Equitable (EQH) S-1/A 14 Nov 18 IPO registration (amended) Financial data

Document and Entity Information

Document and Entity Information	9 Months Ended
	Sep. 30, 2018
Document And Entity Information [Abstract]
Document Type	S-1/A
Amendment Flag	false
Document Period End Date	Sep. 30, 2018
Trading Symbol	eqh
Entity Registrant Name	AXA Equitable Holdings, Inc.
Entity Central Index Key	1,333,986
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2018		Dec. 31, 2017		Dec. 31, 2016
Investments:
Fixed maturities available for sale, at fair value (amortized cost of $45,068 and $41,332)	$ 43,779		$ 46,941		$ 41,879
Mortgage loans on real estate (net of valuation allowance of $7 and $8)	12,070		10,952		9,774
Real estate held for production of income	54	[1]	390	[2]	56	[2]
Policy loans	3,739		3,819		3,855
Other equity investments	1,387	[1]	1,392	[2]	1,345	[2]
Trading securities, at fair value	14,993		14,170		12,085
Other invested assets	2,920	[1]	4,118	[2]	3,324	[2]
Total investments	78,942		81,782		72,318
Cash and cash equivalents	4,777	[1]	4,814	[2]	5,654	[2]
Cash and securities segregated, at fair value	1,263		825		946
Broker-dealer related receivables	2,224		2,158		2,100
Deferred policy acquisition costs	6,736		5,919		6,049
Goodwill and other intangible assets, net	4,791		4,824		5,243
Amounts due from reinsurers	4,909		5,023		5,220
Total Loans to Affiliates	0		1,230		1,246
GMIB reinsurance contract asset, at fair value	1,375		1,894	[3]	1,735	[3]
Current and deferred income taxes	321		84		522
Other assets	3,124	[1]	2,510	[2]	2,462	[2]
Separate Accounts assets	125,989		124,552		113,150
Total Assets	234,451		235,615		216,645
LIABILITIES
'Policyholders' liabilities: Investment contracts	50,066		47,171		41,956
Future policy benefits and other policyholders liabilities	29,504		30,330		30,357
Broker-dealer related payables	491		783		539
Securities sold under agreements to repurchase	1,900		1,887		3,593
Customers related payables	2,781		2,229		2,360
Amounts due to reinsurers	1,415		1,436		1,509
Short-term and long-term debt	4,806	[1]	2,408	[2]	1,605	[2]
Loans from affiliates	0		3,622		2,904
Other liabilities	3,485	[1]	4,053	[2]	3,720	[2]
Separate Accounts liabilities	125,989		124,552		113,150
Total liabilities	220,437		218,471		201,693
Redeemable noncontrolling interest	143	[1]	626	[2]	403	[2]
Commitments and contingent liabilities (Notes 10 and 16)
EQUITY
Common stock, $0.01 par value, 2,000,000,000 shares authorized, 561,000,000 shares issued and 558,526,870 shares outstanding	6		6		6
Capital in excess of par value	2,025		1,298		931	[4]
Treasury stock, at cost, 2,473,130 shares	(56)		0
Retained earnings	12,031		12,225		11,391
Accumulated other comprehensive income (loss)	(1,595)		(108)		(921)
Total equity attributable to Holdings	12,411		13,421		11,407
Noncontrolling interest	1,460		3,097		3,142
Total equity	13,871		16,518		14,549
Total Liabilities, Redeemable Noncontrolling Interest and Equity	234,451		235,615		216,645
Equity attributable to Holdings:
Noncontrolling interest	1,460		3,097		3,142
Total equity	$ 13,871		$ 16,518		$ 14,549
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.
[3]	Reported in GMIB reinsurance contract asset, at fair value in the consolidated balance sheets.
[4]	Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 stock split effected on April 24, 2018.

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) $ in Millions	Sep. 30, 2018USD ($)$ / sharesshares
Fixed maturities available for sale, amortized cost | $	$ 44,574
Mortgage loans on real estate, valuation allowances | $	$ 7
Common stock par value (in dollars per share) | $ / shares	$ 0.01
Common stock authorized (in shares)	2,000,000,000
Common stock issued (in shares)	561,000,000
Common stock outstanding (in shares)	558,526,870
Treasury stock (in shares)	2,473,130
Fixed Maturities
Fixed maturities available for sale, amortized cost | $	$ 44,574

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
REVENUES
Policy charges and fee income	$ 951	$ 953	$ 2,881	$ 2,810	$ 3,693	$ 3,729	$ 3,628
Premiums	269	267	823	825	1,124	1,083	1,070
Net derivative investment gains (loss)	(2,006)	(316)	(2,288)	232	214	(1,848)	(1,404)
Net investment income (loss)	681	794	1,868	2,377	3,082	2,665	2,450
Investment gains (losses), net:
Total other-than-temporary impairment losses	(4)	(1)	(4)	(15)	(15)	(68)	(42)
Other investment gains (losses), net	(31)	(11)	49	(17)	(176)	2,051	27
Total investment gains (losses), net	(35)	(12)	45	(32)	(191)	1,983	(15)
Investment management and service fees	1,088	1,018	3,218	2,970	4,093	3,749	3,895
Other Income	135	102	376	356	445	402	419
Investment management and service fees	1,088	1,018	3,218	2,970	4,093	3,749	3,895
Other Income	135	102	376	356	445	402	419
Total revenues	1,083	2,806	6,923	9,538	12,460	11,763	10,043
BENEFITS AND OTHER DEDUCTIONS
Policyholders’ benefits	318	1,077	1,812	3,900	4,366	3,342	3,501
Interest credited to policyholders’ account balances	278	255	817	743	995	967	934
Compensation and benefits (includes $42, $41, $122 and $123 of deferred policy acquisition costs, respectively)	548	524	1,726	1,609	2,137	2,119	2,165
Commissions and distribution related payments (includes $138, $121, $390 and $391 of deferred policy acquisition costs, respectively)	425	388	1,254	1,183	1,604	1,536	1,586
Interest cost related to these loans	65	42	171	115	160	174	136
Amortization of deferred policy acquisition costs (net of capitalization of $180, $162, $512 and $514 of deferred policy acquisition costs, respectively)	(363)	23	(338)	(150)	(184)	82	(292)
Other operating costs and expenses (includes $1, $2, $3 and $6 of deferred policy acquisition costs, respectively)	430	450	1,349	1,608	2,076	1,516	1,585
Total benefits and other deductions	1,701	2,759	6,791	9,008	11,154	9,736	9,615
Income (loss) from continuing operations, before income taxes	(618)	47	132	530	1,306	2,027	428
Income tax (expense) benefit	175	59	23	100	(49)	(378)	222
Net income (loss)	(443)	106	155	630	1,257	1,649	650
Less: Net (income) loss attributable to the noncontrolling interest	(53)	(96)	(273)	(279)	(423)	(395)	(325)
Net income (loss) attributable to Holdings	$ (496)	$ 10	$ (118)	$ 351	$ 834	$ 1,254	$ 325
Earnings per share - Common stock:
Basic (in dollars per share)	$ (0.89)	$ 0.02	$ (0.21)	$ 0.63	$ 1.49	$ 2.24	$ 0.58
Diluted (in dollars per share)	$ (0.89)	$ 0.02	$ (0.21)	$ 0.63	$ 1.48	$ 2.24	$ 0.58
Weighted average common shares outstanding					561	561	561
Weighted average common shares outstanding:
Weighted average common stock outstanding for basic earnings per common share	560.3	561	560.8	561	561	561	561
Weighted average common shares outstanding - diluted (in shares)	560.3	561	560.8	561

CONSOLIDATED STATEMENTS OF IN_2

CONSOLIDATED STATEMENTS OF INCOME (LOSS) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Deferred policy acquisition costs					$ 687	$ 697
Compensation and benefits
Deferred acquisition costs	$ 42	$ 41	$ 122	$ 123	156	154	$ 157
Commissions and distribution related payments
Deferred acquisition costs	138	121	390	391	523	536	559
Amortization of deferred poilicy acquisition costs, net
Deferred acquisition costs					(503)	(779)	(431)
Deferred policy acquisition costs	180	162	512	514	687	697	723
Other operating cost and expenses
Deferred acquisition costs					$ 8	$ 7	$ 7
Other operating costs and expenses
Deferred acquisition costs	$ 1	$ 2	$ 3	$ 6

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (443)	$ 106	$ 155	$ 630	$ 1,257	$ 1,649	$ 650
Other comprehensive income (loss) net of income taxes:
Foreign currency translation adjustment	10	7	(4)	32	42	(18)	(25)
Change in unrealized gains (losses), net of reclassification adjustment	(362)	(33)	(1,670)	502	690	(274)	(939)
Changes in defined benefit plan related items not yet recognized in periodic benefit cost, net of reclassification adjustment	68	17	202	60	100	34	35
Total other comprehensive income (loss), net of income taxes	(284)	(9)	(1,472)	594	832	(258)	(929)
Comprehensive income (loss)	(727)	97	(1,317)	1,224	2,089	1,391	(279)
Less: Comprehensive (income) loss attributable to noncontrolling interest	(54)	(99)	(288)	(297)	(442)	(381)	(311)
Comprehensive income (loss) attributable to Holdings	$ (781)	$ (2)	$ (1,605)	$ 927	$ 1,647	$ 1,010	$ (590)

CONSOLIDATED STATEMENTS OF EQUI

CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Parent	Noncontrolling Interest	Treasury Stock [Member]	Common Stock	Additional Paid-in Capital		Retained Earnings	Other comprehensive income (loss) attributable to Holdings
Beginning of year at Dec. 31, 2014			$ 3,151			$ 862	[1]	$ 9,812	$ 238
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Changes in capital in excess of par value			101			79
Net income (loss) attributable to Holdings	$ 325							325
Stockholder dividends								0
Other comprehensive income (loss)	(929)		(14)						(915)
Repurchase of AB Holding units			(118)
Net earnings (loss) attributable to noncontrolling interest			325
Dividends paid to noncontrolling interest			(337)
Common stock, at par value, end of year at Dec. 31, 2015					$ 6
End of year at Dec. 31, 2015	13,515	$ 10,407	3,108			941	[1]	10,137	(677)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares, at cost				$ 0
Changes in capital in excess of par value			101			(10)
Net income (loss) attributable to Holdings	1,254							1,254
Stockholder dividends								0
Other comprehensive income (loss)	(258)		(14)						(244)
Repurchase of AB Holding units			(128)
Net earnings (loss) attributable to noncontrolling interest			369
Dividends paid to noncontrolling interest			(294)
Common stock, at par value, end of year at Dec. 31, 2016	6	6			6
End of year at Dec. 31, 2016	14,549	11,407	3,142	0		931	[1]	11,391	(921)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Impact of adoption of revenue recognition standard ASC 606			0					0
Treasury shares, at cost				0
Net income (loss) attributable to Holdings	(277)							(277)
End of year at Mar. 31, 2017	14,376	11,271						11,114
Common stock, at par value, beginning of year at Dec. 31, 2016	6	6			6
Beginning of year at Dec. 31, 2016	14,549	11,407	3,142	0		931	[1]	11,391	(921)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Changes in capital in excess of par value						24
Net income (loss) attributable to Holdings	341							341
Other comprehensive income (loss)	603								588
End of year at Jun. 30, 2017	15,413	12,360				955		11,732	(333)
Common stock, at par value, beginning of year at Dec. 31, 2016	6	6			6
Beginning of year at Dec. 31, 2016	14,549	11,407	3,142	0		931	[1]	11,391	(921)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock				0
Issuance of treasury stock				0				0
Purchase of AllianceBernstein Units from noncontrolling interest						0
Changes in capital in excess of par value			(49)			67
Net income (loss) attributable to Holdings	351							351
Stockholder dividends								0
Other comprehensive income (loss)	594		18						576
Repurchase of AB Holding units			(73)
Net earnings (loss) attributable to noncontrolling interest			237
Dividends paid to noncontrolling interest			(265)
Purchase of AB Units by Holdings			0
Common stock, at par value, end of year at Sep. 30, 2017					6
End of year at Sep. 30, 2017	15,411	12,401	3,010	0		998		11,742	(345)
Common stock, at par value, beginning of year at Dec. 31, 2016	6	6			6
Beginning of year at Dec. 31, 2016	14,549	11,407	3,142	0		931	[1]	11,391	(921)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Changes in capital in excess of par value			35			367
Net income (loss) attributable to Holdings	834							834
Other comprehensive income (loss)	832		19						813
Repurchase of AB Holding units			(121)
Net earnings (loss) attributable to noncontrolling interest			370
Dividends paid to noncontrolling interest			(348)
Common stock, at par value, end of year at Dec. 31, 2017	6	6			6
End of year at Dec. 31, 2017	16,518	13,421	3,097	0		1,298		12,225	(108)
Beginning of year at Jun. 30, 2017	15,413	12,360				955		11,732	(333)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Holdings	10
Other comprehensive income (loss)	(9)								(12)
Common stock, at par value, end of year at Sep. 30, 2017					6
End of year at Sep. 30, 2017	15,411	12,401	3,010	0		998		11,742	(345)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Impact of adoption of revenue recognition standard ASC 606			19					13
Treasury shares, at cost	0			0
Common stock, at par value, beginning of year at Dec. 31, 2017	6	6			6
Beginning of year at Dec. 31, 2017	16,518	13,421	3,097	0		1,298		12,225	(108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Holdings	214							214
End of year at Mar. 31, 2018	16,582	13,547						12,437
Common stock, at par value, beginning of year at Dec. 31, 2017	6	6			6
Beginning of year at Dec. 31, 2017	16,518	13,421	3,097	0		1,298		12,225	(108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Holdings	378							378
End of year at Jun. 30, 2018	14,851	13,364						12,601
Common stock, at par value, beginning of year at Dec. 31, 2017	6	6			6
Beginning of year at Dec. 31, 2017	16,518	13,421	3,097	0		1,298		12,225	(108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from parent						695
Purchase of treasury stock				(57)
Issuance of treasury stock				1				(1)
Purchase of AllianceBernstein Units from noncontrolling interest						17
Changes in capital in excess of par value			(88)			15
Net income (loss) attributable to Holdings	(118)							(118)
Stockholder dividends								(88)
Other comprehensive income (loss)	(1,472)		15						(1,487)
Repurchase of AB Holding units			(29)
Net earnings (loss) attributable to noncontrolling interest			251
Dividends paid to noncontrolling interest			(284)
Purchase of AB Units by Holdings			(1,521)
Common stock, at par value, end of year at Sep. 30, 2018	6				6
End of year at Sep. 30, 2018	13,871	12,411	1,460	(56)		2,025		12,031	(1,595)
Beginning of year at Mar. 31, 2018	16,582	13,547						12,437
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Holdings	164
End of year at Jun. 30, 2018	14,851	13,364						12,601
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Holdings	(496)
Other comprehensive income (loss)	(284)								(284)
Common stock, at par value, end of year at Sep. 30, 2018	6				$ 6
End of year at Sep. 30, 2018	13,871	$ 12,411	$ 1,460	$ (56)		$ 2,025		$ 12,031	$ (1,595)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury shares, at cost	$ (56)
[1]	Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 stock split effected on April 24, 2018.

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended				12 Months Ended
	Sep. 30, 2018		Sep. 30, 2017		Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Statement of Cash Flows [Abstract]
Net income (loss)	$ 155		$ 630		$ 1,257		$ 1,649		$ 650
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Interest credited to policyholders’ account balances	817		743		995		967		934
Policy charges and fee income	(2,881)		(2,810)		(3,693)		(3,729)		(3,628)
(Income) loss related to derivative instruments	2,288		(232)		(214)		1,848		1,404
Investment (gains) losses, net	(45)		32		191		(1,983)		15
Realized and unrealized (gains) losses on trading securities	266		(269)		(266)		63		128
Non-cash Pension restructuring	105		27
Amortization of deferred cost of reinsurance asset	18		11		0		0
Amortization of deferred sales commission	17		25
Other depreciation and amortization	(57)		(121)
Changes in goodwill	0		370		369
Distributions from joint ventures and limited partnerships	63		94		140		582		199
Changes in:
Net broker-dealer and customer related receivables/payables	415		84		(278)		608		(39)
Reinsurance recoverable	92		115
Segregated cash and securities, net	(438)		157		130		(381)		(89)
Deferred policy acquisition costs	(338)		(150)		(184)		82		(292)
Future policy benefits	(620)		1,587		1,599		272		668
Current and deferred income taxes	249		498		767		(217)		(168)
Other, net	(139)		253		127		(128)		(159)
Non-cash long term incentive compensation expense					185		152		176
Amortization and depreciation					(104)		(21)		9
Net cash provided by (used in) operating activities	(33)		1,044		1,021		(236)		(192)
Proceeds from the sale/maturity/prepayment of:
Fixed maturities, available for sale	7,476		4,495		11,339		8,606		5,349
Mortgage loans on real estate	375		696		934		676		609
Trading account securities	6,937		6,938		11,231		7,841		19,864
Other	335		172		228		64		181
Real estate							1,828
Real estate joint ventures							136
Payment for the purchase/origination of:
Fixed maturities, available for sale	(7,513)		(4,901)		(15,166)		(10,688)		(5,179)
Mortgage loans on real estate	(1,485)		(1,535)		(2,108)		(3,278)		(1,311)
Trading account securities	(8,103)		(9,660)		(13,328)		(10,283)		(21,053)
Other	(166)		(207)		(296)		(192)		(148)
Real estate							(1)		(20)
Real estate joint ventures							(51)
Purchase of business, net of cash acquired	0		(132)		(130)		(21)
Cash settlements related to derivative instruments	(609)		(1,722)		(2,166)		(195)		602
Change in short-term investments	232		(512)		(342)		(485)		(961)
Repayments of loans to affiliates					15				90
Issuance of loans to affiliates							(12)		(275)
Investment in capitalized software, leasehold improvements and EDP equipment	(84)		(67)		(102)		(97)		(83)
Other, net	319		(133)		202		384		194
Net cash provided by (used in) investing activities	(1,056)		(6,568)		(9,689)		(5,768)		(2,141)
Purchase of business, net of cash acquired	0		(132)		(130)		(21)
Cash settlements related to derivative instruments	(609)		(1,722)		(2,166)		(195)		602
Decrease in loans to affiliates	1,230		0
Change in short-term investments	232		(512)		(342)		(485)		(961)
Investment in capitalized software, leasehold improvements and EDP equipment	(84)		(67)		(102)		(97)		(83)
Other, net	319		(133)		202		384		194
Net cash provided by (used in) investing activities	(1,056)		(6,568)		(9,689)		(5,768)		(2,141)
Policyholders’ account balances:
Deposits	8,372		6,135		10,591		10,001		5,255
Withdrawals	(4,170)		(2,765)		(6,140)		(2,976)		(2,934)
Transfers (to) from Separate Accounts	(335)		1,617		1,677		1,432		2,001
Change in short-term financings	(1,458)		125		600		(176)		30
Issuance of long-term debt	4,057		0
Repayments of loans from affiliates	(3,000)		(56)		(56)		(1,752)		(1,454)
Proceeds from loans from affiliates	0		109		731				694
Change in collateralized pledged assets	(31)		1,037		1,044		(991)		(45)
Change in collateralized pledged liabilities	36		815		1,246		15		(515)
(Decrease) increase in overdrafts payable	(39)		66		63		(85)		80
Capital contribution from parent	8		0		318
Shareholder dividend paid	(88)		0
Purchase of AB Units by Holdings	(1,330)
Purchase of treasury shares	(57)		0
Purchase of shares in consolidated subsidiaries	0		(24)
Repurchase of AB Holding units	(29)		0		(220)		(236)		(214)
Purchases (redemptions) of non-controlling interests of consolidated company-sponsored investment funds	(519)		(52)		120		(137)
Distribution to noncontrolling interests in consolidated subsidiaries	(284)		(265)		(348)		(294)		(337)
(Increase) decrease in securities purchased under agreement to resell	13		(309)				79		(79)
Purchases of AB Holding Units to fund long-term incentive compensation plan awards, net	(83)		(134)
Other, net	(2)		0		(59)		4		4
Net cash provided by (used in) financing activities	1,061		6,299		7,806		5,111		2,898
Effect of exchange rate changes on cash and cash equivalents	(9)		17		22		(10)		(10)
Change in cash and cash equivalents	(37)		792		(840)		(903)		555
Cash and cash equivalents, beginning of year	4,814	[1]	5,654	[1]	5,654	[1]	6,557		6,002
Cash and cash equivalents, end of period	4,777	[2]	6,446		4,814	[1]	5,654	[1]	6,557
Non-cash transactions during the period
Capital contribution from Parent	622		0
(Settlement) issuance of long-term debt	(202)		202
Transfer of assets to reinsurer	(604)		0
Contribution of 0.5% minority interest in AXA Financial	65		0
Repayment of loans from affiliates	$ (622)		$ 0
Repayments of long-term debt									(200)
Increase (decrease) in securities sold under agreement to repurchase					(1,706)		227		612
Purchase of shares in consolidated subsidiaries					(55)
Supplemental cash flow information:
Interest paid					119		108		120
Income taxes (refunded) paid					$ 31		$ (385)		$ 94
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.

CONSOLIDATED STATEMENTS OF CA_2

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)	Sep. 30, 2018	Mar. 31, 2018
AXF
Minority interest in AXF (as a percent)	0.50%	0.50%

ORGANIZATION

ORGANIZATION	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
ORGANIZATION	ORGANIZATION Business AXA Equitable Holdings, Inc. (“Holdings” and, collectively with its consolidated subsidiaries, the “Company”) is the holding company for a diversified financial services organization. In May 2017, AXA S.A. (“AXA”), a French holding company for the AXA Group, a worldwide leader in life, property and casualty, and health insurance and asset management, announced its intention to pursue the sale of a minority stake in Holdings through an initial public offering (the “IPO”). On May 14, 2018 , Holdings completed the IPO in which AXA sold 157,837,500 shares of Holdings common stock to the public. As of September 30, 2018 , AXA owns approximately 72% of the outstanding common stock of Holdings. The Company conducts operations in four segments: Individual Retirement, Group Retirement, Investment Management and Research, and Protection Solutions. The Company’s management evaluates the performance of each of these segments independently. • The Individual Retirement segment offers a diverse suite of variable annuity products which are primarily sold to affluent and high net worth individuals saving for retirement or seeking retirement income. • The Group Retirement segment offers tax-deferred investment and retirement plans sponsored by educational entities, municipalities and not-for-profit entities as well as small and medium-sized businesses. • The Investment Management and Research segment provides diversified investment management, research and related solutions globally to a broad range of clients through three main client channels—Institutional, Retail and Private Wealth Management—and distributes its institutional research products and solutions through Bernstein Research Services. The Investment Management and Research segment reflects the business of AllianceBernstein Holding L.P. (“AB Holding”), AllianceBernstein L.P. (“ABLP”) and their subsidiaries (collectively, “AB”). • The Protection Solutions segment includes the Company’s life insurance and group employee benefits businesses. The life insurance business offers a variety of variable universal life, indexed universal life and term life products to help affluent and high net worth individuals, as well as small and medium-sized business owners, with their wealth protection, wealth transfer and corporate needs. Our group employee benefits business offers a suite of life, short- and long-term disability, dental and vision insurance products to small and medium-size businesses across the United States. The Company reports certain activities and items that are not included in our segments in Corporate and Other. Corporate and Other includes certain of our financing and investment expenses. It also includes: the AXA Advisors broker-dealer business, closed block of life insurance (the “Closed Block”), run-off variable annuity reinsurance business, run-off group pension business, run-off health business, benefit plans for our employees, certain strategic investments and certain unallocated items, including capital and related investments, interest expense and corporate expense. AB’s results of operations are reflected in the Investment Management and Research segment. Accordingly, Corporate and Other does not include any items applicable to AB. On April 23, 2018, Holdings purchased 8,160,000 units of limited partnership in ABLP (“AB Units”) from Coliseum Reinsurance Company (“Coliseum”), an affiliate. In addition, Holdings acquired AXA-IM Holding US Inc., which owns 41,934,582 AB Units. As a result of these two transactions , the Company’s economic interest increased to approximately 65 % . At December 31, 2017 , the Company’s economic interest in AB was approximately 47% . The general partner of AB, AllianceBernstein Corporation (the “General Partner”), is a wholly-owned subsidiary of the Company. Because the General Partner has the authority to manage and control the business of AB, AB is consolidated in the Company’s financial statements for all periods. In March 2018, AXA contributed the 0.5% minority interest in AXA Financial, Inc. (“AXA Financial”) to Holdings so that Holdings now owns 100% of AXA Financial. On October 1, 2018 AXA Financial merged with and into its direct parent, Holdings, with Holdings continuing as the surviving entity. See Note 20 for further information. Basis of Presentation The Unaudited Interim Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) on a basis consistent with reporting interim financial information in accordance with instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission (“SEC”). Intercompany balances and transactions have been eliminated. In the opinion of management, all adjustments necessary for a fair statement of the financial position and results of operations have been made. All such adjustments are of a normal, recurring nature. Interim results are not necessarily indicative of the results that may be expected for the full year. These financial statements should be read in conjunction with the Company’s Consolidated Financial Statements included in Holdings’ prospectus for the year ended December 31, 2017 dated May 9, 2018 filed with the SEC pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended, on May 11, 2018 (the “Prospectus”). The terms “ third quarter 2018 ” and “ third quarter 2017 ” refer to the three months ended September 30, 2018 and 2017 , respectively. The terms “first nine months of 2018 ” and “first nine months of 2017 ” refer to the nine months ended September 30, 2018 and 2017 , respectively.	1) ORGANIZATION Business AXA Equitable Holdings, Inc. (“Holdings” and, collectively with its consolidated subsidiaries, the “Company”) is a diversified financial services company. The Company is a direct, wholly-owned subsidiary of AXA S.A. (“AXA”), a French holding company for the AXA Group, a worldwide leader in life, property and casualty and health insurance and asset management. The Company conducts operations in four segments: Individual Retirement, Group Retirement, Investment Management and Research, and Protection Solutions. The Company’s management evaluates the performance of each of these segments independently. • The Individual Retirement segment offers a diverse suite of variable annuity products which are primarily sold to affluent and high net worth individuals saving for retirement or seeking retirement income. • The Group Retirement segment offers tax-deferred investment and not-for-profit entities and medium-sized businesses. • The Investment Management and Research segment provides diversified investment management, research and related solutions globally to a broad range of clients through three main client channels – Institutional, Retail and Private Wealth Management – and distributes its institutional research products and solutions through Bernstein Research Services. The Investment Management and Research segment reflects the business of AllianceBernstein Holding L.P. (“AB Holding”), AllianceBernstein L.P. (“ABLP”) and their subsidiaries (collectively, “AB”). • The Protection Solutions segment includes the Company’s life insurance and group employee benefits businesses. The life insurance business offers a variety of variable universal life, indexed universal life and term life products to help affluent and high net worth individuals, as well as small and medium-sized business and medium-size businesses The Company reports certain activities and items that are not included in our segments in Corporate and Other. Corporate and Other includes certain of our financing and investment expenses. It also includes: the AXA Advisors broker-dealer business, closed block of life insurance (the “Closed Block”), run-off run-off run-off At December 31, 2017 and 2016, the Company’s economic interest in AB was 46.7% and 45.8%, respectively. At December 31, 2017 and 2016, respectively, AXA and its subsidiaries’ economic interest in AB (including the Company’s interest) was approximately 64.7% and 63.7%. The general partner of AB, AllianceBernstein Corporation (the “General Partner”), is a wholly-owned subsidiary of the Company. Because the General Partner has the authority to manage and control the business of AB, AB is consolidated in the Company’s financial statements for all periods. Restatement and Revision of Prior Period Financial Statements As previously reported, management identified errors in its previously issued financial statements. These errors primarily relate to errors in the calculation of policyholders’ benefit reserves and the calculation of DAC amortization for certain variable and interest sensitive life products, primarily attributable to corrections in actuarial modeling methodology changes, calculations and inputs as well as journal entry processing. Based on quantitative and qualitative factors, management determined that the impact of the errors was material to the consolidated financial statements as of and for the year ended December 31, 2016, which therefore were restated herein and discussed below. The impact of these errors to the consolidated financial statements for the year ended December 31, 2015 was not considered to be material either individually or in the aggregate. In order to improve the consistency and comparability of the financial statements, management revised the consolidated statements of income (loss), statements of comprehensive income (loss), statements of equity and statements of cash flows for the year ended December 31, 2015 to include the revisions discussed below. Additional errors identified In addition, during the preparation of its third quarter financial statements, management identified incremental errors in its previously issued financial statements. These errors primarily relate to the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of net derivative gains (losses) and DAC amortization for certain variable and interest sensitive life products. The impact of these incremental errors identified in the current quarter were also corrected in the restated financial statements for the year ended December 31, 2016. Additionally, management has determined to revise the years ended December 31, 2017 and 2015 in order to improve the consistency and comparability of the financial statements as summarized below. December 31, 2017 As Previously Impact of As Revised (in millions) Assets: Deferred policy acquisition costs $ 5,969 $ (50 ) $ 5,919 Current and deferred income taxes 67 17 84 Total Assets 235,648 (33 ) 235,615 Liabilities: Future policy benefits and other policyholders’ liabilities 30,299 31 30,330 Total Liabilities 218,440 31 218,471 Equity: Retained earnings 12,289 (64 ) 12,225 Total equity attributable to Holdings 13,485 (64 ) 13,421 Total Equity 16,582 (64 ) 16,518 Total Liabilities, redeemable noncontrolling interest and equity $ 235,648 $ (33 ) $ 235,615 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Statement of Income (Loss): Revenues: Policy charges and fee income $ 3,733 $ (40 ) $ 3,693 Net derivative gains (losses) 228 (14 ) 214 Total revenues 12,514 (54 ) 12,460 Benefits and other deductions: Policyholders’ benefits 4,354 12 4,366 Interest credited to Policyholder’s account balances 1,108 (113 ) 995 Amortization of deferred policy acquisition costs (239 ) 55 (184 ) Total benefits and other deductions 11,200 (46 ) 11,154 Income (loss) from operations, before income taxes 1,314 (8 ) 1,306 Income tax (expense) benefit (41 ) (8 ) (49 ) Net income (loss) 1,273 (16 ) 1,257 Net income (loss) attributable to Holdings $ 850 $ (16 ) $ 834 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 1,273 $ (16 ) $ 1,257 Comprehensive income (loss) 2,105 (16 ) 2,089 Comprehensive income (loss) attributable to Holdings $ 1,663 $ (16 ) $ 1,647 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 11,439 $ (48 ) $ 11,391 Net income (loss) attributable to Holdings 850 (16 ) 834 Retained earnings, end of period 12,289 (64 ) 12,225 Total Holdings’ equity, end of year 13,485 (64 ) 13,421 Total equity, end of year $ 16,582 $ (64 ) $ 16,518 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Consolidated Statement of Cash Flows: Cash flow from operating activities: Net income (loss) $ 1,273 $ (16 ) $ 1,257 Policy charges and fee income (3,733 ) 40 (3,693 ) Interest credited to policyholders’ account balances 1,108 (113 ) 995 Net derivative (gains) loss (228 ) 14 (214 ) Deferred Policy Acquisition costs (239 ) 55 (184 ) Changes in: Future policy benefits 1,587 12 1,599 Current and deferred income taxes 759 8 767 Net cash provided by (used in) operating activities $ 1,021 $ — $ 1,021 December 31, 2016 As Previously Impact of As (In millions) Assets: Deferred policy acquisition costs 5,971 78 6,049 Loans to affiliates 1,257 (11 ) 1,246 Current and deferred income taxes 531 (9 ) 522 Total assets $ 216,587 $ 58 $ 216,645 Liabilities: Future policyholders’ benefits and other policyholders’ liabilities 30,346 11 30,357 Total liabilities 201,682 11 201,693 Equity: Capital in excess of par value(1) 942 (11 ) 931 Retained earnings 11,356 35 11,391 Accumulated other comprehensive income (loss) (943 ) 22 (921 ) Total equity attributable to Holdings 11,361 46 11,407 Noncontrolling interest 3,141 1 3,142 Total equity 14,502 47 14,549 Total liabilities, redeemable noncontrolling interest and equity $ 216,587 $ 58 $ 216,645 (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 As Previously Impact of As As Year Ended Year Ended Year Ended 2016 2015 2016 (1) 2015 (2) 2016 2015 (In millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 3,759 $ 3,648 $ (30 ) $ (20 ) $ 3,729 $ 3,628 Premiums 1,063 1,058 20 12 1,083 1,070 Net derivative gains (losses) (1,720 ) (1,393 ) (128 ) (11 ) (1,848 ) (1,404 ) Total revenues 11,901 10,062 (138 ) (19 ) 11,763 10,043 Benefits and other deductions: Policyholders’ benefits 3,317 3,489 25 12 3,342 3,501 Interest credited to policyholder’s account balances 1,102 956 (135 ) (22 ) 967 934 Amortization of deferred policy acquisition costs, net 213 (302 ) (131 ) 10 82 (292 ) Total benefits and other deductions 9,977 9,615 (241 ) — 9,736 9,615 Income (loss) from operations, before income taxes 1,924 447 103 (19 ) 2,027 428 Income tax (expense) benefit (354 ) 212 (24 ) 10 (378 ) 222 Net income (loss) 1,570 659 79 (9 ) 1,649 650 Less: net (income) loss attributable to the noncontrolling interest (373 ) (329 ) (22 ) 4 (395 ) (325 ) Net income (loss) attributable to Holdings $ 1,197 $ 330 $ 57 $ (5 ) $ 1,254 $ 325 Statements of Comprehensive Income (Loss): Net income (loss) $ 1,570 $ 659 $ 79 $ (9 ) $ 1,649 $ 650 Change in unrealized gains (losses), net of reclassification adjustment (297 ) (939 ) 23 — (274 ) (939 ) Total other comprehensive income (loss), net of income taxes (281 ) (929 ) 23 — (258 ) (929 ) Comprehensive income (loss) 1,289 (270 ) 102 (9 ) 1,391 (279 ) Less: Comprehensive (income) loss attributable to noncontrolling interest (359 ) (315 ) (22 ) 4 (381 ) (311 ) Comprehensive income (loss) attributable to AXA Equitable Holdings $ 930 $ (585 ) $ 80 $ (5 ) $ 1,010 $ (590 ) (1) As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18) (2) As discussed above, the revised financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(13); (b) Net income (loss) $(8); (c) Comprehensive income (loss) $(8) As Previously Impact of As As Year Ended Year Ended Year Ended 2016 2015 2016 2015 2016 2015 (In millions) Statements of Equity: Capital in excess of par value, beginning of year (1) $ 952 873 $ (11 ) $ (11 ) $ 941 $ 862 Capital in excess of par value, end of year 942 952 (11 ) (11 ) 931 941 Retained earnings, beginning of year 10,159 9,829 (22 ) (17 ) 10,137 9,812 Stockholder dividends — — Net income (loss) attributable to Holdings 1,197 330 57 (5 ) 1,254 325 Retained earnings, end of period 11,356 10,159 35 (22 ) 11,391 10,137 Other comprehensive income (loss) (266 ) (915 ) 22 — (244 ) (915 ) Accumulated other comprehensive income (loss), end of year (943 ) (677 ) 22 — (921 ) (677 ) Total Holding’s equity, end of period 11,361 10,440 46 (33 ) 11,407 10,407 Noncontrolling interest, beginning of year 3,129 3,168 (21 ) (17 ) 3,108 3,151 Net income attributable to noncontrolling interest 369 329 — (4 ) 369 325 Other changes in noncontrolling interest 79 101 22 — 101 101 Noncontrolling interest, end of year 3,141 3,129 1 (21 ) 3,142 3,108 Total Equity, End of Period $ 14,502 $ 13,569 $ 47 $ (54 ) $ 14,549 $ 13,515 Statements of Cash flows: Cash flow from operating activities: Net income (loss) $ 1,570 $ 659 $ 79 $ (9 ) $ 1,649 $ 650 Policy charges and fee income (3,759 ) (3,648 ) 30 20 (3,729 ) (3,628 ) Interest credited to policyholders’ account balances 1,102 956 (135 ) (22 ) 967 934 Net derivative (gains) loss 1,720 1,393 128 11 1,848 1,404 Changes in: Future policy benefits 266 669 6 (1 ) 272 668 Deferred policy acquisition costs 213 (302 ) (131 ) 10 82 (292 ) Current and deferred income taxes (240 ) (159 ) 23 (9 ) (217 ) (168 ) Net cash provided by (used in) operating activities $ (236 ) $ (192 ) $ — $ — $ (236 ) $ (192 ) (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1

