Everest Re (EG) 10-Q 3 Nov 22 2022 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 01, 2022
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Fiscal Year Focus	2022
Document Transition Report	false
Entity File Number	1-15731
Entity Registrant Name	EVEREST RE GROUP, LTD.
Entity Incorporation State Country Code	D0
Entity Tax Identification Number	98-0365432
Entity Address Address Line 1	Seon Place – 4th Floor
Entity Address Address Line 2	141 Front Street
Entity Address Address Line 3	PO Box HM 845
Entity Address City Or Town	Hamilton
Entity Address Postal Zip Code	HM 19
Entity Address Country	BM
City Area Code	441
Local Phone Number	295-0006
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 Shell Company	false
Security 12b Title	Common Shares, $0.01 par value
Trading Symbol	RE
Security Exchange Name	NYSE
Entity Common Stock Shares Outstanding		39,165,034
Amendment Flag	false
Entity Central Index Key	0001095073
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
ASSETS:
Fixed maturities - available for sale, at fair value (amortized cost: 2022, $23,204; 2021, $22,064, credit allowances: 2022, $(38); 2021, $(30))	$ 21,009	$ 22,308
Fixed maturities - held to maturity, at amortized cost, net of credit allowances (fair value: 2022, $817, credit allowances: 2022, $(9))	837
Equity securities, at fair value	1,301	1,826
Short-term investments (cost: 2022, $611; 2021, $1,178)	611	1,178
Other invested assets	3,079	2,920
Cash	1,679	1,441
Total investments and cash	28,516	29,673
Accrued investment income	200	149
Premiums receivable	3,452	3,294
Reinsurance recoverables	2,240	2,053
Funds held by reinsureds	893	869
Deferred acquisition costs	867	872
Prepaid reinsurance premiums	556	515
Income taxes	544	2
Other assets	876	757
TOTAL ASSETS	38,144	38,185
LIABILITIES:
Reserve for losses and loss adjustment expenses	21,222	19,009
Future policy benefit reserve	34	36
Unearned premium reserve	4,795	4,610
Funds held under reinsurance treaties	18	18
Other net payable to reinsurers	511	450
Losses in course of payment	110	261
Senior notes	2,347	2,346
Long term notes	218	224
Borrowings from FHLB	519	519
Accrued interest on debt and borrowings	39	17
Unsettled securities payable	134	17
Other liabilities	548	540
Total liabilities	30,495	28,046
Commitments and contingencies (Note 7)
SHAREHOLDERS' EQUITY:
Preferred shares, par value: $0.01; 50.0 shares authorized; no shares issued and outstanding
Common shares, par value: $0.01; 200.0 shares authorized; (2022) 69.9 and (2021) 69.8 outstanding before treasury shares	1	1
Additional paid-in capital	2,293	2,274
Accumulated other comprehensive income (loss), net of deferred income tax expense (benefit) of $(269) at 2022 and $27 at 2021	(2,348)	12
Treasury shares, at cost; 30.8 shares (2022) and 30.5 shares (2021)	(3,907)	(3,847)
Retained earnings	11,610	11,700
Total shareholders' equity	7,649	10,139
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 38,144	$ 38,185

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Fixed maturities - available for sale, at market value, amortized cost	$ 23,204	$ 22,064
Fixed maturities - available for sale, at market value, allowance for credit loss	(38)	(30)
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	817
Fixed maturities - held to maturity, at amortized cost, credit allowances	(9)
Short-term investments, at cost	$ 611	$ 1,178
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, authorized	50,000,000	50,000,000
Preferred shares, issued	0	0
Preferred shares, outstanding	0	0
Common shares, par value	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000,000	200,000,000
Common shares, outstanding	69,900,000	69,800,000
Accumulated other comprehensive income (loss), net deferred income tax expense (benefit)	$ (269)	$ 27
Treasury shares	30,800,000	30,500,000

Consolidated Statements Of Oper

Consolidated Statements Of Operations And Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
REVENUES:
Premiums earned	$ 3,067	$ 2,656	$ 8,775	$ 7,603
Net investment income	151	293	620	960
Net gains (losses) on investments:
Credit allowances on fixed maturity securities	(5)	(7)	(18)	(30)
Gains (losses) from fair value adjustments	(136)	(5)	(462)	128
Net realized gains (losses) from dispositions	12	8	(39)	41
Total net gains (losses) on investments	(129)	(4)	(519)	139
Other income (expense)	(16)	(20)	(71)	44
Total revenues	3,073	2,925	8,805	8,746
CLAIMS AND EXPENSES:
Incurred losses and loss adjustment expenses	2,623	2,274	6,289	5,572
Commission, brokerage, taxes and fees	641	564	1,877	1,611
Other underwriting expenses	169	141	500	424
Corporate expenses	16	18	45	46
Interest, fees and bond issue cost amortization expense	25	16	74	47
Total claims and expenses	3,474	3,013	8,785	7,700
INCOME (LOSS) BEFORE TAXES	(401)	(88)	20	1,046
Income tax expense (benefit)	(82)	(14)	(81)	97
NET INCOME (LOSS)	(319)	(73)	101	948
Other comprehensive income (loss), net of tax:
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period	(712)	(100)	(2,260)	(304)
Reclassification adjustment for realized losses (gains) included in net income (loss)	41	(1)	61	(3)
Total URA(D) on securities arising during the period	(671)	(101)	(2,199)	(308)
Foreign currency translation adjustments	(101)	(54)	(163)	(29)
Reclassification adjustment for amortization of net (gain) loss included in net income (loss)	1	2	2	6
Total benefit plan net gain (loss) for the period	1	2	2	6
Total other comprehensive income (loss), net of tax	(771)	(153)	(2,360)	(331)
COMPREHENSIVE INCOME (LOSS)	$ (1,090)	$ (227)	$ (2,259)	$ 617
EARNINGS PER COMMON SHARE:
Per common share net income (loss): Basic	$ (8.22)	$ (1.88)	$ 2.57	$ 23.74
Per common share net income (loss): Diluted	$ (8.22)	$ (1.88)	$ 2.57	$ 23.72

Consolidated Statements Of Chan

Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss), Net of Deferred Income Taxes [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2020			$ 1	$ 2,245	$ 535	$ 10,567	$ (3,622)
Balance, shares at Dec. 31, 2020		40
Issued (redeemed) during the period, net, shares		0
Treasury shares acquired, shares		(1)
Issued during the period, net
Share-based compensation plans				21
Net increase (decrease) during the period	$ (331)				(331)
Net income (loss)	948					948
Dividends declared ($1.65 per share in 3Q 2022 and $4.85 per share YTD in 2022; $1.55 per share in 3Q 2021 and $4.65 per share YTD in 2021)	(186)					(186)
Purchase of treasury shares							(200)
Balance at Sep. 30, 2021	9,979		1	2,266	204	11,330	(3,822)
Balance, shares at Sep. 30, 2021		39
Balance at Jun. 30, 2021			1	2,256	357	11,465	(3,662)
Balance, shares at Jun. 30, 2021		40
Issued (redeemed) during the period, net, shares		0
Treasury shares acquired, shares		(1)
Issued during the period, net
Share-based compensation plans				10
Net increase (decrease) during the period	(153)				(153)
Net income (loss)	(73)					(73)
Dividends declared ($1.65 per share in 3Q 2022 and $4.85 per share YTD in 2022; $1.55 per share in 3Q 2021 and $4.65 per share YTD in 2021)	(61)					(61)
Purchase of treasury shares							(160)
Balance at Sep. 30, 2021	9,979		1	2,266	204	11,330	(3,822)
Balance, shares at Sep. 30, 2021		39
Balance at Dec. 31, 2021	$ 10,139		1	2,274	12	11,700	(3,847)
Balance, shares at Dec. 31, 2021	69,800,000	39
Issued (redeemed) during the period, net, shares		0
Treasury shares acquired, shares		0
Issued during the period, net
Share-based compensation plans				19
Net increase (decrease) during the period	$ (2,360)				(2,360)
Net income (loss)	101					101
Dividends declared ($1.65 per share in 3Q 2022 and $4.85 per share YTD in 2022; $1.55 per share in 3Q 2021 and $4.65 per share YTD in 2021)	(191)					(191)
Purchase of treasury shares							(60)
Balance at Sep. 30, 2022	$ 7,649		1	2,293	(2,348)	11,610	(3,907)
Balance, shares at Sep. 30, 2022	69,900,000	39
Balance at Jun. 30, 2022			1	2,284	(1,577)	11,994	(3,849)
Balance, shares at Jun. 30, 2022		39
Issued (redeemed) during the period, net, shares		0
Treasury shares acquired, shares		0
Issued during the period, net
Share-based compensation plans				9
Net increase (decrease) during the period	$ (771)				(771)
Net income (loss)	(319)					(319)
Dividends declared ($1.65 per share in 3Q 2022 and $4.85 per share YTD in 2022; $1.55 per share in 3Q 2021 and $4.65 per share YTD in 2021)	(65)					(65)
Purchase of treasury shares							(58)
Balance at Sep. 30, 2022	$ 7,649		$ 1	$ 2,293	$ (2,348)	$ 11,610	$ (3,907)
Balance, shares at Sep. 30, 2022	69,900,000	39

Consolidated Statements Of Ch_2

Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Dividends declared	$ 1.65	$ 1.55	$ 4.85	$ 4.65

Consolidated Statements Of Cash

Consolidated Statements Of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 101	$ 948
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease (increase) in premiums receivable	(405)	(737)
Decrease (increase) in funds held by reinsureds, net	(35)	(93)
Decrease (increase) in reinsurance recoverables	(662)	(231)
Decrease (increase) in income taxes	(249)	57
Decrease (increase) in prepaid reinsurance premiums	(194)	(147)
Increase (decrease) in reserve for losses and loss adjustment expenses	3,117	2,560
Increase (decrease) in future policy benefit reserve	(2)	(1)
Increase (decrease) in unearned premiums	435	928
Increase (decrease) in other net payable to reinsurers	242	199
Increase (decrease) in losses in course of payment	(150)	24
Change in equity adjustments in limited partnerships	(126)	(543)
Distribution of limited partnership income	139	106
Change in other assets and liabilities, net	(134)	(230)
Non-cash compensation expense	35	33
Amortization of bond premium (accrual of bond discount)	49	57
Net (gains) losses on investments	519	(139)
Net cash provided by (used in) operating activities	2,680	2,791
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from fixed maturities matured/called/repaid - available for sale	2,171	2,757
Proceeds from fixed maturities matured/called/repaid - held to maturity	18
Proceeds from fixed maturities sold - available for sale	1,177	883
Proceeds from equity securities sold, at fair value	1,030	579
Distributions from other invested assets	244	217
Cost of fixed maturities acquired - available for sale	(5,958)	(5,671)
Cost of fixed maturities acquired - held to maturity	(133)
Cost of equity securities acquired, at fair value	(960)	(508)
Cost of other invested assets acquired	(455)	(604)
Net change in short-term investments	568	423
Net change in unsettled securities transactions	102	(177)
Net cash provided by (used in) investing activities	(2,196)	(2,102)
CASH FLOWS FROM FINANCING ACTIVITIES:
Common shares issued (redeemed) during the period for share-based compensation, net of expense	(16)	(12)
Purchase of treasury shares	(60)	(200)
Dividends paid to shareholders	(191)	(186)
Cost of debt repurchase	(6)
Cost of shares withheld on settlements of share-based compensation awards	(19)	(15)
Net cash provided by (used in) financing activities	(292)	(413)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	46	(9)
Net increase (decrease) in cash	238	267
Cash, beginning of period	1,441	802
Cash, end of period	1,679	1,068
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid (recovered)	167	40
Interest paid	51	33
NON-CASH TRANSACTIONS:
Reclassification of specific investments from fixed maturity securities, available for sale at fair value to fixed maturity securities, held to maturity at amortized cost net of credit allowances	$ 722

General

General	9 Months Ended
	Sep. 30, 2022
General [Abstract]
General	1. Everest and Group and its subsidiaries.

Basis Of Presentation

Basis Of Presentation	9 Months Ended
	Sep. 30, 2022
Basis Of Presentation [Abstract]
Basis Of Presentation	2. The unaudited 2021 and for the three of results statements America (“GAAP”), 2021 disclosures are conjunction with the audited consolidated 31, 2021, 2020 and 2019, included in the Company’s The Company in Company is considered to be the primary beneficiary. as entity. The preparation assumptions liabilities) at the date of the financial reporting period. All intercompany accounts Certain presentation. Application of Recently Issued Accounting The Company did months ended standards well as the September 30, 2022, that are expected to Any Company to be either not applicable or immaterial to

