Net of Tax										(38,002)		(7,153)
Previously Reported | Accumulated Other Comprehensive Income (Loss) | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												0
Previously Reported | Total MetLife, Inc.'s Stockholders' Equity
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					27,040					27,040	67,482	74,558
Net income (loss)										2,539	6,554
Other Comprehensive Income (Loss), Net of Tax										(38,002)	(7,153)
Previously Reported | Total MetLife, Inc.'s Stockholders' Equity | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												0
Previously Reported | Noncontrolling Interests
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					247					247	267
Net income (loss)										19
Other Comprehensive Income (Loss), Net of Tax										(6)
Change in equity of noncontrolling interests										(33)
Restatement Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					2,838					2,838	(17,736)	0
Net income (loss)										2,744	301
Other Comprehensive Income (Loss), Net of Tax										17,831	4,387
Change in equity of noncontrolling interests										(1)
Restatement Adjustment | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(22,424)
Restatement Adjustment | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					(1,621)					(1,621)	(4,366)	0
Net income (loss)										2,745		301
Restatement Adjustment | Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(4,667)
Restatement Adjustment | Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					4,462					4,462	(13,370)	0
Other Comprehensive Income (Loss), Net of Tax										17,832		4,387
Restatement Adjustment | Accumulated Other Comprehensive Income (Loss) | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												(17,757)
Restatement Adjustment | Total MetLife, Inc.'s Stockholders' Equity
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					2,841					2,841	(17,736)	0
Net income (loss)										2,745	301
Other Comprehensive Income (Loss), Net of Tax										17,832	4,387
Restatement Adjustment | Total MetLife, Inc.'s Stockholders' Equity | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest												$ (22,424)
Restatement Adjustment | Noncontrolling Interests
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					$ (3)					(3)	$ 0
Net income (loss)										(1)
Other Comprehensive Income (Loss), Net of Tax										(1)
Change in equity of noncontrolling interests										$ (1)

Business, Basis of Presentati_9

Business, Basis of Presentation and Summary of Significant Accounting Policies - Transition Table - SCF (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	$ 1,602	$ 5,302	$ 6,876
Accretion (Amortization) of Discounts and Premiums, Investments									(1,332)	(992)	(874)
(Gains) losses on investments and from sales of businesses, net									2,800	1,260	(1,543)
(Gains) losses on derivatives, net									3,259	4,150	4,676
Interest credited to policyholder account balances									7,970	3,771	5,628
Insurance Commissions and Fees1									(4,031)	(3,969)	(3,663)
Increase (Decrease) in Accounts and Other Receivables									(1,952)	299	362
Change in market risk benefits									(658)	(3,347)	(839)
Increase (Decrease) in Deferred Policy Acquisition Costs									(660)	(800)	(708)
Increase (Decrease) in Income Taxes Payable									(1,177)	198	856
Increase (Decrease) in Other Operating Assets									(124)	138	(1,008)
Increase (Decrease) in Insurance Liabilities									4,637	3,937	5,002
Increase (Decrease) in Other Operating Liabilities									2,115	360	68
Other, net									197	245	113
Net Cash Provided by (Used in) Operating Activities									13,721	13,044	12,347
Policyholder account balances: Deposits									95,587	103,901	97,206
Policyholder account balances: Withdrawals									(90,876)	(98,591)	(93,130)
Net cash provided by (used in) financing activities									$ (2,940)	(9,948)	(1,126)
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)										2,558	6,575
Accretion (Amortization) of Discounts and Premiums, Investments										(960)	(855)
(Gains) losses on investments and from sales of businesses, net										1,262	(1,529)
(Gains) losses on derivatives, net										4,317	4,190
Interest credited to policyholder account balances										3,737	5,490
Insurance Commissions and Fees1										(3,970)	(3,638)
Increase (Decrease) in Accounts and Other Receivables										256	389
Change in market risk benefits										0	0
Increase (Decrease) in Deferred Policy Acquisition Costs										(568)	(106)
Increase (Decrease) in Income Taxes Payable										(591)	598
Increase (Decrease) in Other Operating Assets										27	(681)
Increase (Decrease) in Insurance Liabilities										4,058	4,553
Increase (Decrease) in Other Operating Liabilities										341	71
Other, net										245	138
Net Cash Provided by (Used in) Operating Activities										13,204	12,596
Policyholder account balances: Deposits										103,036	96,367
Policyholder account balances: Withdrawals										(97,886)	(92,540)
Net cash provided by (used in) financing activities										(10,108)	(1,375)
Revision of Prior Period, Accounting Standards Update, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)										2,744	301
Accretion (Amortization) of Discounts and Premiums, Investments										(32)	(19)
(Gains) losses on investments and from sales of businesses, net										(2)	(14)
(Gains) losses on derivatives, net										(167)	486
Interest credited to policyholder account balances										34	138
Insurance Commissions and Fees1										1	(25)
Increase (Decrease) in Accounts and Other Receivables										43	(27)
Change in market risk benefits										(3,347)	(839)
Increase (Decrease) in Deferred Policy Acquisition Costs										(232)	(602)
Increase (Decrease) in Income Taxes Payable										789	258
Increase (Decrease) in Other Operating Assets										111	(327)
Increase (Decrease) in Insurance Liabilities										(121)	449
Increase (Decrease) in Other Operating Liabilities										19	(3)
Other, net										0	(25)
Net Cash Provided by (Used in) Operating Activities										(160)	(249)
Policyholder account balances: Deposits										865	839
Policyholder account balances: Withdrawals										(705)	(590)
Net cash provided by (used in) financing activities										$ 160	$ 249

Business, Basis of Presentat_10

Business, Basis of Presentation and Summary of Significant Accounting Policies - Transition Table - SOCI (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	$ 1,602	$ 5,302	$ 6,876
Change in Gross Unrealized Temporary Loss									10,325	(56,497)	(12,840)
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, before Tax									(4,361)	31,804	10,102
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments, before Tax									(102)	(219)	257
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax									(1,811)	(85)	137
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax									296	(1,238)	(1,266)
Other Comprehensive Income (Loss), before Tax									4,259	(25,956)	(3,282)
Other Comprehensive Income (Loss), Tax									(898)	5,779	519
Other Comprehensive Income (Loss), Net of Tax									3,361	(20,177)	(2,763)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									4,963	(14,875)	4,113
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest									6	11	24
Comprehensive income (loss)									$ 4,957	(14,886)	4,089
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)										2,558	6,575
Change in Gross Unrealized Temporary Loss										(47,831)	(8,171)
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, before Tax										0	0
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments, before Tax										0	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax										(1,242)	(1,306)
Other Comprehensive Income (Loss), before Tax										(48,879)	(9,012)
Other Comprehensive Income (Loss), Tax										10,871	1,862
Other Comprehensive Income (Loss), Net of Tax										(38,008)	(7,150)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest										(35,450)	(575)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest										13	24
Comprehensive income (loss)										(35,463)	(599)
Restatement Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income (loss)										2,744	301
Change in Gross Unrealized Temporary Loss										(8,666)	(4,669)
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, before Tax										31,804	10,102
OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments, before Tax										(219)	257
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax										4	40
Other Comprehensive Income (Loss), before Tax										22,923	5,730
Other Comprehensive Income (Loss), Tax										(5,092)	(1,343)
Other Comprehensive Income (Loss), Net of Tax										17,831	4,387
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest										20,575	4,688
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest										(2)	0
Comprehensive income (loss)										$ 20,577	$ 4,688

Business, Basis of Presentat_11

Business, Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) Segment	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2021 USD ($)	Dec. 31, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of segments		6		6
Finite-Lived Intangible Assets [Line Items]
Operating Lease, Right-of-Use Asset, Amortization Expense			$ 0		$ 3	$ 45
Policyholder Account Balance, Guaranteed Minimum Credit Rating	$ 219,269	$ 219,269	219,269	$ 219,269	210,597		$ 211,737
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating	219,269	219,269	219,269	219,269	210,597		211,737
Deferred Sale Inducement Cost	146	146	146	146	133
Property, Plant and Equipment, Capitalized Computer Software, Gross	7,300	7,300	7,300	7,300	6,900
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment and Capitalized Computer Software	$ 4,800	4,800	4,800	4,800	4,400
Depreciation and Capitalized Computer Software, Amortization			470		423	426
Maximum
Real Estate Held-for-investment And Accumulated Depreciation [Line Items]
Real Estate Held-for-investment And Accumulated Depreciation Life Used For Depreciation	55 years
Other balance sheet reclassifications upon adoption of the LDTI standard
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating							7,519
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating							7,519
Annuities and Risk Solutions | Retirement and Income Solutions
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating	$ 17,711	17,711	17,711	17,711	15,549	14,431	13,643	$ 13,643
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating	$ 17,711	$ 17,711	$ 17,711	$ 17,711	$ 15,549	$ 14,431	13,643	13,643
Annuities and Risk Solutions | Other balance sheet reclassifications upon adoption of the LDTI standard | Retirement and Income Solutions
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating							7,417	7,400
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating							$ 7,417	$ 7,400
Building | Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	40 years	40 years	40 years	40 years
Leasehold Improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	20 years	20 years	20 years	20 years
VODA and VOCRA | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization period	9 years	9 years	9 years	9 years
VODA and VOCRA | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization period	40 years	40 years	40 years	40 years
Computer Software, Intangible Asset | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization period	4 years	4 years	4 years	4 years

Segment Information (Earnings)

Segment Information (Earnings) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Premiums									$ 44,283	$ 48,510	$ 41,152
Universal life and investment-type product policy fees									5,152	5,225	5,244
Net investment income									19,908	15,916	21,395
Other revenues									2,526	2,630	2,619
Net investment gains (losses)									(2,824)	(1,260)	1,543
Net derivative gains (losses)									(2,140)	(2,251)	(3,257)
Total revenues	$ 19,028	$ 15,866	$ 16,623	$ 15,388	$ 15,608	$ 22,283	$ 15,474	$ 15,405	66,905	68,770	68,696
Expenses
Policyholder benefits and claims and policyholder dividends									45,212	50,213	43,998
Policyholder liability remeasurement (gains) losses									45	(114)	172
Market Risk Benefit Remeasurement (Gains) Losses									(994)	(3,674)	(1,237)
Interest credited to policyholder account balances									7,860	3,894	5,571
Capitalization of DAC									(2,917)	(2,614)	(2,751)
Amortization of DAC and VOBA									1,952	1,831	2,037
Amortization of negative VOBA									(26)	(29)	(35)
Interest expense on debt									1,045	938	920
Other expenses									12,656	11,733	11,847
Total expenses	18,087	15,332	16,193	15,131	13,582	20,868	14,486	13,470	64,743	62,406	60,178
Provision for income tax expense (benefit)									560	1,062	1,642
Net income (loss)	614	$ 495	$ 408	$ 85	1,581	$ 1,167	$ 915	$ 1,639	1,602	5,302	6,876
Total Assets	687,584				663,072				687,584	663,072
Separate account assets	144,634				146,038				144,634	146,038
Separate account liabilities	144,634				146,038				144,634	146,038
Group Benefits
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Capitalization of DAC									(20)	(18)	(19)
Amortization of DAC and VOBA									26	26	26
Total Assets	36,715				35,849				36,715	35,849
Separate account assets	1,159				990				1,159	990
Separate account liabilities	1,159				990				1,159	990
Retirement and Income Solutions
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									(29)	(314)	96
Capitalization of DAC									(176)	(113)	(95)
Amortization of DAC and VOBA									49	40	37
Total Assets	218,587				216,370				218,587	216,370
Separate account assets	53,093				60,040				53,093	60,040
Separate account liabilities	53,093				60,040				53,093	60,040
Asia
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									(43)	(90)	(48)
Capitalization of DAC									(1,583)	(1,530)	(1,601)
Amortization of DAC and VOBA									794	745	786
Total Assets	157,206				148,305				157,206	148,305
Separate account assets	9,187				8,292				9,187	8,292
Separate account liabilities	9,187				8,292				9,187	8,292
Latin America
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Capitalization of DAC									(651)	(494)	(406)
Amortization of DAC and VOBA									468	410	372
Total Assets	69,177				63,687				69,177	63,687
Separate account assets	41,320				39,428				41,320	39,428
Separate account liabilities	41,320				39,428				41,320	39,428
EMEA
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									(40)	(126)	(120)
Capitalization of DAC									(457)	(422)	(499)
Amortization of DAC and VOBA									348	331	389
Total Assets	18,596				16,860				18,596	16,860
Separate account assets	4,327				3,314				4,327	3,314
Separate account liabilities	4,327				3,314				4,327	3,314
MetLife Holdings
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									(882)	(3,144)	(1,161)
Capitalization of DAC									(22)	(29)	(31)
Amortization of DAC and VOBA									258	270	320
Total Assets	148,524				148,749				148,524	148,749
Separate account assets	35,548				33,974				35,548	33,974
Separate account liabilities	35,548				33,974				35,548	33,974
Corporate & Other
Expenses
Market Risk Benefit Remeasurement (Gains) Losses									0	0	(4)
Capitalization of DAC									(8)	(8)	(100)
Amortization of DAC and VOBA									9	9	107
Total Assets	38,779				33,252				38,779	33,252
Separate account assets	0				0				0	0
Separate account liabilities	$ 0				$ 0				0	0
Operating Segments
Revenues
Premiums									44,283	48,469	40,170
Universal life and investment-type product policy fees									5,152	5,214	5,218
Net investment income									19,749	18,189	21,280
Other revenues									2,531	2,467	2,376
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									71,715	74,339	69,044
Expenses
Policyholder benefits and claims and policyholder dividends									45,217	49,729	42,891
Policyholder liability remeasurement (gains) losses									45	(114)	173
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									6,609	5,279	4,846
Capitalization of DAC									(2,917)	(2,603)	(2,632)
Amortization of DAC and VOBA									1,952	1,823	1,911
Amortization of negative VOBA									(26)	(29)	(35)
Interest expense on debt									1,045	938	919
Other expenses									12,563	11,468	11,283
Total expenses									64,398	66,719	59,010
Provision for income tax expense (benefit)									1,594	1,642	1,936
Adjusted earnings									5,723	5,978	8,098
Operating Segments | Group Benefits
Revenues
Premiums									21,558	21,051	20,475
Universal life and investment-type product policy fees									878	855	829
Net investment income									1,301	1,136	1,160
Other revenues									1,493	1,360	1,239
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									25,230	24,402	23,703
Expenses
Policyholder benefits and claims and policyholder dividends									19,164	19,076	19,807
Policyholder liability remeasurement (gains) losses									28	(7)	5
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									193	143	127
Capitalization of DAC									(20)	(18)	(19)
Amortization of DAC and VOBA									26	26	26
Amortization of negative VOBA									0	0	0
Interest expense on debt									2	1	1
Other expenses									3,796	3,478	3,177
Total expenses									23,133	22,713	23,114
Provision for income tax expense (benefit)									442	357	126
Adjusted earnings									1,655	1,332	463
Operating Segments | Retirement and Income Solutions
Revenues
Premiums									8,248	13,619	5,023
Universal life and investment-type product policy fees									313	303	311
Net investment income									7,803	6,204	6,888
Other revenues									271	392	299
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									16,635	20,518	12,521
Expenses
Policyholder benefits and claims and policyholder dividends									11,269	16,163	7,330
Policyholder liability remeasurement (gains) losses									131	36	31
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									2,887	1,914	1,550
Capitalization of DAC									(176)	(113)	(95)
Amortization of DAC and VOBA									49	40	37
Amortization of negative VOBA									0	0	0
Interest expense on debt									14	8	6
Other expenses									565	484	455
Total expenses									14,477	18,460	9,252
Provision for income tax expense (benefit)									450	423	678
Adjusted earnings									1,708	1,635	2,591
Operating Segments | Asia
Revenues
Premiums									5,251	5,563	6,421
Universal life and investment-type product policy fees									1,632	1,693	1,626
Net investment income									3,957	3,909	5,052
Other revenues									86	90	73
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									10,926	11,255	13,172
Expenses
Policyholder benefits and claims and policyholder dividends									4,333	4,564	5,251
Policyholder liability remeasurement (gains) losses									(105)	(69)	152
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									2,301	2,003	1,994
Capitalization of DAC									(1,583)	(1,530)	(1,601)
Amortization of DAC and VOBA									794	745	786
Amortization of negative VOBA									(22)	(24)	(28)
Interest expense on debt									0	0	0
Other expenses									3,158	3,153	3,388
Total expenses									9,086	8,980	9,638
Provision for income tax expense (benefit)									558	658	1,017
Adjusted earnings									1,282	1,617	2,517
Operating Segments | Latin America
Revenues
Premiums									4,287	3,224	2,609
Universal life and investment-type product policy fees									1,398	1,175	1,140
Net investment income									1,644	1,593	1,271
Other revenues									42	39	41
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									7,371	6,031	5,061
Expenses
Policyholder benefits and claims and policyholder dividends									4,094	3,320	3,155
Policyholder liability remeasurement (gains) losses									25	21	33
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									426	335	249
Capitalization of DAC									(651)	(494)	(406)
Amortization of DAC and VOBA									468	410	372
Amortization of negative VOBA									0	0	0
Interest expense on debt									11	12	5
Other expenses									1,911	1,520	1,385
Total expenses									6,234	5,082	4,727
Provision for income tax expense (benefit)									297	220	60
Adjusted earnings									840	729	274
Operating Segments | EMEA
Revenues
Premiums									2,016	1,962	2,274
Universal life and investment-type product policy fees									298	284	387
Net investment income									197	160	215
Other revenues									32	35	47
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									2,543	2,441	2,923
Expenses
Policyholder benefits and claims and policyholder dividends									984	976	1,196
Policyholder liability remeasurement (gains) losses									3	6	(32)
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									72	71	86
Capitalization of DAC									(457)	(411)	(469)
Amortization of DAC and VOBA									348	323	361
Amortization of negative VOBA									(4)	(5)	(7)
Interest expense on debt									0	0	0
Other expenses									1,260	1,171	1,324
Total expenses									2,200	2,119	2,523
Provision for income tax expense (benefit)									78	73	94
Adjusted earnings									265	249	306
Operating Segments | MetLife Holdings
Revenues
Premiums									2,881	3,066	3,333
Universal life and investment-type product policy fees									632	902	923
Net investment income									4,494	4,914	6,385
Other revenues									195	155	257
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									8,202	9,037	10,898
Expenses
Policyholder benefits and claims and policyholder dividends									5,350	5,636	6,118
Policyholder liability remeasurement (gains) losses									(37)	(101)	(16)
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									730	813	840
Capitalization of DAC									(22)	(29)	(31)
Amortization of DAC and VOBA									258	270	320
Amortization of negative VOBA									0	0	0
Interest expense on debt									13	8	5
Other expenses									927	953	992
Total expenses									7,293	7,752	8,260
Provision for income tax expense (benefit)									176	254	535
Adjusted earnings									733	1,031	2,103
Operating Segments | Corporate & Other
Revenues
Premiums									42	(16)	35
Universal life and investment-type product policy fees									1	2	2
Net investment income									353	273	309
Other revenues									412	396	420
Net investment gains (losses)									0	0	0
Net derivative gains (losses)									0	0	0
Total revenues									808	655	766
Expenses
Policyholder benefits and claims and policyholder dividends									23	(6)	34
Policyholder liability remeasurement (gains) losses									0	0	0
Market Risk Benefit Remeasurement (Gains) Losses									0	0	0
Interest credited to policyholder account balances									0	0	0
Capitalization of DAC									(8)	(8)	(11)
Amortization of DAC and VOBA									9	9	9
Amortization of negative VOBA									0	0	0
Interest expense on debt									1,005	909	902
Other expenses									946	709	562
Total expenses									1,975	1,613	1,496
Provision for income tax expense (benefit)									(407)	(343)	(574)
Adjusted earnings									(760)	(615)	(156)
Significant Reconciling Items
Revenues
Premiums									0	41	982
Universal life and investment-type product policy fees									0	11	26
Net investment income									159	(2,273)	115
Other revenues									(5)	163	243
Net investment gains (losses)									(2,824)	(1,260)	1,543
Net derivative gains (losses)									(2,140)	(2,251)	(3,257)
Total revenues									(4,810)	(5,569)	(348)
Expenses
Policyholder benefits and claims and policyholder dividends									(5)	484	1,107
Policyholder liability remeasurement (gains) losses									0	0	(1)
Market Risk Benefit Remeasurement (Gains) Losses									(994)	(3,674)	(1,237)
Interest credited to policyholder account balances									1,251	(1,385)	725
Capitalization of DAC									0	(11)	(119)
Amortization of DAC and VOBA									0	8	126
Amortization of negative VOBA									0	0	0
Interest expense on debt									0	0	1
Other expenses									93	265	564
Total expenses									345	(4,313)	1,168
Provision for income tax expense (benefit)									$ (1,034)	$ (580)	$ (294)

Segment Information (Total Asse

Segment Information (Total Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Separate account assets	$ 144,634	$ 146,038
Separate account liabilities	144,634	146,038
Total assets (1),(2)	687,584	663,072
Group Benefits
Segment Reporting Information [Line Items]
Separate account assets	1,159	990
Separate account liabilities	1,159	990
Total assets (1),(2)	$ 36,715	$ 35,849
Net investment income from equity method investments	0%	1%	5%
Equity Method Invested Assets	1%
Retirement and Income Solutions
Segment Reporting Information [Line Items]
Separate account assets	$ 53,093	$ 60,040
Separate account liabilities	53,093	60,040
Total assets (1),(2)	$ 218,587	$ 216,370
Net investment income from equity method investments	1%	6%	26%
Equity Method Invested Assets	3%
Asia
Segment Reporting Information [Line Items]
Separate account assets	$ 9,187	$ 8,292
Separate account liabilities	9,187	8,292
Total assets (1),(2)	$ 157,206	$ 148,305
Net investment income from equity method investments	4%	12%	30%
Equity Method Invested Assets	6%
Latin America
Segment Reporting Information [Line Items]
Separate account assets	$ 41,320	$ 39,428
Separate account liabilities	41,320	39,428
Total assets (1),(2)	$ 69,177	$ 63,687
Net investment income from equity method investments	1%	3%	7%
Equity Method Invested Assets	0%
EMEA
Segment Reporting Information [Line Items]
Separate account assets	$ 4,327	$ 3,314
Separate account liabilities	4,327	3,314
Total assets (1),(2)	18,596	16,860
MetLife Holdings
Segment Reporting Information [Line Items]
Separate account assets	35,548	33,974
Separate account liabilities	35,548	33,974
Total assets (1),(2)	$ 148,524	$ 148,749
Net investment income from equity method investments	2%	6%	26%
Equity Method Invested Assets	4%
Corporate & Other
Segment Reporting Information [Line Items]
Separate account assets	$ 0	$ 0
Separate account liabilities	0	0
Total assets (1),(2)	$ 38,779	$ 33,252

Segment Information (Product Ta

Segment Information (Product Table) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	$ 51,961	$ 56,365	$ 49,015
Life insurance
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	22,111	21,728	22,742
Accident & health insurance
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	18,014	17,441	17,367
Annuities
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	10,193	15,657	6,394
Other
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	$ 1,643	$ 1,539	$ 2,512

Segment Information (Premiums,

Segment Information (Premiums, Fees and Other Revenues by US and Foreign Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	$ 51,961	$ 56,365	$ 49,015
UNITED STATES
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	36,869	42,250	34,191
Japan
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	5,020	5,460	6,183
Other Foreign
Segment Reporting Information [Line Items]
Premiums, Fees & Other Revenues	$ 10,072	$ 8,655	$ 8,641

Segment Information (Narrative)

Segment Information (Narrative) (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) Segment	Dec. 31, 2023 USD ($) segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of segments										6	6
Segment Reporting Information [Line Items]
Total assets (1),(2)	$ 687,584				$ 663,072				$ 687,584	$ 687,584	$ 687,584	$ 687,584	$ 663,072
Total revenues	19,028	$ 15,866	$ 16,623	$ 15,388	15,608	$ 22,283	$ 15,474	$ 15,405	66,905				68,770	$ 68,696
Number of Reportable Segments										6	6
Retirement and Income Solutions
Segment Reporting Information [Line Items]
Total assets (1),(2)	218,587				216,370				218,587	$ 218,587	$ 218,587	$ 218,587	$ 216,370
Net investment income from equity method investments												1%	6%	26%
Asia
Segment Reporting Information [Line Items]
Total assets (1),(2)	157,206				148,305				157,206	157,206	157,206	$ 157,206	$ 148,305
Net investment income from equity method investments												4%	12%	30%
Latin America
Segment Reporting Information [Line Items]
Total assets (1),(2)	69,177				63,687				69,177	69,177	69,177	$ 69,177	$ 63,687
Net investment income from equity method investments												1%	3%	7%
MetLife Holdings
Segment Reporting Information [Line Items]
Total assets (1),(2)	148,524				148,749				148,524	148,524	148,524	$ 148,524	$ 148,749
Net investment income from equity method investments												2%	6%	26%
Group Benefits
Segment Reporting Information [Line Items]
Total assets (1),(2)	36,715				35,849				36,715	36,715	36,715	$ 36,715	$ 35,849
Net investment income from equity method investments												0%	1%	5%
One.U.S.Customer | Retirement and Income Solutions
Segment Reporting Information [Line Items]
Total revenues									8,100
Japan
Segment Reporting Information [Line Items]
Total assets (1),(2)	$ 132,200				$ 125,100				$ 132,200	$ 132,200	$ 132,200	$ 132,200	$ 125,100
Assets, Total | Geographic Concentration Risk | Japan
Segment Reporting Information [Line Items]
Concentration Risk, Percentage												19%	19%
Revenue Benchmark | Customer Concentration Risk | One.U.S.Customer | Retirement and Income Solutions
Segment Reporting Information [Line Items]
Concentration Risk, Percentage												14%
Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration Risk, Benchmark Description													10	10

Pending Disposition of MetLife

Pending Disposition of MetLife Malaysia (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
MetLife Malaysia
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal	$ (136)

Disposition of MetLife Seguros

Disposition of MetLife Seguros S.A. (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	$ 1,602	$ 5,302	$ 6,876
MetLife Seguros S.A
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss)											$ (205)

Disposition of MetLife Poland a

Disposition of MetLife Poland and Greece - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net investment gains (losses)	$ (2,824)	$ (1,260)	$ 1,543
Income (loss) from continuing operations before provision for income tax	$ 2,162	6,364	8,518
MetLife Poland and Greece
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Agreed upon proceeds from divestiture of business.				$ 738
Dividends Receivable				$ 43
Net investment gains (losses)		(25)
Gain (Loss) on Disposition of Business		(239)
Income (loss) from continuing operations before provision for income tax		$ 19	$ 50

Disposition of Metropolitan Pro

Disposition of Metropolitan Property and Casualty Insurance Company - Narrative (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net investment gains (losses)									$ (2,824)	$ (1,260)	$ 1,543
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	1,602	5,302	6,876
Income (loss) from continuing operations before provision for income tax									$ 2,162	$ 6,364	8,518
Metropolitan Property and Casualty Insurance Company
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses											3,900	$ 3,900
Net investment gains (losses)											1,400
Net income (loss)											1,000
Income (loss) from continuing operations before provision for income tax											$ 121

Future Policy Benefits - Transi

Future Policy Benefits - Transition Tables (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	$ 196,406	$ 187,222		$ 224,358
Removal of additional insurance liabilities for separate presentation					$ (6,565)
Subtotal - pre-adoption balance, excluding additional liabilities					200,091
FPB Removal of related amounts in accumulated other comprehensive income				(7,911)
Reclassification of carrying amount of contracts and contract features that are market risk benefits				(176)
FPB traditional and limited-payment contracts				214,694
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				719
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				(7,490)
Removal of remeasured deferred profit liabilities for separate presentation				(4,658)
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				34,119
Balance, deferred profit liabilities at January 1, 2021				4,658
Ceded Recoverables on traditional and limited-payment contracts				1,684
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				351
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				32
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				14
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Cash Flow and Reinsurance				5,006	6,565
Ceded recoverables on additional insurance liabilities				720	727
Ceded Recoverable Reclassification of carrying amount of contracts and contract features that are reinsured market risk benefits				(8)
Ceded Recoverable Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities				1
Additional Insurance Liabilities Reclassification of carrying amount of contracts and contract features that are market risk benefits				(1,642)
Additional Insurance Liabilities Adjustments for the cumulative effect of adoption on additional insurance liabilities				83
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					206,656
Ceded Recoverables on traditional and limited-payment contracts					1,287
Fixed & Immediate Annuities | Retirement and Income Solutions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	64,324	58,495	$ 63,681
Removal of additional insurance liabilities for separate presentation					(4)
Subtotal - pre-adoption balance, excluding additional liabilities					66,026
FPB Removal of related amounts in accumulated other comprehensive income				(5,914)
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				65,970
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				337
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				(7,416)
Removal of remeasured deferred profit liabilities for separate presentation				(2,897)
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				15,834
Balance, deferred profit liabilities at January 1, 2021				2,897
Ceded Recoverables on traditional and limited-payment contracts				344
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				135
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				0
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				6
Fixed & Immediate Annuities | Retirement and Income Solutions | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					66,030
Ceded Recoverables on traditional and limited-payment contracts					203
Whole and Term Life & Endowments | Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	12,874	12,792	18,472
Removal of additional insurance liabilities for separate presentation					0
Subtotal - pre-adoption balance, excluding additional liabilities					17,990
FPB Removal of related amounts in accumulated other comprehensive income				0
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				22,206
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				51
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				4
Removal of remeasured deferred profit liabilities for separate presentation				(225)
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				4,386
Balance, deferred profit liabilities at January 1, 2021				225
Ceded Recoverables on traditional and limited-payment contracts				(15)
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				(15)
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				0
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				0
Whole and Term Life & Endowments | Asia | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					17,990
Ceded Recoverables on traditional and limited-payment contracts					0
Accident & health insurance | Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	10,712	10,040	15,399
Removal of additional insurance liabilities for separate presentation					0
Subtotal - pre-adoption balance, excluding additional liabilities					16,330
FPB Removal of related amounts in accumulated other comprehensive income				0
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				16,125
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				154
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				47
Removal of remeasured deferred profit liabilities for separate presentation				(691)
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				285
Balance, deferred profit liabilities at January 1, 2021				691
Ceded Recoverables on traditional and limited-payment contracts				(36)
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				(66)
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				0
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				(2)
Accident & health insurance | Asia | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					16,330
Ceded Recoverables on traditional and limited-payment contracts					32
Fixed Annuity | Latin America
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	9,637	9,265	7,343
Removal of additional insurance liabilities for separate presentation					0
Subtotal - pre-adoption balance, excluding additional liabilities					8,393
FPB Removal of related amounts in accumulated other comprehensive income				(295)
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				10,517
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				121
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				(1)
Removal of remeasured deferred profit liabilities for separate presentation				(570)
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				2,869
Balance, deferred profit liabilities at January 1, 2021				570
Ceded Recoverables on traditional and limited-payment contracts				0
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				0
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				0
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				0
Fixed Annuity | Latin America | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					8,393
Ceded Recoverables on traditional and limited-payment contracts					0
Long-term Care | MetLife Holdings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	15,240	13,845	20,569
Removal of additional insurance liabilities for separate presentation					0
Subtotal - pre-adoption balance, excluding additional liabilities					14,281
FPB Removal of related amounts in accumulated other comprehensive income				(1,210)
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				21,341
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				0
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				0
Removal of remeasured deferred profit liabilities for separate presentation				0
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				8,270
Balance, deferred profit liabilities at January 1, 2021				0
Ceded Recoverables on traditional and limited-payment contracts				0
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				0
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				0
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				0
Long-term Care | MetLife Holdings | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					14,281
Ceded Recoverables on traditional and limited-payment contracts					0
Participating Life Insurance Contract | MetLife Holdings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	49,543	50,371
Removal of additional insurance liabilities for separate presentation					0
Subtotal - pre-adoption balance, excluding additional liabilities					51,148
FPB Removal of related amounts in accumulated other comprehensive income				0
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				51,148
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				0
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				0
Removal of remeasured deferred profit liabilities for separate presentation				0
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				0
Balance, deferred profit liabilities at January 1, 2021				0
Participating Life Insurance Contract | MetLife Holdings | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					51,148
Long-Duration Insurance, Other
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	11,099	10,101
Removal of additional insurance liabilities for separate presentation					(6,561)
Subtotal - pre-adoption balance, excluding additional liabilities					12,567
FPB Removal of related amounts in accumulated other comprehensive income				(492)
Reclassification of carrying amount of contracts and contract features that are market risk benefits				(176)
FPB traditional and limited-payment contracts				14,031
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				56
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				(124)
Removal of remeasured deferred profit liabilities for separate presentation				(275)
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				2,475
Balance, deferred profit liabilities at January 1, 2021				275
Ceded Recoverables on traditional and limited-payment contracts				1,391
Effect of remeasurement of the ceded recoverable to an upper-medium grade discount rate				297
Adjustments for loss contracts (with net premiums in excess of gross premiums) under the modified retrospective approach				32
Adjustments for the cumulative effect of adoption on ceded recoverables on traditional and limited-payment contract				10
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Cash Flow and Reinsurance				380	1,977
Ceded recoverables on additional insurance liabilities				0	8
Ceded Recoverable Reclassification of carrying amount of contracts and contract features that are reinsured market risk benefits				(8)
Ceded Recoverable Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities				0
Additional Insurance Liabilities Reclassification of carrying amount of contracts and contract features that are market risk benefits				(1,642)
Additional Insurance Liabilities Adjustments for the cumulative effect of adoption on additional insurance liabilities				45
Long-Duration Insurance, Other | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					19,128
Ceded Recoverables on traditional and limited-payment contracts					1,052
Short-Duration Insurance, Other
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	13,190	13,164
Removal of additional insurance liabilities for separate presentation					0
Subtotal - pre-adoption balance, excluding additional liabilities					13,356
FPB Removal of related amounts in accumulated other comprehensive income				0
Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
FPB traditional and limited-payment contracts				13,356
Adjustment of future policy benefits to remeasure cohorts where net premiums exceed gross premiums under the modified retrospective approach				0
Other balance sheet reclassifications and adjustments upon adoption of the LDTI standard				0
Removal of remeasured deferred profit liabilities for separate presentation				0
Effect of remeasurement of future policy benefits to an upper-medium grade discount rate				0
Balance, deferred profit liabilities at January 1, 2021				0
Short-Duration Insurance, Other | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits					13,356
Variable Life | Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	1,258	1,381
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Cash Flow and Reinsurance	1,258	1,381	1,595	1,824	1,824
Ceded recoverables on additional insurance liabilities				0	0
Ceded Recoverable Reclassification of carrying amount of contracts and contract features that are reinsured market risk benefits				0
Ceded Recoverable Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities				0
Additional Insurance Liabilities Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
Additional Insurance Liabilities Adjustments for the cumulative effect of adoption on additional insurance liabilities				0
Universal and Variable Universal Life | Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	424	455
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Cash Flow and Reinsurance	424	455	655	788	788
Ceded recoverables on additional insurance liabilities				0	0
Ceded Recoverable Reclassification of carrying amount of contracts and contract features that are reinsured market risk benefits				0
Ceded Recoverable Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities				0
Additional Insurance Liabilities Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
Additional Insurance Liabilities Adjustments for the cumulative effect of adoption on additional insurance liabilities				0
Universal and Variable Universal Life | MetLife Holdings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net liability for future policy benefits	2,362	2,156
Additional Liability, Long-Duration Insurance, Original Discount Rate, before Cash Flow and Reinsurance	$ 2,362	$ 2,156	$ 2,117	2,014	1,976
Ceded recoverables on additional insurance liabilities				720	$ 719
Ceded Recoverable Reclassification of carrying amount of contracts and contract features that are reinsured market risk benefits				0
Ceded Recoverable Adjustments for the cumulative effect of adoption on ceded recoverables on additional insurance liabilities				1
Additional Insurance Liabilities Reclassification of carrying amount of contracts and contract features that are market risk benefits				0
Additional Insurance Liabilities Adjustments for the cumulative effect of adoption on additional insurance liabilities				$ 38

Future Policy Benefits - FPB on

Future Policy Benefits - FPB on Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Net liability for future policy benefits	$ 196,406	$ 187,222		$ 224,358
Fixed & Immediate Annuities | Retirement and Income Solutions
Net liability for future policy benefits	64,324	58,495	$ 63,681
Whole and Term Life & Endowments | Asia
Net liability for future policy benefits	12,874	12,792	18,472
Accident & health insurance | Asia
Net liability for future policy benefits	10,712	10,040	15,399
Fixed Annuity | Latin America
Net liability for future policy benefits	9,637	9,265	7,343
Long-term Care | MetLife Holdings
Net liability for future policy benefits	15,240	13,845	$ 20,569
Fixed & Immediate Annuities for Deferred Profit Liabilities | Retirement and Income Solutions
Net liability for future policy benefits	3,697	3,327
Whole and Term Life & Endowments for Deferred Profit Liabilities | Asia
Net liability for future policy benefits	654	510
Accident and Health Insurance Product Line for Deferred Profit Liabilities | Asia
Net liability for future policy benefits	830	760
Fixed Annuity for Deferred Profit Liabilities | Latin America
Net liability for future policy benefits	562	560
Variable Life | Asia
Net liability for future policy benefits	1,258	1,381
Universal and Variable Universal Life | Asia
Net liability for future policy benefits	424	455
Universal and Variable Universal Life | MetLife Holdings
Net liability for future policy benefits	2,362	2,156
Participating Life Insurance Contract | MetLife Holdings
Net liability for future policy benefits	49,543	50,371
Long-Duration Insurance, Other
Net liability for future policy benefits	11,099	10,101
Short-Duration Insurance, Other
Net liability for future policy benefits	$ 13,190	$ 13,164