SIGNIFICANT ACCOUNTING POLICIES

SIGNIFICANT ACCOUNTING POLICIES	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
SIGNIFICANT ACCOUNTING POLICIES	SIGNIFICANT ACCOUNTING POLICIES Adoption of New Accounting Pronouncements Standard Description Effect on the Financial Statement or Other Significant Matters ASU 2014-09 Revenue from Contracts with Customers (Topic 606) This ASU contains new guidance that clarifies the principles for recognizing revenue arising from contracts with customers and develops a common revenue standard for U.S. GAAP and IFRS. On January 1, 2018, the Company adopted the new revenue recognition guidance on a modified retrospective basis. Adoption did not change the amounts or timing of the Company’s revenue recognition for base investment management and advisory fees, distribution revenues, shareholder servicing revenues, and broker-dealer revenues. Some performance-based fees and carried-interest distributions that were recognized prior to adoption when no risk of reversal remained, in certain instances may now be recognized earlier if it is probable that significant reversal will not occur. On January 1, 2018, the Company recognized a cumulative effect adjustment, net of tax, to increase opening equity attributable to Holdings and the noncontrolling interest by approximately $13 million and $19 million, respectively, reflecting the impact of carried-interest distributions previously received by AB of approximately $78 million, net of revenue sharing payments to investment team members of approximately $43 million, for which it is probable that significant reversal will not occur and for which incremental tax is provided at Holdings. Standard Description Effect on the Financial Statement or Other Significant Matters ASU 2016-01 Financial Instruments - Overall (Subtopic 825-10) This ASU provides new guidance related to the recognition and measurement of financial assets and financial liabilities. The new guidance primarily affects the accounting for equity investments, financial liabilities under the fair value option, and presentation and disclosure requirements for financial instruments. The FASB also clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on AFS debt securities. The new guidance requires equity investments in unconsolidated entities, except those accounted for under the equity method, to be measured at fair value through earnings, thereby eliminating the AFS classification for equity securities with readily determinable fair values for which changes in fair value currently are reported in AOCI. On January 1, 2018, the Company adopted the new recognition requirements on a modified retrospective basis for changes in the fair value of AFS equity securities, resulting in no material reclassification adjustment from AOCI to opening retained earnings for the net unrealized gains, net of tax, related to approximately $46 million common stock securities and eliminated their designation as AFS equity securities. The Company does not currently report any of its financial liabilities under the fair value option. ASU 2016-15 Statement of Cash Flows (Topic 230 ) This ASU provides new guidance to simplify elements of cash flow classification. The new guidance is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. The new guidance requires application of a retrospective transition method. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. ASU 2017-07 Compensation - Retirement Benefits (Topic 715) This ASU provides new guidance on the presentation of net periodic pension and post-retirement benefit costs that requires retrospective disaggregation of the service cost component from the other components of net benefit costs on the income statement. On January 1, 2018, the Company adopted the change in the income statement presentation utilizing the practical expedient for determining the historical components of net benefit costs, resulting in no material impact to the consolidated financial statements. In addition, no changes to the Company’s capitalization policies with respect to benefit costs resulted from the adoption of the new guidance. ASU 2017-09 Compensation - Stock Compensation (Topic 718) This ASU provides clarity and reduces both 1) diversity in practice and 2) cost and complexity when applying guidance in Topic 718, Compensation - Stock Compensation , to a change to the terms or conditions of a share-based payment award. Adoption of this amendment on January 1, 2018 did not have a material impact on the Company’s consolidated financial statements. Future Adoption of New Accounting Pronouncements Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-14 Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20) This ASU improves the effectiveness of disclosures related to defined benefit plans in the notes to the financial statements. Amendments in ASU 2018-14 remove disclosures that are no longer considered cost beneficial, clarify the specific requirements of disclosures, and add new, relevant disclosure requirements. Effective for fiscal years ending after December 15, 2020, for public business entities. Early adoption is permitted. Amendments should be applied on a retrospective basis to all periods presented. Management currently is evaluating the impact of the guidance on the Company’s financial statement disclosures but has concluded that this guidance will not impact the Company’s consolidated financial position or results of operations. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-13 Fair Value Measurement (Topic 820) This ASU improves the effectiveness of fair value disclosures in the notes to financial statements. Amendments in this ASU modify disclosure requirements in Topic 820, including the removal of certain disclosure requirements, modification of certain disclosures, and the addition of new requirements. Effective for fiscal years beginning after December 15, 2019, for public business entities. Early adoption is permitted, with the option to early adopt amendments to remove or modify disclosures, with full adoption of additional requirements delayed until their effective date. Amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively. All other amendments should be applied retrospectively. Management currently is evaluating the impact of the guidance on the Company’s financial statement disclosures but has concluded that this guidance will not impact the Company’s consolidated financial position or results of operations. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-12 Financial Services - Insurance (Topic 944) This ASU provides targeted improvements to existing recognition, measurement, presentation, and disclosure requirements for long-duration contracts issued by an insurance entity. The ASU primarily impacts four key areas, including: – Measurement of the liability for future policy benefits for traditional and limited payment contracts. The ASU requires companies to review, and if necessary update, cash flow assumptions at least annually for non-participating traditional and limited-payment insurance contracts. Interest rates used to discount the liability will need to be updated quarterly using an upper medium grade (low credit risk) fixed-income instrument yield. – Measurement of market risk benefits (“MRBs”). MRBs, as defined under the ASU, will encompass certain GMxB features associated with variable annuity products and other general account annuities with other than nominal market risk. The ASU requires MRBs to be measured at fair value with changes in value attributable to changes in instrument-specific credit risk recognized in OCI. – Amortization of deferred acquisition costs. The ASU simplifies the amortization of deferred acquisition costs and other balances amortized in proportion to premiums, gross profits, or gross margins, requiring such balances to be amortized on a constant level basis over the expected term of the contracts. Deferred costs will be required to be written off for unexpected contract terminations but will not be subject to impairment testing. – Expanded footnote disclosures . The ASU requires additional disclosures including disaggregated rollforwards of beginning to ending balances of the liability for future policy benefits, policyholder account balances, MRBs, separate account liabilities and deferred acquisition costs. Companies will also be required to disclose information about significant inputs, judgements, assumptions and methods used in measurement. Effective date for public business entities for fiscal years and interim periods with those fiscal years, beginning after December 31, 2020. Early adoption is permitted. – For the liability for future policyholder benefits for traditional and limited payment contracts, companies can elect one of two adoption methods. Companies can either elect a modified retrospective transition method applied to contracts in force as of the beginning of the earliest period presented on the basis of their existing carrying amounts, adjusted for the removal of any related amounts in AOCI or a full retrospective transition method using actual historical experience information as of contract inception. The same adoption method must be used for deferred acquisition costs. – For MRBs, the ASU should be applied retrospectively as of the beginning of the earliest period presented. – For deferred acquisition costs, companies can elect one of two adoption methods. Companies can either elect a modified retrospective transition method applied to contracts in force as of the beginning of the earliest period presented on the basis of their existing carrying amounts, adjusted for the removal of any related amounts in AOCI or a full retrospective transition method using actual historical experience information as of contract inception. The same adoption method must be used for the liability for future policyholder benefits for traditional and limited payment contracts. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements, however the adoption of the ASU is expected to have a significant impact on our consolidated financial condition, results of operations, cash flows and required disclosures, as well as processes and controls. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-07 , Compensation - Stock Compensation (Topic 718) This ASU contains new guidance that largely aligns the accounting for share-based payment awards issued to employees and non-employees. Effective for public business entities for fiscal years beginning after December 15, 2018, including interim periods, with early adoption permitted. The Company has granted share-based payment awards only to employees as defined by accounting guidance and does not expect this guidance will have a material impact on its consolidated financial statements. ASU 2018-02 Income Statement - Reporting Comprehensive Income This ASU contains new guidance that permits, but does not require, entities to reclassify to retained earnings tax effects “stranded” in AOCI resulting from the change in federal tax rate enacted by the Tax Cuts and Jobs Act (the “Tax Reform Act”) on December 22, 2017. If elected, these stranded tax effects for all items must be reclassified in AOCI, including, but not limited to, AFS securities and employee benefits. Effective for interim and annual periods beginning after December 15, 2018, with early adoption permitted. Election can be made either to apply the new guidance retrospectively to each period in which the effect of the Tax Reform Act is recognized or in the period of adoption. Management currently is evaluating the options provided for adopting this guidance and the potential impacts on the Company’s consolidated financial statements. ASU 2017-12 Derivatives and Hedging (Topic 815) The amendments in this ASU better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. Effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early application permitted. The effect of adoption should be reflected as of the beginning of the fiscal year of adoption. Management does not expect this guidance will have a material impact on the Company’s consolidated financial statements. ASU 2017-08 , Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20) This ASU requires certain premiums on callable debt securities to be amortized to the earliest call date and is intended to better align interest income recognition with the manner in which market participants price these instruments. Effective for interim and annual periods beginning after December 15, 2018, with early adoption permitted and is to be applied on a modified retrospective basis. Management does not expect this guidance will have a material impact on the Company’s consolidated financial statements. ASU 2016-13 Financial Instruments - Credit Losses (Topic 326) This ASU contains new guidance which introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. Effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, for public business entities. Early adoption is permitted as of the fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. These amendments should be applied through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2016-02 Leases (Topic 842) This ASU contains revised guidance to lease accounting that will require lessees to recognize on the balance sheet a “right-of-use” asset and a lease liability for virtually all lease arrangements, including those embedded in other contracts. Lessor accounting will remain substantially unchanged from the current model but has been updated to align with certain changes made to the lessee model. Effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, for public business entities. Early application is permitted. Lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach, which includes optional practical expedients that entities may elect to apply. The Company expects to adopt ASU 2016-02, as well as other related clarifications and interpretive guidance issued by the FASB, when it becomes effective on January 1, 2019. The Company identified its significant existing leases, which primarily include real estate leases for office space, that will be impacted by the new guidance. The Company expects to implement new accounting processes and internal controls to meet the requirements for financial reporting and disclosures of its leases. The Company expects these evaluation and implementation activities will continue throughout 2018 prior to the effective date of adoption on January 1, 2019. The Company plans to elect the optional modified retrospective transition method to apply the provisions of the new standard, which will result in a cumulative-effect adjustment to opening retained earnings in the period of adoption. Under this transition method, the Company would not recast prior financial statements. Revenue Recognition Investment Management and Service Fees and Related Expenses Reported as Investment management and service fees in the Company’s consolidated statements of income (loss) are investment advisory and service fees, distribution revenues, and institutional research services revenues principally emerging from the Investment Management and Research segment. Also included are investment management and administrative service fees earned by AXA Equitable Funds Management Group, LLC (“AXA Equitable FMG”) and reported in the Individual Retirement, Group Retirement and Protection Solutions segments as well as certain asset-based fees associated with insurance contracts. Investment management, advisory, and service fees AB provides asset management services by managing customer assets and seeking to deliver returns to investors. Similarly, AXA Equitable FMG provides investment management and administrative services, such as fund accounting and compliance services, to AXA Premier VIP Trust (“VIP Trust”), EQ Advisors Trust (“EQAT”) and 1290 Funds as well as two private investment trusts established in the Cayman Islands, AXA Allocation Funds Trust and AXA Offshore Multimanager Funds Trust (collectively, the “Other AXA Trusts”). The contracts supporting these revenue streams create a distinct, separately identifiable performance obligation for each day the assets are managed for the performance of a series of services that are substantially the same and have the same pattern of transfer to the customer. Accordingly, these investment management, advisory, and administrative service base fees are recorded over time as services are performed and entitle the Company to variable consideration. Base fees, generally calculated as a percentage of assets under management (“AUM”), are recognized as revenue at month-end when the transaction price no longer is variable and the value of the consideration is determined. These fees are not subject to claw back and there is minimal probability that a significant reversal of the revenue recorded will occur. Certain investment advisory contracts of AB, including those associated with hedge funds or other alternative investments, provide for a performance-based fee (including carried interest), in addition to a base advisory fee, calculated either as a percentage of absolute investment results or a percentage of investment results in excess of a stated benchmark over a specified period of time. These performance-based fees are forms of variable consideration and, therefore, are excluded from the transaction price until it becomes probable there will not be significant reversal of the cumulative revenue recognized. At each reporting date, the Company evaluates constraining factors surrounding the variable consideration to determine the extent to which, if any, revenues associated with the performance-based fee can be recognized. Constraining factors impacting the amount of variable consideration included in the transaction price include contractual claw-back provisions, the length of time of the uncertainty, the number and range of possible amounts, the probability of significant fluctuations in the fund’s market value, and the level in which the fund’s value exceeds the contractual threshold required to earn such a fee and the materiality of the amount being evaluated. Prior to adoption of the new revenue recognition guidance on January 1, 2018, the Company recognized performance-based fees at the end of the applicable measurement period when no risk of reversal remained, and carried-interest distributions received as deferred revenues until no risk of reversal remained. Sub-advisory and sub-administrative expenses associated with these services are calculated and recorded as the related services are performed in Other operating costs and expense in the consolidated statements of income (loss) as the Company is acting in a principal capacity in these transactions and, as such, reflects these revenues and expenses on a gross basis. Research services Research services revenue principally consists of brokerage transaction charges received by Sanford C. Bernstein & Co. LLC (“SCB LLC”), Sanford C. Bernstein Limited (“SCBL”) and AB’s other sell side subsidiaries for providing equity research services to institutional clients. Brokerage commissions for trade execution services and related expenses are recorded on a trade-date basis when the performance obligations are satisfied. Generally, the transaction price is agreed upon at the point of each trade and based upon the number of shares traded or the value of the consideration traded. Research revenues are recognized when the transaction price is quantified, collectability is assured, and significant reversal of such revenue is not probable. Distribution services Revenues from distribution services include fees received as partial reimbursement of expenses incurred in connection with the sale of certain AB sponsored mutual funds and the 1290 Funds and for the distribution primarily of EQAT and VIP Trust shares to separate accounts in connection with the sale of variable life and annuity contracts. The amount and timing of revenues recognized from performance of these distribution services often is dependent upon the contractual arrangements with the customer and the specific product sold as further described below. Most open-end management investment companies, such as U.S. funds and the EQAT and VIP Trusts and the 1290 Funds, have adopted a plan under Rule 12b-1 of the Investment Company Act that allows for certain share classes to pay out of assets, distribution and service fees for the distribution and sale of its shares (“12b-1 Fees”). These open-end management investment companies have such agreements with the Company, and the Company has selling and distribution agreements pursuant to which it pays sales commissions to the financial intermediaries that distribute the shares. These agreements may be terminated by either party upon notice (generally 30 days) and do not obligate the financial intermediary to sell any specific amount of shares. The Company records 12b-1 fees monthly based upon a percentage of the net asset value (“NAV”) of the funds. At month-end, the variable consideration of the transaction price is no longer constrained as the NAV can be calculated and the value of consideration is determined. These services are separate and distinct from other asset management services as the customer can benefit from these services independently of other services. The Company accrues the corresponding 12b-1 fees paid to sub-distributors monthly as the expenses are incurred. The Company is acting in a principal capacity in these transactions; as such, these revenues and expenses are recorded on a gross basis in the consolidated statements of income (loss). AB sponsored mutual funds offer back-end load shares in limited instances and charge the investor a contingent deferred sales charge (“CDSC”) if the investment is redeemed within a certain period. The variable consideration for these contracts is contingent upon the timing of the redemption by the investor and the value of the sales proceeds. Due to these constraining factors, the Company excludes the CDSC fee from the transaction price until the investor redeems the investment. Upon redemption, the cash consideration received for these contractual arrangements is recorded as a reduction of unamortized deferred sales commissions. AB’s Luxembourg subsidiary, the management company for most of its non-U.S. funds, earns a management fee which is accrued daily and paid monthly, at an annual rate, based on the average daily net assets of the fund. With respect to certain share classes, the management fee also may contain a component paid to distributors and other financial intermediaries and service providers to cover shareholder servicing and other administrative expenses (also referred to as an “All-in-Fee”). Based on the conclusion that asset management is distinct from distribution, the Company allocates a portion of the investment and advisory fee to distribution revenues for the servicing component based on standalone selling prices. Other revenues Also reported as Investment management and service fees in the Company’s consolidated statements of income (loss) are other revenues from contracts with customers, primarily consisting of shareholder servicing fees, mutual fund reimbursements, and other brokerage income. Shareholder services, including transfer agency, administration, and record-keeping are provided by AB to company-sponsored mutual funds. The consideration for these services is based on a percentage of the NAV of the fund or a fixed-fee based on the number of shareholder accounts being serviced. The revenues are recorded at month-end when the constraining factors involved with determining NAV or the numbers of shareholders’ accounts are resolved. Other income Revenues from contracts with customers reported as Other Income in the Company’s consolidated statements of income (loss) primarily consist of advisory account fees and brokerage commissions from the Company’s subsidiary broker-dealer operations and sales commissions from the Company’s general agent for the distribution of non-affiliate insurers’ life insurance and annuity products. These revenues are recognized at month-end when constraining factors, such as AUM and product mix, are resolved and the transaction pricing no longer is variable such that the value of consideration can be determined. Contract assets and liabilities The Company applies the practical expedient for contracts that have an original duration of one year or less. Accordingly, the Company accrues the incremental costs of obtaining a contract when incurred and does not consider the time value of money. At September 30, 2018 , there are no material balances of contract assets and contract liabilities; as such, no further disclosures are necessary. Accounting and Consolidation of Variable Interest Entities (“VIEs”) At September 30, 2018 , the Company held approximately $1.2 billion of investment assets in the form of equity interests issued by non-corporate legal entities determined under the guidance to be VIEs, such as limited partnerships and limited liability companies, including hedge funds, private equity funds, and real estate-related funds. As an equity investor, the Company is considered to have a variable interest in each of these VIEs as a result of its participation in the risks and/or rewards these funds were designed to create by their defined portfolio objectives and strategies. Primarily through qualitative assessment, including consideration of related party interests or other financial arrangements, if any, the Company was not identified as primary beneficiary of any of these VIEs, largely due to its inability to direct the activities that most significantly impact their economic performance. Consequently, the Company continues to reflect these equity interests in the consolidated balance sheets as Other equity investments and to apply the equity method of accounting for these positions. The net assets of these non-consolidated VIEs are approximately $166.1 billion , and the Company’s maximum exposure to loss from its direct involvement with these VIEs is the carrying value of its investment of $1.2 billion at September 30, 2018 . Except for approximately $783 million of unfunded commitments at September 30, 2018 , the Company has no further economic interest in these VIEs in the form of guarantees, derivatives, credit enhancements or similar instruments and obligations. At September 30, 2018 , the Company consolidated one real estate joint venture for which it was identified as primary beneficiary under the VIE model. The consolidated entity is jointly owned by AXA Equitable Life Insurance Company (“AXA Equitable Life”) and AXA France and holds an investment in a real estate venture. Included in the Company’s consolidated balance sheet at September 30, 2018 , are total assets of $37 million related to this VIE, primarily resulting from the consolidated presentation of $37 million of real estate held for production of income. In addition, real estate held for production of income reflects $ 17 million as related to two non-consolidated joint ventures at September 30, 2018 . Included in the Company’s consolidated balance sheet at September 30, 2018 are assets of $202 million , liabilities of $6 million and redeemable non-controlling interest of $80 million associated with the consolidation of AB-sponsored investment funds under the VIE model. Also included in the Company’s consolidated balance sheet at September 30, 2018 are assets of $121 million , liabilities of $3 million and redeemable non-controlling interest of $21 million from consolidation of AB-sponsored investment funds under the VOE model. The assets of these consolidated funds are presented within Other invested assets and cash and cash equivalents, and liabilities of these consolidated funds are presented with other liabilities on the face of the Company’s consolidated balance sheet at September 30, 2018 ; ownership interests not held by the Company relating to consolidated VIEs and VOEs are presented either as redeemable or non-redeemable noncontrolling interest, as appropriate. As of September 30, 2018 , the net assets of AB-sponsored investment products that are non-consolidated VIEs are approximately $58.2 billion , and the Company’s maximum risk of loss is its investment of $6 million in these VIEs and its advisory fee receivables from these VIEs, which are not material. Restatement and Revision of Prior Period Financial Statements As described in the Prospectus, management identified errors in its previously issued financial statements. These errors primarily relate to errors in the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of DAC amortization for certain variable and interest sensitive life products. Based upon quantitative and qualitative factors, management determined that the impact of the errors was material to the consolidated financial statements as of and for the nine months ended September 30, 2017. Management included in the Prospectus summarized financial information for the restated consolidated balance sheets as of September 30, 2017 and the related consolidated statements of income (loss), statements of comprehensive income (loss), statements of equity and statements of cash flow for the nine months ended September 30, 2017 that reflect restatements related to these errors. In addition, during the preparation of its third quarter financial statements, management identified errors in its previously issued financial statements. These errors primarily relate to the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of net derivative gains (losses) and DAC amortization for certain variable and interest sensitive life products. The impact of these additional errors identified in the current quarter were also corrected in the restated financial statements as of and for the nine months ended September 30, 2017. Additionally, in order to improve the consistency and comparability of the financial statements, management has determined to revise the three and six months ended March 31, 2018 and June 30, 2018, respectively, and the three and six months ended March 31, 2017 and June 30, 2017, respectively and the year ended December 31, 2017. See Note 19 for details of the restatements and revisions.	2) SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Principles of Consolidation The preparation of the accompanying consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions (including normal, recurring accruals) that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates. The accompanying consolidated financial statements reflect all adjustments necessary in the opinion of management for a fair presentation of the consolidated financial position of the Company and its consolidated results of operations and cash flows for the periods presented. AXA announced on May 10, 2017 that it intended to sell a minority stake in the Company in an initial public offering. These financial statements were prepared in connection with the proposed transaction. The accompanying consolidated financial statements present the consolidated results of operations, financial condition, and cash flows of the Company and its subsidiaries and those investment companies, partnerships and joint ventures in which the Company has control and a majority economic interest as well as those variable interest entities (“VIEs”) that meet the requirements for consolidation. The financial statements were prepared on a consolidated basis as operations have been under the common control of AXA. Financial results in the historical consolidated financial statements may not be indicative of the results of operations, comprehensive income (loss), financial position, equity or cash flows that would have been achieved had we operated as a separate, standalone entity during the reporting periods presented. We believe that the consolidated financial statements include all adjustments necessary for a fair presentation of the results of operations of the Company. On April 24, 2018, the Company filed a Certificate of Amendment to amend its Certificate of Incorporation, authorizing the issuance of 2,000,000,000 shares of common stock, par value $0.01 per share, and effecting a 459.4752645-for-1 All significant intercompany transactions and balances have been eliminated in consolidation. The years “2017,” “2016” and “2015” refer to the years ended December 31, 2017, 2016 and 2015, respectively. Adoption of New Accounting Pronouncements In January 2017, the Financial Accounting Standards Board (“FASB”) issued new guidance that amends the definition of a business to provide a more robust framework for determining when a set of assets and activities is a business. The definition primarily adds clarity for evaluating whether certain transactions should be accounted for as acquisitions/dispositions of assets or businesses, the latter subject to guidance on business combinations, but also may interact with other areas of accounting where the defined term is used, such as in the application of guidance on consolidation and goodwill impairment. The new guidance is effective for fiscal years ending December 31, 2018. The Company elected to early adopt the new guidance for the year ending December 31, 2016. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In January 2017, the FASB issued updated guidance to simplify the accounting for goodwill impairment on a prospective basis in years beginning after December 15, 2019, with early adoption permitted for impairment testing performed after January 1, 2017. The revised guidance removes Step 2 from the goodwill impairment testing model that currently requires a hypothetical purchase price allocation to assess goodwill recoverability when Step 1 testing demonstrates a reporting unit’s carrying value exceeds its fair value. Existing guidance that limits the measure of goodwill impairment to the carrying amount of the reporting unit’s goodwill remains unchanged by elimination of the requirement to perform Step 2 testing. The Company elected to early adopt the guidance effective January 1, 2017 for its first quarter 2017 interim goodwill recoverability assessments. As a result, the Company reduced the carrying value of its goodwill and increased other operating costs and expenses by $369 million as reflected in the December 31, 2017 consolidated financial statements. In October 2016, the FASB issued updated guidance on consolidation of interests held through related parties that are under common control, which alters how a decision maker needs to consider indirect interests in a VIE held through an entity under common control. The guidance amends the recently adopted consolidation guidance analysis. Under the new guidance, if a decision maker is required to evaluate whether it is the primary beneficiary of a VIE, it will need to consider only its proportionate indirect interest in the VIE held through a common control party. The Company adopted the revised guidance effective January 1, 2017. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In March 2016, the FASB issued new guidance simplifying the transition to the equity method of accounting. The amendment eliminates the requirement for an investor to retroactively adjust the basis of a previously held interest in an investment that subsequently qualifies for use of the equity method. Additionally, the amendment requires any unrealized holding gain or loss recognized in AOCI to be realized in earnings at the date an AFS security qualifies for use of the equity method. The Company adopted the revised guidance effective January 1, 2017. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In March 2016, the FASB issued new guidance on improvements to employee share-based payment accounting. The amendment includes provisions intended to simplify various aspects related to how share-based payments are accounted for and presented in the financial statements, including income tax effects of share-based payments, minimum statutory tax withholding requirements and forfeitures. The Company adopted the revised guidance effective January 1, 2017. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In February 2015, the FASB issued a new consolidation standard that makes targeted amendments to the VIE assessment, including guidance specific to the analysis of fee arrangements and related party relationships, modifies the guidance for the evaluation of limited partnerships and similar entities for consolidation to eliminate the presumption of general partner control, and ends the deferral that had been granted to certain investment companies for applying previous VIE guidance. The Company adopted this guidance beginning January 1, 2016 using a modified retrospective approach, thereby not requiring a restatement of prior year periods. At initial adoption, the Company’s reevaluation of all legal entities under the new standard resulted in identification of additional VIEs and consolidation of certain investment products of the Investment Management and Research segment that were not consolidated in accordance with previous guidance. The analysis performed under this guidance requires the exercise of judgment and is updated continuously as circumstances change or new entities are formed. In August 2014, the FASB issued new guidance which requires management to evaluate whether there is “substantial doubt” about the reporting entity’s ability to continue as a going concern and provide related footnote disclosures about those uncertainties, if they exist. The new guidance is effective for annual periods, ending after December 15, 2016 and interim periods thereafter. The Company implemented this guidance beginning with the year ended December 31, 2016. The effect of implementing this guidance was not material to the Company’s consolidated financial statements. Future Adoption of New Accounting Pronouncements In February 2018, the FASB issued new guidance that will permit, but not require, entities to reclassify to retained earnings tax effects “stranded” in AOCI resulting from the change in federal tax rate enacted by the Tax Cuts and Jobs Act (the “Act”) on December 22, 2017. An entity that elects this option must reclassify these stranded tax effects for all items in AOCI, including, but not limited to, AFS securities and employee benefits. Tax effects stranded in AOCI for other reasons, such as prior changes in tax law, may not be reclassified. While the new guidance provides entities the option to reclassify these amounts, new disclosures are required regardless of whether entities elect to do so. The new guidance is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted for periods for which financial statements have not yet been issued or made available for issuance, including in the period the Act was signed into law (i.e., the reporting period including December 22, 2017). Election can be made either to apply the new guidance retrospectively to each period in which the effect of the Act is recognized or in the period of adoption. Management currently is evaluating the options provided for adopting this guidance and the potential impacts on the Company’s consolidated financial statements. In August 2017, the FASB issued new guidance on accounting for hedging activities, intended to more closely align the financial statement reporting of hedging relationships to the economic results of an entity’s risk management activities. In addition, the new guidance makes certain targeted modifications to simplify the application of current hedge accounting guidance. The new guidance is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early application permitted. The effect of adoption should be reflected as of the beginning of the fiscal year of adoption (that is, the initial application date). All transition requirements and elections should be applied to derivatives positions and hedging relationships existing on the date of adoption. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. In May 2017, the FASB issued guidance on share-based payments. The amendment provides clarity intended to reduce diversity in practice and the cost and complexity of accounting for changes to the terms or conditions of share-based payment awards. The new guidance is effective for interim and annual periods beginning after December 15, 2017, requires prospective application to awards modified on or after the date of adoption, and permits early adoption. This amendment is not expected to have a material impact on the Company’s consolidated financial statements. In March 2017, the FASB issued guidance that requires certain premiums on callable debt securities to be amortized to the earliest call date and is intended to better align interest income recognition with the manner in which market participants price these instruments. The new guidance is effective for interim and annual periods beginning after December 15, 2018 with early adoption permitted and is to be applied on a modified retrospective basis. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. In March 2017, the FASB issued new guidance on the presentation of net periodic pension and post-retirement benefit costs that requires disaggregation of the service cost component from the other components of net benefit costs on the income statement. The service cost component will be presented with other employee compensation costs in “income from operations,” and the remaining components will be reported separately outside of income from operations. While this standard does not change the rules for how benefits costs are measured, it limits the amount eligible for capitalization to the service cost component and, therefore, may require insurers and other entities that establish deferred assets related to the acquisition of new contracts to align its capitalization policies/practices with that limitation. The new guidance is effective for interim and annual periods beginning after December 15, 2017 with early adoption permitted and is to be applied retrospectively for changes in the income statement presentation of net benefit cost and prospectively for changes in capitalization eligibility. The guidance permits the use of amounts previously disclosed for the various components of net benefits cost as the basis for the retrospective change in the income statement presentation, and use of that approach must be disclosed as a “practical expedient” to determining how much of the various components of net benefits costs actually was reflected in historical income statements a result of capitalization and subsequent amortization. For purpose of segment reporting, net periodic benefits costs should continue to be presented based on how management reports those costs internally for evaluation, regardless of these new requirements. The Company expects to utilize the practical expedient for adopting the retrospective change in its income statement presentation of net benefits costs. Based on the assessments performed to-date, In August 2016, the FASB issued new guidance to simplify elements of cash flow classification. The new guidance is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. The new guidance is effective for interim and annual periods beginning after December 15, 2017 and should be applied using a retrospective transition method. Adoption of this new guidance in first quarter 2018 is not expected to have a material impact on the Company’s financial condition or results of operations. In June 2016, the FASB issued new guidance related to the accounting for credit losses on financial instruments. The new guidance introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale In February 2016, the FASB issued revised guidance to lease accounting that will require lessees to recognize on the balance sheet a “right-of-use” right-of-use In January 2016, the FASB issued new guidance related to the recognition and measurement of financial assets and financial liabilities. The new guidance primarily affects the accounting for equity investments, financial liabilities under the fair value option, and presentation and disclosure requirements for financial instruments. In addition, the FASB clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale In May 2014, the FASB issued new guidance that revises the recognition criteria for revenue arising from contracts with customers to provide goods or services, except when those revenue streams are from insurance contracts, leases, rights and obligations that are in the scope of certain financial instruments (i.e., derivative contracts) and guarantees other than product or service warranties. The new standard’s core principle is that revenue should be recognized when “control” of promised goods or services is transferred to customers and in an amount that reflects the consideration to which it expects to be entitled in exchange. Applying the new revenue recognition criteria generally will require more judgments and estimates than under current guidance in order to identify contractual performance obligations to customers, assess the roles of intermediaries in fulfilling those obligations, determine the amount of variable consideration to include in the transaction price, and allocate the transaction price to distinct performance obligations in bundled contracts. The new guidance is effective for interim and annual periods, beginning after December 15, 2017, with early adoption permitted. Transition to the new standard requires a retrospective approach but application is permitted either on a full or modified basis, the latter by recognition of a cumulative-effect adjustment to opening equity in the period of initial adoption. On January 1, 2018, the Company will adopt the new revenue recognition guidance on a modified retrospective basis and provide in its first quarter 2018 reporting the additional disclosures required by the new standard. Revenues within the scope of this standard and subject to the Company’s analysis largely emerge from its investment in AllianceBernstein, as reported in the Company’s Investment Management and Research segment, but also result from the Company’s indirect wholly-owned subsidiaries, namely FMG as well as retail and wholesale broker-dealer operations. Based on the assessments performed to-date, pre-tax Closed Block As a result of demutualization, the Company’s Closed Block was established in 1992 for the benefit of certain individual participating policies that were in force on that date. Assets, liabilities and earnings of the Closed Block are specifically identified to support its participating policyholders. Assets allocated to the Closed Block inure solely to the benefit of the Closed Block policyholders and will not revert to the benefit of the Company. No reallocation, transfer, borrowing or lending of assets can be made between the Closed Block and other portions of the Company’s general account (the “General Account”), any of its separate accounts (the “Separate Accounts”) or any affiliate of the Company without the approval of the New York State Department of Financial Services (the “NYDFS”). Closed Block assets and liabilities are carried on the same basis as similar assets and liabilities held in the General Account. The excess of Closed Block liabilities over Closed Block assets (adjusted to exclude the impact of related amounts in AOCI) represents the expected maximum future post-tax If the actual cumulative earnings from the Closed Block are greater than the expected cumulative earnings, only the expected earnings will be recognized in net income. Actual cumulative earnings in excess of expected cumulative earnings at any point in time are recorded as a policyholder dividend obligation because they will ultimately be paid to Closed Block policyholders as an additional policyholder dividend unless offset by future performance that is less favorable than originally expected. If a policyholder dividend obligation has been previously established and the actual Closed Block earnings in a subsequent period are less than the expected earnings for that period, the policyholder dividend obligation would be reduced (but not below zero). If, over the period the policies and contracts in the Closed Block remain in force, the actual cumulative earnings of the Closed Block are less than the expected cumulative earnings, only actual earnings would be recognized in income from continuing operations. If the Closed Block has insufficient funds to make guaranteed policy benefit payments, such payments will be made from assets outside the Closed Block. Many expenses related to Closed Block operations, including amortization of deferred policy acquisition costs (“DAC”), are charged to operations outside of the Closed Block; accordingly, net revenues of the Closed Block do not represent the actual profitability of the Closed Block operations. Operating costs and expenses outside of the Closed Block are, therefore, disproportionate to the business outside of the Closed Block. Investments The carrying values of fixed maturities classified as available-for-sale The Company determines the fair values of fixed maturities and equity securities based upon quoted prices in active markets, when available, or through the use of alternative approaches when market quotes are not readily accessible or available. These alternative approaches include matrix or model pricing and use of independent pricing services, each supported by reference to principal market trades or other observable market assumptions for similar securities. More specifically, the matrix pricing approach to fair value is a discounted cash flow methodology that incorporates market interest rates commensurate with the credit quality and duration of the investment. The Company’s management, with the assistance of its investment advisors, monitors the investment performance of its portfolio and reviews AFS securities with unrealized losses for other-than-temporary impairments (“OTTI”). Integral to this review is an assessment made each quarter, on a security-by-security If there is no intent to sell or likely requirement to dispose of the fixed maturity security before its recovery, only the credit loss component of any resulting OTTI is recognized in income (loss) and the remainder of the fair value loss is recognized in OCI. The amount of credit loss is the shortfall of the present value of the cash flows expected to be collected as compared to the amortized cost basis of the security. The present value is calculated by discounting management’s best estimate of projected future cash flows at the effective interest rate implicit in the debt security at the date of acquisition. Projections of future cash flows are based on assumptions regarding probability of default and estimates regarding the amount and timing of recoveries. These assumptions and estimates require use of management judgment and consider internal credit analyses as well as market observable data relevant to the collectability of the security. For mortgage- and asset-backed securities, projected future cash flows also include assumptions regarding prepayments and underlying collateral value. Real estate held for the production of income is stated at depreciated cost less valuation allowances. Depreciation of real estate held for production of income is computed using the straight-line method over the estimated useful lives of the properties, which generally range from 40 to 50 years. Policy loans represent funds loaned to policyholders up to the cash surrender value of the associated insurance policies and are carried at the unpaid principal balances due to the Company from the policyholders. Interest income on policy loans is recognized in net investment income at the contract interest rate when earned. Policy loans are fully collateralized by the cash surrender value of the associated insurance policies. Partnerships, investment companies and joint venture interests that the Company has control of and has an economic interest in or those that meet the requirements for consolidation under accounting guidance for consolidation of VIEs are consolidated. Those that the Company does not have control of and does not have a majority economic interest in and those that do not meet the VIE requirements for consolidation are reported on the equity method of accounting and are reported in other equity investments. The Company records its interests in certain of these partnerships on a month or one quarter lag. Equity securities, which include common stock, and non-redeemable Trading securities, which include equity securities and fixed maturities, are carried at fair value based on quoted market prices, with realized and unrealized gains (losses) reported in net investment income (loss) in the statements of Net income (loss). Corporate owned life insurance (“COLI”) has been purchased by the Company and certain subsidiaries on the lives of certain key employees and the Company and these subsidiaries are named as beneficiaries under these policies. COLI is carried at the cash surrender value of the policies. At December 31, 2017, 2016, and 2015, the carrying value of COLI was $918 million, $889 million and $891 million, respectively, and is reported in Other invested assets in the consolidated balance sheets. Short-term investments are reported at amortized cost that approximates fair value and are included in Other invested assets. The Company classifies as short-term securities purchased with a maturity of twelve months or less. Cash and cash equivalents includes cash on hand, demand deposits, money market accounts, overnight commercial paper and highly liquid debt instruments purchased with an original maturity of three months or less. Due to the short-term nature of these investments, the recorded value is deemed to approximate fair value. Cash and securities segregated primarily includes U.S. Treasury Bills segregated by AB in a special reserve bank custody account for the exclusive benefit of its brokerage customers under Rule 15c3-3 All securities owned, including U.S. government and agency securities, mortgage-backed securities, futures and forwards transactions, are reported in the consolidated financial statements on a trade date basis. Derivatives Derivatives are financial instruments whose values are derived from interest rates, foreign exchange rates, financial indices, values of securities or commodities, credit spreads, market volatility, expected returns, and liquidity. Values can also be affected by changes in estimates and assumptions, including those related to counterparty behavior and non-performance over-the-counter Freestanding derivative contracts are reported in the consolidated balance sheets either as assets within “Other invested assets” or as liabilities within “Other liabilities.” The Company nets the fair value of all derivative financial instruments with counterparties for which an ISDA Master Agreement and related Credit Support Annex (“CSA”) have been executed. The Company uses derivatives to manage asset/liability risk and has designated some of those economic relationships under the criteria to qualify for hedge accounting treatment. All changes in the fair value of the Company’s freestanding derivative positions not designated to hedge accounting relationships, including net receipts and payments, are included in “Net derivative gains (losses)” without considering changes in the fair value of the economically associated assets or liabilities. The Company is a party to financial instruments and other contracts that contain “embedded” derivative instruments. At inception, the Company assesses whether the economic characteristics of the embedded instrument are “clearly and closely related” to the economic characteristics of the remaining component of the “host contract” and whether a separate instrument with the same terms as the embedded instrument would meet the definition of a derivative instrument. When those criteria are satisfied, the resulting embedded derivative is bifurcated from the host contract, carried in the consolidated balance sheets at fair value, and changes in its fair value are recognized immediately and captioned in the consolidated statements of income (loss) according to the nature of the related host contract. For certain financial instruments that contain an embedded derivative that otherwise would need to be bifurcated and reported at fair value, the Company instead may elect to carry the entire instrument at fair value. Securities Repurchase and Reverse Repurchase Agreements Securities repurchase and reverse repurchase transactions involve the temporary exchange of securities for cash or other collateral of equivalent value, with agreement to redeliver a like quantity of the same or similar securities at a future date prior to maturity at a fixed and determinable price. Transfers of securities under these agreements to repurchase or resell are evaluated by the Company to determine whether they satisfy the criteria for accounting treatment as secured borrowing or lending arrangements. Agreements not meeting the criteria would require recognition of the transferred securities as sales or purchases with related forward repurchase or resale commitments. All of the Company’s securities repurchase transactions are accounted for as collateralized borrowings with the related obligations distinctly captioned in the consolidated balance sheets. Earnings from investing activities related to the cash received under the Company’s securities repurchase arrangements are reported in the consolidated statements of income (loss) as “Net investment income” and the associated borrowing cost is reported as “Interest expense.” The Company has not actively engaged in securities reverse repurchase transactions. Commercial and Agricultural Mortgage Loans On Real Estate Mortgage loans are stated at unpaid principal balances, net of unamortized discounts and valuation allowances. Valuation allowances are based on the present value of expected future cash flows discounted at the loan’s original effective interest rate or on its collateral value if the loan is collateral dependent. However, if foreclosure is or becomes probable, the collateral value measurement method is used. For commercial and agricultural mortgage loans, an allowance for credit loss is typically recommended when management believes it is probable that principal and interest will not be collected according to the contractual terms. Factors that influence management’s judgment in determining allowance for credit losses include the following: • Loan-to-value loan-to-value loan-to-value • Debt service coverage ratio – Derived from actual operating earnings divided by annual debt service. If the ratio is below 1.0x, then the income from the property does not support the debt. • Occupancy – Criteria varies by property type but low or below market occupancy is an indicator of sub-par • Lease expirations – The percentage of leases expiring in the upcoming 12 to 36 months are monitored as a decline in rent and/or occupancy may negatively impact the debt service coverage ratio. In the case of single-tenant properties or properties with large tenant exposure, the lease expiration is a material risk factor. • Maturity – Mortgage loans that are not fully amortizing and have upcoming maturities within the next 12 to 24 months are monitored in conjunction with the capital markets to determine the borrower’s ability to refinance the debt and/or pay off the balloon balance. • Borrower/tenant related issues – Financial concerns, potential bankruptcy, or words or actions that indicate imminent default or abandonment of property. • Payment status (current vs. delinquent) – A history of delinquent payments may be a cause for concern. • Property condition – Significant deferred maintenance observed during the lenders annual site inspections. • Other – Any other factors such as current economic conditions may call into question the performance of the loan. Mortgage loans also are individually evaluated quarterly by the Company’s IUS Committee for impairment, including an assessment of related collateral value. Commercial mortgages 60 days or more past due and agricultural mortgages 90 days or more past due, as well as all mortgages in the process of foreclosure, are identified as problem mortgages. Based on its monthly monitoring of mortgages, a class of potential problem mortgages are also identified, consisting of mortgage loans not currently classified as problem mortgages but for which management has doubts as to the ability of the borrower to comply with the present loan payment terms and which may result in the loan becoming a problem or being restructured. The decision whether to classify a performing mortgage loan as a potential problem involves significant subjective judgments by management as to likely future industry conditions and developments with respect to the borrower or the individual mortgaged property. For problem mortgage loans, a valuation allowance is established to provide for the risk of credit losses inherent in the lending process. The allowance includes loan specific reserves for mortgage loans determined to be non-performing non-performing non-performing Impaired mortgage loans without provision for losses are mortgage loans where the fair value of the collateral or the net present value of the expected future cash flows related to the loan equals or exceeds the recorded investment. Interest income earned on mortgage loans where the collateral value is used to measure impairment is recorded on a cash basis. Interest income o