Investments

Investments	9 Months Ended
	Sep. 30, 2022
Investments [Abstract]
Investments	3. The appreciation/(depreciation) and fair At September 30, 2022 Amortized Allowance for Unrealized Unrealized Fair (Dollars in millions) Cost Credit Losses Appreciation Depreciation Value Fixed maturity securities - available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,367 $ - $ 19 $ (79) $ 1,308 Obligations of U.S. states and political subdivisions 519 - 1 (38) 481 Corporate securities 7,010 (29) 69 (653) 6,397 Asset-backed securities 3,935 - 1 (164) 3,772 Mortgage-backed securities Commercial 1,016 - - (108) 908 Agency residential 3,058 - 2 (337) 2,723 Non-agency residential 5 - - - 5 Foreign government securities 1,528 - 13 (205) 1,335 Foreign corporate securities 4,768 (9) 47 (726) 4,080 Total fixed maturity securities - available for sale $ 23,204 $ (38) $ 153 $ (2,310) $ 21,009 (Some amounts may not reconcile due to rounding.) At December 31, 2021 Amortized Allowance for Unrealized Unrealized Fair (Dollars in millions) Cost Credit Losses Appreciation Depreciation Value Fixed maturity securities - available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,407 $ - $ 24 $ (10) $ 1,421 Obligations of U.S. states and political subdivisions 559 - 29 (1) 587 Corporate securities 7,444 (19) 195 (63) 7,557 Asset-backed securities 3,579 (8) 22 (12) 3,582 Mortgage-backed securities Commercial 1,033 - 38 (6) 1,064 Agency residential 2,361 - 33 (19) 2,375 Non-agency residential 7 - - - 7 Foreign government securities 1,424 - 42 (28) 1,438 Foreign corporate securities 4,251 (3) 95 (65) 4,279 Total fixed maturity securities - available for sale $ 22,064 $ (30) $ 478 $ (203) $ 22,308 (Some amounts may not reconcile due to rounding.) The appreciation/(depreciation) and fair At September 30, 2022 Amortized Allowance for Unrealized Unrealized Fair (Dollars in millions) Cost Credit Losses Appreciation Depreciation Value Fixed maturity securities - held to maturity Corporate securities $ 160 $ (2) $ - $ (11) $ 147 Asset-backed securities 653 (6) 1 (10) 639 Mortgage-backed securities Commercial 6 - - - 6 Foreign corporate securities 28 (1) - (1) 26 Total fixed maturity securities - held to maturity $ 846 (9) $ 1 $ (21) $ 817 (Some amounts may not reconcile due to rounding.) The amortized by maturity securities. As the stated for mortgage-backed and At September 30, 2022 At December 31, 2021 Amortized Fair Amortized Fair (Dollars in millions) Cost Value Cost Value Fixed maturity securities – available for sale: $ 1,257 $ 1,258 $ 1,399 $ 1,398 7,875 7,216 7,075 7,154 4,603 3,938 5,004 5,101 1,456 1,189 1,606 1,627 Asset-backed securities 3,935 3,772 3,579 3,582 Mortgage-backed securities: Commercial 1,016 908 1,033 1,064 Agency residential 3,058 2,723 2,361 2,375 Non-agency residential 5 5 7 7 Total fixed maturity securities - available for sale $ 23,204 $ 21,009 $ 22,064 $ 22,308 (Some amounts may not reconcile due to rounding.) The amortized by contractual maturity. At September 30, 2022 Amortized Fair (Dollars in millions) Cost Value Fixed maturity securities – held to maturity: $ 61 $ 58 46 41 80 74 Asset-backed securities 653 639 Mortgage-backed securities: Commercial 6 6 Total fixed $ 846 $ 817 (Some amounts may not reconcile due During the fixed maturity – available securities 722 losses, securities had an unrealized 53 the securities over the remaining life of the securities. The Company evaluated as of maturity, rates, develop an estimate a high credit quality and are all rated The changes following sources for the periods Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Increase (decrease) during the period between the fair value and cost of investments carried at fair value, and deferred taxes thereon: Fixed maturity securities and short-term investments $ (724) $ (109) $ (2,484) $ (344) Change in unrealized appreciation (depreciation), pre-tax (724) (109) (2,484) (344) Deferred tax benefit (expense) 53 7 285 36 Change in unrealized appreciation (depreciation), net of deferred taxes, included in shareholders’ equity $ (671) $ (101) $ (2,199) $ (308) (Some amounts may not reconcile due to rounding.) The tables available for that individual securities had been in a continuous unrealized Duration of Unrealized Loss at September Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities - available for U.S. Treasury securities and U.S. government agencies and corporations $ 807 $ (47) $ 273 $ (32) $ 1,080 $ (79) Obligations of U.S. states and 326 (30) 25 (8) 351 (38) Corporate securities 4,247 (447) 996 (189) 5,243 (636) Asset-backed securities 2,827 (158) 55 (5) 2,882 (164) Mortgage-backed securities Commercial 877 (104) 27 (4) 904 (108) Agency residential 2,086 (222) 588 (115) 2,674 (337) Non-agency residential 3 - 2 - 5 - Foreign government securities 971 (137) 250 (68) 1,221 (205) Foreign corporate securities 2,792 (496) 808 (229) 3,600 (726) Total $ 14,937 $ (1,640) $ 3,023 $ (651) $ 17,960 $ (2,291) Securities where an allowance for credit 23 (19) - - 23 (19) Total fixed $ 14,960 $ (1,659) $ 3,023 $ (651) $ 17,983 $ (2,310) (Some amounts may not reconcile due to rounding.) Duration of Unrealized Loss at September Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities Due in one year or less $ 895 $ (21) $ 59 $ (6) $ 954 $ (27) Due in one year through five years 4,908 (502) 1,264 (204) 6,173 (706) Due in five years through ten years 2,517 (459) 812 (239) 3,329 (697) Due after ten years 823 (174) 217 (77) 1,040 (252) Asset-backed securities 2,827 (158) 55 (5) 2,882 (164) Mortgage-backed securities 2,967 (325) 616 (120) 3,583 (445) Total $ 14,937 $ (1,640) $ 3,023 $ (651) $ 17,960 $ (2,291) Securities where an allowance for credit 23 (19) - - 23 (19) Total fixed $ 14,960 $ (1,659) $ 3,023 $ (651) $ 17,983 $ (2,310) (Some amounts may not reconcile due to rounding.) The aggregate unrealized loss position 18.0 2.3 securities for the loss 5.2 % maturity unrealized 0.9 % securities available of 1.7 securities available comprised securities, 1.5 were related The $ 651 position residential 616 million were agency. investments coverage securities in interest terms of these securities do not permit these securities to be settled The these securities; and it is more of principal and interest payments. The tables available for that amounts 16 0.4 ) depreciation Company has recorded an allowance Duration of Unrealized Loss at December Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities - available for U.S. Treasury securities and U.S. government agencies and corporations $ 504 $ (6) $ 92 $ (4) $ 596 $ (10) Obligations of U.S. states and 51 (1) 3 - 54 (1) Corporate securities 2,133 (38) 473 (24) 2,605 (63) Asset-backed securities 1,954 (11) 42 (1) 1,996 (12) Mortgage-backed securities Commercial 222 (3) 40 (3) 262 (6) Agency residential 1,101 (12) 280 (7) 1,381 (19) Non-agency residential 2 - - - 2 - Foreign government securities 392 (10) 101 (18) 493 (28) Foreign corporate securities 1,735 (46) 211 (18) 1,945 (65) Total fixed $ 8,094 $ (128) $ 1,241 $ (75) $ 9,335 $ (203) (Some amounts may not reconcile due to rounding.) Duration of Unrealized Loss at December Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities - available for Due in one year or less $ 130 $ (2) $ 137 $ (12) $ 267 $ (14) Due in one year through five years 2,165 (35) 446 (29) 2,612 (64) Due in five years through ten years 1,728 (47) 244 (22) 1,972 (69) Due after ten years 792 (16) 51 (3) 843 (19) Asset-backed securities 1,954 (11) 42 (1) 1,996 (12) Mortgage-backed securities 1,325 (15) 320 (10) 1,646 (25) Total fixed $ 8,094 $ (128) $ 1,241 $ (75) $ 9,335 $ (203) (Some amounts may not reconcile due to rounding.) The December 31, 9.3 203 issuer December 2.7 % available for sale. less 0.5 % above 128 million of unrealized loss agency these unrealized 116 nationally 75 available for corporate securities, unrealized 72 nationally recognized full book value excess credit coverage The components of net investment Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Fixed maturities $ 186 $ 134 $ 503 $ 423 Equity securities 6 4 15 12 Short-term investments and cash 5 - 12 1 Other invested assets: Limited partnerships (42) 139 94 493 Other 11 31 37 63 Gross investment income before adjustments 167 308 661 992 Funds held interest income (expense) - 1 4 12 Future policy benefit reserve income (expense) - - - (1) Gross investment income 167 309 665 1,004 Investment expenses (15) (16) (45) (44) Net investment income $ 151 $ 293 $ 620 $ 960 (Some amounts may not reconcile due to rounding.) The changes partnerships is dependent partnership. generally decline in value Company identifies the decline. The Company had 2.5 private accordance extended, through 2026 . The Company the invests participation in within the Company’s balance sheets 368 Variable Interest The primarily entity that as simple provided whether the Company has Company that most to assessment, Consolidated no t hold any securities for which it is the primary The partnerships it is not the performance December 31, 2021 3.1 2.9 included in Company's commitments 2.2 called partnership an active role in management. In Company collateralized loan maturity. than its due securities issued by the losses impact the economic performance is limited to the amount of the Company’s The components of net gains (losses) on investments Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Fixed maturity securities: Allowance for credit losses $ (5) $ (7) $ (18) $ (30) Net realized gains (losses) from dispositions (53) 6 (66) 25 Equity securities, fair value: Net realized gains (losses) from dispositions 58 - 15 10 Gains (losses) from fair value adjustments (136) (5) (462) 128 Other invested assets 6 2 11 6 Short-term investments gain (loss) 1 - 1 - Total net gains (losses) on investments $ (129) $ (4) $ (519) $ 139 (Some amounts may not reconcile due to rounding.) Roll Forward of Allowance for Credit Losses – Fixed maturities Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 Foreign Foreign Corporate Asset-Backed Corporate Corporate Asset-Backed Corporate Securities Securities Securities Total Securities Securities Securities Total (Dollars in millions) Beginning Balance $ (26) $ - $ (17) $ (43) $ (19) $ (8) $ (3) $ (30) Credit losses on securities where credit losses were not previously recorded (2) (6) (1) (9) (9) (6) (17) (32) Increases in allowance on previously impaired securities (3) - - (3) (4) - (1) (4) Decreases in allowance on previously impaired securities - - - - - - - - Reduction in allowance due to disposals - - 8 8 1 8 10 19 Balance as of September 30, 2022 $ (31) $ (6) $ (10) $ (47) $ (31) $ (6) $ (10) $ (47) (Some amounts may not reconcile due to rounding.) Roll Forward of Allowance for Credit Losses – Fixed maturities Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 Foreign Foreign Corporate Asset-Backed Corporate Corporate Asset-Backed Corporate Securities Securities Securities Total Securities Securities Securities Total (Dollars in millions) Beginning Balance $ (18) $ (5) $ (1) $ (25) $ (1) $ - $ (1) $ (2) Credit losses on securities where credit losses were not previously recorded (5) - - (5) (21) (5) (1) (27) Increases in allowance on previously impaired securities - (3) - (3) (2) (3) - (5) Decreases in allowance on previously impaired securities - - - - - - - - Reduction in allowance due to disposals 1 - - 1 2 - - 2 Balance as of September 30, 2021 $ (23) (8) $ (1) $ (32) $ (23) $ (8) $ (1) $ (32) (Some amounts may not reconcile due to rounding.) The proceeds are presented in the table below Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Proceeds from sales of fixed maturity securities $ 405 $ 283 $ 1,177 $ 883 Gross gains from dispositions 5 17 33 52 Gross losses from dispositions (58) (11) (98) (26) Proceeds from sales of equity securities $ 592 $ 104 $ 1,030 $ 579 Gross gains from dispositions 59 3 67 21 Gross losses from dispositions (3) (3) (53) (11)

Reserve For Losses, LAE And Fut

Reserve For Losses, LAE And Future Policy Benefit Reserve	9 Months Ended
	Sep. 30, 2022
Reserve For Losses, LAE And Future Policy Benefit Reserve [Abstract]
Reserve For Losses, LAE And Future Policy Benefit Reserve	4. Activity in the reserve for losses and LAE is summarized Nine Months Ended September 30, (Dollars in millions) 2022 2021 Gross reserves beginning of period $ 19,009 $ 16,322 (1,946) (1,844) 17,063 14,478 Incurred related to: 6,291 5,578 (2) (6) 6,289 5,572 Paid related to: 1,794 1,376 1,841 1,803 3,635 3,179 Foreign exchange/translation adjustment (605) (41) Net reserves end of period 19,112 16,831 2,110 2,033 $ 21,222 $ 18,864 (Some amounts may not reconcile due Current 6.3 5.6 and reflecting an 45 million of 30 catastrophe losses The war in Russia, located United States. have recorded 45 ended September 30, 2022.

Fair Value

Fair Value	9 Months Ended
	Sep. 30, 2022
Fair Value [Abstract]
Fair Value	5. GAAP guidance they are common received measurement measurements. liability. lowest being the lowest priority. The levels in the hierarchy Level 1: identical assets or liabilities in an active market; Level 2: markets, substantially the full term of the financial instrument; Level 3: The managers. recognized process. when fixed processes addition, interest rate scenarios The investment the reasonableness Company initial party securities price validation may use At September 1.6 of values were to 2.1 were fair valued using unobservable The December 31, 2021 of $ 1.2 1.3 began available for sale, 2.4 2.0 2021, recognized pricing vendors. Equity categorized exchanges are fair value. Fixed maturity have interest rate yield For pricing services rates from nationally recognized In categorized are comparable may obtain market providing the quotes. managers converted to U.S. dollars The composition follows: • U.S. comprised prices, reported trades, quoted • the similar securities, benchmark yields and credit spreads; • Corporate securities values securities, benchmark yields and credit spreads; • Asset-backed prices, reported observable inputs such as prepayment speeds, • Foreign values securities and applicable, converted to U.S. • Foreign corporate are and models with observable inputs converted to U.S. dollars The following has recorded at fair value Fair Value Measurement Using: Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in millions) September 30, 2022 (Level 1) (Level 2) (Level 3) Assets: Fixed maturities, available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,308 $ - $ 1,308 $ - Obligations of U.S. States and political subdivisions 481 - 481 - Corporate securities 6,397 - 5,678 719 Asset-backed securities 3,772 - 2,880 893 Mortgage-backed securities Commercial 908 - 908 - Agency residential 2,723 - 2,723 - Non-agency residential 5 - 5 - Foreign government securities 1,335 - 1,335 - Foreign corporate securities 4,080 - 4,064 16 Total fixed maturities, available for sale 21,009 - 19,381 1,628 Equity securities, fair value 1,301 1,212 89 - (Some amounts may not reconcile due to rounding.) Fair Value Measurement Using: Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in millions) December 31, 2021 (Level 1) (Level 2) (Level 3) Assets: Fixed maturities, available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,421 $ - $ 1,421 $ - Obligations of U.S. States and political subdivisions 587 - 587 - Corporate securities 7,557 - 6,756 801 Asset-backed securities 3,582 - 2,330 1,251 Mortgage-backed securities Commercial 1,064 - 1,064 - Agency residential 2,375 - 2,375 - Non-agency residential 7 - 7 - Foreign government securities 1,438 - 1,438 - Foreign corporate securities 4,279 - 4,262 16 Total fixed maturities, available for sale 22,308 - 20,240 2,068 Equity securities, fair value 1,826 1,742 84 - (Some amounts may not reconcile due to rounding.) In 309 287 balance sheets value hierarchy tables The following inputs for fixed maturities available Total Fixed Maturities, Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 Corporate Asset-Backed Foreign Corporate Asset-Backed Foreign (Dollars in millions) Securities Securities CMBS Corporate Total Securities Securities CMBS Corporate Total Beginning balance fixed maturities $ 863 $ 1,255 $ 6 $ 40 $ 2,164 $ 801 $ 1,251 $ - $ 16 $ 2,068 Total gains or (losses) (realized/unrealized) Included in earnings (2) - - - (2) 9 - - - 9 Included in other comprehensive income (loss) (6) 65 - - 59 (13) (11) - (4) (28) Purchases, issuances and settlements 27 159 - - 186 (43) 387 6 8 358 Transfers in/(out) of Level securities in/(out) of investment categories (163) (587) (6) (24) (779) (35) (735) (6) (4) (779) Ending balance $ 719 $ 893 $ - $ 16 $ 1628 $ 719 $ 893 $ - $ 16 $ 1628 The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held $ (3) $ - $ - $ - $ (3) $ (8) $ 8 $ - $ - $ - (Some amounts may not reconcile due to rounding.) Total Fixed Maturities, Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 Corporate Asset-Backed Foreign Corporate Asset-Backed Foreign (Dollars in millions) Securities Securities Corporate Total Securities Securities Corporate Total Beginning balance fixed maturities $ 706 $ 815 $ 5 $ 1,526 $ 701 $ 623 $ 6 $ 1,330 Total gains or (losses) (realized/unrealized) Included in earnings 3 (3) - - (12) (7) - (19) Included in other comprehensive income (loss) (1) - - (2) 6 4 - 10 Purchases, issuances and settlements 87 192 - 279 99 384 (1) 482 Transfers in/(out) of Level securities in/(out) of investment categories - - - - - - - - Ending balance $ 794 $ 1,004 $ 5 $ 1,803 $ 794 $ 1,004 $ 5 $ 1,803 The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held $ 1 $ (3) $ - $ (2) $ (16) $ (8) $ - $ (24) (Some amounts may not reconcile due to rounding.) The $ 779 categories Level maturities carried at sale”, securities. maturity securities available for significant September 30, 2022.