Future Policy Benefits - Disagg

Future Policy Benefits - Disaggregate Rollforwards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Net liability for future policy benefits	$ 196,406	$ 187,222		$ 224,358
Fixed & Immediate Annuities | Retirement and Income Solutions
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period, at current discount rate at balance sheet date	0	0	$ 0
Balance, beginning of period, at original discount rate	0	0	0
Effect of changes in cash flow assumptions	0	0	0
Effect of actual variances from expected experience	(106)	(94)	(60)
Adjusted balance	(106)	(94)	(60)
Issuances	6,572	12,672	3,995
Net premiums collected	(6,466)	(12,578)	(3,935)
Ending balance at original discount rate	0	0	0
Balance, end of period, at current discount rate at balance sheet date	0	0	0
Balance, beginning of period, at current discount rate at balance sheet date	58,695	62,954	64,896
Balance, beginning of period, at original discount rate	61,426	50,890	49,061
Effect of changes in cash flow assumptions	(284)	(115)	(130)
Effect of actual variances from expected experience	(270)	(175)	(270)
Adjusted balance	60,872	50,600	48,661
Issuances	6,588	12,770	4,060
Interest accrual	2,897	2,519	2,336
Benefit payments	(5,620)	(4,463)	(4,167)
Ending balance at original discount rate	64,737	61,426	50,890
Effect of changes in discount rate assumptions	(222)	(2,731)	12,064
Balance, end of period, at current discount rate at balance sheet date	64,515	58,695	62,954
Cumulative amount of fair value hedging adjustments	(191)	(200)	727
Net liability for future policy benefits	64,324	58,495	63,681
Less: Reinsurance recoverables (Amount due to reinsurer)	269	0	312
Net liability for future policy benefits, net of reinsurance	64,055	58,495	63,369
Undiscounted - Expected future benefit payments	130,878	113,932	96,623
Discounted - Expected future benefit payments (at current discount rate at balance sheet date)	$ 64,515	$ 58,695	$ 62,954
Weighted-average duration of the liability	9 years	9 years	12 years
Weighted -average interest accretion (original locked-in) rate	4.70%	4.60%	4.80%
Weighted-average current discount rate at balance sheet date	5.10%	5.50%	2.90%
Deferred Profit Liability Offset to Cash Flow Assumption Update	$ 211	$ 128	$ 112
Deferred Profit Liability Offset to Actual Versus Expected	118	46	197
Whole and Term Life & Endowments | Asia
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period, at current discount rate at balance sheet date	4,682	5,986	7,396
Balance, beginning of period, at original discount rate	4,943	5,881	7,243
Effect of changes in cash flow assumptions	11	69	(60)
Effect of actual variances from expected experience	(62)	28	(80)
Adjusted balance	4,892	5,978	7,103
Issuances	730	231	208
Interest accrual	59	44	51
Net premiums collected	(611)	(615)	(777)
Effect of foreign currency translation	(277)	(695)	(704)
Ending balance at original discount rate	4,793	4,943	5,881
Effect of changes in discount rate assumptions	(242)	(247)	117
Effect of foreign currency translation on the effect of changes in discount rate assumptions	10	(14)	(12)
Balance, end of period, at current discount rate at balance sheet date	4,561	4,682	5,986
Balance, beginning of period, at current discount rate at balance sheet date	17,463	24,453	29,581
Balance, beginning of period, at original discount rate	18,209	21,276	25,063
Effect of changes in cash flow assumptions	58	96	(108)
Effect of actual variances from expected experience	(30)	54	(70)
Adjusted balance	18,237	21,426	24,885
Issuances	729	231	208
Interest accrual	370	364	422
Benefit payments	(1,174)	(1,406)	(1,794)
Effect of foreign currency translation	(964)	(2,406)	(2,445)
Ending balance at original discount rate	17,198	18,209	21,276
Effect of changes in discount rate assumptions	224	(475)	3,545
Effect of foreign currency translation on the effect of changes in discount rate assumptions	13	(271)	(368)
Balance, end of period, at current discount rate at balance sheet date	17,435	17,463	24,453
Cumulative amount of fair value hedging adjustments	0	11	5
Net liability for future policy benefits	12,874	12,792	18,472
Less: Reinsurance recoverables (Amount due to reinsurer)	(1)	(1)	(10)
Net liability for future policy benefits, net of reinsurance	12,875	12,793	18,482
Undiscounted - Expected future gross premiums	9,331	9,369	11,097
Undiscounted - Expected future benefit payments	28,130	28,507	32,372
Discounted - Expected future gross premiums	8,067	8,086	10,377
Discounted - Expected future benefit payments (at current discount rate at balance sheet date)	$ 17,435	$ 17,463	$ 24,453
Weighted-average duration of the liability	17 years	15 years	18 years
Weighted -average interest accretion (original locked-in) rate	2.50%	2.30%	2.30%
Weighted-average current discount rate at balance sheet date	2.60%	2.70%	1.50%
Deferred Profit Liability Offset to Cash Flow Assumption Update		$ (13)	$ 1
Deferred Profit Liability Offset to Actual Versus Expected			(6)
Accident & health insurance | Asia
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period, at current discount rate at balance sheet date	$ 21,181	26,543	30,327
Balance, beginning of period, at original discount rate	22,594	25,937	29,456
Effect of changes in cash flow assumptions	867	24	64
Effect of actual variances from expected experience	(158)	297	101
Adjusted balance	23,303	26,258	29,621
Issuances	1,030	1,387	1,488
Interest accrual	236	250	311
Net premiums collected	(2,016)	(2,160)	(2,509)
Effect of foreign currency translation	(1,321)	(3,141)	(2,974)
Ending balance at original discount rate	21,232	22,594	25,937
Effect of changes in discount rate assumptions	(1,449)	(1,341)	674
Effect of foreign currency translation on the effect of changes in discount rate assumptions	52	(72)	(68)
Balance, end of period, at current discount rate at balance sheet date	19,835	21,181	26,543
Balance, beginning of period, at current discount rate at balance sheet date	30,879	41,874	46,282
Balance, beginning of period, at original discount rate	37,189	41,517	45,296
Effect of changes in cash flow assumptions	898	(7)	126
Effect of actual variances from expected experience	(180)	363	105
Adjusted balance	37,907	41,873	45,527
Issuances	1,028	1,387	1,487
Interest accrual	485	498	578
Benefit payments	(1,279)	(1,613)	(1,458)
Effect of foreign currency translation	(2,131)	(4,956)	(4,617)
Ending balance at original discount rate	36,010	37,189	41,517
Effect of changes in discount rate assumptions	(5,793)	(6,291)	394
Effect of foreign currency translation on the effect of changes in discount rate assumptions	263	(19)	(37)
Balance, end of period, at current discount rate at balance sheet date	30,480	30,879	41,874
Cumulative amount of fair value hedging adjustments	67	342	68
Net liability for future policy benefits	10,712	10,040	15,399
Less: Reinsurance recoverables (Amount due to reinsurer)	142	143	(11)
Net liability for future policy benefits, net of reinsurance	10,570	9,897	15,410
Undiscounted - Expected future gross premiums	41,734	43,440	49,959
Undiscounted - Expected future benefit payments	47,046	48,147	53,327
Discounted - Expected future gross premiums	34,356	36,179	45,872
Discounted - Expected future benefit payments (at current discount rate at balance sheet date)	$ 30,480	$ 30,879	$ 41,874
Weighted-average duration of the liability	25 years	17 years	30 years
Weighted -average interest accretion (original locked-in) rate	1.70%	1.70%	1.70%
Weighted-average current discount rate at balance sheet date	2.50%	2.70%	1.40%
Deferred Profit Liability Offset to Cash Flow Assumption Update	$ (10)	$ 44	$ (69)
Deferred Profit Liability Offset to Actual Versus Expected	4	(20)	(58)
Fixed Annuity | Latin America
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period, at current discount rate at balance sheet date	0	0	0
Balance, beginning of period, at original discount rate	0	0	0
Effect of changes in cash flow assumptions	0	0	0
Effect of actual variances from expected experience	0	1	1
Adjusted balance	0	1	1
Issuances	1,045	714	415
Interest accrual	29	(3)	(6)
Net premiums collected	(1,074)	(712)	(410)
Ending balance at original discount rate	0	0	0
Balance, end of period, at current discount rate at balance sheet date	0	0	0
Balance, beginning of period, at current discount rate at balance sheet date	9,265	7,343	10,517
Balance, beginning of period, at original discount rate	8,240	6,851	7,649
Effect of changes in cash flow assumptions	(5)	(8)	(37)
Effect of actual variances from expected experience	(31)	(32)	2
Adjusted balance	8,204	6,811	7,614
Issuances	1,153	757	491
Interest accrual	341	286	294
Benefit payments	(671)	(560)	(749)
Inflation adjustment	415	896	464
Effect of foreign currency translation	(193)	50	(1,263)
Ending balance at original discount rate	9,249	8,240	6,851
Effect of changes in discount rate assumptions	391	1,026	658
Effect of foreign currency translation on the effect of changes in discount rate assumptions	(3)	(1)	(166)
Balance, end of period, at current discount rate at balance sheet date	9,637	9,265	7,343
Net liability for future policy benefits	9,637	9,265	7,343
Undiscounted - Expected future benefit payments	13,994	12,675	10,712
Discounted - Expected future benefit payments (at current discount rate at balance sheet date)	$ 9,637	$ 9,265	$ 7,343
Weighted-average duration of the liability	11 years	11 years	11 years
Weighted -average interest accretion (original locked-in) rate	3.60%	3.90%	4.20%
Weighted-average current discount rate at balance sheet date	3.30%	2.70%	3.20%
Deferred Profit Liability Offset to Cash Flow Assumption Update	$ 4	$ 7	$ 30
Deferred Profit Liability Offset to Actual Versus Expected		20	(28)
Long-term Care | MetLife Holdings
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]
Balance, beginning of period, at current discount rate at balance sheet date	5,775	7,058	7,142
Balance, beginning of period, at original discount rate	5,807	5,699	5,516
Effect of changes in cash flow assumptions	(152)	272	270
Effect of actual variances from expected experience	199	120	183
Adjusted balance	5,854	6,091	5,969
Interest accrual	294	298	287
Net premiums collected	(582)	(582)	(557)
Ending balance at original discount rate	5,566	5,807	5,699
Effect of changes in discount rate assumptions	121	(32)	1,359
Balance, end of period, at current discount rate at balance sheet date	5,687	5,775	7,058
Balance, beginning of period, at current discount rate at balance sheet date	19,619	27,627	28,483
Balance, beginning of period, at original discount rate	20,165	19,406	18,586
Effect of changes in cash flow assumptions	(190)	301	276
Effect of actual variances from expected experience	223	115	188
Adjusted balance	20,198	19,822	19,050
Interest accrual	1,070	1,043	998
Benefit payments	(774)	(700)	(642)
Ending balance at original discount rate	20,494	20,165	19,406
Effect of changes in discount rate assumptions	433	(546)	8,221
Balance, end of period, at current discount rate at balance sheet date	20,927	19,619	27,627
Other adjustments	0	1	0
Net liability for future policy benefits	15,240	13,845	20,569
Undiscounted - Expected future gross premiums	10,603	11,201	11,404
Undiscounted - Expected future benefit payments	45,016	45,872	45,835
Discounted - Expected future gross premiums	7,139	7,200	9,049
Discounted - Expected future benefit payments (at current discount rate at balance sheet date)	$ 20,927	$ 19,619	$ 27,627
Weighted-average duration of the liability	15 years	15 years	18 years
Weighted -average interest accretion (original locked-in) rate	5.40%	5.50%	5.50%
Weighted-average current discount rate at balance sheet date	5.20%	5.60%	3%

Future Policy Benefits - Narrat

Future Policy Benefits - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Insurance [Abstract]
Liability for Future Policy Benefit, Adverse Development, Expense, Loss At Issue	$ 99
Liability for Future Policy Benefit, Adverse Development, Expense, Loss at Issue, Net Remeasurement Loss	$ 31

Future Policy Benefits - FPB -

Future Policy Benefits - FPB - Additional Insurance Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Additional Liability, Long-Duration Insurance [Roll Forward]
Balance, beginning of period			$ 6,565
Variable Life | Asia
Additional Liability, Long-Duration Insurance [Roll Forward]
Balance, beginning of period	$ 1,381	$ 1,595	1,824
Less: AOCI adjustment	0	0	0
Balance, beginning of period, before AOCI adjustment	1,381	1,595	1,824
Effect of changes in cash flow assumptions	(4)	9	0
Effect of actual variances from expected experience	(10)	2	(24)
Adjusted balance	1,367	1,606	1,800
Assessments accrual	(3)	(3)	(3)
Interest accrual	19	21	25
Excess benefits paid	(36)	(40)	(40)
Effect of foreign currency translation and other, net	(89)	(203)	(187)
Balance, end of period, before AOCI adjustment	1,258	1,381	1,595
Add: AOCI adjustment	0	0	0
Balance, end of period	$ 1,258	$ 1,381	$ 1,595
Weighted-average duration of the liability	16 years	17 years	18 years
Weighted-average interest accretion rate	1.50%	1.40%	1.50%
Universal and Variable Universal Life | Asia
Additional Liability, Long-Duration Insurance [Roll Forward]
Balance, beginning of period	$ 455	$ 655	$ 788
Less: AOCI adjustment	(33)	56	102
Balance, beginning of period, before AOCI adjustment	488	599	686
Effect of changes in cash flow assumptions	(2)	(1)	0
Effect of actual variances from expected experience	(24)	(39)	(30)
Adjusted balance	462	559	656
Assessments accrual	0	(3)	5
Interest accrual	7	7	9
Excess benefits paid	0	0	0
Effect of foreign currency translation and other, net	(31)	(75)	(71)
Balance, end of period, before AOCI adjustment	438	488	599
Add: AOCI adjustment	(14)	(33)	56
Balance, end of period	$ 424	$ 455	$ 655
Weighted-average duration of the liability	42 years	42 years	41 years
Weighted-average interest accretion rate	1.40%	1.40%	1.50%
Universal and Variable Universal Life | MetLife Holdings
Additional Liability, Long-Duration Insurance [Roll Forward]
Balance, beginning of period	$ 2,156	$ 2,117	$ 1,976
Less: AOCI adjustment	(63)	67	95
Balance, beginning of period, before AOCI adjustment	2,219	2,050	1,919
Effect of changes in cash flow assumptions	38	35	0
Effect of actual variances from expected experience	0	39	19
Adjusted balance	2,257	2,124	1,938
Assessments accrual	105	103	114
Interest accrual	124	116	107
Excess benefits paid	(110)	(124)	(109)
Balance, end of period, before AOCI adjustment	2,376	2,219	2,050
Add: AOCI adjustment	(14)	(63)	67
Balance, end of period	2,362	2,156	2,117
Less: Reinsurance recoverables	2,055	745	739
Balance, end of period, net of reinsurance	$ 307	$ 1,411	$ 1,378
Weighted-average duration of the liability	15 years	16 years	17 years
Weighted-average interest accretion rate	5.50%	5.60%	5.60%

Future Policy Benefits - FPB In

Future Policy Benefits - FPB Income Statement (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	$ 18,257	$ 23,478	$ 15,712
Interest Expense (2)	5,393	4,930	4,805
Fixed & Immediate Annuities | Retirement and Income Solutions
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	6,660	12,748	3,965
Interest Expense (2)	2,897	2,519	2,336
Whole and Term Life & Endowments | Asia
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	1,124	1,144	1,457
Interest Expense (2)	311	320	371
Accident & health insurance | Asia
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	3,364	3,602	4,203
Interest Expense (2)	249	248	267
Fixed Annuity | Latin America
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	1,074	712	410
Interest Expense (2)	312	289	300
Long-term Care | MetLife Holdings
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	731	734	736
Interest Expense (2)	776	745	711
Fixed & Immediate Annuities for Deferred Profit Liabilities | Retirement and Income Solutions
Principal Transaction Revenue [Line Items]
Interest Expense (2)	167	154	147
Fixed Annuity for Deferred Profit Liabilities | Latin America
Principal Transaction Revenue [Line Items]
Interest Expense (2)	22	19	20
Whole and Term Life & Endowments for Deferred Profit Liabilities | Asia
Principal Transaction Revenue [Line Items]
Interest Expense (2)	31	26	18
Accident and Health Insurance Product Line for Deferred Profit Liabilities | Asia
Principal Transaction Revenue [Line Items]
Interest Expense (2)	18	16	14
Variable Life | Asia
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	89	58	28
Interest Expense (2)	19	21	25
Universal and Variable Universal Life | Asia
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	(31)	(26)	19
Interest Expense (2)	7	7	9
Universal and Variable Universal Life | MetLife Holdings
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	730	805	831
Interest Expense (2)	124	116	107
Long-Duration Insurance, Other
Principal Transaction Revenue [Line Items]
Gross Premiums or Assessments (1)	4,516	3,701	4,063
Interest Expense (2)	$ 460	$ 450	$ 480

Future Policy Benefits - Partic

Future Policy Benefits - Participating Business - Narrative (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Liability for Future Policy Benefits and Policyholder Contract Deposits, Assumptions [Abstract]
Participating Insurance, Percentage of Gross Insurance in Force	2%	2%
Life Premiums as Percentage of Gross Premiums	10%	11%	12%

Future Policy Benefits (Liabili

Future Policy Benefits (Liabilities for Unpaid Claims and Claims Expense - Development Tables) (Details) $ in Millions	Dec. 31, 2023 USD ($) Claims	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Claims Development [Line Items]
Total unpaid claims and claim adjustment expenses, net of reinsurance	$ 14,468
Group Life - Term
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	83,454
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	80,287
All outstanding liabilities for incurral years not separately stated, net of reinsurance	20
Total unpaid claims and claim adjustment expenses, net of reinsurance	3,187
Group Life - Term | Short-duration Insurance Contracts, Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	6,921	$ 6,920	$ 6,918	$ 6,920	$ 6,919	$ 6,914	$ 6,910	$ 6,913	$ 6,919	$ 6,986
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	216,354
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,919	6,917	6,916	6,915	6,912	6,902	6,869	6,858	6,809	5,428
Group Life - Term | Short-duration Insurance Contracts, Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,028	7,026	7,026	7,025	7,024	7,021	7,014	7,015	7,040
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	219,102
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 7,027	7,024	7,022	7,018	7,008	6,974	6,958	6,913	5,524
Group Life - Term | Short-duration Insurance Contracts, Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,109	7,107	7,104	7,105	7,104	7,095	7,085	7,125
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	221,155
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 7,106	7,100	7,096	7,086	7,053	7,034	6,980	5,582
Group Life - Term | Short-duration Insurance Contracts, Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,432	7,428	7,428	7,427	7,425	7,418	7,432
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	264,341
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 7,427	7,414	7,400	7,374	7,355	7,292	5,761
Group Life - Term | Short-duration Insurance Contracts, Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,652	7,651	7,650	7,646	7,655	7,757
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	252,744
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 7,646	7,629	7,595	7,578	7,521	6,008
Group Life - Term | Short-Duration Insurance Contracts, Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,914	7,917	7,907	7,900	7,935
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | Claims	254,564
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 7,898	7,853	7,820	7,756	6,178
Group Life - Term | Short-Duration Insurance Contract, Accident Year 2020
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	9,384	9,389	9,367	8,913
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 11
Cumulative Number of Reported Claims | Claims	299,634
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 9,296	9,242	9,103	6,862
Group Life - Term | Short-Duration Insurance Contract, Accident Year 2021
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	10,777	10,795	10,555
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 23
Cumulative Number of Reported Claims | Claims	332,964
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 10,640	10,476	8,008
Group Life - Term | Short-Duration Insurance Contract, Accident Year 2022
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	9,653	9,640
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 44
Cumulative Number of Reported Claims | Claims	331,022
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 9,399	7,101
Group Life - Term | Short-Duration Insurance Contract, Accident Year 2023
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	9,584
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1,198
Cumulative Number of Reported Claims | Claims	263,329
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,929
Group Life - Term | Asia
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	3,278
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	2,280
All outstanding liabilities for incurral years not separately stated, net of reinsurance	13
Total unpaid claims and claim adjustment expenses, net of reinsurance	1,011
Group Life - Term | Asia | Short-duration Insurance Contracts, Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	226	225	231	231	230	234	224	223	243	259
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 6
Cumulative Number of Reported Claims | Claims	6,930
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 219	217	214	209	199	198	176	157	126	61
Group Life - Term | Asia | Short-duration Insurance Contracts, Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	244	243	246	243	241	230	236	233	244
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 10
Cumulative Number of Reported Claims | Claims	6,879
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 233	230	226	219	205	182	168	134	71
Group Life - Term | Asia | Short-duration Insurance Contracts, Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	217	218	216	211	209	196	207	204
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 13
Cumulative Number of Reported Claims | Claims	4,797
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 204	199	191	182	168	134	118	57
Group Life - Term | Asia | Short-duration Insurance Contracts, Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	275	273	279	271	253	246	265
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 22
Cumulative Number of Reported Claims | Claims	5,751
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 254	243	241	226	184	139	77
Group Life - Term | Asia | Short-duration Insurance Contracts, Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	318	311	317	307	295	323
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 43
Cumulative Number of Reported Claims | Claims	6,170
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 275	254	244	210	156	85
Group Life - Term | Asia | Short-Duration Insurance Contracts, Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	346	337	341	326	349
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 57
Cumulative Number of Reported Claims | Claims	6,307
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 289	258	222	171	93
Group Life - Term | Asia | Short-Duration Insurance Contract, Accident Year 2020
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	341	333	361	388
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 104
Cumulative Number of Reported Claims | Claims	5,488
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 237	205	154	86
Group Life - Term | Asia | Short-Duration Insurance Contract, Accident Year 2021
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	404	384	369
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 154
Cumulative Number of Reported Claims | Claims	6,617
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 249	172	78
Group Life - Term | Asia | Short-Duration Insurance Contract, Accident Year 2022
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	454	491
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 230
Cumulative Number of Reported Claims | Claims	6,955
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 225	90
Group Life - Term | Asia | Short-Duration Insurance Contract, Accident Year 2023
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	453
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 359
Cumulative Number of Reported Claims | Claims	3,544
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 95
Group Long-Term Disability
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	12,575
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	6,295
All outstanding liabilities for incurral years not separately stated, net of reinsurance	1,477
Total unpaid claims and claim adjustment expenses, net of reinsurance	7,757
Group Long-Term Disability | Short-duration Insurance Contracts, Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,071	1,078	1,081	1,097	1,098	1,109	1,101	1,079	1,077	1,076
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	22,854
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 850	818	778	732	677	609	526	428	266	51
Group Long-Term Disability | Short-duration Insurance Contracts, Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,078	1,086	1,067	1,081	1,087	1,100	1,093	1,105	1,082
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	21,218
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 801	764	718	665	601	524	427	264	50
Group Long-Term Disability | Short-duration Insurance Contracts, Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,086	1,123	1,124	1,139	1,162	1,159	1,139	1,131
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	17,974
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 769	750	696	628	548	433	267	49
Group Long-Term Disability | Short-duration Insurance Contracts, Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,101	1,181	1,165	1,195	1,203	1,202	1,244
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	16,329
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 718	719	655	579	476	290	56
Group Long-Term Disability | Short-duration Insurance Contracts, Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,102	1,170	1,147	1,163	1,175	1,240
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	15,215
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 663	666	594	497	314	54
Group Long-Term Disability | Short-Duration Insurance Contracts, Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,103	1,177	1,169	1,212	1,277
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	15,408
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 621	620	522	342	57
Group Long-Term Disability | Short-Duration Insurance Contract, Accident Year 2020
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,100	1,155	1,223	1,253
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	15,773
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 560	535	355	59
Group Long-Term Disability | Short-Duration Insurance Contract, Accident Year 2021
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,477	1,608	1,552
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 9
Cumulative Number of Reported Claims | Claims	19,557
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 620	505	95
Group Long-Term Disability | Short-Duration Insurance Contract, Accident Year 2022
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,732	1,641
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 46
Cumulative Number of Reported Claims | Claims	18,006
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 609	76
Group Long-Term Disability | Short-Duration Insurance Contract, Accident Year 2023
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,725
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 793
Cumulative Number of Reported Claims | Claims	10,994
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 84
Protection Life
Claims Development [Line Items]
Total unpaid claims and claim adjustment expenses, net of reinsurance	446
Protection Life | Latin America
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	4,481
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	4,036
All outstanding liabilities for incurral years not separately stated, net of reinsurance	1
Total unpaid claims and claim adjustment expenses, net of reinsurance	446
Protection Life | Latin America | Short-duration Insurance Contracts, Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	371	370	380	380	379	378	375	411	400	261
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	38,397
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 360	359	368	367	365	363	359	355	349	232
Protection Life | Latin America | Short-duration Insurance Contracts, Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	447	446	458	464	463	463	458	492	342
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	44,554
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 428	426	437	436	433	426	418	394	278
Protection Life | Latin America | Short-duration Insurance Contracts, Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	486	487	498	497	496	488	475	362
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	38,936
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 489	488	496	493	490	481	460	257
Protection Life | Latin America | Short-duration Insurance Contracts, Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	351	352	362	362	363	363	373
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	31,052
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 349	348	357	354	350	331	221
Protection Life | Latin America | Short-duration Insurance Contracts, Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	333	333	334	333	335	347
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	29,857
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 314	312	315	310	297	174
Protection Life | Latin America | Short-Duration Insurance Contracts, Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	344	343	346	342	374
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	32,435
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 320	316	318	295	194
Protection Life | Latin America | Short-Duration Insurance Contract, Accident Year 2020
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	576	573	567	567
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | Claims	43,062
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 513	504	490	245
Protection Life | Latin America | Short-Duration Insurance Contract, Accident Year 2021
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	625	625	717
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 15
Cumulative Number of Reported Claims | Claims	52,935
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 539	517	370
Protection Life | Latin America | Short-Duration Insurance Contract, Accident Year 2022
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	467	495
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 27
Cumulative Number of Reported Claims | Claims	40,656
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 410	305
Protection Life | Latin America | Short-Duration Insurance Contract, Accident Year 2023
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	481
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 199
Cumulative Number of Reported Claims | Claims	26,972
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 314
Protection Health
Claims Development [Line Items]
Total unpaid claims and claim adjustment expenses, net of reinsurance	196
Protection Health | Latin America
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	5,094
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	4,900
All outstanding liabilities for incurral years not separately stated, net of reinsurance	2
Total unpaid claims and claim adjustment expenses, net of reinsurance	196
Protection Health | Latin America | Short-duration Insurance Contracts, Accident Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	302	303	302	301	301	301	302	304	302	271
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	98,246
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 299	299	298	298	298	298	298	302	300	$ 269
Protection Health | Latin America | Short-duration Insurance Contracts, Accident Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	266	266	266	265	265	265	267	265	233
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	87,711
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 266	266	266	265	265	264	263	265	$ 233
Protection Health | Latin America | Short-duration Insurance Contracts, Accident Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	350	349	349	349	349	349	352	306
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	106,797
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 350	349	349	348	348	347	344	$ 288
Protection Health | Latin America | Short-duration Insurance Contracts, Accident Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	413	412	412	412	413	412	443
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	121,765
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 413	412	411	410	409	407	$ 361
Protection Health | Latin America | Short-duration Insurance Contracts, Accident Year 2018
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	471	471	471	472	498	474
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	144,770
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 469	468	466	465	461	$ 405
Protection Health | Latin America | Short-Duration Insurance Contracts, Accident Year 2019
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	199	198	199	206	158
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	132,789
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 196	194	191	187	$ 133
Protection Health | Latin America | Short-Duration Insurance Contract, Accident Year 2020
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	559	560	562	572
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	150,117
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 554	552	547	$ 484
Protection Health | Latin America | Short-Duration Insurance Contract, Accident Year 2021
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	733	737	735
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | Claims	171,217
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 724	718	$ 649
Protection Health | Latin America | Short-Duration Insurance Contract, Accident Year 2022
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	790	800
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 17
Cumulative Number of Reported Claims | Claims	196,579
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 771	$ 678
Protection Health | Latin America | Short-Duration Insurance Contract, Accident Year 2023
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,011
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 96
Cumulative Number of Reported Claims | Claims	159,272
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 858

Future Policy Benefits (Short-D

Future Policy Benefits (Short-Duration Contracts Historical Claims) (Details)	Dec. 31, 2023
Group Life - Term
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year One	76.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two	21.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three	0.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four	0.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five	0.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six	0.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven	0.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight	0%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine	0%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten	0%
Group Life - Term | Asia
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year One	24.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two	24.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three	14.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four	10.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five	7.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six	3.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven	3.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight	2.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine	1.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten	0.90%
Group Long-Term Disability
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year One	5%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two	24%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three	14.90%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four	8.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five	6%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six	4.80%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven	3.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight	3.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine	3.60%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten	3%
Protection Life | Latin America
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year One	58.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two	31.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three	4.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four	1.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five	0.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six	0%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven	(0.10%)
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight	(0.70%)
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine	(1.00%)
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten	0.30%
Protection Health | Latin America
Short-duration Insurance Contracts, Historical Claims Duration [Line Items]
Short-duration Insurance Contracts, Historical Claims Duration, Year One	84.50%
Short-duration Insurance Contracts, Historical Claims Duration, Year Two	13.40%
Short-duration Insurance Contracts, Historical Claims Duration, Year Three	0.70%
Short-duration Insurance Contracts, Historical Claims Duration, Year Four	0.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Five	0.30%
Short-duration Insurance Contracts, Historical Claims Duration, Year Six	0.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Seven	0.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Eight	0.10%
Short-duration Insurance Contracts, Historical Claims Duration, Year Nine	0.20%
Short-duration Insurance Contracts, Historical Claims Duration, Year Ten	0%

Future Policy Benefits (Liabi_2

Future Policy Benefits (Liabilities for Unpaid Claims - Methodology) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-duration Insurance Contract, Discounted Liability, Discount	$ 1,488
Short-Duration Insurance Contract, Discounted Liability, Interest Accretion, Statement of Financial Position [Extensible Enumeration]	Policyholder benefits and claims	Policyholder benefits and claims	Policyholder benefits and claims
Group Long-Term Disability
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-Duration Contracts, Discounted Liabilities, Amount	$ 6,700	$ 6,500
Short-duration Insurance Contract, Discounted Liability, Discount	1,300	1,200
Short-duration Insurance Contracts, Discounted Liabilities, Interest Accretion	$ 516	461	$ 518
Group Long-Term Disability | Minimum
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-Duration Contract, Discounted Liability, Discount Rate	3%
Group Long-Term Disability | Maximum
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-Duration Contract, Discounted Liability, Discount Rate	8%
Group Life - Term | Asia
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-Duration Contracts, Discounted Liabilities, Amount	$ 1,300	1,300
Short-duration Insurance Contract, Discounted Liability, Discount	163	118
Short-duration Insurance Contracts, Discounted Liabilities, Interest Accretion	$ 37	$ 22	$ 22
Group Life - Term | Minimum | Asia
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-Duration Contract, Discounted Liability, Discount Rate	1%
Group Life - Term | Maximum | Asia
Liability for Claims and Claims Adjustment Expense [Line Items]
Short-Duration Contract, Discounted Liability, Discount Rate	7%

Future Policy Benefits (Reconci

Future Policy Benefits (Reconciliation of Disclosure to Liability) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	$ 14,468
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	1,078
Total unpaid claims and allocated claims adjustment expense	15,546
Unallocated claims adjustment expenses	0
Discounting	(1,488)
Liability for unpaid claims and claim adjustment liabilities - short-duration	14,058
Liability for unpaid claims and claim adjustment liabilities - long-duration	2,410
Liability for Claims and Claims Adjustment Expense	16,468	$ 16,098	$ 15,598	$ 14,698
UNITED STATES
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	10,944
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	280
Latin America
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	642
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	38
Group Life - Term
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	3,187
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	8
Group Life - Term | Asia
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	1,011
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	475
Group Long-Term Disability
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	7,757
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	272
Discounting	(1,300)	$ (1,200)
Protection Life
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	446
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	14
Protection Health
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	196
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	24
Other insurance lines - all segments combined
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net	1,871
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	$ 285

Future Policy Benefits (Rollfor

Future Policy Benefits (Rollforward of Unpaid Claims) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Liability for Claims and Claims Adjustment Expense [Line Items]
Balance at January 1,	$ 16,098	$ 15,598	$ 14,698
Less: Reinsurance recoverables	2,452	2,629	1,896
Net Balance at January 1,	13,646	12,969	12,802
Incurred related to:
Current year	27,080	26,505	26,903
Prior years	374	668	922
Total incurred	27,454	27,173	27,825
Paid related to:
Current year	(20,220)	(19,917)	(21,027)
Prior years	(7,004)	(6,579)	(6,512)
Total paid	(27,224)	(26,496)	(27,539)
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustments	15,546
Net Balance at December 31,	13,876	13,646	12,969
Add: Reinsurance recoverables	2,592	2,452	2,629
Balance at December 31,	16,468	16,098	15,598
Disposal Group, Held-for-sale, Not Discontinued Operations
Paid related to:
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustments	0	0	(55)
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Paid related to:
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustments	$ 0	$ 0	$ (64)

Policyholder Account Balances -

Policyholder Account Balances - Transition Table (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	$ 219,269	$ 210,597		$ 211,737
Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				(958)
Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				7,519
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance		203,082			$ 205,176
Other Products
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	17,226	15,936		19,441
Other Products | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				(170)
Other Products | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				102
Other Products | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					19,509
Group Life - Term | Group Benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	7,692	8,028	$ 7,893	7,586	7,586
Group Life - Term | Group Benefits | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Group Life - Term | Group Benefits | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Group Life - Term | Group Benefits | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					7,586
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	64,140	63,723	62,521	62,908	62,908
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					62,908
Annuities and Risk Solutions | Retirement and Income Solutions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	17,711	15,549	14,431	13,643	13,643
Annuities and Risk Solutions | Retirement and Income Solutions | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				(24)
Annuities and Risk Solutions | Retirement and Income Solutions | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				7,417	7,400
Annuities and Risk Solutions | Retirement and Income Solutions | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					6,250
Universal and Variable Universal Life | Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	49,739	46,417	46,590	43,868	43,868
Universal and Variable Universal Life | Asia | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Universal and Variable Universal Life | Asia | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Universal and Variable Universal Life | Asia | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					43,868
Fixed Annuity | Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	36,863	32,454	30,976	31,422	31,422
Fixed Annuity | Asia | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Fixed Annuity | Asia | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Fixed Annuity | Asia | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					31,422
Fixed Annuity | MetLife Holdings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	11,537	13,286	14,398	15,234	15,234
Fixed Annuity | MetLife Holdings | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				(493)
Fixed Annuity | MetLife Holdings | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Fixed Annuity | MetLife Holdings | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					15,727
Variable Annuity | EMEA
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	2,720	2,802	4,215	4,779	4,779
Variable Annuity | EMEA | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				2
Variable Annuity | EMEA | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				0
Variable Annuity | EMEA | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					4,777
Life and Other | MetLife Holdings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance	$ 11,641	$ 12,402	$ 12,699	12,856	12,856
Life and Other | MetLife Holdings | Reclassification of carrying amount of contracts and contract features that are market risk benefits
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				(273)
Life and Other | MetLife Holdings | Other balance sheet reclassifications upon adoption of the LDTI standard
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance				$ 0
Life and Other | MetLife Holdings | Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Policyholder account balance					$ 13,129

Policyholder Account Balances_2

Policyholder Account Balances - Amounts on Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Policyholder Account Balance [Line Items]
Policyholder account balance	$ 219,269	$ 210,597		$ 211,737
Other Products
Policyholder Account Balance [Line Items]
Policyholder account balance	17,226	15,936		19,441
Group Life - Term | Group Benefits
Policyholder Account Balance [Line Items]
Policyholder account balance	7,692	8,028	$ 7,893	7,586	$ 7,586
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions
Policyholder Account Balance [Line Items]
Policyholder account balance	64,140	63,723	62,521	62,908	62,908
Annuities and Risk Solutions | Retirement and Income Solutions
Policyholder Account Balance [Line Items]
Policyholder account balance	17,711	15,549	14,431	13,643	13,643
Universal and Variable Universal Life | Asia
Policyholder Account Balance [Line Items]
Policyholder account balance	49,739	46,417	46,590	43,868	43,868
Fixed Annuity | Asia
Policyholder Account Balance [Line Items]
Policyholder account balance	36,863	32,454	30,976	31,422	31,422
Fixed Annuity | MetLife Holdings
Policyholder Account Balance [Line Items]
Policyholder account balance	11,537	13,286	14,398	15,234	15,234
Variable Annuity | EMEA
Policyholder Account Balance [Line Items]
Policyholder account balance	2,720	2,802	4,215	4,779	4,779
Life and Other | MetLife Holdings
Policyholder Account Balance [Line Items]
Policyholder account balance	$ 11,641	$ 12,402	$ 12,699	$ 12,856	$ 12,856

Policyholder Account Balances_3

Policyholder Account Balances - LDTI Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	$ 210,597
Interest credited	7,970	$ 3,771	$ 5,628
Balance, end of period	$ 219,269	$ 210,597
Net amount at risk percentage after taking reinsurance into consideration	99%	65%	66%
Group Life - Term | Group Benefits
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	$ 8,028	$ 7,893	$ 7,586
Deposits	3,311	3,361	3,450
Policy charges	(635)	(612)	(589)
Surrenders and withdrawals	(3,192)	(2,744)	(2,670)
Benefit payments	(12)	(10)	(9)
Net transfers from (to) separate accounts	0	(2)	(1)
Interest credited	192	142	126
Balance, end of period	$ 7,692	$ 8,028	$ 7,893
Weighted-average annual crediting rate	2.50%	1.80%	1.60%
Cash surrender value at period end	$ 7,630	$ 7,974	$ 7,840
Group Life - Term | In the event of death | Group Benefits
Policyholder Account Balance [Roll Forward]
Net amount at risk	250,033	244,638	238,062
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	63,723	62,521	62,908
Deposits	69,229	81,050	76,672
Surrenders and withdrawals	(71,938)	(80,382)	(77,524)
Interest credited	2,091	1,276	914
Effect of foreign currency translation and other, net	1,035	(742)	(449)
Balance, end of period	$ 64,140	$ 63,723	$ 62,521
Weighted-average annual crediting rate	3.30%	2%	1.50%
Cash surrender value at period end	$ 2,126	$ 2,071	$ 1,882
Annuities and Risk Solutions | Retirement and Income Solutions
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	15,549	14,431	13,643
Deposits	2,734	1,843	1,615
Policy charges	(178)	(153)	(126)
Surrenders and withdrawals	(210)	(120)	(442)
Benefit payments	(812)	(739)	(704)
Net transfers from (to) separate accounts	53	(26)	11
Interest credited	637	543	517
Other	(62)	(230)	(83)
Balance, end of period	$ 17,711	$ 15,549	$ 14,431
Weighted-average annual crediting rate	3.90%	3.70%	3.80%
Cash surrender value at period end	$ 7,912	$ 7,331	$ 6,559
Annuities and Risk Solutions | In the event of death | Retirement and Income Solutions
Policyholder Account Balance [Roll Forward]
Net amount at risk	40,397	40,607	38,066
Universal and Variable Universal Life | Asia
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	46,417	46,590	43,868
Deposits	7,595	5,673	6,487
Policy charges	(1,210)	(1,103)	(1,178)
Surrenders and withdrawals	(2,959)	(2,993)	(1,265)
Benefit payments	(508)	(502)	(514)
Interest credited	1,408	1,066	1,199
Effect of foreign currency translation and other, net	(1,004)	(2,314)	(2,007)
Balance, end of period	$ 49,739	$ 46,417	$ 46,590
Weighted-average annual crediting rate	3%	2.30%	2.70%
Cash surrender value at period end	$ 42,577	$ 39,737	$ 43,329
Universal and Variable Universal Life | In the event of death | Asia
Policyholder Account Balance [Roll Forward]
Net amount at risk	93,172	95,412	104,551
Fixed Annuity | Asia
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	32,454	30,976	31,422
Deposits	8,115	7,813	3,681
Policy charges	(2)	(2)	(3)
Surrenders and withdrawals	(2,344)	(4,024)	(1,260)
Benefit payments	(2,156)	(2,014)	(2,500)
Interest credited	866	623	617
Effect of foreign currency translation and other, net	(70)	(918)	(981)
Balance, end of period	$ 36,863	$ 32,454	$ 30,976
Weighted-average annual crediting rate	2.50%	2%	2%
Cash surrender value at period end	$ 31,936	$ 27,902	$ 29,835
Fixed Annuity | MetLife Holdings
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	13,286	14,398	15,234
Deposits	176	233	284
Policy charges	(15)	(16)	(16)
Surrenders and withdrawals	(1,981)	(1,494)	(1,380)
Benefit payments	(420)	(415)	(413)
Net transfers from (to) separate accounts	72	198	237
Interest credited	396	406	425
Other	23	(24)	27
Balance, end of period	$ 11,537	$ 13,286	$ 14,398
Weighted-average annual crediting rate	3.30%	3%	3%
Cash surrender value at period end	$ 10,904	$ 12,373	$ 13,256
Fixed Annuity | In the event of death | Asia
Policyholder Account Balance [Roll Forward]
Net amount at risk	73	1	64
Fixed Annuity | In the event of death | MetLife Holdings
Policyholder Account Balance [Roll Forward]
Net amount at risk	2,821	4,354	1,119
Fixed Annuity | At annuitization or exercise of other living benefits | MetLife Holdings
Policyholder Account Balance [Roll Forward]
Net amount at risk	688	960	581
Variable Annuity | EMEA
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	2,802	4,215	4,779
Deposits	4	5	8
Policy charges	(63)	(73)	(95)
Surrenders and withdrawals	(285)	(313)	(483)
Benefit payments	(125)	(137)	(157)
Interest credited	228	(465)	208
Effect of foreign currency translation and other, net	159	(430)	(45)
Balance, end of period	$ 2,720	$ 2,802	$ 4,215
Weighted-average annual crediting rate	8.60%	(12.40%)	4.70%
Cash surrender value at period end	$ 2,720	$ 2,802	$ 4,215
Variable Annuity | In the event of death | EMEA
Policyholder Account Balance [Roll Forward]
Net amount at risk	456	557	182
Variable Annuity | At annuitization or exercise of other living benefits | EMEA
Policyholder Account Balance [Roll Forward]
Net amount at risk	585	699	257
Life and Other | MetLife Holdings
Policyholder Account Balance [Roll Forward]
Balance, beginning of period	12,402	12,699	12,856
Deposits	783	895	1,172
Policy charges	(702)	(718)	(731)
Surrenders and withdrawals	(1,171)	(785)	(887)
Benefit payments	(152)	(183)	(213)
Net transfers from (to) separate accounts	35	29	32
Interest credited	445	460	470
Other	1	5	0
Balance, end of period	$ 11,641	$ 12,402	$ 12,699
Weighted-average annual crediting rate	3.80%	3.70%	3.80%
Cash surrender value at period end	$ 11,177	$ 11,882	$ 12,170
Life and Other | In the event of death | MetLife Holdings
Policyholder Account Balance [Roll Forward]
Net amount at risk	$ 67,786	$ 71,548	$ 73,840