INVESTMENTS

INVESTMENTS	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
INVESTMENTS	INVESTMENTS Fixed Maturities The following tables provide information relating to fixed maturities classified as AFS. As a result of the adoption of the Financial Instruments - Recognition and Measurement of Financial Assets and Financial Liabilities (ASU 2016-01) standard on January 1, 2018 (see Note 2 ), equity securities are no longer classified and accounted for as available-for-sale securities. Available-for-Sale Securities by Classification Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value OTTI in AOCI (3) (in millions) September 30, 2018: Fixed Maturities: Corporate $ 28,327 $ 416 $ 693 $ 28,050 $ — U.S. Treasury, government and agency 14,052 137 732 13,457 — States and political subdivisions 417 43 1 459 — Foreign governments 440 18 10 448 — Residential mortgage-backed (1) 234 9 1 242 — Asset-backed (2) 624 2 6 620 2 Redeemable preferred stock 480 31 8 503 — Total at September 30, 2018 $ 44,574 $ 656 $ 1,451 $ 43,779 $ 2 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value OTTI in AOCI (3) (in millions) December 31, 2017: Fixed Maturities: Corporate $ 24,480 $ 1,031 $ 65 $ 25,446 $ — U.S. Treasury, government and agency 17,759 1,000 251 18,508 — States and political subdivisions 422 67 — 489 — Foreign governments 395 29 5 419 — Residential mortgage-backed (1) 797 22 1 818 — Asset-backed (2) 745 5 1 749 2 Redeemable preferred stock 470 43 1 512 — Total Fixed Maturities 45,068 2,197 324 46,941 2 Equity securities 188 2 — 190 — Total at December 31, 2017 $ 45,256 $ 2,199 $ 324 $ 47,131 $ 2 ____________ (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans. (3) Amounts represent OTTI losses in AOCI, which were not included in income (loss) in accordance with current accounting guidance. The contractual maturities of AFS fixed maturities at September 30, 2018 are shown in the table below. Bonds not due at a single maturity date have been included in the table in the final year of maturity. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Available-for-Sale Fixed Maturities Contractual Maturities at September 30, 2018 Amortized Cost Fair Value (in millions) Due in one year or less $ 2,182 $ 2,192 Due in years two through five 9,092 9,142 Due in years six through ten 15,022 14,680 Due after ten years 16,940 16,400 Subtotal 43,236 42,414 Residential mortgage-backed securities 234 242 Asset-backed securities 624 620 Redeemable preferred stock 480 503 Total $ 44,574 $ 43,779 The following table shows proceeds from sales, gross gains (losses) from sales and OTTI for AFS fixed maturities during the three and nine months ended September 30, 2018 and 2017 : Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Proceeds from sales $ 1,030 $ 1,311 $ 6,054 $ 1,896 Gross gains on sales $ 6 $ 4 $ 178 $ 40 Gross losses on sales $ (31 ) $ (10 ) $ (119 ) $ (41 ) Total OTTI $ (4 ) $ (1 ) $ (4 ) $ (15 ) Non-credit losses recognized in OCI — — — — Credit losses recognized in net income (loss) $ (4 ) $ (1 ) $ (4 ) $ (15 ) The following table sets forth the amount of credit loss impairments on AFS fixed maturities held by the Company at the dates indicated and the corresponding changes in such amounts: Fixed Maturities - Credit Loss Impairments Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Balances, beginning of period $ (17 ) $ (144 ) $ (18 ) $ (239 ) Previously recognized impairments on securities that matured, paid, prepaid or sold — 31 1 140 Recognized impairments on securities impaired to fair value this period (1) — — — — Impairments recognized this period on securities not previously impaired (4 ) — (4 ) (14 ) Additional impairments this period on securities previously impaired — — — — Increases due to passage of time on previously recorded credit losses — — — — Accretion of previously recognized impairments due to increases in expected cash flows — — — — Balances at September 30 $ (21 ) $ (113 ) $ (21 ) $ (113 ) ____________ (1) Represents circumstances where the Company determined in the current period that it intends to sell the security, or it is more likely than not that it will be required to sell the security before recovery of the security’s amortized cost. Net unrealized investment gains (losses) on fixed maturities and equity securities classified as AFS are included in the consolidated balance sheets as a component of AOCI. The table below presents these amounts as of the dates indicated: September 30, 2018 December 31, 2017 (in millions) AFS Securities: Fixed maturities: With OTTI loss $ 1 $ 2 All other (796 ) 1,871 Equity securities — 2 Net Unrealized Gains (Losses) $ (795 ) $ 1,875 Changes in net unrealized investment gains (losses) recognized in AOCI include reclassification adjustments to reflect amounts realized in Net income (loss) for the current period that had been part of OCI in earlier periods. The tables that follow below present a roll-forward of net unrealized investment gains (losses) recognized in AOCI, split between amounts related to fixed maturities on which an OTTI loss has been recognized and all other: Net Unrealized Gains (Losses) on Fixed Maturities with OTTI Losses Net Unrealized Gains (Losses) on DAC Policyholders’ Liabilities Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, July 1, 2018 $ 2 $ — $ 1 $ (1 ) $ 2 Net investment gains (losses) arising during the period (1 ) — — — (1 ) Reclassification adjustment: Included in Net income (loss) — — — — — Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — — — — — Deferred income taxes — — — 1 1 Policyholders’ liabilities — — (1 ) — (1 ) Balance, September 30, 2018 $ 1 $ — $ — $ — $ 1 Balance, July 1, 2017 (17 ) 2 1 4 (10 ) Net investment gains (losses) arising during the period (8 ) — — — (8 ) Reclassification adjustment: Included in Net income (loss) 14 — — — 14 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — — — — — Deferred income taxes — — — (1 ) (1 ) Policyholders’ liabilities — — (1 ) — (1 ) Balance, September 30, 2017 $ (11 ) $ 2 $ — $ 3 $ (6 ) ____________ (1) Represents “transfers in” related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss. Net Unrealized Gains (Losses) on DAC Policyholders’ Liabilities Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized (in millions) Balance, January 1, 2018 $ 2 $ — $ (1 ) $ — $ 1 Net investment gains (losses) arising during the period — — — — — Reclassification adjustment: Included in Net income (loss) (1 ) — — — (1 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — — — — — Deferred income taxes — — — — — Policyholders’ liabilities — — 1 — 1 Balance, September 30, 2018 $ 1 $ — $ — $ — $ 1 Balance, January 1, 2017 $ 19 $ 1 $ (10 ) $ (4 ) $ 6 Net investment gains (losses) arising during the period (10 ) — — — (10 ) Reclassification adjustment: Included in Net income (loss) (20 ) — — — (20 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 1 — — 1 Deferred income taxes — — — 7 7 Policyholders’ liabilities — — 10 — 10 Balance, September 30, 2017 $ (11 ) $ 2 $ — $ 3 $ (6 ) ____________ (1) Represents “transfers in” related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss. All Other Net Unrealized Investment Gains (Losses) In AOCI Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred AOCI Gain (Loss) Related to Net Unrealized (in millions) Balance, July 1, 2018 $ (268 ) $ 34 $ (132 ) $ (52 ) $ (418 ) Net investment gains (losses) arising during the period (564 ) — — — (564 ) Reclassification adjustment: Included in Net income (loss) 36 — — — 36 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 89 — — 89 Deferred income taxes — — — 104 104 Policyholders’ liabilities — — (54 ) — (54 ) Balance, September 30, 2018 $ (796 ) $ 123 $ (186 ) $ 52 $ (807 ) Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred AOCI Gain (Loss) Related to Net Unrealized (in millions) Balance, July 1, 2017 $ 1,432 $ (140 ) $ (204 ) $ (381 ) $ 707 Net investment gains (losses) arising during the period 4 — — — 4 Reclassification adjustment: Included in Net income (loss) 11 — — — 11 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — (47 ) — — (47 ) Deferred income taxes — — — 21 21 Policyholders’ liabilities (28 ) — (28 ) Balance, September 30, 2017 $ 1,447 $ (187 ) $ (232 ) $ (360 ) $ 668 ____________ (1) Represents “transfers out” related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss. Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, January 1, 2018 $ 1,871 $ (358 ) $ (238 ) $ (397 ) $ 878 Net investment gains (losses) arising during the period (2,613 ) — — — (2,613 ) Reclassification adjustment: Included in Net income (loss) (54 ) — — — (54 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 481 — — 481 Deferred income taxes — — — 449 449 Policyholders’ liabilities — — 52 — 52 Balance, September 30, 2018 $ (796 ) $ 123 $ (186 ) $ 52 $ (807 ) Balance, January 1, 2017 $ 529 $ (45 ) $ (192 ) $ (102 ) $ 190 Net investment gains (losses) arising during the period 854 — — — 854 Reclassification adjustment: Included in Net income (loss) 64 — — — 64 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — (142 ) — — (142 ) Deferred income taxes — — — (258 ) (258 ) Policyholders’ liabilities — — (40 ) — (40 ) Balance, September 30, 2017 $ 1,447 $ (187 ) $ (232 ) $ (360 ) $ 668 ____________ (1) Represents “transfers out” related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss. The following tables disclose the fair values and gross unrealized losses of the 1,692 issues at September 30, 2018 and the 752 issues at December 31, 2017 of fixed maturities that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position for the specified periods at the dates indicated: Less Than 12 Months 12 Months or Longer Total Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses (in millions) September 30, 2018: Fixed Maturities: Corporate $ 14,535 $ 539 $ 2,672 $ 154 $ 17,207 $ 693 U.S. Treasury, government and agency 4,449 180 3,822 552 8,271 732 States and political subdivisions 19 1 — — 19 1 Foreign governments 68 2 73 8 141 10 Residential mortgage-backed 34 1 — — 34 1 Asset-backed 120 5 6 1 126 6 Redeemable preferred stock 184 7 12 1 196 8 Total $ 19,409 $ 735 $ 6,585 $ 716 $ 25,994 $ 1,451 December 31, 2017: Fixed Maturities: Corporate $ 2,903 $ 23 $ 1,331 $ 42 $ 4,234 $ 65 U.S. Treasury, government and agency 2,718 6 4,506 245 7,224 251 States and political subdivisions 20 — — — 20 — Foreign governments 11 — 73 5 84 5 Residential mortgage-backed 62 — 76 1 138 1 Asset-backed 15 1 12 — 27 1 Redeemable preferred stock 10 — 13 1 23 1 Total $ 5,739 $ 30 $ 6,011 $ 294 $ 11,750 $ 324 The Company’s investments in fixed maturities do not include concentrations of credit risk of any single issuer greater than 10% of the consolidated equity of the Company, other than securities of the U.S. government, U.S. government agencies, and certain securities guaranteed by the U.S. government. The Company maintains a diversified portfolio of corporate securities across industries and issuers and does not have exposure to any single issuer in excess of 0.8 % of total investments. The largest exposures to a single issuer of corporate securities held at September 30, 2018 and December 31, 2017 were $213 million and $207 million , respectively. Corporate high yield securities, consisting primarily of public high yield bonds, are classified as other than investment grade by the various rating agencies, i.e., a rating below Baa3/BBB- or the National Association of Insurance Commissioners (“NAIC”) designation of 3 (medium grade), 4 or 5 (below investment grade) or 6 (in or near default). At September 30, 2018 and December 31, 2017 , respectively, approximately $1,314 million and $1,372 million , or 2.9 % and 3.0% , of the $44,574 million and $45,068 million aggregate amortized cost of fixed maturities held by the Company were considered to be other than investment grade. These securities had net unrealized gains and (losses) of $(11) million and $5 million at September 30, 2018 and December 31, 2017 , respectively. At September 30, 2018 and December 31, 2017 , respectively, the $716 million and $294 million of gross unrealized losses of twelve months or more were concentrated in corporate and U.S. Treasury, government and agency securities. In accordance with the policy described in Note 2 , the Company concluded that an adjustment to income for OTTI for these securities was not warranted at either September 30, 2018 or 2017 . At September 30, 2018 and December 31, 2017 , the Company did not intend to sell the securities nor will it likely be required to dispose of the securities before the anticipated recovery of their remaining amortized cost basis. The Company does not originate, purchase or warehouse residential mortgages and is not in the mortgage servicing business. At September 30, 2018 , the carrying value of fixed maturities that were non-income producing for the twelve months preceding that date was $3 million . For the three and nine months ended September 30, 2018 and 2017 , investment income is shown net of investment expenses of $13 million , $51 million , $12 million and $41 million , respectively. At September 30, 2018 and December 31, 2017 , the fair values of the Company’s trading account securities were $14,993 million and $14,170 million , respectively. Also at September 30, 2018 and December 31, 2017 , trading securities included the General Account’s investment in Separate Accounts had carrying values of $52 million and $50 million , respectively. Net unrealized and realized gains (losses) on trading account equity securities are included in Net investment income (loss) in the Consolidated Statements of Income (Loss). The table below shows a breakdown of Net investment income from trading account securities during the three and nine months ended September 30, 2018 and 2017 : Net Investment Income (Loss) from Trading Securities Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net investment gains (losses) recognized during the period on securities held at the end of the period $ (35 ) $ 42 $ (255 ) $ 231 Net investment gains (losses) recognized on securities sold during the period 6 11 (11 ) 38 Unrealized and realized gains (losses) on trading securities arising during the period (29 ) 53 (266 ) 269 Interest and dividend income from trading securities 84 80 243 197 Net investment income (loss) from trading securities $ 55 $ 133 $ (23 ) $ 466 Mortgage Loans At September 30, 2018 and December 31, 2017 , the carrying values of problem commercial mortgage loans on real estate that had been classified as nonaccrual loans were $19 million and $19 million , respectively. Valuation Allowances for Mortgage Loans: Allowance for credit losses for mortgage loans for the nine months ended September 30, 2018 and 2017 are as follows: Nine Months Ended September 30, 2018 2017 (in millions) Allowance for credit losses: Beginning balance, January 1, $ 8 $ 8 Charge-offs — — Recoveries (1 ) — Provision — — Ending balance, September 30, $ 7 $ 8 September 30, Individually Evaluated for Impairment $ 7 $ 8 There were no allowances for credit losses for agricultural mortgage loans for the nine months ended September 30, 2018 and 2017 . The following tables provide information relating to the loan to value and debt service coverage ratios for commercial and agricultural mortgage loans at September 30, 2018 and December 31, 2017. Mortgage Loans by Loan-to-Value and Debt Service Coverage Ratios September 30, 2018 Debt Service Coverage Ratio (1) Loan-to-Value Ratio: (2) Greater than 2.0x 1.8x to 2.0x 1.5x to 1.8x 1.2x to 1.5x 1.0x to 1.2x Less than 1.0x Total Mortgage Loans (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 823 $ 21 $ 351 $ 24 $ — $ — $ 1,219 50% - 70% 4,739 649 1,192 603 151 — 7,334 70% - 90% 221 110 169 298 27 — 825 90% plus — — 27 — — — 27 Total Commercial Mortgage Loans $ 5,783 $ 780 $ 1,739 $ 925 $ 178 $ — $ 9,405 Agricultural Mortgage Loans (1) 0% - 50% $ 271 $ 142 $ 257 $ 555 $ 322 $ 33 $ 1,580 50% - 70% 127 53 231 378 235 49 1,073 70% - 90% — — — 19 — — 19 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 398 $ 195 $ 488 $ 952 $ 557 $ 82 $ 2,672 Debt Service Coverage Ratio (1) Loan-to-Value Ratio: (2) Greater than 2.0x 1.8x to 2.0x 1.5x to 1.8x 1.2x to 1.5x 1.0x to 1.2x Less than 1.0x Total Mortgage Loans (in millions) Total Mortgage Loans (1) 0% - 50% $ 1,094 $ 163 $ 608 $ 579 $ 322 $ 33 $ 2,799 50% - 70% 4,866 702 1,423 981 386 49 8,407 70% - 90% 221 110 169 317 27 — 844 90% plus — — 27 — — — 27 Total Mortgage Loans $ 6,181 $ 975 $ 2,227 $ 1,877 $ 735 $ 82 $ 12,077 _______________ (1) The debt service coverage ratio is calculated using the most recently reported operating income results from property operations divided by annual debt service. (2) The loan-to-value ratio is derived from current loan balance divided by the fair market value of the property. The fair market value of the underlying commercial properties is updated annually. Mortgage Loans by Loan-to-Value and Debt Service Coverage Ratios December 31, 2017 Debt Service Coverage Ratio (1) Loan-to-Value Ratio: (2) Greater than 2.0x 1.8x to 2.0x 1.5x to 1.8x 1.2x to 1.5x 1.0x to 1.2x Less than 1.0x Total Mortgage Loans (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 759 $ — $ 320 $ 74 $ — $ — $ 1,153 50% - 70% 4,088 682 1,066 428 145 — 6,409 70% - 90% 169 110 196 272 50 — 797 90% plus — — 27 — — — 27 Total Commercial Mortgage Loans $ 5,016 $ 792 $ 1,609 $ 774 $ 195 $ — $ 8,386 Agricultural Mortgage Loans (1) 0% - 50% $ 272 $ 149 $ 275 $ 515 $ 316 $ 30 $ 1,557 50% - 70% 111 46 227 359 221 49 1,013 70% - 90% — — — 4 — — 4 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 383 $ 195 $ 502 $ 878 $ 537 $ 79 $ 2,574 Total Mortgage Loans (1) 0% - 50% $ 1,031 $ 149 $ 595 $ 589 $ 316 $ 30 $ 2,710 50% - 70% 4,199 728 1,293 787 366 49 7,422 70% - 90% 169 110 196 276 50 — 801 90% plus — — 27 — — — 27 Total Mortgage Loans $ 5,399 $ 987 $ 2,111 $ 1,652 $ 732 $ 79 $ 10,960 ______________ (1) The debt service coverage ratio is calculated using the most recently reported operating income results from property operations divided by annual debt service. (2) The loan-to-value ratio is derived from current loan balance divided by the fair market value of the property. The fair market value of the underlying commercial properties is updated annually. The following table provides information relating to the aging analysis of past due mortgage loans at September 30, 2018 and December 31, 2017 , respectively. Age Analysis of Past Due Mortgage Loan 30-59 Days 60-89 Days 90 Days or More Total Current Total Financing Receivables Recorded Investment 90 Days or More and Accruing (in millions) September 30, 2018 Commercial $ — $ — $ 27 $ 27 $ 9,378 $ 9,405 $ — Agricultural 5 12 57 74 2,598 2,672 57 Total Mortgage Loans $ 5 $ 12 $ 84 $ 101 $ 11,976 $ 12,077 $ 57 December 31, 2017 Commercial $ 27 $ — $ — $ 27 $ 8,359 $ 8,386 $ — Agricultural 49 3 22 74 2,500 2,574 22 Total Mortgage Loans $ 76 $ 3 $ 22 $ 101 $ 10,859 $ 10,960 $ 22 The following table provides information relating to impaired mortgage loans at September 30, 2018 and December 31, 2017 , respectively. Impaired Mortgage Loans Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment (1) Interest Income Recognized (in millions) September 30, 2018: With no related allowance recorded: Commercial mortgage loans - other $ — $ — $ — $ — $ — Agricultural mortgage loans — — — — — Total $ — $ — $ — $ — $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (7 ) $ 27 $ — Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (7 ) $ 27 $ — December 31, 2017: With no related allowance recorded: Commercial mortgage loans - other $ — $ — $ — $ — $ — Agricultural mortgage loans — — — — — Total $ — $ — $ — $ — $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (8 ) $ 27 $ 2 Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (8 ) $ 27 $ 2 ________________ (1) Represents a three-quarter average of recorded amortized cost. Types of Derivative Instruments and Derivative Strategies The Company utilizes various derivative instruments and strategies to manage its risk. Commonly used derivative instruments include, but are not necessarily limited to, exchange traded equity, currency and interest rate futures contracts, total return and/or other equity swaps, interest rate swap and floor contracts, bond and bond-index total return swaps, swaptions, variance swaps and equity options credit and foreign exchange derivatives as well as bond and repo transactions to support the hedging. The Company also uses foreign exchange derivatives to reduce exposure to currency fluctuations that may arise from non-U.S.-dollar denominated financial instruments. The Company had a currency swap contract with AXA to hedge foreign exchange exposure from affiliated loans, which matured in March 2018. For detailed information on these derivative instruments and strategies, see Note 3 to the consolidated financial statements included in the Prospectus. The tables below present quantitative disclosures about the Company’s derivative instruments, including those embedded in other contracts required to be accounted for as derivative instruments. Derivative Instruments by Category At September 30, 2018 Gains (Losses) Reported In Net Earnings (Loss) Nine Months Ended September 30, 2018 Fair Value Notional Amount Asset Derivatives Liability Derivatives (in millions) Freestanding derivatives: Equity contracts: (1,6) Futures $ 7,863 $ 1 $ 1 $ (508 ) Swaps 7,900 12 189 (455 ) Options 24,723 4,187 1,632 701 Interest rate contracts: (1,6) Swaps 25,761 330 653 (1,212 ) Futures 17,498 — — 45 Credit contracts: (1,6) Credit default swaps 1,935 28 3 3 Other freestanding contracts: (1,6) Foreign currency contracts 2,110 75 9 60 Margin — 38 — — Collateral — 65 2,189 — Embedded derivatives: GMIB reinsurance contracts (6) — 1,375 — (522 ) GMxB derivative features liability (3,6) — — 4,294 452 SCS, SIO, MSO and IUL indexed features (5,6) — — 2,458 (850 ) Net derivative investment gains (loss) (2,288 ) Cross currency swaps (2,4) — — — 9 Total $ 87,790 $ 6,111 $ 11,428 $ (2,279 ) ____________ (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statements of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss). At December 31, 2017 Gains (Losses) Fair Value Notional Amount Asset Derivatives Liability Derivatives (in millions) Freestanding derivatives: Equity contracts: (1,6) Futures $ 6,716 $ 1 $ 2 $ (965 ) Swaps 7,623 4 201 (996 ) Options 22,223 3,456 1,457 873 Interest rate contracts: (1,6) Swaps 26,769 604 193 661 Futures 20,675 — — 100 Credit contracts: (1,6) Credit default swaps 2,131 35 3 16 Other freestanding contracts: (1,6) Foreign currency contracts 1,423 19 10 (40 ) Margin — 24 4 — Collateral — 4 2,123 — Embedded derivatives: GMIB reinsurance contracts (6) — 1,894 — 286 GMxB derivative features liability (3,6) — — 4,451 1,210 SCS, SIO, MSO and IUL indexed features (5,6) — — 1,786 (913 ) Net derivative investment gains (loss) 232 Cross currency swaps (2,4) 354 5 — (39 ) Total $ 87,914 $ 6,046 $ 10,230 $ 193 ____________ (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statements of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss). Equity-Based and Treasury Futures Contracts Margin All outstanding equity-based and treasury futures contracts at September 30, 2018 are exchange-traded and net settled daily in cash. At September 30, 2018 , the Company had open exchange-traded futures positions on: (i) the S&P 500, Russell 2000, and Emerging Market indices, having initial margin requirements of $226 million , (ii) the 2-year, 5-year and 10-year U.S. Treasury Notes on U.S. Treasury bonds and ultra-long bonds, having initial margin requirements of $55 million and (iii) the Euro Stoxx, FTSE 100, Topix, ASX 200, and European, Australasia, and Far East (“EAFE”) indices as well as corresponding currency futures on the Euro/U.S. dollar, Pound/U.S. dollar, Australian dollar/U.S. dollar, and Yen/U.S. dollar, having initial margin requirements of $21 million . Collateral Arrangements The Company generally has executed a Credit Support Annex (“CSA”) under the International Swaps and Derivatives Association Master Agreement (“ISDA Master Agreement”) it maintains with each of its over-the-counter (“OTC”) derivative counterparties that requires both posting and accepting collateral either in the form of cash or high-quality securities, such as U.S. Treasury securities, U.S. government and government agency securities and investment grade corporate bonds. The Company nets the fair value of all derivative financial instruments with counterparties for which an ISDA Master Agreement and related CSA have been executed. At September 30, 2018 and December 31, 2017 , respectively, the Company held $2,189 million and $2,123 million in cash and securities collateral delivered by trade counterparties, representing the fair value of the related derivative agreements. The unrestricted cash collateral is reported in Other invested assets. The Company posted collateral of $65 million and $4 million at September 30, 2018 and December 31, 2017 , respectively, in the normal operation of its collateral arrangements. Securities Repurchase and Reverse Repurchase Transactions Securities repurchase and reverse repurchase transactions are conducted by the Company under a standardized securities industry master agreement, amended to suit the requirements of each respective counterparty. The Company’s securities repurchase and reverse repurchase agreements are accounted for as secured borrowing or lending arrangements, respectively and are reported in the consolidated balance sheets on a gross basis. At September 30, 2018 and December 31, 2017 , the balance outstanding under securities repurchase transactions was $ 1,900 million and $1,887 million , respectively. The Company utilized these repurchase and reverse repurchase agreements for asset liability and cash management purposes. For other instruments used for asset liability management purposes, see “Obligation under funding agreements” included in Note 15 . The following table presents information about the Company’s offsetting of financial assets and liabilities and derivative instruments at September 30, 2018 . Offsetting of Financial Assets and Liabilities and Derivative Instruments At September 30, 2018 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) ASSETS (1) Description Derivatives: Equity contracts $ 4,200 $ 1,821 $ 2,379 Interest rate contracts 330 653 (323 ) Credit contracts 28 3 25 Currency 75 9 66 Margin 38 — 38 Collateral 65 2,189 (2,124 ) Total Derivatives, subject to an ISDA Master Agreement $ 4,736 $ 4,675 $ 61 Other financial instruments 2,859 — 2,859 Other invested assets $ 7,595 $ 4,675 $ 2,920 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) LIABILITIES (2) Description Derivatives: Equity contracts $ 1,821 $ 1,821 $ — Interest rate contracts 653 653 — Credit contracts 3 3 — Currency 9 9 — Margin — — — Collateral 2,189 2,189 — Total Derivatives, subject to an ISDA Master Agreement 4,675 4,675 — Other financial liabilities 3,485 — 3,485 Other liabilities $ 8,160 $ 4,675 $ 3,485 Securities sold under agreement to repurchase (3) $ 1,891 $ — $ 1,891 ____________ (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $9 million in securities sold under agreement to repurchase. The following table presents information about the Company’s gross collateral amounts that are not offset in the consolidated balance sheets at September 30, 2018 . Collateral Amounts Not Offset in the Consolidated Balance Sheets At September 30, 2018 Net Amounts Presented in the Balance Sheets Collateral (Received)/Held Financial Instruments Cash Net Amounts (in millions) Assets (1) Total derivatives $ 2,146 $ — $ (2,085 ) $ 61 Other financial instruments 2,859 — — 2,859 Other invested assets $ 5,005 $ — $ (2,085 ) $ 2,920 Liabilities: (2) Securities sold under agreement to repurchase (3)(4)(5) $ 1,891 $ (1,891 ) $ — $ — ____________ (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $ 9 million included in Securities sold under agreements to repurchase on the consolidated balance sheets. (4) U.S. Treasury and agency securities are included in Fixed maturities available for sale on the consolidated balance sheets. (5) Cash is reported in Cash and cash equivalents on the consolidated balance sheets. The following table presents information about repurchase agreements accounted for as secured borrowings in the consolidated balance sheets at September 30, 2018 . Repurchase Agreement Accounted for as Secured Borrowings At September 30, 2018 Remaining Contractual Maturity of the Agreements Overnight and Continuous Up to 30 days 30–90 days Greater Than 90 days Total (in millions) Securities sold under agreement to repurchase (1) U.S. Treasury and agency securities $ — $ 1,891 $ — $ — $ 1,891 Total $ — $ 1,891 $ — $ — $ 1,891 ____________ (1) Excludes expense accrual of $ 9 million included in securities sold under agreements to repurchase on the consolidated balance sheets. The following table presents information about the Company’s offsetting financial assets and liabilities and derivative instruments at December 31, 2017 . Offsetting of Financial Assets and Liabilities and Derivative Instruments At December 31, 2017 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) ASSETS (1) Description Derivatives: Equity contracts $ 3,461 $ 1,660 $ 1,801 Interest ra	3) INVESTMENTS Fixed Maturities and Equity Securities The following table provides information relating to fixed maturities and equity securities classified as AFS: Available-for-Sale Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value OTTI in AOCI (3) (in millions) December 31, 2017: Fixed Maturity Securities: Public corporate $ 17,181 $ 806 $ 33 $ 17,954 $ — Private corporate 7,299 225 32 7,492 — U.S. Treasury, government and agency 17,759 1,000 251 18,508 — States and political subdivisions 422 67 — 489 — Foreign governments 395 29 5 419 — Commercial mortgage-backed — — — — — Residential mortgage-backed (1) 797 22 1 818 — Asset-backed (2) 745 5 1 749 2 Redeemable preferred stock 470 43 1 512 — Total Fixed Maturities 45,068 2,197 324 46,941 2 Equity securities 188 2 — 190 — Total at December 31, 2017 $ 45,256 $ 2,199 $ 324 $ 47,131 $ 2 December 31, 2016: Fixed Maturity Securities: Public corporate $ 15,930 $ 767 $ 102 $ 16,595 $ — Private corporate 7,133 221 57 7,297 — U.S. Treasury, government and agency 15,187 405 756 14,836 — States and political subdivisions 441 64 2 503 — Foreign governments 384 30 14 400 — Commercial mortgage-backed 472 31 108 395 8 Residential mortgage-backed (1) 980 27 2 1,005 — Asset-backed (2) 273 10 1 282 3 Redeemable preferred stock 532 45 11 566 — Total Fixed Maturities 41,332 1,600 1,053 41,879 11 Equity securities 113 — — 113 — Total at December 31, 2016 $ 41,445 $ 1,600 $ 1,053 $ 41,992 $ 11 (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime (3) Amounts represent OTTI losses in AOCI, which were not included in income (loss) in accordance with current accounting guidance. The contractual maturities of AFS fixed maturities at December 31, 2017 are shown in the table below. Bonds not due at a single maturity date have been included in the table in the final year of maturity. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Available-for-Sale Contractual Maturities Amortized Fair Value (in millions) December 31, 2017: Due in one year or less $ 1,651 $ 1,668 Due in years two through five 10,350 10,649 Due in years six through ten 13,638 13,852 Due after ten years 17,417 18,693 Subtotal 43,056 44,862 Residential mortgage-backed securities 797 818 Asset-backed securities 745 749 Redeemable preferred stocks 470 512 Total at December 31, 2017 $ 45,068 $ 46,941 The following table shows proceeds from sales, gross gains (losses) from sales and OTTI for AFS fixed maturities during 2017, 2016 and 2015: December 31, 2017 2016 2015 (in millions) Proceeds from sales $ 8,213 $ 5,036 $ 1,225 Gross gains on sales $ 107 $ 212 $ 44 Gross losses on sales $ (259 ) $ (60 ) $ (8 ) Total OTTI $ (15 ) $ (68 ) $ (42 ) Non-credit — — — Credit losses recognized in earnings (loss) $ (15 ) $ (68 ) $ (42 ) The following table sets forth the amount of credit loss impairments on fixed maturity securities held by the Company at the dates indicated and the corresponding changes in such amounts: Fixed Maturities - Credit Loss Impairments 2017 2016 (in millions) Balances at January 1, $ (239 ) $ (274 ) Previously recognized impairments on securities that matured, paid, prepaid or sold 236 103 Recognized impairments on securities impaired to fair value this period (1) — (17 ) Impairments recognized this period on securities not previously impaired (14 ) (49 ) Additional impairments this period on securities previously impaired (1 ) (2 ) Increases due to passage of time on previously recorded credit losses — — Accretion of previously recognized impairments due to increases in expected cash flows — — Balances at December 31, $ (18 ) $ (239 ) (1) Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security’s amortized cost. Net unrealized investment gains (losses) on fixed maturities and equity securities classified as AFS are included in the consolidated balance sheets as a component of AOCI. The table below presents these amounts as of the dates indicated: December 31, 2017 2016 (in millions) AFS Securities: Fixed maturities: With OTTI loss $ 2 $ 19 All other 1,871 528 Equity securities 2 — Net Unrealized Gains (Losses) $ 1,875 $ 547 Changes in net unrealized investment gains (losses) recognized in AOCI include reclassification adjustments to reflect amounts realized in Net income (loss) for the current period that had been part of OCI in earlier periods. The tables that follow below present a rollforward of net unrealized investment gains (losses) recognized in AOCI, split between amounts related to fixed maturity securities on which an OTTI loss has been recognized, and all other: Net Unrealized Gains (Losses) on Fixed Maturities with OTTI Losses Net Unrealized Gain (Losses) on Investments DAC Policyholders’ Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, January 1, 2017 $ 19 $ 1 $ (10 ) $ (4 ) $ 6 Net investment gains (losses) arising during the period (18 ) — — — (18 ) Reclassification adjustment for OTTI losses: Included in Net income (loss) 1 — — — 1 Excluded from Net income (loss) (1) — — — Impact of net unrealized investment gains (losses) on: DAC — (1 ) — — (1 ) Deferred income taxes — — — 4 4 Policyholders’ liabilities — — 9 — 9 Balance, December 31, 2017 $ 2 $ — $ (1 ) $ 0 $ 1 Balance, January 1, 2016 $ 21 $ — $ (4 ) $ (6 ) $ 11 Net investment gains (losses) arising during the period (17 ) — — — (17 ) Reclassification adjustment for OTTI losses: Included in Net income (loss) 15 — — — 15 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 1 — — 1 Deferred income taxes — — — 2 2 Policyholders’ liabilities — — (6 ) — (6 ) Balance, December 31, 2016 $ 19 $ 1 $ (10 ) $ (4 ) $ 6 (1) Represents “transfers in” related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss. All Other Net Unrealized Investment Gains (Losses) in AOCI Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, January 1, 2017 $ 528 $ (45 ) $ (192 ) $ (102 ) $ (189 ) Net investment gains (losses) arising during the period 1,329 — — — 1,329 Reclassification adjustment for OTTI losses: Included in Net income (loss) 14 — — — 14 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — (313 ) — — (313 ) Deferred income taxes — — — (295 ) (295 ) Policyholders’ liabilities — — (46 ) — (46 ) Balance, December 31, 2017 $ 1,871 $ (358 ) $ (238 ) $ (397 ) $ (878 ) Balance, January 1, 2016 $ 962 $ (128 ) $ (226 ) $ (213 ) $ 395 Net investment gains (losses) arising during the period (335 ) — — — (335 ) Reclassification adjustment for OTTI losses: Included in Net income (loss) (99 ) — — — (99 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 83 — — 83 Deferred income taxes — — — (111 ) (111 ) Policyholders’ liabilities — — 34 — 34 Balance, December 31, 2016 $ 528 $ (45 ) $ (192 ) $ (102 ) $ (189 ) (1) Represents “transfers out” related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss. The following tables disclose the fair values and gross unrealized losses of the 752 issues at December 31, 2017 and the 894 issues at December 31, 2016 of fixed maturities that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position for the specified periods at the dates indicated: Less Than 12 Months 12 Months or Longer Total Fair Value Gross Fair Value Gross Fair Value Gross (in millions) December 31, 2017: Fixed Maturity Securities: Public corporate $ 2,123 $ 15 $ 690 $ 18 $ 2,813 $ 33 Private corporate 780 8 641 24 1,421 32 U.S. Treasury, government and agency 2,718 6 4,506 245 7,224 251 States and political subdivisions 20 — — — 20 — Foreign governments 11 — 73 5 84 5 Commercial mortgage-backed — — — — — — Residential mortgage-backed 62 — 76 1 138 1 Asset-backed 15 1 12 — 27 1 Redeemable preferred stock 10 — 13 1 23 1 Total $ 5,739 $ 30 $ 6,011 $ 294 $ 11,750 $ 324 December 31, 2016: Fixed Maturity Securities: Public corporate $ 3,466 $ 95 $ 150 $ 7 $ 3,616 $ 102 Private corporate 1,548 39 283 18 1,831 57 U.S. Treasury, government and agency 7,290 756 — — 7,290 756 States and political subdivisions — — 18 2 18 2 Foreign governments 73 3 49 11 122 14 Commercial mortgage-backed 68 6 180 102 248 108 Residential mortgage-backed 347 2 35 — 382 2 Asset-backed 128 — 8 1 136 1 Redeemable preferred stock 227 10 12 1 239 11 Total $ 13,147 $ 911 $ 735 $ 142 $ 13,882 $ 1,053 The Company’s investments in fixed maturity securities do not include concentrations of credit risk of any single issuer greater than 10% of the consolidated equity of the Company, other than securities of the U.S. government, U.S. government agencies, and certain securities guaranteed by the U.S. government. The Company maintains a diversified portfolio of corporate securities across industries and issuers and does not have exposure to any single issuer in excess of 0.8% of total investments. The largest exposures to a single issuer of corporate securities held at December 31, 2017 and 2016 were $207 million and $173 million, respectively. Corporate high yield securities, consisting primarily of public high yield bonds, are classified as other than investment grade by the various rating agencies, i.e., a rating below Baa3/BBB- The Company does not originate, purchase or warehouse residential mortgages and is not in the mortgage servicing business. At December 31, 2017, the carrying value of fixed maturities that were non-income At December 31, 2017 and 2016, respectively, the fair value of the Company’s trading account securities was $14,170 million and $12,085 million. Included in the trading classification at December 31, 2017 and 2016, respectively, were U.S. Treasury securities with aggregate fair values of $0 million and $1,446 million, pledged under repos accounted for as collateralized borrowings and reported in Securities sold under repurchase agreements in the consolidated balance sheets. Also at December 31, 2017 and 2016, respectively, trading account securities included the General Account’s investment in Separate Accounts which had carrying values of $50 million and $64 million. Mortgage Loans The payment terms of mortgage loans may from time to time be restructured or modified. Troubled Debt Restructuring The investment in troubled debt restructured mortgage loans, based on amortized cost, amounted to $0 million and $15 million at December 31, 2017 and 2016, respectively. Gross interest income on these loans included in net investment income (loss) totaled $0 million, $0 million and $1 million in 2017, 2016 and 2015, respectively. Valuation Allowances for Mortgage Loans: Allowance for credit losses for mortgage loans for 2017, 2016 and 2015 are as follows: Commercial Mortgage Loans 2017 2016 2015 (in millions) Allowance for credit losses: Beginning Balance, January 1, $ 8 $ 6 $ 37 Charge-offs — — (32 ) Recoveries — (2 ) (1 ) Provision — 4 2 Ending Balance, December 31, $ 8 $ 8 $ 6 Ending Balance, December 31, Individually Evaluated for Impairment $ 8 $ 8 $ 6 There were no allowances for credit losses for agricultural mortgage loans in 2017, 2016 and 2015. The following tables provide information relating to the loan-to-value Mortgage Loans by Loan-to-Value December 31, 2017 Debt Service Coverage Ratio (1) Loan-to-Value (2) Greater 1.8x to 1.5x to 1.2x to 1.0x to Less Total (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 759 $ — $ 320 $ 74 $ — $ — $ 1,153 50% - 70% 4,088 682 1,066 428 145 — 6,409 70% - 90% 169 110 196 272 50 — 797 90% plus — — 27 — — — 27 Total Commercial Mortgage Loans $ 5,016 $ 792 $ 1,609 $ 774 $ 195 $ — $ 8,386 Agricultural Mortgage Loans (1) 0% - 50% $ 272 $ 149 $ 275 $ 515 $ 316 $ 30 $ 1,557 50% - 70% 111 46 227 359 221 49 1,013 70% - 90% — — — 4 — — 4 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 383 $ 195 $ 502 $ 878 $ 537 $ 79 $ 2,574 Total Mortgage Loans (1) 0% - 50% $ 1,031 $ 149 $ 595 $ 589 $ 316 $ 30 $ 2,710 50% - 70% 4,199 728 1,293 787 366 49 7,422 70% - 90% 169 110 196 276 50 — 801 90% plus — — 27 — — — 27 Total Mortgage Loans $ 5,399 $ 987 $ 2,111 $ 1,652 $ 732 $ 79 $ 10,960 (1) The debt service coverage ratio is calculated using the most recently reported operating earnings results from property operations divided by annual debt service. (2) The loan-to-value Mortgage Loans by Loan-to-Value December 31, 2016 Debt Service Coverage Ratio (1) Loan-to-Value (2) Greater 1.8x to 1.5x to 1.2x to 1.0x to Less Total (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 755 $ 95 $ 59 $ 56 $ — $ — $ 965 50% - 70% 3,217 430 673 1,100 76 — 5,496 70% - 90% 282 65 229 127 28 46 777 90% plus — — 28 15 — — 43 Total Commercial Mortgage Loans $ 4,254 $ 590 $ 989 $ 1,298 $ 104 $ 46 $ 7,281 Agricultural Mortgage Loans (1) 0% - 50% $ 254 $ 138 $ 296 $ 468 $ 286 $ 49 $ 1,491 50% - 70% 141 57 209 333 219 45 1,004 70% - 90% — — 2 4 — — 6 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 395 $ 195 $ 507 $ 805 $ 505 $ 94 $ 2,501 Total Mortgage Loans (1) 0% - 50% $ 1,009 $ 233 $ 355 $ 524 $ 286 $ 49 $ 2,456 50% - 70% 3,358 487 882 1,433 295 45 6,500 70% - 90% 282 65 231 131 28 46 783 90% plus — — 28 15 — — 43 Total Mortgage Loans $ 4,649 $ 785 $ 1,496 $ 2,103 $ 609 $ 140 $ 9,782 (1) The debt service coverage ratio is calculated using the most recently reported operating earnings results from property operations divided by annual debt service. (2) The loan-to-value The following table provides information relating to the aging analysis of past due mortgage loans at December 31, 2017 and 2016, respectively. Age Analysis of Past Due Mortgage Loan 30-59 60-89 Days 90 Days Or > Total Current Total Financing Receivables Recorded (in millions) December 31, 2017: Commercial $ 27 $ — $ — $ 27 $ 8,359 $ 8,386 $ — Agricultural 49 3 22 74 2,500 2,574 22 Total Mortgage Loans $ 76 $ 3 $ 22 $ 101 $ 10,859 $ 10,960 $ 22 December 31, 2016: Commercial $ — $ — $ — $ — $ 7,281 $ 7,281 $ — Agricultural 9 2 6 17 2,484 2,501 6 Total Mortgage Loans $ 9 $ 2 $ 6 $ 17 $ 9,765 $ 9,782 $ 6 The following table provides information relating to impaired mortgage loans at December 31, 2017 and 2016, respectively. Impaired Mortgage Loans Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment (1) Interest Income Recognized (in millions) December 31, 2017: With no related allowance recorded: Commercial mortgage loans - other $ — $ — $ — $ — $ — Agricultural mortgage loans — — — — — Total $ — $ — $ — $ — $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (8 ) $ 27 $ 2 Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (8 ) $ 27 $ 2 December 31, 2016: With no related allowance recorded: Commercial mortgage loans - other $ 15 $ 15 $ — $ 22 $ — Agricultural mortgage loans — — — — — Total $ 15 $ 15 $ — $ 22 $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (8 ) $ 48 $ 2 Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (8 ) $ 48 $ 2 (1) Represents a five-quarter average of recorded amortized cost. Real Estate In January 2016, the Company completed the sale of a property located at 787 7th Avenue, New York, New York for a price of $1.9 billion and realized a pre-tax pre-tax held-for-sale Equity Method Investments Included in other equity investments are limited partnership interests accounted for under the equity method with a total carrying value of $1,114 million and $1,133 million, respectively, at December 31, 2017 and 2016. The Company’s total equity in Net income (loss) for these limited partnership interests was $154 million and $50 million, respectively, for 2017 and 2016. Derivatives and Offsetting Assets and Liabilities The Company uses derivatives as part of its overall asset/liability risk management primarily to reduce exposures to equity market and interest rate risks. Derivative hedging strategies are designed to reduce these risks from an economic perspective and are all executed within the framework of a “Derivative Use Plan” approved by applicable states’ insurance law. Derivatives are generally not accounted for using hedge accounting, with the exception of Treasury Inflation-Protected Securities (“TIPS”), which is discussed further below. Operation of these hedging programs is based on models involving numerous estimates and assumptions, including, among others, mortality, lapse, surrender and withdrawal rates, election rates, fund performance, market volatility and interest rates. A wide range of derivative contracts are used in these hedging programs, including exchange traded equity, currency and interest rate futures contracts, total return and/or other equity swaps, interest rate swap and floor contracts, bond and bond-index total return swaps, swaptions, variance swaps and equity options, credit and foreign exchange derivatives, as well as bond and repo transactions to support the hedging. The derivative contracts are collectively managed in an effort to reduce the economic impact of unfavorable changes in guaranteed benefits’ exposures attributable to movements in capital markets. In addition, as part of its hedging strategy, the Company targets an asset level for all variable annuity products at or above a CTE98 level under most economic scenarios (CTE is a statistical measure of tail risk which quantifies the total asset requirement to sustain a loss if an event outside a given probability level has occurred. CTE 98 denotes the financial resources a company would need to cover the average of the worst 2% of scenarios.) Derivatives utilized to hedge exposure to Variable Annuities with Guarantee Features The Company has issued and continues to offer variable annuity products with GMxB features. The risk associated with the GMDB feature is that under-performance of the financial markets could result in GMDB benefits, in the event of death, being higher than what accumulated policyholders’ account balances would support. The risk associated with the GMIB feature is that under-performance of the financial markets could result in the present value of GMIB, in the event of annuitization, being higher than what accumulated policyholders’ account balances would support, taking into account the relationship between current annuity purchase rates and the GMIB guaranteed annuity purchase rates. The risk associated with products that have a GMxB derivative features liability is that under-performance of the financial markets could result in the GMxB derivative features’ benefits being higher than what accumulated policyholders’ account balances would support. For GMxB features, the Company retains certain risks including basis, credit spread and some volatility risk and risk associated with actual versus expected actuarial assumptions for mortality, lapse and surrender, withdrawal and policyholder election rates, among other things. The derivative contracts are managed to correlate with changes in the value of the GMxB features that result from financial markets movements. A portion of exposure to realized equity volatility is hedged using equity options and variance swaps and a portion of exposure to credit risk is hedged using total return swaps on fixed income indices. Additionally, the Company is party to total return swaps for which the reference U.S. Treasury securities are contemporaneously purchased from the market and sold to the swap counterparty. As these transactions result in a transfer of control of the U.S. Treasury securities to the swap counterparty, the Company derecognizes these securities with consequent gain or loss from the sale. The Company has also purchased reinsurance contracts to mitigate the risks associated with GMDB features and the impact of potential market fluctuations on future policyholder elections of GMIB features contained in certain annuity contracts issued by the Company. Derivatives utilized to hedge crediting rate exposure on SCS, SIO, MSO and IUL products/investment options The Company hedges crediting rates in the Structured Capital Strategies (“SCS”) variable annuity, Structured Investment Option in the EQUI-VEST variable annuity series (“SIO”), Market Stabilizer Option (“MSO”) in the variable life insurance products and Indexed Universal Life (“IUL”) insurance products. These products permit the contract owner to participate in the performance of an index, ETF or commodity price movement up to a cap for a set period of time. They also contain a protection feature, in which the Company will absorb, up to a certain percentage, the loss of value in an index, ETF or commodity price, which varies by product segment. In order to support the returns associated with these features, the Company enters into derivative contracts whose payouts, in combination with fixed income investments, emulate those of the index, ETF or commodity price, subject to caps and buffers without any basis risk due to market exposures, thereby substantially reducing any exposure to market-related earnings volatility. Derivatives used for General Account Investment Portfolio The Company maintains a strategy in its General Account investment portfolio to replicate the credit exposure of fixed maturity securities otherwise permissible for investment under its investment guidelines through the sale of credit default swaps (“CDSs”). Under the terms of these swaps, the Company receives quarterly fixed premiums that, together with any initial amount paid or received at trade inception, replicate the credit spread otherwise currently obtainable by purchasing the referenced entity’s bonds of similar maturity. These credit derivatives generally have remaining terms of five years or less and are recorded at fair value with changes in fair value, including the yield component that emerges from initial amounts paid or received, reported in Net investment income (loss). The Company manages its credit exposure taking into consideration both cash and derivatives based positions and selects the reference entities in its replicated credit exposures in a manner consistent with its selection of fixed maturities. In addition, the Company generally transacts the sale of CDSs in single name reference entities of investment grade credit quality and with counterparties subject to collateral posting requirements. If there is an event of default by the reference entity or other such credit event as defined under the terms of the swap contract, the Company is obligated to perform under the credit derivative and, at the counterparty’s option, either pay the referenced amount of the contract less an auction-determined recovery amount or pay the referenced amount of the contract and receive in return the defaulted or similar security of the reference entity for recovery by sale at the contract settlement auction. To date, there have been no events of default or circumstances indicative of a deterioration in the credit quality of the named referenced entities to require or suggest that the Company will have to perform under these CDSs. The maximum potential amount of future payments the Company could be required to make under these credit derivatives is limited to the par value of the referenced securities which is the dollar or euro-equivalent of the derivative notional amount. The Standard North American CDS Contract (“SNAC”) or Standard European Corporate Contract (“STEC”) under which the Company executes these CDS sales transactions does not contain recourse provisions for recovery of amounts paid under the credit derivative. The Company purchased 30-year non-inflation The Company implemented a strategy to hedge a portion of the credit exposure in its General Account investment portfolio by buying protection through a swap. These are swaps on the “super senior tranche” of the investment grade CDX index. Under the terms of these swaps, the Company pays quarterly fixed premiums that, together with any initial amount paid or received at trade inception, serve as premiums paid to hedge the risk arising from multiple defaults of bonds referenced in the CDX index. These credit derivatives have terms of five years or less and are recorded at fair value with changes in fair value, including the yield component that emerges from initial amounts paid or received, reported in Net derivative gains (losses). In 2016, the Company implemented a program to mitigate its duration gap using total return swaps for which the reference U.S. Treasury securities are sold to the swap counterparty under arrangements economically similar to repurchase agreements. As these transactions result in a transfer of control of the U.S. Treasury securities to the swap counterparty, the Company derecognizes these securities with consequent gain or loss from the sale. Under this program, the Company derecognized approximately $3,905 million of U.S. Treasury securities for which the Company received proceeds of approximately $3,905 million at inception of the total return swap contract. Under the terms of these swaps, the Company retains ongoing exposure to the total returns of the underlying U.S. Treasury securities in exchange for a financing cost. At December 31, 2017, the aggregate fair value of U.S. Treasury securities derecognized under this program was approximately $3,796 million. Reported in Other invested assets in the Company’s balance sheet at December 31, 2017 is approximately $(23) million, representing the fair value of the total return swap contracts. Derivatives used to hedge currency fluctuations on affiliated loans The Company uses foreign exchange derivatives to reduce exposure to currency fluctuations that may arise from non-U.S.-dollar The tables below present quantitative disclosures about the Company’s derivative instruments, including those embedded in other contracts required to be accounted for as derivative instruments: Derivative Instruments by Category For the Year Ended December 31, 2017 Fair Value Notional Asset Liability Gains (Losses) (in millions) Freestanding Investment Derivatives: Equity contracts: (1) Futures $ 6,716 $ 1 $ 2 $ (1,297 ) Swaps 7,623 4 201 (1,413 ) Options 22,223 3,456 1,457 1,265 Interest rate contracts: (1) Floors Swaps 26,769 604 193 863 Futures 20,675 — — 293 Credit contracts: (1) Credit default swaps 2,131 35 3 19 Other freestanding contracts: (1) Foreign currency contracts 1,423 19 10 (39 ) Margin — 24 4 — Collateral paid — 4 — — Collateral received — — 2,123 — Embedded and Freestanding Insurance Derivatives: GMIB reinsurance contracts (6) — 1,894 — 174 GMxB derivative features liability (3,6) — — 4,451 1,652 SCS, SIO, MSO and IUL indexed features liability (5,6) — — 1,786 (1,303 ) Net derivative investment (gains) loss 214 Cross currency swaps (2,4) 354 5 — 40 Balances, December 31, 2017 $ 87,914 $ 6,046 $ 10,230 $ 254 (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statement of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss). Derivative Instruments by Category At or For the Year Ended December 31, 2016 Fair Value Notional Asset Liability Gains (Losses) (in millions) Freestanding Investment Derivatives: Equity contracts: (1) Futures $ 9,131 $ 1 $ 1 $ (1,445 ) Swaps 5,933 22 117 (459 ) Options 12,241 2,190 1,174 746 Interest rate contracts: (1) Floors 1,500 11 — 4 Swaps 26,133 514 1,443 (198 ) Futures 14,818 — — 156 Credit contracts: (1) Credit default swaps 2,757 20 15 15 Other freestanding contracts: (1) Foreign currency contracts 730 52 6 45 Margin — 121 6 — Collateral — 935 908 — Embedded and Freestanding Insurance Derivatives: GMIB reinsurance contracts (6) — 1,735 — (77 ) GMxB derivative features liability (3,6) — — 5,731 136 SCS, SIO, MSO and IUL indexed features liability (5, 6) — — 940 (771 ) Net derivative gains (loss) (1,848 ) Cross currency swaps (2, 4) 391 — 81 (19 ) Balances, December 31, 2016 $ 73,634 $ 5,601 $ 10,422 $ (1,867 ) (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statement of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss). For 2017, 2016 and 2015, respectively, Net derivative gains (losses) from derivatives included $(2,206) million, $(482) million and $(483) million of realized gains (losses) on contracts closed during those periods and $1,937 million, $(655) million and $(752) million of unrealized gains (losses) on derivative positions at each respective year end. Equity-Based and Treasury Futures Contracts Margin All outstanding equity-based and treasury futures contracts at December 31, 2017 are exchange-traded and net settled daily in cash. At December 31, 2017, the Company had open exchange-traded futures positions on: (i) the S&P 500, Russell 2000 and Emerging Market indices, having initial margin requirements of $208 million, (ii) the 2-year, 5-year 10-year Credit Risk Although notional amount is the most commonly used measure of volume in the derivatives market, it is not used as a measure of credit risk. A derivative with positive fair value (a derivative asset) indicates existence of credit risk because the counterparty would owe money to the Company if the contract were closed at the reporting date. Alternatively, a derivative contract with negative fair value (a derivative liability) indicates the Company would owe money to the counterparty if the contract were closed at the reporting date. To reduce credit exposures in Over-the-Counter ISDA Master Agreements Netting Provisions set-off pre-defined Collateral Arrangements “out-of-the-money” At December 31, 2017 and 2016, respectively, the Company held $2,123 million and $740 million in cash and securities collateral delivered by trade counterparties, representing the fair value of the related derivative agreements. This unrestricted cash collateral is reported in Cash and cash equivalents. The aggregate fair value of all collateralized derivative transactions that were in a liability position with trade counterparties as of December 31, 2017 and 2016, respectively, were $2 million and $747 million, for which the Company posted collateral of $4 million and $868 million at December 31, 2017 and 2016, respectively, in the normal operation of its collateral arrangements. Certain of the Company’s ISDA Master Agreements contain contingent provisions that permit the counterparty to terminate the ISDA Master Agreement if the Company’s credit rating falls below a specified threshold, however, the occurrence of such credit event would not impose additional collateral requirements. Margin Effective January 3, 2017, the CME amended its rulebook, resulting in the characterization of variation margin transfers as settlement payments, as opposed to adjustments to collateral. These amendments impacted the accounting treatment of the Company’s centrally cleared derivatives for which the CME serves as the central clearing party.