Earnings Per Common Share

Earnings Per Common Share	9 Months Ended
	Sep. 30, 2022
Earnings Per Common Share [Abstract]
Earnings Per Common Share	6. Basic shares outstanding. under various would participate in the earnings of the entity. Net income basic and dilutive shares outstanding. Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions, except per share amounts) 2022 2021 2022 2021 Net income (loss) per share: Numerator Net income (loss) $ (319) $ (73) $ 101 $ 948 Less: (65) (61) (191) (186) Undistributed earnings (384) (135) (90) 763 Percentage allocated to common shareholders (1) 100.0 % 100.0 % 98.7 % 98.7 % (384) (135) (88) 752 Add: 65 61 188 183 Numerator for basic and diluted earnings per common share $ (319) $ (73) $ 100 $ 936 Denominator Denominator for basic earnings per weighted-average common shares 38.8 39.2 38.8 39.4 Effect of dilutive securities: Options - - - - Denominator for diluted earnings per adjusted weighted-average common shares 38.8 39.2 38.8 39.5 Per common share net income (loss) Basic $ (8.22) $ (1.88) $ 2.57 $ 23.74 Diluted $ (8.22) $ (1.88) $ 2.57 $ 23.72 (1) Basic weighted-average common shares outstanding 38.8 39.2 38.8 39.4 Basic weighted-average common shares outstanding and unvested common shares expected to vest 38.8 39.2 39.4 39.9 Percentage allocated to common shareholders 100.0 % 100.0 % 98.7 % 98.7 % (Some amounts may not reconcile due to rounding.) There no 2022 and the numerator for basic and diluted Options granted under share-based September 19, 2022 .

Commitments And Contingencies

Commitments And Contingencies	9 Months Ended
	Sep. 30, 2022
Commitments And Contingencies [Abstract]
Commitments And Contingencies	7. In informal obligations rights under an agreement or to others resolved through all such matters, considers expenses (“LAE”). Aside not a party to any other material litigation

Other Comprehensive Income (Los

Other Comprehensive Income (Loss)	9 Months Ended
	Sep. 30, 2022
Other Comprehensive Income (Loss) [Abstract]
Other Comprehensive Income (Loss)	8. The following operations for the periods indicated: Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 (Dollars in millions) Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized appreciation (depreciation) credit related $ (776) $ 64 $ (712) $ (2,557) $ 297 $ (2,260) Reclassification of net realized (loss) 51 (10) 41 73 (12) 61 Foreign currency translation adjustments (109) 8 (101) (174) 11 (163) Reclassification of benefit plan liability amortization income (loss) 2 (1) 1 3 (1) 2 Total other comprehensive $ (832) $ 61 $ (771) $ (2,655) $ 295 $ (2,360) Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 (Dollars in millions) Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized appreciation (depreciation) credit related $ (108) $ 8 $ (100) $ (343) $ 39 $ (304) Reclassification of net realized (loss) (1) (1) (1) (1) (2) (3) Foreign currency translation adjustments (59) 5 (54) (30) 1 (29) Reclassification of benefit plan liability amortization income (loss) 2 - 2 7 (2) 6 Total other comprehensive $ (166) $ 12 $ (153) $ (367) $ 36 $ (331) The following table presents details Three Months Ended Nine Months Ended September 30, September 30, Affected line item within the statements of AOCI component 2022 2021 2022 2021 operations and comprehensive income (loss) (Dollars in millions) URA(D) on securities $ 51 $ (1) $ 73 $ (1) Other net realized capital gains (losses) (10) (1) (12) (2) Income tax expense (benefit) $ 41 $ (1) $ 61 $ (3) Net income (loss) Benefit plan net gain (loss) $ 2 $ 2 $ 3 $ 7 Other underwriting expenses (1) - (1) (2) Income tax expense (benefit) $ 1 $ 2 $ 2 $ 6 Net income (loss) The following the consolidated balance sheets for the periods Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Beginning balance of URA (D) on securities $ (1,288) $ 518 $ 239 $ 724 Current period change in URA (D) of investments - non-credit related (671) (101) (2,199) (308) Ending balance of URA (D) on securities (1,959) 416 (1,959) 416 Beginning balance of foreign currency translation adjustments (240) (91) (177) (115) Current period change in foreign currency translation adjustments (101) (54) (163) (29) Ending balance of foreign currency translation adjustments (341) (144) (341) (144) Beginning balance of benefit plan net gain (loss) (49) (70) (50) (74) Current period change in benefit plan net gain (loss) 1 2 2 6 Ending balance of benefit plan net gain (loss) (48) (68) (48) (68) Ending balance of accumulated other comprehensive income (loss) $ (2,348) $ 204 $ (2,348) $ 204 (Some amounts may not reconcile due to rounding.)

Credit Facilities

Credit Facilities	9 Months Ended
	Sep. 30, 2022
Credit Facilities [Abstract]
Credit Facilities	9. The 1.2 September 340 million which may There is no guarantee the uncommitted The terms and outstanding amounts for Bermuda Re Wells Fargo Effective February to as Facility 50 2021, the agreement was amended to provide 500 The following table summarizes the (Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Wells Fargo Bank Bilateral LOC Agreement $ 500 $ 387 12/30/2022 $ 500 $ 351 12/30/2022 47 12/29/2023 - Total Wells Fargo $ 500 $ 435 $ 500 $ 351 (Some amounts may not reconcile due to rounding.) Bermuda Re Citibank Letter of Credit Facility Effective superseded 2020. current Bermuda 230 of 140 million, Citibank N.A. The following table summarizes the (Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bermuda Re Citibank LOC Facility- $ 230 $ 201 12/31/2022 $ 230 $ 4 2/28/2022 1 1/21/2023 1 3/1/2022 4 2/28/2023 1 11/24/2022 1 3/1/2023 – 12/16/2022 3 9/23/2023 217 12/31/2022 – 12/20/2023 1 8/15/2023 6 12/31/2023 1 9/23/2023 Bermuda Re Citibank LOC Facility - Uncommitted 140 84 12/31/2022 140 84 12/31/2022 20 9/30/2026 23 12/30/2025 Total Citibank Bilateral Agreement $ 370 $ 322 $ 370 $ 333 (Some amounts may not reconcile due to rounding.) Bermuda Re Bayerische Landesbank Effective Landesbank, Bermuda 200 million of secured letters of credit. The following table summarizes the (Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bayerische Landesbank Bilateral LOC Agreement $ 200 $ 153 12/31/2022 $ 200 $ 155 12/31/2022 Total Bayerische Landesbank Bilateral LOC Agreement $ 200 $ 153 $ 200 $ 155 Bermuda Re Lloyd’s Effective October Markets Lloyd’s 50 and subject to credit approval a maximum 250 The following table summarizes the (Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bermuda Re Lloyd's Bank Credit Facility-Committed $ 50 $ 46 12/31/2022 $ 50 $ 46 12/31/2022 Bermuda Re Lloyd's Bank Credit Facility-Uncommitted 200 85 12/31/2022 - - Total Bermuda Re Lloyd's Bank Credit Facility $ 250 $ 131 $ 50 $ 46 Bermuda Re Barclays Bank Credit Effective an agreement provides for the committed issuance 200 The following table summarizes the (Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bermuda Re Barclays Bilateral Letter of Credit Facility $ 200 $ 172 12/31/2022 $ 200 $ 186 12/31/2022 Total Bermuda Re Barclays Bilateral $ 200 $ 172 $ 200 $ 186 Federal Home Loan Bank Membership Everest (“FHLBNY”), which allows 10 % of its 2022, Everest 22.0 approximately 2.2 519 with 0.53 % 0.65 %. 0.8 0.3 September 2.3 0.8 million agreement requires that 4.5 % of borrowed funds be used to acquire additional

Collateralized Reinsurance And

Collateralized Reinsurance And Trust Agreements	9 Months Ended
	Sep. 30, 2022
Collateralized Reinsurance And Trust Agreements [Abstract]
Collateralized Reinsurance And Trust Agreements	10. Certain investments September 30, 2.2 107 of restricted cash. The Company Logan Re is 100 % of the voting Group. by risk/peril and across different The segregated accounts and Three Months Ended Nine Months Ended September 30, September 30, Mt. Logan Re Segregated Accounts 2022 2021 2022 2021 (Dollars in millions) Ceded written premiums $ 68 $ 115 $ 150 $ 270 Ceded earned premiums 57 100 149 250 Ceded losses and LAE 99 170 161 282 Assumed written premiums 2 4 3 9 Assumed earned premiums 2 4 3 9 Assumed losses and LAE - - - - Effective Logan 269 accident years 2002 2015 . of 252 agreement of 319 Effective account. The (“Kilimanjaro”), reinsurance earthquake events. (Dollars in millions) Class Description Effective Date Expiration Date Limit Coverage Basis Series 2018-1 Class A-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/30/2018 5/5/2023 $ 63 Aggregate Series 2018-1 Class B-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/30/2018 5/5/2023 200 Aggregate Series 2019-1 Class A-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2023 150 Occurrence Series 2019-1 Class B-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2023 275 Aggregate Series 2019-1 Class A-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2024 150 Occurrence Series 2019-1 Class B-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2024 275 Aggregate Series 2021-1 Class A-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/21/2025 150 Occurrence Series 2021-1 Class B-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/21/2025 85 Aggregate Series 2021-1 Class C-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/21/2025 85 Aggregate Series 2021-1 Class A-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/20/2026 150 Occurrence Series 2021-1 Class B-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/20/2026 90 Aggregate Series 2021-1 Class C-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/20/2026 90 Aggregate Series 2022-1 Class A US, Canada, Puerto Rico – Named Storm and Earthquake Events 6/22/2022 6/22/2025 300 Aggregate Total available limit as of September 30, 2022 $ 2,063 Recoveries estimated The recognized catastrophe event retentions or aggregate Kilimanjaro to reinsurance trusts government money market (Dollars in millions) Note Series Issue Date Maturity Date Amount Series 2018-1 Class A-2 4/30/2018 5/5/2023 $ 63 Series 2018-1 Class B-2 4/30/2018 5/5/2023 200 Series 2019-1 Class A-1 12/12/2019 12/19/2023 150 Series 2019-1 Class B-1 12/12/2019 12/19/2023 275 Series 2019-1 Class A-2 12/12/2019 12/19/2024 150 Series 2019-1 Class B-2 12/12/2019 12/19/2024 275 Series 2021-1 Class A-1 4/8/2021 4/21/2025 150 Series 2021-1 Class B-1 4/8/2021 4/21/2025 85 Series 2021-1 Class C-1 4/8/2021 4/21/2025 85 Series 2021-1 Class A-2 4/8/2021 4/20/2026 150 Series 2021-1 Class B-2 4/8/2021 4/20/2026 90 Series 2021-1 Class C-2 4/8/2021 4/20/2026 90 Series 2022-1 Class A 6/22/2022 6/22/2025 300 $ 2,063

Senior Notes

Senior Notes	9 Months Ended
	Sep. 30, 2022
Senior Notes [Abstract]
Senior Notes	11. The based on the fair value hierarchy. September 30, 2022 December 31, 2021 Principal Consolidated Balance Consolidated Balance (Dollars in millions) Date Issued Date Due Amounts Sheet Amount Fair Value Sheet Amount Fair Value 4.868 % Senior notes 6/5/2014 6/1/2044 $ 400 $ 397 $ 339 $ 397 $ 504 3.5 % Senior notes 10/7/2020 10/15/2050 1,000 980 669 980 1,055 3.125 % Senior notes 10/4/2021 10/15/2052 1,000 969 627 969 983 $ 2,400 $ 2,347 $ 1,635 $ 2,346 $ 2,542 Interest expense incurred in Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Interest expense incurred 4.868 % Senior notes $ 5 $ 5 $ 15 $ 15 Interest expense incurred 3.5 % Senior notes 9 9 26 26 Interest expense incurred 3.125 % Senior notes 8 - 24 - $ 22 $ 14 $ 65 $ 41

Long Term Subordinated Notes

Long Term Subordinated Notes	9 Months Ended
	Sep. 30, 2022
Long Term Subordinated Notes [Abstract]
Long Term Subordinated Notes	12. The table below based Level 2 in the fair value hierarchy. Maturity Date September 30, 2022 December 31, 2021 Original Consolidated Balance Fair Consolidated Balance Fair (Dollars in millions) Date Issued Principal Amount Scheduled Final Sheet Amount Value Sheet Amount Value Long term subordinated notes 4/26/2007 $ 400 5/15/2037 5/1/2067 $ 218 $ 179 $ 224 $ 216 During the fixed May 3, 2007 May 14, 2017 , interest 6.6 %, payable semi-annually in arrears November 15, 2007 . 3 238.5 August 15 one for up ten quarterly for November 14, 2022 is 5.29 %. Holdings may redeem 100 % of the principal amount date and May 1, 2047 certain subordinated 4.868 % senior notes, June 1, 2044 , 3.5 % senior noted October 15, 2050 3.125 % senior notes due October 15, 2052 subordinated notes. In 161 through the initiation Company 13 quarter 6 notes. The Company realized 1 Interest indicated: Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Interest expense incurred $ 3 $ 1 $ 6 $ 4

Segment Reporting

Segment Reporting	9 Months Ended
	Sep. 30, 2022
Segment Reporting [Abstract]
Segment Reporting	13. The Reinsurance on both Business is the United and Singapore and a branch in the Netherlands. These segments are management, Management upon their underwriting results. Underwriting commission and brokerage results using respectively, earned. The Company does not data. The following tables present the underwriting Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 (Dollars in millions) Reinsurance Insurance Total Reinsurance Insurance Total Gross written premiums $ 2,551 $ 1,129 $ 3,680 $ 6,938 $ 3,376 $ 10,313 Net written premiums 2,460 862 3,323 6,664 2,492 9,156 Premiums earned $ 2,245 $ 822 $ 3,067 $ 6,451 $ 2,324 $ 8,775 Incurred losses and LAE 1,992 631 2,623 4,699 1,591 6,289 Commission and brokerage 537 104 641 1,582 295 1,877 Other underwriting expenses 54 115 169 156 344 500 Underwriting gain (loss) $ (338) $ (29) $ (367) $ 14 $ 95 $ 109 Net investment income 151 620 Net gains (losses) on investments (129) (519) Corporate expenses (16) (45) Interest, fee and bond issue cost amortization expense (25) (74) Other income (expense) (16) (71) Income (loss) before taxes $ (401) $ 20 (Some amounts may not reconcile due to rounding.) Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 (Dollars in millions) Reinsurance Insurance Total Reinsurance Insurance Total Gross written premiums $ 2,488 $ 1,009 $ 3,498 $ 6,696 $ 2,924 $ 9,619 Net written premiums 2,293 733 3,026 6,266 2,123 8,389 Premiums earned $ 1,976 $ 680 $ 2,656 $ 5,675 $ 1,928 $ 7,603 Incurred losses and LAE 1,766 508 2,274 4,206 1,366 5,572 Commission and brokerage 471 93 564 1,353 258 1,611 Other underwriting expenses 45 96 141 144 280 424 Underwriting gain (loss) $ (306) $ (17) $ (323) $ (29) $ 24 $ (5) Net investment income 293 960 Net gains (losses) on investments (4) 139 Corporate expenses (18) (46) Interest, fee and bond issue cost amortization expense (16) (47) Other income (expense) (20) 44 Income (loss) before taxes $ (88) $ 1,046 (Some amounts may not reconcile due to rounding.) The assets the Company’s other than the U.S., in which the Company writes business, Three Months Ended Nine Months Ended September 30, September 30, (Dollars in thousands) 2022 2021 2022 2021 United Kingdom gross written premium $ 312 $ 282 $ 936 $ 897

Share-Based Compensation Plans

Share-Based Compensation Plans	9 Months Ended
	Sep. 30, 2022
Share-Based Compensation Plans [Abstract]
Share-Based Compensation Plans	14. For 4,070 September 8, 2022 with a fair value For 203,208 187,760 , 9,048 , 2,330 4,070 May 301.54 287.94 share and $ 283.72 18,340 February 23, 2022, with a fair value of $ 301.54

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2022
Income Taxes [Abstract]
Income Taxes	15. The Netherlands, domiciled Bermudian domiciles. The Company generally tax the determine quarter represents period less such of all known events rate.