Policyholder Account Balances_4

Policyholder Account Balances - Range of Guaranteed Minimum Crediting Rate (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 219,269	$ 210,597		$ 211,737
Group Life - Term | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	7,692	8,028	$ 7,893	7,586	$ 7,586
Group Life - Term | Equal to or greater than 0% but less than 2% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 5,507	$ 5,680	$ 5,495
Group Life - Term | Equal to or greater than 0% but less than 2% | Group Benefits | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Group Life - Term | Equal to or greater than 0% but less than 2% | Group Benefits | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Group Life - Term | Equal to or greater than 2% but less than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 1,269	$ 1,376	$ 1,447
Group Life - Term | Equal to or greater than 2% but less than 4% | Group Benefits | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Group Life - Term | Equal to or greater than 2% but less than 4% | Group Benefits | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Group Life - Term | Equal to or greater than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 805	$ 845	$ 822
Group Life - Term | Equal to or greater than 4% | Group Benefits | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Group Life - Term | Products with either a fixed rate or no guaranteed minimum crediting rate | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 111	$ 127	$ 129
Group Life - Term | At GMCR | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1,923	2,106	7,396
Group Life - Term | At GMCR | Equal to or greater than 0% but less than 2% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	5,229
Group Life - Term | At GMCR | Equal to or greater than 2% but less than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1,196	1,303	1,374
Group Life - Term | At GMCR | Equal to or greater than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	727	803	793
Group Life - Term | Greater than 0% but less than 0.50% above GMCR | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	96	1,026	185
Group Life - Term | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	86	973	135
Group Life - Term | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	9	52	50
Group Life - Term | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1	1	0
Group Life - Term | Equal to or greater than 0.50% but less than 1.50% above GMCR | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	968	4,503	23
Group Life - Term | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	863	4,471	0
Group Life - Term | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	62	21	23
Group Life - Term | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	43	11	0
Group Life - Term | Equal to or greater than 1.50% above GMCR | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	4,594	266	160
Group Life - Term | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	4,558	236	131
Group Life - Term | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	2	0	0
Group Life - Term | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | Group Benefits
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	34	30	29
Capital Markets Investment Products and Stable Value GICs | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	64,140	63,723	62,521	62,908	62,908
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 2,622	$ 3,554	$ 4,784
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Capital Markets Investment Products and Stable Value GICs | Products with either a fixed rate or no guaranteed minimum crediting rate | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 61,518	$ 60,169	$ 57,737
Capital Markets Investment Products and Stable Value GICs | At GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Capital Markets Investment Products and Stable Value GICs | At GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Capital Markets Investment Products and Stable Value GICs | Greater than 0% but less than 0.50% above GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	632
Capital Markets Investment Products and Stable Value GICs | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	632
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0.50% but less than 1.50% above GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1	1	4,142
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1	1	4,142
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 1.50% above GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	2,621	3,553	10
Capital Markets Investment Products and Stable Value GICs | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	2,621	3,553	10
Annuities and Risk Solutions | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	17,711	15,549	14,431	13,643	13,643
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 1,671	$ 1,296	$ 605
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Annuities and Risk Solutions | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 820	$ 839	$ 888
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Annuities and Risk Solutions | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Annuities and Risk Solutions | Equal to or greater than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 4,633	$ 4,635	$ 4,620
Annuities and Risk Solutions | Equal to or greater than 4% | Retirement and Income Solutions | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Annuities and Risk Solutions | Products with either a fixed rate or no guaranteed minimum crediting rate | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 10,587	$ 8,779	$ 8,318
Annuities and Risk Solutions | At GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	4,595	4,747	4,693
Annuities and Risk Solutions | At GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Annuities and Risk Solutions | At GMCR | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	249	301	258
Annuities and Risk Solutions | At GMCR | Equal to or greater than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	4,346	4,446	4,435
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	34	161	162
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	34	39	36
Annuities and Risk Solutions | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	122	126
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	407	251	294
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	20	64	115
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	105	124	125
Annuities and Risk Solutions | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	282	63	54
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	2,088	1,611	964
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1,651	1,232	490
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	432	375	469
Annuities and Risk Solutions | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | Retirement and Income Solutions
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	5	4	5
Universal and Variable Universal Life | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	49,739	46,417	46,590	43,868	43,868
Universal and Variable Universal Life | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 11,896	$ 11,254	$ 11,906
Universal and Variable Universal Life | Equal to or greater than 0% but less than 2% | Asia | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Universal and Variable Universal Life | Equal to or greater than 0% but less than 2% | Asia | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Universal and Variable Universal Life | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 37,036	$ 34,460	$ 33,974
Universal and Variable Universal Life | Equal to or greater than 2% but less than 4% | Asia | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Universal and Variable Universal Life | Equal to or greater than 2% but less than 4% | Asia | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Universal and Variable Universal Life | Equal to or greater than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 250	$ 265	$ 282
Universal and Variable Universal Life | Equal to or greater than 4% | Asia | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Universal and Variable Universal Life | Products with either a fixed rate or no guaranteed minimum crediting rate | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 557	$ 438	$ 428
Universal and Variable Universal Life | At GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	16,822	32,414	33,708
Universal and Variable Universal Life | At GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	10,640	10,965	11,754
Universal and Variable Universal Life | At GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	5,932	21,184	21,672
Universal and Variable Universal Life | At GMCR | Equal to or greater than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	250	265	282
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	15,658	2,923	2,777
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	24	76	152
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	15,634	2,847	2,625
Universal and Variable Universal Life | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Universal and Variable Universal Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	8,032	5,721	5,160
Universal and Variable Universal Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	231	138	0
Universal and Variable Universal Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	7,801	5,583	5,160
Universal and Variable Universal Life | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	8,670	4,921	4,517
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1,001	75	0
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	7,669	4,846	4,517
Universal and Variable Universal Life | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Fixed Annuity | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	36,863	32,454	30,976	31,422	31,422
Fixed Annuity | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	11,537	13,286	14,398	15,234	15,234
Fixed Annuity | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 35,523	$ 31,017	$ 29,334
Fixed Annuity | Equal to or greater than 0% but less than 2% | Asia | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Fixed Annuity | Equal to or greater than 0% but less than 2% | Asia | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Fixed Annuity | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 973	$ 962	$ 1,098
Fixed Annuity | Equal to or greater than 0% but less than 2% | MetLife Holdings | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Fixed Annuity | Equal to or greater than 0% but less than 2% | MetLife Holdings | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Fixed Annuity | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 5	$ 6	$ 8
Fixed Annuity | Equal to or greater than 2% but less than 4% | Asia | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Fixed Annuity | Equal to or greater than 2% but less than 4% | Asia | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Fixed Annuity | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 8,899	$ 10,483	$ 11,176
Fixed Annuity | Equal to or greater than 2% but less than 4% | MetLife Holdings | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Fixed Annuity | Equal to or greater than 2% but less than 4% | MetLife Holdings | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Fixed Annuity | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 1,231	$ 1,309	$ 1,352
Fixed Annuity | Equal to or greater than 4% | MetLife Holdings | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Fixed Annuity | Products with either a fixed rate or no guaranteed minimum crediting rate | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 1,335	$ 1,431	$ 1,634
Fixed Annuity | Products with either a fixed rate or no guaranteed minimum crediting rate | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	434	532	772
Fixed Annuity | At GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	322	438	272
Fixed Annuity | At GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1,857	11,583	13,052
Fixed Annuity | At GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	322	438	264
Fixed Annuity | At GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	36	934	1,066
Fixed Annuity | At GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	8
Fixed Annuity | At GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	1,033	9,388	10,679
Fixed Annuity | At GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	788	1,261	1,307
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	589	670	1,153
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	7,923	939	346
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	584	664	1,153
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	307	4	7
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	5	6	0
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	7,205	892	299
Fixed Annuity | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	411	43	40
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	6,274	7,160	8,100
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	869	204	216
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	6,274	7,160	8,100
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	378	8	14
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	459	191	197
Fixed Annuity | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	32	5	5
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	28,343	22,755	19,817
Fixed Annuity | Equal to or greater than 1.50% above GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	454	28	12
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	28,343	22,755	19,817
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	252	16	11
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | Asia
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	202	12	1
Fixed Annuity | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	0
Variable Annuity | EMEA
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	2,720	2,802	4,215	4,779	4,779
Life and Other | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	11,641	12,402	12,699	$ 12,856	$ 12,856
Life and Other | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 71	$ 75	$ 34
Life and Other | Equal to or greater than 0% but less than 2% | MetLife Holdings | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	0%	0%	0%
Life and Other | Equal to or greater than 0% but less than 2% | MetLife Holdings | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Life and Other | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 5,453	$ 6,020	$ 6,151
Life and Other | Equal to or greater than 2% but less than 4% | MetLife Holdings | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	2%	2%	2%
Life and Other | Equal to or greater than 2% but less than 4% | MetLife Holdings | Maximum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Life and Other | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 5,616	$ 5,806	$ 6,013
Life and Other | Equal to or greater than 4% | MetLife Holdings | Minimum
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance, range of guaranteed minimum credit rating	4%	4%	4%
Life and Other | Products with either a fixed rate or no guaranteed minimum crediting rate | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 501	$ 501	$ 501
Life and Other | At GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	9,519	10,278	10,596
Life and Other | At GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	0	26
Life and Other | At GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	4,453	5,025	5,122
Life and Other | At GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	5,066	5,253	5,448
Life and Other | Greater than 0% but less than 0.50% above GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	295	292	285
Life and Other | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	0	20	8
Life and Other | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	171	144	145
Life and Other | Greater than 0% but less than 0.50% above GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	124	128	132
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	709	911	740
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	16	50	0
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	280	441	313
Life and Other | Equal to or greater than 0.50% but less than 1.50% above GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	413	420	427
Life and Other | Equal to or greater than 1.50% above GMCR | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	617	420	577
Life and Other | Equal to or greater than 1.50% above GMCR | Equal to or greater than 0% but less than 2% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	55	5	0
Life and Other | Equal to or greater than 1.50% above GMCR | Equal to or greater than 2% but less than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	549	410	571
Life and Other | Equal to or greater than 1.50% above GMCR | Equal to or greater than 4% | MetLife Holdings
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder account balance	$ 13	$ 5	$ 6

Policyholder Account Balances_5

Policyholder Account Balances - Narrative (Details) - USD ($) $ in Billions	Dec. 31, 2023	Dec. 31, 2022
Funding Agreements Farmer Mac
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Outstanding funding agreements to certain special purpose entities	$ 2.1	$ 2.1
Carrying value of invested assets pledged as collateral	2.2	2.1
Federal Home Loan Bank of New York
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank amount of advances by branch for funding agreements	14.6	14.9
Collateral pledged relating to obligations under funding agreements	$ 17.8	$ 17.9

Market Risk Benefits - Transiti

Market Risk Benefits - Transition Adjustments (Details) - USD ($) $ in Millions	Jan. 01, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Direct and assumed MRB liabilities	$ 7,901	$ 0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	2,789
Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date	(99)
Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value	5,211
Reinsured MRB assets	51	0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	63
Adjustments for the difference between previous carrying amounts and fair value measurements	(12)
Insurance, Other
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Direct and assumed MRB liabilities	582	0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	251
Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date	(38)
Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value	369
Reinsured MRB assets	51	0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	63
Adjustments for the difference between previous carrying amounts and fair value measurements	(12)
Asia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Direct and assumed MRB liabilities	318	0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	247
Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date	(7)
Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value	78
Reinsured MRB assets	0	0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	0
Adjustments for the difference between previous carrying amounts and fair value measurements	0
MetLife Holdings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Direct and assumed MRB liabilities	7,001	0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	2,291
Adjustments for the cumulative effect of changes in nonperformance risk between contract issue date and Transition Date	(54)
Adjustments for the difference between the fair value of the MRB balance, excluding the cumulative effect of changes in nonperformance risk, and the historical carrying value	4,764
Reinsured MRB assets	0	$ 0
Reclassification of carrying amounts of contracts and contract features that are market risk benefits	0
Adjustments for the difference between previous carrying amounts and fair value measurements	$ 0

Market Risk Benefits - Balance

Market Risk Benefits - Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Market Risk Benefit [Line Items]
Asset	$ 286	$ 280
Liability	3,179	3,763		$ 7,901
Net	2,893	3,483
Retirement Assurance | Asia
Market Risk Benefit [Line Items]
Asset	0	0
Liability	203	226
Net	203	226	$ 277		$ 318
Investment Product | MetLife Holdings
Market Risk Benefit [Line Items]
Asset	156	153
Liability	2,878	3,378
Net	2,722	3,225
Insurance, Other
Market Risk Benefit [Line Items]
Asset	130	127
Liability	98	159
Net	$ (32)	$ 32	$ 491		$ 582

Market Risk Benefits - Rollforw

Market Risk Benefits - Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Market Risk Benefit [Line Items]
Beginning balance	$ 3,483
Effect of changes in capital markets	658	$ 3,347	$ 839
Ending balance	2,893	3,483
Retirement Assurance | Asia
Market Risk Benefit [Line Items]
Beginning balance	226	277	318
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk	233	284	326
Attributed fees collected	3	3	4
Benefit payments	(12)	0	(7)
Effect of changes in interest rates	1	(25)	(6)
Effect of changes in equity index volatility	0	0	(3)
Actual policyholder behavior different from expected behavior	(1)	6	(16)
Effect of changes in future expected policyholder behavior and other assumptions	(1)	5	0
Effect of foreign currency translation and other, net	(18)	(40)	(14)
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk	205	233	284
Cumulative effect of changes in the instrument-specific credit risk	(2)	(8)	(8)
Effect of foreign currency translation on the cumulative instrument-specific credit risk	0	1	1
Ending balance	203	226	277
Retirement Assurance | Asia | At annuitization or exercise of other living benefits
Market Risk Benefit [Line Items]
Net amount at risk	$ 119	$ 127	$ 119
Average attained age of policyholders	58 years	58 years	57 years
Variable Annuity | MetLife Holdings
Market Risk Benefit [Line Items]
Beginning balance	$ 3,225	$ 5,929	$ 7,001
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk	3,360	6,229	7,055
Attributed fees collected	377	387	413
Benefit payments	(58)	(42)	(41)
Effect of changes in interest rates	(161)	(3,610)	(536)
Effect of changes in capital markets	(900)	861	(1,163)
Effect of changes in equity index volatility	(135)	38	25
Actual policyholder behavior different from expected behavior	144	20	(92)
Effect of changes in future expected policyholder behavior and other assumptions	9	(328)	563
Effect of foreign currency translation and other, net	152	36	350
Effect of changes in risk margin	(16)	(231)	(345)
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk	2,772	3,360	6,229
Cumulative effect of changes in the instrument-specific credit risk	(54)	(130)	(304)
Effect of foreign currency translation on the cumulative instrument-specific credit risk	4	(5)	4
Ending balance	2,722	3,225	5,929
Variable Annuity | MetLife Holdings | In the event of death
Market Risk Benefit [Line Items]
Net amount at risk	$ 2,828	$ 4,387	$ 1,131
Average attained age of policyholders	70 years	69 years	70 years
Variable Annuity | MetLife Holdings | At annuitization or exercise of other living benefits
Market Risk Benefit [Line Items]
Net amount at risk	$ 675	$ 1,141	$ 565
Average attained age of policyholders	70 years	71 years	68 years
Insurance, Other
Market Risk Benefit [Line Items]
Beginning balance	$ 32	$ 491	$ 582
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk	24	539	619
Attributed fees collected	34	61	72
Benefit payments	(28)	(4)	(2)
Effect of changes in interest rates	(3)	(499)	(227)
Effect of changes in capital markets	(41)	139	(110)
Effect of changes in equity index volatility	(6)	31	4
Actual policyholder behavior different from expected behavior	(22)	(12)	29
Effect of changes in future expected policyholder behavior and other assumptions	2	(1)	56
Effect of foreign currency translation and other, net	(9)	(224)	100
Effect of changes in risk margin	(1)	(6)	(2)
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk	(50)	24	539
Cumulative effect of changes in the instrument-specific credit risk	17	7	(49)
Effect of foreign currency translation on the cumulative instrument-specific credit risk	1	1	1
Ending balance	(32)	32	491
Less: Reinsurance recoverable	18	23	33
Balance, end of period, net of reinsurance	$ (50)	$ 9	$ 458

Separate Account Liabilities Ba

Separate Account Liabilities Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Separate Account, Liability [Line Items]
Separate account liabilities	$ 144,634	$ 146,038
Retirement and Income Solutions
Separate Account, Liability [Line Items]
Separate account liabilities	53,093	60,040
Latin America
Separate Account, Liability [Line Items]
Separate account liabilities	41,320	39,428
Latin America | Pension Plan
Separate Account, Liability [Line Items]
Separate account liabilities	41,320	39,428	$ 37,631	$ 50,075
MetLife Holdings
Separate Account, Liability [Line Items]
Separate account liabilities	35,548	33,974
Stable Value and Risk Solutions | Retirement and Income Solutions
Separate Account, Liability [Line Items]
Separate account liabilities	41,343	48,265	58,473	62,150
Annuities | Retirement and Income Solutions
Separate Account, Liability [Line Items]
Separate account liabilities	11,659	11,694	21,292	21,895
Annuities | MetLife Holdings
Separate Account, Liability [Line Items]
Separate account liabilities	29,224	28,499	$ 40,173	$ 40,825
Insurance, Other
Separate Account, Liability [Line Items]
Separate account liabilities	$ 21,088	$ 18,152

Separate Account Liabilities Ro

Separate Account Liabilities Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 146,038
Balance, end of period	144,634	$ 146,038
Retirement and Income Solutions
Separate Account, Liability [Roll Forward]
Balance, beginning of period	60,040
Balance, end of period	53,093	60,040
Retirement and Income Solutions | Stable Value and Risk Solutions
Separate Account, Liability [Roll Forward]
Balance, beginning of period	48,265	58,473	$ 62,150
Premiums and deposits	2,203	5,253	3,676
Policy charges	(285)	(309)	(302)
Surrenders and withdrawals	(11,123)	(5,885)	(8,170)
Benefit payments	(99)	(125)	(142)
Investment performance	2,595	(4,503)	833
Net transfers from (to) general account	(56)	82	(41)
Effect of foreign currency translation and other, net (1)	(157)	(4,721)	469
Balance, end of period	41,343	48,265	58,473
Cash Surrender Value	35,950	42,728	48,276
Retirement and Income Solutions | Investment Product
Separate Account, Liability [Roll Forward]
Balance, beginning of period	11,694	21,292	21,895
Premiums and deposits	175	1,233	944
Policy charges	(21)	(25)	(35)
Surrenders and withdrawals	(944)	(7,481)	(2,457)
Benefit payments	0	0	0
Investment performance	774	(2,823)	1,189
Net transfers from (to) general account	3	(56)	30
Effect of foreign currency translation and other, net (1)	(22)	(446)	(274)
Balance, end of period	11,659	11,694	21,292
Latin America
Separate Account, Liability [Roll Forward]
Balance, beginning of period	39,428
Balance, end of period	41,320	39,428
Latin America | Pension Plan
Separate Account, Liability [Roll Forward]
Balance, beginning of period	39,428	37,631	50,075
Premiums and deposits	7,936	7,058	6,251
Policy charges	(287)	(253)	(228)
Surrenders and withdrawals	(5,781)	(5,155)	(4,432)
Benefit payments	(1,702)	(1,559)	(6,410)
Investment performance	2,814	1,490	825
Net transfers from (to) general account	0	0	0
Effect of foreign currency translation and other, net (1)	(1,088)	216	(8,450)
Balance, end of period	41,320	39,428	37,631
Cash Surrender Value	41,320	39,428	37,631
MetLife Holdings
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,974
Balance, end of period	35,548	33,974
MetLife Holdings | Investment Product
Separate Account, Liability [Roll Forward]
Balance, beginning of period	28,499	40,173	40,825
Premiums and deposits	256	267	298
Policy charges	(609)	(665)	(789)
Surrenders and withdrawals	(2,948)	(2,911)	(4,461)
Benefit payments	(464)	(431)	(500)
Investment performance	4,561	(7,738)	5,037
Net transfers from (to) general account	(74)	(199)	(237)
Effect of foreign currency translation and other, net (1)	3	3	0
Balance, end of period	29,224	28,499	40,173
Cash Surrender Value	$ 29,078	$ 28,348	$ 39,932

Separate Account Assets Fair Va

Separate Account Assets Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Separate Account Investment [Line Items]
Separate account assets	$ 144,634	$ 146,038
Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	6,265	6,006
Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	144	242
Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	904	1,193
Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,929	2,400
Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,018	970
Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,687	11,914
Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,403	4,706
Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	5,055	6,524
Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	550	720
Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	5,388	4,216
Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	19,611	20,181
Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	424	549
Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	23,690	28,669
Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	50,502	55,083
Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,706	12,360
Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,586	2,968
Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9	4
Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	62,803	70,415
Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,389	1,468
Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	68,439	62,805
Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	115	2
Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,733	1,404
Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8,202	7,815
Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	158	168
Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	58,231	53,416
Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	137,507	139,226
Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	7,127	6,812
Group Benefits
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	990
Group Benefits | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	2
Group Benefits | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	988
Group Benefits | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Group Benefits | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	988
Group Benefits | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,159	990
Group Benefits | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Retirement and Income Solutions
Fair Value, Separate Account Investment [Line Items]
Separate account assets	53,093	60,040
Retirement and Income Solutions | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,620	1,863
Retirement and Income Solutions | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	144	242
Retirement and Income Solutions | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	893	1,182
Retirement and Income Solutions | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,882	2,393
Retirement and Income Solutions | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	911	866
Retirement and Income Solutions | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,717	3,538
Retirement and Income Solutions | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	764	882
Retirement and Income Solutions | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,920	2,473
Retirement and Income Solutions | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	547	717
Retirement and Income Solutions | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	509	588
Retirement and Income Solutions | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,673	11,340
Retirement and Income Solutions | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	380	504
Retirement and Income Solutions | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,778	12,293
Retirement and Income Solutions | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	21,417	25,908
Retirement and Income Solutions | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,671	12,328
Retirement and Income Solutions | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,557	2,926
Retirement and Income Solutions | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9	4
Retirement and Income Solutions | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	33,654	41,166
Retirement and Income Solutions | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,077	1,183
Retirement and Income Solutions | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	11,726	10,866
Retirement and Income Solutions | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	2
Retirement and Income Solutions | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	731	599
Retirement and Income Solutions | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,411	2,910
Retirement and Income Solutions | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	67	96
Retirement and Income Solutions | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8,517	7,259
Retirement and Income Solutions | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	47,000	53,895
Retirement and Income Solutions | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	6,093	6,145
Asia
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,187	8,292
Asia | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	403	411
Asia | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8	8
Asia | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	39	0
Asia | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	105	103
Asia | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	551	527
Asia | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	38	186
Asia | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,190	1,047
Asia | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	31	33
Asia | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	741	824
Asia | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,270	2,185
Asia | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	18	28
Asia | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Asia | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,288	2,213
Asia | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	308	281
Asia | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	5,993	5,234
Asia | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	115	0
Asia | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	269	270
Asia | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,661	2,330
Asia | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	19	27
Asia | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,929	2,607
Asia | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8,684	7,858
Asia | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	503	434
Latin America
Fair Value, Separate Account Investment [Line Items]
Separate account assets	41,320	39,428
Latin America | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,212	3,687
Latin America | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	6,006	7,389
Latin America | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,598	3,635
Latin America | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,095	4,018
Latin America | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,051	593
Latin America | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	9,920	8,828
Latin America | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	12,699	15,042
Latin America | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	23,670	24,463
Latin America | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	23,670	24,463
Latin America | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	12,944	11,086
Latin America | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	392	347
Latin America | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,453	2,100
Latin America | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
Latin America | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	10,099	8,639
Latin America | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	40,826	39,236
Latin America | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	494	192
EMEA
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,327	3,314
EMEA | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	30	43
EMEA | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	398	444
EMEA | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	27	21
EMEA | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2,638	1,988
EMEA | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	425	465
EMEA | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,063	2,453
EMEA | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3,063	2,453
EMEA | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	1,199	783
EMEA | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
EMEA | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	341	188
EMEA | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	677	475
EMEA | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	72	45
EMEA | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	109	75
EMEA | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4,292	3,279
EMEA | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35	35
MetLife Holdings
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,548	33,974
MetLife Holdings | Other invested assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | Commodities Investment
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | Communications
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3	3
MetLife Holdings | Separate Account, Debt Security | Consumer Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	8	7
MetLife Holdings | Separate Account, Debt Security | Energy Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	2	1
MetLife Holdings | Separate Account, Debt Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	15	16
MetLife Holdings | Separate Account, Debt Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3	3
MetLife Holdings | Separate Account, Debt Security | Foreign Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	13	12
MetLife Holdings | Separate Account, Debt Security | Technology Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	3	3
MetLife Holdings | Separate Account, Debt Security | Foreign government
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | U.S. government and agency
Fair Value, Separate Account Investment [Line Items]
Separate account assets	18	13
MetLife Holdings | Separate Account, Debt Security | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Separate Account Investment [Line Items]
Separate account assets	13	12
MetLife Holdings | Separate Account, Debt Security | Corporate Bond Securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	47	45
MetLife Holdings | Separate Account, Debt Security | Bonds
Fair Value, Separate Account Investment [Line Items]
Separate account assets	82	74
MetLife Holdings | Separate Account, Debt Security | Separate Account, Mortgage-Backed Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35	32
MetLife Holdings | Separate Account, Debt Security | Asset-Backed Securities, Securitized Loans and Receivables
Fair Value, Separate Account Investment [Line Items]
Separate account assets	11	14
MetLife Holdings | Separate Account, Debt Security | Redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Debt Security | Total fixed maturity securities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	128	120
MetLife Holdings | Separate Account, Debt Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	4	4
MetLife Holdings | Separate Account, Equity Security
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,418	33,848
MetLife Holdings | Separate Account, Equity Security | Non-redeemable Preferred Stock
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Financial Services Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Commercial and Industrial Sector
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Public Utilities
Fair Value, Separate Account Investment [Line Items]
Separate account assets	0	0
MetLife Holdings | Separate Account, Equity Security | Mutual Fund
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,418	33,848
MetLife Holdings | Investments
Fair Value, Separate Account Investment [Line Items]
Separate account assets	35,546	33,968
MetLife Holdings | Other Assets
Fair Value, Separate Account Investment [Line Items]
Separate account assets	$ 2	$ 6

Separate Accounts - Narrative (

Separate Accounts - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Fees Charged To Separate Accounts [Line Items]
Separate account assets	$ 144,634	$ 146,038
Pass Through Separate Accounts
Schedule Of Fees Charged To Separate Accounts [Line Items]
Separate account assets	115,600	108,900
Separate Accounts With Minimum Return Or Account Value
Schedule Of Fees Charged To Separate Accounts [Line Items]
Separate account assets	$ 29,000	$ 37,100
Funding Agreements and Participating Close Out Contracts Included in Separate Accounts with a Guaranteed Minimum Return or Account Value
Schedule Of Fees Charged To Separate Accounts [Line Items]
Average interest rate credited on separate accounts with a guaranteed minimum return or account value	2.60%	2.50%

Deferred Policy Acquisition C_3

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles - Transition Table (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	$ 18,388	$ 17,644	$ 17,415	$ 17,451	$ 13,446
Balance at January 1, 2021	18,388	17,644	17,415	17,451	13,446
Present Value of Future Insurance Profits, Net	1,763	2,009	2,391	2,966	2,943
Balance at January 1, 2021	1,763	2,009	2,391	2,966	2,943
Balance at December 31, 2020					2,113
Balance at January 1, 2021					2,113
Balance at December 31, 2020	427	473	557	666	738
Balance at January 1, 2021	427	473	557	666	738
Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				17,451
Removal of related amounts in AOCI				3,980
Other adjustments upon adoption of the LDTI standard				25
Balance at January 1, 2021				17,451
Present Value of Future Insurance Profits, Net				2,966
Removal of related amounts in AOCI				27
Other adjustments upon adoption of the LDTI standard				(4)
Balance at January 1, 2021				2,966
Balance at December 31, 2020				3,163
Removal of related amounts in AOCI				1,043
Other adjustments upon adoption of the LDTI standard				7
Balance at January 1, 2021				3,163
Reclassification of carrying amounts of contracts and contract features that are market risk benefits				(72)
Group Benefits
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	258	264	272	279	279
Balance at January 1, 2021	258	264	272	279	279
Present Value of Future Insurance Profits, Net	0	0	0	0	0
Balance at January 1, 2021	0	0	0	0	0
Balance at December 31, 2020					0
Balance at January 1, 2021					0
Group Benefits | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				279
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				279
Present Value of Future Insurance Profits, Net				0
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				0
Balance at December 31, 2020				0
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				0
Retirement and Income Solutions
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	397	267	191	130	130
Balance at January 1, 2021	397	267	191	130	130
Present Value of Future Insurance Profits, Net	16	19	22	25	25
Balance at January 1, 2021	16	19	22	25	25
Balance at December 31, 2020					42
Balance at January 1, 2021					42
Retirement and Income Solutions | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				130
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				130
Present Value of Future Insurance Profits, Net				25
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				25
Balance at December 31, 2020				42
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				42
Asia
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	10,864	10,270	10,058	9,741	7,432
Balance at January 1, 2021	10,864	10,270	10,058	9,741	7,432
Present Value of Future Insurance Profits, Net	1,119	1,290	1,593	1,915	1,901
Balance at January 1, 2021	1,119	1,290	1,593	1,915	1,901
Balance at December 31, 2020					587
Balance at January 1, 2021					587
Asia | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				9,741
Removal of related amounts in AOCI				2,309
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				9,741
Present Value of Future Insurance Profits, Net				1,915
Removal of related amounts in AOCI				14
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				1,915
Balance at December 31, 2020				1,616
Removal of related amounts in AOCI				1,029
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				1,616
Latin America
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	1,950	1,542	1,361	1,394	1,344
Balance at January 1, 2021	1,950	1,542	1,361	1,394	1,344
Present Value of Future Insurance Profits, Net	497	545	591	756	748
Balance at January 1, 2021	497	545	591	756	748
Balance at December 31, 2020					740
Balance at January 1, 2021					740
Latin America | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				1,394
Removal of related amounts in AOCI				50
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				1,394
Present Value of Future Insurance Profits, Net				756
Removal of related amounts in AOCI				8
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				756
Balance at December 31, 2020				835
Removal of related amounts in AOCI				95
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				835
EMEA
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	1,618	1,480	1,472	1,565	1,551
Balance at January 1, 2021	1,618	1,480	1,472	1,565	1,551
Present Value of Future Insurance Profits, Net	113	127	154	232	236
Balance at January 1, 2021	113	127	154	232	236
Balance at December 31, 2020					556
Balance at January 1, 2021					556
EMEA | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				1,565
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				14
Balance at January 1, 2021				1,565
Present Value of Future Insurance Profits, Net				232
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				(4)
Balance at January 1, 2021				232
Balance at December 31, 2020				482
Removal of related amounts in AOCI				(81)
Other adjustments upon adoption of the LDTI standard				7
Balance at January 1, 2021				482
MetLife Holdings
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	3,271	3,791	4,029	4,311	2,679
Balance at January 1, 2021	3,271	3,791	4,029	4,311	2,679
Present Value of Future Insurance Profits, Net	18	28	31	38	33
Balance at January 1, 2021	18	28	31	38	33
Balance at December 31, 2020					188
Balance at January 1, 2021					188
MetLife Holdings | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				4,311
Removal of related amounts in AOCI				1,621
Other adjustments upon adoption of the LDTI standard				11
Balance at January 1, 2021				4,311
Present Value of Future Insurance Profits, Net				38
Removal of related amounts in AOCI				5
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				38
Balance at December 31, 2020				188
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				188
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost	30	30	32	31	31
Balance at January 1, 2021	30	30	32	31	31
Present Value of Future Insurance Profits, Net	0	0	0	0	0
Balance at January 1, 2021	$ 0	$ 0	$ 0	0	0
Balance at December 31, 2020					0
Balance at January 1, 2021					$ 0
Corporate and Other [Member] | Accounting Standards Update 2018-12
Segment Reporting Information [Line Items]
Deferred Policy Acquisition Cost				31
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				31
Present Value of Future Insurance Profits, Net				0
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				0
Balance at December 31, 2020				0
Removal of related amounts in AOCI				0
Other adjustments upon adoption of the LDTI standard				0
Balance at January 1, 2021				$ 0

Deferred Policy Acquisition C_4

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (DAC and VOBA) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	$ 17,644	$ 17,415	$ 13,446
Capitalization of DAC	2,917	2,614	2,751
Amortization	1,791	1,655	1,806
Effect of foreign currency translation and other of DAC	(382)	(730)	(878)
Reclassified to assets held-for-sale (1)			(103)
Balance at January 1, 2021	18,388	17,644	17,415
Balance at December 31, 2020	2,009	2,391	2,943
Total amortization of VOBA	(161)	(176)	(231)
Effect of foreign currency translation and other of VOBA	(85)	(206)	(310)
Reclassified to assets held-for-sale			(34)
Balance at January 1, 2021	1,763	2,009	2,391
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	20,151	19,653	19,806
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	18,388	17,644	17,415	$ 17,451
Capitalization of DAC	2,917	2,614	2,751
Deferred Policy Acquisition Costs, Amortization Expense	(1,791)	(1,655)	(1,806)
Effect of foreign currency translation and other of DAC	(382)	(730)	(878)
Reclassified to assets held-for-sale (1)			103
Present Value of Future Insurance Profits, Net	1,763	2,009	2,391	2,966
Total amortization of VOBA	(161)	(176)	(231)
Effect of foreign currency translation and other of VOBA	(85)	(206)	(310)
Reclassified to assets held-for-sale			(34)
Deferred policy acquisition costs and value of business acquired	20,151	19,653	19,806	20,417
Group Benefits
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	264	272	279
Capitalization of DAC	20	18	19
Amortization	26	26	26
Effect of foreign currency translation and other of DAC	0	0	0
Reclassified to assets held-for-sale (1)			0
Balance at January 1, 2021	258	264	272
Balance at December 31, 2020	0	0	0
Total amortization of VOBA	0	0	0
Effect of foreign currency translation and other of VOBA	0	0	0
Reclassified to assets held-for-sale			0
Balance at January 1, 2021	0	0	0
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	258	264
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	258	264	272	279
Capitalization of DAC	20	18	19
Deferred Policy Acquisition Costs, Amortization Expense	(26)	(26)	(26)
Effect of foreign currency translation and other of DAC	0	0	0
Reclassified to assets held-for-sale (1)			0
Present Value of Future Insurance Profits, Net	0	0	0	0
Total amortization of VOBA	0	0	0
Effect of foreign currency translation and other of VOBA	0	0	0
Reclassified to assets held-for-sale			0
Deferred policy acquisition costs and value of business acquired	258	264
Retirement and Income Solutions
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	267	191	130
Capitalization of DAC	176	113	95
Amortization	46	37	34
Effect of foreign currency translation and other of DAC	0	0	0
Reclassified to assets held-for-sale (1)			0
Balance at January 1, 2021	397	267	191
Balance at December 31, 2020	19	22	25
Total amortization of VOBA	(3)	(3)	(3)
Effect of foreign currency translation and other of VOBA	0	0	0
Reclassified to assets held-for-sale			0
Balance at January 1, 2021	16	19	22
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	413	286
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	397	267	191	130
Capitalization of DAC	176	113	95
Deferred Policy Acquisition Costs, Amortization Expense	(46)	(37)	(34)
Effect of foreign currency translation and other of DAC	0	0	0
Reclassified to assets held-for-sale (1)			0
Present Value of Future Insurance Profits, Net	16	19	22	25
Total amortization of VOBA	(3)	(3)	(3)
Effect of foreign currency translation and other of VOBA	0	0	0
Reclassified to assets held-for-sale			0
Deferred policy acquisition costs and value of business acquired	413	286
Asia
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	10,270	10,058	7,432
Capitalization of DAC	1,583	1,530	1,601
Amortization	705	644	655
Effect of foreign currency translation and other of DAC	(284)	(674)	(629)
Reclassified to assets held-for-sale (1)			0
Balance at January 1, 2021	10,864	10,270	10,058
Balance at December 31, 2020	1,290	1,593	1,901
Total amortization of VOBA	(89)	(101)	(131)
Effect of foreign currency translation and other of VOBA	(82)	(202)	(191)
Reclassified to assets held-for-sale			0
Balance at January 1, 2021	1,119	1,290	1,593
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	11,983	11,560
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	10,864	10,270	10,058	9,741
Capitalization of DAC	1,583	1,530	1,601
Deferred Policy Acquisition Costs, Amortization Expense	(705)	(644)	(655)
Effect of foreign currency translation and other of DAC	(284)	(674)	(629)
Reclassified to assets held-for-sale (1)			0
Present Value of Future Insurance Profits, Net	1,119	1,290	1,593	1,915
Total amortization of VOBA	(89)	(101)	(131)
Effect of foreign currency translation and other of VOBA	(82)	(202)	(191)
Reclassified to assets held-for-sale			0
Deferred policy acquisition costs and value of business acquired	11,983	11,560
Latin America
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	1,542	1,361	1,344
Capitalization of DAC	651	494	406
Amortization	418	361	311
Effect of foreign currency translation and other of DAC	175	48	(128)
Reclassified to assets held-for-sale (1)			0
Balance at January 1, 2021	1,950	1,542	1,361
Balance at December 31, 2020	545	591	748
Total amortization of VOBA	(50)	(49)	(61)
Effect of foreign currency translation and other of VOBA	2	3	(104)
Reclassified to assets held-for-sale			0
Balance at January 1, 2021	497	545	591
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	2,447	2,087
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	1,950	1,542	1,361	1,394
Capitalization of DAC	651	494	406
Deferred Policy Acquisition Costs, Amortization Expense	(418)	(361)	(311)
Effect of foreign currency translation and other of DAC	175	48	(128)
Reclassified to assets held-for-sale (1)			0
Present Value of Future Insurance Profits, Net	497	545	591	756
Total amortization of VOBA	(50)	(49)	(61)
Effect of foreign currency translation and other of VOBA	2	3	(104)
Reclassified to assets held-for-sale			0
Deferred policy acquisition costs and value of business acquired	2,447	2,087
EMEA
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	1,480	1,472	1,551
Capitalization of DAC	457	422	499
Amortization	332	311	360
Effect of foreign currency translation and other of DAC	13	(103)	(129)
Reclassified to assets held-for-sale (1)			(103)
Balance at January 1, 2021	1,618	1,480	1,472
Balance at December 31, 2020	127	154	236
Total amortization of VOBA	(16)	(20)	(29)
Effect of foreign currency translation and other of VOBA	2	(7)	(15)
Reclassified to assets held-for-sale			(34)
Balance at January 1, 2021	113	127	154
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	1,731	1,607
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	1,618	1,480	1,472	1,565
Capitalization of DAC	457	422	499
Deferred Policy Acquisition Costs, Amortization Expense	(332)	(311)	(360)
Effect of foreign currency translation and other of DAC	13	(103)	(129)
Reclassified to assets held-for-sale (1)			103
Present Value of Future Insurance Profits, Net	113	127	154	232
Total amortization of VOBA	(16)	(20)	(29)
Effect of foreign currency translation and other of VOBA	2	(7)	(15)
Reclassified to assets held-for-sale			(34)
Deferred policy acquisition costs and value of business acquired	1,731	1,607
MetLife Holdings
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	3,791	4,029	2,679
Capitalization of DAC	22	29	31
Amortization	255	267	313
Effect of foreign currency translation and other of DAC	(287)	0	0
Reclassified to assets held-for-sale (1)			0
Balance at January 1, 2021	3,271	3,791	4,029
Balance at December 31, 2020	28	31	33
Total amortization of VOBA	(3)	(3)	(7)
Effect of foreign currency translation and other of VOBA	(7)	0	0
Reclassified to assets held-for-sale			0
Balance at January 1, 2021	18	28	31
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	3,289	3,819
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	3,271	3,791	4,029	4,311
Capitalization of DAC	22	29	31
Deferred Policy Acquisition Costs, Amortization Expense	(255)	(267)	(313)
Effect of foreign currency translation and other of DAC	(287)	0	0
Reclassified to assets held-for-sale (1)			0
Present Value of Future Insurance Profits, Net	18	28	31	38
Total amortization of VOBA	(3)	(3)	(7)
Effect of foreign currency translation and other of VOBA	(7)	0	0
Reclassified to assets held-for-sale			0
Deferred policy acquisition costs and value of business acquired	3,289	3,819
Corporate and Other [Member]
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract]
Balance at December 31, 2020	30	32	31
Capitalization of DAC	8	8	100
Amortization	9	9	107
Effect of foreign currency translation and other of DAC	1	(1)	8
Reclassified to assets held-for-sale (1)			0
Balance at January 1, 2021	30	30	32
Balance at December 31, 2020	0	0	0
Total amortization of VOBA	0	0	0
Effect of foreign currency translation and other of VOBA	0	0	0
Reclassified to assets held-for-sale			0
Balance at January 1, 2021	0	0	0
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance	30	30
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Deferred Policy Acquisition Cost	30	30	32	31
Capitalization of DAC	8	8	100
Deferred Policy Acquisition Costs, Amortization Expense	(9)	(9)	(107)
Effect of foreign currency translation and other of DAC	1	(1)	8
Reclassified to assets held-for-sale (1)			0
Present Value of Future Insurance Profits, Net	0	0	0	$ 0
Total amortization of VOBA	0	0	0
Effect of foreign currency translation and other of VOBA	0	0	0
Reclassified to assets held-for-sale			$ 0
Deferred policy acquisition costs and value of business acquired	$ 30	$ 30