GOODWILL AND OTHER INTANGIBLE A

GOODWILL AND OTHER INTANGIBLE ASSETS	12 Months Ended
	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
GOODWILL AND OTHER INTANGIBLE ASSETS	4) GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill represents the excess of purchase price over the estimated fair value of identifiable net assets acquired in a business combination. The Company tests goodwill for recoverability each annual reporting period at December 31 and at interim periods if facts or circumstances are indicative of potential impairment. The Company managed its business under two operating segments through third quarter 2017, each deemed to be reporting units for purpose of its goodwill impairment assessments. Effective January 1, 2017, the Company early adopted the new goodwill guidance that eliminates Step 2 from the impairment model and continues to limit the measure of goodwill impairment to the carrying amount of the reporting unit’s goodwill. As a result, the Company recognized an impairment loss of $369 million during first quarter 2017, representing all of the goodwill assigned to its Financial Advisory/Insurance reporting unit for which recoverability previously had been supported by a Step 2 assessment. The carrying value of goodwill assigned to the Company’s Investment Management reporting unit totaled $4,570 million and $4,570 million at December 31, 2017 and 2016, respectively, resulting from its investment in AB as well as direct strategic acquisitions of AB, including its purchase of Sanford C. Bernstein, Inc. For purpose of testing this goodwill for impairment, the Company applied a discounted cash flow valuation technique to measure the fair value of the reporting unit, sourcing the underlying cash flows and assumptions from AB’s current business plan projections and adjusting the result to reflect the noncontrolling interest in AB as well as incremental taxes at the Company level as related to the form and structure of its investment in AB. At December 31, 2017 and 2016, the Company’s annual testing resulted in no impairment of this goodwill as the fair value of the reporting unit exceeded its carrying amount at each respective date. In fourth quarter 2017, the Company recast its Financial Advisory/Insurance segment into multiple operating segments as described in Note 18, Business Segment Information. Accordingly, goodwill previously attributed to the Financial Advisory/Insurance segment in reporting periods prior thereto was reassigned to the reporting units affected using a relative fair value allocation approach in accordance with the relevant accounting guidance. Goodwill resulting from the Company’s investment in AB was reassigned to the Company’s Investment Management and Research segment and the resulting reporting unit redefined. Immediately prior thereto, the Company determined there were no indications of potential goodwill impairment that would require quantitative assessment prior to its annual testing at December 31, 2017. Information regarding goodwill by reporting segment and Corporate and Other is as follows: Individual Group Protection Corporate Subtotal Investment Total (in millions) Balance at January 1, 2015 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Accumulated impairment losses — — — — — — — Total goodwill, net $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Goodwill acquired during year — — — — — — $ — Impairment losses recognized during year — — — — — — — Balance at December 31, 2015 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Accumulated impairment losses — — — — — — — Total goodwill, net $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Goodwill acquired during year — — — — — 22 22 Impairment losses recognized during year — — — — — — — Balance at December 31, 2016 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,570 $ 4,939 Accumulated impairment losses — — — — — — — Total goodwill, net $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,570 $ 4,939 Goodwill acquired during year — — — — — — — Impairment losses recognized during year $ (53 ) (122 ) (139 ) (55 ) (369 ) — (369 ) Balance at December 31, 2017 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,570 $ 4,939 Accumulated impairment losses (53 ) (122 ) (139 ) (55 ) (369 ) — (369 ) Total goodwill, net $ — $ — $ — $ — $ — $ 4,570 $ 4,570 The Company has certain intangible assets recorded in other assets related to the acquisition of MONY Life. At December 31, 2017 and 2016, the gross carrying amount was $449 million and $449 million and accumulated amortization was $438 million and $436 million, respectively. For 2017, 2016 and 2015, total amortization expense related to these intangible assets was $2 million, $12 million and $3 million respectively. Intangible assets amortization expense is estimated to range from $1 million to $2 million through 2022. At December 31, 2017 and 2016, respectively, net deferred sales commissions from AB totaled $30 million and $64 million and are included within other assets. The estimated amortization expense of deferred sales commissions, based on the December 31, 2017 net asset balance for each of the next five years is $21 million, $6 million, $3 million, $0 million and $0 million. The Company tests the deferred sales commission asset for impairment quarterly by comparing undiscounted future cash flows to the recorded value, net of accumulated amortization. Each quarter, significant assumptions used to estimate the future cash flows are updated to reflect management’s consideration of current market conditions on expectations made with respect to future market levels and redemption rates. As of December 31, 2017 and 2016, the Company determined that the deferred sales commission asset was not impaired. The gross carrying amount of AB related intangible assets was $909 million and $911 million at December 31, 2017 and 2016, respectively and the accumulated amortization of these intangible assets was $659 million and $617 million at December 31, 2017 and 2016, respectively. Amortization expense for AB related intangible assets totaled $44 million, $42 million and $41 million for 2017, 2016 and 2015, respectively. Estimated annual amortization expense for each of the next two years is approximately $43 million, then approximately $36 million in year three and $20 million in years four and five. On September 23, 2016, AB acquired a 100% ownership interest in Ramius Alternative Solutions LLC (“RASL”), a global alternative investment management business that, as of the acquisition date, had approximately $2.5 billion in AUM. RASL offers a range of customized alternative investment and advisory solutions to a global institutional client base. On the acquisition date, AB made a cash payment of $21 million and recorded a contingent consideration payable of $12 million based on projected fee revenues over a five-year measurement period. Goodwill in the amount of $22 million and finite-lived intangible assets of $10 million related to investment management contracts also were recognized at the date of acquisition. On June 20, 2014, AB acquired an 81.7% ownership interest in CPH Capital Fondsmaeglerselskab A/S (“CPH”), a Danish asset management firm that managed approximately $3,000 million in global core equity assets for institutional investors, for a cash payment of $64 million and a contingent consideration payable of $9 million based on projected assets under management levels over a three-year measurement period. Also recognized on the date of acquisition were $58 million of goodwill, $24 million of finite-lived intangible assets related to separately-managed account relationships, and $4 million of indefinite-lived intangible assets related to an acquired fund’s investment contract. Redeemable noncontrolling interest of $17 million was recorded as related to the fair value of CPH not purchased by AB. During 2016 and 2017, AB purchased additional shares of CPH, bringing its ownership interest to 93.6% as of December 31, 2017. The acquisitions described above did not have a significant impact on the Company’s consolidated revenues or net income. As a result, supplemental pro forma information has not been provided. Additional information regarding the contingent payment obligations associated with these and other acquisitions made by AB is included in Note 7, Fair Value Disclosures. Capitalized Software Capitalized software, net of accumulated amortization, amounted to $162 million and $170 million at December 31, 2017 and 2016, respectively, and is recorded in other assets. Amortization of capitalized software in 2017 and 2016 was $51 million and $56 million, respectively, recorded in other operating costs and expenses in the Consolidated Statements of Income (loss).

CLOSED BLOCK

CLOSED BLOCK	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Text Block [Abstract]
CLOSED BLOCK		5) CLOSED BLOCK Summarized financial information for the Company’s Closed Block is as follows: December 31, 2017 2016 (in millions) Closed Block Liabilities: Future policy benefits, policyholders’ account balances and other $ 6,945 $ 7,179 Policyholder dividend obligation 32 52 Other liabilities 271 43 Total Closed Block liabilities 7,248 7,274 Assets Designated To The Closed Block: Fixed maturities, available for sale, at fair value (amortized cost of $3,923 and $3,884) 4,070 4,025 Mortgage loans on real estate 1,720 1,623 Policy loans 781 839 Cash and other invested assets 351 444 Other assets 219 213 Total assets designated to the Closed Block 7,141 7,144 Excess of Closed Block liabilities over assets designated to the Closed Block 107 130 Amounts included in accumulated other comprehensive income (loss): Net unrealized investment gains (losses), net of policyholder dividend obligation of $19 and $52 138 100 Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities $ 245 $ 230 The Company’s Closed Block revenues and expenses follow: Years Ended December 31, 2017 2016 2015 (in millions) Revenues: Premiums and other income $ 224 $ 212 $ 236 Investment income (loss) 314 349 368 Net investment gains (losses) (20 ) (1 ) 2 Total revenues 518 560 606 Benefits and Other Deductions: Policyholders’ benefits and dividends 537 522 550 Other operating costs and expenses 2 4 4 Total benefits and other deductions 539 526 554 Net income, before income taxes (21 ) 34 52 Income tax (expense) benefit 6 (12 ) (18 ) Net income (losses) $ (15 ) $ 22 $ 34 A reconciliation of the Company’s policyholder dividend obligation follows: December 31, 2017 2016 (in millions) Balance, beginning of year $ 52 $ 81 Unrealized investment gains (losses) (20 ) (29 ) Balance, end of year $ 32 $ 52
CLOSED BLOCK	CLOSED BLOCK Summarized financial information for the Company’s Closed Block is as follows: September 30, December 31, (in millions) CLOSED BLOCK LIABILITIES: Future policy benefits, policyholders’ account balances and other $ 6,788 $ 6,958 Policyholder dividend obligation — 19 Other liabilities 48 271 Total Closed Block liabilities 6,836 7,248 ASSETS DESIGNATED TO THE CLOSED BLOCK: Fixed maturities, available for sale, at fair value (amortized cost of $3,681 and $3,923) 3,669 4,070 Mortgage loans on real estate 1,902 1,720 Policy loans 745 781 Cash and other invested assets 39 351 Other assets 187 182 Total assets designated to the Closed Block 6,542 7,104 Excess of Closed Block liabilities over assets designated to the Closed Block 294 144 Amounts included in accumulated other comprehensive income (loss): Net unrealized investment gains (losses), net of policyholder dividend obligation of $0 and $19 (2 ) 138 Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities $ 292 $ 282 The Company’s Closed Block revenues and expenses are as follows: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) REVENUES: Premiums and other income $ 44 $ 52 $ 144 $ 167 Net investment income (loss) 72 82 218 244 Net investment gains (losses) — (2 ) 1 (18 ) Total revenues 116 132 363 393 BENEFITS AND OTHER DEDUCTIONS: Policyholders’ benefits and dividends 123 132 372 416 Other operating costs and expenses 1 1 3 2 Total benefits and other deductions 124 133 375 418 Net revenues (loss) before income taxes (8 ) (1 ) (12 ) (25 ) Income tax (expense) benefit 2 1 2 9 Net revenues (losses) $ (6 ) $ — $ (10 ) $ (16 ) A reconciliation of the Company’s policyholder dividend obligation follows: Nine Months Ended 2018 2017 (in millions) Balances, beginning of year $ 19 $ 52 Unrealized investment gains (losses), net of DAC (19 ) (5 ) Balances, end of period $ — $ 47

DAC AND POLICYHOLDER BONUS INTE

DAC AND POLICYHOLDER BONUS INTEREST CREDITS	12 Months Ended
	Dec. 31, 2017
Text Block [Abstract]
DAC AND POLICYHOLDER BONUS INTEREST CREDITS	6) DAC AND POLICYHOLDER BONUS INTEREST CREDITS Changes in deferred acquisition costs at December 31, 2017 and 2016 were as follows: December 31, 2017 2016 (in millions) Balance, beginning of year $ 6,049 $ 6,047 Capitalization of commissions, sales and issue expenses 687 697 Amortization (503 ) (779 ) Change in unrealized investment gains and losses (314 ) 84 Balance, end of year $ 5,919 $ 6,049 The components of Amortization of deferred policy acquisition costs, net as presented in the income statement are as follows: December 31, 2017 2016 2015 (in millions) Commissions and distribution related payments $ 523 $ 536 $ 559 Compensation and benefits 156 154 157 Other operating costs and expenses 8 7 7 Capitalization of commissions, sales and issue expenses 687 697 723 Amortization (503 ) (779 ) (431 ) Amortization of deferred policy acquisition costs, net $ 184 $ (82 ) $ 292 Changes in the deferred asset for policyholder bonus interest credits are as follows: December 31, 2017 2016 (in millions) Balance, beginning of year $ 504 $ 534 Policyholder bonus interest credits deferred 7 13 Amortization charged to income (38 ) (43 ) Balance, end of year $ 473 $ 504