Subsequent Events

Subsequent Events	9 Months Ended
	Sep. 30, 2022
Subsequent Events [Abstract]
Subsequent Events	16. The Company have any subsequent

Investments (Tables)

Investments (Tables)	9 Months Ended
	Sep. 30, 2022
Investments [Abstract]
Summary Of Amortized Cost, Allowance For Credit Losses, Gross Unrealized Appreciation/(Depreciation) And Fair Value Of Fixed Maturity Securities	At September 30, 2022 Amortized Allowance for Unrealized Unrealized Fair (Dollars in millions) Cost Credit Losses Appreciation Depreciation Value Fixed maturity securities - available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,367 $ - $ 19 $ (79) $ 1,308 Obligations of U.S. states and political subdivisions 519 - 1 (38) 481 Corporate securities 7,010 (29) 69 (653) 6,397 Asset-backed securities 3,935 - 1 (164) 3,772 Mortgage-backed securities Commercial 1,016 - - (108) 908 Agency residential 3,058 - 2 (337) 2,723 Non-agency residential 5 - - - 5 Foreign government securities 1,528 - 13 (205) 1,335 Foreign corporate securities 4,768 (9) 47 (726) 4,080 Total fixed maturity securities - available for sale $ 23,204 $ (38) $ 153 $ (2,310) $ 21,009 (Some amounts may not reconcile due to rounding.) At December 31, 2021 Amortized Allowance for Unrealized Unrealized Fair (Dollars in millions) Cost Credit Losses Appreciation Depreciation Value Fixed maturity securities - available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,407 $ - $ 24 $ (10) $ 1,421 Obligations of U.S. states and political subdivisions 559 - 29 (1) 587 Corporate securities 7,444 (19) 195 (63) 7,557 Asset-backed securities 3,579 (8) 22 (12) 3,582 Mortgage-backed securities Commercial 1,033 - 38 (6) 1,064 Agency residential 2,361 - 33 (19) 2,375 Non-agency residential 7 - - - 7 Foreign government securities 1,424 - 42 (28) 1,438 Foreign corporate securities 4,251 (3) 95 (65) 4,279 Total fixed maturity securities - available for sale $ 22,064 $ (30) $ 478 $ (203) $ 22,308 (Some amounts may not reconcile due to rounding.) At September 30, 2022 Amortized Allowance for Unrealized Unrealized Fair (Dollars in millions) Cost Credit Losses Appreciation Depreciation Value Fixed maturity securities - held to maturity Corporate securities $ 160 $ (2) $ - $ (11) $ 147 Asset-backed securities 653 (6) 1 (10) 639 Mortgage-backed securities Commercial 6 - - - 6 Foreign corporate securities 28 (1) - (1) 26 Total fixed maturity securities - held to maturity $ 846 (9) $ 1 $ (21) $ 817 (Some amounts may not reconcile due to rounding.)
Summary Of Amortized Cost And Fair Value Of Fixed Maturity Securities, By Contractual Maturity	At September 30, 2022 At December 31, 2021 Amortized Fair Amortized Fair (Dollars in millions) Cost Value Cost Value Fixed maturity securities – available for sale: $ 1,257 $ 1,258 $ 1,399 $ 1,398 7,875 7,216 7,075 7,154 4,603 3,938 5,004 5,101 1,456 1,189 1,606 1,627 Asset-backed securities 3,935 3,772 3,579 3,582 Mortgage-backed securities: Commercial 1,016 908 1,033 1,064 Agency residential 3,058 2,723 2,361 2,375 Non-agency residential 5 5 7 7 Total fixed maturity securities - available for sale $ 23,204 $ 21,009 $ 22,064 $ 22,308 (Some amounts may not reconcile due to rounding.) At September 30, 2022 Amortized Fair (Dollars in millions) Cost Value Fixed maturity securities – held to maturity: $ 61 $ 58 46 41 80 74 Asset-backed securities 653 639 Mortgage-backed securities: Commercial 6 6 Total fixed $ 846 $ 817 (Some amounts may not reconcile due
Summary Of Changes In Net Unrealized Appreciation (Depreciation) For The Company's Investments	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Increase (decrease) during the period between the fair value and cost of investments carried at fair value, and deferred taxes thereon: Fixed maturity securities and short-term investments $ (724) $ (109) $ (2,484) $ (344) Change in unrealized appreciation (depreciation), pre-tax (724) (109) (2,484) (344) Deferred tax benefit (expense) 53 7 285 36 Change in unrealized appreciation (depreciation), net of deferred taxes, included in shareholders’ equity $ (671) $ (101) $ (2,199) $ (308) (Some amounts may not reconcile due to rounding.)
Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Security Type	Duration of Unrealized Loss at September Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities - available for U.S. Treasury securities and U.S. government agencies and corporations $ 807 $ (47) $ 273 $ (32) $ 1,080 $ (79) Obligations of U.S. states and 326 (30) 25 (8) 351 (38) Corporate securities 4,247 (447) 996 (189) 5,243 (636) Asset-backed securities 2,827 (158) 55 (5) 2,882 (164) Mortgage-backed securities Commercial 877 (104) 27 (4) 904 (108) Agency residential 2,086 (222) 588 (115) 2,674 (337) Non-agency residential 3 - 2 - 5 - Foreign government securities 971 (137) 250 (68) 1,221 (205) Foreign corporate securities 2,792 (496) 808 (229) 3,600 (726) Total $ 14,937 $ (1,640) $ 3,023 $ (651) $ 17,960 $ (2,291) Securities where an allowance for credit 23 (19) - - 23 (19) Total fixed $ 14,960 $ (1,659) $ 3,023 $ (651) $ 17,983 $ (2,310) (Some amounts may not reconcile due to rounding.) Duration of Unrealized Loss at December Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities - available for U.S. Treasury securities and U.S. government agencies and corporations $ 504 $ (6) $ 92 $ (4) $ 596 $ (10) Obligations of U.S. states and 51 (1) 3 - 54 (1) Corporate securities 2,133 (38) 473 (24) 2,605 (63) Asset-backed securities 1,954 (11) 42 (1) 1,996 (12) Mortgage-backed securities Commercial 222 (3) 40 (3) 262 (6) Agency residential 1,101 (12) 280 (7) 1,381 (19) Non-agency residential 2 - - - 2 - Foreign government securities 392 (10) 101 (18) 493 (28) Foreign corporate securities 1,735 (46) 211 (18) 1,945 (65) Total fixed $ 8,094 $ (128) $ 1,241 $ (75) $ 9,335 $ (203) (Some amounts may not reconcile due to rounding.)
Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Contractual Maturity	Duration of Unrealized Loss at September Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities Due in one year or less $ 895 $ (21) $ 59 $ (6) $ 954 $ (27) Due in one year through five years 4,908 (502) 1,264 (204) 6,173 (706) Due in five years through ten years 2,517 (459) 812 (239) 3,329 (697) Due after ten years 823 (174) 217 (77) 1,040 (252) Asset-backed securities 2,827 (158) 55 (5) 2,882 (164) Mortgage-backed securities 2,967 (325) 616 (120) 3,583 (445) Total $ 14,937 $ (1,640) $ 3,023 $ (651) $ 17,960 $ (2,291) Securities where an allowance for credit 23 (19) - - 23 (19) Total fixed $ 14,960 $ (1,659) $ 3,023 $ (651) $ 17,983 $ (2,310) (Some amounts may not reconcile due to rounding.) Duration of Unrealized Loss at December Less than 12 months Greater than 12 months Total Gross Gross Gross Unrealized Unrealized Unrealized (Dollars in millions) Fair Value Depreciation Fair Value Depreciation Fair Value Depreciation Fixed maturity securities - available for Due in one year or less $ 130 $ (2) $ 137 $ (12) $ 267 $ (14) Due in one year through five years 2,165 (35) 446 (29) 2,612 (64) Due in five years through ten years 1,728 (47) 244 (22) 1,972 (69) Due after ten years 792 (16) 51 (3) 843 (19) Asset-backed securities 1,954 (11) 42 (1) 1,996 (12) Mortgage-backed securities 1,325 (15) 320 (10) 1,646 (25) Total fixed $ 8,094 $ (128) $ 1,241 $ (75) $ 9,335 $ (203) (Some amounts may not reconcile due to rounding.)
Summary Of Components Of Net Investment Income	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Fixed maturities $ 186 $ 134 $ 503 $ 423 Equity securities 6 4 15 12 Short-term investments and cash 5 - 12 1 Other invested assets: Limited partnerships (42) 139 94 493 Other 11 31 37 63 Gross investment income before adjustments 167 308 661 992 Funds held interest income (expense) - 1 4 12 Future policy benefit reserve income (expense) - - - (1) Gross investment income 167 309 665 1,004 Investment expenses (15) (16) (45) (44) Net investment income $ 151 $ 293 $ 620 $ 960 (Some amounts may not reconcile due to rounding.)
Summary Of Components Of Net Realized Capital Gains (Losses)	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Fixed maturity securities: Allowance for credit losses $ (5) $ (7) $ (18) $ (30) Net realized gains (losses) from dispositions (53) 6 (66) 25 Equity securities, fair value: Net realized gains (losses) from dispositions 58 - 15 10 Gains (losses) from fair value adjustments (136) (5) (462) 128 Other invested assets 6 2 11 6 Short-term investments gain (loss) 1 - 1 - Total net gains (losses) on investments $ (129) $ (4) $ (519) $ 139 (Some amounts may not reconcile due to rounding.) Roll Forward of Allowance for Credit Losses – Fixed maturities Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 Foreign Foreign Corporate Asset-Backed Corporate Corporate Asset-Backed Corporate Securities Securities Securities Total Securities Securities Securities Total (Dollars in millions) Beginning Balance $ (26) $ - $ (17) $ (43) $ (19) $ (8) $ (3) $ (30) Credit losses on securities where credit losses were not previously recorded (2) (6) (1) (9) (9) (6) (17) (32) Increases in allowance on previously impaired securities (3) - - (3) (4) - (1) (4) Decreases in allowance on previously impaired securities - - - - - - - - Reduction in allowance due to disposals - - 8 8 1 8 10 19 Balance as of September 30, 2022 $ (31) $ (6) $ (10) $ (47) $ (31) $ (6) $ (10) $ (47) (Some amounts may not reconcile due to rounding.) Roll Forward of Allowance for Credit Losses – Fixed maturities Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 Foreign Foreign Corporate Asset-Backed Corporate Corporate Asset-Backed Corporate Securities Securities Securities Total Securities Securities Securities Total (Dollars in millions) Beginning Balance $ (18) $ (5) $ (1) $ (25) $ (1) $ - $ (1) $ (2) Credit losses on securities where credit losses were not previously recorded (5) - - (5) (21) (5) (1) (27) Increases in allowance on previously impaired securities - (3) - (3) (2) (3) - (5) Decreases in allowance on previously impaired securities - - - - - - - - Reduction in allowance due to disposals 1 - - 1 2 - - 2 Balance as of September 30, 2021 $ (23) (8) $ (1) $ (32) $ (23) $ (8) $ (1) $ (32) (Some amounts may not reconcile due to rounding.)
Summary Of Gross Gains (Losses) From Sales Of Fixed Maturity And Equity Securities	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Proceeds from sales of fixed maturity securities $ 405 $ 283 $ 1,177 $ 883 Gross gains from dispositions 5 17 33 52 Gross losses from dispositions (58) (11) (98) (26) Proceeds from sales of equity securities $ 592 $ 104 $ 1,030 $ 579 Gross gains from dispositions 59 3 67 21 Gross losses from dispositions (3) (3) (53) (11)

Reserve For Losses, LAE And F_2

Reserve For Losses, LAE And Future Policy Benefit Reserve (Tables)	9 Months Ended
	Sep. 30, 2022
Reserve For Losses, LAE And Future Policy Benefit Reserve [Abstract]
Summary Of Activity In The Reserve For Losses And LAE	Nine Months Ended September 30, (Dollars in millions) 2022 2021 Gross reserves beginning of period $ 19,009 $ 16,322 (1,946) (1,844) 17,063 14,478 Incurred related to: 6,291 5,578 (2) (6) 6,289 5,572 Paid related to: 1,794 1,376 1,841 1,803 3,635 3,179 Foreign exchange/translation adjustment (605) (41) Net reserves end of period 19,112 16,831 2,110 2,033 $ 21,222 $ 18,864 (Some amounts may not reconcile due

Fair Value (Tables)

Fair Value (Tables)	9 Months Ended
	Sep. 30, 2022
Fair Value [Abstract]
Fair Value Measurement Levels For All Assets And Liabilities	Fair Value Measurement Using: Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in millions) September 30, 2022 (Level 1) (Level 2) (Level 3) Assets: Fixed maturities, available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,308 $ - $ 1,308 $ - Obligations of U.S. States and political subdivisions 481 - 481 - Corporate securities 6,397 - 5,678 719 Asset-backed securities 3,772 - 2,880 893 Mortgage-backed securities Commercial 908 - 908 - Agency residential 2,723 - 2,723 - Non-agency residential 5 - 5 - Foreign government securities 1,335 - 1,335 - Foreign corporate securities 4,080 - 4,064 16 Total fixed maturities, available for sale 21,009 - 19,381 1,628 Equity securities, fair value 1,301 1,212 89 - (Some amounts may not reconcile due to rounding.) Fair Value Measurement Using: Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in millions) December 31, 2021 (Level 1) (Level 2) (Level 3) Assets: Fixed maturities, available for sale U.S. Treasury securities and obligations of U.S. government agencies and corporations $ 1,421 $ - $ 1,421 $ - Obligations of U.S. States and political subdivisions 587 - 587 - Corporate securities 7,557 - 6,756 801 Asset-backed securities 3,582 - 2,330 1,251 Mortgage-backed securities Commercial 1,064 - 1,064 - Agency residential 2,375 - 2,375 - Non-agency residential 7 - 7 - Foreign government securities 1,438 - 1,438 - Foreign corporate securities 4,279 - 4,262 16 Total fixed maturities, available for sale 22,308 - 20,240 2,068 Equity securities, fair value 1,826 1,742 84 - (Some amounts may not reconcile due to rounding.)
Activity Under Level 3, Fair Value Measurements Using Significant Unobservable Inputs By Asset Type	Total Fixed Maturities, Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 Corporate Asset-Backed Foreign Corporate Asset-Backed Foreign (Dollars in millions) Securities Securities CMBS Corporate Total Securities Securities CMBS Corporate Total Beginning balance fixed maturities $ 863 $ 1,255 $ 6 $ 40 $ 2,164 $ 801 $ 1,251 $ - $ 16 $ 2,068 Total gains or (losses) (realized/unrealized) Included in earnings (2) - - - (2) 9 - - - 9 Included in other comprehensive income (loss) (6) 65 - - 59 (13) (11) - (4) (28) Purchases, issuances and settlements 27 159 - - 186 (43) 387 6 8 358 Transfers in/(out) of Level securities in/(out) of investment categories (163) (587) (6) (24) (779) (35) (735) (6) (4) (779) Ending balance $ 719 $ 893 $ - $ 16 $ 1628 $ 719 $ 893 $ - $ 16 $ 1628 The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held $ (3) $ - $ - $ - $ (3) $ (8) $ 8 $ - $ - $ - (Some amounts may not reconcile due to rounding.) Total Fixed Maturities, Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 Corporate Asset-Backed Foreign Corporate Asset-Backed Foreign (Dollars in millions) Securities Securities Corporate Total Securities Securities Corporate Total Beginning balance fixed maturities $ 706 $ 815 $ 5 $ 1,526 $ 701 $ 623 $ 6 $ 1,330 Total gains or (losses) (realized/unrealized) Included in earnings 3 (3) - - (12) (7) - (19) Included in other comprehensive income (loss) (1) - - (2) 6 4 - 10 Purchases, issuances and settlements 87 192 - 279 99 384 (1) 482 Transfers in/(out) of Level securities in/(out) of investment categories - - - - - - - - Ending balance $ 794 $ 1,004 $ 5 $ 1,803 $ 794 $ 1,004 $ 5 $ 1,803 The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held $ 1 $ (3) $ - $ (2) $ (16) $ (8) $ - $ (24) (Some amounts may not reconcile due to rounding.)