Deferred Policy Acquisition C_5

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (DAC and VOBA by Segment) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Segment Reporting Information [Line Items]
DAC and VOBA	$ 20,151	$ 19,653	$ 19,806	$ 20,417
Group Benefits
Segment Reporting Information [Line Items]
DAC and VOBA	258	264
Retirement and Income Solutions
Segment Reporting Information [Line Items]
DAC and VOBA	413	286
Asia
Segment Reporting Information [Line Items]
DAC and VOBA	11,983	11,560
Latin America
Segment Reporting Information [Line Items]
DAC and VOBA	2,447	2,087
EMEA
Segment Reporting Information [Line Items]
DAC and VOBA	1,731	1,607
MetLife Holdings
Segment Reporting Information [Line Items]
DAC and VOBA	3,289	3,819
Corporate & Other
Segment Reporting Information [Line Items]
DAC and VOBA	$ 30	$ 30

Deferred Policy Acquisition C_6

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (VODA and VOCRA) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Insurance [Abstract]
Balance at January 1,	$ 876	$ 972	$ 1,099
Acquisitions	0	0	0
Amortization	(88)	(92)	(100)
Effect of foreign currency translation and other	6	(4)	(27)
Balance at December 31,	794	876	972
Accumulated amortization	$ 755	$ 667	$ 575

Deferred Policy Acquisition C_7

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (Negative VOBA) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Liabilities
Balance at January 1,	$ 473	$ 557	$ 738
Amortization of negative VOBA	(26)	(29)	(35)
Effect of foreign currency translation and other	(20)	(55)	(74)
Balance at December 31,	427	473	557
Accumulated amortization	$ 3,398	$ 3,372	$ 3,343

Deferred Policy Acquisition C_8

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles (Estimated Future Amortization) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Estimated future amortization expense allocated to other expenses for VOBA [Abstract]
VOBA 2024	$ 148
VOBA 2025	138
VOBA 2026	129
VOBA 2027	118
VOBA 2028	109
Value of Distribution Agreements and Customer Relationships Acquired [Abstract]
VODA and VOCRA 2024	84
VODA and VOCRA 2025	82
VODA and VOCRA 2026	80
VODA and VOCRA 2027	78
VODA and VOCRA 2028	75
Negative Value of Business Acquired [Abstract]
Negative VOBA 2024	(26)
Negative VOBA 2025	(24)
Negative VOBA 2026	(23)
Negative VOBA 2027	(22)
Negative VOBA 2028	$ (21)

Deferred Policy Acquisition C_9

Deferred Policy Acquisition Costs, Value of Business Acquired and Other Policy-Related Intangibles - Unearned Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Unearned Revenue [Roll Forward]
Deferred Revenue, Current, Beginning Balance	$ 4,106	$ 3,625	$ 3,163
Deferrals	959	856	884
Amortization	(385)	(343)	(323)
Effect of foreign currency translation and other - net	(143)	(32)	(99)
Deferred Revenue, Current, Ending Balance	4,537	4,106	3,625
Retirement and Income Solutions
Unearned Revenue [Roll Forward]
Deferred Revenue, Current, Beginning Balance	36	38	42
Deferrals	2	5	3
Amortization	(7)	(7)	(7)
Effect of foreign currency translation and other - net	0	0	0
Deferred Revenue, Current, Ending Balance	31	36	38
Asia
Unearned Revenue [Roll Forward]
Deferred Revenue, Current, Beginning Balance	2,382	2,033	1,616
Deferrals	667	546	610
Amortization	(181)	(144)	(147)
Effect of foreign currency translation and other - net	(18)	(53)	(46)
Deferred Revenue, Current, Ending Balance	2,850	2,382	2,033
Latin America
Unearned Revenue [Roll Forward]
Deferred Revenue, Current, Beginning Balance	848	795	835
Deferrals	147	134	110
Amortization	(116)	(116)	(96)
Effect of foreign currency translation and other - net	110	35	(54)
Deferred Revenue, Current, Ending Balance	989	848	795
EMEA
Unearned Revenue [Roll Forward]
Deferred Revenue, Current, Beginning Balance	559	521	482
Deferrals	95	111	97
Amortization	(63)	(59)	(59)
Effect of foreign currency translation and other - net	17	(14)	1
Deferred Revenue, Current, Ending Balance	608	559	521
MetLife Holdings
Unearned Revenue [Roll Forward]
Deferred Revenue, Current, Beginning Balance	281	238	188
Deferrals	48	60	64
Amortization	(18)	(17)	(14)
Effect of foreign currency translation and other - net	(252)	0	0
Deferred Revenue, Current, Ending Balance	$ 59	$ 281	$ 238

Reinsurance (Effects of Reinsur

Reinsurance (Effects of Reinsurance on Earnings) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Premiums:
Direct Premiums	$ 43,359	$ 47,618	$ 40,377
Reinsurance assumed	3,112	3,035	2,909
Reinsurance ceded	(2,188)	(2,143)	(2,134)
Net premiums	44,283	48,510	41,152
Universal life and investment-type product policy fees:
Direct universal life and investment-type product policy fees	5,787	5,687	5,813
Reinsurance assumed	(19)	32	(13)
Reinsurance ceded	(616)	(494)	(556)
Net universal life and investment product policy fees	5,152	5,225	5,244
Ceded Policyholder Benefits and Claims Incurred Net And Policyholder Dividends	(2,469)	(2,405)	(2,627)
Ceded Policyholder Liability, Change in Fair Value, Gain (Loss)	29	11	(8)
Ceded market risk benefits remeasurement (gains) losses	5	8	13
Policyholder Benefits and Claims:
Direct policyholder benefits and claims	44,155	49,308	43,199
Reinsurance assumed	2,904	2,604	2,546
Policyholder benefits and claims	44,590	49,507	43,118
Policyholder Liability Remeasurement (Gains) Losses:
Direct Policyholder Liability Remeasurement (Gains) Losses	(54)	94	(185)
Assumed Policyholder Liability, Change in Fair Value, Gain (Loss)	(20)	9	21
Policyholder liability remeasurement (gains) losses	45	(114)	172
Market Risk Benefit:
Direct market risk benefits remeasurement (gains) losses	(785)	(3,636)	(959)
Assumed Market Risk Benefits Remeasurement (Gains) Losses	(214)	(46)	(291)
Net market risk benefits remeasurement (gains) losses	994	3,674	1,237
Other expenses:
Direct other expenses	12,760	11,854	11,984
Reinsurance assumed	235	268	329
Reinsurance ceded	285	263	295
Total other expenses	$ 12,710	$ 11,859	$ 12,018

Reinsurance (Effects of Reins_2

Reinsurance (Effects of Reinsurance on Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Assets
Premiums, reinsurance and other receivables relating to variable interest entities	$ 28,971	$ 17,364		$ 18,169
Market risk benefits, at estimated fair value	286	280
Deferred policy acquisition costs and value of business acquired	20,151	19,653	$ 19,806	20,417
Total assets	49,408	37,297
Liabilities
Net liability for future policy benefits	196,406	187,222		224,358
Policyholder account balances	219,269	210,597
Market risk benefits, at estimated fair value	3,179	3,763		7,901
Other policy-related balances	19,736	18,424		$ 18,032
Other liabilities	35,805	25,933
Total liabilities	255,126	235,342
Direct Reinsurance [Member]
Assets
Premiums, reinsurance and other receivables relating to variable interest entities	6,044	5,427
Market risk benefits, at estimated fair value	279	273
Deferred policy acquisition costs and value of business acquired	20,297	19,522
Total assets	26,620	25,222
Liabilities
Net liability for future policy benefits	192,424	183,377
Market risk benefits, at estimated fair value	3,141	3,591
Other policy-related balances	18,852	17,250
Other liabilities	27,125	18,654
Total liabilities	241,542	222,872
Assumed Reinsurance [Member]
Assets
Premiums, reinsurance and other receivables relating to variable interest entities	1,405	1,505
Market risk benefits, at estimated fair value	7	7
Deferred policy acquisition costs and value of business acquired	353	352
Total assets	1,765	1,864
Liabilities
Net liability for future policy benefits	3,982	3,845
Market risk benefits, at estimated fair value	38	172
Other policy-related balances	1,152	1,183
Other liabilities	1,892	2,006
Total liabilities	7,064	7,206
Ceded Reinsurance [Member]
Assets
Premiums, reinsurance and other receivables relating to variable interest entities	21,522	10,432
Market risk benefits, at estimated fair value	0	0
Deferred policy acquisition costs and value of business acquired	(499)	(221)
Total assets	21,023	10,211
Liabilities
Net liability for future policy benefits	0	0
Market risk benefits, at estimated fair value	0	0
Other policy-related balances	(268)	(9)
Other liabilities	6,788	5,273
Total liabilities	6,520	$ 5,264
Universal Life, Variable Universal Life, and Universal Life with Secondary Guarantees
Liabilities
Other liabilities	$ 770

Reinsurance (Narrative) (Detail

Reinsurance (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2021
Reinsurance Disclosures [Abstract]
Deposit assets in premiums, reinsurance, and other receivables or secondary guarantee risk for reinsurance	$ 5,100	$ 1,900
Deposit liabilities in other liabilities for reinsurance	1,300	1,400
Ceded Credit Risk [Line Items]
Reinsurance recoverables	16,700	6,100
Other liabilities	35,805	25,933
Investments	446,137	433,293
Separate account assets	144,634	146,038
Premiums, reinsurance and other receivables relating to variable interest entities	28,971	17,364	$ 18,169
Ceded Reinsurance [Member]
Ceded Credit Risk [Line Items]
Other liabilities	6,788	5,273
Premiums, reinsurance and other receivables relating to variable interest entities	$ 21,522	10,432
Modified Coinsurance of Closed Block [Member]
Reinsurance Retention Policy [Line Items]
Reinsurance Retention Policy, Reinsured Risk, Percentage	59%
Universal Life, Variable Universal Life, and Universal Life with Secondary Guarantees
Ceded Credit Risk [Line Items]
Other liabilities	$ 770
Fixed Maturity Securities AFS and Mortgage Loans
Ceded Credit Risk [Line Items]
Investments	9,500
Ceded Credit Risk, Unsecured [Member]
Ceded Credit Risk [Line Items]
Reinsurance recoverables	4,400	3,800
Global Atlantic Financial Group
Ceded Credit Risk [Line Items]
Ceding Commissions, Before Tax	2,200
Separate account assets	5,000
Global Atlantic Financial Group | Ceded Reinsurance [Member]
Ceded Credit Risk [Line Items]
Premiums, reinsurance and other receivables relating to variable interest entities	10,300
Five Largest Ceded Reinsurers [Member]
Ceded Credit Risk [Line Items]
Five largest reinsurers, reinsurance recoverables amount	$ 14,100	$ 4,200
Five largest reinsurers, reinsurance recoverables percentage	84%	69%
Five Largest Ceded Reinsurers [Member] | Ceded Credit Risk, Unsecured [Member]
Ceded Credit Risk [Line Items]
Five largest reinsurers, reinsurance recoverables amount	$ 2,500	$ 2,300

Closed Block (Liabilities and A

Closed Block (Liabilities and Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Closed Block Liabilities
Future policy benefits	$ 36,142	$ 37,222
Other policy-related balances	319	273
Policyholder dividends payable	174	181
Other liabilities	668	455
Total closed block liabilities	37,303	38,131
Assets Designated to the Closed Block
Fixed maturity securities available-for-sale, at estimated fair value	19,939	19,648
Equity securities, at estimated fair value	10	13
Mortgage loans	6,151	6,564
Policy loans	3,960	4,084
Real estate and real estate joint ventures	668	635
Other invested assets	496	692
Total investments	31,224	31,636
Cash and cash equivalents	717	437
Accrued investment income	383	375
Premiums, reinsurance and other receivables	54	52
Current income tax recoverable	3	88
Deferred income tax asset	312	423
Total assets designated to the closed block	32,693	33,011
Excess of closed block liabilities over assets designated to the closed block	4,610	5,120
AOCI:
Unrealized investment gains (losses), net of income tax	(820)	(1,357)
Unrealized gains (losses) on derivatives, net of income tax	130	262
Total amounts included in AOCI	(690)	(1,095)
Maximum future earnings to be recognized from closed block assets and liabilities	$ 3,920	$ 4,025

Closed Block (Policyholder Divi

Closed Block (Policyholder Dividend Obligation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Closed block policyholder dividend obligation
Balance at January 1,	$ 0	$ 1,682	$ 2,969
Change in unrealized investment and derivative gains (losses)	0	(1,682)	(1,287)
Balance at December 31,	$ 0	$ 0	$ 1,682

Closed Block (Revenues and Expe

Closed Block (Revenues and Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Premiums	$ 922	$ 1,104	$ 1,298
Net investment income	1,362	1,382	1,541
Net investment gains (losses)	7	(51)	(36)
Net derivative gains (losses)	0	33	18
Total revenues	2,291	2,468	2,821
Expenses
Policyholder benefits and claims	1,706	1,890	2,150
Policyholder dividends	366	458	626
Other expenses	86	90	96
Total expenses	2,158	2,438	2,872
Revenues, net of expenses before provision for income tax expense (benefit)	133	30	(51)
Provision for income tax expense (benefit)	28	6	(11)
Revenues, net of expenses and provision for income tax expense (benefit)	$ 105	$ 24	$ (40)

Investments (Fixed Maturity Sec

Investments (Fixed Maturity Securities Available-For-Sale by Sector) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 300,555	$ 306,025
Allowance for Credit Loss for Debt Securities	(184)	(183)	$ (91)
Gross Unrealized Gains	6,876	5,239
Gross Unrealized Losses	25,835	34,301
Estimated Fair Value of Fixed Maturity Securities AFS	281,412	276,780
U.S. corporate
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	85,563	88,466
Allowance for Credit Loss for Debt Securities	(68)	(29)	(30)
Gross Unrealized Gains	1,894	1,133
Gross Unrealized Losses	6,672	9,540
Estimated Fair Value of Fixed Maturity Securities AFS	80,717	80,030
Foreign corporate
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	59,123	59,696
Allowance for Credit Loss for Debt Securities	(2)	(5)	(28)
Gross Unrealized Gains	1,750	1,213
Gross Unrealized Losses	5,427	8,332
Estimated Fair Value of Fixed Maturity Securities AFS	55,444	52,572
Foreign government
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	48,260	50,047
Allowance for Credit Loss for Debt Securities	(88)	(130)	(19)
Gross Unrealized Gains	1,754	1,876
Gross Unrealized Losses	4,437	5,046
Estimated Fair Value of Fixed Maturity Securities AFS	45,489	46,747
U.S. government and agency
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	35,374	35,658
Allowance for Credit Loss for Debt Securities	0	0
Gross Unrealized Gains	590	431
Gross Unrealized Losses	3,712	3,860
Estimated Fair Value of Fixed Maturity Securities AFS	32,252	32,229
RMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	31,479	29,496
Allowance for Credit Loss for Debt Securities	(1)	0	0
Gross Unrealized Gains	353	187
Gross Unrealized Losses	2,735	3,518
Estimated Fair Value of Fixed Maturity Securities AFS	29,096	26,165
ABS & CLO
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	17,910	17,991
Allowance for Credit Loss for Debt Securities	(7)	0	0
Gross Unrealized Gains	54	23
Gross Unrealized Losses	663	1,192
Estimated Fair Value of Fixed Maturity Securities AFS	17,294	16,822
Municipals
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,991	13,548
Allowance for Credit Loss for Debt Securities	0	0
Gross Unrealized Gains	408	317
Gross Unrealized Losses	1,228	1,713
Estimated Fair Value of Fixed Maturity Securities AFS	11,171	12,152
CMBS
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,855	11,123
Allowance for Credit Loss for Debt Securities	(18)	(19)	$ (14)
Gross Unrealized Gains	73	59
Gross Unrealized Losses	961	1,100
Estimated Fair Value of Fixed Maturity Securities AFS	$ 9,949	$ 10,063

Investments (Maturities of Fixe

Investments (Maturities of Fixed Maturity Securities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Available-for-sale Securities, Debt Maturities [Abstract]
Amortized Cost, Due in one year or less	$ 9,644
Amortized Cost, Due after one year through five years	48,922
Amortized Cost, Due after five years through ten years	51,837
Amortized Cost, Due after ten years	129,750
Amortized Cost, Structured Securities	60,218
Amortized Cost, net of ACL	300,371
Estimated Fair Value, Due in one year or less	9,677
Estimated Fair Value, Due after one year through five years	48,325
Estimated Fair Value, Due after five years through ten years	50,598
Estimated Fair Value, Due after ten years	116,473
Estimated Fair Value, Structured Securities	56,339
Estimated Fair Value of Fixed Maturity Securities AFS	$ 281,412	$ 276,780

Investments (Continuous Gross U

Investments (Continuous Gross Unrealized Losses for Fixed Maturity Securities Available-For-Sale) (Details) $ in Millions	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	$ 26,345	$ 165,460
Less than 12 months, Gross Unrealized Loss	$ 1,382	$ 23,406
Total number of securities in an unrealized loss position less than 12 months	2,922	15,204
Equal to or Greater than 12 Months, Estimated Fair Value	$ 152,089	$ 41,420
Equal to or Greater than 12 Months ,Gross Unrealized Loss	$ 24,394	$ 10,889
Total number of securities in an unrealized loss position equal or greater than 12 months	13,049	4,303
U.S. corporate
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	$ 4,722	$ 55,210
Less than 12 months, Gross Unrealized Loss	420	7,573
Equal to or Greater than 12 Months, Estimated Fair Value	45,373	6,484
Equal to or Greater than 12 Months ,Gross Unrealized Loss	6,208	1,965
Foreign corporate
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	3,210	31,932
Less than 12 months, Gross Unrealized Loss	187	5,999
Equal to or Greater than 12 Months, Estimated Fair Value	32,355	8,956
Equal to or Greater than 12 Months ,Gross Unrealized Loss	5,240	2,332
Foreign government
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	3,913	16,568
Less than 12 months, Gross Unrealized Loss	246	2,170
Equal to or Greater than 12 Months, Estimated Fair Value	19,715	8,308
Equal to or Greater than 12 Months ,Gross Unrealized Loss	4,187	2,874
U.S. government and agency
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	7,856	20,436
Less than 12 months, Gross Unrealized Loss	368	2,784
Equal to or Greater than 12 Months, Estimated Fair Value	13,960	4,177
Equal to or Greater than 12 Months ,Gross Unrealized Loss	3,344	1,076
RMBS
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	3,465	16,223
Less than 12 months, Gross Unrealized Loss	60	1,890
Equal to or Greater than 12 Months, Estimated Fair Value	17,128	6,650
Equal to or Greater than 12 Months ,Gross Unrealized Loss	2,675	1,628
ABS & CLO
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	1,662	10,924
Less than 12 months, Gross Unrealized Loss	31	712
Equal to or Greater than 12 Months, Estimated Fair Value	11,438	4,326
Equal to or Greater than 12 Months ,Gross Unrealized Loss	629	480
Municipals
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	483	7,277
Less than 12 months, Gross Unrealized Loss	34	1,514
Equal to or Greater than 12 Months, Estimated Fair Value	5,449	482
Equal to or Greater than 12 Months ,Gross Unrealized Loss	1,194	199
CMBS
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	1,034	6,890
Less than 12 months, Gross Unrealized Loss	36	764
Equal to or Greater than 12 Months, Estimated Fair Value	6,671	2,037
Equal to or Greater than 12 Months ,Gross Unrealized Loss	917	335
Investment Grade
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	24,834	157,654
Less than 12 months, Gross Unrealized Loss	1,287	22,713
Equal to or Greater than 12 Months, Estimated Fair Value	146,138	38,785
Equal to or Greater than 12 Months ,Gross Unrealized Loss	23,675	10,298
Below Investment Grade
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Estimated Fair Value	1,511	7,806
Less than 12 months, Gross Unrealized Loss	95	693
Equal to or Greater than 12 Months, Estimated Fair Value	5,951	2,635
Equal to or Greater than 12 Months ,Gross Unrealized Loss	$ 719	$ 591

Investments (ACL for Fixed Matu

Investments (ACL for Fixed Maturity Securities AFS by Sector) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	$ 183	$ 91
ACL not previously recorded	47	292
Changes for securities with previously recorded ACL	(9)	(29)
Securities sold or exchanged	(37)	(139)
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		10
Write-offs		(22)
Allowance, end of period	184	183
U.S. corporate
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	29	30
ACL not previously recorded	36	13
Changes for securities with previously recorded ACL	7	17
Securities sold or exchanged	(4)	(9)
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		0
Write-offs		(22)
Allowance, end of period	68	29
Foreign corporate
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	5	28
ACL not previously recorded	0	67
Changes for securities with previously recorded ACL	0	2
Securities sold or exchanged	(3)	(93)
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		(1)
Write-offs		0
Allowance, end of period	2	5
Foreign government
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	130	19
ACL not previously recorded	0	207
Changes for securities with previously recorded ACL	(23)	(48)
Securities sold or exchanged	(19)	(37)
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		11
Write-offs		0
Allowance, end of period	88	130
RMBS
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	0	0
ACL not previously recorded	2	0
Changes for securities with previously recorded ACL	(1)	0
Securities sold or exchanged	0	0
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		0
Write-offs		0
Allowance, end of period	1	0
ABS & CLO
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	0	0
ACL not previously recorded	7	0
Changes for securities with previously recorded ACL	0	0
Securities sold or exchanged	0	0
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		0
Write-offs		0
Allowance, end of period	7	0
CMBS
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Allowance, beginning of period	19	14
ACL not previously recorded	2	5
Changes for securities with previously recorded ACL	8	0
Securities sold or exchanged	(11)	0
Debt Securities Available for sale Allowance for Credit Loss, Foreign Currency Translation		0
Write-offs		0
Allowance, end of period	$ 18	$ 19

Investments (Equity Securities)

Investments (Equity Securities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Equity Securities, FV-NI, Unrealized Gains (Losses)	$ 1,589	$ 562
Equity securities	757	1,684
Common Stock
Debt and Equity Securities, FV-NI [Line Items]
Equity Securities, FV-NI, Cost	424	1,347
Equity Securities, FV-NI, Unrealized Gains (Losses)	239	195
Equity securities	663	1,542
Non-redeemable Preferred Stock
Debt and Equity Securities, FV-NI [Line Items]
Equity Securities, FV-NI, Cost	90	148
Equity Securities, FV-NI, Unrealized Gains (Losses)	4	(6)
Equity securities	94	142
Equity Securities
Debt and Equity Securities, FV-NI [Line Items]
Equity Securities, FV-NI, Cost	514	1,495
Equity Securities, FV-NI, Unrealized Gains (Losses)	243	189
Equity securities	$ 757	$ 1,684

Investments (Contractholder-Dir

Investments (Contractholder-Directed Equity Securities and FVO Securities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Trading, and Equity Securities, FV-NI, Cost	$ 8,742	$ 9,106
Contracted-Directed Equity Securities and FVO Securities, FV-NI, Unrealized Gains (Losses)	1,589	562
Contractholder-directed equity securities and fair value option securities, at estimated fair value	10,331	9,668
Unit-linked investments
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Trading, and Equity Securities, FV-NI, Cost	7,770	7,945
Contracted-Directed Equity Securities and FVO Securities, FV-NI, Unrealized Gains (Losses)	1,112	288
Contractholder-directed equity securities and fair value option securities, at estimated fair value	8,882	8,233
FVO securities
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Trading, and Equity Securities, FV-NI, Cost	972	1,161
Contracted-Directed Equity Securities and FVO Securities, FV-NI, Unrealized Gains (Losses)	477	274
Contractholder-directed equity securities and fair value option securities, at estimated fair value	$ 1,449	$ 1,435

Investments (Mortgage Loans by

Investments (Mortgage Loans by Portfolio Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	$ 93,227	$ 84,290
Allowance for Credit Loss	(721)	(527)	$ (634)	$ (590)
Total mortgage loans	$ 92,506	$ 83,763
Percentage Of mortgage total recorded investment To Mortgage Loans On Real Estate Commercial And Consumer Net	100.80%	100.60%
Percentage of Allowance for Credit Losses for Financing Receivables	0.80%	0.60%
Percentage Of Mortgage Loans On Real Estate To Mortgage Loans On Real Estate Commercial And Consumer Net	100%	100%
Other liabilities	$ 35,805	$ 25,933
Investment Income, Investment Expense	2,262	1,284	949
Loans Originated For Third Party
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	8,500
Allowance for Credit Loss	(73)
Other liabilities	8,500
Mortgage Income On Loans Originated For Third Party
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Investment Income, Operating	408
Mortgage Expense On Loans Originated For Third Party
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment Income, Investment Expense	408
Commercial Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	60,326	52,502
Allowance for Credit Loss	$ (367)	$ (218)	(340)	(252)
Percentage Of Mortgage Loans, Gross	65.20%	62.70%
Commercial Mortgage Loans | Loans Originated For Third Party
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	$ 8,200
Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	13,096	$ 12,482
Allowance for Credit Loss	$ (182)	$ (190)	(206)	(232)
Percentage Of Mortgage Loans, Gross	14.20%	14.90%
Agricultural Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	$ 19,805	$ 19,306
Allowance for Credit Loss	$ (172)	$ (119)	$ (88)	$ (106)
Percentage Of Mortgage Loans, Gross	21.40%	23%
Agricultural Mortgage Loans | Loans Originated For Third Party
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	$ 246

Investments (Mortgage Loans All

Investments (Mortgage Loans Allowance for Credit Loss Rollforward by Portfolio Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at January 1,	$ 527	$ 634	$ 590
Provision (release)	249	43	67
Initial credit losses on PCD loans (1)	0	3
Charge-offs, net of recoveries	(55)	(150)	(26)
Balance at December 31,	721	527	634
Commercial Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at January 1,	218	340	252
Provision (release)	168	(2)	88
Initial credit losses on PCD loans (1)	0	0
Charge-offs, net of recoveries	(19)	(120)	0
Balance at December 31,	367	218	340
Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at January 1,	190	206	232
Provision (release)	(8)	(8)	(27)
Initial credit losses on PCD loans (1)	0	3
Charge-offs, net of recoveries	0	(8)	(2)
Balance at December 31,	182	190	206
Agricultural Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at January 1,	119	88	106
Provision (release)	89	53	6
Initial credit losses on PCD loans (1)	0	0
Charge-offs, net of recoveries	(36)	(22)	(24)
Balance at December 31,	$ 172	$ 119	$ 88

Investments (Modifications to B

Investments (Modifications to Borrowers Experiencing Financial Difficulty) (Details) - Commercial Mortgage Loans $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modified, Weighted Average Term Increase	Less than one year
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	1%
Extended Maturity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 522

Investments (Credit Quality of

Investments (Credit Quality of Commercial Mortgage Loans) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage Loans, Gross	$ 93,227	$ 84,290
Commercial Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	3,068
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,829
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	7,441
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4,714
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	8,615
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	24,961
Financing Receivable, Revolving	2,698
Mortgage Loans, Gross	$ 60,326	$ 52,502
Loans Receivable Commercial Mortgage Percentage	100%
Commercial Mortgage Loans | Greater than 1.20x
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 2,088
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	7,387
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	6,880
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	4,372
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	7,243
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	21,644
Financing Receivable, Revolving	2,698
Mortgage Loans, Gross	$ 52,312
Loans Receivable Commercial Mortgage Percentage	86.70%
Commercial Mortgage Loans | 1.00x - 1.20x
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 666
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	590
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	543
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	849
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,986
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 4,634
Loans Receivable Commercial Mortgage Percentage	7.70%
Commercial Mortgage Loans | Less than 1.00x
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 314
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	852
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	18
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	342
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	523
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,331
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 3,380
Loans Receivable Commercial Mortgage Percentage	5.60%
Commercial Mortgage Loans | Less than 65%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 2,592
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,724
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	3,392
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,787
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	4,220
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	13,082
Financing Receivable, Revolving	2,698
Mortgage Loans, Gross	$ 30,495
Loans Receivable Commercial Mortgage Percentage	50.60%
Commercial Mortgage Loans | 65% to 75%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 372
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,465
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,737
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,651
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,636
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,114
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 16,975
Loans Receivable Commercial Mortgage Percentage	28.10%
Commercial Mortgage Loans | 76% to 80%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 58
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	846
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	335
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	377
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,367
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,692
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 4,675
Loans Receivable Commercial Mortgage Percentage	7.70%
Commercial Mortgage Loans | Greater than 80%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 46
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	794
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	977
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	899
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,392
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,073
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 8,181
Loans Receivable Commercial Mortgage Percentage	13.60%

Investments (Credit Quality o_2

Investments (Credit Quality of Agricultural and Residential Mortgage Loans) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage Loans, Gross	$ 93,227	$ 84,290
Mortgage Loans in Process of Foreclosure, Amount	140	146
Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	772
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,554
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,523
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	352
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	971
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,924
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 13,096	12,482
Loans Receivable Residential Mortgage Percentage	100%
Residential Mortgage Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 767
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,508
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,501
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	336
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	927
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,639
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 12,678
Loans Receivable Residential Mortgage Percentage	96.80%
Residential Mortgage Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 5
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	46
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	22
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	16
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	44
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	285
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 418
Loans Receivable Residential Mortgage Percentage	3.20%
Agricultural Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 1,157
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,892
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,951
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,890
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,885
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	6,509
Financing Receivable, Revolving	1,521
Mortgage Loans, Gross	$ 19,805	$ 19,306
Loans Receivable Agricultural Mortgage Percentage	100%
Agricultural Mortgage Loans | Less than 65%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 1,123
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,796
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,650
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,725
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	1,728
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,953
Financing Receivable, Revolving	1,394
Mortgage Loans, Gross	$ 18,369
Loans Receivable Agricultural Mortgage Percentage	92.80%
Agricultural Mortgage Loans | 65% to 75%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 30
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	96
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	301
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	160
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	24
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	542
Financing Receivable, Revolving	121
Mortgage Loans, Gross	$ 1,274
Loans Receivable Agricultural Mortgage Percentage	6.40%
Agricultural Mortgage Loans | 76% to 80%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Revolving	0
Mortgage Loans, Gross	$ 0
Loans Receivable Agricultural Mortgage Percentage	0%
Agricultural Mortgage Loans | Greater than 80%
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 4
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	133
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	14
Financing Receivable, Revolving	6
Mortgage Loans, Gross	$ 162
Loans Receivable Agricultural Mortgage Percentage	0.80%

Investments (Past Due and Inter

Investments (Past Due and Interest Accrual Status of Mortgage Loans) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	$ 93,227	$ 84,290
Greater than 90 Days Past Due and Still Accruing Interest	19	39
Financing Receivable, Nonaccrual	1,035	762
Financial Asset, Past Due
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	533	603
Commercial Mortgage Loans
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	60,326	52,502
Greater than 90 Days Past Due and Still Accruing Interest	3	6
Financing Receivable, Nonaccrual	427	169
Commercial Mortgage Loans | Financial Asset, Past Due
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	75	6
Residential Mortgage Loans
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	13,096	12,482
Greater than 90 Days Past Due and Still Accruing Interest	16	12
Financing Receivable, Nonaccrual	402	462
Residential Mortgage Loans | Financial Asset, Past Due
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	418	473
Agricultural Mortgage Loans
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	19,805	19,306
Greater than 90 Days Past Due and Still Accruing Interest	0	21
Financing Receivable, Nonaccrual	206	131
Agricultural Mortgage Loans | Financial Asset, Past Due
Financing Receivable, Nonaccrual [Line Items]
Mortgage Loans, Gross	$ 40	$ 124

Investments (Real Estate and Re

Investments (Real Estate and Real Estate Joint Ventures) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real Estate [Line Items]
Leased real estate investments, Carrying Value	$ 4,446	$ 4,523
Other real estate investments, Carrying Value	507	487
Real estate joint ventures, Carrying Value	8,379	8,127
Real Estate Investments, Net	13,332	13,137
Income (Loss) from Equity Method Investments	151	1,305	$ 5,136
Real Estate and Real Estate Joint Ventures
Real Estate [Line Items]
Gross Investment Income, Operating	$ 438	$ 1,200	$ 954
Leased real estate
Real Estate [Line Items]
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Other real estate
Real Estate [Line Items]
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Real estate joint ventures
Real Estate [Line Items]
Income (Loss) from Equity Method Investments	$ (225)	$ 556	$ 326

Investments (Leased Real Estate

Investments (Leased Real Estate Investments - Operating Leases) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 4,446	$ 4,523
Office
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 2,221	$ 2,206
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Retail
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 753	$ 804
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Apartment
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 641	$ 625
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Land
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 564	$ 562
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Industrial
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 200	$ 254
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Hotel
Schedule of Operating Leases by Property Type [Line Items]
Leased real estate investments, Carrying Value	$ 67	$ 72
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Leased real estate
Schedule of Operating Leases by Property Type [Line Items]
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues
Other real estate
Schedule of Operating Leases by Property Type [Line Items]
Operating Lease, Lease Income	Total revenues	Total revenues	Total revenues

Investments (Concentrations of

Investments (Concentrations of Credit Risk) (Details) - Foreign government - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
JAPAN
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair Value, Concentration of Risk, Investments	$ 22,606	$ 24,295
Republic of Korea
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair Value, Concentration of Risk, Investments	6,411	5,887
MEXICO
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair Value, Concentration of Risk, Investments	$ 3,778	$ 3,463

Investments (Securities Lending

Investments (Securities Lending and Repurchase Agreements) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	$ 10,788	$ 12,092
Reinvestment portfolio — estimated fair value	10,553	11,833
Repurchase Agreements
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	2,975	3,125
Reinvestment portfolio — estimated fair value	2,913	3,057
Estimated fair value
Securities Financing Transaction [Line Items]
Securities loaned	10,510	11,756
Securities Sold under Agreements to Repurchase	$ 3,029	$ 3,176

Investments (Securities Lendi_2

Investments (Securities Lending and Repurchase Agreements Remaining Tenor ) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	$ 10,788	$ 12,092
U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	9,418	10,494
Foreign government
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	1,107	1,344
Agency RMBS
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	263	254
Open (1)
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	1,393	1,945
Open (1) | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	1,393	1,945
Open (1) | Foreign government
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Open (1) | Agency RMBS
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
1 Month or Less
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	4,677	5,933
1 Month or Less | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	4,106	5,448
1 Month or Less | Foreign government
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	483	422
1 Month or Less | Agency RMBS
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	88	63
Over 1 Month to 6 Months
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	4,718	4,214
Over 1 Month to 6 Months | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	3,919	3,101
Over 1 Month to 6 Months | Foreign government
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	624	922
Over 1 Month to 6 Months | Agency RMBS
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	175	191
Over 6 Months to 1 Year
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Over 6 Months to 1 Year | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Over 6 Months to 1 Year | Foreign government
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Over 6 Months to 1 Year | Agency RMBS
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Repurchase Agreements
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	2,975	3,125
Repurchase Agreements | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	2,975	3,125
Repurchase Agreements | Open (1) | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Repurchase Agreements | 1 Month or Less | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	2,975	3,125
Repurchase Agreements | Over 1 Month to 6 Months | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	0	0
Repurchase Agreements | Over 6 Months to 1 Year | U.S. government and agency
Securities Financing Transaction [Line Items]
Cash collateral on deposit from counterparties	$ 0	$ 0

Investments (Invested Assets on

Investments (Invested Assets on Deposit, Held In Trust and Pledged as Collateral) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Investment Holdings, Other than Securities [Line Items]
Invested assets on deposit (regulatory deposits)	$ 1,596	$ 1,514
Invested assets held in trust (external reinsurance agreements) (1)	941	881
Invested assets pledged as collateral	26,017	25,442
Total invested assets on deposit, held in trust and pledged as collateral	28,554	27,837
Affiliated Entity
Investment Holdings, Other than Securities [Line Items]
Invested assets held in trust (external reinsurance agreements) (1)	$ 2,000	$ 1,900