FAIR VALUE DISCLOSURES

FAIR VALUE DISCLOSURES	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
FAIR VALUE DISCLOSURES	FAIR VALUE DISCLOSURES Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The accounting guidance established a fair value hierarchy that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value, and identifies three levels of inputs that may be used to measure fair value: Level 1 Unadjusted quoted prices for identical instruments in active markets. Level 1 fair values generally are supported by market transactions that occur with sufficient frequency and volume to provide pricing information on an ongoing basis. Level 2 Observable inputs other than Level 1 prices, such as quoted prices for similar instruments, quoted prices in markets that are not active, and inputs to model-derived valuations that are directly observable or can be corroborated by observable market data. Level 3 Unobservable inputs supported by little or no market activity and often requiring significant management judgment or estimation, such as an entity’s own assumptions about the cash flows or other significant components of value that market participants would use in pricing the asset or liability. The Company uses unadjusted quoted market prices to measure the fair value of instruments that are actively traded in financial markets. In cases where quoted market prices are not available, fair values are measured using present value or other valuation techniques. The fair value determinations are made at a specific point in time, based on available market information and judgments about the financial instrument, including estimates of the timing and amount of expected future cash flows and the credit standing of counterparties. Such adjustments do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument, nor do they consider the tax impact of the realization of unrealized gains or losses. In many cases, the fair value cannot be substantiated by direct comparison to independent markets, nor can the disclosed value be realized in immediate settlement of the instrument. Management is responsible for the determination of the value of investments carried at fair value and the supporting methodologies and assumptions. Under the terms of various service agreements, the Company often utilizes independent valuation service providers to gather, analyze, and interpret market information and derive fair values based upon relevant methodologies and assumptions for individual securities. These independent valuation service providers typically obtain data about market transactions and other key valuation model inputs from multiple sources and, through the use of widely accepted valuation models, provide a single fair value measurement for individual securities for which a fair value has been requested. As further described below with respect to specific asset classes, these inputs include, but are not limited to, market prices for recent trades and transactions in comparable securities, benchmark yields, interest rate yield curves, credit spreads, quoted prices for similar securities, and other market-observable information, as applicable. Specific attributes of the security being valued also are considered, including its term, interest rate, credit rating, industry sector, and when applicable, collateral quality and other security- or issuer-specific information. When insufficient market observable information is available upon which to measure fair value, the Company either will request brokers knowledgeable about these securities to provide a non-binding quote or will employ internal valuation models. Fair values received from independent valuation service providers and brokers and those internally modeled or otherwise estimated are assessed for reasonableness. Assets and liabilities measured at fair value on a recurring basis are summarized below. At September 30, 2018 and December 31, 2017 , no assets were required to be measured at fair value on a non-recurring basis. Fair value measurements are required on a non-recurring basis for certain assets, including goodwill and mortgage loans on real estate, only when an OTTI or other event occurs. When such fair value measurements are recorded, they must be classified and disclosed within the fair value hierarchy. The Company recognizes transfers between valuation levels at the beginning of the reporting period. Fair Value Measurements at September 30, 2018 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale: Corporate $ — $ 26,908 $ 1,142 $ 28,050 U.S. Treasury, government and agency — 13,457 — 13,457 States and political subdivisions — 420 39 459 Foreign governments — 448 — 448 Residential mortgage-backed (1) — 242 — 242 Asset-backed (2) — 83 537 620 Redeemable preferred stock 176 327 — 503 Total fixed maturities, available-for-sale $ 176 $ 41,885 $ 1,718 $ 43,779 Other equity investments $ 12 $ — $ 53 $ 65 Trading securities 537 14,420 36 14,993 Other invested assets: Short-term investments — 1,499 — 1,499 Assets of consolidated VIEs/VOEs 86 214 28 328 Swaps — (433 ) — (433 ) Credit Default Swaps — 25 — 25 Futures — — — — Options — 2,554 — 2,554 Total other invested assets $ 86 $ 3,859 $ 28 $ 3,973 Cash equivalents $ 3,849 $ — $ — $ 3,849 Segregated securities — 1,263 — 1,263 GMIB reinsurance contract asset — — 1,375 1,375 Separate Accounts assets 122,634 2,720 367 125,721 Total Assets $ 127,294 $ 64,147 $ 3,577 $ 195,018 Liabilities Other invested liabilities GMxB derivative features’ liability $ — $ — $ 4,294 $ 4,294 SCS, SIO, MSO and IUL indexed features’ liability — 2,458 — 2,458 Liabilities of consolidated VIEs/VOEs 1 3 — 4 Contingent payment arrangements — — 12 12 Total Liabilities $ 1 $ 2,461 $ 4,306 $ 6,768 ______________ (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans. Fair Value Measurements at December 31, 2017 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale: Corporate $ — $ 24,296 $ 1,150 $ 25,446 U.S. Treasury, government and agency — 18,508 — 18,508 States and political subdivisions — 449 40 489 Foreign governments — 419 — 419 Residential mortgage-backed (1) — 818 — 818 Asset-backed (2) — 208 541 749 Redeemable preferred stock 184 327 1 512 Total fixed maturities, available-for-sale $ 184 $ 45,025 $ 1,732 $ 46,941 Other equity investments $ 13 $ — $ 34 $ 47 Trading securities 485 13,647 38 14,170 Other invested assets: Short-term investments — 1,730 — 1,730 Assets of consolidated VIEs/VOEs 1,060 215 27 1,302 Swaps — 222 — 222 Credit Default Swaps — 33 — 33 Futures (2 ) — — (2 ) Foreign currency contract (3) — 5 — 5 Options — 1,999 — 1,999 Total other invested assets $ 1,058 $ 4,204 $ 27 $ 5,289 Cash equivalents 3,608 — — 3,608 Segregated securities — 825 — 825 GMIB reinsurance contract asset — — 1,894 1,894 Separate Accounts’ assets 121,000 2,997 349 124,346 Total Assets $ 126,348 $ 66,698 $ 4,074 $ 197,120 Liabilities Other invested liabilities GMxB derivative features’ liability $ — $ — $ 4,451 $ 4,451 SCS, SIO, MSO and IUL indexed features’ liability — 1,786 — 1,786 Liabilities of consolidated VIEs/VOEs 670 22 — 692 Contingent payment arrangements — — 15 15 Total Liabilities $ 670 $ 1,808 $ 4,466 $ 6,944 _______________ (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans. (3) Reported in Other assets in the consolidated balance sheets. The Company’s corporate fixed maturities includes both public and private issues. The fair values of the Company’s public fixed maturities are generally based on prices obtained from independent valuation service providers and for which the Company maintains a vendor hierarchy by asset type based on historical pricing experience and vendor expertise. Although each security generally is priced by multiple independent valuation service providers, the Company ultimately uses the price received from the independent valuation service provider highest in the vendor hierarchy based on the respective asset type, with limited exception. To validate reasonableness, prices also are internally reviewed by those with relevant expertise through comparison with directly observed recent market trades. Consistent with the fair value hierarchy, public fixed maturities validated in this manner generally are reflected within Level 2, as they are primarily based on observable pricing for similar assets and/or other market observable inputs. If the pricing information received from independent valuation service providers is not reflective of market activity or other inputs observable in the market, the Company may challenge the price through a formal process in accordance with the terms of the respective independent valuation service provider agreement. If as a result it is determined that the independent valuation service provider is able to reprice the security in a manner agreed as more consistent with current market observations, the security remains within Level 2. Alternatively, a Level 3 classification may result if the pricing information then is sourced from another vendor, non-binding broker quotes, or internally-developed valuations for which the Company’s own assumptions about market-participant inputs would be used in pricing the security. The fair values of the Company’s private fixed maturities are determined from prices obtained from independent valuation service providers. Prices not obtained from an independent valuation service provider are determined by using a discounted cash flow model or a market comparable company valuation technique. In certain cases, these models use observable inputs with a discount rate based upon the average of spread surveys collected from private market intermediaries who are active in both primary and secondary transactions, taking into account, among other factors, the credit quality and industry sector of the issuer and the reduced liquidity associated with private placements. Generally, these securities have been reflected within Level 2. For certain private fixed maturities, the discounted cash flow model or a market comparable company valuation technique may also incorporate unobservable inputs, which reflect the Company’s own assumptions about the inputs market participants would use in pricing the asset. To the extent management determines that such unobservable inputs are significant to the fair value measurement of a security, a Level 3 classification generally is made. The net fair value of the Company’s freestanding derivative positions as disclosed in Note 3 are generally based on prices obtained either from independent valuation service providers or derived by applying market inputs from recognized vendors into industry standard pricing models. The majority of these derivative contracts are traded in the OTC derivative market and are classified in Level 2. The fair values of derivative assets and liabilities traded in the OTC market are determined using quantitative models that require use of the contractual terms of the derivative instruments and multiple market inputs, including interest rates, prices, and indices to generate continuous yield or pricing curves, including overnight index swap (“OIS”) curves, and volatility factors, which then are applied to value the positions. The predominance of market inputs is actively quoted and can be validated through external sources or reliably interpolated if less observable. If the pricing information received from independent valuation service providers is not reflective of market activity or other inputs observable in the market, the Company may challenge the price through a formal process in accordance with the terms of the respective independent valuation service provider agreement. If as a result it is determined that the independent valuation service provider is able to reprice the derivative instrument in a manner agreed as more consistent with current market observations, the position remains within Level 2. Alternatively, a Level 3 classification may result if the pricing information then is sourced from another vendor, non-binding broker quotes, or internally-developed valuations for which the Company’s own assumptions about market-participant inputs would be used in pricing the security. Investments classified as Level 1 primarily include redeemable preferred stock, trading securities, cash equivalents and Separate Account assets. Fair value measurements classified as Level 1 include exchange-traded prices of fixed maturities, equity securities and derivative contracts, and net asset values for transacting subscriptions and redemptions of mutual fund shares held by Separate Accounts. Cash equivalents classified as Level 1 include money market accounts, overnight commercial paper and highly liquid debt instruments purchased with an original maturity of three months or less, and are carried at cost as a proxy for fair value measurement due to their short-term nature. Investments classified as Level 2 are measured at fair value on a recurring basis and primarily include U.S. government and agency securities and certain corporate debt securities, such as public and private fixed maturities. As market quotes generally are not readily available or accessible for these securities, their fair value measures are determined utilizing relevant information generated by market transactions involving comparable securities and often are based on model pricing techniques that effectively discount prospective cash flows to present value using appropriate sector-adjusted credit spreads commensurate with the security’s duration, also taking into consideration issuer-specific credit quality and liquidity. Segregated securities classified as Level 2 are U.S. Treasury bills segregated by AB in a special reserve bank custody account for the exclusive benefit of brokerage customers, as required by Rule 15c3-3 of the Exchange Act and for which fair values are based on quoted yields in secondary markets. Observable inputs generally used to measure the fair value of securities classified as Level 2 include benchmark yields, reported secondary trades, issuer spreads, benchmark securities and other reference data. Additional observable inputs are used when available, and as may be appropriate, for certain security types, such as prepayment, default, and collateral information for the purpose of measuring the fair value of mortgage- and asset-backed securities. The Company’s AAA-rated mortgage- and asset-backed securities are classified as Level 2 for which the observability of market inputs to their pricing models is supported by sufficient, albeit more recently contracted, market activity in these sectors. Certain Company products such as the SCS and EQUI-VEST variable annuity product, and in the MSO fund available in some life contracts offer investment options which permit the contract owner to participate in the performance of an index, ETF or commodity price. These investment options, which depending on the product and on the index selected can currently have 1, 3, 5, or 6 year terms, provide for participation in the performance of specified indices, ETF or commodity price movement up to a segment-specific declared maximum rate. Under certain conditions that vary by product, e.g. holding these segments for the full term, these segments also shield policyholders from some or all negative investment performance associated with these indices, ETF or commodity prices. These investment options have defined formulaic liability amounts, and the current values of the option component of these segment reserves are accounted for as Level 2 embedded derivatives. The fair values of these embedded derivatives are based on data obtained from independent valuation service providers. The Company’s investments classified as Level 3 primarily include corporate debt securities, such as private fixed maturities. Determinations to classify fair value measures within Level 3 of the valuation hierarchy generally are based upon the significance of the unobservable factors to the overall fair value measurement. Included in the Level 3 classification are fixed maturities with indicative pricing obtained from brokers that otherwise could not be corroborated to market observable data. The Company applies various due diligence procedures, as considered appropriate, to validate these non-binding broker quotes for reasonableness, based on its understanding of the markets, including use of internally-developed assumptions about inputs a market participant would use to price the security. In addition, asset-backed securities are classified as Level 3. The Company also issues certain benefits on its variable annuity products that are accounted for as derivatives and are also considered Level 3. The GMIBNLG feature allows the policyholder to receive guaranteed minimum lifetime annuity payments based on predetermined annuity purchase rates applied to the contract’s benefit base if and when the contract account value is depleted and the NLG feature is activated. The GMWB feature allows the policyholder to withdraw at minimum, over the life of the contract, an amount based on the contract’s benefit base. The GWBL feature allows the policyholder to withdraw, each year for the life of the contract, a specified annual percentage of an amount based on the contract’s benefit base. The GMAB feature increases the contract account value at the end of a specified period to a GMAB base. The GIB feature provides a lifetime annuity based on predetermined annuity purchase rates if and when the contract account value is depleted. This lifetime annuity is based on predetermined annuity purchase rates applied to a GIB base. Level 3 also includes the GMIB reinsurance contract assets, which are accounted for as derivative contracts. The GMIB reinsurance contract asset and liabilities’ fair value reflects the present value of reinsurance premiums and recoveries and risk margins over a range of market consistent economic scenarios while GMxB derivative features liability reflects the present value of expected future payments (benefits) less fees, adjusted for risk margins and nonperformance risk, attributable to GMxB derivative features’ liability over a range of market-consistent economic scenarios. The valuations of the GMIB reinsurance contract asset and GMxB derivative features liability incorporate significant non-observable assumptions related to policyholder behavior, risk margins and projections of equity separate account funds. The credit risks of the counterparty and of the Company are considered in determining the fair values of its GMIB reinsurance contract asset and GMxB derivative features liability positions, respectively, after taking into account the effects of collateral arrangements. Incremental adjustment to the swap curve for non-performance risk is made to the fair values of the GMIB reinsurance contract asset and liabilities and GMIBNLG feature to reflect the claims-paying ratings of counterparties and the Company. Equity and fixed income volatilities were modeled to reflect current market volatilities. Due to the unique, long duration of the GMIBNLG feature, adjustments were made to the equity volatilities to remove the illiquidity bias associ ated with the longer tenors and risk margins were applied to the non-capital markets inputs to the GMIBNLG valuations. After giving consideration to collateral arrangements, the Company reduced the fair value of its GMIB reinsurance contract asset by $61 million and $8 million at September 30, 2018 and December 31, 2017 , respectively, to recognize incremental counterparty non-performance risk and reduced the fair value of its GMIB reinsurance contract liabilities by $26 million and $24 million at September 30, 2018 and December 31, 2017 , respectively, to recognize its own incremental non-performance risk. Lapse rates are adjusted at the contract level based on a comparison of the actuarially calculated guaranteed values and the current policyholder account value, which include other factors such as considering surrender charges. Generally, lapse rates are assumed to be lower in periods when a surrender charge applies. A dynamic lapse function reduces the base lapse rate when the guaranteed amount is greater than the account value as in the money contracts are less likely to lapse. For valuing the embedded derivative, lapse rates vary throughout the period over which cash flows are projected. Th e Company’s Level 3 liabilities include contingent payment arrangements associated with acquisitions in 2010, 2014 and 2016 by AB. At each reporting date, AB estimates the fair values of the contingent consideration expected to be paid based upon revenue and discount rate projections, using unobservable market data inputs, which are included in Level 3 of the valuation hierarchy. The Company’s Level 3 liabilities also include contingent payment arrangements associated with a Renewal Rights Agreement (the “Renewal Rights Agreement”) that transitions certain group employee benefits policies beginning January 1, 2017 from an insurer exiting such business to MONY Life Insurance Company of America (“MLOA”). The fair value of the contingent payments liability associated with this transaction is measured and adjusted each reporting period through final settlement using projected premiums from these policies, net of potential surrenders and terminations, and applying a risk-adjusted discount factor ( 6.4% at September 30, 2018 ) to the resulting cash flows. The Company’s consolidated VIEs/VOEs hold investments that are classified as Level 3, primarily corporate bonds that are vendor priced with no ratings available, bank loans, non-agency collateralized mortgage obligations and asset-backed securities. During the nine months ended September 30, 2018, AFS fixed maturities with fair values of $28 million were transferred out of Level 3 and into Level 2 principally due to the availability of trading activity or market observable inputs to measure and validate their fair values. In addition, AFS fixed maturities with fair value of $66 million were transferred from Level 2 into the Level 3 classification. These transfers in the aggregate represent approximately 0.7% of total equity at September 30, 2018 . During the nine months ended September 30, 2017, $8 million of AFS fixed maturities were transferred out of Level 3 and into Level 2 principally due to the availability of trading activity or market observable inputs to measure and validate their fair values. In addition, AFS fixed maturities with fair value of $6 million were transferred from Level 2 into the Level 3 classification. These transfers in the aggregate represent approximately 0.1% of total equity at September 30, 2017 . The tables below presents a reconciliation for all Level 3 assets and liabilities for the three and nine months ended September 30, 2018 and 2017 , respectively: Level 3 Instruments - Fair Value Measurements Corporate State and Political Sub- divisions Commercial Mortgage- backed Asset- backed (in millions) Balance, July 1, 2018 $ 1,160 $ 38 $ — $ 538 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 3 — — — Investment gains (losses), net (4 ) — — — Subtotal (1 ) — — — Other comprehensive income (loss) (1 ) — — (1 ) Purchases 37 — — — Sales (53 ) — — — Settlements — — — — Transfers into Level 3 (1) — 1 — — Transfers out of Level 3 (1) — — — — Balance, September 30, 2018 $ 1,142 $ 39 $ — $ 537 Balance, July 1, 2017 $ 1,089 $ 42 $ 501 $ 513 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 2 — — — Investment gains (losses), net — — (49 ) — Subtotal 2 — (49 ) — Other comprehensive income (loss) 7 — 28 (1 ) Purchases 198 — (196 ) (1 ) Sales (121 ) — (25 ) (1 ) Transfers into Level 3 (1) (7 ) — — — Transfers out of Level 3 (1) — — (2 ) — Balance, September 30, 2017 $ 1,168 $ 42 $ 257 $ 510 ______________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. Corporate State and Commercial Asset- (in millions) Balance, January 1, 2018 $ 1,150 $ 40 $ — $ 541 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 7 — — — Investment gains (losses), net (3 ) — — — Subtotal 4 — — — Other comprehensive income (loss) (15 ) (1 ) — (2 ) Purchases 237 — — — Sales (271 ) (1 ) — (2 ) Settlements — — — — Transfers into Level 3 (1) 65 1 — — Transfers out of Level 3 (1) (28 ) — — — Balance, September 30, 2018 $ 1,142 $ 39 $ — $ 537 Balance, January 1, 2017 $ 857 $ 42 $ 373 $ 120 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 6 — 1 — Investment gains (losses), net (1 ) — (68 ) 15 Subtotal 5 — (67 ) 15 Other comprehensive income (loss) — — 47 (8 ) Purchases 531 — — 404 Sales (226 ) — (94 ) (20 ) Transfers into Level 3 (1) 6 — — — Transfers out of Level 3 (1) (5 ) — (2 ) (1 ) Balance, September 30, 2017 $ 1,168 $ 42 $ 257 $ 510 ______________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. Redeemable Preferred Stock Other Equity Investments (2) GMIB Reinsurance Contract Asset Separate Accounts Assets GMxB derivative features liability Contingent Payment Arrangement (in millions) Balance, July 1, 2018 $ — $ 111 $ 1,636 $ 361 $ (3,692 ) $ (13 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — — — 6 — — Net derivative gains (losses), excluding non-performance risk — — (269 ) — (188 ) — Non-performance risk (5) — — 7 (323 ) — Subtotal — — (262 ) 6 (511 ) — Other comprehensive income (loss) — (6 ) — — — — Purchases (2) — 14 12 1 (99 ) — Sales (3) — (1 ) (11 ) — 8 — Settlements (4) — — — (1 ) — 1 Activity related to consolidated VIEs — (1 ) — — — — Transfers into Level 3 (1) — — — — — — Transfers out of Level 3 (1) — — — — — — Balance, September 30, 2018 $ — $ 117 $ 1,375 $ 367 $ (4,294 ) $ (12 ) Balance, July 1, 2017 $ 1 $ 61 $ 2,091 $ 334 (5,122 ) $ (24 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — (8 ) — — — — Investment gains (losses), net — — — 4 — — Net derivative gains (losses), excluding non-performance risk — — (78 ) — 476 — Non-performance risk (5) — — (3 ) (63 ) — Subtotal — (8 ) (81 ) 4 413 — Other comprehensive income (loss) — 2 — — — — Purchases (2) — 6 12 1 (105 ) — Sales (3) — (3 ) (11 ) — 6 — Settlements (4) — — — (1 ) — 5 Activity related to consolidated VIEs — — — — — — Transfers into Level 3 (1) — 1 — 1 — — Transfers out of Level 3 (1) — — — — — — Balance, September 30, 2017 $ 1 $ 59 $ 2,011 $ 338 (4,807 ) $ (19 ) ______________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. (2) For the GMIB reinsurance contract asset and the GMxB derivative features liability, represents attributed fee. (3) For the GMIB reinsurance contract asset, represents recoveries from reinsurers and for the GMxB derivative features liability, represents benefits paid. (4) For contingent payment arrangements, represents payments under the arrangement. (5) The Company’s non-performance risk is recorded through Net derivative gains (losses). Redeemable Other (2) GMIB Separate GMxB Derivative Features Liability Contingent (in millions) Balance, January 1, 2018 $ 1 $ 99 $ 1,894 $ 349 $ (4,451 ) $ (15 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — (1 ) — 19 — — Net derivative gains (losses), excluding non-performance risk — — (524 ) — 657 — Non-performance risk (5) — — 2 — (205 ) — Subtotal — (1 ) (522 ) 19 452 — Other comprehensive income (loss) — — — — — — Purchases (2) — 24 34 4 (313 ) — Sales (3) (1 ) (3 ) (31 ) (1 ) 18 — Settlements (4) — — — (4 ) — 3 Activity related to consolidated VIEs — (3 ) — — — — Transfers into Level 3 (1) — 6 — — — — Transfers out of Level 3 (1) — (5 ) — — — — Balance, September 30, 2018 $ — $ 117 $ 1,375 $ 367 $ (4,294 ) $ (12 ) Balance, January 1, 2017 $ 1 $ 48 $ 1,735 $ 313 $ (5,731 ) $ (25 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — (4 ) — 22 — — Net derivative gains (losses), excluding non-performance risk — — 287 — 1,288 — Non-performance risk (5) — — (1 ) — (77 ) — Subtotal — (4 ) 286 22 1,211 — Other comprehensive income (loss) — 4 — — — — Purchases (2) — 20 36 7 (303 ) — Sales (3) — (3 ) (46 ) (1 ) 16 — Settlements (4) — — — (4 ) — 6 Activity related to consolidated VIEs — (7 ) — — — — Transfers into Level 3 (1) — 1 — 1 — — Transfers out of Level 3 (1) — — — — — — Balance, September 30, 2017 1 59 2,011 338 (4,807 ) (19 ) ______________________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. (2) For the GMIB reinsurance contract asset and the GMxB derivative features liability, represents attributed fee. (3) For the GMIB reinsurance contract asset, represents recoveries from reinsurers and for the GMxB derivative features liability, represents benefits paid. (4) For contingent payment arrangements, represents payments under the arrangement. (5) The Company’s non-performance risk is recorded through Net derivative gains (losses). The tables below details changes in unrealized gains (losses) for the nine months ended September 30, 2018 and 2017 by category for Level 3 assets and liabilities still held at September 30, 2018 and 2017 , respectively. Level 3 Instruments Income (Loss) Investment Gains (Losses), Net Net Derivative Gains (losses) OCI (in millions) Level 3 Instruments Nine Months Ended September 30, 2018 Held at September 30, 2018: Change in unrealized gains (losses): Fixed maturities, available-for-sale: Corporate $ — $ — $ (15 ) State and political subdivisions — — (1 ) Subtotal — — (16 ) GMIB reinsurance contracts — (524 ) — Separate Accounts assets (1) 19 — — GMxB derivative features' liability — 657 — Total $ 19 $ 134 $ (16 ) _________________ (1) There is an investment expense that offsets this investment gain (loss). Income (Loss) Investment Gains (Losses), Net Net Derivative Gains (losses) OCI (in millions) Level 3 Instruments Nine Months Ended September 30, 2017 Held at September 30, 2017: Change in unrealized gains (losses): Fixed maturities, available-for-sale: Commercial mortgage-backed $ — $ — $ 24 State and political subdivisions — — 1 Asset-backed — — 2 Subtotal — — 27 GMIB reinsurance contracts — 287 — Separate Accounts assets (1) 22 — — GMxB derivative features liability — 1,288 — Total $ 22 $ 1,575 $ 27 _________________ (1) There is an investment expense that offsets this investment gain (loss). The following tables disclose quantitative information about Level 3 fair value measurements by category for assets and liabilities as of September 30, 2018 and December 31, 2017 , respectively. Quantitative Information about Level 3 Fair Value Measurements at September 30, 2018 Fair Valuation Significant Range Weighted Average (in millions) Assets: Investments: Fixed maturities, available-for-sale: Corporate $ 39 Matrix pricing model Spread over the industry-specific benchmark yield curve 50 - 565 bps 194 bps 755 Market EBITDA multiples 4.2x - 37.3x 7.2% - 16.5% 9.0x - 17.7x 13.8x 11.1% 13.1x Other equity investments 36 Discounted cash flow Earnings Multiple 10.8x 10.8x Separate Accounts’ assets 345 Third party appraisal Capitalization Rate 4.4% 1 Discounted cash flow Spread over U.S. Treasury curve 228 bps GMIB reinsurance contract asset 1,375 Discounted cash flow Lapse Rates (1) : 1.0% - 6.3% 0.01% - 0.18% 0.07% - 0.54% 0.42% - 42.0% Liabilities: GMIBNLG 4,163 Discounted cash flow Lapse Rates Withdrawal Rates Utilization Rates Non-performance risk NLG Forfeiture Rates Long-term equity Volatility Mortality Rates	7) FAIR VALUE DISCLOSURES Assets and liabilities measured at fair value on a recurring basis are summarized below. At December 31, 2017 and 2016, no assets were required to be measured at fair value on a non-recurring non-recurring Fair Value Measurements at December 31, 2017 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale: Public Corporate $ — $ 17,906 $ 48 $ 17,954 Private Corporate — 6,390 1,102 7,492 U.S. Treasury, government and agency — 18,508 — 18,508 States and political subdivisions — 449 40 489 Foreign governments — 419 — 419 Commercial mortgage-backed — — — — Residential mortgage-backed (1) — 818 — 818 Asset-backed (2) — 208 541 749 Redeemable preferred stock 184 327 1 512 Subtotal 184 45,025 1,732 46,941 Other equity investments 13 — 34 47 Trading securities 485 13,647 38 14,170 Other invested assets Short-term investments — 1,730 — 1,730 Assets of consolidated VIEs/VOEs 1,060 215 27 1,302 Swaps — 222 — 222 Credit Default Swaps — 33 — 33 Futures (2 ) — — (2 ) Foreign currency contract (3) — 5 — 5 Options — 1,999 — 1,999 Subtotal 1,058 4,204 27 5,289 Cash equivalents 3,608 — — 3,608 Segregated securities — 825 — 825 GMIB reinsurance contracts asset — — 1,894 1,894 Separate Account assets 121,000 2,997 349 124,346 Total Assets $ 126,348 $ 66,698 $ 4,074 $ 197,120 Liabilities Other invested liabilities GMxB derivative features’ liability — — 4,451 4,451 SCS, SIO, MSO and IUL indexed features liability — 1,786 — 1,786 Liabilities of consolidated VIEs and VOEs 670 22 — 692 Contingent payment arrangements — — 15 15 Total Liabilities $ 670 $ 1,808 $ 4,466 $ 6,944 (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime (3) Reported in Other assets in the consolidated balance sheets. Fair Value Measurements at December 31, 2016 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale Public Corporate $ — $ 16,566 $ 29 $ 16,595 Private Corporate — 6,469 828 7,297 U.S. Treasury, government and agency — 14,836 — 14,836 States and political subdivisions — 461 42 503 Foreign governments — 400 — 400 Commercial mortgage-backed — 22 373 395 Residential mortgage-backed (1) — 1,005 — 1,005 Asset-backed (2) — 162 120 282 Redeemable preferred stock 227 338 1 566 Subtotal 227 40,259 1,393 41,879 Other equity investments 3 — 16 19 Trading securities 494 11,565 26 12,085 Other invested assets Short-term investments — 1,511 — 1,511 Assets of consolidated VIEs/VOEs 342 205 46 593 Swaps — (978 ) — (978 ) Credit Default Swaps — 5 — 5 Options — 1,016 — 1,016 Floors — 11 — 11 Subtotal 342 1,770 46 2,158 Cash equivalents 3,917 — — 3,917 Segregated securities — 946 — 946 GMIB reinsurance contracts asset — — 1,735 1,735 Separate Account assets 109,817 2,832 313 112,962 Total Assets $ 114,800 $ 57,372 $ 3,529 $ 175,701 Liabilities Other invested liabilities Foreign currency contracts $ — $ 81 $ — $ 81 GMxB derivative features liability — — 5,731 5,731 SCS, SIO, MSO and IUL indexed features’ liability — 940 — 940 Liabilities of consolidated VIEs and VOEs 248 2 — 250 Contingent payment arrangements — — 25 25 Total Liabilities $ 248 $ 1,023 $ 5,756 $ 7,027 (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime At December 31, 2017 and 2016, respectively, the fair value of public fixed maturities is approximately $38,762 million and $33,936 million or approximately 20.0% and 19.6% of the Company’s total assets measured at fair value on a recurring basis (excluding GMIB reinsurance contracts and segregated securities measured at fair value on a recurring basis). The fair values of the Company’s public fixed maturity securities are generally based on prices obtained from independent valuation service providers and for which the Company maintains a vendor hierarchy by asset type based on historical pricing experience and vendor expertise. Although each security generally is priced by multiple independent valuation service providers, the Company ultimately uses the price received from the independent valuation service provider highest in the vendor hierarchy based on the respective asset type, with limited exception. To validate reasonableness, prices also are internally reviewed by those with relevant expertise through comparison with directly observed recent market trades. Consistent with the fair value hierarchy, public fixed maturity securities validated in this manner generally are reflected within Level 2, as they are primarily based on observable pricing for similar assets and/or other market observable inputs. If the pricing information received from independent valuation service providers is not reflective of market activity or other inputs observable in the market, the Company may challenge the price through a formal process in accordance with the terms of the respective independent valuation service provider agreement. If, as a result, it is determined that the independent valuation service provider is able to reprice the security in a manner agreed as more consistent with current market observations, the security remains within Level 2. Alternatively, a Level 3 classification may result if the pricing information then is sourced from another vendor, non-binding At December 31, 2017 and 2016, respectively, the fair value of private fixed maturities is approximately $8,179 million and $7,943 million or approximately 4.2% and 4.6% of the Company’s total assets measured at fair value on a recurring basis. The fair values of the Company’s private fixed maturities are determined from prices obtained from independent valuation service providers. Prices not obtained from an independent valuation service provider are determined by using a discounted cash flow model or a market comparable company valuation technique. In certain cases, these models use observable inputs with a discount rate based upon the average of spread surveys collected from private market intermediaries who are active in both primary and secondary transactions, taking into account, among other factors, the credit quality and industry sector of the issuer and the reduced liquidity associated with private placements. Generally, these securities have been reflected within Level 2. For certain private fixed maturities, the discounted cash flow model or a market comparable company valuation technique may also incorporate unobservable inputs, which reflect the Company’s own assumptions about the inputs market participants would use in pricing the asset. To the extent management determines that such unobservable inputs are significant to the fair value measurement of a security, a Level 3 classification generally is made. As disclosed in Note 3, at December 31, 2017 and 2016, respectively, the net fair value of freestanding derivative positions is approximately $2,258 million and $(27) million or approximately 42.9% and (1.3)% of Other invested assets measured at fair value on a recurring basis. The fair values of the Company’s derivative positions are generally based on prices obtained either from independent valuation service providers or derived by applying market inputs from recognized vendors into industry standard pricing models. The majority of these derivative contracts are traded in the OTC derivative market and are classified in Level 2. The fair values of derivative assets and liabilities traded in the OTC market are determined using quantitative models that require use of the contractual terms of the derivative instruments and multiple market inputs, including interest rates, prices, and indices to generate continuous yield or pricing curves, including overnight index swap (“OIS”) curves, and volatility factors, which then are applied to value the positions. The predominance of market inputs is actively quoted and can be validated through external sources or reliably interpolated if less observable. If the pricing information received from independent valuation service providers is not reflective of market activity or other inputs observable in the market, the Company may challenge the price through a formal process in accordance with the terms of the respective independent valuation service provider agreement. If as a result it is determined that the independent valuation service provider is able to reprice the derivative instrument in a manner agreed as more consistent with current market observations, the position remains within Level 2. Alternatively, a Level 3 classification may result if the pricing information then is sourced from another vendor, non-binding At December 31, 2017 and 2016, respectively, investments classified as Level 1 comprise approximately 64.9% and 66.4% of assets measured at fair value on a recurring basis and primarily include redeemable preferred stock, trading securities, cash equivalents and Separate Account assets. Fair value measurements classified as Level 1 include exchange-traded prices of fixed maturities, equity securities and derivative contracts, and net asset values for transacting subscriptions and redemptions of mutual fund shares held by Separate Accounts. Cash equivalents classified as Level 1 include money market accounts, overnight commercial paper and highly liquid debt instruments purchased with an original maturity of three months or less, and are carried at cost as a proxy for fair value measurement due to their short-term nature. At December 31, 2017 and 2016, respectively, investments classified as Level 2 comprise approximately 34.0% and 32.6% of assets measured at fair value on a recurring basis and primarily include U.S. government and agency securities and certain corporate debt securities, such as public and private fixed maturities. As market quotes generally are not readily available or accessible for these securities, their fair value measures are determined utilizing relevant information generated by market transactions involving comparable securities and often are based on model pricing techniques that effectively discount prospective cash flows to present value using appropriate sector-adjusted credit spreads commensurate with the security’s duration, also taking into consideration issuer-specific credit quality and liquidity. Segregated securities classified as Level 2 are U.S. Treasury Bills segregated by AB in a special reserve bank custody account for the exclusive benefit of brokerage customers, as required by Rule 15c3-3 Observable inputs generally used to measure the fair value of securities classified as Level 2 include benchmark yields, reported secondary trades, issuer spreads, benchmark securities and other reference data. Additional observable inputs are used when available, and as may be appropriate, for certain security types, such as prepayment, default, and collateral information for the purpose of measuring the fair value of mortgage- and asset-backed securities. At December 31, 2017 and 2016, respectively, approximately $875 million and $1,078 million of AAA-rated The Company’s SCS and EQUI-VEST variable annuity products, the IUL product, and in the MSO fund available in some life contracts offer investment options which permit the contract owner to participate in the performance of an index, ETF or commodity price. These investment options, which depending on the product and on the index selected can currently have 1, 3, 5, or 6 year terms, provide for participation in the performance of specified indices, ETF or commodity price movement up to a segment-specific declared maximum rate. Under certain conditions that vary by product, e.g. holding these segments for the full term, these segments also shield policyholders from some or all negative investment performance associated with these indices, ETF or commodity prices. These investment options have defined formulaic liability amounts, and the current values of the option component of these segment reserves are accounted for as Level 2 embedded derivatives. The fair values of these embedded derivatives are based on data obtained from independent valuation service providers. At December 31, 2017 and 2016, respectively, investments classified as Level 3 comprise approximately 1.1% and 1.0% of assets measured at fair value on a recurring basis and primarily include commercial mortgage-backed securities (“CMBS”) and corporate debt securities, such as private fixed maturities. Determinations to classify fair value measures within Level 3 of the valuation hierarchy generally are based upon the significance of the unobservable factors to the overall fair value measurement. Included in the Level 3 classification at December 31, 2017 and 2016, respectively, were approximately $97 million and $126 million of fixed maturities with indicative pricing obtained from brokers that otherwise could not be corroborated to market observable data. The Company applies various due diligence procedures, as considered appropriate, to validate these non-binding The Company also issues certain benefits on its variable annuity products that are accounted for as derivatives and are also considered Level 3. The GMIBNLG feature allows the policyholder to receive guaranteed minimum lifetime annuity payments based on predetermined annuity purchase rates applied to the contract’s benefit base if and when the contract account value is depleted and the NLG feature is activated. The GMWB feature allows the policyholder to withdraw at minimum, over the life of the contract, an amount based on the contract’s benefit base. The GWBL feature allows the policyholder to withdraw, each year for the life of the contract, a specified annual percentage of an amount based on the contract’s benefit base. The GMAB feature increases the contract account value at the end of a specified period to a GMAB base. The GIB feature provides a lifetime annuity based on predetermined annuity purchase rates if and when the contract account value is depleted. This lifetime annuity is based on predetermined annuity purchase rates applied to a GIB base. Level 3 also includes the GMIB reinsurance contract asset’s which are accounted for as derivative contracts. The GMIB reinsurance contract asset and liabilities’ fair value reflects the present value of reinsurance premiums and recoveries and risk margins over a range of market consistent economic scenarios while GMxB derivative features liability reflects the present value of expected future payments (benefits) less fees, adjusted for risk margins and nonperformance risk, attributable to GMxB derivative features liability over a range of market-consistent economic scenarios. The valuations of the GMIB reinsurance contract asset and GMxB derivative features liability incorporate significant non-observable non-performance non-capital After giving consideration to collateral arrangements, the Company reduced the fair value of its GMIB reinsurance contract asset by $8 million and $10 million at December 31, 2017 and 2016, respectively, to recognize incremental counterparty non-performance non-performance Lapse rates are adjusted at the contract level based on a comparison of the actuarially calculated guaranteed values and the current policyholder account value, which include other factors such as considering surrender charges. Generally, lapse rates are assumed to be lower in periods when a surrender charge applies. A dynamic lapse function reduces the base lapse rate when the guaranteed amount is greater than the account value as in the money contracts are less likely to lapse. For valuing the embedded derivative, lapse rates vary throughout the period over which cash flows are projected. The Company’s Level 3 liabilities include contingent payment arrangements associated with acquisitions in 2010, 2013, 2014 and 2016 by AB. At each reporting date, AB estimates the fair values of the contingent consideration expected to be paid based upon probability-weighted AUM and revenue projections, using unobservable market data inputs, which are included in Level 3 of the valuation hierarchy. The Company’s Level 3 liabilities also include contingent payment arrangements associated with a Renewal Rights Agreement (the “Renewal Rights Agreement”) that transitions certain group employee benefits policies beginning January 1, 2017 from an insurer exiting such business to MONY Life Insurance Company of America (“MLOA”). The fair value of the contingent payments liability associated with this transaction is measured and adjusted each reporting period through final settlement using projected premiums from these policies, net of potential surrenders and terminations, and applying a risk-adjusted discount factor (7% at December 31, 2017) to the resulting cash flows. As of December 31, 2017 and 2016, the Company’s consolidated VIEs/VOEs hold $2 million and $6 million, respectively, of investments that are classified as Level 3. They primarily consist of corporate bonds that are vendor priced with no ratings available, bank loans, non-agency In 2017, AFS fixed maturities with fair values of $5 million were transferred out of Level 3 and into Level 2 principally due to the availability of trading activity and/or market observable inputs to measure and validate their fair values. In addition, AFS fixed maturities with fair value of $7 million were transferred from Level 2 into the Level 3 classification. These transfers in the aggregate represent approximately 0.1% of total equity at December 31, 2017. In 2016, AFS fixed maturities with fair values of $62 million were transferred out of Level 3 and into Level 2 principally due to the availability of trading activity and/or market observable inputs to measure and validate their fair values. In addition, AFS fixed maturities with fair value of $25 million were transferred from Level 2 into the Level 3 classification. During 2016, one of AB’s private securities went public and, due to a trading restriction period, $56 million was transferred from a Level 3 to a Level 2 classification. These transfers in the aggregate represent approximately 0.8% of total equity at December 31, 2016. The table below presents a reconciliation for all Level 3 assets and liabilities at December 31, 2017, 2016 and 2015 respectively: Level 3 Instruments Fair Value Measurements Corporate State and Political Subdivisions Foreign Governments Commercial Mortgage- backed Residential Mortgage- backed Asset- backed (in millions) Balance, January 1, 2017 $ 857 $ 42 $ — $ 373 $ — $ 120 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 4 — — (2 ) — — Investment gains (losses), net 1 — — (95 ) — 15 Subtotal 5 — — (97 ) — 15 Other comprehensive income (loss) 4 (1 ) — 78 — (7 ) Purchases 615 — — — — 434 Sales (333 ) (1 ) — (354 ) — (21 ) Transfers into Level 3 (1) 7 — — — — — Transfers out of Level 3 (1) (5 ) — — — — — Balance, December 31, 2017 $ 1,150 $ 40 $ — $ — $ — $ 541 Balance, January 1, 2016 $ 430 $ 45 $ 1 $ 535 $ — $ 41 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net 2 — — (71 ) — — Subtotal 2 — — (71 ) — — Other comprehensive income (loss) 8 (2 ) — 14 — 1 Purchases 574 — — — — 96 Sales (144 ) (1 ) — (91 ) — (9 ) Transfers into Level 3 (1) 25 — — — — — Transfers out of Level 3 (1) (38 ) — (1 ) (14 ) — (9 ) Balance, December 31, 2016 $ 857 $ 42 $ — $ 373 $ — $ 120 Corporate State and Foreign Commercial Residential Asset- (in millions) Balance, January 1, 2015 $ 389 $ 47 $ — $ 752 $ 2 $ 54 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 2 — — 2 — — Investment gains (losses), net 2 — — (40 ) — — Subtotal 4 — — (38 ) — — Other comprehensive income (loss) (26 ) (1 ) — 72 — (4 ) Purchases 63 — 1 — — — Sales (39 ) (1 ) — (177 ) (2 ) (9 ) Transfers into Level 3 (1) 100 — — — — — Transfers out of Level 3 (1) (61 ) — — (74 ) — — Balance, December 31, 2015 $ 430 $ 45 $ 1 $ 535 $ — $ 41 Redeemable Other Equity Investments (2 ) GMIB Reinsurance Asset Separate Account Assets GMxB Contingent (in millions) Balance, January 1, 2017 $ 1 $ 88 $ 1,735 $ 313 $ (5,731 ) (25 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Investment gains (losses), net — — — 29 — — Net derivative gains (losses) — — 174 — 1,652 — Subtotal — — 174 29 1,652 — Other comprehensive income (loss) — 14 — — — — Purchases (2) — 22 48 13 (393 ) — Sales (3) — (3 ) (63 ) (2 ) 21 — Settlements (4) — — — (4 ) — 10 Activity related to VIEs/VOEs — (22 ) — — — — Transfers into Level 3 (1) — — — — — — Transfers out of Level 3 (1) — — — — — — Balance, December 31, 2017 $ 1 $ 99 $ 1,894 $ 349 $ (4,451 ) $ (15 ) Balance, January 1, 2016 $ — $ 81 $ 1,829 $ 313 $ (5,534 ) (31 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — — — 19 — — Net derivative gains (losses) — — (77 ) — 136 — Subtotal — — (77 ) 19 136 — Other comprehensive income(loss) — (1 ) — — — — Purchases (2) 1 4 48 10 (356 ) (18 ) Sales (3) — — (65 ) — 23 — Settlements (4) — — — — — — Activity related to consolidated VIEs/VOEs — 60 — (7 ) — 24 Transfers into Level 3 (1) — — — 1 — — Transfers out of Level 3 (1) — (56 ) — (23 ) — — Balance, December 31, 2016 $ 1 $ 88 $ 1,735 $ 313 $ (5,731 ) $ (25 ) Redeemable Other (2) GMIB Separate GMxB Contingent (in millions) Balance, January 1, 2015 $ — $ 87 $ 2,151 $ 260 $ (4,454 ) $ (42 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — 5 — 36 — — Net derivative gains (losses) — — (330 ) — (776 ) — Subtotal — 5 (330 ) 36 (776 ) — Other comprehensive income (loss) — 2 — — — — Purchases (2) — 7 49 26 (317 ) — Sales (3) — (20 ) (41 ) (2 ) 13 11 Settlements (4) — — — (5 ) — — Transfers into Level 3 (1) — — — — — — Transfers out of Level 3 (1) — — — (2 ) — — Balance, December 31, 2015 $ — $ 81 $ 1,829 $ 313 $ (5,534 ) $ (31 ) (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period (2) For the GMIB reinsurance contract asset, and GMxB derivative features liability, represents attributed fee. (3) For the GMIB reinsurance contract asset, represents recoveries from reinsurers and for GMxB derivative features liability represents benefits paid. (4) For contingent payment arrangements, it represents payments under the arrangement. The table below details changes in unrealized gains (losses) for 2017, 2016 and 2015 by category for Level 3 assets and liabilities still held at December 31, 2017, 2016 and 2015 respectively Earnings (Loss) Investment Net OCI (in millions) Held as of December 31, 2017 Change in unrealized gains (losses) Fixed maturities, available-for-sale $ — $ — $ 5 State and political subdivisions — — (1 ) Commercial mortgage-backed — — — Asset-backed — — 1 Subtotal $ — $ — $ 5 GMIB reinsurance contracts — 174 — Separate Account assets (1) 29 — — GMxB derivative features liability — 1,652 — Total $ 29 $ 1,826 $ 5 Held as of December 31, 2016 Change in unrealized gains (losses) Fixed maturities, available-for-sale $ — $ — $ 11 State and political subdivisions — — (2 ) Commercial mortgage-backed — — 10 Asset-backed — — 1 Subtotal $ — $ — $ 20 GMIB reinsurance contracts — (77 ) — Separate Account assets (1) 20 — — GMxB derivative features liability — 136 — Total $ 20 $ 59 $ 20 Earnings (Loss) Investment Net OCI (in millions) Held as of December 31, 2015 Change in unrealized gains (losses) Fixed maturities, available-for-sale $ — $ — $ (25 ) State and political subdivisions — — (2 ) Commercial mortgage-backed — — 68 Asset-backed — — (4 ) Subtotal $ — $ — $ 37 GMIB reinsurance contracts — (330 ) — Separate Account assets (1) 36 — — GMxB derivative features liability — (776 ) — Total $ 36 $ (1,106 ) $ 37 (1) There is an investment expense that offsets this investment gain (loss). The following table discloses quantitative information about Level 3 fair value measurements by category for assets and liabilities as of December 31, 2017 and 2016, respectively. Quantitative Information about Level 3 Fair Value Measurements December 31, 2017 Fair Valuation Significant Range Weighted (in millions) Assets Investments Fixed maturities, available-for-sale Corporate $ 53 Matrix pricing model Spread over the industry- 0 - 565 bps 125 bps 789 Market comparable companies EBITDA multiples 5.3x - 27.9x 7.2% - 17.0% 9.0x - 17.7x 12.9x Other equity investments 38 Discounted cash flow Earnings Multiple 10.8x Separate Account assets 326 Third party appraisal Capitalization Rate 4.6% 5.6% 6.6% 1 Discounted cash flow Spread over U.S. Treasury curve 243 bps 4.409% GMIB reinsurance contract asset 1,894 Discounted cash flow Lapse Rates Non-performance Mortality Rates (1) Ages 0-40 Ages 41-60 Ages 60-115 1.0% - 6.3% 0.0% - 8.0% 0.0% -16.0% 5bps - 10bps 9.9% -30.9% 0.01% - 0.18% 0.07% - 0.54% 0.42% - 42.0% Liabilities: GMIBNLG 4,149 Discounted cash flow Non-performance Lapse Rates Withdrawal Rates Utilization Rates NLG Forfeiture Rates Long -term Equity Volatility Mortality Rates (1) Ages 0-40 Ages 41-60 Ages 60-115 1.0% 0.8% - 26.2% 0.0% - 12.4% 0.0% -16.0% 0.55% - 2.1% 20.0% 0.01% - 0.19% 0.06% - 0.53% 0.41% - 41.2% Assumed GMIB Reinsurance Contracts 194 Discounted cash flow Lapse Rates 0-85) Non-performance 1.1% - 13.3% 0.7% - 22.2% 1.3% - 100% 0 - 30% 1.3% 9.9% -30.9% GWBL/GMWB 130 Discounted cash flow Lapse Rates Utilization Rates 0.9% - 5.7% 0.0% - 7.0% 100% after delay 9.9% - 30.9% GIB (27 ) Discounted cash flow Lapse Rates Utilization Rates 0.9% - 5.7% 0.0% - 7.0% 0.0% - 16.0% 9.9% -30.9% GMAB 5 Discounted cash flow Lapse Rates 0.5% -11.0% 9.9% - 30.9% (1) Mortality rates vary by age and demographic characteristic such as gender. Mortality rate assumptions are based on a combination of company and industry experience. A mortality improvement assumption is also applied. For any given contract, mortality rates vary throughout the period over which cash flows are projected for purposes of valuating the embedded derivatives. Quantitative Information about Level 3 Fair Value Measurements December 31, 2016 Fair Valuation Technique Significant Range Weighted (in millions) Assets Investments Fixed maturities, available-for-sale Corporate $ 55 Matrix pricing model Spread over the industry- specific benchmark yield curve 0 - 565 bps 151 bps 636 Market comparable companies EBITDA multiples 4.3x - 25.6x 14.0x - 16.5x 11.7x 11.4% 15.6x Asset-backed 2 Matrix pricing model Spread over U.S. Treasury curve 25 bps - 687 bps 38 bps Other equity investments 26 Discounted Cash Flow Earnings Multiple 10.8x 10.0% 12 Separate Account assets 295 Third party appraisal Capitalization Rate 4.8% 5.7% 6.6% 3 Discounted cash flow Spread over U.S. Treasury curve 273 bps - 512 bps 1.1% - 7.0% 283 bps 4.3% GMIB reinsurance contract asset 1,735 Discounted cash flow Lapse Rates Non-performance 1.5% - 5.7% 0.0% - 8.0% 0.0% - 16.0% 5 bps - 17 bps 11.0% - 38.0% Liabilities GMIBNLG 5,309 Discounted cash flow Non-performance Lapse Rates NLG Forfeiture Rates Long-term Equity Volatility 1.1% 1.2% - 26.20% 0.0% - 11.5% 0.0% - 16.0% 0.55% - 2.1% 20.0% Assumed GMIB Reinsurance Contracts 258 Discounted cash flow Lapse Rates 0-85) Non-performance 0.7% - 14.6% 0.7% - 22.7% 1.3% - 100.0% 0.0% - 27.3% 1.8% 9.0% - 35.0% GWBL/GMWB 114 Discounted cash flow Lapse Rates Withdrawal Rates Utilization Rates Volatility rates - Equity 1.0% - 5.7% 0.0% - 7.0% 100% after delay 9.0% - 35.0% GIB 30 Discounted cash flow Withdrawal Rates Utilization Rates 1.0% - 5.7% 0.0% - 8.0% 0.0% - 16.0% 9.0% - 35.0% GMAB 20 Discounted cash flow Lapse Rates 1.0% - 11.0% 9.0% - 35.0% Excluded from the tables above at December 31, 2017 and 2016, respectively, are approximately $973 million and $777 million of Level 3 fair value measurements of investments for which the underlying quantitative inputs are not developed by the Company and are not readily available. The fair value measurements of these Level 3 investments comprise approximately 44.0% and 43.3% of total assets classified as Level 3 and represent only 0.5% and 0.4% of total assets measured at fair value on a recurring basis at December 31, 2017 and 2016, respectively. These investments primarily consist of certain privately placed debt securities with limited trading activity, including commercial mortgage, residential mortgage and asset-backed instruments, and their fair values generally reflect unadjusted prices obtained from independent valuation service providers and indicative, non-binding Included in the tables above at December 31, 2017 and 2016, respectively, are approximately $842 million and $691 million fair value of privately placed, available-for-sale Residential mortgage-backed securities classified as Level 3 primarily consist of non-agency Asset-backed securities classified as Level 3 primarily consist of non-agency Alt-A Included in other equity investments classified as Level 3 are reporting entities’ venture capital securities in the Technology, Media and Telecommunications industries. The fair value measurements of these securities include significant unobservable inputs including an enterprise value to revenue multiples and a discount rate to account for liquidity and various risk factors. Significant increases (decreases) in the enterprise value to revenue multiple inputs in isolation would result in a significantly higher (lower) fair value measurement. Significant increases (decreases) in the discount rate would result in a significantly lower (higher) fair value measurement. Separate Account assets classified as Level 3 in the table at December 31, 2017 and 2016, primarily consist of a private real estate fund with a fair value of approximately $326 million and $295 million, a private equity investment with a fair value of approximately $0 million and $1 million and mortgage loans with fair value of approximately $1 million and $2 million, respectively. A third party appraisal valuation technique is used to measure the fair value of the private real estate investment fund, including consideration of observable replacement cost and sales comparisons for the underlying commercial properties, as well as the results from applying a discounted cash flow approach. Significant increase (decrease) in isolation in the capitalization rate and exit capitalization rate assumptions used in the discounted cash flow approach to the appraisal value would result in a higher (lower) measure of fair value. A discounted cash flow approach is applied to determine the private equity investment for which the significant unobservable assumptions are the gross domestic product rate formula and a discount factor that takes into account various risks, including the illiquid nature of the investment. A significant increase (decrease) in the gross domestic product rate would have a directionally inverse effect on the fair value of the security. With respect to the fair value measurement of mortgage loans a discounted cash flow approach is applied, a significant increase (decrease) in the assumed spread over U.S. Treasury securities would produce a lower (higher) fair value measurement. Changes in the discount rate or factor used in the valuation techniques to determine the fair values of these private equity investments and mortgage loans generally are not correlated to changes in the other significant unobservable inputs. Significant increase (decrease) in isolation in the discount rate or factor would result in significantly lower (higher) fair value measurements. The remaining Separate Account investments classified as Level 3 excluded from the table consist of mortgage- and asset-backed securities with fair values of approximately $14 million and $8 million at December 31, 2017 and $12 million and $3 million at December 31, 2016, respectively. These fair value measurements are determined using substantially the same valuation techniques as earlier described above for the Company’s General Account investments in these securities. Significant unobservable inputs with respect to the fair value measurement of the Level 3 GMIB reinsurance contract asset and the Level 3 liabilities identified in the table above are developed using the Company data. Validations of unobservable inputs are performed to the extent the Company has experience. When an input is changed the model is updated and the results of