Earnings Per Common Share (Tabl

Earnings Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2022
Earnings Per Common Share [Abstract]
Schedule Of Net Income (Loss) Per Common Share	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions, except per share amounts) 2022 2021 2022 2021 Net income (loss) per share: Numerator Net income (loss) $ (319) $ (73) $ 101 $ 948 Less: (65) (61) (191) (186) Undistributed earnings (384) (135) (90) 763 Percentage allocated to common shareholders (1) 100.0 % 100.0 % 98.7 % 98.7 % (384) (135) (88) 752 Add: 65 61 188 183 Numerator for basic and diluted earnings per common share $ (319) $ (73) $ 100 $ 936 Denominator Denominator for basic earnings per weighted-average common shares 38.8 39.2 38.8 39.4 Effect of dilutive securities: Options - - - - Denominator for diluted earnings per adjusted weighted-average common shares 38.8 39.2 38.8 39.5 Per common share net income (loss) Basic $ (8.22) $ (1.88) $ 2.57 $ 23.74 Diluted $ (8.22) $ (1.88) $ 2.57 $ 23.72 (1) Basic weighted-average common shares outstanding 38.8 39.2 38.8 39.4 Basic weighted-average common shares outstanding and unvested common shares expected to vest 38.8 39.2 39.4 39.9 Percentage allocated to common shareholders 100.0 % 100.0 % 98.7 % 98.7 % (Some amounts may not reconcile due to rounding.)

Other Comprehensive Income (L_2

Other Comprehensive Income (Loss) (Tables)	9 Months Ended
	Sep. 30, 2022
Other Comprehensive Income (Loss) [Abstract]
Components Of Comprehensive Income (Loss) In The Consolidated Statements Of Operations	Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 (Dollars in millions) Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized appreciation (depreciation) credit related $ (776) $ 64 $ (712) $ (2,557) $ 297 $ (2,260) Reclassification of net realized (loss) 51 (10) 41 73 (12) 61 Foreign currency translation adjustments (109) 8 (101) (174) 11 (163) Reclassification of benefit plan liability amortization income (loss) 2 (1) 1 3 (1) 2 Total other comprehensive $ (832) $ 61 $ (771) $ (2,655) $ 295 $ (2,360) Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 (Dollars in millions) Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized appreciation (depreciation) credit related $ (108) $ 8 $ (100) $ (343) $ 39 $ (304) Reclassification of net realized (loss) (1) (1) (1) (1) (2) (3) Foreign currency translation adjustments (59) 5 (54) (30) 1 (29) Reclassification of benefit plan liability amortization income (loss) 2 - 2 7 (2) 6 Total other comprehensive $ (166) $ 12 $ (153) $ (367) $ 36 $ (331)
Reclassification From Accumulated Other Comprehensive Income	Three Months Ended Nine Months Ended September 30, September 30, Affected line item within the statements of AOCI component 2022 2021 2022 2021 operations and comprehensive income (loss) (Dollars in millions) URA(D) on securities $ 51 $ (1) $ 73 $ (1) Other net realized capital gains (losses) (10) (1) (12) (2) Income tax expense (benefit) $ 41 $ (1) $ 61 $ (3) Net income (loss) Benefit plan net gain (loss) $ 2 $ 2 $ 3 $ 7 Other underwriting expenses (1) - (1) (2) Income tax expense (benefit) $ 1 $ 2 $ 2 $ 6 Net income (loss)
Components Of Accumulated Other Comprehensive Income (Loss), Net Of Tax, In The Consolidated Balance Sheets	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Beginning balance of URA (D) on securities $ (1,288) $ 518 $ 239 $ 724 Current period change in URA (D) of investments - non-credit related (671) (101) (2,199) (308) Ending balance of URA (D) on securities (1,959) 416 (1,959) 416 Beginning balance of foreign currency translation adjustments (240) (91) (177) (115) Current period change in foreign currency translation adjustments (101) (54) (163) (29) Ending balance of foreign currency translation adjustments (341) (144) (341) (144) Beginning balance of benefit plan net gain (loss) (49) (70) (50) (74) Current period change in benefit plan net gain (loss) 1 2 2 6 Ending balance of benefit plan net gain (loss) (48) (68) (48) (68) Ending balance of accumulated other comprehensive income (loss) $ (2,348) $ 204 $ (2,348) $ 204 (Some amounts may not reconcile due to rounding.)

Credit Facilities (Tables)

Credit Facilities (Tables)	9 Months Ended
	Sep. 30, 2022
Bermuda Re Wells Fargo Bank Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Summary Of Outstanding Letters Of Credit And Borrowings	(Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Wells Fargo Bank Bilateral LOC Agreement $ 500 $ 387 12/30/2022 $ 500 $ 351 12/30/2022 47 12/29/2023 - Total Wells Fargo $ 500 $ 435 $ 500 $ 351 (Some amounts may not reconcile due to rounding.)
Bermuda Re Citibank LOC Facility [Member]
Line of Credit Facility [Line Items]
Summary Of Outstanding Letters Of Credit And Borrowings	(Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bermuda Re Citibank LOC Facility- $ 230 $ 201 12/31/2022 $ 230 $ 4 2/28/2022 1 1/21/2023 1 3/1/2022 4 2/28/2023 1 11/24/2022 1 3/1/2023 – 12/16/2022 3 9/23/2023 217 12/31/2022 – 12/20/2023 1 8/15/2023 6 12/31/2023 1 9/23/2023 Bermuda Re Citibank LOC Facility - Uncommitted 140 84 12/31/2022 140 84 12/31/2022 20 9/30/2026 23 12/30/2025 Total Citibank Bilateral Agreement $ 370 $ 322 $ 370 $ 333 (Some amounts may not reconcile due to rounding.)
Bermuda Re Bayerische Landesbank Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Summary Of Outstanding Letters Of Credit And Borrowings	(Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bayerische Landesbank Bilateral LOC Agreement $ 200 $ 153 12/31/2022 $ 200 $ 155 12/31/2022 Total Bayerische Landesbank Bilateral LOC Agreement $ 200 $ 153 $ 200 $ 155
Bermuda Re Lloyd's Bank Credit Facility [Member]
Line of Credit Facility [Line Items]
Summary Of Outstanding Letters Of Credit And Borrowings	(Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bermuda Re Lloyd's Bank Credit Facility-Committed $ 50 $ 46 12/31/2022 $ 50 $ 46 12/31/2022 Bermuda Re Lloyd's Bank Credit Facility-Uncommitted 200 85 12/31/2022 - - Total Bermuda Re Lloyd's Bank Credit Facility $ 250 $ 131 $ 50 $ 46
Bermuda Re Barclays Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Summary Of Outstanding Letters Of Credit And Borrowings	(Dollars in millions) At September 30, 2022 At December 31, 2021 Bank Capacity In Use Date of Expiry Capacity In Use Date of Expiry Bermuda Re Barclays Bilateral Letter of Credit Facility $ 200 $ 172 12/31/2022 $ 200 $ 186 12/31/2022 Total Bermuda Re Barclays Bilateral $ 200 $ 172 $ 200 $ 186

Collateralized Reinsurance An_2

Collateralized Reinsurance And Trust Agreements (Tables)	9 Months Ended
	Sep. 30, 2022
Collateralized Reinsurance And Trust Agreements [Abstract]
Premiums And Losses Ceded By The Company To Affiliate	Three Months Ended Nine Months Ended September 30, September 30, Mt. Logan Re Segregated Accounts 2022 2021 2022 2021 (Dollars in millions) Ceded written premiums $ 68 $ 115 $ 150 $ 270 Ceded earned premiums 57 100 149 250 Ceded losses and LAE 99 170 161 282 Assumed written premiums 2 4 3 9 Assumed earned premiums 2 4 3 9 Assumed losses and LAE - - - -
Summary of Collateralized Reinsurance Agreements	(Dollars in millions) Class Description Effective Date Expiration Date Limit Coverage Basis Series 2018-1 Class A-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/30/2018 5/5/2023 $ 63 Aggregate Series 2018-1 Class B-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/30/2018 5/5/2023 200 Aggregate Series 2019-1 Class A-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2023 150 Occurrence Series 2019-1 Class B-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2023 275 Aggregate Series 2019-1 Class A-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2024 150 Occurrence Series 2019-1 Class B-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 12/12/2019 12/19/2024 275 Aggregate Series 2021-1 Class A-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/21/2025 150 Occurrence Series 2021-1 Class B-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/21/2025 85 Aggregate Series 2021-1 Class C-1 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/21/2025 85 Aggregate Series 2021-1 Class A-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/20/2026 150 Occurrence Series 2021-1 Class B-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/20/2026 90 Aggregate Series 2021-1 Class C-2 US, Canada, Puerto Rico – Named Storm and Earthquake Events 4/8/2021 4/20/2026 90 Aggregate Series 2022-1 Class A US, Canada, Puerto Rico – Named Storm and Earthquake Events 6/22/2022 6/22/2025 300 Aggregate Total available limit as of September 30, 2022 $ 2,063
Schedule of Proceeds from Issuance of Notes Held in Reinsurance Trusts	(Dollars in millions) Note Series Issue Date Maturity Date Amount Series 2018-1 Class A-2 4/30/2018 5/5/2023 $ 63 Series 2018-1 Class B-2 4/30/2018 5/5/2023 200 Series 2019-1 Class A-1 12/12/2019 12/19/2023 150 Series 2019-1 Class B-1 12/12/2019 12/19/2023 275 Series 2019-1 Class A-2 12/12/2019 12/19/2024 150 Series 2019-1 Class B-2 12/12/2019 12/19/2024 275 Series 2021-1 Class A-1 4/8/2021 4/21/2025 150 Series 2021-1 Class B-1 4/8/2021 4/21/2025 85 Series 2021-1 Class C-1 4/8/2021 4/21/2025 85 Series 2021-1 Class A-2 4/8/2021 4/20/2026 150 Series 2021-1 Class B-2 4/8/2021 4/20/2026 90 Series 2021-1 Class C-2 4/8/2021 4/20/2026 90 Series 2022-1 Class A 6/22/2022 6/22/2025 300 $ 2,063

Senior Notes (Tables)

Senior Notes (Tables)	9 Months Ended
	Sep. 30, 2022
Senior Notes [Abstract]
Schedule Of Outstanding Senior Notes	September 30, 2022 December 31, 2021 Principal Consolidated Balance Consolidated Balance (Dollars in millions) Date Issued Date Due Amounts Sheet Amount Fair Value Sheet Amount Fair Value 4.868 % Senior notes 6/5/2014 6/1/2044 $ 400 $ 397 $ 339 $ 397 $ 504 3.5 % Senior notes 10/7/2020 10/15/2050 1,000 980 669 980 1,055 3.125 % Senior notes 10/4/2021 10/15/2052 1,000 969 627 969 983 $ 2,400 $ 2,347 $ 1,635 $ 2,346 $ 2,542
Schedule Of Interest Expense Incurred In Connection With Senior Notes	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Interest expense incurred 4.868 % Senior notes $ 5 $ 5 $ 15 $ 15 Interest expense incurred 3.5 % Senior notes 9 9 26 26 Interest expense incurred 3.125 % Senior notes 8 - 24 - $ 22 $ 14 $ 65 $ 41

Long Term Subordinated Notes (T

Long Term Subordinated Notes (Tables)	9 Months Ended
	Sep. 30, 2022
Long Term Subordinated Notes [Abstract]
Schedule Of Outstanding Fixed To Floating Rate Long Term Subordinated Notes	Maturity Date September 30, 2022 December 31, 2021 Original Consolidated Balance Fair Consolidated Balance Fair (Dollars in millions) Date Issued Principal Amount Scheduled Final Sheet Amount Value Sheet Amount Value Long term subordinated notes 4/26/2007 $ 400 5/15/2037 5/1/2067 $ 218 $ 179 $ 224 $ 216
Schedule Of Interest Expense Incurred In Connection With Long Term Subordinated Notes	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in millions) 2022 2021 2022 2021 Interest expense incurred $ 3 $ 1 $ 6 $ 4

Segment Reporting (Tables)

Segment Reporting (Tables)	9 Months Ended
	Sep. 30, 2022
Segment Reporting [Abstract]
Schedule Of Underwriting Results For Operating Segments	Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 (Dollars in millions) Reinsurance Insurance Total Reinsurance Insurance Total Gross written premiums $ 2,551 $ 1,129 $ 3,680 $ 6,938 $ 3,376 $ 10,313 Net written premiums 2,460 862 3,323 6,664 2,492 9,156 Premiums earned $ 2,245 $ 822 $ 3,067 $ 6,451 $ 2,324 $ 8,775 Incurred losses and LAE 1,992 631 2,623 4,699 1,591 6,289 Commission and brokerage 537 104 641 1,582 295 1,877 Other underwriting expenses 54 115 169 156 344 500 Underwriting gain (loss) $ (338) $ (29) $ (367) $ 14 $ 95 $ 109 Net investment income 151 620 Net gains (losses) on investments (129) (519) Corporate expenses (16) (45) Interest, fee and bond issue cost amortization expense (25) (74) Other income (expense) (16) (71) Income (loss) before taxes $ (401) $ 20 (Some amounts may not reconcile due to rounding.) Three Months Ended September 30, 2021 Nine Months Ended September 30, 2021 (Dollars in millions) Reinsurance Insurance Total Reinsurance Insurance Total Gross written premiums $ 2,488 $ 1,009 $ 3,498 $ 6,696 $ 2,924 $ 9,619 Net written premiums 2,293 733 3,026 6,266 2,123 8,389 Premiums earned $ 1,976 $ 680 $ 2,656 $ 5,675 $ 1,928 $ 7,603 Incurred losses and LAE 1,766 508 2,274 4,206 1,366 5,572 Commission and brokerage 471 93 564 1,353 258 1,611 Other underwriting expenses 45 96 141 144 280 424 Underwriting gain (loss) $ (306) $ (17) $ (323) $ (29) $ 24 $ (5) Net investment income 293 960 Net gains (losses) on investments (4) 139 Corporate expenses (18) (46) Interest, fee and bond issue cost amortization expense (16) (47) Other income (expense) (20) 44 Income (loss) before taxes $ (88) $ 1,046 (Some amounts may not reconcile due to rounding.)
Schedule Of Gross Written Premiums Derived From Largest Non-U.S. Market	Three Months Ended Nine Months Ended September 30, September 30, (Dollars in thousands) 2022 2021 2022 2021 United Kingdom gross written premium $ 312 $ 282 $ 936 $ 897