Investments (Consolidated Varia

Investments (Consolidated Variable Interest Entities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Total Assets	$ 687,584	$ 663,072
Total Liabilities	657,331	632,947
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	346	342
Total Liabilities	1	1
Investment funds (primarily other invested assets) | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	282	266
Total Liabilities	1	1
Renewable energy partnership (primarily other invested assets) | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	64	76
Total Liabilities	$ 0	$ 0

Investments (Unconsolidated Var

Investments (Unconsolidated Variable Interest Entities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Total Assets	$ 687,584	$ 663,072
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Total Assets	70,461	66,921
Maximum Exposure to Loss	76,103	72,663
Variable Interest Entity, Not Primary Beneficiary | Fixed Maturity Securities
Variable Interest Entity [Line Items]
Total Assets	54,182	51,422
Maximum Exposure to Loss	54,182	51,422
Variable Interest Entity, Not Primary Beneficiary | Other limited partnership interests
Variable Interest Entity [Line Items]
Total Assets	14,034	13,244
Maximum Exposure to Loss	19,591	18,906
Variable Interest Entity, Not Primary Beneficiary | Other invested assets
Variable Interest Entity [Line Items]
Total Assets	1,206	1,310
Maximum Exposure to Loss	1,275	1,387
Variable Interest Entity, Not Primary Beneficiary | Other Investments
Variable Interest Entity [Line Items]
Total Assets	1,039	945
Maximum Exposure to Loss	$ 1,055	$ 948

Investments (Net Investment Inc

Investments (Net Investment Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Investment Income [Line Items]
Less: Investment expenses	$ 2,262	$ 1,284	$ 949
Net investment income	19,908	15,916	21,395
Securities Investment
Net Investment Income [Line Items]
Gross Investment Income, Operating	20,987	18,498	21,392
Net investment income	18,725	17,214	20,443
Fixed maturity securities AFS
Net Investment Income [Line Items]
Gross Investment Income, Operating	12,990	11,490	10,996
Equity Securities
Net Investment Income [Line Items]
Gross Investment Income, Operating	32	36	36
FVO securities
Net Investment Income [Line Items]
Net investment income	188	(127)	167
Mortgage loans
Net Investment Income [Line Items]
Gross Investment Income, Operating	4,761	3,539	3,435
Policy loans
Net Investment Income [Line Items]
Gross Investment Income, Operating	471	460	474
Real Estate and Real Estate Joint Ventures
Net Investment Income [Line Items]
Gross Investment Income, Operating	438	1,200	954
OLPI
Net Investment Income [Line Items]
Gross Investment Income, Operating	454	858	4,927
Cash, cash equivalents and short-term investments
Net Investment Income [Line Items]
Gross Investment Income, Operating	1,011	358	103
Operating joint ventures
Net Investment Income [Line Items]
Gross Investment Income, Operating	38	51	77
Other Investments
Net Investment Income [Line Items]
Gross Investment Income, Operating	604	633	223
Unit-linked investments
Net Investment Income [Line Items]
Net investment income	$ 1,183	$ (1,298)	$ 952

Investments (Supplemental Net I

Investments (Supplemental Net Investment Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Investment Income [Line Items]
Debt and Equity Securities, Realized Gain (Loss)	$ (821)	$ (725)	$ 1,229
Equity Securities, FV-NI, Unrealized Gain (Loss)	60	(86)	177
Income (Loss) from Equity Method Investments	151	1,305	5,136
Net investment income
Net Investment Income [Line Items]
Debt and Equity Securities, Realized Gain (Loss)	207	155	518
Debt and Equity Securities, Unrealized Gain (Loss)	1,168	(1,586)	616
Debt and Equity Securities, Gain (Loss)	1,375	(1,431)	1,134
Unit-linked investments
Net Investment Income [Line Items]
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ 1,119	$ (1,286)	$ 730

Investments (Components of Net

Investments (Components of Net Investment Gains Losses - Asset Type) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Marketable Securities, Gain (Loss) [Abstract]
Fixed maturity securities AFS (1)	$ (2,471)	$ (1,912)	$ 66
Equity Securities, FV-NI, Gain (Loss)	81	(133)	108
Other net investment gains (losses):
Mortgage loans	(270)	21	(18)
Real estate and REJV (excluding changes in estimated fair value)	69	653	502
OLPI (excluding changes in estimated fair value)	12	53	(6)
Other gains (losses) (2)	(158)	178	131
Subtotal - investment portfolio gains (losses)	(2,737)	(1,140)	783
Change In Estimated Fair Value Of Other Limited Partnership Interests And Real Estate Joint Ventures	(6)	(14)	45
Non-investment portfolio gains (losses)	(81)	(106)	715
Subtotal	(87)	(120)	760
Net investment gains (losses)	$ (2,824)	$ (1,260)	$ 1,543

Investments (Components of Ne_2

Investments (Components of Net Investment Gains Losses - Transaction Type) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Gain (Loss) on Securities [Line Items]
Realized gains (losses) on investments sold or disposed	$ (1,028)	$ (880)	$ 711
Impairment (losses)	(1,498)	(40)	(24)
Change in allowance for credit loss recognized in earnings	(271)	(134)	(86)
Unrealized net gains (losses) recognized in earnings	54	(100)	227
Total recognized gains (losses)	(217)	(234)	141
Non-investment portfolio gains (losses)	(81)	(106)	715
Net investment gains (losses)	(2,824)	(1,260)	1,543
Gain (Loss) on Sale of Mortgage Loans	(2)
Impairment (losses)	(1,300)	(40)	(24)
Fixed maturity securities AFS (1)	(2,471)	$ (1,912)	$ 66
Reinsurance Risk Transfer Transaction
Gain (Loss) on Securities [Line Items]
Realized gains (losses) on investments sold or disposed	1,200
Impairment (losses)	(1,300)
Fixed maturity securities AFS (1)	95
Commercial Mortgage Loans | Reinsurance Risk Transfer Transaction
Gain (Loss) on Securities [Line Items]
Other Asset Impairment Charges	$ (56)

Investments (Supplemental Net_2

Investments (Supplemental Net Investment Gains (Losses)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Investment Income [Line Items]
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ 60	$ (86)	$ 177
Realized gains (losses) on investments sold or disposed	(1,028)	(880)	711
Gains (losses) on leveraged leases and renewable energy partnerships	24	33	12
Foreign Currency Transaction Gain (Loss), Realized	52	183	(9)
Debt and Equity Securities, Realized Gain (Loss)	(821)	(725)	1,229
Cash Flow Hedging [Member]
Net Investment Income [Line Items]
Realized gains (losses) on investments sold or disposed	(7)	38	88
Equity Securities
Net Investment Income [Line Items]
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ 22	$ (89)	$ 77

Investments (Fixed Maturity S_2

Investments (Fixed Maturity Securities AFS - Sales and Disposals and Credit Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Proceeds	$ 40,625	$ 67,754	$ 54,612
Gross investment gains	563	935	761
Gross investment (losses)	(1,732)	(2,704)	(656)
Realized gains (losses) on sales and disposals	(1,169)	(1,769)	105
Net credit loss (provision) release (change in ACL recognized in earnings)	(2)	(103)	(15)
Impairment (losses)	(1,300)	(40)	(24)
Net credit loss (provision) release and impairment (losses)	(1,302)	(143)	(39)
Realized Investment Gains (Losses)	(1,028)	(880)	711
Equity securities	21	(47)	(69)
Equity Securities, FV-NI, Unrealized Gain (Loss)	60	(86)	177
Equity Securities, FV-NI, Gain (Loss)	81	(133)	108
Fixed Maturity Securities
Debt Securities, Available-for-sale [Line Items]
Realized Investment Gains (Losses)	$ (2,471)	$ (1,912)	$ 66

Investments (Evaluation of Fixe

Investments (Evaluation of Fixed Maturity Securities AFS in an Unrealized Loss Position - Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Change in Gross Unrealized Temporary Loss	$ 10,325	$ (56,497)	$ (12,840)
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	25,800
Equal to or Greater than 12 Months ,Gross Unrealized Loss	24,394	10,889
Below Investment Grade
Debt Securities, Available-for-sale [Line Items]
Equal to or Greater than 12 Months ,Gross Unrealized Loss	719	$ 591
Fixed maturity securities without an allowance for credit loss
Debt Securities, Available-for-sale [Line Items]
Change in Gross Unrealized Temporary Loss	$ 8,500

Investments (Mortgage Loans - N

Investments (Mortgage Loans - Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	$ (736)	$ (744)
Financing Receivable, Purchase	1,500	3,100	$ 1,800
Mortgage Loans Contributed To Joint Ventures	15	489
Amortized Cost Of Mortgage Loans Foreclosed	37	467
Gain On Mortgage Loans Foreclosure		34
Mortgage Loans, Gross	$ 93,227	$ 84,290
Percentage of mortgage loans with LTV ratio in excess of 100%	2%
Percentage of Mortgage Loans Classified as Performing	99%	99%
Commercial Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	$ 277	$ 219
Mortgage Loans, Gross	60,326	52,502
Commercial Mortgage Loans | Reinsurance Risk Transfer Transaction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Sale	254
Gain (Loss) on Sale of Financing Receivable	58
Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	95	81
Mortgage Loans, Gross	13,096	12,482
Agricultural Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	204	176
Mortgage Loans, Gross	19,805	$ 19,306
Mortgage Loans with LTV ratio in excess of 100% [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans, Gross	$ 1,600

Investments (Real Estate and _2

Investments (Real Estate and Real Estate Joint Ventures - Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investments, All Other Investments [Abstract]
Real Estate Acquired Through Foreclosure	$ 190	$ 182
Depreciation	112	118	$ 123
Real Estate Investment Property, Net	$ 952	$ 863

Investments (Operating Leases -

Investments (Operating Leases - Narrative) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Investments, All Other Investments [Abstract]
Lessor, Operating Lease, Payment to be Received, Year One	$ 244
Lessor, Operating Lease, Payment to be Received, Year Two	200
Lessor, Operating Lease, Payment to be Received, Year Three	164
Lessor, Operating Lease, Payment to be Received, Year Four	144
Lessor, Operating Lease, Payment to be Received, Year Five	125
Lessor, Operating Lease, Payment to be Received, after Year Five	957
Lessor, Operating Lease, Payments to be Received	$ 1,800

Investments (Other Invested Ass

Investments (Other Invested Assets - Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Carrying value of Tax Credits	$ 518	$ 759
Losses From Tax Credits	$ 145	$ 174	$ 195

Investments (Cash Equivalents -

Investments (Cash Equivalents - Narrative) (Details) - USD ($) $ in Billions	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Cash equivalents	$ 10.8	$ 10

Investments (Invested Assets _2

Investments (Invested Assets on Deposit, Held in Trust and Pledged as Collateral - Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Federal Home Loan Bank Stock	$ 714	$ 729

Investments (Collectively Signi

Investments (Collectively Significant Equity Method Investments - Narrative) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 25,200								$ 25,200
Unfunded Commitments For Investments Accounted For Under Equity Method	6,700								6,700
Total Assets	687,584				$ 663,072				687,584	$ 663,072
Total Liabilities	657,331				632,947				657,331	632,947
Net income (loss)	614	$ 495	$ 408	$ 85	1,581	$ 1,167	$ 915	$ 1,639	1,602	5,302	$ 6,876
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
Total Assets	1,200,000				1,200,000				1,200,000	1,200,000
Total Liabilities	$ 148,000				$ 148,900				148,000	148,900
Net income (loss)									$ 32,800	$ (11,800)	$ 231,000

Derivatives (Primary Risks) (De

Derivatives (Primary Risks) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 301,234	$ 328,116
Estimated Fair Value Assets	8,737	11,411
Estimated Fair Value Liabilities	6,298	6,975
Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	64,155	63,923
Estimated Fair Value Assets	4,215	5,244
Estimated Fair Value Liabilities	3,320	3,909
Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	6,475	6,081
Estimated Fair Value Assets	1,312	1,445
Estimated Fair Value Liabilities	600	556
Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedges [Member] | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	4,550	4,143
Estimated Fair Value Assets	1,257	1,353
Estimated Fair Value Liabilities	535	467
Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedges [Member] | Foreign currency swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	1,475	602
Estimated Fair Value Assets	55	82
Estimated Fair Value Liabilities	0	0
Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedges [Member] | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	450	1,336
Estimated Fair Value Assets	0	10
Estimated Fair Value Liabilities	65	89
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	54,177	54,162
Estimated Fair Value Assets	2,509	3,563
Estimated Fair Value Liabilities	2,712	3,315
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	4,156	4,107
Estimated Fair Value Assets	1	8
Estimated Fair Value Liabilities	265	262
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest rate forwards
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	6,115	7,447
Estimated Fair Value Assets	51	1
Estimated Fair Value Liabilities	938	1,354
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	43,906	42,608
Estimated Fair Value Assets	2,457	3,554
Estimated Fair Value Liabilities	1,509	1,699
Derivatives Designated as Hedging Instruments [Member] | Foreign Operations Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	3,503	3,680
Estimated Fair Value Assets	394	236
Estimated Fair Value Liabilities	8	38
Derivatives Designated as Hedging Instruments [Member] | Foreign Operations Hedges [Member] | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	503	680
Estimated Fair Value Assets	0	0
Estimated Fair Value Liabilities	8	38
Derivatives Designated as Hedging Instruments [Member] | Foreign Operations Hedges [Member] | Currency options
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	3,000	3,000
Estimated Fair Value Assets	394	236
Estimated Fair Value Liabilities	0	0
Not Designated as Hedging Instrument, Economic Hedge | Derivative Contract [Domain]
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(596)	(640)
Not Designated as Hedging Instrument, Economic Hedge | Interest rate
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	9,096	9,098
Estimated Fair Value Assets	13	41
Estimated Fair Value Liabilities	663	764
Not Designated as Hedging Instrument, Economic Hedge | Foreign currency exchange rate
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	716	887
Estimated Fair Value Assets	22	26
Estimated Fair Value Liabilities	2	2
Not Designated as Hedging Instrument, Economic Hedge | Equity
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	5,189	8,829
Estimated Fair Value Assets	77	233
Estimated Fair Value Liabilities	373	381
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	237,079	264,193
Estimated Fair Value Assets	4,522	6,167
Estimated Fair Value Liabilities	2,978	3,066
Derivative, Gain (Loss) on Derivative, Net	(3,234)	(3,401)	$ (4,305)
Not Designated as Hedging Instrument [Member] | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	29,801	31,661
Estimated Fair Value Assets	1,497	1,660
Estimated Fair Value Liabilities	1,102	1,354
Not Designated as Hedging Instrument [Member] | Interest rate forwards
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	2,383	381
Estimated Fair Value Assets	69	0
Estimated Fair Value Liabilities	36	32
Not Designated as Hedging Instrument [Member] | Interest rate floors
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	15,321	25,270
Estimated Fair Value Assets	41	125
Estimated Fair Value Liabilities	0	0
Not Designated as Hedging Instrument [Member] | Interest rate caps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	30,016	48,290
Estimated Fair Value Assets	373	950
Estimated Fair Value Liabilities	0	0
Not Designated as Hedging Instrument [Member] | Interest rate futures
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	1,243	1,453
Estimated Fair Value Assets	1	2
Estimated Fair Value Liabilities	5	1
Not Designated as Hedging Instrument [Member] | Interest rate options
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	43,926	44,391
Estimated Fair Value Assets	385	473
Estimated Fair Value Liabilities	103	88
Not Designated as Hedging Instrument [Member] | Synthetic GICs
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	49,066	46,316
Estimated Fair Value Assets	0	0
Estimated Fair Value Liabilities	0	0
Not Designated as Hedging Instrument [Member] | Foreign currency swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	11,891	12,815
Estimated Fair Value Assets	1,200	1,454
Estimated Fair Value Liabilities	356	383
Not Designated as Hedging Instrument [Member] | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	14,128	16,195
Estimated Fair Value Assets	310	544
Estimated Fair Value Liabilities	806	661
Not Designated as Hedging Instrument [Member] | Currency futures
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	314	333
Estimated Fair Value Assets	2	8
Estimated Fair Value Liabilities	0	0
Not Designated as Hedging Instrument [Member] | Currency options
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	50	0
Estimated Fair Value Assets	0	0
Estimated Fair Value Liabilities	0	0
Not Designated as Hedging Instrument [Member] | Credit default swaps — purchased
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	2,877	2,925
Estimated Fair Value Assets	3	18
Estimated Fair Value Liabilities	79	79
Not Designated as Hedging Instrument [Member] | Credit default swaps — written
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	12,468	11,512
Estimated Fair Value Assets	233	133
Estimated Fair Value Liabilities	5	28
Not Designated as Hedging Instrument [Member] | Equity futures
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	2,163	2,988
Estimated Fair Value Assets	8	8
Estimated Fair Value Liabilities	11	4
Not Designated as Hedging Instrument [Member] | Equity index options
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	19,421	16,701
Estimated Fair Value Assets	399	765
Estimated Fair Value Liabilities	255	323
Not Designated as Hedging Instrument [Member] | Equity variance swaps
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	99	163
Estimated Fair Value Assets	0	4
Estimated Fair Value Liabilities	2	1
Not Designated as Hedging Instrument [Member] | Equity Total Return Swaps [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	1,912	2,799
Estimated Fair Value Assets	1	23
Estimated Fair Value Liabilities	218	112
Not Designated as Hedging Instrument [Member] | Derivatives hedging MRBs
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	15,001	18,814
Estimated Fair Value Assets	112	300
Estimated Fair Value Liabilities	$ 1,038	$ 1,147

Derivatives Derivatives (Effect

Derivatives Derivatives (Effects on the Consolidated Statement of Operations and Comprehensive Income (Loss)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	$ 19,908,000,000	$ 15,916,000,000	$ 21,395,000,000
Net investment gains (losses)	(2,824,000,000)	(1,260,000,000)	1,543,000,000
Policyholder benefits and claims	(44,590,000,000)	(49,507,000,000)	(43,118,000,000)
Gain (Loss) on Derivative Instruments, Net, Pretax	(2,140,000,000)	(2,251,000,000)	(3,257,000,000)
Policyholder Account Balance, Interest Expense	(7,860,000,000)	(3,894,000,000)	(5,571,000,000)
Operating Expenses	12,710,000,000	11,859,000,000	12,018,000,000
Other Comprehensive Income (Loss), before Tax	4,259,000,000	(25,956,000,000)	(3,282,000,000)
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	1,000,000	1,000,000	6,000,000
Net investment gains (losses)	(28,000,000)	43,000,000	(6,000,000)
Policyholder benefits and claims	(26,000,000)	(54,000,000)	45,000,000
Policyholder Account Balance, Interest Expense	(6,000,000)	(5,000,000)	(5,000,000)
Operating Expenses	0	0	0
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Net investment income	54,000,000	65,000,000	64,000,000
Net investment gains (losses)	102,000,000	19,000,000	82,000,000
Policyholder Account Balance, Interest Expense	0	0	0
Operating Expenses	2,000,000	5,000,000	5,000,000
Other Comprehensive Income (Loss), before Tax	(1,811,000,000)	(85,000,000)	137,000,000
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment gains (losses)	5,000,000
Other Comprehensive Income (Loss), before Tax	246,000,000	132,000,000	139,000,000
Foreign Exchange Forward [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), before Tax		85,000,000	97,000,000
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment gains (losses)	5,000,000
Other Comprehensive Income (Loss), before Tax	226,000,000
Interest rate contracts | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Net investment income	50,000,000	59,000,000	56,000,000
Net investment gains (losses)	90,000,000	41,000,000	84,000,000
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	0	0	0
Operating Expenses	0	4,000,000	3,000,000
Other Comprehensive Income (Loss), before Tax	(140,000,000)	(104,000,000)	(143,000,000)
Credit forwards [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Net investment income	0	0	0
Net investment gains (losses)	1,000,000	0	0
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	0	0	0
Operating Expenses	0	0	0
Other Comprehensive Income (Loss), before Tax	(1,000,000)	0	0
Currency Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Net investment income	4,000,000	6,000,000	8,000,000
Net investment gains (losses)	558,000,000	(609,000,000)	(403,000,000)
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	0	0	0
Operating Expenses	2,000,000	1,000,000	2,000,000
Other Comprehensive Income (Loss), before Tax	(564,000,000)	602,000,000	393,000,000
Derivative [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	0	0	0
Net investment gains (losses)	(20,000,000)	46,000,000	0
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	0	0	0
Operating Expenses	0	0	0
Derivative [Member] | Interest rate swaps | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	3,000,000	9,000,000	6,000,000
Net investment gains (losses)	0	0	0
Policyholder benefits and claims	0	959,000,000	373,000,000
Policyholder Account Balance, Interest Expense	(29,000,000)	(254,000,000)	(83,000,000)
Operating Expenses	0	0	0
Derivative [Member] | Currency Swap [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	39,000,000	109,000,000	50,000,000
Net investment gains (losses)	(41,000,000)	(220,000,000)	(191,000,000)
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	(20,000,000)	0	0
Operating Expenses	0	0	0
Fixed Maturity Securities | Interest rate swaps | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	3,000,000	9,000,000	6,000,000
Net investment gains (losses)	0	0	0
Policyholder benefits and claims	(26,000,000)	905,000,000	(328,000,000)
Policyholder Account Balance, Interest Expense	(31,000,000)	(249,000,000)	(78,000,000)
Operating Expenses	0	0	0
Fixed Maturity Securities | Currency Swap [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	38,000,000	110,000,000	44,000,000
Net investment gains (losses)	33,000,000	217,000,000	185,000,000
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	(24,000,000)	0	0
Operating Expenses	0	0	0
Foreign Currency Gain (Loss) [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Net investment income	0	0	0
Net investment gains (losses)	(547,000,000)	587,000,000	401,000,000
Policyholder benefits and claims	0	0	0
Policyholder Account Balance, Interest Expense	0	0	0
Operating Expenses	0	0	0
Other Comprehensive Income (Loss), before Tax	0	0	0
Non-derivative [Domain] [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), before Tax	20,000,000	47,000,000	42,000,000
Accumulated Other Comprehensive Income (Loss) | Credit forwards [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), before Tax	0	0	(14,000,000)
Accumulated Other Comprehensive Income (Loss) | Currency Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), before Tax	(1,215,000,000)	1,784,000,000	500,000,000
Accumulated Other Comprehensive Income (Loss) | Interest rate swaps | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), before Tax	109,000,000	(2,367,000,000)	(599,000,000)
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	3,234,000,000	3,401,000,000	4,305,000,000
Net investment income	52,000,000	50,000,000	54,000,000
Operating Expenses	0		0
Not Designated as Hedging Instrument [Member] | Nonoperating Income (Expense) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Operating Expenses		0
Foreign Exchange [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	1,443,000,000	372,000,000	983,000,000
Net investment income	0	2,000,000	0
Credit derivatives — purchased | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	17,000,000	(75,000,000)	(9,000,000)
Net investment income	0	0	0
Credit derivatives — written | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(135,000,000)	92,000,000	(41,000,000)
Net investment income	0	0	0
Equity Market Risk [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	1,296,000,000	(673,000,000)	1,580,000,000
Net investment income	52,000,000	45,000,000	56,000,000
Foreign Currency Gain (Loss) [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(366,000,000)	(282,000,000)	(249,000,000)
Net investment income	0	0	0
Interest Rate Risk [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	979,000,000	3,967,000,000	2,041,000,000
Net investment income	0	3,000,000	2,000,000
Nonoperating Income (Expense) [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	178,000,000	376,000,000	151,000,000
Net investment gains (losses)	0	0	0
Policyholder benefits and claims	(4,000,000)	(112,000,000)	(166,000,000)
Gain (Loss) on Derivative Instruments, Net, Pretax	1,055,000,000	1,029,000,000	993,000,000
Policyholder Account Balance, Interest Expense	(149,000,000)	(120,000,000)	(121,000,000)
Other Comprehensive Income (Loss), before Tax	0	0	0
Net Embedded Derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Policyholder benefits and claims			0
Gain (Loss) on Derivative Instruments, Net, Pretax	(36,000,000)	121,000,000	55,000,000
Synthetic GICs [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	75,000,000	0	0
Effects of Derivatives on Consolidated Statements of Operations and Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment income	179,000,000	490,000,000	167,000,000
Net investment gains (losses)	79,000,000	62,000,000	76,000,000
Policyholder benefits and claims	22,000,000	(58,000,000)	(121,000,000)
Policyholder Account Balance, Interest Expense	155,000,000	125,000,000	126,000,000
Operating Expenses	2,000,000	5,000,000	5,000,000
Other Comprehensive Income (Loss), before Tax	$ (1,565,000,000)	$ 47,000,000	$ 276,000,000

Derivatives (Fair Value Hedges)

Derivatives (Fair Value Hedges) (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Fixed maturity securities AFS
Derivative Instruments, Gain (Loss) [Line Items]
Hedged Asset, Discontinued Fair Value Hedge, Cumulative Increase (Decrease)	$ (111)	$ (136)
Debt Instruments, Carrying Amount	454	1,411
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)	3	1
Mortgage loans
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instruments, Carrying Amount	359	331
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)	(11)	(19)
Future policy benefits [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instruments, Carrying Amount	(2,863)	(2,816)
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)	191	199
Policyholder Account Balances [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instruments, Carrying Amount	(1,911)	(1,789)
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)	$ 25	$ 104

Derivatives (Cash Flow Hedges)

Derivatives (Cash Flow Hedges) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Maximum Length of Time Hedged in Cash Flow Hedge	5 years	6 years
Derivative, Average Remaining Maturity	4 years 6 months	4 years 8 months 12 days
B [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Average Remaining Maturity	5 years	4 years 8 months 12 days

Derivatives (Hedges of Net Inve

Derivatives (Hedges of Net Investments in Foreign Operations) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Debt Designated as Non-derivative Hedging Instrument	$ 298	$ 318
Derivatives used in Net Investment Hedge, Net of Tax	$ 681	$ 435

Derivatives (Credit Derivatives

Derivatives (Credit Derivatives) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 228	$ 105
Maximum Amount of Future Payments under Credit Default Swaps	$ 12,468	$ 11,512
Weighted Average Years to Maturity	4 years 6 months	4 years 8 months 12 days
Aaa/Aa/A
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 82	$ 82
Maximum Amount of Future Payments under Credit Default Swaps	$ 3,980	$ 4,409
Weighted Average Years to Maturity	2 years 7 months 6 days	3 years 4 months 24 days
Aaa/Aa/A | Single name credit default swaps (3)
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 2	$ 3
Maximum Amount of Future Payments under Credit Default Swaps	$ 150	$ 158
Weighted Average Years to Maturity	1 year 7 months 6 days	2 years 2 months 12 days
Aaa/Aa/A | Credit default swaps referencing indices
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 80	$ 79
Maximum Amount of Future Payments under Credit Default Swaps	$ 3,830	$ 4,251
Weighted Average Years to Maturity	2 years 8 months 12 days	3 years 4 months 24 days
Baa
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 146	$ 29
Maximum Amount of Future Payments under Credit Default Swaps	$ 8,287	$ 6,856
Weighted Average Years to Maturity	5 years 3 months 18 days	5 years 6 months
Baa | Single name credit default swaps (3)
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 1	$ 1
Maximum Amount of Future Payments under Credit Default Swaps	$ 99	$ 81
Weighted Average Years to Maturity	2 years 1 month 6 days	2 years 6 months
Baa | Credit default swaps referencing indices
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 145	$ 28
Maximum Amount of Future Payments under Credit Default Swaps	$ 8,188	$ 6,775
Weighted Average Years to Maturity	5 years 4 months 24 days	5 years 7 months 6 days
Ba
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 2	$ 2
Maximum Amount of Future Payments under Credit Default Swaps	$ 42	$ 87
Weighted Average Years to Maturity	2 years 7 months 6 days	2 years 1 month 6 days
Ba | Single name credit default swaps (3)
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 0	$ 0
Maximum Amount of Future Payments under Credit Default Swaps	$ 17	$ 62
Weighted Average Years to Maturity	2 years 1 month 6 days	1 year 3 months 18 days
Ba | Credit default swaps referencing indices
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 2	$ 2
Maximum Amount of Future Payments under Credit Default Swaps	$ 25	$ 25
Weighted Average Years to Maturity	3 years	4 years
B [Member]
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 2	$ 2
Maximum Amount of Future Payments under Credit Default Swaps	$ 129	$ 130
Weighted Average Years to Maturity	5 years	4 years 8 months 12 days
B [Member] | Credit default swaps referencing indices
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ 2	$ 2
Maximum Amount of Future Payments under Credit Default Swaps	$ 129	$ 130
Weighted Average Years to Maturity	5 years	4 years 8 months 12 days
Caa
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ (4)	$ (10)
Maximum Amount of Future Payments under Credit Default Swaps	$ 30
Weighted Average Years to Maturity	2 years 6 months	3 years 6 months
Caa | Credit default swaps referencing indices
Credit Derivatives [Line Items]
Estimated Fair Value of Credit Default Swaps	$ (4)	$ (10)
Maximum Amount of Future Payments under Credit Default Swaps	$ 30	$ 30
Weighted Average Years to Maturity	2 years 6 months	3 years 6 months

Derivatives (Estimated Fair Val

Derivatives (Estimated Fair Value of Derivative Assets and Liabilities after Master Netting Agreements and Cash Collateral) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset Excluding Accruals	$ 8,918	$ 11,577
Derivative Liability, Fair Value, Gross Liability Excluding Accruals	6,307	6,975
Net amount of derivative assets after application of master netting agreements and cash collateral	183	175
Net amount of derivative liabilities after application of master netting agreements and cash collateral	19	25
Over the Counter [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset Excluding Accruals	8,749	11,438
Derivative Liability, Fair Value, Gross Liability Excluding Accruals	6,014	6,628
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset	(3,568)	(4,579)
Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset	(3,568)	(4,579)
Cash collateral on derivative assets	(3,448)	(5,432)
Cash collateral on derivative liabilities	0	0
Securities collateral on derivative assets	(1,563)	(1,322)
Securities collateral on derivative liabilities	(2,427)	(2,024)
Exchange Traded [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset Excluding Accruals	11	18
Derivative Liability, Fair Value, Gross Liability Excluding Accruals	16	5
Gross estimated fair value of derivative assets	1	1
Gross estimated fair value of derivative liabilities	1	1
Cash collateral on derivative assets	0	0
Cash collateral on derivative liabilities	(5)	(3)
Securities collateral on derivative assets	0	0
Securities collateral on derivative liabilities	(10)	(1)
Cleared [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset Excluding Accruals	158	121
Derivative Liability, Fair Value, Gross Liability Excluding Accruals	277	342
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset	(5)	(33)
Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset	(5)	(33)
Cash collateral on derivative assets	(150)	(35)
Cash collateral on derivative liabilities	(239)	(295)
Securities collateral on derivative assets	0	0
Securities collateral on derivative liabilities	$ (33)	$ (14)

Derivatives (Credit Risk on Fre

Derivatives (Credit Risk on Freestanding Derivatives) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Credit Derivatives [Line Items]
Collateral Amount Not Provided Due to Downgrade Threshold	$ 15
Estimated fair value of derivatives in a net liability position (1)	2,447	$ 2,049
Derivative assets	8,737	11,411
Derivative liabilities	6,298	6,975
Fixed maturity securities AFS
Credit Derivatives [Line Items]
Estimated fair value of collateral provided:	3,017	2,267
Accrued Liabilities [Member]
Credit Derivatives [Line Items]
Derivative assets	181	166
Derivative liabilities	9	0
Derivatives Subject to Credit-Contingent Provisions
Credit Derivatives [Line Items]
Estimated fair value of derivatives in a net liability position (1)	2,443	2,049
Derivatives Subject to Credit-Contingent Provisions | Fixed maturity securities AFS
Credit Derivatives [Line Items]
Estimated fair value of collateral provided:	3,011	2,267
Derivatives Not Subject to Credit-Contingent Provisions
Credit Derivatives [Line Items]
Estimated fair value of derivatives in a net liability position (1)	4	0
Derivatives Not Subject to Credit-Contingent Provisions | Fixed maturity securities AFS
Credit Derivatives [Line Items]
Estimated fair value of collateral provided:	$ 6	$ 0

Derivatives (Embedded Derivativ

Derivatives (Embedded Derivatives) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	$ 93	$ 17
Funds withheld on ceded reinsurance | Other liabilities
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	(70)	(123)
Fixed annuities with equity indexed returns [Member] | Policyholder account balances [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	$ 163	$ 140

Derivatives (Narrative) (Detail

Derivatives (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Estimated Fair Value Assets	$ 8,737	$ 11,411
Estimated Fair Value Liabilities	6,298	6,975
Maximum Amount of Future Payments under Credit Default Swaps	12,468	11,512
Estimated Fair Value of Credit Default Swaps	228	105
Excess cash collateral received on derivatives	163	$ 252
Securities collateral received which the company is permitted to sell or repledge, amount that has been sold or repledged	$ 0
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Average Remaining Maturity	4 years 6 months	4 years 8 months 12 days
Net investment gains (losses)	$ (2,824)	$ (1,260)	$ 1,543
Derivative Instrument Detail [Abstract]
Net amounts reclassified into net derivatives gains (losses) on discontinued cash flow hedges	$ 31	$ 30	(1)
Hedging exposure to variability in future cash flows for specific length of time	5 years	6 years
Accumulated Other Comprehensive Income Loss	$ 166	$ 2,000
Deferred net gains (losses) expected to be reclassified to earnings	41
Cumulative foreign currency translation gain (loss) recorded in accumulated other comprehensive income (loss) for net investment in foreign operations hedges	681	435
Excess securities collateral provided on derivatives	98	125
Ba [Member]
Derivatives, Fair Value [Line Items]
Maximum Amount of Future Payments under Credit Default Swaps	42	87
Estimated Fair Value of Credit Default Swaps	$ 2	$ 2
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Average Remaining Maturity	2 years 7 months 6 days	2 years 1 month 6 days
Over the Counter [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Collateral, Obligation to Return Cash, Offset	$ 3,448	$ 5,432
Excess securities collateral received on derivatives	(298)	(398)
Excess securities collateral provided on derivatives	(1,500)	(1,200)
Exchange Cleared [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Collateral, Obligation to Return Cash, Offset	150	35
Excess securities collateral provided on derivatives	(945)	(1,000)
Exchange Traded [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Collateral, Obligation to Return Cash, Offset	0	0
Excess securities collateral provided on derivatives	(137)	(184)
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net investment gains (losses)	102	19	$ 82
Credit Index Product [Member] | Ba [Member]
Derivatives, Fair Value [Line Items]
Maximum Amount of Future Payments under Credit Default Swaps	25	25
Estimated Fair Value of Credit Default Swaps	$ 2	$ 2
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Average Remaining Maturity	3 years	4 years
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Estimated Fair Value Assets	$ 181	$ 166
Estimated Fair Value Liabilities	$ 9	$ 0

Fair Value (Recurring Fair Valu

Fair Value (Recurring Fair Value Measurements) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2021	Dec. 31, 2020
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	$ 281,412	$ 276,780
Equity securities	757	1,684
Unit-linked and FVO securities (1)	10,331	9,668
Short-term investments (2)	6,045	4,935
Derivative assets	8,737	11,411
Market risk benefits, at estimated fair value	286	280
Reinsured MRB assets			$ 51	$ 0
Separate account assets	144,634	146,038
Liabilities [Abstract]
Derivative liabilities	6,298	6,975
Embedded derivatives within liability host contracts (7)	93	17
Market risk benefits, at estimated fair value	3,179	3,763	$ 7,901
Separate account liabilities	144,634	146,038
Recurring
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	281,412	276,780
Equity securities	757	1,684
Unit-linked and FVO securities (1)	10,331	9,668
Short-term investments (2)	5,797	4,573
Other investments	1,386	1,132
Derivative assets	8,737	11,411
Market risk benefits, at estimated fair value	286	280
Reinsured MRB assets	18	23
Separate account assets	144,634	146,038
Total assets (6)	453,358	451,589
Liabilities [Abstract]
Derivative liabilities	6,298	6,975
Embedded derivatives within liability host contracts (7)	93	17
Market risk benefits, at estimated fair value	3,179	3,763
Total liabilities	9,578	10,796
Recurring | Interest rate contracts
Assets [Abstract]
Derivative assets	3,675	4,572
Liabilities [Abstract]
Derivative liabilities	2,984	3,558
Recurring | Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	4,418	5,888
Liabilities [Abstract]
Derivative liabilities	2,744	2,870
Recurring | Credit contracts
Assets [Abstract]
Derivative assets	236	151
Liabilities [Abstract]
Derivative liabilities	84	107
Recurring | Equity market contracts
Assets [Abstract]
Derivative assets	408	800
Liabilities [Abstract]
Derivative liabilities	486	440
Recurring | Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	8	41
Recurring | U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	80,717	80,030
Recurring | Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	55,444	52,572
Recurring | Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	45,489	46,747
Recurring | U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	32,252	32,229
Recurring | RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	29,096	26,165
Recurring | ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	17,294	16,822
Recurring | Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	11,171	12,152
Recurring | CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	9,949	10,063
Recurring | Level 1
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	15,330	15,959
Equity securities	429	1,293
Unit-linked and FVO securities (1)	7,520	7,101
Short-term investments (2)	5,103	3,830
Other investments	48	0
Derivative assets	11	18
Market risk benefits, at estimated fair value	0	0
Reinsured MRB assets	0	0
Separate account assets	66,229	65,107
Total assets (6)	94,670	93,308
Liabilities [Abstract]
Derivative liabilities	16	5
Embedded derivatives within liability host contracts (7)	0	0
Market risk benefits, at estimated fair value	0	0
Total liabilities	20	13
Recurring | Level 1 | Interest rate contracts
Assets [Abstract]
Derivative assets	1	2
Liabilities [Abstract]
Derivative liabilities	5	1
Recurring | Level 1 | Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	2	8
Liabilities [Abstract]
Derivative liabilities	0	0
Recurring | Level 1 | Credit contracts
Assets [Abstract]
Derivative assets	0	0
Liabilities [Abstract]
Derivative liabilities	0	0
Recurring | Level 1 | Equity market contracts
Assets [Abstract]
Derivative assets	8	8
Liabilities [Abstract]
Derivative liabilities	11	4
Recurring | Level 1 | Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	4	8
Recurring | Level 1 | U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 1 | Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 1 | Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 1 | U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	15,327	15,955
Recurring | Level 1 | RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	3	4
Recurring | Level 1 | ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 1 | Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 1 | CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 2
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	233,135	232,048
Equity securities	79	132
Unit-linked and FVO securities (1)	1,708	1,780
Short-term investments (2)	667	686
Other investments	363	206
Derivative assets	8,688	11,094
Market risk benefits, at estimated fair value	0	0
Reinsured MRB assets	0	0
Separate account assets	77,258	79,703
Total assets (6)	321,898	325,649
Liabilities [Abstract]
Derivative liabilities	6,101	6,501
Embedded derivatives within liability host contracts (7)	0	0
Market risk benefits, at estimated fair value	0	0
Total liabilities	6,105	6,516
Recurring | Level 2 | Interest rate contracts
Assets [Abstract]
Derivative assets	3,674	4,570
Liabilities [Abstract]
Derivative liabilities	2,805	3,153
Recurring | Level 2 | Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	4,393	5,670
Liabilities [Abstract]
Derivative liabilities	2,737	2,820
Recurring | Level 2 | Credit contracts
Assets [Abstract]
Derivative assets	228	69
Liabilities [Abstract]
Derivative liabilities	84	92
Recurring | Level 2 | Equity market contracts
Assets [Abstract]
Derivative assets	393	785
Liabilities [Abstract]
Derivative liabilities	475	436
Recurring | Level 2 | Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	4	15
Recurring | Level 2 | U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	67,003	67,578
Recurring | Level 2 | Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	40,813	40,623
Recurring | Level 2 | Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	45,438	46,644
Recurring | Level 2 | U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	16,925	16,274
Recurring | Level 2 | RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	27,495	24,515
Recurring | Level 2 | ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	15,191	14,895
Recurring | Level 2 | Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	11,171	12,152
Recurring | Level 2 | CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	9,099	9,367
Recurring | Level 3
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	32,947	28,773
Equity securities	249	259
Unit-linked and FVO securities (1)	1,103	787
Short-term investments (2)	27	57
Other investments	975	926
Derivative assets	38	299
Market risk benefits, at estimated fair value	286	280
Reinsured MRB assets	18	23
Separate account assets	1,147	1,228
Total assets (6)	36,790	32,632
Liabilities [Abstract]
Derivative liabilities	181	469
Embedded derivatives within liability host contracts (7)	93	17
Market risk benefits, at estimated fair value	3,179	3,763
Total liabilities	3,453	4,267
Recurring | Level 3 | Interest rate contracts
Assets [Abstract]
Derivative assets	0	0
Liabilities [Abstract]
Derivative liabilities	174	404
Recurring | Level 3 | Foreign currency exchange rate contracts
Assets [Abstract]
Derivative assets	23	210
Liabilities [Abstract]
Derivative liabilities	7	50
Recurring | Level 3 | Credit contracts
Assets [Abstract]
Derivative assets	8	82
Liabilities [Abstract]
Derivative liabilities	0	15
Recurring | Level 3 | Equity market contracts
Assets [Abstract]
Derivative assets	7	7
Liabilities [Abstract]
Derivative liabilities	0	0
Recurring | Level 3 | Derivative Liabilities Within Separate Accounts
Liabilities [Abstract]
Separate account liabilities	0	18
Recurring | Level 3 | U.S. corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	13,714	12,452
Recurring | Level 3 | Foreign corporate
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	14,631	11,949
Recurring | Level 3 | Foreign government
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	51	103
Recurring | Level 3 | U.S. government and agency
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 3 | RMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	1,598	1,646
Recurring | Level 3 | ABS & CLO
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	2,103	1,927
Recurring | Level 3 | Municipals
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	0	0
Recurring | Level 3 | CMBS
Assets [Abstract]
Estimated Fair Value of Fixed Maturity Securities AFS	850	696
Other limited partnership interests | Recurring
Assets [Abstract]
Investments, Fair Value Disclosure	$ 52	$ 65