Insurance Liabilities

Insurance Liabilities	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Insurance [Abstract]
Insurance Liabilities	INSURANCE LIABILITIES Variable Annuity Contracts – GMDB, GMIB, GIB and GWBL and Other Features The Company has certain variable annuity contracts with GMDB, GMIB, GIB and GWBL and other features in-force that guarantee one of the following: • Return of Premium: the benefit is the greater of current account value or premiums paid (adjusted for withdrawals); • Ratchet: the benefit is the greatest of current account value, premiums paid (adjusted for withdrawals), or the highest account value on any anniversary up to contractually specified ages (adjusted for withdrawals); • Roll-Up: the benefit is the greater of current account value or premiums paid (adjusted for withdrawals) accumulated at contractually specified interest rates up to specified ages; • Combo: the benefit is the greater of the ratchet benefit or the roll-up benefit, which may include either a five year or an annual reset; or • Withdrawal: the withdrawal is guaranteed up to a maximum amount per year for life. The following table summarizes the direct GMDB and GMIB without a n o-lapse guarantee rider (“ NLG”) feature liabilities, before reinsurance ceded, reflected in the consolidated balance sheets in Future policy benefits and other policyholders’ liabilities: GMDB GMIB Total (in millions) Balance at January 1, 2018 $ 4,059 $ 4,752 $ 8,811 Paid guarantee benefits (291 ) (108 ) (399 ) Other changes in reserve 755 (1,038 ) (283 ) Balance at September 30, 2018 $ 4,523 $ 3,606 $ 8,129 Balance at January 1, 2017 $ 3,164 $ 3,809 $ 6,973 Paid guarantee benefits (272 ) (102 ) (374 ) Other changes in reserve 1,070 747 1,817 Balance at September 30, 2017 $ 3,962 $ 4,454 $ 8,416 The following table summarizes the ceded GMDB liabilities, reflected in the consolidated balance sheets in Amounts due from reinsurers: Nine Months Ended 2018 2017 (in millions) Balance, beginning of year $ 108 $ 85 Paid guarantee benefits (13 ) (11 ) Other changes in reserve 14 30 Balance, end of period $ 109 $ 104 The following table summarizes the assumed GMDB liabilities, reflected in the consolidated balance sheets in Future policy benefits and other policyholders’ liabilities: Nine Months Ended 2018 2017 (in millions) Balance, beginning of year $ 95 $ 121 Paid guarantee benefits (18 ) (16 ) Premiums 16 18 Other changes in reserve (10 ) (34 ) Balance, end of Period $ 83 $ 89 The GMIB reinsurance contract asset is considered to be an insurance derivative and is reported at fair value. The fair value of the GMIB reinsurance contract asset at September 30, 2018 and December 31, 2017 is $1,375 million and $1,894 million , respectively. The September 30, 2018 values for direct variable annuity contracts in-force on such date with GMDB and GMIB features are presented in the following table. For contracts with the GMDB feature, the net amount at risk in the event of death is the amount by which the GMDB exceed related account values. For contracts with the GMIB feature, the net amount at risk in the event of annuitization is the amount by which the present value of the GMIB benefits exceeds related account values, taking into account the relationship between current annuity purchase rates and the GMIB guaranteed annuity purchase rates. Since variable annuity contracts with GMDB guarantees may also offer GMIB guarantees in the same contract, the GMDB and GMIB amounts listed are not mutually exclusive: Direct Variable Annuity Contract Values September 30, 2018 Return of Premium Ratchet Roll-Up Combo Total (Dollars in millions) GMDB: Account values invested in: General Account $ 14,046 $ 102 $ 62 $ 188 $ 14,398 Separate Accounts $ 47,293 $ 9,522 $ 3,418 $ 35,066 $ 95,299 Net amount at risk, gross $ 162 $ 53 $ 1,892 $ 16,098 $ 18,205 Net amount at risk, net of amounts reinsured $ 162 $ 50 $ 1,305 $ 16,098 $ 17,615 Average attained age of policyholders 51.6 66.8 73.4 68.8 55.5 Percentage of policyholders over age 70 9.9 % 42.2 % 64.9 % 49.1 % 18.7 % Range of contractually specified interest rates N/A N/A 3% - 6% 3% - 6.5% 3% - 6.5% GMIB: Account values invested in: General Account N/A N/A $ 21 $ 273 $ 294 Separate Accounts N/A N/A $ 21,549 $ 39,730 $ 61,279 Net amount at risk, gross N/A N/A $ 753 $ 5,793 $ 6,546 Net amount at risk, net of amounts reinsured N/A N/A $ 236 $ 5,272 $ 5,508 Average attained age of policyholders N/A N/A 70.5 69.1 69.2 Weighted average years remaining until annuitization N/A N/A 1.6 0.6 0.6 Range of contractually specified interest rates N/A N/A 3% - 6% 3% - 6.5% 3% - 6.5% The September 30, 2018 values for assumed variable annuity contracts in force on such date with GMDB and GMIB features are presented in the following table: Assumed Variable Annuity Contract Values September 30, 2018 Return of Premium Ratchet Roll-Up Combo Total (Dollars in millions) GMDB: Reinsured account values $ 1,008 $ 5,763 $ 294 $ 1,847 $ 8,912 Net amount at risk assumed $ 6 $ 270 $ 21 $ 265 $ 562 Average attained age of policyholders 67.0 71.9 76.8 75.1 72.2 Percentage of policyholders over age 70 42.0 % 61.3 % 77.5 % 74.6 % 62.4 % Range of contractually specified interest rates N/A N/A 3%-10% 5%-10% 3%-10% GMIB: Reinsured account values $ 967 $ 50 $ 266 $ 1,314 $ 2,597 Net amount at risk assumed $ 1 $ — $ 33 $ 183 $ 217 Average attained age of policyholders 71.3 73.8 71.4 68.5 70.0 Percentage of policyholders over age 70 62.2 % 64.3 % 57.4 % 48.8 % 55.0 % Range of contractually specified interest rates (1) N/A N/A 3.3%-6.5% 6%-6% 3.3%-6.5% ____________________ (1) In general, for policies with the highest contractual interest rate shown ( 10% ), the rate applied only for the first 10 years after issue, which have now elapsed. Separate Account Investments by Investment Category Underlying GMDB and GMIB Features The total account values of variable annuity contracts with GMDB and GMIB features include amounts allocated to the guaranteed interest option, which is backed by the assets in the General Account and variable investment options that invest through Separate Accounts in variable insurance trusts. The following table presents the aggregate fair value of assets, by major investment category, held by Separate Accounts that support variable annuity contracts with GMDB and GMIB guarantees. The investment performance of the assets impacts the related account values and, consequently, the net amount of risk associated with the GMDB and GMIB benefits and guarantees. Because variable annuity contracts offer both GMDB and GMIB features, GMDB and GMIB amounts are not mutually exclusive. Investment in Separate Account Investment Options September 30, December 31, (in millions) GMDB: Equity $ 42,675 $ 41,658 Fixed income 5,274 5,469 Balanced 46,504 46,577 Other 846 968 Total $ 95,299 $ 94,672 September 30, December 31, (in millions) GMIB: Equity $ 19,512 $ 19,928 Fixed income 2,924 3,150 Balanced 38,540 38,890 Other 303 318 Total $ 61,279 $ 62,286 Hedging Programs for GMDB, GMIB, GIB and Other Features Beginning in 2003, the Company established a program intended to hedge certain risks associated first with the GMDB feature and, beginning in 2004, with the GMIB feature of the Accumulator series of variable annuity products. The program has also been extended to cover other guaranteed benefits as they have been made available. This program utilizes derivative contracts, such as exchange-traded equity, currency and interest rate futures contracts, total return and/or equity swaps, interest rate swap and floor contracts, swaptions, variance swaps as well as equity options, that collectively are managed in an effort to reduce the economic impact of unfavorable changes in guaranteed benefits’ exposures attributable to movements in the capital markets. At the present time, this program hedges certain economic risks on products sold from 2001 forward, to the extent such risks are not externally reinsured. At September 30, 2018 , the total account value and net amount at risk of the hedged variable annuity contracts were $69,997 million and $16,706 million , respectively, with the GMDB feature and $59,052 million and $6,602 million , respectively, with the GMIB and GIB feature. A hedge program is also used to manage certain capital markets risks associated with the products the Company has assumed that have GMDB and GMIB features. At September 30, 2018 , the total account value and net amount at risk of the hedged assumed variable annuity contracts were $8,912 million and $562 million , respectively, with the GMDB feature and $2,597 million and $217 million , respectively, with the GMIB feature. These programs do not qualify for hedge accounting treatment. Therefore, gains (losses) on the derivatives contracts used in these programs, including current period changes in fair value, are recognized in Net derivative gains (losses) in the period in which they occur, and may contribute to income (loss) volatility. Variable and Interest-Sensitive Life Insurance Policies - NLG The NLG feature contained in variable and interest-sensitive life insurance policies keeps them in force in situations where the policy value is not sufficient to cover monthly charges then due. The NLG remains in effect so long as the policy meets a contractually specified premium funding test and certain other requirements. The following table summarizes the NLG liabilities reflected in the General Account in Future policy benefits and other policyholders’ liabilities: Direct Liability (1) (in millions) Balance at January 1, 2018 $ 709 Paid Guaranteed Benefits (13 ) Other changes in reserves 80 Balance at September 30, 2018 $ 776 Balance at January 1, 2017 $ 1,294 Other changes in reserves 107 Balance at September 30, 2017 $ 1,401 ____________________ (1) There were no amounts of reinsurance ceded in any period presented.	8) Insurance Liabilities A) Variable Annuity Contracts – GMDB, GMIB, GIB and GWBL and Other Features The Company has certain variable annuity contracts with GMDB, GMIB, GIB and GWBL and other features in-force • Return of Premium: the benefit is the greater of current account value or premiums paid (adjusted for withdrawals); • Ratchet: the benefit is the greatest of current account value, premiums paid (adjusted for withdrawals), or the highest account value on any anniversary up to contractually specified ages (adjusted for withdrawals); • Roll-Up: • Combo: the benefit is the greater of the ratchet benefit or the roll-up • Withdrawal: the withdrawal is guaranteed up to a maximum amount per year for life. The following table summarizes the direct GMDB and GMIB with no NLG features liabilities, before reinsurance ceded, reflected in the consolidated balance sheets in future policy benefits and other policyholders’ liabilities: GMDB GMIB Total (in millions) Balance at January 1, 2015 $ 1,721 4,593 $ 6,314 Paid guarantee benefits (313 ) (90 ) (403 ) Other changes in reserve 1,561 (661 ) 900 Balance at December 31, 2015 2,969 3,842 6,811 Paid guarantee benefits (357 ) (281 ) (638 ) Other changes in reserve 552 241 793 Balance at December 31, 2016 3,164 3,802 6,966 Paid guarantee benefits (354 ) (151 ) (505 ) Other changes in reserve 1,249 1,101 2,350 Balance at December 31, 2017 $ 4,059 $ 4,752 $ 8,811 The following table summarizes the ceded GMDB liabilities, reflected in the consolidated balance sheets in amounts due from reinsurers: GMDB (in millions) Balance at January 1, 2015 $ 68 Paid guarantee benefits (18 ) Other changes in reserve 48 Balance at December 31, 2015 98 Paid guarantee benefits (15 ) Other changes in reserve 7 Balance at December 31, 2016 90 Paid guarantee benefits (14 ) Other changes in reserve 32 Balance at December 31, 2017 $ 108 The following table summarizes the assumed GMDB liabilities, reflected in the consolidated balance sheets in future policy benefits and other policyholders’ liabilities: GMDB (in millions) Balance at January 1, 2015 $ 121 Paid guarantee benefits (32 ) Other changes in reserve 46 Balance at December 31, 2015 135 Paid guarantee benefits (33 ) Other changes in reserve 19 Balance at December 31, 2016 121 Paid guarantee benefits (21 ) Other changes in reserve (5 ) Balance at December 31, 2017 $ 95 The liability for the GMxB derivative features liability, the liability for SCS, SIO, MSO and IUL indexed features and the GMIB reinsurance contracts are considered embedded or freestanding insurance derivatives and are reported at fair value. Summarized in the table below is a summary of the fair value of these liabilities at December 31, 2017 and 2016: December 31, 2017 2016 (in millions) GMIBNLG (1) $ 4,149 $ 5,309 SCS, SIO, MSO, IUL features (2) 1,786 940 Assumed GMIB reinsurance Contracts (1) 194 258 GWBL/GMWB (1) 130 114 GIB (1) (27 ) 30 GMAB (1) 5 20 Total Embedded and Freestanding derivative liability $ 6,237 $ 6,671 GMIB reinsurance contract asset (3) $ 1,894 $ 1,735 (1) Reported in future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (2) Reported in policyholders’ account balances in the consolidated balance sheets. (3) Reported in GMIB reinsurance contract asset, at fair value in the consolidated balance sheets. The December 31, 2017 values for direct variable annuity contracts in force on such date with GMDB and GMIB features are presented in the following table. For contracts with the GMDB feature, the net amount at risk in the event of death is the amount by which the GMDB exceed related account values. For contracts with the GMIB feature, the net amount at risk in the event of annuitization is the amount by which the present value of the GMIB benefits exceeds related account values, taking into account the relationship between current annuity purchase rates and the GMIB guaranteed annuity purchase rates. Since variable annuity contracts with GMDB guarantees may also offer GMIB guarantees in the same contract, the GMDB and GMIB amounts listed are not mutually exclusive: Return of Ratchet Roll-Up Combo Total (in millions; except age and interest rate) GMDB Account values invested in: General Account $ 13,821 $ 109 $ 65 $ 200 $ 14,195 Separate Accounts $ 45,815 $ 9,556 $ 3,515 $ 35,784 $ 94,670 Net amount at risk, gross $ 169 $ 57 $ 1,961 $ 15,340 $ 17,527 Net amount at risk, net of amounts reinsured $ 169 $ 53 $ 1,344 $ 15,340 $ 16,906 Average attained age of policyholders 51.3 66.4 73 68.3 55.2 Percentage of policyholders over age 70 9.6 % 40.2 % 63.1 % 46.5 % 18.1 % Range of contractually specified interest rates N.A. N.A. 3% - 6 % 3% - 6.5 % 3% - 6.5 % GMIB Account values invested in: General Account N.A. N.A. $ 23 $ 293 $ 316 Separate Accounts N.A. N.A. $ 21,195 $ 41,091 $ 62,286 Net amount at risk, gross N.A. N.A. $ 918 $ 6,337 $ 7,255 Net amount at risk, net of amounts reinsured N.A. N.A. $ 287 $ 5,749 $ 6,036 Weighted average years remaining until annuitization N.A. N.A. 1.7 0.8 0.9 Range of contractually specified interest rates N.A. N.A. 3% - 6 % 3% - 6.5 % 3% - 6.5 % The December 31, 2017 values for assumed variable annuity contracts in force on such date with GMDB and GMIB features are presented in the following table: Return of Ratchet Roll-Up Combo Total (in millions, except age and interest rates) GMDB Reinsured Account values $ 1,071 $ 6,102 $ 318 $ 1,968 $ 9,459 Net amount at risk assumed $ 7 $ 291 $ 24 $ 315 $ 637 Average attained age of policyholders 66.8 71.8 76.8 75 72.1 Percentage of policyholders over age 70 40.4 % 60.7 % 76.4 % 73.7 % 61.6 % Range of contractually specified interest rates N/A N/A 3%-10 % 5%-10 % 3%-10 % GMIB Reinsured Account values $ 1,022 $ 55 $ 289 $ 1,390 $ 2,756 Net amount at risk assumed $ 2 $ — $ 38 $ 241 $ 281 Average attained age of policyholders 71.2 73.4 71 68.2 69.7 Percentage of policyholders over age 70 61.6 % 61.9 % 55.5 % 47.7 % 54.0 % Range of contractually specified interest rates (1) N/A N/A 3.3%-6.5 % 6%-6 % 3.3%-6.5 % (1) In general, for policies with the highest contractual interest rate shown (10%), the rate applied only for the first 10 years after issue, which have now elapsed. For more information about the reinsurance programs of the Company’s GMDB and GMIB exposure, see “Reinsurance Agreements” in Note 9. Variable Annuity In-force in-force B) Separate Account Investments by Investment Category Underlying GMDB and GMIB Features The total account values of variable annuity contracts with GMDB and GMIB features include amounts allocated to the guaranteed interest option, which is part of the General Account and variable investment options that invest through Separate Accounts in variable insurance trusts. The following table presents the aggregate fair value of assets, by major investment category, held by Separate Accounts that support variable annuity contracts with GMDB and GMIB guarantees. The investment performance of the assets impacts the related account values and, consequently, the net amount of risk associated with the GMDB and GMIB benefits and guarantees. Because variable annuity contracts offer both GMDB and GMIB features, GMDB and GMIB amounts are not mutually exclusive. Investment in Variable Insurance Trust Mutual Funds December 31, 2017 2016 (in millions) GMDB Equity $ 41,658 $ 36,891 Fixed income 5,469 5,545 Balanced 46,577 43,562 Other 968 892 Total $ 94,672 $ 86,890 GMIB Equity $ 19,928 $ 18,262 Fixed income 3,150 3,298 Balanced 38,890 35,931 Other 318 358 Total $ 62,286 $ 57,849 C) Hedging Programs for GMDB, GMIB, GIB and Other Features Beginning in 2003, the Company established a program intended to hedge certain risks associated first with the GMDB feature and, beginning in 2004, with the GMIB feature of the Accumulator series of variable annuity products. The program has also been extended to cover other guaranteed benefits as they have been made available. This program utilizes derivative contracts, such as exchange-traded equity, currency and interest rate futures contracts, total return and/or equity swaps, interest rate swap and floor contracts, swaptions, variance swaps as well as equity options, that collectively are managed in an effort to reduce the economic impact of unfavorable changes in guaranteed benefits’ exposures attributable to movements in the capital markets. At the present time, this program hedges certain economic risks on products sold from 2001 forward, to the extent such risks are not externally reinsured. At December 31, 2017, the total account value and net amount at risk of the hedged variable annuity contracts were $70,554 million and $15,952 million, respectively, with the GMDB feature and $59,297 million and $6,801 million, respectively, with the GMIB and GIB feature. A hedge program is also used to manage certain capital markets risks associated with the products the Company has assumed that have GMDB and GMIB features. At December 31, 2017, the total account value and net amount at risk of the hedged assumed variable annuity contracts were $9,459 million and $637 million, respectively, with the GMDB feature and $2,756 million and $281 million, respectively, with the GMIB feature. These programs do not qualify for hedge accounting treatment. Therefore, gains (losses) on the derivatives contracts used in these programs, including current period changes in fair value, are recognized in net investment income (loss) in the period in which they occur, and may contribute to income (loss) volatility. D) Variable and Interest-Sensitive Life Insurance Policies – NLG The NLG feature contained in variable and interest-sensitive life insurance policies keeps them in force in situations where the policy value is not sufficient to cover monthly charges then due. The NLG remains in effect so long as the policy meets a contractually specified premium funding test and certain other requirements. The following table summarizes the NLG liabilities, reflected in the General Account in Future policy benefits and other policyholders’ liabilities, the related reinsurance reserve ceded, reflected in Amounts due from reinsurers and deferred cost of reinsurance, reflected in Other assets in the Consolidated balance sheets: Direct (1) (in millions) Balance at January 1, 2015 $ 1,073 Other changes in reserves 174 Balance at December 31, 2015 1,247 Other changes in reserves 64 Balance at December 31, 2016 1,311 Paid guarantee benefits (24 ) Other changes in reserves (578 ) Balance at December 31, 2017 $ 709 (1) There were no amounts of reinsurance ceded in any period presented.

REINSURANCE AGREEMENTS

REINSURANCE AGREEMENTS	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Insurance [Abstract]
REINSURANCE AGREEMENTS	REINSURANCE AGREEMENTS Effective February 1, 2018, AXA Equitable Life entered into a coinsurance reinsurance agreement (the “Coinsurance Agreement”) to cede 90% of its single premium deferred annuities (SPDA) products issued between 1978-2001 and its Guaranteed Growth Annuity (GGA) single premium deferred annuity products issued between 2001-2014. As a result of this agreement, AXA Equitable Life transferred securities with a market value of $604 million and cash of $31 million to equal the statutory reserves of approximately $635 million. As the risks transferred by AXA Equitable Life to the reinsurer under the Coinsurance Agreement are not considered insurance risks and therefore do not qualify for reinsurance accounting, AXA Equitable Life applied deposit accounting. Accordingly, AXA Equitable Life recorded the transferred assets of $635 million as a deposit asset recorded in Other assets, net of the ceding commissions paid to the reinsurer.	9) REINSURANCE AGREEMENTS The Company assumes and cedes reinsurance with other insurance companies. The Company evaluates the financial condition of its reinsurers to minimize its exposure to significant losses from reinsurer insolvencies. Ceded reinsurance does not relieve the originating insurer of liability. The following table summarizes the effect of reinsurance: Year ended December 31, 2017 2016 2015 (in millions) Direct premiums $ 1,038 $ 998 $ 982 Reinsurance assumed 225 231 234 Reinsurance ceded (139 ) (146 ) (146 ) Net Premiums $ 1,124 $ 1,083 $ 1,070 Policy charges and fee income ceded $ 381 $ 393 $ 378 Policyholders’ benefits ceded $ 657 $ 871 $ 695 Interest credited to policyholders’ account balances ceded $ 46 $ 51 $ 62 Ceded Reinsurance The Company reinsures most of its new variable life, UL and term life policies on an excess of retention basis. The Company generally retains on a per life basis up to $25 million for single lives and $30 million for joint lives with the excess 100% reinsured. The Company also reinsures risk on certain substandard underwriting risks and in certain other cases. At December 31, 2017 and 2016, the Company had reinsured with non-affiliates in-force Based on management’s estimates of future contract cash flows and experience, the estimated net fair values of the ceded GMIB reinsurance contracts, considered derivatives at December 31, 2017 and 2016 were $1,894 million and $1,735 million, respectively. The increases (decreases) in estimated fair value were $159 million, $(93) million and $(322) million for 2017, 2016 and 2015, respectively. At December 31, 2017 and 2016, third-party reinsurance recoverables related to insurance contracts amounted to $5,023 million and $5,220 million, respectively. Additionally, $2,962 million and $3,096 million of the amounts due from reinsurers relates to two reinsurers, Zurich Insurance Company, Ltd. (AA- (AA- At December 31, 2017 and 2016, amounts due to reinsurers were $1,436 million and $1,509 million, respectively. Included in this balance were policy loans ceded to RGA Reinsurance Company of $1,212 million and $1,289 million, respectively and policy loans ceded to Protective Life of $128 million and $130 million, respectively. The Company cedes substantially all of its group health business to a third party insurer. Insurance liabilities ceded totaled $71 million and $82 million at December 31, 2017 and 2016, respectively. The Company also cedes a portion of its extended term insurance and paid-up Assumed Reinsurance In addition to the sale of insurance products, the Company currently acts as a professional retrocessionaire by assuming risk from professional reinsurers. The Company also has a run-off For affiliated reinsurance agreements, see “Related Party Transactions” in Note 11.