Investments (Narrative) (Detail

Investments (Narrative) (Details) $ in Millions	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) Item	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) Item
Schedule of Available-for-sale Securities [Line Items]
Reclassification of specific investments from fixed maturity securities, available for sale at fair value to fixed maturity securities, held to maturity at amortized cost net of credit allowances	$ 722	$ 722
Unrealized loss from transfer	(53)
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	817	817
Fixed maturities - held to maturity, at amortized cost, credit allowances	9	9
Additional contractual commitments	2,500	$ 2,500
Contractual commitments, investment period expiration date		Dec. 31, 2026
Fair Value	21,009	$ 21,009		$ 22,308
Number of securities held as primary beneficiary | Item		0		0
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities - held to maturity, at amortized cost	846	$ 846
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	817	817
Fixed maturities - held to maturity, gross unrealized appreciation	1	1
Fixed maturities - held to maturity, gross unrealized depreciation	21	21
Fixed maturities - held to maturity, at amortized cost, credit allowances	9	9
Aggregate market value of investments in unrealized loss position	17,983	17,983		$ 9,335
Gross unrealized losses on investments in unrealized loss position	2,310	2,310		203
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	1,659	1,659		128
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	651	651		75
Fair Value	21,009	$ 21,009		$ 22,308
Fixed Maturity Securities [Member] | Sales Revenue, Net [Member] | Issuer with the second the largest unrealized loss position [Member] | Issuer [Member]
Schedule of Available-for-sale Securities [Line Items]
Percentage threshold of unrealized losses not exceeded by any one single issuer		0.90%		0.50%
Fixed Maturity Securities [Member] | US Government Securities [Member] | Sales Revenue, Net [Member] | Issuer [Member]
Schedule of Available-for-sale Securities [Line Items]
Percentage threshold of unrealized losses not exceeded by any one single issuer		5.20%		2.70%
Recorded an Allowance for Credit Losses [Member]
Schedule of Available-for-sale Securities [Line Items]
Aggregate market value of investments in unrealized loss position	23	$ 23		$ 16
Gross unrealized losses on investments in unrealized loss position	19	19		0.4
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	19	19
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation
Asset Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities - held to maturity, at amortized cost	653	653
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	639	639
Fixed maturities - held to maturity, gross unrealized appreciation	1	1
Fixed maturities - held to maturity, gross unrealized depreciation	10	10
Fixed maturities - held to maturity, at amortized cost, credit allowances	6	6
Aggregate market value of investments in unrealized loss position	2,882	2,882		1,996
Gross unrealized losses on investments in unrealized loss position	164	164		12
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	158	158		11
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	5	5		1
Fair Value	3,772	3,772		3,582
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturities - held to maturity, at amortized cost	160	160
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	147	147
Fixed maturities - held to maturity, gross unrealized appreciation
Fixed maturities - held to maturity, gross unrealized depreciation	11	11
Fixed maturities - held to maturity, at amortized cost, credit allowances	2	2
Aggregate market value of investments in unrealized loss position	5,243	5,243		2,605
Gross unrealized losses on investments in unrealized loss position	636	636		63
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	447	447		38
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	189	189		24
Fair Value	6,397	6,397		7,557
Investment Grade [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	1,500	1,500		116
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	616	616		72
Private Placement Liquidity Sweep [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value	368	368
Maximum exposure to loss	3,100	3,100		$ 2,900
Commitments to fund investments	$ 2,200	$ 2,200

Investments (Summary Of Amortiz

Investments (Summary Of Amortized Cost, Allowance For Credit Losses, Gross Unrealized Appreciation/(Depreciation) And Fair Value Of Fixed Maturity Securities) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fixed maturity securities - available for sale:
Amortized Cost	$ 23,204	$ 22,064
Allowance for credit losses	(38)	(30)
Fair Value	21,009	22,308
Fixed maturity securities - held to maturity:
Allowance for credit losses	(9)
Fair Value	817
Fixed Maturity Securities [Member]
Fixed maturity securities - available for sale:
Amortized Cost	23,204	22,064
Allowance for credit losses	(38)	(30)
Unrealized Appreciation	153	478
Unrealized Depreciation	(2,310)	(203)
Fair Value	21,009	22,308
Fixed maturity securities - held to maturity:
Amortized Cost	846
Allowance for credit losses	(9)
Unrealized Appreciation	1
Unrealized Depreciation	(21)
Fair Value	817
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member]
Fixed maturity securities - available for sale:
Amortized Cost	1,367	1,407
Allowance for credit losses
Unrealized Appreciation	19	24
Unrealized Depreciation	(79)	(10)
Fair Value	1,308	1,421
Obligations Of U.S. States And Political Subdivisions [Member]
Fixed maturity securities - available for sale:
Amortized Cost	519	559
Allowance for credit losses
Unrealized Appreciation	1	29
Unrealized Depreciation	(38)	(1)
Fair Value	481	587
Corporate Securities [Member]
Fixed maturity securities - available for sale:
Amortized Cost	7,010	7,444
Allowance for credit losses	(29)	(19)
Unrealized Appreciation	69	195
Unrealized Depreciation	(653)	(63)
Fair Value	6,397	7,557
Fixed maturity securities - held to maturity:
Amortized Cost	160
Allowance for credit losses	(2)
Unrealized Appreciation
Unrealized Depreciation	(11)
Fair Value	147
Asset-Backed Securities [Member]
Fixed maturity securities - available for sale:
Amortized Cost	3,935	3,579
Allowance for credit losses		(8)
Unrealized Appreciation	1	22
Unrealized Depreciation	(164)	(12)
Fair Value	3,772	3,582
Fixed maturity securities - held to maturity:
Amortized Cost	653
Allowance for credit losses	(6)
Unrealized Appreciation	1
Unrealized Depreciation	(10)
Fair Value	639
Mortgage-Backed Securities: Commercial [Member]
Fixed maturity securities - available for sale:
Amortized Cost	1,016	1,033
Allowance for credit losses
Unrealized Appreciation		38
Unrealized Depreciation	(108)	(6)
Fair Value	908	1,064
Fixed maturity securities - held to maturity:
Amortized Cost	6
Allowance for credit losses
Unrealized Appreciation
Unrealized Depreciation
Fair Value	6
Mortgage Backed Securities: Agency residential [Member]
Fixed maturity securities - available for sale:
Amortized Cost	3,058	2,361
Allowance for credit losses
Unrealized Appreciation	2	33
Unrealized Depreciation	(337)	(19)
Fair Value	2,723	2,375
Mortgage Backed Securities: Non-agency residential [Member]
Fixed maturity securities - available for sale:
Amortized Cost	5	7
Allowance for credit losses
Unrealized Appreciation
Unrealized Depreciation
Fair Value	5	7
Foreign Government Securities [Member]
Fixed maturity securities - available for sale:
Amortized Cost	1,528	1,424
Allowance for credit losses
Unrealized Appreciation	13	42
Unrealized Depreciation	(205)	(28)
Fair Value	1,335	1,438
Foreign Corporate Securities [Member]
Fixed maturity securities - available for sale:
Amortized Cost	4,768	4,251
Allowance for credit losses	(9)	(3)
Unrealized Appreciation	47	95
Unrealized Depreciation	(726)	(65)
Fair Value	4,080	$ 4,279
Fixed maturity securities - held to maturity:
Amortized Cost	28
Allowance for credit losses	(1)
Unrealized Appreciation
Unrealized Depreciation	(1)
Fair Value	$ 26

Investments (Summary Of Amort_2

Investments (Summary Of Amortized Cost And Fair Value Of Fixed Maturity Securities, By Contractual Maturity) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fixed maturity securities - available for sale:
Amortized Cost	$ 23,204	$ 22,064
Fair Value	21,009	22,308
Fixed Maturity Securities [Member]
Fixed maturity securities - available for sale:
Due in one year or less, Amortized Cost	1,257	1,399
Due after one year through five years, Amortized Cost	7,875	7,075
Due after five years through ten years, Amortized Cost	4,603	5,004
Due after ten years, Amortized Cost	1,456	1,606
Amortized Cost	23,204	22,064
Due in one year or less, Fair Value	1,258	1,398
Due after one year through five years, Fair Value	7,216	7,154
Due after five years through ten years, Fair Value	3,938	5,101
Due after ten years, Fair Value	1,189	1,627
Fair Value	21,009	22,308
Fixed maturity securities - held to maturity:
Due after one year through five years, Amortized Cost	61
Due after five years through ten years, Amortized Cost	46
Due after ten years, Amortized Cost	80
Amortized Cost	846
Due after one year through five years, Fair Value	58
Due after five years through ten years, Fair Value	41
Due after ten years, Fair Value	74
Fair Value	817
Asset-Backed Securities [Member]
Fixed maturity securities - available for sale:
Amortized Cost	3,935	3,579
Fair Value	3,772	3,582
Fixed maturity securities - held to maturity:
Amortized Cost	653
Fair Value	639
Mortgage-Backed Securities: Commercial [Member]
Fixed maturity securities - available for sale:
Amortized Cost	1,016	1,033
Fair Value	908	1,064
Fixed maturity securities - held to maturity:
Amortized Cost	6
Fair Value	6
Mortgage Backed Securities: Agency residential [Member]
Fixed maturity securities - available for sale:
Amortized Cost	3,058	2,361
Fair Value	2,723	2,375
Mortgage Backed Securities: Non-agency residential [Member]
Fixed maturity securities - available for sale:
Amortized Cost	5	7
Fair Value	$ 5	$ 7

Investments (Summary Of Changes

Investments (Summary Of Changes In Net Unrealized Appreciation (Depreciation) For The Company's Investments) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	$ (724)	$ (109)	$ (2,484)	$ (344)
Deferred tax benefit (expense)	53	7	285	36
Total URA(D) on securities arising during the period	(671)	(101)	(2,199)	(308)
Fixed Maturity Securities and Short-Term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	$ (724)	$ (109)	$ (2,484)	$ (344)

Investments (Summary Of Aggrega

Investments (Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Security Type) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	$ 14,960	$ 8,094
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(1,659)	(128)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	3,023	1,241
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(651)	(75)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	17,983	9,335
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(2,310)	(203)
No Recorded Allowance for Credit Losses [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	14,937
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(1,640)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	3,023
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(651)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	17,960
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(2,291)
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	807	504
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(47)	(6)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	273	92
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(32)	(4)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	1,080	596
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(79)	(10)
Obligations Of U.S. States And Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	326	51
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(30)	(1)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	25	3
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(8)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	351	54
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(38)	(1)
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	4,247	2,133
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(447)	(38)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	996	473
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(189)	(24)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	5,243	2,605
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(636)	(63)
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	2,827	1,954
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(158)	(11)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	55	42
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(5)	(1)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	2,882	1,996
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(164)	(12)
Mortgage-Backed Securities: Commercial [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	877	222
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(104)	(3)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	27	40
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(4)	(3)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	904	262
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(108)	(6)
Mortgage Backed Securities: Agency residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	2,086	1,101
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(222)	(12)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	588	280
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(115)	(7)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	2,674	1,381
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(337)	(19)
Mortgage Backed Securities: Non-agency residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	3	2
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	2
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	5	2
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total
Foreign Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	971	392
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(137)	(10)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	250	101
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(68)	(18)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	1,221	493
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(205)	(28)
Foreign Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	2,792	1,735
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(496)	(46)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	808	211
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(229)	(18)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	3,600	1,945
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(726)	(65)
Recorded an Allowance for Credit Losses [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	23
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(19)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	23	16
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	$ (19)	$ (0.4)

Investments (Summary Of Aggre_2

Investments (Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Contractual Maturity) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	$ 14,960	$ 8,094
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(1,659)	(128)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	3,023	1,241
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(651)	(75)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	17,983	9,335
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(2,310)	(203)
No Recorded Allowance for Credit Losses [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	14,937
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(1,640)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	3,023
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(651)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	17,960
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(2,291)
Due In One Year Or Less [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	895	130
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(21)	(2)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	59	137
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(6)	(12)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	954	267
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(27)	(14)
Due In One Year Through Five Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	4,908	2,165
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(502)	(35)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	1,264	446
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(204)	(29)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	6,173	2,612
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(706)	(64)
Due in Five Years Through Ten Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	2,517	1,728
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(459)	(47)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	812	244
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(239)	(22)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	3,329	1,972
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(697)	(69)
Due After Ten Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	823	792
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(174)	(16)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	217	51
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(77)	(3)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	1,040	843
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(252)	(19)
Asset Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	2,827	1,954
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(158)	(11)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	55	42
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(5)	(1)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	2,882	1,996
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(164)	(12)
Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	2,967	1,325
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(325)	(15)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	616	320
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(120)	(10)
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	3,583	1,646
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(445)	(25)
Recorded an Allowance for Credit Losses [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	23
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Gross Unrealized Depreciation	(19)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation
Fixed maturity securities, Duration of Unrealized Loss, Total, Market Value	23	16
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	$ (19)	$ (0.4)

Investments (Summary Of Compone

Investments (Summary Of Components Of Net Investment Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	$ 167	$ 308	$ 661	$ 992
Funds held interest income (expense)		1	4	12
Future policy benefit reserve income (expense)				(1)
Gross investment income	167	309	665	1,004
Investment expenses	(15)	(16)	(45)	(44)
Net investment income	151	293	620	960
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	186	134	503	423
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	6	4	15	12
Short Term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	5		12	1
Limited Partnerships [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	(42)	139	94	493
Other [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	$ 11	$ 31	$ 37	$ 63

Investments (Summary Of Compo_2

Investments (Summary Of Components Of Net Realized Capital Gains (Losses)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Available-for-sale Securities [Line Items]
Net realized gains (losses) from dispositions	$ 12	$ 8	$ (39)	$ 41
Gains (losses) from fair value adjustments	(136)	(5)	(462)	128
Total net gains (losses) on investments	(129)	(4)	(519)	139
Beginning Balance	(43)	(25)	(30)	(2)
Credit losses on securities where credit losses were not previously recorded	(9)	(5)	(32)	(27)
Increases in allowance on previously impaired securities	(3)	(3)	(4)	(5)
Decrease in allowance on previously impaired securities
Reduction in allowance due to disposals	8	1	19	2
Ending Balance	(47)	(32)	(47)	(32)
Fixed Maturity Securities [Member] | Market Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Allowance for credit losses	(5)	(7)	(18)	(30)
Net realized gains (losses) from dispositions	(53)	6	(66)	25
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning Balance	(26)	(18)	(19)	(1)
Credit losses on securities where credit losses were not previously recorded	(2)	(5)	(9)	(21)
Increases in allowance on previously impaired securities	(3)		(4)	(2)
Decrease in allowance on previously impaired securities
Reduction in allowance due to disposals		1	1	2
Ending Balance	(31)	(23)	(31)	(23)
Equity Securities [Member] | Fair Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Net realized gains (losses) from dispositions	58		15	10
Gains (losses) from fair value adjustments	(136)	(5)	(462)	128
Other Invested Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Net realized gains (losses) from dispositions	6	2	11	6
Short-Term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Net realized gains (losses) from dispositions	1		1
Asset Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning Balance		(5)	(8)
Credit losses on securities where credit losses were not previously recorded	(6)		(6)	(5)
Increases in allowance on previously impaired securities		(3)		(3)
Decrease in allowance on previously impaired securities
Reduction in allowance due to disposals			8
Ending Balance	(6)	(8)	(6)	(8)
Foreign Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning Balance	(17)	(1)	(3)	(1)
Credit losses on securities where credit losses were not previously recorded	(1)		(17)	(1)
Increases in allowance on previously impaired securities			(1)
Decrease in allowance on previously impaired securities
Reduction in allowance due to disposals	8		10
Ending Balance	$ (10)	$ (1)	$ (10)	$ (1)