Fair Value (Quantitative Inform

Fair Value (Quantitative Information) (Details)	Dec. 31, 2023	Dec. 31, 2022
Minimum | Interest rate | Measurement Input, Swap Yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	367	372
Minimum | Foreign currency exchange rate | Measurement Input, Swap Yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	185	74
Minimum | Credit | Measurement Input, Credit Spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	0	84
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 0 - 40
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0	0
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 41 - 60
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0004	0.0005
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 61 - 115
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0	0.0023
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 1 - 10
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0039	0.0040
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 11 - 20
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0039	0.0049
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 21 - 116
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0010	0.0049
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Utilization Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0020	0.0020
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Withdrawal Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0	0
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Long-Term Equity Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0805	0.0826
Minimum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Nonperformance risk spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0038	0.0034
Minimum | U.S. corporate and foreign corporate | Valuation Technique, Matrix Pricing | Measurement Input, Offered Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	4	0
Minimum | U.S. corporate and foreign corporate | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0	20
Minimum | U.S. corporate and foreign corporate | Valuation Technique, Consensus Pricing Model | Measurement Input, Offered Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	86	5
Minimum | RMBS | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	0	0
Minimum | ABS & CLO | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	3	3
Maximum | Interest rate | Measurement Input, Swap Yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	399	392
Maximum | Foreign currency exchange rate | Measurement Input, Swap Yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	399	1,938
Maximum | Credit | Measurement Input, Credit Spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	0	138
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 0 - 40
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0015	0.0015
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 41 - 60
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0075	0.0075
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 61 - 115
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	1	1
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 1 - 10
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.2010	0.3750
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 11 - 20
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.15	0.3575
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 21 - 116
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.15	0.3575
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Utilization Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.22	0.22
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Withdrawal Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.20	0.20
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Long-Term Equity Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.2185	0.2201
Maximum | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Nonperformance risk spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0159	0.0177
Maximum | U.S. corporate and foreign corporate | Valuation Technique, Matrix Pricing | Measurement Input, Offered Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	131	126
Maximum | U.S. corporate and foreign corporate | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	110	109
Maximum | U.S. corporate and foreign corporate | Valuation Technique, Consensus Pricing Model | Measurement Input, Offered Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	102	99
Maximum | RMBS | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	112	106
Maximum | ABS & CLO | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	101	102
Weighted Average | Interest rate | Measurement Input, Swap Yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	385	381
Weighted Average | Foreign currency exchange rate | Measurement Input, Swap Yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	193	208
Weighted Average | Credit | Measurement Input, Credit Spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative Asset (Liability) Net, Measurement Input	0	101
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 0 - 40
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0005	0.0005
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 41 - 60
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0022	0.0020
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Mortality rates: Ages 61 - 115
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0123	0.0144
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 1 - 10
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0872	0.0896
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 11 - 20
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0434	0.0652
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Lapse rates: Durations 21 - 116
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0459	0.0289
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Utilization Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0044	0.0038
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Withdrawal Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0447	0.0402
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Long-Term Equity Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.1855	0.1849
Weighted Average | Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits | Measurement Input, Nonperformance risk spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Market Risk Benefits and Reinsured Market Risk Benefits direct, assumed and ceded guaranteed minimum benefits	0.0073	0.0075
Weighted Average | U.S. corporate and foreign corporate | Valuation Technique, Matrix Pricing | Measurement Input, Offered Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	93	87
Weighted Average | U.S. corporate and foreign corporate | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	92	90
Weighted Average | U.S. corporate and foreign corporate | Valuation Technique, Consensus Pricing Model | Measurement Input, Offered Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	96	93
Weighted Average | RMBS | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	93	93
Weighted Average | ABS & CLO | Valuation Technique, Market Approach | Measurement Input, Quoted Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-sale, Measurement Input	93	91

Fair Value (Unobservable Input

Fair Value (Unobservable Input Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Residential mortgage loans - FVO
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	$ 0	$ 127
Total realized/unrealized gains (losses) included in net income (loss)	0	(8)	$ (5)
Total realized/unrealized gains (losses) included in AOCI	0	0	0
Purchases	0	0
Sales	0	(108)
Issuances	0	0
Settlements	0	(11)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at December 31,	0	0	127
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	0	(10)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	0	(10)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Net Derivatives
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	(39)	325	(361)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	(5)	(459)	(128)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Balance at January 1,	(170)	(152)
Total realized/unrealized gains (losses) included in net income (loss)	(39)	238	(460)
Total realized/unrealized gains (losses) included in AOCI	(5)	(537)	(334)
Purchases	0	82
Sales	0	0
Issuances	0	(3)
Settlements	199	201
Transfers into Level 3	0	0
Transfers out of Level 3	(128)	1
Balance at December 31,	(143)	(170)	(152)
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	(39)	325	(361)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	(5)	(459)	(128)
Net Embedded Derivatives
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	(36)	121	55
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Balance at January 1,	(17)	(222)
Total realized/unrealized gains (losses) included in net income (loss)	(36)	121	55
Total realized/unrealized gains (losses) included in AOCI	0	0	0
Purchases	0	0
Sales	0	0
Issuances	0	0
Settlements	(40)	84
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at December 31,	(93)	(17)	(222)
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	(36)	121	55
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Corporate fixed maturity securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	24,401	25,435
Total realized/unrealized gains (losses) included in net income (loss)	(35)	(7)	(34)
Total realized/unrealized gains (losses) included in AOCI	1,413	(6,221)	(1,334)
Purchases	4,896	5,273
Sales	(2,112)	(1,762)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	249	2,127
Transfers out of Level 3	(467)	(444)
Balance at December 31,	28,345	24,401	25,435
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	(10)	(3)	(5)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	1,371	(6,136)	(1,293)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	(10)	(3)	(5)
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	1,371	(6,136)	(1,293)
Foreign government
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	103	91
Total realized/unrealized gains (losses) included in net income (loss)	2	(38)	0
Total realized/unrealized gains (losses) included in AOCI	(3)	(13)	(2)
Purchases	13	36
Sales	(12)	(9)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	4	46
Transfers out of Level 3	(56)	(10)
Balance at December 31,	51	103	91
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	2	(38)	0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	(3)	(13)	(2)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	2	(38)	0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	(3)	(13)	(2)
Structured Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	4,269	5,871
Total realized/unrealized gains (losses) included in net income (loss)	(11)	29	46
Total realized/unrealized gains (losses) included in AOCI	33	(478)	(26)
Purchases	757	967
Sales	(707)	(984)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	322	251
Transfers out of Level 3	(112)	(1,387)
Balance at December 31,	4,551	4,269	5,871
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	10	27	42
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	14	(450)	(24)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	10	27	42
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	14	(450)	(24)
Equity Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	259	151
Total realized/unrealized gains (losses) included in net income (loss)	9	16	27
Total realized/unrealized gains (losses) included in AOCI	0	0	0
Purchases	2	108
Sales	(21)	(14)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	0	0
Transfers out of Level 3	0	(2)
Balance at December 31,	249	259	151
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	11	13
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	11	13
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Unit-linked and FVO Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	787	901
Total realized/unrealized gains (losses) included in net income (loss)	138	(133)	101
Total realized/unrealized gains (losses) included in AOCI	0	0	0
Purchases	205	28
Sales	(19)	(24)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	1	23
Transfers out of Level 3	(9)	(8)
Balance at December 31,	1,103	787	901
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	136	(131)	101
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	136	(131)	101
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Short-term Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	57	3
Total realized/unrealized gains (losses) included in net income (loss)	0	0	1
Total realized/unrealized gains (losses) included in AOCI	1	0	(3)
Purchases	27	56
Sales	(48)	(2)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	0	0
Transfers out of Level 3	(10)	0
Balance at December 31,	27	57	3
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	0	0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	0	0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Other Investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	926	898
Total realized/unrealized gains (losses) included in net income (loss)	22	57	94
Total realized/unrealized gains (losses) included in AOCI	0	0	0
Purchases	27	246
Sales	0	(177)
Issuances	0	0
Settlements	0	0
Transfers into Level 3	0	0
Transfers out of Level 3	0	(98)
Balance at December 31,	975	926	898
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	23	56	89
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	23	56	89
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Separate Accounts (9)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1,	1,210	2,131
Total realized/unrealized gains (losses) included in net income (loss)	(60)	61	29
Total realized/unrealized gains (losses) included in AOCI	0	0	0
Purchases	167	202
Sales	(180)	(1,164)
Issuances	0	(2)
Settlements	1	4
Transfers into Level 3	13	1
Transfers out of Level 3	(4)	(23)
Balance at December 31,	1,147	1,210	2,131
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	0	0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	0	0	0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Changes in unrealized gains (losses) included in net income (loss) for the instruments still held at end of period	0	0	0
Changes in unrealized gains (losses) included in AOCI for the instruments still held at end of period	$ 0	$ 0	$ 0

Fair Value (Nonrecurring Fair V

Fair Value (Nonrecurring Fair Value Measurements) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans (1)	$ 92,506	$ 83,763
Other invested assets, at estimated fair value	18,202	20,038
Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Adjustment	(5)	(14)	$ (74)
Fair Value, Nonrecurring [Member] | Other Investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Adjustment	(136)	0	0
Fair Value, Nonrecurring [Member] | Mortgages [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Adjustment	(215)	(13)	$ (116)
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans (1)	474	263
Other invested assets, at estimated fair value	63	0
Other Assets (2)	$ 0	$ 1

Fair Value (Financial Instrumen

Fair Value (Financial Instruments Carried at Other Than Fair Value) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets
Policy loans	$ 8,788	$ 8,874
Liabilities
Collateral financing arrangement	637	716
Junior subordinated debt securities	3,161	3,158
Separate account liabilities	144,634	146,038
Carrying Value
Assets
Mortgage loans (1)	92,506	83,763
Policy loans	8,788	8,874
Other invested assets	919	946
Premiums, reinsurance and other receivables	5,182	2,905
Other assets	268	267
Liabilities
Policyholder account balances	138,233	133,788
Long-term debt	15,516	14,591
Collateral financing arrangement	637	716
Junior subordinated debt securities	3,161	3,158
Other liabilities	10,556	2,908
Separate account liabilities	75,705	81,976
Estimated Fair Value
Assets
Mortgage loans (1)	87,753	78,694
Policy loans	9,516	9,682
Other invested assets	919	946
Premiums, reinsurance and other receivables	5,191	2,963
Other assets	266	265
Liabilities
Policyholder account balances	134,025	127,514
Long-term debt	15,621	14,241
Collateral financing arrangement	551	591
Junior subordinated debt securities	3,552	3,502
Other liabilities	10,260	3,170
Separate account liabilities	75,705	81,976
Estimated Fair Value | Level 1
Assets
Mortgage loans (1)	0	0
Policy loans	0	0
Other invested assets	0	0
Premiums, reinsurance and other receivables	0	0
Other assets	0	0
Liabilities
Policyholder account balances	0	0
Long-term debt	0	0
Collateral financing arrangement	0	0
Junior subordinated debt securities	0	0
Other liabilities	0	0
Separate account liabilities	0	0
Estimated Fair Value | Level 2
Assets
Mortgage loans (1)	0	0
Policy loans	0	0
Other invested assets	714	729
Premiums, reinsurance and other receivables	791	1,042
Other assets	82	90
Liabilities
Policyholder account balances	0	0
Long-term debt	15,621	14,241
Collateral financing arrangement	0	0
Junior subordinated debt securities	3,552	3,502
Other liabilities	609	1,377
Separate account liabilities	75,705	81,976
Estimated Fair Value | Level 3
Assets
Mortgage loans (1)	87,753	78,694
Policy loans	9,516	9,682
Other invested assets	205	217
Premiums, reinsurance and other receivables	4,400	1,921
Other assets	184	175
Liabilities
Policyholder account balances	134,025	127,514
Long-term debt	0	0
Collateral financing arrangement	551	591
Junior subordinated debt securities	0	0
Other liabilities	9,651	1,793
Separate account liabilities	$ 0	$ 0

Leases Lease Costs (Details)

Leases Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lease Costs [Abstract]
Operating lease cost	$ 244	$ 246	$ 271
Variable lease cost	52	45	32
Sublease income	(95)	(103)	(99)
Net lease cost	$ 201	$ 188	$ 204

Leases Leases (Details)

Leases Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Assets and Liabilities, Lessee [Abstract]
Cash paid for amounts included in the measurement of lease liability - operating cash flows	$ 253	$ 249
ROU assets obtained in exchange for new lease liabilities	$ 242	$ 58
Weighted-average remaining lease term	8 years	6 years
Weighted-average discount rate	4.40%	3.50%
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2024	$ 246
2025	225
2026	203
2027	168
2028	121
Thereafter	526
Total undiscounted cash flows	1,489
Less: interest	258
Lease liability	1,231	$ 1,147
Lessee Disclosure [Abstract]
ROU assets	$ 1,061	$ 961
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Lease liability	$ 1,231	$ 1,147
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities

Leases Leases - (Narrative) (De

Leases Leases - (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Lease ROU asset impairment charges	$ 5	$ 10	$ 29
Minimum
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	14 years
Sublease Income | Minimum
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	1 year
Sublease Income | Maximum
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	7 years

Goodwill (Details)

Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill Rollforward and by Segment
Goodwill - beginning of period	$ 9,977	$ 10,215	$ 10,792
Accumulated impairment	(680)	(680)	(680)
Total goodwill, net - beginning of period	9,297	9,535	10,112
Acquisitions	30	40
Effect of foreign currency translation and other	(91)	(278)	(577)
Goodwill - end of period	9,916	9,977	10,215
Accumulated impairment	(680)	(680)	(680)
Total goodwill, net - end of period	9,236	9,297	9,535
Group Benefits
Goodwill Rollforward and by Segment
Goodwill - beginning of period	1,158	1,158	1,158
Accumulated impairment	0	0	0
Total goodwill, net - beginning of period	1,158	1,158	1,158
Acquisitions	0	0
Effect of foreign currency translation and other	0	0	0
Goodwill - end of period	1,158	1,158	1,158
Accumulated impairment	0	0	0
Total goodwill, net - end of period	1,158	1,158	1,158
Retirement and Income Solutions
Goodwill Rollforward and by Segment
Goodwill - beginning of period	912	912	912
Accumulated impairment	0	0	0
Total goodwill, net - beginning of period	912	912	912
Acquisitions	0	0
Effect of foreign currency translation and other	0	0	0
Goodwill - end of period	912	912	912
Accumulated impairment	0	0	0
Total goodwill, net - end of period	912	912	912
Asia
Goodwill Rollforward and by Segment
Goodwill - beginning of period	4,309	4,552	4,763
Accumulated impairment	0	0	0
Total goodwill, net - beginning of period	4,309	4,552	4,763
Acquisitions	0	0
Effect of foreign currency translation and other	(95)	(243)	(211)
Goodwill - end of period	4,214	4,309	4,552
Accumulated impairment	0	0	0
Total goodwill, net - end of period	4,214	4,309	4,552
Latin America
Goodwill Rollforward and by Segment
Goodwill - beginning of period	980	977	1,143
Accumulated impairment	0	0	0
Total goodwill, net - beginning of period	980	977	1,143
Acquisitions	0	0
Effect of foreign currency translation and other	(4)	3	(166)
Goodwill - end of period	976	980	977
Accumulated impairment	0	0	0
Total goodwill, net - end of period	976	980	977
EMEA
Goodwill Rollforward and by Segment
Goodwill - beginning of period	908	946	1,146
Accumulated impairment	0	0	0
Total goodwill, net - beginning of period	908	946	1,146
Acquisitions	0	0
Effect of foreign currency translation and other	8	(38)	(200)
Goodwill - end of period	916	908	946
Accumulated impairment	0	0	0
Total goodwill, net - end of period	916	908	946
MetLife Holdings
Goodwill Rollforward and by Segment
Goodwill - beginning of period	1,567	1,567	1,567
Accumulated impairment	(680)	(680)	(680)
Total goodwill, net - beginning of period	887	887	887
Acquisitions	0	0
Effect of foreign currency translation and other	0	0	0
Goodwill - end of period	1,567	1,567	1,567
Accumulated impairment	(680)	(680)	(680)
Total goodwill, net - end of period	887	887	887
Corporate & Other
Goodwill Rollforward and by Segment
Goodwill - beginning of period	143	103	103
Accumulated impairment	0	0	0
Total goodwill, net - beginning of period	143	103	103
Acquisitions	30	40
Effect of foreign currency translation and other	0	0	0
Goodwill - end of period	173	143	103
Accumulated impairment	0	0	0
Total goodwill, net - end of period	173	143	103
JAPAN
Goodwill Rollforward and by Segment
Total goodwill, net - beginning of period	4,200	4,400
Total goodwill, net - end of period	$ 4,100	$ 4,200	$ 4,400

Long-term and Short-term Debt_2

Long-term and Short-term Debt (Long-term and Short-term Outstanding) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (108)	$ (87)
Finance Lease, Liability	32	56
Long Term Debt Excluding Consolidated Securitization Entities Face Value	15,656	14,734
Long-term debt	15,548	14,647
Short-term debt	119	175
Debt And Capital Lease Obligations Face Value	15,775	14,909
Total	$ 15,667	$ 14,822
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-term debt	Long-Term Debt and Lease Obligation, Including Current Maturities [Abstract]
Long-term Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 0	$ 0
Senior notes
Debt Instrument [Line Items]
Debt Instrument, Principal Outstanding	14,622	13,671
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	(106)	(83)
Long-term Debt	$ 14,516	13,588
Debt Instrument, Interest Rate, Stated Percentage	5.70%
Surplus notes
Debt Instrument [Line Items]
Debt Instrument, Principal Outstanding	$ 507	507
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	0	(1)
Long-term Debt	507	506
Other notes
Debt Instrument [Line Items]
Debt Instrument, Principal Outstanding	495	500
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	(2)	(3)
Long-term Debt	493	497
Short-term Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 0	$ 0
Minimum | Senior notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	0.50%
Minimum | Surplus notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	7.63%
Minimum | Other notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	2.03%
Maximum | Senior notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	6.50%
Maximum | Surplus notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	7.88%
Maximum | Other notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	8.43%
Committed Credit Facility Six [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,896
General Credit Facility Three [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000

Long-term and Short-term Debt_3

Long-term and Short-term Debt (Short-term with Maturities of Year or Less) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
Commercial paper	$ 0	$ 99
Other Short-term Borrowings	119	76
Short-term Debt	119	175
Average daily balance	$ 142	$ 237
Average days outstanding	65 days	157 days

Long-term and Short-term Debt_4

Long-term and Short-term Debt (Credit Facilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Collateral financing arrangement	$ 637	$ 716
General Credit Facility Three [Member]
Debt Instrument [Line Items]
Borrowers	MetLife, Inc. and MetLife Funding, Inc.
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000
Letters of Credit Issued	297
Collateral financing arrangement	0
Unused Commitments	$ 2,703

Long-term and Short-term Debt_5

Long-term and Short-term Debt (Committed Facilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Collateral financing arrangement	$ 637	$ 716
Committed Credit Facility Six [Member]
Debt Instrument [Line Items]
Borrowers	MetLife Reinsurance Company of Vermont and MetLife, Inc.
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,896
Letters of Credit Issued	2,499
Collateral financing arrangement	0
Unused Commitments	397
Committed Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	3,246
Letters of Credit Issued	2,849
Collateral financing arrangement	0
Unused Commitments	$ 397
Committed Credit Facility Three [Member]
Debt Instrument [Line Items]
Borrowers	MetLife Reinsurance Company of Vermont and MetLife, Inc.
Line of Credit Facility, Maximum Borrowing Capacity	$ 350
Letters of Credit Issued	350
Collateral financing arrangement	0
Unused Commitments	0
Brighthouse Financial, Inc | Committed Credit Facility Six [Member]
Debt Instrument [Line Items]
Letters of Credit Issued	$ 2,500

Long-term and Short-term Debt_6

Long-term and Short-term Debt (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 12, 2023	Mar. 31, 2023	Feb. 10, 2023	Jan. 06, 2023	Jul. 11, 2022	Mar. 31, 2022
Debt Instrument [Line Items]
Other Short-term Borrowings		$ 119	$ 76
Short-term Debt, Weighted Average Interest Rate, at Point in Time		8.63%	5.23%	1.41%
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		$ 108	$ 87
Long Term Debt Aggregate Maturities, Year One		1,800
Long Term Debt Aggregate Maturities, Year Two		1,300
Long Term Debt Aggregate Maturities, Year Three		180
Long Term Debt Aggregate Maturities, Year Four		52
Long Term Debt Aggregate Maturities, Year Five		348
Long-term Debt, Maturities, Repayments of Principal after Year Five		11,900
Interest Expense, Debt		740	655	$ 647
Senior notes
Debt Instrument [Line Items]
Debt Instrument, Principal Outstanding		$ 14,622	13,671
Debt Instrument, Interest Rate, Stated Percentage		5.70%
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		$ 106	83
Other Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Principal Outstanding		495	500
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net		2	$ 3
Senior Debt $500 Million 3.048% which matures in December 2022
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.048%
Early Repayment of Senior Debt			$ 500
Redemption Premium			17
senior debt 1.0 billion July 2052
Debt Instrument [Line Items]
Debt Instrument, Face Amount									$ 1,000
Debt Instrument, Interest Rate, Stated Percentage									5%
Debt Issuance Costs, Gross									$ 11
senior debt $1.0 billion July 2033
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 1,000
Debt Instrument, Interest Rate, Stated Percentage					5.375%
Redemption Premium		6
Senior Debt $1.0 billion 4.368% September 2023
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.368%
Early Repayment of Senior Debt		1,000
senior debt $1.0 billion January 2054
Debt Instrument [Line Items]
Debt Instrument, Face Amount								$ 1,000
Debt Instrument, Interest Rate, Stated Percentage								5.25%
Redemption Premium	$ 11
Securities Sold under Agreements to Repurchase [Member]
Debt Instrument [Line Items]
Other Short-term Borrowings		115	$ 76
Parent Company [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			5.23%	212%		124%				100%
Long Term Debt Aggregate Maturities, Year One		1,400
Long Term Debt Aggregate Maturities, Year Two		1,200
Long Term Debt Aggregate Maturities, Year Three		476
Long Term Debt Aggregate Maturities, Year Four		0
Long Term Debt Aggregate Maturities, Year Five		237
Long-term Debt, Maturities, Repayments of Principal after Year Five		12,700
Interest Expense, Debt		907	$ 829	$ 847
Committed Credit Facility Six [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		2,499
Line of Credit Facility, Maximum Borrowing Capacity		2,896
Committed Credit Facility Six [Member] | Brighthouse Financial, Inc
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		$ 2,500

Long-term and Short-term Debt L

Long-term and Short-term Debt Long-term and Short-term Debt (Narrative - Line of Credit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 01, 2037
Committed Credit Facility Six [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 397
Line of Credit Facility, Maximum Borrowing Capacity	2,896
Line of Credit Facility, Current Borrowing Capacity	2,900
General Credit Facility Three [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	2,703
Line of Credit Facility, Maximum Borrowing Capacity	3,000
Committed Credit Facility Three [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	0
Line of Credit Facility, Maximum Borrowing Capacity	350
Committed Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	397
Line of Credit Facility, Maximum Borrowing Capacity	3,246
Committed Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	3,200
Line of Credit Facility, Commitment Fee Amount	9	$ 9	$ 12
General Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Commitment Fee Amount	$ 6	$ 8	$ 10
Forecast [Member] | Committed Credit Facility Six [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 2,000

Collateral Financing Arrangem_3

Collateral Financing Arrangements Collateral Financing Arrangements (Associated with Closed Block) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2007
Debt Instrument [Line Items]
Invested assets pledged as collateral	$ 26,017	$ 25,442
Parent Company [Member] | Secured Debt Mrc [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms	compounded SOFR calculated in arrears plus a spread adjustment of 0.26161%			three-month LIBOR plus 1.12%
Met Life Reinsurance Company Of Charleston [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Principal Outstanding	$ 637	716
Other Receivables	85	93
Invested Assets On Deposit Held In Trust And Pledged As Collateral	1,397	1,369
Increase (Decrease) in Other Receivables	8	7	$ 10
Invested assets pledged as collateral	$ 10	$ 43

Collateral Financing Arrangem_4

Collateral Financing Arrangements (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2007
Parent Company
Collateral Financing Arrangements (Textuals) [Abstract]
Interest expense	$ 907	$ 829	$ 847
MRC [Member] | Secured Debt [Member]
Collateral Financing Arrangements (Textuals) [Abstract]
Interest expense	44	22	11
Debt Instrument, Face Amount				$ 2,500
Debt Instrument, Term in Years				35 years
Partial repurchase	79	50	79
Increase (Decrease) in Other Receivables	8	7	10
MRC [Member] | Cash Received (Paid) Collateral Financing Arrangements MRC [Member]
Collateral Financing Arrangements (Textuals) [Abstract]
Cash Received (Paid) In Connection With Collateral Financing Arrangements	$ 8	$ 7	$ 10
MRC [Member] | Parent Company | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms	compounded SOFR calculated in arrears plus a spread adjustment of 0.26161%			three-month LIBOR plus 1.12%
MRC [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate Terms	three-month tenor plus a spread adjustment of 0.26161%			three-month LIBOR plus 0.55%

Junior Subordinated Debt Secu_3

Junior Subordinated Debt Securities (Junior Subordinated Debt Securities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (108)	$ (87)
Junior Subordinated Notes	3,161	3,158
MetLife Inc $500M Maturing 2069 [Member]
Debt Instrument [Line Items]
Face Value	500	500
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (5)	(5)
Debt Instrument, Interest Rate, Stated Percentage	10.75%
Debt Instrument, Interest Rate Terms	SOFR + 0.26161% + 7.548%
Junior Subordinated Notes	$ 495	495
Senior notes
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (106)	(83)
Debt Instrument, Interest Rate, Stated Percentage	5.70%
MetLife Capital Trust X $750M Maturing 2068 [Member]
Debt Instrument [Line Items]
Face Value	$ 750	750
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (8)	(9)
Debt Instrument, Interest Rate, Stated Percentage	9.25%
Debt Instrument, Interest Rate Terms	SOFR + 0.26161% + 5.540%
Junior Subordinated Notes	$ 742	741
MetLife Capital Trust IV $700M Maturing 2067 [Member]
Debt Instrument [Line Items]
Face Value	700	700
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (12)	(13)
Debt Instrument, Interest Rate, Stated Percentage	7.875%
Debt Instrument, Interest Rate Terms	SOFR + 0.26161% + 3.960%
Junior Subordinated Notes	$ 688	687
MetLife Inc $1,250M Maturing 2066 [Member]
Debt Instrument [Line Items]
Face Value	1,250	1,250
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (14)	(15)
Debt Instrument, Interest Rate, Stated Percentage	6.40%
Debt Instrument, Interest Rate Terms	SOFR + 0.26161% + 2.205%
Junior Subordinated Notes	$ 1,236	1,235
Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Face Value	3,200	3,200
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (39)	$ (42)

Junior Subordinated Debt Secu_4

Junior Subordinated Debt Securities (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	three-month CME Term SOFR plus 0.26161%
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 108	$ 87
Interest Expense, Junior Subordinated Debentures	261	261	$ 261
Senior notes
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 106	83
Debt Instrument, Interest Rate, Stated Percentage	5.70%
Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 3,200	3,200
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	39	42
Junior Subordinated Debt Instrument One [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	500	500
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 5	5
Debt Instrument, Interest Rate, Stated Percentage	10.75%
Junior Subordinated Debt Instrument Four [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,250	1,250
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 14	15
Debt Instrument, Interest Rate, Stated Percentage	6.40%
Junior Subordinated Debt Instrument Three [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 700	700
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 12	13
Debt Instrument, Interest Rate, Stated Percentage	7.875%
Junior Subordinated Debt Instrument Two [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 750	750
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 8	$ 9
Debt Instrument, Interest Rate, Stated Percentage	9.25%

Equity - Preferred Stock (Detai

Equity - Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	200,000,000	200,000,000
Preferred Stock, Shares Issued	25,572,200	25,572,200
Preferred Stock, Shares Outstanding	25,572,200	25,572,200
Preferred Stock
Preferred stock, dividends	$ 198	$ 185	$ 195
Series A Preferred Stock [Member]
Dividends Payable [Line Items]
Preferred Stock, Dividend Payment Rate, Variable	Three-month CME Term SOFR plus a spread adjustment of 0.26161% + 1.000%, with floor of 4.000%
Preferred Stock, Shares Authorized	27,600,000	27,600,000
Preferred Stock, Shares Issued	24,000,000	24,000,000
Preferred Stock, Shares Outstanding	24,000,000	24,000,000
Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 1.577	$ 1.033	$ 1.015
Preferred stock, dividends	$ 37	$ 24	$ 24
Series C Preferred Stock [Member]
Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 0	$ 0	$ 19.085
Preferred stock, dividends	$ 0	$ 0	$ 10
5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
Dividends Payable [Line Items]
Preferred Stock, Dividend Payment Rate, Variable	5.875% Fixed-to-Floating Rate
Preferred Stock, Shares Authorized	500,000	500,000
Preferred Stock, Shares Issued	500,000	500,000
Preferred Stock, Shares Outstanding	500,000	500,000
Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 58.750	$ 58.750	$ 58.750
Preferred stock, dividends	$ 29	$ 29	$ 29
Series E Preferred Stock [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	32,200	32,200
Preferred Stock, Shares Issued	32,200	32,200
Preferred Stock, Shares Outstanding	32,200	32,200
Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 1,406.252	$ 1,406.252	$ 1,406.252
Preferred stock, dividends	$ 45	$ 45	$ 45
Series A Junior Preferred Stock [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Not Designated Preferred Stock [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	160,827,800	160,827,800
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	40,000	40,000
Preferred Stock, Shares Issued	40,000	40,000
Preferred Stock, Shares Outstanding	40,000	40,000
Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 1,187.5	$ 1,187.5	$ 1,187.5
Preferred stock, dividends	$ 48	$ 48	$ 48
3.850% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G, par value $0.01
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	1,000,000	1,000,000
Preferred Stock, Shares Outstanding	1,000,000	1,000,000
Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 38.500	$ 38.500	$ 39.035
Preferred stock, dividends	$ 39	$ 39	$ 39

Equity - Preferred Stock Narrat

Equity - Preferred Stock Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	May 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 25, 2023	May 03, 2023	May 04, 2022	Aug. 04, 2021	Jun. 15, 2021
Class of Stock [Line Items]
Preferred Stock, Shares Issued		25,572,200	25,572,200
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, shares outstanding		25,572,200	25,572,200
Preferred stock, par value		$ 0.01	$ 0.01
Preferred Stock, Shares Authorized		200,000,000	200,000,000
Preferred stock redemption premium		$ 0	$ 0	$ 6
Stock Repurchase Program, Authorized Amount					$ 1,000	$ 3,000	$ 3,000	$ 3,000
August2021Authorization
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		0
May2022Authorization
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		0
May252023Authorization
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		1,000
May32023Authorization
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 1,102
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Dividend Rate, Percentage		5.625%
Preferred Stock, Shares Issued		32,200	32,200
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, shares outstanding		32,200	32,200
Preferred stock, aggregate liquidation preference		$ 25,000
Preferred Stock, Shares Authorized		32,200	32,200
Series E Preferred Stock [Member] | Depositary Share [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, aggregate liquidation preference		$ 25
5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
Class of Stock [Line Items]
Preferred Stock, Shares Issued		500,000	500,000
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, shares outstanding		500,000	500,000
Preferred Stock, Dividend Payment Rate, Variable		5.875% Fixed-to-Floating Rate
Preferred stock, aggregate liquidation preference		$ 1,000
Preferred Stock, Shares Authorized		500,000	500,000
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock redemption price per share	$ 1,000
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, par value			$ 0.01
Redeem and Canceled Preferred Stock [Line Items]	500,000
Preferred stock redemption premium	$ 6
Preferred Stock, Redemption Amount									$ 500
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Issued		24,000,000	24,000,000
Preferred stock redemption price per share		$ 25
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, shares outstanding		24,000,000	24,000,000
Preferred Stock, Dividend Payment Rate, Variable		Three-month CME Term SOFR plus a spread adjustment of 0.26161% + 1.000%, with floor of 4.000%
Preferred Stock, Shares Authorized		27,600,000	27,600,000
Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F
Class of Stock [Line Items]
Preferred Stock, Dividend Rate, Percentage		4.75%
Preferred Stock, Shares Issued		40,000	40,000
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, shares outstanding		40,000	40,000
Preferred stock, aggregate liquidation preference		$ 25,000
Preferred Stock, Shares Authorized		40,000	40,000
Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F | Depositary Share [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, aggregate liquidation preference		$ 25
3.850% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G, par value $0.01
Class of Stock [Line Items]
Preferred Stock, Dividend Rate, Percentage		3.85%
Preferred Stock, Shares Issued		1,000,000	1,000,000
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, shares outstanding		1,000,000	1,000,000
Preferred stock, aggregate liquidation preference		$ 1,000
Preferred Stock, Shares Authorized		1,000,000	1,000,000
Fixed Rate1 [Member] | 5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred Stock, Dividend Payment Rate, Variable		5.875
Variable Rate1 [Member] | 5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred Stock, Dividend Payment Rate, Variable		three-month CME Term SOFR plus a spread adjustment of 0.26161% + 2.959%
Variable Rate1 [Member] | 3.850% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G, par value $0.01
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred Stock, Dividend Payment Rate, Variable		five year treasury rate, reset every five years, + 3.576%
RatingAgency [Member] | 5.875% Fixed-to-Floating Rate Non-Cumulative Preferred Stock, Series D, par value $0.01
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, aggregate liquidation preference		$ 1,020
RatingAgency [Member] | Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, aggregate liquidation preference		25,500
RatingAgency [Member] | Depositary Shares, each representing a 1/1,000th interest in a share of 4.75% Non-Cumulative Preferred Stock, Series F | Depositary Share [Member]
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, aggregate liquidation preference		25.50
RatingAgency [Member] | 3.850% Fixed Rate Reset Non-Cumulative Preferred Stock, Series G, par value $0.01
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, aggregate liquidation preference		$ 1,020

Equity - Common Stock (Details)

Equity - Common Stock (Details) - USD ($) $ in Millions	Dec. 31, 2023	May 25, 2023	May 03, 2023	May 04, 2022	Aug. 04, 2021
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount		$ 1,000	$ 3,000	$ 3,000	$ 3,000
August2021Authorization
Equity, Class of Treasury Stock [Line Items]
Repurchase amount outstanding	$ 0

Equity - Common Stock Narrative

Equity - Common Stock Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Cost of shares issued	$ 74	$ 105	$ 193
Repurchase Shares	50,269,483	49,732,851	72,296,518
Treasury Stock, Value, Acquired, Cost Method	$ 3,133	$ 3,301	$ 4,328
Dividends, Common Stock, Cash	(1,566)	(1,598)	(1,647)
Treasury Stock, Value, Acquired, Cost Method, Excise Tax	30
Retained Earnings
Class of Stock [Line Items]
Dividends, Common Stock, Cash	(1,566)	$ (1,598)	(1,647)
August2021Authorization
Class of Stock [Line Items]
Treasury Stock, Value, Acquired, Cost Method			$ 25
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 0
Common Shares Issued For Stock Options [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues	1,992,180	3,290,998	4,926,185
Cost of shares issued	$ 110	$ 156	$ 195
Treasury Shares Issued For Stock Options [Member]
Class of Stock [Line Items]
Issued Treasury Stock	0	0	0
Common Stock [Member]
Class of Stock [Line Items]
Dividends, Common Stock, Cash	$ (1,600)	$ (1,600)	$ (1,600)

Equity - Stock-Based Compensati

Equity - Stock-Based Compensation Plans Narrative (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
2015 Stock Plan
Equity - Stock-based Compensation Plans [Line Items]
Aggregate number of shares authorized for issuance		30,627,419
Other Stock And Incentive Plans
Equity - Stock-based Compensation Plans [Line Items]
Number of deferred shares		642,768
2015 Director Stock Plan
Equity - Stock-based Compensation Plans [Line Items]
Aggregate number of shares authorized for issuance		1,419,598
Other Director Stock Plans
Equity - Stock-based Compensation Plans [Line Items]
Number of deferred shares		348,977
Performance factor will be applied		118,848
Stock Options
Equity - Stock-based Compensation Plans [Line Items]
Maximum term		10 years	10 years	10 years
Stock Options | Maximum
Equity - Stock-based Compensation Plans [Line Items]
Vesting period		3 years
Stock Options | Liability Awards Plan
Equity - Stock-based Compensation Plans [Line Items]
Performance factor will be applied		0
Performance Shares
Equity - Stock-based Compensation Plans [Line Items]
Performance factor		156.30%
Performance factor will be applied		1,175,401
Performance Shares | Forecast [Member]
Equity - Stock-based Compensation Plans [Line Items]
Performance factor will be applied	1,048,303
Performance Shares | Minimum
Equity - Stock-based Compensation Plans [Line Items]
Future performance factor		0%
Performance Shares | Maximum
Equity - Stock-based Compensation Plans [Line Items]
Future performance factor		175%
Performance Shares | Liability Awards Plan
Equity - Stock-based Compensation Plans [Line Items]
Performance factor will be applied		154,904