SHORT-TERM AND LONG TERM DEBT

SHORT-TERM AND LONG TERM DEBT	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
SHORT-TERM AND LONG TERM DEBT	SHORT-TERM AND LONG-TERM DEBT Short-term and long-term debt outstanding as of September 30, 2018 and December 31, 2017 included: September 30, 2018 December 31, 2017 (in millions) Short-term debt: AB commercial paper (with interest rates of 2.2% and 1.6%) $ 398 $ 491 AB revolving credit facility (with interest rate of 2.4%) — 75 AXA Financial commercial paper (with interest rates of 0% and 1.6%) — 1,290 Total short-term debt 398 1,856 Long-term debt: Senior Notes (5.00%, due 2048) 1,480 — Senior Notes (4.35%, due 2028) 1,486 — Senior Notes (3.90%, due 2023) 793 — Delayed Draw Term Loan (3 month LIBOR + 1.125%, due 2021) 300 — AXA Financial Senior Debentures, 7.0%, due 2028 349 349 AXA Equitable non-recourse mortgage debt (with interest rates of 4.1%) — 82 AXA Equitable non-recourse mortgage debt (with interest rates of 3.9%) — 121 Total long-term debt 4,408 552 Total short-term and long-term debt $ 4,806 $ 2,408 Short-term Debt AB Commercial Paper As of September 30, 2018 and December 31, 2017, AB had $398 million and $491 million , respectively, in commercial paper outstanding with weighted average interest rates of approximately 2.2% and 1.6% , respectively. The commercial paper is short term in nature, and as such, recorded value is estimated to approximate fair value (and considered a Level 2 security in the fair value hierarchy). Average daily borrowings of commercial paper during the nine months ended September 30, 2018 and the year ended December 31, 2017 were $372 million and $482 million , respectively, with weighted average interest rates of approximately 1.9% and 1.2% , respectively. AXA Financial Commercial Paper In June 2009, AXA Financial and AXA initiated a commercial paper program on a private placement basis under which AXA Financial or AXA may issue short-term unsecured notes in an aggregate amount not to exceed $2 billion outstanding at any time. At December 31, 2017, $1.3 billion was outstanding with an interest rate of 1.6% . Prior to June 12, 2018, the obligations of AXA Financial were guaranteed by AXA. Subsequent to June 12, 2018, there are no amounts outstanding under this commercial paper program. On October 1, 2018, AXA Financial merged with and into its direct parent, Holdings, with Holdings continuing as the surviving entity. See Note 20 for further discussion. Long-term Debt Holdings Senior Notes On April 20, 2018, Holdings issued $800 million aggregate principal amount of 3.900% Senior Notes due 2023, $1.5 billion aggregate principal amount of 4.350% Senior Notes due 2028 and $1.5 billion aggregate principal amount of 5.000% Senior Notes due 2048 (together, the “Notes”). These amounts are recorded net of original issue discount and issuance costs. Holdings Three-Year Delayed Draw Term Loan On May 4, 2018, Holdings borrowed $300 million under a $500 million three -year senior unsecured delayed draw term loan agreement and terminated the remaining $200 million capacity at the date of the IPO. AXA Financial Senior Debentures As of September 30, 2018 and December 31, 2017, AXA Financial had outstanding $349 million aggregate principal amount of 7.0% Senior Debentures due 2028 (the “Senior Debentures”). Through September 30, 2018, the Senior Debentures were the unsecured, senior indebtedness of AXA Financial. On October 1, 2018, AXA Financial merged with and into its direct parent, Holdings, with Holdings continuing as the surviving entity. As a result of the merger, Holdings assumed AXA Financial’s obligations under the Senior Debentures. See Note 20 . Credit Facilities Holdings Two-Year Delayed Draw Term Loan In February 2018, Holdings entered into a $3.9 billion two year senior unsecured delayed draw term loan agreement which was terminated in April 2018. Holdings Revolving Credit Facility In February 2018, Holdings entered into a $2.5 billion five -year senior unsecured revolving credit facility with a syndicate of banks. The revolving credit facility has a sub-limit of $1.5 billion for the issuance of letters of credit to support our life insurance business reinsured by EQ AZ Life Re following the GMxB Unwind and the third-party GMxB variable annuity business reinsured by CS Life RE Company (“CS Life RE”). In April 2018, the Company had $125 million and $800 million of undrawn letters of credit issued out of the $1.5 billion sub-limit for ACS Life and AXA Equitable Life, respectively, as beneficiaries. Bilateral Letter of Credit Facilities In February 2018, the Company entered into bilateral letter of credit facilities, each guaranteed by Holdings, with an aggregate principal amount of approximately $1.9 billion , with the following counterparties: • JP Morgan Chase Bank, N.A. ( $150 million ) • Citibank Europe PLC ( $175 million ) • Barclays Bank PLC ( $150 million ) • HSBC Bank USA, National Association ( $150 million ) • Credit Agricole Corporate and Investment Bank ( $400 million ) • Landesbank Hessen-Thuringen Girozentrale ( $300 million ) • Commerzbank AG, New York Branch ( $325 million ) • Natixis, New York Branch ( $250 million ) These facilities support our life insurance business reinsured by EQ AZ Life Re following the GMxB Unwind. As of September 30, 2018, $1.9 billion of letters of credit were issued under these facilities, each of which matures on February 16, 2023. AB Revolving Credit Facility On September 27, 2018, AB amended and restated the existing $1.0 billion committed, unsecured senior revolving credit facility (the “AB Credit Facility”) with a group of commercial banks and other lenders, reducing the principal amount to $800 million and extending the maturity to September 27, 2023. The credit facility provides for possible increases in the principal amount by up to an aggregate incremental amount of $ 200 million . Any such increase is subject to the consent of the affected lenders. The AB Credit Facility is available for AB and SCB LLC for business purposes, including the support of AB’s commercial paper program. Both AB and SCB LLC can draw directly under the AB Credit Facility and AB management expects to draw on the AB Credit Facility from time to time. AB has agreed to guarantee the obligations of SCB LLC under the AB Credit Facility. The AB Credit Facility contains affirmative, negative and financial covenants, which are customary for facilities of this type, including, among other things, restrictions on dispositions of assets, restrictions on liens, a minimum interest coverage ratio and a maximum leverage ratio. As of September 30, 2018 , AB was in compliance with these covenants. The AB Credit Facility also includes customary events of default (with customary grace periods, as applicable), including provisions under which, upon the occurrence of an event of default, all outstanding loans may be accelerated and/or lender’s commitments may be terminated. Also, under such provisions, upon the occurrence of certain insolvency- or bankruptcy-related events of default, all amounts payable under the AB Credit Facility would automatically become immediately due and payable, and the lender’s commitments would automatically terminate. As of September 30, 2018 and December 31, 2017 , AB and SCB LLC had no amounts outstanding under the AB Credit Facility. During the first nine months of 2018 and the full year 2017 , AB and SCB LLC did not draw upon the AB Credit Facility. AB has a $200 million , unsecured 364-day senior revolving credit facility (the “Revolver”) with a leading international bank and the other lending institutions that may be party thereto, which matures on November 28, 2018. The Revolver is available for AB's and SCB LLC’s business purposes, including the provision of additional liquidity to meet funding requirements primarily related to SCB LLC’s operations. Both AB and SCB LLC can draw directly under the Revolver and management expects to draw on the Revolver from time to time. AB has agreed to guarantee the obligations of SCB LLC under the Revolver. The Revolver contains affirmative, negative and financial covenants that are identical to those of AB’s $800 million committed, unsecured senior revolving credit facility. As of September 30, 2018, AB had no amounts outstanding under the Revolver. As of December 31, 2017, AB had $75 million outstanding under the Revolver with an interest rate of 2.4% . Average daily borrowing under the Revolver during the nine months ended September 30, 2018 and year ended December 31, 2017 were $17 million and $21 million , respectively, with weighted average interest rates of approximately 2.7% and 2.0% , respectively. Termination of AXA Financial’s Participation in AXA Facilities On the date of the IPO, AXA Financial terminated its participation in the following credit facilities guaranteed by AXA: (i) J.P. Morgan Chase Bank $250 million multi-currency revolving credit facility; (ii) Citibank $300 million multi-currency credit facility; (iii) Bank of America Merrill Lynch $300 million multi-currency revolving credit facility; and (iv) club deal unsecured revolving credit facility with a number of lending institutions for $1.3 billion . Also, AXA Financial, AXA RE Arizona Company (“ AXA RE Arizona”) and CS Life RE terminated their participation in an unsecured revolving credit facility guaranteed by AXA totaling €1.6 billion (or its equivalent in optional currencies) with a number of major European lending institutions. On April 25, 2018, AXA Equitable Life (as successor to AXA RE Arizona) canceled its $1.5 billion revolving credit facility with AXA. In the second quarter of 2018, AXA RE Arizona terminated its participation in the following credit facilities guaranteed by AXA: (i) $ 700 million letter of credit facility agreement with Commerzbank, (ii) $ 2.5 billion letter of credit facility agreement with Citibank Europe Plc and (iii) $ 200 million letter of credit facility agreement with JP Morgan Europe Limits.	10) SHORT-TERM AND LONG TERM DEBT Short-term and long term debt consists of the following: December 31, 2017 2016 (in millions) Short-term debt: AB revolving credit facility (with interest rate of 2.4%) $ 75 $ — AB commercial paper (with interest rates of 1.6% and 0.9%) 491 513 AXA Financial commercial paper (with interest rates of 1.6% and 1.5%) 1,290 743 Total short-term debt $ 1,856 $ 1,256 Long-term debt: AXA Financial Senior Debentures, 7.0%, due 2028 349 349 AXA Equitable non-recourse 82 — AXA Equitable non-recourse 121 — Total Short-term and Long-term debt $ 2,408 $ 1,605 Short-term Debt On December 1, 2016, AB entered into a $200 million, unsecured 364-day As of December 31, 2017 and 2016, AB had $491 million and $513 million, respectively, in commercial paper outstanding with weighted average interest rates of approximately 1.6% and 0.9%, respectively. In June 2009, AXA Financial and AXA initiated a commercial paper program on a private placement basis under which AXA Financial or AXA may issue short-term unsecured notes in an aggregate amount not to exceed $2,000 million outstanding at any time. The obligations of AXA Financial are guaranteed by AXA. At December 31, 2017 and 2016, $1,290 million and $743 million were outstanding with interest rates of 1.6% and 1.5%, respectively. Long-term Debt As of December 31, 2017, AXA Financial had outstanding $349 million aggregate principal amount of 7% Senior Debentures due 2028 (the “Senior Debentures”). The Senior Debentures are the unsecured, senior indebtedness of AXA Financial. The Senior Debentures contain customary affirmative and negative covenants, including a limitation on liens and a limit on AXA Financial’s ability to consolidate, merge or sell or otherwise dispose of all or substantially all of its assets. The Senior Debentures also include customary events of default (with customary grace periods, as applicable), including provisions under which, upon the occurrence of an event of default, all outstanding Senior Debentures may be accelerated. At December 31, 2017, AXA Financial was not in breach of any of the covenants contained in the Senior Debentures. As of December 31, 2017, AXA Equitable had $121 million on and $82 million in mortgage debt outstanding on two consolidated real estate joint ventures due August 2027 and September 2022 respectively, with a weighted average interest rates of approximately 3.9% and 4.1%, respectively. Credit facilities available to the Company consist of following: Date Available to Facilities Start Maturity Total Revolver Swingline (In Millions) Bilateral Facilities: JP Morgan 5/7/2014 5/7/2019 $ 400 $ 250 $ 250 Citibank 12/18/2015 12/18/2020 $ 300 $ 300 $ 300 BAML 7/28/2016 7/28/2021 $ 450 $ 300 $ 300 Syndicated Facilities: Club Deal (HSBC as Agent) 12/12/2014 12/11/2020 € 1,570 € 1,570 $ 1,000 Club Deal (Citibank as Agent) 6/26/2015 6/26/2021 $ 1,295 $ 250 $ 250 AB Revolver 11/29/2017 11/28/2018 $ 200 $ 200 $ — AB Credit Facility 10/22/2014 10/22/2019 $ 1,000 $ 1,000 $ 240 Affiliated Facilities: AXA S.A. 11/18/2016 11/18/2019 $ 1,500 $ 1,500 $ — Additional Credit Facilities Available In May 2014, AXA and AXA Financial entered into a credit agreement with J. P. Morgan Chase Bank. The credit agreement calls for a $250 million multicurrency revolving credit facility (including a swingline facility). In July 2017, AXA and AXA Financial amended the credit agreement with J.P. Morgan Chase Bank to increase the multicurrency revolving credit facility from $250 million to $400 million. Under the terms of the amended credit agreement, up to $250 million is available to AXA Financial for general corporate purposes and Commercial Paper refinancing (“CP refinancing”). The obligations of AXA Financial are guaranteed by AXA. At December 31, 2017, no borrowings were outstanding. In December 2015, AXA and AXA Financial entered into a credit agreement with Citibank which calls for a $300 million multicurrency revolving credit facility (including a swingline facility). Under the terms of the credit agreement, up to $300 million is available to AXA Financial for general corporate purpose and CP refinancing until its maturity. The obligations of AXA Financial are guaranteed by AXA. At December 31, 2017, no borrowings were outstanding. In July 2016, AXA and AXA Financial entered into a credit agreement with Bank of America Merrill Lynch. The credit agreement calls for a $300 million multicurrency revolving credit facility (including a swingline facility). In July 2017, AXA and AXA Financial amended the credit agreement to increase the multicurrency revolving credit facility from $300 million to $450 million. Under the terms of the amended credit agreement, up to $300 million is available to AXA Financial for general corporate purposes and CP refinancing until its maturity. The obligations of AXA Financial are guaranteed by AXA. At December 31, 2017, no borrowings were outstanding. In December 2014, AXA, AXA Financial, AXA Arizona RE and CS Life Re entered into a credit agreement with a number of major European lending institutions. The credit agreement provides for an unsecured revolving credit facility totaling €1,570 million (or its equivalent in optional currencies). The obligations of AXA Financial, AXA Arizona RE and CS Life Re are guaranteed by AXA. Amounts under the credit agreement may be borrowed for general corporate purposes and CP refinancing. At December 31, 2017, no borrowings were outstanding. In June 2015, AXA and AXA Financial entered into a club deal credit facility with a number of lending institutions. The credit agreement provides for an unsecured revolving credit facility totaling $1,295 million (or its equivalent in optional currencies). The aggregated maximum amount which may be utilized by AXA Financial in respect of revolving loans or swingline advances is $250 million. AXA Financial may only draw loans denominated in U.S. dollars. The obligations of AXA Financial are guaranteed by AXA. Loans drawn under the credit agreement may be borrowed for general corporate purposes and swingline advances for CP refinancing until its maturity. At December 31, 2017, no borrowings were outstanding under this facility. In November 2016, AXA Arizona RE entered into a revolving facility agreement with AXA. The credit agreement provides for an unsecured revolving credit facility totaling $1,500 million with a 3 year maturity. At December 31, 2017, no borrowings were outstanding under this facility. AB has a $1,000 million committed, unsecured senior revolving credit facility (“AB Credit Facility”) with a group of commercial banks and other lenders, which matures on October 22, 2019. The AB Credit Facility provides for possible increases in the principal amount by up to an aggregate incremental amount of $250 million; any such increase is subject to the consent of the affected lenders. The AB Credit Facility is available for AB and SCB LLC’s business purposes, including the support of AB’s $1,000 million commercial paper program. Both AB and SCB LLC can draw directly under the AB Credit Facility and management may draw on the AB Credit Facility from time to time. AB has agreed to guarantee the obligations of SCB LLC under the AB Credit Facility. The AB Credit Facility contains affirmative, negative and financial covenants, which are customary for facilities of this type, including restrictions on dispositions of assets, restrictions on liens, a minimum interest coverage ratio and a maximum leverage ratio. As of December 31, 2017, AB and SCB LLC were in compliance with these covenants. The AB Credit Facility also includes customary events of default (with customary grace periods, as applicable), including provisions under which, upon the occurrence of an event of default, all outstanding loans may be accelerated and/or lender’s commitments may be terminated. Also, under such provisions, upon the occurrence of certain insolvency- or bankruptcy-related events of default, all amounts payable under the AB Credit Facility automatically would become immediately due and payable, and the lender’s commitments automatically would terminate. Amounts under the AB Credit Facility may be borrowed, repaid and re-borrowed As of December 31, 2017, AB and SCB LLC had no amounts outstanding under the AB Credit Facility and did not draw upon the AB Credit Facility in 2017. SCB LLC has three uncommitted lines of credit with three financial institutions. Two of these lines of credit permit SCB LLC to borrow up to an aggregate of approximately $175 million, with AB named as an additional borrower, while one line has no stated limit. As of December 31, 2017, SCB LLC had no bank loans outstanding. In July 2011, AXA, AXA Financial and AXA RE Arizona Company (“AXA Arizona RE”) entered into a multi-currency revolving credit facility with a number of lending institutions. The credit agreement provides for an unsecured revolving credit facility totaling €4,000 million (or its equivalent in optional currencies). In July 2017, AXA Financial, AXA, and AXA Arizona RE voluntarily canceled their participation in this facility.

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	RELATED PARTY TRANSACTIONS The Company’s significant transactions during the nine months ended September 30, 2018 with related parties are summarized below. Cost Sharing and General Service Agreements In light of the IPO, Holdings and AXA entered into a Transitional Services Agreement, dated as of May 4, 2018 (the “TSA”), regarding the continued provision of services between the Company and AXA and its subsidiaries on a transitional basis. The TSA replaced existing cost-sharing and general service agreements with various AXA subsidiaries and governs the following types of services: • services AXA or its subsidiaries (other than the Company) receive pursuant to a contract with a third-party service provider, which AXA or its subsidiaries then provide to the Company on a pass-through basis; • services the Company receives pursuant to a contract with a third-party service provider, which the Company then provides to AXA or its subsidiaries (excluding the Company) on a pass-through basis; • certain services the Company receives directly from AXA or its subsidiaries (excluding the Company); and • certain services the Company provides directly to AXA or its subsidiaries (excluding the Company). The fees for each service vary and may be based on costs, usage, previously established rates or other factors. Generally, all services other than specified long-term services will be provided until the third anniversary of the date of a change in control of Holdings, unless the service recipient elects to terminate the service earlier upon 180 days written notice. The specified long-term services will be provided until specific end dates listed in the TSA. Trademark License Agreement On May 4, 2018, AXA and Holdings entered into a Trademark License Agreement (the “TLA”) that replaced the existing sub-licensing agreement between AXA Financial and AXA (the “Former TLA”). Under the TLA, AXA grants the Company a limited license to use certain trademarks (the “Licensed Marks”), including the name “AXA” and domain names, in the United States and Canada (the “Territory”). Under the TLA, the Company is obligated to pay AXA consideration for the grant of the license based on the same formula that applied under the Former TLA which takes into account the Company’s revenue (excluding certain items) and a notoriety index for the Licensed Marks in the Territory. AXA may terminate the TLA upon a change in control of Holdings. After the termination of the TLA, the Company will be able to continue to use the Licensed Marks for a transition period but the Company will be required to use reasonable best efforts to transition to other trademarks. Tax Sharing Agreement Holdings entered into a tax sharing agreement with AXA and AXA Investment Managers S.A. (“AXA IM SA”) on March 28, 2018 related to the sale of AXA-IM Holding U.S. Inc. and AXA America Corporate Solutions (“AXA CS”), described below. The agreement generally allocates responsibility for the taxes of AXA-IM Holding U.S. Inc. and AXA CS to the seller of the applicable entity for taxable periods predating the sale and to the buyer of such entity for taxable periods postdating the sale, except that any taxes arising in connection with the sale transactions as a result of an adjustment by a taxing authority will instead be borne 90% by the seller and 10% by the buyer (or, if that taxes are attributable to any action or inaction of the seller or the buyer, 100% by the responsible party). Disposition of AXA CS Holdings formerly held 78.99% of the shares of AXA CS, which holds certain AXA U.S. P&C business. AXA CS and its subsidiaries have been excluded from the historical Consolidated Financial Statements since they were operated independently from the other Holdings subsidiaries. In March 2018, Holdings sold its AXA CS shares to AXA for $630 million . In anticipation of this sale, in the fourth quarter of 2017, AXA made a short-term loan of $622 million to Holdings with interest calculated at 3-month LIBOR plus 0.439% margin. Holdings’ repayment obligation to AXA in respect of this loan was set off against the purchase price for the AXA CS shares, and AXA paid Holdings the $8 million balance in cash. The net result of the sale was a decrease in Loans from affiliates of $622 million , an increase in cash of $8 million , and an increase in capital in excess of par of $630 million . Settlement of Borrowings In September 2007, AXA issued a $700 million 5.4% Senior Unsecured Note to AXA Equitable. In January 2018, AXA pre-paid $50 million of the $700 million note. In April 2018, AXA pre-paid the remainder of this note. In December 2008, AXA received a $500 million term loan from AXA Financial. In December 2014, AXA repaid $300 million of this loan. In January 2018, AXA pre-paid an additional $150 million of the loan. In April 2018, AXA pre-paid the remainder of this loan. In March 2010, AXA Financial issued subordinated notes to AXA Life Japan in the amount of $ 770 million . The notes were repaid on April 20, 2018. In 2013, Holdings received a $ 242 million loan and a $145 million loan from Coliseum Re. The loans each had an interest rate of 4.75% and a maturity date in December 2028. The loans were repaid on April 20, 2018. In October 2012, AXA Financial issued a note denominated in Euros in the amount of €300 million or $391 million to AXA Belgium S.A. (“AXA Belgium”). This note had an interest rate of Europe Interbank Offered Rate (“EURIBOR”) plus 1.15% and a maturity date of October 23, 2017. Concurrently, AXA Financial entered into a swap with AXA covering the exchange rate on both the interest and principal payments related to this note. Both the loan and the swap were repaid on March 29, 2018. In December 2014, AXA Financial received a $ 2,727 million , 3-month LIBOR plus 1.06% margin term loan from AXA. AXA Financial repaid $ 520 million of this loan in June 2015 and repaid an additional $ 1,200 million of this loan in 2016. On April 20, 2018, the remainder of this loan was repaid. In 2015, Holdings received a $366 million 3-month LIBOR plus 1.44% loan from AXA. This loan was repaid on April 20, 2018. In December 2013, Colisée Re issued a $145 million 4.75% Senior Unsecured Note to Holdings. This loan was repaid on March 26, 2018. In 2017, Holdings received a $100 million and $10 million loan from AXA CS. The loans had interest rates of 1.86% and 1.76% , respectively, and were repaid on their maturity date of February 5, 2018. Disposition of Real Estate Joint Ventures In March 2018, AXA Equitable Life sold its interest in two consolidated real estate joint ventures to AXA France for a total purchase price of approximately $143 million . Acquisition of Noncontrolling Interest of AXA Financial In March 2018, AXA contributed the 0.5% noncontrolling interest in AXA Financial to Holdings, resulting in AXA Financial becoming a wholly-owned subsidiary of Holdings. The contribution is reflected as a $66 million capital contribution. Acquisition of Additional AB Units On April 23, 2018, Holdings purchased: (i) 100% of the shares of AXA-IM Holding U.S. Inc., which owns 41,934,582 AB Units, for a purchase price of $1,113 million and (ii) 8,160,000 AB Units held by Coliseum Re for $217 million . As a result of these two transactions, Holdings ownership of AB increased to approximately 65% , Noncontrolling interest decreased by $29 million , Capital in excess of par increased by $17 million and taxes payable increased by $174 million . Acquisition of 30.3% of AXA Venture Partners SAS On May 7, 2018, Holdings made a capital contribution of approximately $2.6 million to AXA Venture Partners SAS in exchange for approximately 30.3% of the shares of AXA Venture Partners SAS and certain rights and protections as a shareholder of the company, including the right to appoint two members of the management committee as well as consent rights over significant transactions. Revolving Credit Facility with AXA On April 25, 2018, AXA Equitable Life (as successor to AXA RE Arizona) canceled its $1.5 billion revolving credit facility with AXA. AXA Guarantees As of May 14, 2018, AXA no longer guaranteed any of the Company’s borrowing other than amounts borrowed under the $2 billion AXA and AXA Financial commercial paper program. As of June 12, 2018, there are no longer any amounts outstanding under the commercial paper program and AXA no longer provides any related guarantees. Insurance Coverage Provided by XL Catlin Prior to AXA Group’s acquisition of XL Catlin on September 12, 2018, the Company had various property and casualty insurance coverages provided by XL Catlin that will be terminated by December 31, 2018. In addition, the Company ceded disability income business to XL Catlin. As of September 30, 2018, the reserves ceded were $92 million.	11) RELATED PARTY TRANSACTIONS In the normal course of business, the Company enters into various transactions with affiliated companies. Parties are considered to be related if one party has the ability to control or exercise significant influence over the other party in making financial or operating decisions. At December 31, 2017 2016 (in millions) Loans to Affiliates: Loans to AXA 2007 Senior Unsecured Note, 5.7%, due 2020 $ 700 $ 700 2008 Senior Unsecured Note, 5.4%, due 2020 200 201 Unsecured Loan to AXA IM Holding US, 3 month LIBOR +1.5%, due 2025 185 185 Unsecured Loan to Colisée Re. 4.75%, due 2028 145 145 Unsecured Loan to AXA Technology Services SAS, 2.0%, due 2017 — 10 Unsecured Loan to AXA Technology Services Mexico SA, 2.0%, due 2017 — 2 Unsecured Loan to PT AXA Technology Services Asia Indonesia, 6.0%, due 2028 — 3 Total Loans to Affiliates $ 1,230 $ 1,246 Loans to Affiliates In December 2008, AXA received a $500 million term loan from AXA Financial. In December 2014, AXA repaid $300 million on this term loan to AXA Financial plus accrued interest. This term loan has an interest rate of 5.4% payable semi-annually with a maturity date of December 15, 2020. As of December 31, 2017 there was an outstanding balance of $200 million on this term loan. In December 2015, AXA IM Holding US received a $185 million 3 month LIBOR plus 1.5% unsecured loan from AXA Financial. The loan pays interest quarterly and is scheduled to mature on December 10, 2025. In December 2013, Colisée Re received a $145 million 4.75% loan from Holdings. The loan is scheduled to mature on December 19, 2028. In September 2016, AXA Technology Services SAS received a $12 million 2.0% unsecured loan from AXA Tech. $2 million of this loan was repaid in December 2016, $5 million was repaid in January 2017 and the remainder of the loan was repaid on March 27, 2017. In June 2016, AXA Technology Services Mexico SA received a $2 million 2.0% unsecured loan from AXA Tech. The loan was repaid on January 3, 2017. In October 2016, PT AXA Technology Services Asia Indonesia received a $3 million 6.0% unsecured loan from AXA Tech. The loan is scheduled to mature on October 3, 2022. On December 31, 2017, this unsecured loan to PT AXA Technology Services Asia Indonesia was transferred from AXA Tech to AXA US Holdings, Inc. At December 31, 2017 2016 (in millions) Loans from Affiliates: AXA S.A. term loan, 3 month LIBOR +1.06%, due 2024 $ 1,007 $ 1,007 AXA Japan Subordinated Notes, floating rate of LIBOR +1.20%, due 2020 770 770 AXA Belgium €300 million EURIBOR +0.06%, due 2018 391 391 AXA S.A. loan, LIBOR + 1.44%, due 2022 366 366 Coliseum Reinsurance Company, 4.75%, due 2028 387 387 AXA America Corporate Solutions, Inc., 1.85%, due 2018 110 56 Foreign Exchange impact of AXA Belgium loan (31 ) (73 ) AXA S.A. loan, LIBOR + 0.439%, due 2018 622 — Total Loans From Affiliates $ 3,622 $ 2,904 Loans from Affiliates In March 2010, AXA Financial issued Subordinated Notes to AXA Life Insurance Company Ltd., in the amount of $770 million. The Subordinated Notes have a maturity date of March 30, 2020 and a floating interest rate of LIBOR plus 1.20%, which resets semiannually on March 30 and September 30. The 2017, 2016 and 2015 interest cost related to the Subordinated Notes totaled approximately $19 million, $16 million and $12 million, respectively. In October 2012, AXA Financial issued a note denominated in Euros in the amount of €300 million or $391 million to AXA Belgium S.A. (“AXA Belgium”). This note had an interest rate of Europe Interbank Offered Rate (“EURIBOR”) plus 1.15% and a maturity date of October 23, 2017. Concurrently, AXA Financial entered into a swap with AXA, covering the exchange rate on both the interest and principal payments related to this note. The interest rate on the swap was 6-month 1-month The following loans were repaid in 2016: • In December 2015, AXA Financial received a $300 million, 1-month • In January 2016, AXA Financial pre-paid pre-payment, • In January 2016, AXA Tech repaid a $4 million 12-month In 2015, AXA America Holdings, Inc. received a $366 million, 3-month In 2013, Holdings received $242 million and $145 million loans from Coliseum Reinsurance Company. The loans have maturity dates in December 2028. The balance at December 31, 2017 and 2016 was $387 million. The 2017, 2016 and 2015 interest cost related to these loans totaled approximately $18 million each year. In 2017, Holdings repaid a $56 million 1.39% loan from AXA America Corporate Solutions, Inc. (“AXA CS”) originally made in 2015. The 2017, 2016, and 2015 interest cost related to the loan was approximately $2 million, $1 million, and $1 million, respectively. In 2017, Holdings received a $100 million loan and a $10 million loan from AXA CS. The loans have interest rates of 1.86% and 1.76%, respectively, and mature on February 5, 2018. In December 2017, Holdings received a $622 million, 3-month Credit Facilities Cost sharing and service agreements In addition to the above, AXA allocates a portion of its corporate overhead expenses to the Company. Expenses associated with overhead costs were $35 million, $26 million and $24 million, in 2017, 2016 and 2015, respectively. Investment management and service expenses sub-advisory Guarantees and Credit Facility Investment management and service fees The table below summarizes the expenses reimbursed to/from the Company and the fees received/paid by the Company in connection with agreements with AXA Affiliates described above for 2017, 2016 and 2015. Years ended December 31, 2017 2016 2015 (in millions) Expenses paid or accrued for General services provided by AXA Affiliates $ 141 $ 118 $ 96 Investment management services provided by AXA IM, AXA REIM, and AXA Rosenberg 5 15 2 Investment management services provided by AXA Strategic Ventures Corporation (“ASV Corp”) 2 2 — Guarantees and credit facility 9 12 12 Total $ 157 $ 147 $ 110 Revenue received or accrued for Investment management and administrative services provided to EQAT, VIP Trust, 1290 Funds and Other AXA Trusts $ 720 $ 674 $ 707 General services provided to AXA Affiliates 27 29 25 Total $ 747 $ 703 $ 732 Insurance related transactions. Reinsurance Assumed AXA Global Life retrocedes a quota share portion of certain life and health risks of various AXA affiliates to AXA Equitable Life and MLOA on a one-year Premiums earned in 2017, 2016 and 2015 were $8 million, $9 million and $8 million, respectively. Claims and expenses paid in 2017, 2016 and 2015 were $2 million, $2 million, and $2 million, respectively. Reinsurance Ceded AXA Equitable Life has entered into a stop loss reinsurance agreement with AXA Global Life to protect AXA Equitable Life with respect to a deterioration in its claim experience following the occurrence of an extreme mortality event. AXA Equitable Life has accepted certain retrocession policies through reinsurance agreements with various reinsurers. AXA Equitable Life retrocedes to AXA Global Life the excess of its first retention layer. Certain of our subsidiaries have entered into a Life Catastrophe Excess of Loss Reinsurance Agreement with a number of subscribing reinsurers, including AXA Global Life. AXA Global Life participates in 5% of the pool, pro-rata, Premiums and expenses paid for the above agreements in 2017, 2016 and 2015 were $4 million, $4 million, and $4 million, respectively. Investment management and service fees Years ended December 31, 2017 2016 2015 (in millions) Investment management and services fees $ 1,148 $ 999 $ 1,056 Distribution revenues 398 372 415 Other revenues - shareholder servicing fees 73 76 85 Other revenues - other 7 6 5 Total $ 1,626 $ 1,453 $ 1,561 Other Transactions In 2016, AXA Financial invested in ASV Capital B FPCI, a French Professional Private Equity Fund managed by AXA Strategic Ventures SAS. As of December 31, 2017 and 2016, the fair value of the investment in the fund was $7 million and $5 million, respectively. AXA RE Arizona currently benefits from a $1.5 billion revolving credit facility with AXA that is scheduled to terminate in November 2019. For the years ended December 31, 2017, 2016 and 2015, fees associated with this facility were $1 million, $5 million, and $5 million, respectively. Pursuant to a sub-licensing In September 2017, AXA Equitable FMG made a 30 million euro capital commitment to ASV Diversified, a French Special Limited Partnership investing in venture funds specialized in both early stage and growth startups with new technologies and business models relevant to AXA’s business. This fund is managed by AXA Strategic Ventures SAS. As of December 31, 2017, 0.5 million euro in capital had been called. In December 2017, AXA Tech paid approximately $18 million to AXA US Holdings Inc., a U.S. subsidiary of AXA, which is not a subsidiary of Holdings, in exchange for AXA US Holdings Inc. assuming certain liabilities pertaining to its servicing of AXA companies within the United States not included in the scope of this offering and in Latin America valued at approximately $18 million, including costs and expenses associated with providing infrastructure services to AXA and its subsidiaries. In the third and fourth quarters of 2017, AEH purchased 2.3 million AB Holdings Units from the former CEO of AB for $55 million in cash, pursuant to a Unit Purchase Agreement, thereby increasing the Company’s economic ownership interest in AB by approximately 0.85%.

EMPLOYEE BENEFIT PLANS

EMPLOYEE BENEFIT PLANS	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
EMPLOYEE BENEFIT PLANS	EMPLOYEE BENEFIT PLANS AXA Financial and AXA Equitable Life Plans AXA Equitable Life sponsors the AXA Equitable 401(k) Plan, a qualified defined contribution plan for eligible employees and financial professionals. The plan provides for both a company contribution and a discretionary profit-sharing contribution. Expenses associated with this 401(k) Plan were $6 million , $21 million , $6 million and $19 million in the three and nine months ended September 30, 2018 and 2017 , respectively. Through September 30, 2018, AXA Financial sponsored the MONY Life Retirement Income Security Plan for Employees and AXA Equitable Life sponsors the AXA Equitable Retirement Plan (the “AXA Equitable Life QP”), both of which are frozen qualified defined benefit plans covering eligible employees and financial professionals. On October 1, 2018, AXA Financial merged with and into its direct parent, Holdings, with Holdings continuing as the surviving entity. See Note 20 for further discussion. On March 13, 2018, the Company signed a binding agreement with a third party insurer to purchase two single premium, non-participating group annuity contracts with the intent of settling certain retiree liabilities under the MONY Life Retirement Income Security Plan for Employees and the AXA Equitable Life QP. Payment of the preliminary contribution amounts for the group annuity contracts was funded from plan assets on March 20, 2018, securing the third party insurer’s irrevocable assumption of certain benefits obligations and commitment to issue the group annuity contracts. The annuity purchase transaction and consequent transfer of approximately $254 million of the plans’ obligations to retirees or 10% of the aggregate pension benefit obligations resulted in a partial settlement of the plans. Following remeasurement of the plans’ assets and obligations on March 20, 2018, as required in the event of an accounting settlement, the Company recognized a pre-tax settlement loss of approximately $100 million , largely attributable to recognition of a pro rata portion of the plans’ unamortized net actuarial losses accumulated in other comprehensive income. In the third quarter of 2018, routine lump-sum distributions totaling $12 million made from the AXA Equitable Life QP and the MONY Life Retirement Income Security Plan for Employees resulted in the Company’s recognition of a pre-tax settlement loss of $4 million following remeasurement of the plans’ assets and obligations at September 30, 2018 . AB AB maintains the Profit Sharing Plan for Employees of AB, a tax-qualified profit sharing plan for U.S. employees. Employer contributions under this plan are discretionary and generally are limited to the amount deductible for Federal income tax purposes. AB also maintains a qualified, non-contributory, defined benefit retirement plan covering current and former employees who were employed by AB in the United States prior to October 2, 2000 (the “AB Plan”). In the nine months ended September 30, 2018 , a $5 million cash contribution was made by AB to the AB Plan. Based on the funded status of the AB plan at September 30, 2018 , no minimum contribution is required to be made in 2018 under the Employee Retirement Income Security Act of 1974 (“ERISA”), as amended by the Pension Protection Act of 2006 (the “Pension Act”). Components of certain benefit costs for the Company were as follows: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net Periodic Pension Expense: (Qualified and Non-qualified Plans) Service cost $ 2 $ 3 $ 6 $ 8 Interest cost 27 25 77 78 Expected return on assets (39 ) (43 ) (123 ) (130 ) Net amortization 24 30 76 94 Partial settlement 5 — 106 — Total $ 19 $ 15 $ 142 $ 50 Net Postretirement Benefits Costs: Service cost $ — $ — $ 1 $ 1 Interest cost 4 4 12 12 Net amortization 3 2 7 5 Total $ 7 $ 6 $ 20 $ 18 Net Postemployment Benefits Costs: Service cost $ — $ — $ 1 $ 1 Interest cost — — — — Net amortization — (1 ) — (1 ) Total $ — $ (1 ) $ 1 $ —	12) EMPLOYEE BENEFIT PLANS Pension Plans AXA Financial and AXA Equitable Life Retirement Plans AXA Equitable Life sponsors the AXA Equitable 401(k) Plan, a qualified defined contribution plan for eligible employees and financial professionals. The plan provides for both a company contribution and a discretionary profit-sharing contribution. Expenses associated with this 401(k) Plan were $28 million, $28 million and $27 million in 2017, 2016 and 2015, respectively. AXA Financial sponsors the MONY Life Retirement Income Security Plan for Employees and AXA Equitable Life sponsors the AXA Equitable Retirement Plan (the “AXA Equitable Life QP”), both of which are qualified defined benefit plans covering eligible employees and financial professionals. These pension plans are non-contributory AXA Financial and AXA Equitable Life use a December 31 measurement date for their pension plans. AB Retirement Plans AB maintains the Profit Sharing Plan for Employees of AB, a tax-qualified AB also maintains a qualified, non-contributory, AB uses a December 31 measurement date for the AB Plan. Contributions and Funding Policy The Company’s funding policy for its qualified pension plans is to satisfy its funding obligations each year in an amount not less than the minimum required by the Employee Retirement Income Security Act of 1974 (“ERISA”), as amended by the Pension Protection Act of 2006 (the “Pension Act”), and not greater than the maximum the Company can deduct for federal income tax purposes. For 2016, no cash contributions were made by AXA Financial, AXA Equitable Life and AB to their respective qualified pension plans. Based on the funded status of the plans at December 31, 2016, AB contributed $4 million to the AB Plan during 2017. AB currently estimates that it will contribute $5 million to the AB Plan during 2018. No minimum funding contributions under ERISA are required to be made to the AXA Financial and AXA Equitable Life plans, and management does not expect to make any discretionary contributions to those plans during 2018. Net Periodic Pension Expense Components of net periodic pension expense for the Company’s qualified and non-qualified Years Ended December 31, 2017 2016 2015 (in millions) Service cost $ 10 $ 11 $ 10 Interest cost 105 108 127 Expected return on assets (173 ) (177 ) (174 ) Actuarial (gain) loss 1 1 1 Net amortization 126 133 122 Net Periodic Pension Expense $ 69 $ 76 $ 86 Changes in Projected Benefit Obligation (“PBO”) Changes in the PBO of the Company’s qualified and non-qualified December 31, 2017 2016 (in millions) Projected benefit obligation, beginning of year $ 3,442 $ 3,497 Service cost — — Interest cost 105 108 Actuarial (gains) losses 144 72 Benefits paid (236 ) (235 ) Plan amendments and curtailments — — Projected Benefit Obligation, end of year $ 3,455 $ 3,442 The following table discloses the change in plan assets and the funded status of the Company’s qualified pension plans and non-qualified December 31, 2017 2016 (in millions) Pension plan assets at fair value, beginning of year $ 2,679 $ 2,709 Actual return on plan assets 357 174 Contributions 4 — Benefits paid and fees (201 ) (204 ) Pension plan assets at fair value, end of year 2,839 2,679 PBO 3,455 3,442 Excess of PBO Over Pension Plan Assets, End of Year $ (616 ) $ (763 ) Accrued pension costs of $(616) million and $(763) million at December 31, 2017 and 2016, respectively, were recognized in the accompanying consolidated balance sheets to reflect the funded status of these plans. The aggregate PBO/accumulated benefit obligation (“ABO”) and fair value of pension plan assets for plans with PBOs/ABOs in excess of their assets were $3,455 million and $2,839 million, respectively, at December 31, 2017 and $3,442 million and $2,679 million, respectively, at December 31, 2016. Unrecognized Net Actuarial (Gain) Loss The following table discloses the amounts included in AOCI at December 31, 2017 and 2016 that have not yet been recognized as components of net periodic pension cost. December 31, 2017 2016 (in millions) Unrecognized net actuarial (gain) loss $ 1,315 $ 1,482 Unrecognized prior service cost (credit) 1 1 Total $ 1,316 $ 1,483 The estimated net actuarial (gain) loss and prior service cost (credit) expected to be reclassified from AOCI and recognized as components of net periodic pension cost over the next year are approximately $119 million and $24 thousand, respectively. Pension Plan Assets The fair values of qualified pension plan assets are measured and ascribed to levels within the fair value hierarchy in a manner consistent with the fair values of the Company’s invested assets that are measured at fair value on a recurring basis. See Note 2 for a description of the fair value hierarchy. The following table discloses the allocation of the fair value of total qualified pension plan assets at December 31, 2017 and 2016: December 31, 2017 2016 Fixed Maturities 46.2 % 47.4 % Equity Securities 33.9 34.2 Equity real estate 13.9 13.7 Cash and short-term investments 1.4 1.5 Other 4.6 3.2 Total 100.0 % 100.0 % Qualified pension plan assets are invested with the primary objective of return, giving consideration to prudent risk. Guidelines regarding the allocation of plan assets are established by the respective Investment Committees for the plans and are designed with a long-term investment horizon. At December 31, 2017, the qualified pension plans continued their investment allocation strategy to target a 50%-50% The following tables disclose the fair values of qualified pension plan assets and their level of observability within the fair value hierarchy at December 31, 2017 and 2016, respectively. December 31, 2017: Level 1 Level 2 Level 3 Total (in millions) Fixed Maturities Corporate $ — $ 792 $ 2 $ 794 U.S. Treasury, government and agency — 471 — 471 States and political subdivisions — 26 — 26 Foreign governments — 5 — 5 Commercial mortgage-backed — — 1 1 Asset-backed — — — — Other structured debt — — — — Common and preferred equity 730 98 — 828 Mutual funds 99 — — 99 Commercial Papers — 44 — 44 Private real estate investment trusts 2 — — 2 Cash and cash equivalents 12 — — 12 Short-term investments — 27 — 27 Other Equity Investments — — — — Other — — — — Total assets in the fair value hierarchy 843 1,463 3 2,309 Investments measured at net assets value — — — 530 Investments at fair value $ 843 $ 1,463 $ 3 $ 2,839 December 31, 2016: Fixed Maturities: Corporate $ — $ 820 $ 1 $ 821 U.S. Treasury, government and agency — 395 — 395 States and political subdivisions — 26 — 26 Foreign governments — 4 — 4 Commercial mortgage-backed — — 2 2 Asset-backed — — 1 1 Other structured debt — — 1 1 Common and preferred equity 738 95 — 833 Mutual funds 92 — — 92 Commercial Paper — 7 — 7 Private real estate investment trusts 3 — — 3 Cash and cash equivalents 22 — — 22 Short-term investments — 20 — 20 Other Equity Investments — — — Other — — — — Total assets in the fair value hierarchy 855 1,367 5 2,227 Investments measured at net assets value — — — 452 Investments at fair value $ 855 $ 1,367 $ 5 $ 2,679 The following table lists investments for which net asset value (“NAV”) is calculated; NAV is used as a practical expedient to determine the fair value of these investments at December 31, 2017; Practical Expedient disclosure as of December 31, 2017 Investment Fair Redemption (If currently eligible) Redemption Unfunded (in millions) Private Equity Fund $ 49 n/a (1)(2) n/a $ 29 Private Real Estate Investment Trust 376 Quarterly One Quarter — Hedge Fund 83 Calendar Quarters* Previous Quarter End $ 34 Total $ 508 *March, June, September, December (1) Cannot sell or transfer ownership interest without prior written consent to transfer, and by meeting several criteria (e.g., does not adversely affect other investors). (2) Cannot sell interest in the vehicle without prior written consent of the managing member. Practical Expedient disclosure as of December 31, 2016 Investment Fair Redemption (If currently eligible) Redemption Unfunded (in millions) Private Equity Fund $ 25 n/a (1)(2) n/a $ 65 Private Real Estate Investment Trust 349 Quarterly One Quarter — Hedge Fund 60 Calendar Quarters* Previous Quarter End $ 42 Total $ 434 *March, June, September, December (1) Cannot sell or transfer ownership interest without prior written consent to transfer, and by meeting several criteria (e.g., does not adversely affect other investors). (2) Cannot sell interest in the vehicle without prior written consent of the managing member. The table below presents a reconciliation for all Level 3 fair values of qualified pension plan assets at December 31, 2017, 2016 and 2015, respectively: Level 3 Instruments Fair Value Measurements Private Real Other Fixed Total (in millions) Balance, January 1, 2017 $ — $ — $ 5 $ 5 Actual return on plan assets: Relating to assets still held at December 31, 2017 — — — — Relating to assets sold during 2017 — — — — Purchases/Issues — — — — Sales/Settlements — — (2 ) (2 ) Transfers into/out of Level 3 — — — — Balance, December 31, 2017 $ — $ — $ 3 $ 3 Balance, January 1, 2016 $ — $ — $ 8 $ 8 Actual return on plan assets: Relating to assets still held at December 31, 2016 — — — — Relating to assets sold during 2016 — — — — Purchases/Issues — — — — Sales/Settlements — — (1 ) (1 ) Transfers into/out of Level 3 — — (2 ) (2 ) Balance, December 31, 2016 $ — $ — $ 5 $ 5 Balance, January 1, 2015 $ — $ — $ 10 $ 10 Actual return on plan assets: Relating to assets still held at December 31, 2015 — — — — Relating to assets sold during 2015 — — — — Purchases/Issues — — — — Sales/Settlements — — (1 ) (1 ) Transfers into/out of Level 3 — — (1 ) (1 ) Balance, December 31, 2015 $ — $ — $ 8 $ 8 At December 31, 2017, assets classified as Level 1, Level 2 and Level 3 comprise approximately 29.7%, 51.5% and 0.1%, respectively, of qualified pension plan assets. At December 31, 2016, assets classified as Level 1, Level 2 and Level 3 comprised approximately 31.9%, 51.0% and 0.2%, respectively, of qualified pension plan assets. There are no significant concentrations of credit risk arising within or across categories of qualified pension plan assets. Assumptions Discount Rate The benefits obligations and related net periodic costs of the Company’s qualified and non-qualified Above-Median-AA At December 31, 2015, the Company refined its calculation of the discount rate to use the discrete single equivalent discount rate for each plan as compared to its previous use of an aggregate, weighted average practical expedient. Use of the discrete approach at December 31, 2015 produced a discount rate for the AXA Equitable Life QP of 3.98% as compared to a 4% aggregate rate, thereby increasing the net unfunded PBO of the AXA Equitable Life QP by approximately $4 million in 2015. Use of the discrete approach at December 31, 2015 produced a discount rate for the AXA Equitable Excess Retirement Plan of 3.86% as compared to a 4.00% aggregate rate, thereby increasing the net unfunded PBO of that plan by approximately $5 million in 2015. Mortality At December 31, 2015, the Company concluded to change the mortality projection scale used to measure and report the Company’s defined benefit plan obligations from 125% Scale AA to Scale BB, representing a reasonable “fit” to the results of the plans’ mortality experience study and a closer alignment to current thinking with respect to projections of mortality improvements. In October 2016, the Society of Actuaries (“SOA”) released MP-2016, (MP-2015), MP-2016 MP-2015 MP-2014. RP-2000 Interest Cost Beginning January 1, 2016, the Company adopted a spot rate/full yield curve approach for measuring the interest cost component of expense for each of its defined benefit plans, thereby reducing 2016 benefits expense by approximately $76 million. The following table discloses assumptions used to measure the Company’s pension benefit obligations and net periodic pension cost at and for the years ended December 31, 2017 and 2016. December 31, 2017 2016 Discount rates: AXA Equitable Life QP 3.4 % 3.81 % AXA Equitable Excess Retirement Plan 3.32 % 3.69 % MONY Life Retirement Income Security Plan for Employees 3.5 % 3.98 % AB Qualified Retirement Plan 4.55 % 4.75 % Other defined benefit plans 3.00%-3.43 % 3.17%-3.86 % Periodic cost 3.17%-3.98 % 3.29%-4.18 % Rates of compensation increase: Benefit obligation 5.99 % 5.99 % Periodic cost 6.38 % 6.43 % Expected long-term rates of return on pension plan assets (periodic cost) 6.75 % 6.75 % The expected long-term rate of return assumption on plan assets is based upon the target asset allocation of the plan portfolio and is determined using forward-looking assumptions in the context of historical returns and volatilities for each asset class. Prior to 1987, participants’ benefits under the AXA Equitable Life QP were funded through the purchase of non-participating Post-Retirement Benefits The Company eliminated any subsidy for post-retirement medical and dental coverage for individuals retiring on or after May 1, 2012. The Company continues to contribute to the cost of post-retirement medical and dental coverage for certain individuals who retired prior to May 1, 2012 based on years of service and age, subject to rights reserved in the plans to change or eliminate these benefits. The Company funds these post-retirement benefits on a pay-as-you-go The Company sponsors the AXA Equitable Executive Survivor Benefits Plan (the “ESB Plan”) which provides post-retirement life insurance benefits to eligible executives. Eligible executives may choose up to four levels of coverage with each level providing a benefit equal to one times the executive’s compensation, subject to an overall $25 million cap. Aside from the ESB Plan, the Company does not currently offer post-retirement life insurance benefits but continues to provide post-retirement life insurance benefits to certain active and retired employees who were eligible for such benefits under discontinued plans. For 2017 and 2016, post-retirement benefits payments were $37.1 million and $37 million, respectively, net of employee contributions. The Company uses a December 31 measurement date for its post-retirement plans. Components of net post-retirement benefits costs follow: Years Ended December 31, 2017 2016 2015 (in millions) Service cost $ 2 $ 2 $ 2 Interest cost 16 16 20 Net amortization 6 7 10 Net Periodic Post-Retirement Benefits Costs $ 24 $ 25 $ 32 Changes in the accumulated benefits obligation of the Company’s post-retirement plans recognized in the accompanying consolidated financial statements are described in the following table: December 31, 2017 2016 (in millions) Accumulated post-retirement benefits obligation, beginning of year $ 539 $ 541 Service cost 2 2 Interest cost 16 17 Contributions and benefits paid (38 ) (37 ) Plan amendments/curtailments — — Medicare Part D subsidy — — Actuarial (gains) losses 18 16 Accumulated Post-Retirement Benefits Obligation, end of year $ 537 $ 539 The post-retirement medical plan obligations of the Company are offset by an anticipated subsidy from Medicare Part D, which is assumed to increase with the healthcare cost trend. If the healthcare cost trend rate assumption was increased by 1.0%, the accumulated post-retirement benefits obligation and the sum of service and interest cost as of December 31, 2017 would increase by $339 thousand. If the healthcare cost trend rate assumption was decreased by 1.0%, the accumulated post-retirement benefits obligation and the sum of service and interest cost as of December 31, 2017 would decrease by $293 thousand. The following table discloses the amounts included in AOCI at December 31, 2017 and 2016 that have not yet been recognized as components of net periodic post-retirement benefits cost: December 31, 2017 2016 (in millions) Unrecognized net actuarial (gains) losses $ 143 $ 132 Unrecognized prior service (credit) — — Total $ 143 $ 132 The estimated net actuarial (gains) losses and prior service (credit) expected to be reclassified from AOCI and recognized as components of net periodic post-retirement benefit cost over the next year are $8 million and $7 million, respectively. The assumed discount rates for measuring the post-retirement benefit obligations at December 31, 2017 and 2016 were determined in substantially the same manner as described above for measuring the pension benefit obligations. The following table discloses the range of discrete single equivalent discount rates for each of the post-retirement plans at December 31, 2015 as compared to previous use of an aggregate, weighted average practical expedient, and related net periodic cost at and for the years ended December 31, 2017 and 2016. December 31, 2017 2016 Discount rates: Benefit obligation 2.80%-3.52% 2.86%-4.01% Periodic cost 3.17%-3.98% 3.29%-4.18% The Company provides post-employment medical and life insurance coverage for certain disabled former employees. The accrued liabilities for these post-employment benefits were $11 million and $13 million, respectively, at December 31, 2017 and 2016. Components of net post-employment benefits costs follow: Years Ended December 31, 2017 2016 2015 (in millions) Service cost $ 2 $ 2 $ 2 Interest cost — — — Net amortization (2 ) — (16 ) Net Periodic Post-Employment Benefits Costs $ — $ 2 $ (14 ) The following table provides an estimate of future benefits expected to be paid in each of the next five years, beginning January 1, 2018, and in the aggregate for the five years thereafter. These estimates are based on the same assumptions used to measure the respective benefit obligations at December 31, 2017 and include benefits attributable to estimated future employee service. Postretirement Benefits Health Pension Benefits Life Insurance Gross Estimate Payment Estimated Medicare Part D Subsidy Net Payment (in millions) 2018 $ 243 $ 27 $ 18 $ 4 $ 14 2019 247 27 16 4 12 2020 240 26 15 4 11 2021 236 26 14 4 10 2022 232 25 13 4 9 Years 2023-2027 1,069 119 53 17 36