Investments (Summary Of Gross G

Investments (Summary Of Gross Gains (Losses) From Sales Of Fixed Maturity And Equity Securities) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales of fixed maturity securities, available for sale			$ 1,177	$ 883
Proceeds from sales of equity securities			1,030	579
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales of fixed maturity securities, available for sale	$ 405	$ 283	1,177	883
Gross gains from dispositions	5	17	33	52
Gross losses from dispositions	(58)	(11)	(98)	(26)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales of equity securities	592	104	1,030	579
Gross gains from dispositions	59	3	67	21
Gross losses from dispositions	$ (3)	$ (3)	$ (53)	$ (11)

Reserve For Losses, LAE And F_3

Reserve For Losses, LAE And Future Policy Benefit Reserve (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Current year losses	$ 6,291	$ 5,578
Catastrophe [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Current year losses	30
Ukraine/Russia War [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Current year losses	$ 45

Reserve For Losses, LAE And F_4

Reserve For Losses, LAE And Future Policy Benefit Reserve (Summary Of Activity In The Reserve For Losses And LAE) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Reserve For Losses, LAE And Future Policy Benefit Reserve [Abstract]
Gross reserves beginning of period	$ 19,009	$ 16,322
Less reinsurance recoverables on unpaid losses	(1,946)	(1,844)
Net reserves beginning of period	17,063	14,478
Incurred related to: Current year	6,291	5,578
Incurred related to: Prior years	(2)	(6)
Total incurred losses and LAE	6,289	5,572
Paid related to: Current year	1,794	1,376
Paid related to: Prior years	1,841	1,803
Total paid losses and LAE	3,635	3,179
Foreign exchange/translation adjustment	(605)	(41)
Net reserves end of period	19,112	16,831
Plus reinsurance recoverables on unpaid losses	2,110	2,033
Gross reserves end of period	$ 21,222	$ 18,864

Fair Value (Narrative) (Details

Fair Value (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 21,009		$ 21,009		$ 22,308
Fair value of public equity portfolio	1,200		1,200		1,300
Other invested assets	876		876		757
Fixed maturities - held to maturity, at amortized cost, net of credit allowances (fair value: 2022, $817, credit allowances: 2022, $(9))	837		837
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	817		817
Market Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Transfer in/(out) of Level 3 and reclassification of securities in/(out) of investment categories	(779)		(779)
Fair Value [Member] | Investments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other invested assets	309		309		287
Fixed Maturities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,600		1,600		2,100
Asset Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	3,772		3,772		3,582
Fair value of public equity portfolio	2,400		2,400		$ 2,000
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value	$ 639		$ 639

Fair Value (Fair Value Measurem

Fair Value (Fair Value Measurement Levels For All Assets And Liabilities) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 21,009	$ 22,308
Equity securities, fair value	1,301	1,826
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities, fair value	1,212	1,742
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities, fair value	89	84
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities, fair value
Fixed Maturity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	21,009	22,308
Fixed Maturity Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Fixed Maturity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	19,381	20,240
Fixed Maturity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,628	2,068
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,308	1,421
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,308	1,421
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Obligations Of U.S. States And Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	481	587
Obligations Of U.S. States And Political Subdivisions [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Obligations Of U.S. States And Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	481	587
Obligations Of U.S. States And Political Subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	6,397	7,557
Corporate Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Corporate Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	5,678	6,756
Corporate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	719	801
Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	3,772	3,582
Asset-Backed Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Asset-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	2,880	2,330
Asset-Backed Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	893	1,251
Mortgage-Backed Securities: Commercial [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	908	1,064
Mortgage-Backed Securities: Commercial [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Mortgage-Backed Securities: Commercial [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	908	1,064
Mortgage-Backed Securities: Commercial [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Mortgage Backed Securities: Agency residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	2,723	2,375
Mortgage Backed Securities: Agency residential [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Mortgage Backed Securities: Agency residential [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	2,723	2,375
Mortgage Backed Securities: Agency residential [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Mortgage Backed Securities: Non-agency residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	5	7
Mortgage Backed Securities: Non-agency residential [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Mortgage Backed Securities: Non-agency residential [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	5	7
Mortgage Backed Securities: Non-agency residential [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Foreign Government Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,335	1,438
Foreign Government Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Foreign Government Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,335	1,438
Foreign Government Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Foreign Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	4,080	4,279
Foreign Corporate Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value
Foreign Corporate Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	4,064	4,262
Foreign Corporate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 16	$ 16

Fair Value (Activity Under Leve

Fair Value (Activity Under Level 3, Fair Value Measurements Using Significant Unobservable Inputs By Asset Type) (Details) - Market Value [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance fixed maturities	$ 2,164	$ 1,526	$ 2,068	$ 1,330
Total gains or (losses) (realized/unrealized) Included in earnings	(2)		9	(19)
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)	59	(2)	(28)	10
Purchases, issuances and settlements	186	279	358	482
Transfer in/(out) of Level 3 and reclassification of securities in/(out) of investment categories	(779)		(779)
Ending balance	1,628	1,803	1,628	1,803
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	(3)	(2)		(24)
Corporate Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance fixed maturities	863	706	801	701
Total gains or (losses) (realized/unrealized) Included in earnings	(2)	3	9	(12)
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)	(6)	(1)	(13)	6
Purchases, issuances and settlements	27	87	(43)	99
Transfer in/(out) of Level 3 and reclassification of securities in/(out) of investment categories	(163)		(35)
Ending balance	719	794	719	794
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	(3)	1	(8)	(16)
Asset Backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance fixed maturities	1,255	815	1,251	623
Total gains or (losses) (realized/unrealized) Included in earnings		(3)		(7)
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)	65		(11)	4
Purchases, issuances and settlements	159	192	387	384
Transfer in/(out) of Level 3 and reclassification of securities in/(out) of investment categories	(587)		(735)
Ending balance	893	1,004	893	1,004
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date		(3)	8	(8)
CMBS [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance fixed maturities	6
Total gains or (losses) (realized/unrealized) Included in earnings
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)
Purchases, issuances and settlements			6
Transfer in/(out) of Level 3 and reclassification of securities in/(out) of investment categories	(6)		(6)
Ending balance
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date
Foreign Corporate Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance fixed maturities	40	5	16	6
Total gains or (losses) (realized/unrealized) Included in earnings
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)			(4)
Purchases, issuances and settlements			8	(1)
Transfer in/(out) of Level 3 and reclassification of securities in/(out) of investment categories	(24)		(4)
Ending balance	16	5	16	5
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date

Earnings Per Common Share (Narr

Earnings Per Common Share (Narrative) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive options	0	0	0	0
Maximum [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Options expiration date			Sep. 19, 2022

Earnings Per Common Share (Sche

Earnings Per Common Share (Schedule Of Net Income (Loss) Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Common Share [Abstract]
Net income (loss)	$ (319)	$ (73)	$ 101	$ 948
Less: dividends declared-common shares and unvested common shares	(65)	(61)	(191)	(186)
Undistributed earnings	$ (384)	$ (135)	$ (90)	$ 763
Percentage allocated to common shareholders	100%	100%	98.70%	98.70%
Net income (loss) available to common stockholders, total	$ (384)	$ (135)	$ (88)	$ 752
Add: dividends declared-common shareholders	65	61	188	183
Numerator for basic and diluted earnings per common share	$ (319)	$ (73)	$ 100	$ 936
Denominator for basic earnings per weighted-average common shares	38.8	39.2	38.8	39.4
Effect of dilutive securities: Options
Denominator for diluted earnings per adjusted weighted-average common shares	38.8	39.2	38.8	39.5
Per common share net income (loss): Basic	$ (8.22)	$ (1.88)	$ 2.57	$ 23.74
Per common share net income (loss): Diluted	$ (8.22)	$ (1.88)	$ 2.57	$ 23.72
Basic weighted-average common shares outstanding	38.8	39.2	38.8	39.4
Basic weighted-average common shares outstanding and unvested common shares expected to vest	38.8	39.2	39.4	39.9

Other Comprehensive Income (L_3

Other Comprehensive Income (Loss) (Components Of Comprehensive Income (Loss) In The Consolidated Statements Of Operations) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total, Before Tax	$ (832)	$ (166)	$ (2,655)	$ (367)
Total, Tax Effect	61	12	295	36
Total, Net of Tax	(771)	(153)	(2,360)	(331)
URA(D) On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax	(776)	(108)	(2,557)	(343)
Tax Effect	64	8	297	39
Net of Tax	(712)	(100)	(2,260)	(304)
Reclassification, Before Tax	51	(1)	73	(1)
Reclassification, Tax Effect	(10)	(1)	(12)	(2)
Reclassification, Net of Tax	41	(1)	61	(3)
Total, Net of Tax	(671)	(101)	(2,199)	(308)
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax	(109)	(59)	(174)	(30)
Tax Effect	8	5	11	1
Net of Tax	(101)	(54)	(163)	(29)
Total, Net of Tax	(101)	(54)	(163)	(29)
Benefit Plan Net Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification, Before Tax	2	2	3	7
Reclassification, Tax Effect	(1)		(1)	(2)
Reclassification, Net of Tax	1	2	2	6
Total, Net of Tax	$ 1	$ 2	$ 2	$ 6

Other Comprehensive Income (L_4

Other Comprehensive Income (Loss) (Reclassification From Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense (benefit)	$ 82	$ 14	$ 81	$ (97)
NET INCOME (LOSS)	(319)	(73)	101	948
URA(D) On Securities [Member] | Reclassification From Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other net realized capital gains (losses)	51	(1)	73	(1)
Income tax expense (benefit)	(10)	(1)	(12)	(2)
NET INCOME (LOSS)	41	(1)	61	(3)
Benefit Plan Net Gain (Loss) [Member] | Reclassification From Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other underwriting expenses	2	2	3	7
Income tax expense (benefit)	(1)		(1)	(2)
NET INCOME (LOSS)	$ 1	$ 2	$ 2	$ 6

Other Comprehensive Income (L_5

Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss), Net Of Tax, In The Consolidated Balance Sheets) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			$ 10,139
Current period change	$ (771)	$ (153)	(2,360)	$ (331)
Balance	7,649	9,979	7,649	9,979
URA(D) On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(1,288)	518	239	724
Current period change	(671)	(101)	(2,199)	(308)
Balance	(1,959)	416	(1,959)	416
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(240)	(91)	(177)	(115)
Current period change	(101)	(54)	(163)	(29)
Balance	(341)	(144)	(341)	(144)
Benefit Plan Net Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(49)	(70)	(50)	(74)
Current period change	1	2	2	6
Balance	(48)	(68)	(48)	(68)
Accumulated Other Comprehensive Income (Loss), Net of Deferred Income Taxes [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(1,577)	357	12	535
Current period change	(771)	(153)	(2,360)	(331)
Balance	$ (2,348)	$ 204	$ (2,348)	$ 204

Credit Facilities (Narrative) (

Credit Facilities (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	May 05, 2021	Feb. 23, 2021
Line of Credit Facility [Line Items]
Line of credit facility, commitment	$ 1,200,000,000		$ 1,200,000,000
Uncommitted amount available	$ 340,000,000		$ 340,000,000
Maximum percentage of admitted assets allowed for borrowing base	10%		10%
Borrowings from FHLB	$ 519,000,000		$ 519,000,000		$ 519,000,000
Bermuda Re Wells Fargo Bank Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, commitment	500,000,000		500,000,000		500,000,000	$ 500,000,000	$ 50,000,000
Bermuda Re Citibank LOC Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, commitment	370,000,000		$ 370,000,000		$ 370,000,000
Bermuda Re Citibank Letter of Credit Facility One [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date			Dec. 31, 2022		Feb. 28, 2022
Line of credit facility, commitment	230,000,000		$ 230,000,000		$ 230,000,000
Bermuda Re Citibank LOC Facility - Uncommitted [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date			Dec. 31, 2022		Dec. 31, 2022
Line of credit facility, commitment	140,000,000		$ 140,000,000		$ 140,000,000
Bermuda Re Bayerische Landesbank Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date			Dec. 31, 2022		Dec. 31, 2022
Line of credit facility, commitment	200,000,000		$ 200,000,000		$ 200,000,000
Bermuda Re Lloyd's Bank Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, commitment	250,000,000		$ 250,000,000		$ 50,000,000
Bermuda Re Lloyd's Bank Credit Facility One [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date			Dec. 31, 2022		Dec. 31, 2022
Line of credit facility, commitment	50,000,000		$ 50,000,000		$ 50,000,000
Bermuda Re Barclays Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, expiration date			Dec. 31, 2022		Dec. 31, 2022
Line of credit facility, commitment	200,000,000		$ 200,000,000		$ 200,000,000
Federal Home Loan Bank Of New York [Member]
Line of Credit Facility [Line Items]
Admitted assets for FHLB	22,000,000,000		22,000,000,000
Maximum amount available under FHLB	2,200,000,000		2,200,000,000
Borrowings from FHLB	519,000,000		$ 519,000,000
Amount of borrowed funds required to be used to acquire additional membership stock, percentage			4.50%
Interest expense incurred	$ 800,000	$ 300,000	$ 2,300,000	$ 800,000
Federal Home Loan Bank Of New York [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
FHLB advance interest rate	0.53%		0.53%
FHLB advance maturity			Nov. 30, 2021
Federal Home Loan Bank Of New York [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
FHLB advance interest rate	0.65%		0.65%
FHLB advance maturity			Dec. 31, 2021