Equity - Compensation Expense R

Equity - Compensation Expense Related to Stock-Based Compensation for Phantom Stock-Based Awards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 171	$ 184	$ 173
Income tax benefit	36	39	36
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	7	7	9
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	98	108	98
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 66	$ 69	$ 66

Equity - Unrecognized Compensat

Equity - Unrecognized Compensation Expense Related to Stock-Based Compensation (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense	$ 3
Weighted Average Period	1 year 9 months 7 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense	$ 28
Weighted Average Period	1 year 8 months 4 days
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense	$ 36
Weighted Average Period	1 year 11 months 8 days

Equity - Summary of Activity Re

Equity - Summary of Activity Related to Stock Options (Details) - Stock Options - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Shares Under Option
Outstanding at January 1, (in shares)	3,386,041
Granted (in shares)	405,544
Exercised (in shares)	(250,757)
Expired (in shares)	(6,491)
Forfeited (in shares)	(34,331)
Outstanding at December 31, (in shares)	3,500,006	3,386,041
Vested and expected to vest at December 31,	3,491,957
Exercisable at December 31,	2,709,467
Weighted Average Exercise Price
Outstanding at January 1, (in dollars per share)	$ 49.24
Granted (in dollars per share)	71.73	$ 68.96	$ 57.43
Exercised (in dollars per share)	43.54
Expired (in dollars per share)	65.52
Forfeited (in dollars per share)	68.22
Outstanding at December 31, (in dollars per share)	52.04	$ 49.24
Vested and expected to vest at December 31, (in dollars per share)	52
Exercisable at December 31, (in dollars per share)	$ 47.34
Weighted Average Remaining Contractual Term
Outstanding	5 years 2 months 15 days	5 years 6 months 29 days
Vested and expected to vest at December 31,	5 years 2 months 12 days
Exercisable at December 31,	4 years 3 months 3 days
Aggregate Intrinsic Value
Outstanding	$ 53	$ 78
Vested and expected to vest at December 31,	53
Exercisable at December 31,	$ 51
Share price (in dollars per share)	$ 66.13	$ 72.37

Equity - Weighted Average Assum

Equity - Weighted Average Assumptions Used to Determine Fair Value of Stock Options (Details) - Stock Options - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity - Stock-based Compensation Plans [Line Items]
Dividend yield	2.79%	2.78%	3.20%
Risk-free rate of return, minimum	5.02%	1.17%	0.08%
Risk-free rate of return, maximum	3.47%	1.97%	2.48%
Expected volatility	25.73%	26.67%	29.72%
Exercise multiple	1.45	1.45	1.44
Post-vesting termination rate	3.47%	3.58%	3.58%
Contractual term (years)	10 years	10 years	10 years
Expected life (years)	6 years	6 years	7 years
Weighted average exercise price of stock options granted (in dollars per share)	$ 71.73	$ 68.96	$ 57.43
Weighted average fair value of stock options granted (in dollars per share)	$ 17.56	$ 15.18	$ 12.76

Equity - Summary of Stock Optio

Equity - Summary of Stock Option Exercise Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Total intrinsic value of stock options exercised	$ 6	$ 40	$ 60
Cash received from exercise of stock options	11	48	119
Income tax benefit realized from stock options exercised	$ 1	$ 8	$ 13

Equity - Performance Share and

Equity - Performance Share and Restricted Stock Unit (Details)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Performance Shares
Shares/Units
Outstanding at January 1, (in shares) | shares	3,206,738
Granted (in shares) | shares	998,687
Forfeited (in shares) | shares	(116,526)
Payable (in shares) | shares	(1,175,401)
Outstanding at December 31, (in shares) | shares	2,913,498
Vested and expected to vest at December 31, (in shares) | shares	2,872,871
Weighted Average Grant Date Fair Value
Outstanding January 1, (in dollars per share) | $ / shares	$ 51.26
Granted (in dollars per share) | $ / shares	65.68
Forfeited (in dollars per share) | $ / shares	59.49
Payable (in dollars per share) | $ / shares	41.90
Outstanding December 31, (in dollars per share) | $ / shares	59.65
Vested and expected to vest at December 31, (in dollars per share) | $ / shares	$ 59.58
Restricted Stock Units
Shares/Units
Outstanding at January 1, (in shares) | shares	1,999,964
Granted (in shares) | shares	959,434
Forfeited (in shares) | shares	(65,491)
Payable (in shares) | shares	(1,044,290)
Outstanding at December 31, (in shares) | shares	1,849,617
Vested and expected to vest at December 31, (in shares) | shares	1,814,816
Weighted Average Grant Date Fair Value
Outstanding January 1, (in dollars per share) | $ / shares	$ 53.62
Granted (in dollars per share) | $ / shares	64.85
Forfeited (in dollars per share) | $ / shares	61.38
Payable (in dollars per share) | $ / shares	49.17
Outstanding December 31, (in dollars per share) | $ / shares	61.68
Vested and expected to vest at December 31, (in dollars per share) | $ / shares	$ 61.67

Equity - Liability Award Activi

Equity - Liability Award Activity (Details)	12 Months Ended
	Dec. 31, 2023 shares
Stock Options
Shares/Units
Exercised Shares Liability Awards	(250,757)
Expired (in shares)	(6,491)
Performance Shares
Shares/Units
Outstanding at January 1, (in shares)	3,206,738
Granted (in shares)	998,687
Forfeited (in shares)	(116,526)
Paid (in shares)	(1,175,401)
Outstanding at December 31, (in shares)	2,913,498
Vested and expected to vest at December 31, (in shares)	2,872,871
Restricted Stock Units
Shares/Units
Outstanding at January 1, (in shares)	1,999,964
Granted (in shares)	959,434
Forfeited (in shares)	(65,491)
Paid (in shares)	(1,044,290)
Outstanding at December 31, (in shares)	1,849,617
Vested and expected to vest at December 31, (in shares)	1,814,816
Liability Awards Plan | Stock Options
Shares/Units
Outstanding at January 1, (in shares)	54,731
Granted (in shares)	12,847
Exercised Shares Liability Awards	(22,066)
Expired (in shares)	(6,360)
Forfeited (in shares)	0
Paid (in shares)	0
Outstanding at December 31, (in shares)	39,152
Vested and expected to vest at December 31, (in shares)	38,667
Liability Awards Plan | Performance Shares
Shares/Units
Outstanding at January 1, (in shares)	391,920
Granted (in shares)	118,426
Exercised Shares Liability Awards	0
Expired (in shares)	0
Forfeited (in shares)	(15,901)
Paid (in shares)	(154,904)
Outstanding at December 31, (in shares)	339,541
Vested and expected to vest at December 31, (in shares)	331,974
Liability Awards Plan | Restricted Stock Units
Shares/Units
Outstanding at January 1, (in shares)	441,555
Granted (in shares)	195,192
Exercised Shares Liability Awards	0
Expired (in shares)	0
Forfeited (in shares)	(22,728)
Paid (in shares)	(224,528)
Outstanding at December 31, (in shares)	389,491
Vested and expected to vest at December 31, (in shares)	381,156

Equity - Statutory Equity & Inc

Equity - Statutory Equity & Income Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Principal U.S. Insurance Subsidiaries, Excluding American Life
Statutory Accounting Practices [Line Items]
Combined RBC ratio of the principal U.S. insurance subsidiaries	in excess of 380%	in excess of 340%
Metropolitan Life Insurance Company
Statutory Accounting Practices [Line Items]
Statutory capital and surplus	$ 11,593	$ 10,869
Prescribed practice, amount	1,400	1,300
Statutory net income (loss)	3,407	2,737	$ 3,513
MetLife Reinsurance Company of Vermont
Statutory Accounting Practices [Line Items]
Prescribed practice, amount	2,000	2,000
MetLife's Domestic Captive Life Reinsurance Subsidiaries
Statutory Accounting Practices [Line Items]
Statutory capital and surplus	723	726
Statutory net income (loss)	$ 63	$ 44	$ 41
Japan
Statutory Accounting Practices [Line Items]
Adjusted capital	in excess of three times the 200% solvency margin ratio	in excess of three times the 200% solvency margin ratio
Other Foreign Operations, Excluding Japan
Statutory Accounting Practices [Line Items]
Statutory capital and surplus required	$ 3,100
Statutory capital and surplus	$ 7,400

Equity - Statutory Net Income (

Equity - Statutory Net Income (Loss) and Capital & Surplus (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Metropolitan Life Insurance Company
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	$ 3,407	$ 2,737	$ 3,513
Statutory capital and surplus	11,593	10,869
American Life Insurance Company
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	767	824	48
Statutory capital and surplus	8,272	5,040
Metropolitan Tower Life Insurance Company
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	411	232	185
Statutory capital and surplus	2,461	1,896
Other
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	53	91	$ 76
Statutory capital and surplus	$ 358	$ 209

Equity - Dividend Restrictions

Equity - Dividend Restrictions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2024
Metropolitan Life Insurance Company
Statutory Accounting Practices [Line Items]
Paid	$ 2,471	$ 3,539
Metropolitan Life Insurance Company | Scenario, Forecast
Statutory Accounting Practices [Line Items]
Permitted without approval			$ 3,476
American Life Insurance Company
Statutory Accounting Practices [Line Items]
Paid	1,887	1,289
American Life Insurance Company | Scenario, Forecast
Statutory Accounting Practices [Line Items]
Permitted without approval			945
Metropolitan Tower Life Insurance Company
Statutory Accounting Practices [Line Items]
Paid	$ 189	$ 0
Metropolitan Tower Life Insurance Company | Scenario, Forecast
Statutory Accounting Practices [Line Items]
Permitted without approval			$ 373

Equity - Components of Accumula

Equity - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 30,125	$ 50,013	$ 74,817
Ending Balance	30,253	30,125	50,013
Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	27,287	67,749	74,817
Ending Balance		27,287	67,749
Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(22,424)
Cumulative Effect, Period of Adoption, Adjustment | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			0
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(22,621)	(2,451)	18,072
OCI before reclassifications	2,340	(28,577)	(3,542)
Deferred income tax benefit (expense)	(505)	6,261	494
AOCI before reclassifications, net of income tax	(20,786)	(24,767)	(2,733)
Amounts reclassified from AOCI	1,937	2,198	216
Deferred income tax benefit (expense)	(393)	(463)	(27)
Amounts reclassified from AOCI, net of income tax	1,544	1,735	189
Ending Balance	(19,242)	(22,621)	(2,451)
Accumulated Other Comprehensive Income (Loss) | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(27,083)	10,919	18,072
Ending Balance		(27,083)	10,919
Accumulated Other Comprehensive Income (Loss) | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(17,757)
Accumulated Other Comprehensive Income (Loss) | Cumulative Effect, Period of Adoption, Adjustment | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			0
Unrealized Investment Gains (Losses), Net of Related Offsets
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(22,646)	20,919
OCI before reclassifications	7,820	(58,093)	(12,498)
Deferred income tax benefit (expense)	(1,666)	13,298	2,961
AOCI before reclassifications, net of income tax	(16,492)	(23,876)	21,183
Amounts reclassified from AOCI	2,523	1,607	(125)
Deferred income tax benefit (expense)	(537)	(368)	29
Amounts reclassified from AOCI, net of income tax	1,986	1,239	(96)
Ending Balance	(14,506)	(22,646)	20,919
Unrealized Investment Gains (Losses), Net of Related Offsets | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			22,217
Unrealized Investment Gains (Losses), Net of Related Offsets | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			8,503
Unrealized Gains (Losses) on Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	1,557	1,629
OCI before reclassifications	(1,106)	(583)	(113)
Deferred income tax benefit (expense)	267	89	18
AOCI before reclassifications, net of income tax	718	1,135	1,418
Amounts reclassified from AOCI	(705)	498	250
Deferred income tax benefit (expense)	170	(76)	(39)
Amounts reclassified from AOCI, net of income tax	(535)	422	211
Ending Balance	183	1,557	1,629
Unrealized Gains (Losses) on Derivatives | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			1,513
Unrealized Gains (Losses) on Derivatives | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			0
Future Policy Benefits Discount Rate Remeasurement Gains (Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	6,115	(18,559)
OCI before reclassifications	(4,361)	31,755	10,102
Deferred income tax benefit (expense)	904	(7,116)	(2,331)
AOCI before reclassifications, net of income tax	2,658	6,080	(18,559)
Amounts reclassified from AOCI	0	0	0
Deferred income tax benefit (expense)	0	0	0
Amounts reclassified from AOCI, net of income tax	0	0	0
Ending Balance	2,658	6,115	(18,559)
Future Policy Benefits Discount Rate Remeasurement Gains (Losses) | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			0
Future Policy Benefits Discount Rate Remeasurement Gains (Losses) | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(26,330)
Market Risk Benefits Instrument-Specific Credit Risk Remeasurement Gains(Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	107	279
OCI before reclassifications	(102)	(219)	257
Deferred income tax benefit (expense)	22	47	(54)
AOCI before reclassifications, net of income tax	27	107	279
Amounts reclassified from AOCI	0	0	0
Deferred income tax benefit (expense)	0	0	0
Amounts reclassified from AOCI, net of income tax	0	0	0
Ending Balance	27	107	279
Market Risk Benefits Instrument-Specific Credit Risk Remeasurement Gains(Losses) | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			0
Market Risk Benefits Instrument-Specific Credit Risk Remeasurement Gains(Losses) | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			76
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(6,377)	(5,121)
OCI before reclassifications	296	(1,625)	(1,527)
Deferred income tax benefit (expense)	(77)	(18)	(54)
AOCI before reclassifications, net of income tax	(6,158)	(6,764)	(5,382)
Amounts reclassified from AOCI	0	0	0
Deferred income tax benefit (expense)	0	0	0
Amounts reclassified from AOCI, net of income tax	0	0	0
Ending Balance	(6,158)	(6,377)	(5,121)
Foreign Currency Translation Adjustments | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(3,795)
Foreign Currency Translation Adjustments | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(6)
Defined Benefit Plans Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(1,377)	(1,598)
OCI before reclassifications	(207)	188	237
Deferred income tax benefit (expense)	45	(39)	(46)
AOCI before reclassifications, net of income tax	(1,539)	(1,449)	(1,672)
Amounts reclassified from AOCI	119	93	91
Deferred income tax benefit (expense)	(26)	(19)	(17)
Amounts reclassified from AOCI, net of income tax	93	74	74
Ending Balance	$ (1,446)	(1,377)	(1,598)
Defined Benefit Plans Adjustment | Previously Reported
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(1,863)
Defined Benefit Plans Adjustment | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			0
Disposal Group, Held-for-Sale or Disposed of by Sale | Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		411	93
Disposal Group, Held-for-Sale or Disposed of by Sale | Unrealized Investment Gains (Losses), Net of Related Offsets
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		(9)	(168)
Disposal Group, Held-for-Sale or Disposed of by Sale | Unrealized Gains (Losses) on Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		0	0
Disposal Group, Held-for-Sale or Disposed of by Sale | Future Policy Benefits Discount Rate Remeasurement Gains (Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		35	0
Disposal Group, Held-for-Sale or Disposed of by Sale | Market Risk Benefits Instrument-Specific Credit Risk Remeasurement Gains(Losses)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		0	0
Disposal Group, Held-for-Sale or Disposed of by Sale | Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		387	261
Disposal Group, Held-for-Sale or Disposed of by Sale | Defined Benefit Plans Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of income tax		$ (2)	$ 0

Equity - Reclassifications Out

Equity - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment gains (losses)									$ (2,824)	$ (1,260)	$ 1,543
Net investment income									19,908	15,916	21,395
Net derivative gains (losses)									(2,140)	(2,251)	(3,257)
Other expenses									$ 12,710	$ 11,859	$ 12,018
Amortization of net actuarial gains (losses) [Extensible Enumeration]									Total recognized in OCI	Total recognized in OCI	Total recognized in OCI
Amortization of prior service (costs) credit [Extensible Enumeration]									Total recognized in OCI	Total recognized in OCI	Total recognized in OCI
Income (loss) from continuing operations before provision for income tax									$ 2,162	$ 6,364	$ 8,518
Income tax (expense) benefit									(560)	(1,062)	(1,642)
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	1,602	5,302	6,876
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income (loss)									(1,544)	(1,735)	(189)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Investment Gains (Losses), Net of Related Offsets
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment gains (losses)									(2,620)	(1,802)	72
Net investment income									8	7	(16)
Net derivative gains (losses)									89	188	69
Income (loss) from continuing operations before provision for income tax									(2,523)	(1,607)	125
Income tax (expense) benefit									537	368	(29)
Net income (loss)									(1,986)	(1,239)	96
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before provision for income tax									705	(498)	(250)
Income tax (expense) benefit									(170)	76	39
Net income (loss)									535	(422)	(211)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives | Interest rate contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment gains (losses)									90	41	84
Net investment income									50	59	56
Other expenses									0	4	3
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives | Foreign currency swaps
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment gains (losses)									558	(609)	(403)
Net investment income									4	6	8
Other expenses									2	1	2
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives | Credit derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net investment gains (losses)									1	0	0
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plans Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net actuarial gains (losses)									(130)	(104)	(120)
Amortization of prior service (costs) credit									11	11	29
Income (loss) from continuing operations before provision for income tax									(119)	(93)	(91)
Income tax (expense) benefit									26	19	17
Net income (loss)									$ (93)	$ (74)	$ (74)

Other Revenues and Other Expe_3

Other Revenues and Other Expenses Other Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,229	$ 2,110	$ 2,074
Other revenues	2,526	2,630	2,619
Vision fee for service arrangements
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	598	566	546
Prepaid legal plans
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	516	471	432
Fee-based investment management
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	408	396	363
Administrative services-only contracts
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	259	238	231
Recordkeeping and administrative services (1)
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	150	168	213
Other revenue from service contracts from customers
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	298	271	289
Other Income
Disaggregation of Revenue [Line Items]
Other revenues	$ 297	$ 520	$ 545

Other Revenues and Other Expe_4

Other Revenues and Other Expenses Other Revenues (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Receivables related to revenues from service contracts from customers	$ 243	$ 226

Other Expenses (Other Expenses)

Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Employee related costs (1)	$ 3,626	$ 3,520	$ 3,515
Third party staffing costs	1,477	1,573	1,423
General and administrative expenses	828	669	670
Pension, postretirement and postemployment benefit costs	246	98	147
Premium taxes, other taxes, and licenses & fees	660	608	629
Commissions and other variable expenses	5,819	5,265	5,463
Capitalization of DAC	(2,917)	(2,614)	(2,751)
Amortization of DAC and VOBA	1,952	1,831	2,037
Amortization of negative VOBA	(26)	(29)	(35)
Interest expense on debt	1,045	938	920
Total other expenses	12,710	11,859	12,018
Net change in cash surrender value of investments, net of premiums paid	$ (140)	$ 93	$ (144)

Employee Benefit Plans Employee

Employee Benefit Plans Employee Benefit Plans (Obligations, Funded Status, and Periodic Benefit Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	$ 9,498	$ 9,298	$ 12,182
Estimated fair value of plan assets	8,270	8,294	10,971
Over (under) funded status	(1,228)	(1,004)
Net periodic benefit costs	291	122	194
Pension Benefits | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	8,649	8,425
Estimated fair value of plan assets	7,786	7,831
Over (under) funded status	(863)	(594)
Net periodic benefit costs	227	49
Pension Benefits | Non- U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	849	873
Estimated fair value of plan assets	484	463
Over (under) funded status	(365)	(410)
Net periodic benefit costs	64	73
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	765	794	1,138
Estimated fair value of plan assets	1,334	1,303	1,443
Over (under) funded status	569	509
Net periodic benefit costs	(38)	(42)	$ (53)
Other Postretirement Benefits | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	723	758
Estimated fair value of plan assets	1,307	1,277
Over (under) funded status	584	519
Net periodic benefit costs	(41)	(43)
Other Postretirement Benefits | Non- U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations	42	36
Estimated fair value of plan assets	27	26
Over (under) funded status	(15)	(10)
Net periodic benefit costs	$ 3	$ 1

Employee Benefit Plans (Obligat

Employee Benefit Plans (Obligations and Funded Status) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Change in benefit obligations:
Benefit obligations at January 1,	$ 9,298	$ 12,182
Service costs	143	187	$ 215
Interest costs	474	328	342
Plan participants’ contributions	0	0
Plan amendments	0	8
Net actuarial (gains) losses	299	(2,609)
Acquisition, divestitures, settlements and curtailments	(35)	(45)
Benefits paid	(636)	(630)
Effect of foreign currency translation	(45)	(123)
Benefit obligations at December 31,	9,498	9,298	12,182
Change in plan assets
Estimated fair value of plan assets at January 1,	8,294	10,971
Actual return on plan assets	529	(2,095)
Acquisition, divestitures and settlements	(35)	(38)
Plan participants’ contributions	0	0
Employer contributions	140	152
Benefits paid	(636)	(630)
Effect of foreign currency translation	(22)	(66)
Estimated fair value of plan assets at December 31,	8,270	8,294	10,971
Over (under) funded status at December 31,	(1,228)	(1,004)
Amounts recognized in the consolidated balance sheets
Other assets	229	428
Other liabilities	(1,457)	(1,432)
Net amount recognized	(1,228)	(1,004)
Accumulated other comprehensive (income) loss:
Net actuarial (gains) losses	2,360	2,277
Prior service costs (credit)	(25)	(36)
AOCI, before income tax	2,335	2,241
Accumulated benefit obligation	9,377	9,185
Other Postretirement Benefits
Change in benefit obligations:
Benefit obligations at January 1,	794	1,138
Service costs	3	4	4
Interest costs	43	34	37
Plan participants’ contributions	30	32
Plan amendments	0	0
Net actuarial (gains) losses	(23)	(289)
Acquisition, divestitures, settlements and curtailments	0	0
Benefits paid	(86)	(125)
Effect of foreign currency translation	4	0
Benefit obligations at December 31,	765	794	1,138
Change in plan assets
Estimated fair value of plan assets at January 1,	1,303	1,443
Actual return on plan assets	72	(43)
Acquisition, divestitures and settlements	0	0
Plan participants’ contributions	30	32
Employer contributions	13	(3)
Benefits paid	(86)	(125)
Effect of foreign currency translation	2	(1)
Estimated fair value of plan assets at December 31,	1,334	1,303	$ 1,443
Over (under) funded status at December 31,	569	509
Amounts recognized in the consolidated balance sheets
Other assets	886	796
Other liabilities	(317)	(287)
Net amount recognized	569	509
Accumulated other comprehensive (income) loss:
Net actuarial (gains) losses	(509)	(498)
Prior service costs (credit)	0	0
AOCI, before income tax	(509)	(498)
United States Pension Plan of US Entity, Non Qualified [Member]
Change in benefit obligations:
Benefit obligations at January 1,	1,000
Benefit obligations at December 31,	1,000	1,000
Changes to financial assumptions [Member] | Pension Benefits
Change in benefit obligations:
Net actuarial (gains) losses	(256)	2,600
Changes to financial assumptions [Member] | Other Postretirement Benefits
Change in benefit obligations:
Net actuarial (gains) losses	(8)	276
Changes to demographic assumptions [Member] | Pension Benefits
Change in benefit obligations:
Net actuarial (gains) losses	54
Changes to demographic assumptions [Member] | Other Postretirement Benefits
Change in benefit obligations:
Net actuarial (gains) losses	8
Changes to Plan Experience [Member] | Pension Benefits
Change in benefit obligations:
Net actuarial (gains) losses	(97)	(14)
Changes to Plan Experience [Member] | Other Postretirement Benefits
Change in benefit obligations:
Net actuarial (gains) losses	$ 23	$ 13

Employee Benefit Plans (Paid Be

Employee Benefit Plans (Paid Benefit Obligations and Accumulated Benefit Obligations in Excess of Fair Value) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accumulated benefit obligation [Abstract]
Projected benefit obligations	$ 1,459	$ 1,434
Accumulated benefit obligations	1,411	1,384
Estimated fair value of plan assets	2	0
Defined Benefit Plan, Plan with Accumulated Postretirement Benefit Obligation in Excess of Plan Assets, Accumulated Postretirement Benefit Obligation	580	562
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligations	1,474	1,444
Accumulated benefit obligations	1,411	1,384
Estimated fair value of plan assets	15	10
Defined Benefit Plan, Plan with Accumulated Postretirement Benefit Obligation in Excess of Plan Assets, Plan Assets	$ 266	$ 276

Employee Benefit Plans (Net Per

Employee Benefit Plans (Net Periodic Benefit Costs and Other Changes Recognized in OCI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other changes in plan assets and benefit obligations recognized in OCI:
Total recognized in OCI	$ 88	$ (279)	$ (328)
Pension Benefits
Net periodic benefit costs [Abstract]
Service costs	143	187	215
Interest costs	474	328	342
Settlement and curtailment (gains) losses	6	5	(7)
Expected return on plan assets	(480)	(516)	(506)
Amortization of net actuarial (gains) losses	159	129	162
Amortization of prior service costs (credit)	(11)	(11)	(12)
Total net periodic benefit costs (credit)	291	122	194
Other changes in plan assets and benefit obligations recognized in OCI:
Net actuarial (gains) losses	250	2	(166)
Prior service costs (credit)	0	8	1
Amortization of net actuarial (gains) losses	(159)	(129)	(162)
Amortization of prior service (costs) credit	11	11	12
Settlement and curtailment (gains) losses	(6)	(5)	(10)
Total recognized in OCI	94	(120)	(333)
Total recognized in net periodic benefit costs and OCI	385	2	(139)
Pension Benefits | Accumulated Other Comprehensive Income (Loss) Foreign Currency Translation Adjustments
Other changes in plan assets and benefit obligations recognized in OCI:
Total recognized in OCI	(2)	(7)	(8)
Other Postretirement Benefits
Net periodic benefit costs [Abstract]
Service costs	3	4	4
Interest costs	43	34	37
Settlement and curtailment (gains) losses	0	0	1
Expected return on plan assets	(54)	(55)	(56)
Amortization of net actuarial (gains) losses	(30)	(25)	(39)
Amortization of prior service costs (credit)	0	0	0
Total net periodic benefit costs (credit)	(38)	(42)	(53)
Other changes in plan assets and benefit obligations recognized in OCI:
Net actuarial (gains) losses	(41)	(191)	(54)
Prior service costs (credit)	0	0	(1)
Amortization of net actuarial (gains) losses	30	25	39
Amortization of prior service (costs) credit	0	0	0
Settlement and curtailment (gains) losses	0	0	10
Total recognized in OCI	(11)	(166)	(6)
Total recognized in net periodic benefit costs and OCI	(49)	(208)	(59)
Other Postretirement Benefits | Accumulated Other Comprehensive Income (Loss) Foreign Currency Translation Adjustments
Other changes in plan assets and benefit obligations recognized in OCI:
Total recognized in OCI	$ 0	$ 0	$ 0

Employee Benefit Plans (Assumpt

Employee Benefit Plans (Assumptions in Determining Benefit Obligations) (Details) - UNITED STATES	Dec. 31, 2023	Dec. 31, 2022
Pension Benefits
Assumptions used in determining benefit obligations [Abstract]
Weighted average discount rate	5.25%	5.60%
Weighted average interest crediting rate	4%	4%
Pension Benefits | Minimum
Assumptions used in determining benefit obligations [Abstract]
Rate of compensation increase	2.50%	2.50%
Pension Benefits | Maximum
Assumptions used in determining benefit obligations [Abstract]
Rate of compensation increase	8%	8%
Other Postretirement Benefits
Assumptions used in determining benefit obligations [Abstract]
Weighted average discount rate	5.35%	5.70%

Employee Benefit Plans (Assum_2

Employee Benefit Plans (Assumptions in Determining Net Periodic Benefit Costs) (Details) - UNITED STATES	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate	5.60%	2.95%	3.01%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate	4%	3.43%	3.24%
Weighted average expected rate of return on plan assets	6.25%	5%	5%
Pension Benefits | Minimum
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	2.50%	2.50%	2.50%
Pension Benefits | Maximum
Defined Benefit Plan Disclosure [Line Items]
Rate of compensation increase	8%	8%	8%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Weighted average discount rate	5.70%	3.05%	3.14%
Weighted average expected rate of return on plan assets	4.25%	3.86%	3.87%

Employee Benefit Plans (Assumed

Employee Benefit Plans (Assumed Healthcare Cost Trend Rates) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Before Age 65
Assumed healthcare costs trend rates
Following year	6.20%	5.20%
Ultimate rate to which cost increase is assumed to decline	3.70%	3.70%
Year in which the ultimate trend rate is reached	2074	2074
Age 65 and older
Assumed healthcare costs trend rates
Following year	4.50%	3.90%
Ultimate rate to which cost increase is assumed to decline	4.50%	4.50%
Year in which the ultimate trend rate is reached	2102	2100

Employee Benefit Plans (Actual

Employee Benefit Plans (Actual & Target Allocation of Fair Value by Asset Class) (Details) - UNITED STATES	Dec. 31, 2023	Dec. 31, 2022
Pension Benefits
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Actual	100%	100%
Pension Benefits | Fixed maturity securities AFS
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Target	85%
Actual	82%	83%
Pension Benefits | Equity Securities
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Target	7%
Actual	6%	6%
Pension Benefits | Alternative Securities
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Target	8%
Actual	12%	11%
Other Postretirement Benefits
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Actual	100%	100%
Other Postretirement Benefits | Fixed maturity securities AFS
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Target	95%
Actual	94%	96%
Other Postretirement Benefits | Equity Securities
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Target	5%
Actual	6%	4%
Other Postretirement Benefits | Alternative Securities
Actual weighted average asset allocation by major asset class for the Invested Plans [Abstract]
Target	0%
Actual	0%	0%

Employee Benefit Plans (Estimat

Employee Benefit Plans (Estimated Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 8,270	$ 8,294	$ 10,971
Pension Benefits | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6,714	6,802
Pension Benefits | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,083	3,001
Pension Benefits | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,575	1,507
Pension Benefits | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	810	769
Pension Benefits | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	203	277
Pension Benefits | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	147	159
Pension Benefits | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	197	396
Pension Benefits | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	699	693
Pension Benefits | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	610	570
Pension Benefits | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	869	896
Pension Benefits | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	77	26
Pension Benefits | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,213	2,130
Pension Benefits | Level 1 | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,726	1,653
Pension Benefits | Level 1 | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 1 | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,537	1,462
Pension Benefits | Level 1 | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 1 | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	62	87
Pension Benefits | Level 1 | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 1 | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	13	12
Pension Benefits | Level 1 | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	114	92
Pension Benefits | Level 1 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	436	416
Pension Benefits | Level 1 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	41	40
Pension Benefits | Level 1 | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10	21
Pension Benefits | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,153	5,244
Pension Benefits | Level 2 | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,924	5,091
Pension Benefits | Level 2 | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,029	2,946
Pension Benefits | Level 2 | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	38	45
Pension Benefits | Level 2 | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	808	769
Pension Benefits | Level 2 | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	141	190
Pension Benefits | Level 2 | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	147	159
Pension Benefits | Level 2 | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	184	384
Pension Benefits | Level 2 | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	577	598
Pension Benefits | Level 2 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	162	151
Pension Benefits | Level 2 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1
Pension Benefits | Level 2 | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	67	1
Pension Benefits | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	904	920
Pension Benefits | Level 3 | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	64	58
Pension Benefits | Level 3 | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	54	55	0
Pension Benefits | Level 3 | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 3 | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2	0	1
Pension Benefits | Level 3 | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 3 | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 3 | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits | Level 3 | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	3	1
Pension Benefits | Level 3 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	12	3	11
Pension Benefits | Level 3 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	828	855
Pension Benefits | Level 3 | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	4
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,334	1,303	$ 1,443
Other Postretirement Benefits | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,274	1,256
Other Postretirement Benefits | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	167	205
Other Postretirement Benefits | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	58	68
Other Postretirement Benefits | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	46	61
Other Postretirement Benefits | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1	4
Other Postretirement Benefits | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	15
Other Postretirement Benefits | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	957	859
Other Postretirement Benefits | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	37	44
Other Postretirement Benefits | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	59	47
Other Postretirement Benefits | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1	0
Other Postretirement Benefits | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	671	589
Other Postretirement Benefits | Level 1 | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	611	542
Other Postretirement Benefits | Level 1 | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 1 | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	52	68
Other Postretirement Benefits | Level 1 | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 1 | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1	3
Other Postretirement Benefits | Level 1 | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 1 | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	554	463
Other Postretirement Benefits | Level 1 | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4	8
Other Postretirement Benefits | Level 1 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	59	47
Other Postretirement Benefits | Level 1 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1	0
Other Postretirement Benefits | Level 1 | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	663	714
Other Postretirement Benefits | Level 2 | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	663	714
Other Postretirement Benefits | Level 2 | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	167	205
Other Postretirement Benefits | Level 2 | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6	0
Other Postretirement Benefits | Level 2 | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	46	61
Other Postretirement Benefits | Level 2 | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1
Other Postretirement Benefits | Level 2 | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	15
Other Postretirement Benefits | Level 2 | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	403	396
Other Postretirement Benefits | Level 2 | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33	36
Other Postretirement Benefits | Level 2 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 2 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 2 | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Fixed maturity securities AFS
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Corporate fixed maturity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | U.S. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Foreign government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Federal agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Municipals
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Other (1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other Postretirement Benefits | Level 3 | Derivative assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0

Employee Benefit Plans (Signifi

Employee Benefit Plans (Significant Unobservable Inputs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Pension Benefits
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	$ 8,294	$ 10,971
Purchases, sales, issuances and settlements, net	(35)	(38)
Estimated fair value of plan assets at December 31,	8,270	8,294
Pension Benefits | Foreign government
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	769
Estimated fair value of plan assets at December 31,	810	769
Pension Benefits | Other (1)
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	693
Estimated fair value of plan assets at December 31,	699	693
Pension Benefits | Equity Securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	570
Estimated fair value of plan assets at December 31,	610	570
Pension Benefits | Corporate fixed maturity securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	3,001
Estimated fair value of plan assets at December 31,	3,083	3,001
Other Postretirement Benefits
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	1,303	1,443
Purchases, sales, issuances and settlements, net	0	0
Estimated fair value of plan assets at December 31,	1,334	1,303
Other Postretirement Benefits | Foreign government
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	61
Estimated fair value of plan assets at December 31,	46	61
Other Postretirement Benefits | Other (1)
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	44
Estimated fair value of plan assets at December 31,	37	44
Other Postretirement Benefits | Equity Securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	47
Estimated fair value of plan assets at December 31,	59	47
Other Postretirement Benefits | Corporate fixed maturity securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	205
Estimated fair value of plan assets at December 31,	167	205
Level 3 | Pension Benefits
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	920
Estimated fair value of plan assets at December 31,	904	920
Level 3 | Pension Benefits | Foreign government
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	0	1
Realized gains (losses)	0	0
Unrealized gains (losses)	0	0
Purchases, sales, issuances and settlements, net	0	0
Transfers into and/or out of Level 3	2	(1)
Estimated fair value of plan assets at December 31,	2	0
Level 3 | Pension Benefits | Other (1)
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	3	1
Realized gains (losses)	0	0
Unrealized gains (losses)	0	0
Purchases, sales, issuances and settlements, net	0	3
Transfers into and/or out of Level 3	5	(1)
Estimated fair value of plan assets at December 31,	8	3
Level 3 | Pension Benefits | Equity Securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	3	11
Realized gains (losses)	0	0
Unrealized gains (losses)	1	0
Purchases, sales, issuances and settlements, net	8	(8)
Transfers into and/or out of Level 3	0	0
Estimated fair value of plan assets at December 31,	12	3
Level 3 | Pension Benefits | Other investments
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	855	954
Realized gains (losses)	(1)	0
Unrealized gains (losses)	(51)	54
Purchases, sales, issuances and settlements, net	25	(153)
Transfers into and/or out of Level 3	0	0
Estimated fair value of plan assets at December 31,	828	855
Level 3 | Pension Benefits | Corporate fixed maturity securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	55	0
Realized gains (losses)	0	0
Unrealized gains (losses)	1	(1)
Purchases, sales, issuances and settlements, net	2	56
Transfers into and/or out of Level 3	(4)	0
Estimated fair value of plan assets at December 31,	54	55
Level 3 | Pension Benefits | Derivative Financial Instruments, Assets
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	4	0
Realized gains (losses)	0	0
Unrealized gains (losses)	(1)	1
Purchases, sales, issuances and settlements, net	(3)	3
Transfers into and/or out of Level 3	0	0
Estimated fair value of plan assets at December 31,	0	4
Level 3 | Other Postretirement Benefits
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	0
Estimated fair value of plan assets at December 31,	0	0
Level 3 | Other Postretirement Benefits | Foreign government
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	0
Estimated fair value of plan assets at December 31,	0	0
Level 3 | Other Postretirement Benefits | Other (1)
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	0
Estimated fair value of plan assets at December 31,	0	0
Level 3 | Other Postretirement Benefits | Equity Securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	0
Estimated fair value of plan assets at December 31,	0	0
Level 3 | Other Postretirement Benefits | Corporate fixed maturity securities
Rollforward fair value measurement using significant unobservable inputs (level 3) [Roll Forward]
Estimated fair value of plan assets at January 1,	0
Estimated fair value of plan assets at December 31,	$ 0	$ 0

Employee Benefit Plans (Expecte

Employee Benefit Plans (Expected Gross Benefit Payments) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Pension Benefits
Defined benefit plan estimated future benefit payments [Abstract]
2024	$ 690
2025	697
2026	707
2027	718
2028	735
2029-2033	3,668
Other Postretirement Benefits
Defined benefit plan estimated future benefit payments [Abstract]
2024	61
2025	58
2026	57
2027	57
2028	56
2029-2033	$ 267

Employee Benefit Plans (Narrati

Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Cost		$ 90	$ 46	$ 88
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		9,498	9,298	$ 12,182
Pension Benefits | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		$ 8,649	$ 8,425
Weighted average expected return on plan assets		6.25%	5%	5%
Pension Benefits | Non- U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		$ 849	$ 873
Pension Benefits | Scenario, Forecast | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Weighted average expected return on plan assets	6%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		765	794	$ 1,138
Other Postretirement Benefits | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		$ 723	$ 758
Weighted average expected return on plan assets		4.25%	3.86%	3.87%
Expected future discretionary contributions		$ 20
Other Postretirement Benefits | Non- U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		42	$ 36
Other Postretirement Benefits | Scenario, Forecast | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Weighted average expected return on plan assets	4.25%
United States Pension Plan of US Entity, Non Qualified [Member]
Defined Benefit Plan Disclosure [Line Items]
Aggregate projected benefit obligations		1,000	$ 1,000
Expected future discretionary contributions		$ 80

Income Tax (Provision for Incom

Income Tax (Provision for Income Tax from Continuing Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
U.S. federal	$ 381	$ 159	$ 62
U.S. state and local	46	45	38
Non-U.S.	1,240	1,074	795
Subtotal	1,667	1,278	895
Deferred:
U.S. federal	(591)	1,234	872
U.S. state and local	(4)	0	(2)
Non-U.S.	(512)	(1,450)	(123)
Subtotal	(1,107)	(216)	747
Current and Deferred:
Provision for income tax expense (benefit)	$ 560	$ 1,062	$ 1,642