Credit Facilities (Summary Of O

Credit Facilities (Summary Of Outstanding Letters Of Credit And Borrowings) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021	May 05, 2021	Feb. 23, 2021
Line of Credit Facility [Line Items]
Capacity	$ 1,200,000,000
Bermuda Re Wells Fargo Bank Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Capacity	500,000,000	$ 500,000,000	$ 500,000,000	$ 50,000,000
In Use	435,000,000	351,000,000
Bermuda Re Wells Fargo Bank Bilateral Letter of Credit Facility One [Member]
Line of Credit Facility [Line Items]
Capacity	500,000,000	500,000,000
In Use	$ 387,000,000	$ 351,000,000
Date of Expiry	Dec. 30, 2022	Dec. 30, 2022
Bermuda Re Wells Fargo Bank Bilateral Letter of Credit Facility Two [Member]
Line of Credit Facility [Line Items]
In Use	$ 47,000,000
Date of Expiry		Dec. 29, 2023
Bermuda Re Citibank LOC Facility [Member]
Line of Credit Facility [Line Items]
Capacity	370,000,000	$ 370,000,000
In Use	322,000,000	333,000,000
Bermuda Re Citibank LOC Facility One [Member]
Line of Credit Facility [Line Items]
Capacity	230,000,000	230,000,000
In Use	$ 201,000,000	$ 4,000,000
Date of Expiry	Dec. 31, 2022	Feb. 28, 2022
Bermuda Re Citibank LOC Facility Two [Member]
Line of Credit Facility [Line Items]
In Use	$ 1,000,000	$ 1,000,000
Date of Expiry	Jan. 21, 2023	Mar. 01, 2022
Bermuda Re Citibank LOC Facility Three [Member]
Line of Credit Facility [Line Items]
In Use	$ 4,000,000	$ 1,000,000
Date of Expiry	Feb. 28, 2023	Nov. 24, 2022
Bermuda Re Citibank LOC Facility Four [Member]
Line of Credit Facility [Line Items]
In Use	$ 1,000,000
Date of Expiry	Mar. 01, 2023	Dec. 16, 2022
Bermuda Re Citibank LOC Facility Five [Member]
Line of Credit Facility [Line Items]
In Use	$ 3,000,000	$ 217,000,000
Date of Expiry	Sep. 23, 2023	Dec. 31, 2022
Bermuda Re Citibank LOC Facility Six [Member]
Line of Credit Facility [Line Items]
In Use		$ 1,000,000
Date of Expiry	Dec. 20, 2023	Aug. 15, 2023
Bermuda Re Citibank LOC Facility Seven [Member]
Line of Credit Facility [Line Items]
In Use	$ 6,000,000	$ 1,000,000
Date of Expiry	Dec. 31, 2023	Sep. 23, 2023
Bermuda Re Citibank LOC Facility Eight [Member]
Line of Credit Facility [Line Items]
In Use	$ 20,000,000	$ 23,000,000
Date of Expiry	Sep. 30, 2026	Dec. 30, 2025
Bermuda Re Citibank LOC Facility - Uncommitted [Member]
Line of Credit Facility [Line Items]
Capacity	$ 140,000,000	$ 140,000,000
In Use	$ 84,000,000	$ 84,000,000
Date of Expiry	Dec. 31, 2022	Dec. 31, 2022
Bermuda Re Bayerische Landesbank Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Capacity	$ 200,000,000	$ 200,000,000
In Use	$ 153,000,000	$ 155,000,000
Date of Expiry	Dec. 31, 2022	Dec. 31, 2022
Bermuda Re Lloyd's Bank Credit Facility [Member]
Line of Credit Facility [Line Items]
Capacity	$ 250,000,000	$ 50,000,000
In Use	131,000,000	46,000,000
Bermuda Re Lloyd's Bank Credit Facility One [Member]
Line of Credit Facility [Line Items]
Capacity	50,000,000	50,000,000
In Use	$ 46,000,000	$ 46,000,000
Date of Expiry	Dec. 31, 2022	Dec. 31, 2022
Bermuda Re Lloyd's Bank Credit Facility - Uncommitted [Member]
Line of Credit Facility [Line Items]
Capacity	$ 200,000,000
In Use	$ 85,000,000
Date of Expiry	Dec. 31, 2022
Bermuda Re Barclays Bilateral Letter of Credit Facility [Member]
Line of Credit Facility [Line Items]
Capacity	$ 200,000,000	200,000,000
In Use	$ 172,000,000	$ 186,000,000
Date of Expiry	Dec. 31, 2022	Dec. 31, 2022

Collateralized Reinsurance An_3

Collateralized Reinsurance And Trust Agreements (Narrative) (Details) - USD ($) $ in Millions		9 Months Ended
	Apr. 01, 2018	Sep. 30, 2022	Dec. 31, 2021
Effects of Reinsurance [Line Items]
Amount on deposit in trust accounts		$ 2,200
Restricted cash		107
Preferred shares
Mt Logan Re [Member]
Effects of Reinsurance [Line Items]
Percentage of voting common shares owned by Group		100%
Retrocede amount	$ 269
Cash transferred	252
Mt Logan Re [Member] | Minimum [Member]
Effects of Reinsurance [Line Items]
Accident year		2002
Mt Logan Re [Member] | Maximum [Member]
Effects of Reinsurance [Line Items]
Accident year		2015
Liability retroceded	$ 319

Collateralized Reinsurance An_4

Collateralized Reinsurance And Trust Agreements (Premiums And Losses Ceded By The Company To Affiliate) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Effects of Reinsurance [Line Items]
Ceded written premiums	$ 68	$ 115	$ 150	$ 270
Ceded earned premiums	57	100	149	250
Ceded losses and LAE	99	170	161	282
Assumed written premiums	2	4	3	9
Assumed earned premiums	2	4	3	9
Assumed losses and LAE

Collateralized Reinsurance An_5

Collateralized Reinsurance And Trust Agreements (Summary of Collateralized Reinsurance Agreements) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Effects of Reinsurance [Line Items]
Limit	$ 68	$ 115	$ 150	$ 270
Kilimanjaro Re Limited [Member]
Effects of Reinsurance [Line Items]
Limit			$ 2,063
Kilimanjaro Re Limited [Member] | Series 2018-1 Class A-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 30, 2018
Expiration Date			May 05, 2023
Limit			$ 63
Kilimanjaro Re Limited [Member] | Series 2018-1 Class B-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 30, 2018
Expiration Date			May 05, 2023
Limit			$ 200
Kilimanjaro Re Limited [Member] | Series 2019-1 Class A-1 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Dec. 12, 2019
Expiration Date			Dec. 19, 2023
Limit			$ 150
Kilimanjaro Re Limited [Member] | Series 2019-1 Class B-1 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Dec. 12, 2019
Expiration Date			Dec. 19, 2023
Limit			$ 275
Kilimanjaro Re Limited [Member] | Series 2019-1 Class A-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Dec. 12, 2019
Expiration Date			Dec. 19, 2024
Limit			$ 150
Kilimanjaro Re Limited [Member] | Series 2019-1 Class B-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Dec. 12, 2019
Expiration Date			Dec. 19, 2024
Limit			$ 275
Kilimanjaro Re Limited [Member] | Series 2021-1 Class A-1 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 08, 2021
Expiration Date			Apr. 21, 2025
Limit			$ 150
Kilimanjaro Re Limited [Member] | Series 2021-1 Class B-1 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 08, 2021
Expiration Date			Apr. 21, 2025
Limit			$ 85
Kilimanjaro Re Limited [Member] | Series 2021-1 Class C-1 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 08, 2021
Expiration Date			Apr. 21, 2025
Limit			$ 85
Kilimanjaro Re Limited [Member] | Series 2021-1 Class A-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 08, 2021
Expiration Date			Apr. 20, 2026
Limit			$ 150
Kilimanjaro Re Limited [Member] | Series 2021-1 Class B-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 08, 2021
Expiration Date			Apr. 20, 2026
Limit			$ 90
Kilimanjaro Re Limited [Member] | Series 2021-1 Class C-2 [Member]
Effects of Reinsurance [Line Items]
Effective Date			Apr. 08, 2021
Expiration Date			Apr. 20, 2026
Limit			$ 90
Kilimanjaro Re Limited [Member] | Series 2022-1 Class A [Member]
Effects of Reinsurance [Line Items]
Effective Date			Jun. 22, 2022
Expiration Date			Jun. 22, 2025
Limit			$ 300

Collateralized Reinsurance An_6

Collateralized Reinsurance And Trust Agreements (Schedule of Proceeds from Issuance of Notes Held in Reinsurance Trusts) (Details) - Kilimanjaro Re Limited [Member] $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Effects of Reinsurance [Line Items]
Amount	$ 2,063
Series 2018-1 Class A-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 30, 2018
Maturity Date	May 05, 2023
Amount	$ 63
Series 2018-1 Class B-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 30, 2018
Maturity Date	May 05, 2023
Amount	$ 200
Series 2019-1 Class A-1 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Dec. 12, 2019
Maturity Date	Dec. 19, 2023
Amount	$ 150
Series 2019-1 Class B-1 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Dec. 12, 2019
Maturity Date	Dec. 19, 2023
Amount	$ 275
Series 2019-1 Class A-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Dec. 12, 2019
Maturity Date	Dec. 19, 2024
Amount	$ 150
Series 2019-1 Class B-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Dec. 12, 2019
Maturity Date	Dec. 19, 2024
Amount	$ 275
Series 2021-1 Class A-1 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 08, 2021
Maturity Date	Apr. 21, 2025
Amount	$ 150
Series 2021-1 Class B-1 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 08, 2021
Maturity Date	Apr. 21, 2025
Amount	$ 85
Series 2021-1 Class C-1 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 08, 2021
Maturity Date	Apr. 21, 2025
Amount	$ 85
Series 2021-1 Class A-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 08, 2021
Maturity Date	Apr. 20, 2026
Amount	$ 150
Series 2021-1 Class B-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 08, 2021
Maturity Date	Apr. 20, 2026
Amount	$ 90
Series 2021-1 Class C-2 [Member]
Effects of Reinsurance [Line Items]
Issue Date	Apr. 08, 2021
Maturity Date	Apr. 20, 2026
Amount	$ 90
Series 2022-1 Class A [Member]
Effects of Reinsurance [Line Items]
Issue Date	Jun. 22, 2022
Maturity Date	Jun. 22, 2025
Amount	$ 300

Senior Notes (Schedule Of Outst

Senior Notes (Schedule Of Outstanding Senior Notes) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Consolidated Balance Sheet Amount	$ 2,347,000,000	$ 2,346,000,000
Senior Notes [Member]
Debt Instrument [Line Items]
Original Principal Amount	2,400,000,000
Consolidated Balance Sheet Amount	2,347,000,000	2,346,000,000
Fair Value	$ 1,635,000,000	2,542,000,000
Senior Notes [Member] | 4.868% Senior Notes due 6/1/2044 [Member]
Debt Instrument [Line Items]
Date issued	Jun. 05, 2014
Date due	Jun. 01, 2044
Original Principal Amount	$ 400,000,000
Consolidated Balance Sheet Amount	397,000,000	397,000,000
Fair Value	$ 339,000,000	504,000,000
Debt instrument, stated interest rate	4.868%
Senior Notes [Member] | 3.5% Senior Notes due 10/15/2050 [Member]
Debt Instrument [Line Items]
Date issued	Oct. 07, 2020
Date due	Oct. 15, 2050
Original Principal Amount	$ 1,000,000,000
Consolidated Balance Sheet Amount	980,000,000	980,000,000
Fair Value	$ 669,000,000	1,055,000,000
Debt instrument, stated interest rate	3.50%
Senior Notes [Member] | 3.125% Senior Notes due 10/15/2052 [Member]
Debt Instrument [Line Items]
Date issued	Oct. 04, 2021
Date due	Oct. 15, 2052
Original Principal Amount	$ 1,000,000,000
Consolidated Balance Sheet Amount	969,000,000	969,000,000
Fair Value	$ 627,000,000	$ 983,000,000
Debt instrument, stated interest rate	3.125%

Senior Notes (Schedule Of Inter

Senior Notes (Schedule Of Interest Expense Incurred In Connection With Senior Notes) (Details) - Senior Notes [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Interest expense incurred	$ 22	$ 14	$ 65	$ 41
4.868% Senior Notes due 6/1/2044 [Member]
Debt Instrument [Line Items]
Interest expense incurred	$ 5	5	$ 15	15
Debt instrument, stated interest rate	4.868%		4.868%
3.5% Senior Notes due 10/15/2050 [Member]
Debt Instrument [Line Items]
Interest expense incurred	$ 9	9	$ 26	26
Debt instrument, stated interest rate	3.50%		3.50%
3.125% Senior Notes due 10/15/2052 [Member]
Debt Instrument [Line Items]
Interest expense incurred	$ 8		$ 24
Debt instrument, stated interest rate	3.125%		3.125%

Long Term Subordinated Notes (N

Long Term Subordinated Notes (Narrative) (Details) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 Item	Dec. 31, 2020 USD ($)	Dec. 31, 2009 USD ($)	Nov. 14, 2022
Debt Instrument [Line Items]
Redemption date		May 01, 2047
Subordinated Debt [Member]
Debt Instrument [Line Items]
Percentage of principal amount required for redemption		100%
Outstanding debt reduction	$ 6			$ 161
Gain on repurchase and retirement of debt	$ 1		$ 13
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.60%	6.60%
Interest payment commencement date		Nov. 15, 2007
Basis spread on variable rate		2.385%
Right to defer interest, number of occasions | Item		1
Debt instrument, maturity date		May 01, 2067
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] | Scenario Forecast [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate					5.29%
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest payment date		May 3, 2007
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest payment date		May 14, 2017
Right to defer interest on one or more occasions for up to number of consecutive years		10 years
Senior Notes [Member] | 4.868% Senior Notes due 6/1/2044 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	4.868%	4.868%
Debt instrument, maturity date		Jun. 01, 2044
Senior Notes [Member] | 3.5% Senior Notes due 10/15/2050 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.50%	3.50%
Debt instrument, maturity date		Oct. 15, 2050
Senior Notes [Member] | Senior Notes 3.125 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.125%	3.125%
Debt instrument, maturity date		Oct. 15, 2052

Long Term Subordinated Notes (S

Long Term Subordinated Notes (Schedule Of Outstanding Fixed To Floating Rate Long Term Subordinated Notes) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Consolidated balance sheet amount	$ 218,000,000	$ 224,000,000
Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Date Issued	Apr. 26, 2007
Original Principal Amount	$ 400,000,000
Maturity Date	May 01, 2067
Consolidated balance sheet amount	$ 218,000,000	224,000,000
Fair Value	$ 179,000,000	$ 216,000,000
Scheduled [Member] | Subordinated Debt [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Maturity Date	May 15, 2037

Long Term Subordinated Notes _2

Long Term Subordinated Notes (Schedule Of Interest Expense Incurred In Connection With Long Term Subordinated Notes) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Interest expense incurred	$ 3	$ 1	$ 6	$ 4

Segment Reporting (Schedule Of

Segment Reporting (Schedule Of Underwriting Results For Operating Segments) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Gross written premium	$ 3,680	$ 3,498	$ 10,313	$ 9,619
Net written premiums	3,323	3,026	9,156	8,389
Premiums earned	3,067	2,656	8,775	7,603
Incurred losses and LAE	2,623	2,274	6,289	5,572
Commission and brokerage	641	564	1,877	1,611
Other underwriting expenses	169	141	500	424
Underwriting gain (loss)	(367)	(323)	109	(5)
Net investment income	151	293	620	960
Net gains (losses) on investments	(129)	(4)	(519)	139
Corporate expenses	(16)	(18)	(45)	(46)
Interest, fee and bond issue cost amortization expense	(25)	(16)	(74)	(47)
Other income (expense)	(16)	(20)	(71)	44
INCOME (LOSS) BEFORE TAXES	(401)	(88)	20	1,046
Reinsurance [Member]
Segment Reporting Information [Line Items]
Gross written premium	2,551	2,488	6,938	6,696
Net written premiums	2,460	2,293	6,664	6,266
Premiums earned	2,245	1,976	6,451	5,675
Incurred losses and LAE	1,992	1,766	4,699	4,206
Commission and brokerage	537	471	1,582	1,353
Other underwriting expenses	54	45	156	144
Underwriting gain (loss)	(338)	(306)	14	(29)
Insurance [Member]
Segment Reporting Information [Line Items]
Gross written premium	1,129	1,009	3,376	2,924
Net written premiums	862	733	2,492	2,123
Premiums earned	822	680	2,324	1,928
Incurred losses and LAE	631	508	1,591	1,366
Commission and brokerage	104	93	295	258
Other underwriting expenses	115	96	344	280
Underwriting gain (loss)	$ (29)	$ (17)	$ 95	$ 24

Segment Reporting (Schedule O_2

Segment Reporting (Schedule Of Gross Written Premiums Derived From Largest Non-U.S. Market) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
United Kingdom [Member]
Segment Reporting Information [Line Items]
Gross written premium	$ 312	$ 282	$ 936	$ 897

Share-Based Compensation Plans

Share-Based Compensation Plans (Narrative) (Details) - $ / shares					3 Months Ended	9 Months Ended
	Sep. 08, 2022	May 10, 2022	Feb. 24, 2022	Feb. 23, 2022	Sep. 30, 2022	Sep. 30, 2022
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period	4,070	2,330	9,048	187,760	4,070	203,208
Weighted-average grant-date fair value of options granted	$ 283.72		$ 287.94	$ 301.54
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period				18,340
Weighted-average grant-date fair value of options granted				$ 301.54