Income Tax (Income Loss from Co

Income Tax (Income Loss from Continuing Operations Before Income Tax Expense from Domestic and Foreign Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income (loss) from continuing operations:
U.S.	$ (95)	$ 5,785	$ 4,924
Non-U.S.	2,257	579	3,594
Income (loss) before provision for income tax	$ 2,162	$ 6,364	$ 8,518

Income Tax (Reconciliation of I

Income Tax (Reconciliation of Income Tax Provision between US Statutory Rate and As Reported for Continuing Operations) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income tax expense benefit continuing operations income tax reconciliation
Tax provision at U.S. statutory rate		$ 454	$ 1,337	$ 1,789
Dividend received deduction		(18)	(20)	(40)
Tax-exempt income		(34)	15	(36)
Prior year tax (1)		(12)	(15)	(127)
Low income housing tax credits		(116)	(143)	(178)
Other tax credits		(39)	(44)	(46)
Foreign tax rate differential (2), (3), (4)		(312)	85	(275)
Effective Income Tax Rate Reconciliation, Change In Tax Law, Amount	$ 0	(198)	0	0
Change in valuation allowance (5)		187	0	1
Other, net		(24)	(17)	(4)
Deferred Federal Income Tax Expense (Benefit)		(591)	1,234	872
Provision for income tax expense (benefit)		560	1,062	1,642
U.S. tax on global intangible low-taxes income		22	12	30
Tax Year 2020
Income tax expense benefit continuing operations income tax reconciliation
U.S. tax on global intangible low-taxes income				(12)
Tax Year 2021
Income tax expense benefit continuing operations income tax reconciliation
U.S. tax on global intangible low-taxes income			(21)	42
Tax Year 2022
Income tax expense benefit continuing operations income tax reconciliation
U.S. tax on global intangible low-taxes income		6	33
Tax Year 2023
Income tax expense benefit continuing operations income tax reconciliation
U.S. tax on global intangible low-taxes income		28
Enactment of Bermuda Corporate Income Tax
Income tax expense benefit continuing operations income tax reconciliation
Change in valuation allowance (5)		198
Provision for income tax expense (benefit)		(198)
MetLife Poland and Greece
Income tax expense benefit continuing operations income tax reconciliation
Foreign tax rate differential (2), (3), (4)				(50)
MetLife Seguros S.A
Income tax expense benefit continuing operations income tax reconciliation
Foreign tax rate differential (2), (3), (4)				$ (41)
MetLife Malaysia
Income tax expense benefit continuing operations income tax reconciliation
Foreign tax rate differential (2), (3), (4)		(28)
Settlement with Taxing Authority
Income tax expense benefit continuing operations income tax reconciliation
Prior year tax (1)		$ (32)	$ (117)
Provision for income tax expense (benefit)	$ (53)

Income Tax (Net Deferred Income

Income Tax (Net Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2021
Deferred tax assets and liabilities
Tax Credit Carryforward, Amount	$ 82	$ 590
Deferred income tax assets:
Policyholder liabilities and receivables	3,476	758
Net operating loss carryforwards (1)	256	238
Employee benefits	523	475
Capital loss carryforwards	29	15
Tax credit carryforwards (2)	82	590
Net unrealized investment losses	4,308	5,946
Litigation-related and government mandated	101	90
Other	393	67
Total gross deferred income tax assets	9,168	8,179
Less: Valuation allowance (1)	496	291
Total net deferred income tax assets	8,672	7,888
Deferred income tax liabilities:
Investments, including derivatives	2,054	1,691
Intangibles	1,004	1,096
DAC	3,929	3,612
Total deferred income tax liabilities	6,987	6,399
Deferred Tax Assets, Net, Total	1,685	1,489
Deferred Tax Assets, Net [Abstract]
Deferred income tax liability	927	$ 950	$ 4,723
Certain State and Foreign Net Operating Loss Carryforwards
Deferred tax assets and liabilities
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	256
Enactment of Bermuda Corporate Income Tax
Deferred tax assets and liabilities
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 198

Income Tax (Reconciliation of U

Income Tax (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits
Balance at January 1,	$ 129	$ 163	$ 272
Additions for tax positions of prior years	27	42	19
Reductions for tax positions of prior years (1)	(30)	(93)	(112)
Additions for tax positions of current year	5	22	5
Reductions for tax positions of current year	0	(3)	(18)
Settlements with tax authorities	0	(2)	(3)
Balance at December 31,	131	129	163
Unrecognized tax benefits that, if recognized, would impact the effective rate	$ 90	$ 80	$ 103

Income Tax (Interest Accrued Re

Income Tax (Interest Accrued Related to Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Examination [Line Items]
Interest expense (benefit) recognized on the consolidated statements of operations (1)	$ (7)	$ 0	$ 36
Interest included in other liabilities on the consolidated balance sheets	$ 22	$ 15
Operating Expense
Income Tax Examination [Line Items]
Interest expense (benefit) recognized on the consolidated statements of operations (1)			10
Current Income Tax Payable
Income Tax Examination [Line Items]
Interest expense (benefit) recognized on the consolidated statements of operations (1)			$ (26)

Income Tax (Narrative) (Details

Income Tax (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Provision for income tax expense (benefit)			$ 560	$ 1,062	$ 1,642
Operating Expenses			12,710	11,859	$ 12,018
Deferred Tax Liabilities, Investments	$ 1,691		2,054	$ 1,691
Foreign Tax Authority
Deferred Tax Liabilities, Investments			$ 223
Settlement with Taxing Authority
Provision for income tax expense (benefit)		$ (53)
Settlement with Taxing Authority | American Life Insurance Company [Member]
Tax Adjustments, Settlements, and Unusual Provisions	(70)	(42)
Provision for income tax expense (benefit)	(67)	(34)
Operating Expenses	4	10
Operating Expenses Net	$ 3	$ 8

Earnings Per Common Share (Earn

Earnings Per Common Share (Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Shares:
Weighted average common stock outstanding - basic									757.7	803.2	862.7
Incremental common shares from assumed exercise or issuance of stock-based awards									4.6	5.7	6.7
Weighted average common stock outstanding - diluted									762.3	808.9	869.4
Net Income (Loss):
Net income (loss)	$ 614	$ 495	$ 408	$ 85	$ 1,581	$ 1,167	$ 915	$ 1,639	$ 1,602	$ 5,302	$ 6,876
Less: Net income (loss) attributable to noncontrolling interests	7	6	6	5	3	5	5	5	24	18	21
Less: Preferred stock dividends	33	67	32	66	29	64	29	63	198	185	195
Preferred stock redemption premium									0	0	6
Net income (loss) available to MetLife, Inc.’s common shareholders	$ 574	$ 422	$ 370	$ 14	$ 1,549	$ 1,098	$ 881	$ 1,571	$ 1,380	$ 5,099	$ 6,654
Basic	$ 0.78	$ 0.56	$ 0.48	$ 0.02	$ 1.98	$ 1.38	$ 1.09	$ 1.91	$ 1.82	$ 6.35	$ 7.71
Diluted	$ 0.77	$ 0.56	$ 0.48	$ 0.02	$ 1.96	$ 1.37	$ 1.08	$ 1.89	$ 1.81	$ 6.30	$ 7.65

Contingencies, Commitments an_3

Contingencies, Commitments and Guarantees (Asbestos Claims) (Details) - Asbestos Related Claims $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) Claims	Dec. 31, 2022 USD ($) Claims	Dec. 31, 2021 USD ($) Claims
Loss Contingencies [Line Items]
Asbestos personal injury claims at year end | Claims	57,488	58,073	58,785
Number of new claims during the year | Claims	2,565	2,610	2,824
Settlement payments during the year | $	$ 50.6	$ 50.5	$ 53
Asbestos-related claims liability, ending balance | $	$ 364	$ 320

Contingencies, Commitments an_4

Contingencies, Commitments and Guarantees (Contingencies - Narrative) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Minimum
Loss Contingencies
Loss Contingency, Range of Possible Loss, Portion Not Accrued	$ 0
Maximum
Loss Contingencies
Loss Contingency, Range of Possible Loss, Portion Not Accrued	$ 125

Contingencies, Commitments an_5

Contingencies, Commitments and Guarantees (Commitments and Guarantees - Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Contingencies, Commitments and Guarantees [Abstract]
Liabilities for indemnities, guarantees and commitments	$ 19	$ 20
Cumulative maximum indemnities and guarantees contractual limitation	630
Minimum
Contingencies, Commitments and Guarantees [Abstract]
Indemnities and guarantees contractual limitation range	1
Maximum
Contingencies, Commitments and Guarantees [Abstract]
Indemnities and guarantees contractual limitation range	329
Commitments to Fund Partnership Investments, Bank Credit Facilities, Bridge Loans and Private Corporate Bond Investments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability	9,200	9,400
Mortgage Loan Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability	$ 4,000	$ 3,400

Quarterly Results of Operatio_3

Quarterly Results of Operations (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]
Total revenues	$ 19,028	$ 15,866	$ 16,623	$ 15,388	$ 15,608	$ 22,283	$ 15,474	$ 15,405	$ 66,905	$ 68,770	$ 68,696
Total expenses	18,087	15,332	16,193	15,131	13,582	20,868	14,486	13,470	64,743	62,406	60,178
Net income (loss)	614	495	408	85	1,581	1,167	915	1,639	1,602	5,302	6,876
Less: Net income (loss) attributable to noncontrolling interests	7	6	6	5	3	5	5	5	24	18	21
Net income (loss) attributable to MetLife, Inc.	607	489	402	80	1,578	1,162	910	1,634	1,578	5,284	6,855
Less: Preferred stock dividends	33	67	32	66	29	64	29	63	198	185	195
Net income (loss) available to MetLife, Inc.’s common shareholders	$ 574	$ 422	$ 370	$ 14	$ 1,549	$ 1,098	$ 881	$ 1,571	$ 1,380	$ 5,099	$ 6,654
Basic earnings per common share
Net income (loss) attributable to MetLife, Inc. (in dollars per share)	$ 0.82	$ 0.65	$ 0.52	$ 0.10	$ 2.01	$ 1.46	$ 1.12	$ 1.98
Net income (loss) available to MetLife, Inc.’s common shareholders (in dollars per share)	0.78	0.56	0.48	0.02	1.98	1.38	1.09	1.91	$ 1.82	$ 6.35	$ 7.71
Diluted earnings per common share
Net income (loss) attributable to MetLife, Inc. (in dollars per share)	0.82	0.65	0.52	0.10	2	1.45	1.12	1.97
Net income (loss) available to MetLife, Inc.’s common shareholders (in dollars per share)	$ 0.77	$ 0.56	$ 0.48	$ 0.02	$ 1.96	$ 1.37	$ 1.08	$ 1.89	$ 1.81	$ 6.30	$ 7.65

Consolidated Summary of Inves_2

Consolidated Summary of Investments - Other Than Investments in Related Parties (Details) $ in Millions	Dec. 31, 2023 USD ($)
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	$ 464,137
Estimated Fair Value	446,137
Total fixed maturity securities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	300,555
Estimated Fair Value	281,412
Amount at Which Shown on Balance Sheet	281,412
Foreign government
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	48,260
Estimated Fair Value	45,489
Amount at Which Shown on Balance Sheet	45,489
U.S. government and agency
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	35,374
Estimated Fair Value	32,252
Amount at Which Shown on Balance Sheet	32,252
Public utilities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	10,842
Estimated Fair Value	10,534
Amount at Which Shown on Balance Sheet	10,534
Municipals
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	11,991
Estimated Fair Value	11,171
Amount at Which Shown on Balance Sheet	11,171
All other corporate bonds
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	132,887
Estimated Fair Value	124,645
Amount at Which Shown on Balance Sheet	124,645
Total bonds
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	239,354
Estimated Fair Value	224,091
Amount at Which Shown on Balance Sheet	224,091
Mortgage-backed, asset-backed and collateralized loan obligations securities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	60,244
Estimated Fair Value	56,339
Amount at Which Shown on Balance Sheet	56,339
Redeemable preferred stock
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	957
Estimated Fair Value	982
Amount at Which Shown on Balance Sheet	982
FVO Securities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	8,742
Estimated Fair Value	10,331
Amount at Which Shown on Balance Sheet	10,331
Equity Securities, Investment Summary [Member]
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	514
Estimated Fair Value	757
Amount at Which Shown on Balance Sheet	757
Industrial, miscellaneous and all other
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	306
Estimated Fair Value	456
Amount at Which Shown on Balance Sheet	456
Public utilities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	0
Estimated Fair Value	3
Amount at Which Shown on Balance Sheet	3
Banks, trust and insurance companies
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	118
Estimated Fair Value	204
Amount at Which Shown on Balance Sheet	204
Non-redeemable Preferred Stock
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	90
Estimated Fair Value	94
Amount at Which Shown on Balance Sheet	94
Mortgage loans
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	93,227
Estimated Fair Value	92,506
Policy loans
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	8,788
Estimated Fair Value	8,788
Real estate and real estate joint ventures
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	13,142
Estimated Fair Value	13,142
Real estate acquired in satisfaction of debt
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	190
Estimated Fair Value	190
OLPI
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	14,764
Estimated Fair Value	14,764
Short-term investments
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	5,990
Estimated Fair Value	6,045
Other invested assets
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Cost or Amortized Cost	18,225
Estimated Fair Value	$ 18,202

Condensed Financial Informati_2

Condensed Financial Information (Parent Company) (Condensed Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Investments:
Estimated Fair Value of Fixed Maturity Securities AFS	$ 281,412	$ 276,780
Short-term investments, principally at estimated fair value	6,045	4,935
Other invested assets, at estimated fair value	18,202	20,038
Total investments	446,137	433,293
Cash and cash equivalents	20,639	20,195
Accrued investment income	$ 3,589	$ 3,446
Investment, Issuer Affiliation [Extensible Enumeration]	Investment, Affiliated Issuer, Controlled [Member]	Investment, Affiliated Issuer, Controlled [Member]
Other assets	$ 11,139	$ 11,025		$ 11,742
Total assets	687,584	663,072
Liabilities
Payables for collateral under derivatives transactions	$ 17,524	$ 20,937
Notes Payable, Related Party, Type [Extensible Enumeration]	Affiliated Entity	Affiliated Entity
Junior subordinated debt securities	$ 3,161	$ 3,158
Other liabilities	35,805	25,933
Total liabilities	657,331	632,947
Stockholders’ Equity
Preferred stock, par value $0.01 per share; $3,905 aggregate liquidation preference	0	0
Common stock, par value $0.01 per share; 3,000,000,000 shares authorized; 1,191,823,651 and 1,189,831,471 shares issued, respectively; 730,821,111 and 779,098,414 shares outstanding, respectively	12	12
Additional paid-in capital	33,690	33,616
Retained earnings	40,146	40,332		31,824
Treasury stock, at cost; 461,002,540 and 410,733,057 shares, respectively	(24,591)	(21,458)
Accumulated other comprehensive income (loss)	(19,242)	(22,621)		$ 315
Total stockholders’ equity	30,015	29,881
Total liabilities and stockholders' equity	687,584	663,072
Parent Company
Investments:
Estimated Fair Value of Fixed Maturity Securities AFS	1,583	3,729
Short-term investments, principally at estimated fair value	52	0
Other invested assets, at estimated fair value	517	376
Total investments	2,152	4,105
Cash and cash equivalents	3,021	1,290	$ 1,961		$ 441
Accrued investment income	9	20
Investment in subsidiaries	43,838	42,736
Loans to subsidiaries	305	95
Other assets	667	724
Total assets	49,992	48,970
Liabilities
Payables for collateral under derivatives transactions	265	154
Long-term debt — unaffiliated	14,516	13,588
Long-term debt — affiliated	1,585	1,676
Junior subordinated debt securities	2,468	2,465
Other liabilities	1,143	1,206
Total liabilities	19,977	19,089
Stockholders’ Equity
Preferred stock, par value $0.01 per share; $3,905 aggregate liquidation preference	0	0
Common stock, par value $0.01 per share; 3,000,000,000 shares authorized; 1,191,823,651 and 1,189,831,471 shares issued, respectively; 730,821,111 and 779,098,414 shares outstanding, respectively	12	12
Additional paid-in capital	33,690	33,616
Retained earnings	40,146	40,332
Treasury stock, at cost; 461,002,540 and 410,733,057 shares, respectively	(24,591)	(21,458)
Accumulated other comprehensive income (loss)	(19,242)	(22,621)
Total stockholders’ equity	30,015	29,881
Total liabilities and stockholders' equity	$ 49,992	$ 48,970

Condensed Financial Informati_3

Condensed Financial Information (Parent Company) (Condensed Balance Sheet - Insets) (Details) - USD ($) $ / shares in Units, $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Condensed Balance Sheet Statements, Captions [Line Items]
Amortized cost of fixed maturity securities	$ 300,555	$ 306,025
Preferred stock, par value	$ 0.01	$ 0.01
Preferred Stock, Liquidation Preference, Value	$ 3,905	$ 3,905
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	3,000,000,000	3,000,000,000
Common stock, shares issued	1,191,823,651	1,189,831,471
Common stock, shares outstanding	730,821,111	779,098,414
Treasury stock, shares	461,002,540	410,733,057
Parent Company
Condensed Balance Sheet Statements, Captions [Line Items]
Amortized cost of fixed maturity securities	$ 1,689	$ 3,877
Preferred stock, par value	$ 0.01	$ 0.01
Preferred Stock, Liquidation Preference, Value	$ 3,905	$ 3,905
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	3,000,000,000	3,000,000,000
Common stock, shares issued	1,191,823,651	1,189,831,471
Common stock, shares outstanding	730,821,111	779,098,414
Treasury stock, shares	461,002,540	410,733,057

Condensed Financial Informati_4

Condensed Financial Information (Parent Company) (Condensed Statements of Operations) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Condensed Income Statements, Captions [Line Items]
Net investment income									$ 19,908	$ 15,916	$ 21,395
Other revenues									2,526	2,630	2,619
Net investment gains (losses)									(2,824)	(1,260)	1,543
Net derivative gains (losses)									(2,140)	(2,251)	(3,257)
Total revenues	$ 19,028	$ 15,866	$ 16,623	$ 15,388	$ 15,608	$ 22,283	$ 15,474	$ 15,405	66,905	68,770	68,696
Expenses
Other expenses									12,710	11,859	12,018
Total expenses	18,087	15,332	16,193	15,131	13,582	20,868	14,486	13,470	64,743	62,406	60,178
Income (loss) before provision for income tax and equity in earnings of subsidiaries									2,162	6,364	8,518
Provision for income tax expense (benefit)									560	1,062	1,642
Equity in earnings of subsidiaries									151	1,305	5,136
Net income (loss)	607	489	402	80	1,578	1,162	910	1,634	1,578	5,284	6,855
Less: Preferred stock dividends	33	67	32	66	29	64	29	63	198	185	195
Preferred stock redemption premium									0	0	6
Net income (loss) available to MetLife, Inc.’s common shareholders	$ 574	$ 422	$ 370	$ 14	$ 1,549	$ 1,098	$ 881	$ 1,571	1,380	5,099	6,654
Comprehensive income (loss)									4,957	(14,886)	4,089
Parent Company
Condensed Income Statements, Captions [Line Items]
Net investment income									188	58	25
Other revenues									17	17	19
Net investment gains (losses)									134	332	1,655
Net derivative gains (losses)									(41)	129	116
Total revenues									298	536	1,815
Expenses
Interest expense									907	829	847
Other expenses									140	79	207
Total expenses									1,047	908	1,054
Income (loss) before provision for income tax and equity in earnings of subsidiaries									(749)	(372)	761
Provision for income tax expense (benefit)									(128)	(37)	202
Equity in earnings of subsidiaries									2,199	5,619	6,296
Net income (loss)									1,578	5,284	6,855
Less: Preferred stock dividends									198	185	195
Preferred stock redemption premium									0	0	6
Net income (loss) available to MetLife, Inc.’s common shareholders									1,380	5,099	6,654
Comprehensive income (loss)									$ 4,957	$ (14,886)	$ 4,089

Condensed Financial Informati_5

Condensed Financial Information (Parent Company) (Condensed Statements of Cash Flows) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income (loss)	$ 607	$ 489	$ 402	$ 80	$ 1,578	$ 1,162	$ 910	$ 1,634	$ 1,578	$ 5,284	$ 6,855
(Gains) losses on investments and from sales of businesses, net									2,800	1,260	(1,543)
Other, net									197	245	113
Net cash provided by (used in) operating activities									13,721	13,044	12,347
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale									58,816	88,937	88,839
Purchases of fixed maturity securities available-for-sale									(63,460)	(82,956)	(97,368)
Sales, maturities and repayments of short-term investments									13,117	14,094	20,871
Purchases of short-term investments									(14,000)	(11,741)	(24,148)
Cash received in connection with freestanding derivatives									3,145	4,524	3,453
Cash paid in connection with freestanding derivatives									(5,662)	(7,793)	(7,990)
Other, net									(143)	(63)	(46)
Net cash provided by (used in) investing activities									(10,246)	(2,620)	(11,187)
Cash flows from financing activities
Net change in payables for collateral under securities loaned and other transactions									(3,283)	(10,730)	1,883
Long-term debt issued									1,989	1,013	29
Long-term debt repaid									(1,035)	(85)	(582)
Treasury stock acquired in connection with share repurchases									(3,103)	(3,326)	(4,303)
Redemption of preferred stock									0	0	(494)
Preferred stock redemption premium									0	0	(6)
Dividends on preferred stock									(198)	(185)	(195)
Dividends on common stock									(1,566)	(1,598)	(1,647)
Other, net									(139)	(236)	22
Net cash provided by (used in) financing activities									(2,940)	(9,948)	(1,126)
Cash and cash equivalents, from continuing operations, beginning of year				20,195					20,195
Cash and cash equivalents, from continuing operations, end of year	20,639				20,195				20,639	20,195
Supplemental disclosures of cash flow information
Net cash paid (received) for Income tax									1,833	1,056	1,102
Parent Company
Cash flows from operating activities
Net income (loss)									1,578	5,284	6,855
Earnings of subsidiaries									(2,199)	(5,619)	(6,296)
Dividends from subsidiaries									4,780	5,168	4,830
(Gains) losses on investments and from sales of businesses, net									(134)	(332)	(1,655)
Other, net									158	(73)	23
Net cash provided by (used in) operating activities									4,183	4,428	3,757
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale									3,093	1,609	5,078
Purchases of fixed maturity securities available-for-sale									(973)	(2,757)	(4,371)
Sales, maturities and repayments of short-term investments									1,330	0	0
Purchases of short-term investments									(1,375)	0	0
Net change in short-term investments									0	0	156
Cash received in connection with freestanding derivatives									161	296	111
Cash paid in connection with freestanding derivatives									(155)	(103)	(27)
Sales of businesses									0	0	3,902
Expense paid on behalf of subsidiaries									(4)	(10)	(15)
Receipts on loans to subsidiaries									250	150	195
Issuances of loans to subsidiaries									(460)	(210)	(230)
Returns of capital from subsidiaries									6	8	13
Capital contributions to subsidiaries									(528)	(5)	(88)
Other, net									(3)	15	9
Net cash provided by (used in) investing activities									1,342	(1,007)	4,733
Cash flows from financing activities
Net change in payables for collateral under securities loaned and other transactions									111	1	88
Long-term debt issued									1,986	1,000	496
Long-term debt repaid									(1,000)	0	(996)
Treasury stock acquired in connection with share repurchases									(3,103)	(3,326)	(4,303)
Redemption of preferred stock									0	0	(494)
Preferred stock redemption premium									0	0	(6)
Dividends on preferred stock									(198)	(185)	(195)
Dividends on common stock									(1,566)	(1,598)	(1,647)
Other, net									(24)	16	87
Net cash provided by (used in) financing activities									(3,794)	(4,092)	(6,970)
Change in cash and cash equivalents									1,731	(671)	1,520
Cash and cash equivalents, from continuing operations, beginning of year				$ 1,290				$ 1,961	1,290	1,961	441
Cash and cash equivalents, from continuing operations, end of year	$ 3,021				$ 1,290				3,021	1,290	1,961
Supplemental disclosures of cash flow information
Net cash paid for Interest									852	800	853
Net cash paid (received) for Income tax									(165)	(129)	18
Non-cash transactions:
Dividends from subsidiary									0	0	14
Returns of capital from subsidiaries									2	12	7
Capital contributions to subsidiaries									1	11	15
Amounts paid to (received from) subsidiaries, net | Parent Company
Supplemental disclosures of cash flow information
Net cash paid (received) for Income tax									(671)	(214)	(110)
Income tax paid (received) by MetLife, Inc., net | Parent Company
Supplemental disclosures of cash flow information
Net cash paid (received) for Income tax									$ 506	$ 85	$ 128

Condensed Financial Informati_6

Condensed Financial Information (Parent Company) (Investment in Subsidiaries - Narrative) (Details) - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Metropolitan Property And Casualty Insurance Company [Member]
Condensed Financial Statements, Captions [Line Items]
Sales of businesses	$ 3.9	$ 3.9

Condensed Financial Informati_7

Condensed Financial Information (Parent Company) (Loans to Subsidiaries - Narrative) (Details) - Parent Company - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Notes to Condensed Financial Information of Parent Company (Textuals) [Abstract]
Other Receivables, Net, Current		$ 60	$ 35	$ 250	$ 150	$ 195
Debt Instrument, Interest Rate, Stated Percentage		5.23%	212%	124%	100%
Note $80M 5.34% maturity in March 2028
Notes to Condensed Financial Information of Parent Company (Textuals) [Abstract]
Other Receivables, Net, Current	$ 80
Debt Instrument, Interest Rate, Stated Percentage	5.34%
Note $80M 5.68% maturity March 2033
Notes to Condensed Financial Information of Parent Company (Textuals) [Abstract]
Other Receivables, Net, Current	$ 80
Debt Instrument, Interest Rate, Stated Percentage	5.68%
Note $50M 6.05% maturity March 2038
Notes to Condensed Financial Information of Parent Company (Textuals) [Abstract]
Other Receivables, Net, Current	$ 50
Debt Instrument, Interest Rate, Stated Percentage	6.05%
Interest Income [Member]
Notes to Condensed Financial Information of Parent Company (Textuals) [Abstract]
Interest Income, Other	$ 22	$ 2	$ 1

Condensed Financial Informati_8

Condensed Financial Information (Parent Company) (Long-term Debt Outstanding) (Details) - Parent Company $ in Millions, ¥ in Billions	Dec. 31, 2023 USD ($)	Jul. 10, 2023 JPY (¥)	Jul. 08, 2023 JPY (¥)	Mar. 31, 2023	Dec. 31, 2022 USD ($)	Mar. 31, 2022	Dec. 31, 2021	Dec. 16, 2021 JPY (¥)	Jul. 15, 2021 JPY (¥)
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				124%	5.23%	100%	212%
Long-term Debt [Abstract]
Senior Notes | $	$ 14,516				$ 13,588
Long-term Debt | $	16,101				15,264
Senior Notes, Unaffiliated [Member]
Long-term Debt [Abstract]
Senior Notes | $	14,516				13,588
Senior Notes, Affiliated [Member]
Long-term Debt [Abstract]
Senior Notes | $	$ 1,585				$ 1,676
Minimum | Senior Notes, Unaffiliated [Member]
Long-term Debt [Abstract]
Debt Instrument, Interest Rate, Effective Percentage	0.50%
Minimum | Senior Notes, Affiliated [Member]
Long-term Debt [Abstract]
Debt Instrument, Interest Rate, Effective Percentage	1.59%
Maximum | Senior Notes, Unaffiliated [Member]
Long-term Debt [Abstract]
Debt Instrument, Interest Rate, Effective Percentage	6.50%
Maximum | Senior Notes, Affiliated [Member]
Long-term Debt [Abstract]
Debt Instrument, Interest Rate, Effective Percentage	7.49%
SeniorDebtYen53.7BillionJune2021 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									2.9725%
Long-term Debt [Abstract]
Senior Notes									¥ 53.7
SeniorDebtYen13.7BillionJuly2026 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									1.61%
Long-term Debt [Abstract]
Senior Notes									¥ 13.7
SeniorDebtYen14.3BillionJuly2028 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									1.755%
Long-term Debt [Abstract]
Senior Notes									¥ 14.3
SeninorDebtYen25.7BillionJuly2031 | Senior Notes, Affiliated [Member]
Long-term Debt [Abstract]
Senior Notes									¥ 25.7
SeniorDebtYen25.7BillionJuly2028 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									1.852%
SeniorDebtYen54.6BillionDecember2021 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								3.135%
Long-term Debt [Abstract]
Senior Notes								¥ 54.6
SeniorDebtYen12.2BillionDecember2021 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								1.588%
Long-term Debt [Abstract]
Senior Notes								¥ 12.2
SeniorDebtYen19.1BillionDecember2021 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								1.7185%
Long-term Debt [Abstract]
Senior Notes								¥ 19.1
SeniorDebtYen23.3BillionDecember2021 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								1.85%
Long-term Debt [Abstract]
Senior Notes								¥ 23.3
SeniorDebtYen37.3BillionJuly2023 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			1.6015%
Long-term Debt [Abstract]
Senior Notes			¥ 37.3
SeniorDebtYen37.3BillionJuly2030 | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		2.1575%
Long-term Debt [Abstract]
Senior Notes		¥ 37.3
Note $80M 5.68% maturity March 2033
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.68%

Condensed Financial Informati_9

Condensed Financial Information (Parent Company) (Interest Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest Expense [Abstract]
Total interest expense	$ 740	$ 655	$ 647
Parent Company
Interest Expense [Abstract]
Total interest expense	907	829	847
Parent Company | Long-term Debt
Interest Expense [Abstract]
Total interest expense	653	583	590
Parent Company | Long-term Debt | Affiliated Entity
Interest Expense [Abstract]
Total interest expense	45	37	47
Parent Company | Secured Debt [Member]
Interest Expense [Abstract]
Total interest expense	4	4	5
Parent Company | Junior Subordinated Debt [Member]
Interest Expense [Abstract]
Total interest expense	$ 205	$ 205	$ 205

Condensed Financial Informat_10

Condensed Financial Information (Parent Company) (Long-term Debt - Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ 108	$ 87
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	1,800
Long-term Debt, Maturities, Repayments of Principal in Year Two	1,300
Long-term Debt, Maturities, Repayments of Principal in Year Three	180
Long-term Debt, Maturities, Repayments of Principal in Year Four	52
Long-term Debt, Maturities, Repayments of Principal in Year Five	348
Long-term Debt, Maturities, Repayments of Principal after Year Five	11,900
Parent Company
Condensed Financial Statements, Captions [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	1,400
Long-term Debt, Maturities, Repayments of Principal in Year Two	1,200
Long-term Debt, Maturities, Repayments of Principal in Year Three	476
Long-term Debt, Maturities, Repayments of Principal in Year Four	0
Long-term Debt, Maturities, Repayments of Principal in Year Five	237
Long-term Debt, Maturities, Repayments of Principal after Year Five	12,700
Senior Notes	14,516	13,588
Parent Company | Senior Notes Unaffiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	106	83
Senior Notes	14,516	13,588
Parent Company | Senior Notes, Affiliated [Member]
Condensed Financial Statements, Captions [Line Items]
Senior Notes	$ 1,585	$ 1,676

Condensed Financial Informat_11

Condensed Financial Information (Parent Company) (Support Agreements - Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Condensed Financial Statements, Captions [Line Items]
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 19	$ 25
Parent Company | Support Agreement Exeter Obligations [Member]
Condensed Financial Statements, Captions [Line Items]
Amount guaranteed under support agreement	$ 1,000
Parent Company | Support Agreement MetLife Reinsurance Company of Vermont [Member]
Condensed Financial Statements, Captions [Line Items]
Guaranteed adjusted capital levels	200
Parent Company | Support Agreement MetLife Reinsurance Company of Charleston [Member]
Condensed Financial Statements, Captions [Line Items]
Guaranteed adjusted capital levels	200
Parent Company | Support Agreement - Guarantees of Subsidiary Derivative Obligations [Member]
Condensed Financial Statements, Captions [Line Items]
Derivative Assets, Fair Value, Net	$ 27	174
Unsecured derivative liability positions guaranteed by MetLife, Inc.	191	181
Estimated fair value of collateral provided to counterparties by the subsidiaries	183	181
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 8	$ 0

Consolidated Supplementary In_2

Consolidated Supplementary Insurance Information (Balance Sheet Items) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	$ 20,151	$ 19,653	$ 19,806	$ 20,417
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	216,142	205,646
Policyholder account balances	219,269	210,597
Market Risk Benefits (Assets) Liabilities	2,893	3,483
Policyholder Dividends Payable	386	387
Unearned Premiums	2,160	2,415
Unearned Revenue	4,537	4,106	3,625		$ 3,163
Group Benefits
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	258	264
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	17,863	16,971
Policyholder account balances	7,692	8,028
Market Risk Benefits (Assets) Liabilities	0	0
Policyholder Dividends Payable	0	0
Unearned Premiums	446	349
Unearned Revenue	0	0
Retirement and Income Solutions
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	413	286
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	71,223	64,376
Policyholder account balances	82,405	80,066
Market Risk Benefits (Assets) Liabilities	(13)	8
Policyholder Dividends Payable	0	0
Unearned Premiums	7	3
Unearned Revenue	31	36	38		42
Asia
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	11,983	11,560
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	35,683	34,642
Policyholder account balances	92,063	84,165
Market Risk Benefits (Assets) Liabilities	234	284
Policyholder Dividends Payable	75	72
Unearned Premiums	1,532	1,889
Unearned Revenue	2,850	2,382	2,033		1,616
Latin America
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	2,447	2,087
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	14,636	13,426
Policyholder account balances	6,368	5,383
Market Risk Benefits (Assets) Liabilities	0	0
Policyholder Dividends Payable	0	0
Unearned Premiums	2	2
Unearned Revenue	989	848	795		835
EMEA
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	1,731	1,607
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	3,463	3,269
Policyholder account balances	7,578	7,289
Market Risk Benefits (Assets) Liabilities	(53)	(37)
Policyholder Dividends Payable	0	0
Unearned Premiums	18	14
Unearned Revenue	608	559	521		482
MetLife Holdings
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	3,289	3,819
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	72,410	71,914
Policyholder account balances	23,178	25,688
Market Risk Benefits (Assets) Liabilities	2,722	3,225
Policyholder Dividends Payable	311	315
Unearned Premiums	155	158
Unearned Revenue	59	281	$ 238		$ 188
Corporate & Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	30	30
Future Policy Benefits, Other Policy-Related Balances and Policyholder Dividend Obligation	864	1,048
Policyholder account balances	(15)	(22)
Market Risk Benefits (Assets) Liabilities	3	3
Policyholder Dividends Payable	0	0
Unearned Premiums	0	0
Unearned Revenue	$ 0	$ 0

Consolidated Supplementary In_3

Consolidated Supplementary Insurance Information (Income Statement Items) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	$ 49,435	$ 53,735	$ 46,396
Net Investment Income	19,908	15,916	21,395
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	52,405	53,515	48,517
Market Risk Benefit Remeasurement (Gains) Losses	(994)	(3,674)	(1,237)
Amortization of DAC and VOBA Charged to Other Expenses	1,952	1,831	2,037
Other Expenses (1)	11,380	10,734	10,861
Group Benefits
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	22,436	21,906	21,304
Net Investment Income	1,148	1,081	1,102
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	19,329	19,226	19,929
Market Risk Benefit Remeasurement (Gains) Losses	0	0	0
Amortization of DAC and VOBA Charged to Other Expenses	26	26	26
Other Expenses (1)	3,778	3,460	3,158
Retirement and Income Solutions
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	8,561	13,923	5,334
Net Investment Income	7,354	5,899	6,606
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	14,057	18,124	8,928
Market Risk Benefit Remeasurement (Gains) Losses	(29)	(314)	96
Amortization of DAC and VOBA Charged to Other Expenses	49	40	37
Other Expenses (1)	403	380	368
Asia
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	6,883	7,256	8,047
Net Investment Income	4,307	3,571	5,110
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	6,941	6,199	7,386
Market Risk Benefit Remeasurement (Gains) Losses	(43)	(90)	(48)
Amortization of DAC and VOBA Charged to Other Expenses	794	745	786
Other Expenses (1)	1,562	1,601	1,758
Latin America
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	5,685	4,399	3,749
Net Investment Income	1,610	1,318	1,207
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	4,801	4,092	3,475
Market Risk Benefit Remeasurement (Gains) Losses	0	0	0
Amortization of DAC and VOBA Charged to Other Expenses	468	410	372
Other Expenses (1)	1,263	1,032	978
EMEA
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	2,314	2,298	2,803
Net Investment Income	885	(864)	932
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	1,737	30	2,085
Market Risk Benefit Remeasurement (Gains) Losses	(40)	(126)	(120)
Amortization of DAC and VOBA Charged to Other Expenses	348	331	389
Other Expenses (1)	807	778	900
MetLife Holdings
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	3,513	3,968	4,256
Net Investment Income	4,234	4,633	6,093
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	5,517	5,849	6,097
Market Risk Benefit Remeasurement (Gains) Losses	(882)	(3,144)	(1,161)
Amortization of DAC and VOBA Charged to Other Expenses	258	270	320
Other Expenses (1)	1,527	1,632	1,845
Corporate & Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	43	(15)	903
Net Investment Income	370	278	345
Policyholder Benefits and Claims, Policyholder Liability Remeasurement (Gains) Losses and Interest Credited to Policyholder Account Balances	23	(5)	617
Market Risk Benefit Remeasurement (Gains) Losses	0	0	(4)
Amortization of DAC and VOBA Charged to Other Expenses	9	9	107
Other Expenses (1)	$ 2,040	$ 1,851	$ 1,854

Consolidated Reinsurance (Conso

Consolidated Reinsurance (Consolidated Reinsurance) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Direct Premiums, Life Insurance in Force	$ 5,627,777	$ 5,371,318	$ 5,273,869
Ceded Premiums, Life Insurance in Force	473,860	390,521	394,023
Assumed Premiums, Life Insurance in Force	829,720	647,646	662,901
Premiums, Net, Life Insurance in Force	$ 5,983,637	$ 5,628,443	$ 5,542,747
Life Insurance in Force Premiums, Percentage Assumed to Net	13.90%	11.50%	12%
Consolidated Reinsurance
Gross Amount	$ 43,359	$ 47,618	$ 40,377
Ceded	2,188	2,143	2,134
Assumed	3,112	3,035	2,909
Premiums	$ 44,283	$ 48,510	$ 41,152
% Amount Assumed to Net	7%	6.30%	7.10%
Life insurance (1)
Consolidated Reinsurance
Gross Amount	$ 25,653	$ 30,835	$ 22,854
Ceded	1,363	1,422	1,455
Assumed	2,851	2,517	2,346
Premiums	$ 27,141	$ 31,930	$ 23,745
% Amount Assumed to Net	10.50%	7.90%	9.90%
Accident & health insurance
Consolidated Reinsurance
Gross Amount	$ 17,589	$ 16,737	$ 16,613
Ceded	824	715	651
Assumed	261	518	555
Premiums	$ 17,026	$ 16,540	$ 16,517
% Amount Assumed to Net	1.50%	3.10%	3.40%
Property and casualty insurance
Consolidated Reinsurance
Gross Amount	$ 117	$ 46	$ 910
Ceded	1	6	28
Assumed	0	0	8
Premiums	$ 116	$ 40	$ 890
% Amount Assumed to Net	0%	0%	0.90%

Uncategorized Items - met-20231

Label	Element	Value
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	$ 1,513,000,000
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	(3,801,000,000)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	30,720,000,000
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Parent [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	76,000,000
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	(1,863,000,000)
AOCI, Liability for Future Policy Benefit, Parent [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	$ (26,330,000,000)