SHARE-BASED AND OTHER COMPENSAT

SHARE-BASED AND OTHER COMPENSATION PROGRAMS	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
SHARE-BASED AND OTHER COMPENSATION PROGRAMS	SHARE-BASED COMPENSATION PROGRAMS AXA and Holdings sponsor various share-based compensation plans for eligible employees, financial professionals and non-officer directors of the Company. AB also sponsors its own equity compensation plan for certain of its employees. Compensation costs for the three and nine months ended September 30, 2018 and 2017 for share-based payment arrangements as further described herein are as follows: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Performance Shares (1) $ 9.7 $ 8.9 $ 14.1 $ 42.9 Stock Options 0.9 0.4 1.4 1.2 Restricted Stock Unit Awards (2) 19.5 5.6 29.6 26.9 Other Compensation Plans (3) 0.9 2.0 2.4 2.4 Total Compensation Expenses $ 31.0 $ 16.9 $ 47.5 $ 73.4 ________________ (1) Reflects change to performance share retirement rules. Specifically, individuals who retire at any time after the grant date will continue to vest in their 2017 performance shares while individuals who retire prior to March 1, 2019 will forfeit all 2018 performance shares. (2) Reflects a $10.9 million adjustment for awards with graded vesting, service-only conditions from the graded to the straight-line attribution method. (3) Includes Stock Appreciation Rights and Employee Stock Purchase Plans. Awards Linked to Holdings’ Common Stock As described below, Holdings made various grants of equity awards linked to the value of Holdings’ common stock in the second quarter of 2018. For awards with graded vesting schedules and service-only vesting conditions, including Holdings restricted stock units (“Holdings RSUs”) and other forms of share-based payment awards, the Company applies a straight-line expense attribution policy for the recognition of compensation cost. Estimated and/or actual forfeitures with respect to the 2018 grants were considered immaterial in the recognition of compensation cost for the third quarter of 2018. Holdings adopted the AXA Equitable Holdings, Inc. 2018 Omnibus Incentive Plan (the “Omnibus Plan”) on April 25, 2018. All grants discussed in this section were made under this Omnibus Plan with the exception of the Holdings RSUs granted to financial professionals. Also, all grants discussed in the section will be settled in shares of Holdings’ common stock except for the RSUs granted to financial professionals which will be settled in cash. As of September 30, 2018 , the common stock reserved and available for issuance under the Omnibus Plan was 5.9 million shares. Restricted Stock Units In May 2018, Holdings made several grants of Holdings RSUs. The market price of a Holdings’ share is used as the basis for the fair value measure of a Holdings RSU. For purposes of determining compensation cost for stock-settled Holdings RSUs, fair value is fixed at the grant date until settlement, absent modification to the terms of the award. For liability-classified cash-settled Holdings RSUs, fair value is remeasured at the end of each reporting period. If Holdings pays any ordinary dividend in cash, all outstanding Holdings RSUs will accrue dividend equivalents in the form of additional Holdings RSUs to be settled or forfeited consistent with the terms of the related award. Transaction Incentive Awards On May 9, 2018, coincident with the IPO, Holdings granted one-time “Transaction Incentive Awards” to executive officers and certain other employees in the form of 0.7 million Holdings RSUs. Fifty percent of the Holdings RSUs will vest based on service over a two year period from the IPO date (the “Service Units”), and fifty percent will vest based on service and a market condition (the “Performance Units”). The market condition is based on share price growth of at least 130% or 150% within a two or five-year period, respectively. If the market condition is not achieved, 50% of the Performance Units may still vest based on five years of continued service and the remaining Performance Units will be forfeited. The $7.2 million aggregate grant-date fair value of the 0.4 million Service Units was measured at the $20 IPO price of a Holdings’ share and will be charged to compensation expense over the stated requisite service periods. The grant-date fair value of half of the Performance Units, or 0.2 million Holdings RSUs, was also measured at the $20 IPO price for a Holdings’ share as employees are still able to vest in these awards even if the share price growth targets are not achieved. The resulting $3.6 million for these awards will be charged to compensation expense over the five-year requisite service period. The grant-date fair value of $16.47 was used to value the remaining half of the Performance Units that are subject to risk of forfeiture for non-achievement of the Holdings’ share price conditions. The grant date fair value was measured using a Monte Carlo simulation from which a five-year requisite service period was derived, representing the median of the distribution of stock price paths on which the market condition is satisfied, over which the total $3.0 million compensation expense will be recognized. In the third quarter of 2018, the Company recognized compensation expense associated with the Transaction Incentive Awards of approximately $2.6 million . Employee Awards Also on May 9, 2018, Holdings made an employee grant of 0.4 million Holdings RSUs, or 50 restricted stock units to each eligible individual, that cliff vest on November 9, 2018. The grant-date fair value of the award was measured using the $20 IPO price for a Holdings’ share and the resulting $7.1 million will be recognized as compensation expense over the six-month service period. In the third quarter of 2018, the Company recognized expense associated with the employee award of approximately $2.4 million . 2018 Annual Awards On May 17, 2018, Holdings granted 1.3 million Holdings RSUs to employees that vest ratably in equal annual installments over a three-year period on each of the first three anniversaries of March 1, 2018. The fair value of the award was measured using the $21.68 closing price of the Holdings’ share on the grant date, and the resulting $27.4 million will be recognized as compensation expense over the shorter of the vesting term or the period up to the date at which the participant becomes retirement eligible but not prior to March 1, 2019. Similarly, on May 17, 2018, the Company granted an award of 0.5 million cash-settled Holdings RSUs to certain eligible financial professionals that vest ratably in equal installments over a three-year period on each of the first three anniversaries of March 1, 2018. The cash payment for each RSU will equal the average closing price for a Holdings’ share on the NYSE over the 20 trading days immediately preceding the vesting date. These awards are liability-classified and require fair value remeasurement based upon the price of a Holdings’ share at the close of each reporting period. In the third quarter of 2018, the Company recognized expense associated with the annual awards of approximately $2.5 million . Performance Shares Also on May 17, 2018, Holdings approved a grant of 0.4 million unearned Performance Shares to employees, subject to performance conditions and a cliff-vesting term ending March 1, 2021. If Holdings pays any ordinary dividend, outstanding Performance Shares will accrue dividend equivalents in the form of additional Performance Shares to be settled or forfeited consistent with the terms of the related award. The Performance Shares consist of two distinct tranches; one based on the Holdings’ return-on-equity targets (the “ROE Performance Shares”) and the other based on the Company’s relative total shareholder return targets (the “TSR Performance Shares”), each comprising approximately one-half of the award. Participants may receive from 0% to 200% of unearned Performance Shares granted. The grant-date fair value of the ROE Performance Shares will be established once the 2019 and 2020 Non-GAAP ROE target are determined and approved. The grant-date fair value of the TSR Performance Shares was measured at $23.17 using a Monte Carlo approach. Under the Monte Carlo approach, stock returns were simulated for Holdings and the selected peer companies to estimate the payout percentages established by the conditions of the award. The resulting $4.8 million aggregate grant-date fair value of the unearned TSR Performance Shares will be recognized as compensation expense over the shorter of the cliff-vesting period or the period up to the date at which the participant becomes retirement eligible but not prior to March 1, 2019. In the third quarter of 2018, the Company recognized expense associated with the TSR Performance Share awards of approximately $1.1 million . Stock Options On June 11, 2018, Holdings awarded 1.0 million stock options to employees. These options expire on March 1, 2028 and have a three-year graded vesting schedule, with one-third vesting on each of the three anniversaries of March 1, 2018. The exercise price for the options is $21.34 , which was the closing price of a Holdings’ share on the grant date. The weighted average grant date fair value per option was estimated at $4.61 using a Black-Scholes options pricing model. Key assumptions used in the valuation included expected volatility of 25.4% based on historical selected peer data, a weighted average expected term of 5.7 years as determined by the simplified method, an expected dividend yield of 2.44% based on Holdings’ expected annualized dividend, and a risk-free interest rate of 2.83% . The total fair value of these options of approximately $4.8 million will be charged to expense over the shorter of the vesting period or the period up to the date at which the participant becomes retirement eligible but not prior to March 1, 2019. In the third quarter of 2018, the Company recognized expense associated with the June 11, 2018 option grant of approximately $0.9 million . Director Awards On May 17, 2018, Holdings awarded 0.03 million unrestricted Holdings’ shares to non-officer directors of Holdings, AXA Equitable Life, and MLOA under the Omnibus Plan. The fair value of these awards was measured using the $21.68 closing price of Holdings’ shares on the grant date. As these awards were immediately vested, their aggregate fair value of $0.6 million was recognized as compensation expense in the second quarter of 2018. Funding of Awards The Company used common stock held in Treasury to fund the delivery of the 0.03 million unrestricted shares granted to the non-officer directors in the second quarter of 2018. Holdings may issue new shares or use common stock held in Treasury for the other outstanding awards linked to Holdings’ common stock. Equity Awards Linked to AXA Ordinary Shares Grants O n February 15, 2018, AXA Financial granted restricted AXA ordinary shares to non-officer directors of AXA Financial, AXA Equitable Life, and MLOA with a three-year vesting period under the Equity Plan for Directors. Settlement/Payouts On March 26, 2018, share distributions totaling approximately $21 million were made to active and former employees in settlement of 0.8 million P erformance Shares earned under the terms of the AXA Performance Share Plan 2014 . On April 6, 2018, cash distributions of approximately $6 million were made to active and former financial professionals in settlement of 0.2 million Performance Units earned under the terms of the AXA Advisor Performance Unit Plan 2014 . AB Long-term Incentive Compensation Plans During the three and nine months ended September 30, 2018 , respectively, AB purchased 1.6 million and 2.9 million units, representing assignments of beneficial ownership of limited partnership interests in AB Holding (“AB Holding Units”), for $48 million and $83 million , respectively (on a trade date basis). These amounts reflect open-market purchases of 1.6 million and 2.8 million AB Holding Units for $48 million and $81 million , respectively, with the remainder relating to purchases of AB Holding Units from employees to allow them to fulfill statutory tax withholding requirements at the time of delivery of long-term incentive compensation awards. During the three and nine months ended September 30, 2017 , AB purchased 0.3 million and 5.9 million AB Holding Units for $7 million and $135 million , respectively (on a trade date basis). These amounts reflect open-market purchases of 0.3 million and 5.2 million AB Holding Units for $7 million and $117 million , respectively, with the remainder relating to purchases of AB Holding Units from employees to allow them to fulfill statutory tax withholding requirements at the time of delivery of long-term incentive compensation awards. During the nine months ended September 30, 2018 and 2017 , AB granted to employees and eligible directors 2.5 million and 2.1 million restricted AB Holding Unit awards, respectively. AB used AB Holding Units repurchased during the periods and newly issued AB Holding Units to fund these awards. During the nine months ended September 30, 2018 and 2017 , AB Holding issued 0.6 million and 1.0 million AB Holding Units, respectively, upon exercise of options to buy AB Holding Units. AB Holding used the proceeds of $11 million and $18 million , respectively, received as payment in cash for the exercise price to purchase the equivalent number of newly-issued AB Units.	13) SHARE-BASED AND OTHER COMPENSATION PROGRAMS AXA and the Company sponsor various share-based compensation plans for eligible employees, financial professionals and non-officer Compensation costs for 2017, 2016 and 2015 for share-based payment arrangements as further described herein are as follows: 2017 2016 2015 (in millions) Performance Shares $ 45 $ 37 $ 44 Stock Options (Other than AB stock options) 1 1 1 AXA Shareplan 13 19 20 Restricted Awards 185 154 174 Other Compensation plans(1) 3 2 4 Total Compensation Expenses $ 247 $ 213 $ 243 (1) Other compensation plans include Stock Appreciation Rights, Restricted Stock and AXA Miles. U.S. employees are granted AXA ordinary share options under the Stock Option Plan for AXA Financial Employees and Associates (the “Stock Option Plan”) and are granted AXA performance shares under the AXA International Performance Shares Plan (the “Performance Share Plan”). Prior to 2013, they were granted performance units under AXA’s Performance Unit Plan. Non-officer Performance Units and Performance Shares 2017 Grant. Settlement of 2014 Grant in 2017 2016 Grant Settlement of 2013 Grant in 2016 2015 Grant Settlement of 2012 Grant in 2015 The fair values of awards made under these programs are measured at the grant date by reference to the closing price of the AXA ordinary share, and the result, as adjusted for achievement of performance targets and pre-vesting Stock Options 2017 Grant one-third ten-year 2016 Grant one-third ten-year 2015 Grant with one-third vesting a ten-year term. Shares Authorized There is no limitation in the Stock Option Plan or the Equity Plan for Directors on the number of shares that may be issued pursuant to option or other grants. A summary of the activity in the AXA and the Company’s option plans during 2017 follows: Options Outstanding AXA Ordinary Shares AXA ADRs (2) AB Holding Units Number Weighted Number Weighted Number Weighted Options Outstanding at January 1, 2017 9,536 € 21.02 45 $ 24.90 5,085 $ 49.45 Options granted 488 € 23.92 — $ — — — Options exercised (1,996 ) € 18.02 (2 ) $ 21.35 (1,180 ) $ 17.04 Options forfeited, net — € — — $ — — — Options expired (2,626 ) 33.77 (8 ) 42.62 (823 ) $ 84.96 Options Outstanding at December 31, 2017 5,402 € 17.36 35 $ 20.98 3,082 $ 52.37 Aggregate Intrinsic Value (1) € 39,861 $ 303 — (2) Weighted Average Remaining Contractual Term (in years) 4.2 1.2 1.2 Options Exercisable at December 31, 2017 3,406 € 14.68 35 $ 42.62 3,018 $ 52.97 Aggregate Intrinsic Value (1) € 34,275 $ 303 — Weighted Average Remaining Contractual Term (in years) 2.8 1.2 1.1 (1) Aggregate intrinsic value, presented in thousands, is calculated as the excess of the closing market price on December 31, 2017 of the respective underlying shares over the strike prices of the option awards. (2) AXA ordinary shares will be delivered to participants in lieu of AXA ADRs at exercise or maturity. No stock options were exercised in 2017 and 2016. The intrinsic value related to exercises of stock options during 2015 was approximately $0.2 million, resulting in amounts currently deductible for tax purposes of approximately $0.1 million for the period then ended. In 2015, windfall tax benefits of approximately $0.1 million resulted from exercises of stock option awards. At December 31, 2017, the Company held 22,974 AXA ordinary shares in treasury at a weighted average cost of $23.14 per share, which were designated to fund future exercises of outstanding stock options. For the purpose of estimating the fair value of stock option awards, the Company applies the Black-Scholes model and attributes the result over the requisite service period using the graded-vesting method. A Monte-Carlo simulation approach was used to model the fair value of the conditional vesting feature of the awards of options to purchase AXA ordinary shares. Shown below are the relevant input assumptions used to derive the fair values of options awarded in 2017, 2016 and 2015, respectively. AXA Ordinary Shares AB Holding Units (1) 2017 2016 2015 2017 2016 2015 Dividend yield 6.53 % 6.50 % 6.29 % NA 7.10 % 7.10 % Expected volatility 25.05 % 26.60 % 23.68 % NA 31.00 % 32.10 % Risk-free interest rates 0.59 % 0.33 % 0.92 % NA 1.30 % 1.50 % Expected life in years 8.8 8.1 8.2 NA 6 6 Weighted average fair value per option at grant date $ 2.01 $ 2.06 $ 1.73 NA $ 2.75 $ 4.13 (1) There were no options to buy AB Holding Units awarded during 2017. As such, the input assumptions for 2017 are not applicable. As of December 31, 2017, approximately $1 million of unrecognized compensation cost related to unvested stock option awards, net of estimated pre-vesting AXA Options Valuation AB Holding Unit Options Valuation Restricted Awards Under The Equity Plan for Directors, the Company grants non-officer The Company has also granted restricted AXA ordinary share units (“RSUs”) to certain executives. The RSUs are phantom AXA ordinary shares that, once vested, entitle the recipient to a cash payment based on the average closing price of the AXA ordinary share over the twenty trading days immediately preceding the vesting date. For 2017, 2016 and 2015, respectively, the Company recognized compensation costs of $185 million, $154 million and $174 million for outstanding restricted stock and RSUs. The fair values of awards made under these programs are measured at the grant date by reference to the closing price of the unrestricted shares, and the result generally is attributed over the shorter of the requisite service period, the performance period, if any, or to the date at which retirement eligibility is achieved and subsequent service no longer is required for continued vesting of the award. Remeasurements of fair value for subsequent price changes until settlement are made only for RSUs. At December 31, 2017, approximately 19.1 million restricted AXA ordinary shares and AB Holding Unit awards remain unvested. At December 31, 2017, approximately $57 million of unrecognized compensation cost related to these unvested awards, net of estimated pre-vesting The following table summarizes restricted AXA ordinary share activity for 2017. In addition, approximately 11,069 RSUs were granted during 2017 with graded vesting over a 3-year Shares of Restricted Stock Weighted Average Grant Date Fair Value Unvested as of January 1, 2017 36,306 $ 24.46 Granted 12,929 $ 27.49 Vested 11,819 $ 24.30 Unvested as of December 31, 2017 37,416 $ 24.04 Unrestricted Awards Under the Equity Plan for Directors, the Company provides a stock retainer to non-officer non-officer Stock Appreciation Rights For 2017, 2016 and 2015, respectively, 15,542, 43,606 and 20,337 Stock Appreciation Rights (“SARs”) were granted to certain financial professionals of the Company, each with a 4-year 18.65-33.78 21.00- AXA Shareplan In 2017, eligible employees of participating Company subsidiaries were offered the opportunity to purchase newly issued AXA ordinary shares, subject to plan limits, under the terms of AXA Shareplan 2017. Eligible employees could have reserved a share purchase during the reservation period from August 28, 2017 through September 8, 2017 and could have canceled their reservation or elected to make a purchase for the first time during the retraction/subscription period from October 13, 2017 through October 17, 2017. The U.S. dollar purchase price was determined by applying the U.S. dollar/Euro forward exchange rate on October 11, 2017 to the discounted formula subscription price in Euros. Investment Option A permitted participants to purchase AXA ordinary shares at a 20% formula discounted price of €20.19 per share. Investment Option B permitted participants to purchase AXA ordinary shares at an 8.98% formula discounted price of €22.96 per share on a leveraged basis with a guaranteed return of initial investment plus a portion of any appreciation in the undiscounted value of the total shares purchased. For purposes of determining the amount of any appreciation, the AXA ordinary share price will be measured over a fifty-two The Company recognized compensation expense of $13 million in 2017 , $19 million in 2016 and $20 million in 2015 in connection with each respective year’s offering of AXA stock under the AXA Shareplan, representing the aggregate discount provided to participants for their purchase of AXA stock under each of those plans, as adjusted for the post-vesting, five-year holding period. The Company participants in AXA Shareplan 2017, 2016, and 2015 primarily invested under Investment Option B for the purchase of approximately 4 million, 6 million and 5 million AXA ordinary shares, respectively. AXA Miles Program 2012 On March 16, 2012, under the terms of the AXA Miles Program 2012, AXA granted 50 AXA Miles to every employee and eligible financial professional of AXA Group for the purpose of enhancing long-term employee-shareholder engagement. Each AXA Mile represents a phantom share of AXA stock that will convert to an actual AXA ordinary share at the end of a four-year vesting period provided the employee or financial professional remains in the employ of the company or has retired from service. Half of each AXA Miles grant, or 25 AXA Miles, were subject to an additional vesting condition that required improvement in at least one of two AXA performance metrics in 2012 as compared to 2011. This vesting condition has been satisfied. On March 16, 2016, AXA ordinary share distributions totaling approximately $4 million were made to active and former employees of the Company in settlement of approximately 0.2 million AXA Miles earned under the terms of the AXA Miles Program 2012. Stock Purchase Plans The Company’s stock purchase plan offers eligible employees and financial professionals the opportunity to receive a 10% match on AXA ordinary share purchases. Purchases generally are scheduled to occur at the end of each calendar quarter. The number of AXA ordinary shares reserved for purchase under the plan is 30.0 million. Compensation expense for 2017, 2016 and 2015 were approximately $0.5 million, $0.5 million and $0.4 million, respectively. AB Long-term Incentive Compensation Plans AB maintains several unfunded long-term incentive compensation plans for the benefit of certain eligible employees and executives. The AB Capital Accumulation Plan was frozen on December 31, 1987 and no additional awards have been made, however, ACMC, LLC (“ACMC”), an indirect, wholly-owned subsidiary of the Company, is obligated to make capital contributions to AB in amounts equal to benefits paid under this plan as well as other assumed contractual unfunded deferred compensation arrangements covering certain executives. Prior to changes implemented by AB in fourth quarter 2011, as further described below, compensation expense for the remaining active plans was recognized on a straight-line basis over the applicable vesting period. Prior to 2009, participants in these plans designated the percentages of their awards to be allocated among notional investments in AB Holding Units or certain investment products (primarily mutual funds) sponsored by AB. Beginning in 2009, annual awards granted under the Amended and Restated AB Incentive Compensation Award Program were in the form of restricted AB Holding Units. AB engages in open-market purchases of AB Holding Units to help fund anticipated obligations under its incentive compensation award program, for purchases of AB Holding Units from employees and other corporate purposes. During 2017 and 2016, AB purchased 9 million and 11 million AB Holding Units for $220 million and $236 million , respectively. These amounts reflect open-market purchases of 5 million and 8 million AB Holding Units for $117 million and $176 million, respectively, with the remainder relating to purchases of AB Holding Units from employees to allow them to fulfill statutory tax withholding requirements at the time of distribution of long-term incentive compensation awards, offset by AB Holding Units purchased by employees as part of a distribution reinvestment election. During 2017, AB granted to employees and eligible directors 8.3 million restricted AB Holding units (including 6.1 million granted in December for 2017 year-end During 2016, AB granted to employees and eligible directors 7.0 million restricted AB Holding Unit awards (including 6.1 million granted in December for 2016 year-end During 2017 and 2016, AB Holding issued 1.2 million and 0.4 million AB Holding Units, respectively, upon exercise of options to buy AB Holding Units. AB Holding used the proceeds of $20 million and $6 million, respectively, received from employees as payment in cash for the exercise price to purchase the equivalent number of newly-issued AB Holding Units. Effective as of September 30, 2017, AB established the AB 2017 Long Term Incentive Plan (“2017 Plan”), which was adopted at a special meeting of AB Holding Unitholders held on September 29, 2017. The following forms of awards may be granted to employees and Eligible Directors under the 2017 Plan: (i) restricted AB Holding Units or phantom restricted AB Holding Units (a “phantom” award is a contractual right to receive AB Holding Units at a later date or upon a specified event); (ii) options to buy AB Holding Units; and (iii) other AB Holding Unit-based awards (including, without limitation, AB Holding Unit appreciation rights and performance awards). The purpose of the 2017 Plan is to promote the interest of AB by: (i) attracting and retaining talented officers, employees and directors, (ii) motivating such officers, employees and directors by means of performance-related incentives to achieve longer-range business and operational goals, (iii) enabling such officers, employees and directors to participate in the long-term growth and financial success of AB, and (iv) aligning the interests of such officers, employees and directors with those of AB Holding Unitholders. The 2017 Plan will expire on September 30, 2027, and no awards under the 2017 Plan will be made after that date. Under the 2017 Plan, the aggregate number of AB Holding Units with respect to which awards may be granted is 60 million, including no more than 30 million newly-issued AB Holding Units. As of December 31, 2017, no options to buy AB Holding Units had been granted and 6.1 million AB Holding Units, net of withholding tax requirements, were subject to other AB Holding Unit awards made under the 2017 Plan or an equity compensation plan with similar terms that was canceled in 2017. AB Holding Unit-based awards (including options) in respect of 53.9 million AB Holding Units were available for grant as of December 31, 2017. The AllianceBernstein 2010 Long Term Incentive Plan, as amended, was canceled on September 30, 2017. The awards and terms under the 2010 Long Term Incentive Plan were substantially similar to the 2017 Plan.

INCOME TAXES

INCOME TAXES	1 Months Ended	9 Months Ended
	Jan. 31, 2018	Sep. 30, 2018
Income Tax Disclosure [Abstract]
INCOME TAXES	14) INCOME TAXES Income (loss) from operations before income taxes included income from domestic operations of $1,163 million, $1,908 million and $311 million for the years ended December 31, 2017, 2016 and 2015, and income (losses) from foreign operations of $143 million, $119 million and $117 million for the years ended December 31, 2017, 2016 and 2015. Approximately $30 million, $30 million, and $29 million of the company’s income tax expense is attributed to foreign jurisdictions for the years ended December 31, 2017, 2016 and 2015. A summary of the income tax (expense) benefit in the consolidated statements of income (loss) follows: 2017 2016 2015 (in millions) Income tax (expense) benefit: Current (expense) benefit $ 119 $ (169 ) $ 136 Deferred (expense) benefit (168 ) (209 ) 86 Total $ (49 ) $ (378 ) $ 222 The Federal income taxes attributable to consolidated operations are different from the amounts determined by multiplying the earnings before income taxes and noncontrolling interest by the expected Federal income tax rate of 35.0%. The sources of the difference and their tax effects are as follows: 2017 2016 2015 (in millions) Expected income tax (expense) benefit $ (457 ) $ (710 ) $ (149 ) Noncontrolling interest 138 125 96 Non-taxable 255 177 191 Tax audit interest (14 ) (32 ) (8 ) State income taxes (16 ) (108 ) (10 ) Tax Settlements/Uncertain Tax Position Release 228 181 105 Change in Tax Law (32 ) — — Intangibles (138 ) (9 ) (9 ) Other (13 ) (2 ) 6 Income tax (expense) benefit $ (49 ) $ (378 ) $ 222 During the second quarter of 2017, the Company agreed to the Internal Revenue Service’s Revenue Agent’s Report for its consolidated 2008 and 2009 Federal corporate income tax returns. The impact on the Company’s financial statements and unrecognized tax benefits was a tax benefit of $228 million. The Company’s financial statements include a tax expense of $129 million related to non-deductible During the first quarter of 2016, the Company agreed to the Internal Revenue Service’s Revenue Agent’s Report for MONY Life’s consolidated amended 2004-2007 Federal and consolidated 2008 and 2009 Federal corporate income tax returns. The impact on the Company’s statement of income (loss) is an income tax benefit of $21 million. Also during 2016, the Company released an unrecognized tax benefit related to the loss generated by the sale of MONY Life Insurance Company. The benefit recorded in the Company’s financial statements was $160 million. During the second quarter of 2015, the Company reached a settlement with the IRS on the appeal of proposed adjustments to the Company’s 2004 and 2005 Federal corporate income tax returns. Additionally, on June 30, 2015, the statute of limitations lapsed on certain subsidiaries, resulting in the release of unrecognized tax benefits for timing items and the release of accrued interest thereon. The impact of these events on the Company’s financial statements and unrecognized tax benefits in 2015 was a tax benefit of $105 million. The Tax Cuts and Jobs Act (the “Tax Reform Act”) was enacted on December 22, 2017. The SEC issued Staff Accounting Bulletin No. 118 (“SAB 118”) to address the application of U.S. GAAP in situations where a company does not have the necessary information available to complete its accounting for certain income tax effects of the Tax Reform Act. In accordance with SAB 118, the Company determined reasonable estimates for certain effects of the Tax Reform Act and recorded those estimates as provisional amounts in the 2017 financial statements due to the need for further analysis, collection and preparation of the relevant data necessary to complete the accounting. These amounts are subject to change as the information necessary to complete the calculations is obtained and as tax authorities issue further guidance. The following provisional amounts related to the impact of the Tax Reform Act are included in the Company’s financial statements: • An income tax expense of $32 million from the revaluation of deferred tax assets and liabilities due to lower corporate tax rates. The Company will recognize changes to this estimate as the calculation of cumulative temporary differences is refined. • An income tax expense of $23 million to account for the deemed repatriation of foreign earnings. The determination of this tax requires further analysis regarding the amount and composition of historical foreign earnings. The components of the net deferred income taxes are as follows: 2017 2016 Assets Liabilities Assets Liabilities (in millions) Compensation and related benefits $ 328 $ — $ 605 $ — Net operating loss 35 — 43 — Reserves and reinsurance 1,460 — 1,906 — DAC and VOBA — 850 — 1,551 Unrealized investment gains (losses) — 373 — 63 Investments — 891 — 859 Alternative minimum tax credits 528 — 303 — Other 170 — 537 — Total $ 2,521 $ 2,114 $ 3,394 $ 2,473 The Company has Federal tax net operating loss carry forwards of $167 million and $123 million, which will expire at various dates from 2029 through 2035 for the years ending December 31, 2017 and 2016, respectively. Realization is dependent on generating sufficient taxable income prior to expiration of the loss carryforwards. Although realization is not assured, management believes it is more likely than not that all of the deferred tax asset will be realized. The Company had $528 million and $303 million of AMT credits for the years ended December 31, 2017 and 2016, respectively, which do not expire. While the Tax Reform Act repealed the corporate AMT and allows for the refund of a portion of accumulated minimum tax credits, the refundable credits may be subject to a sequestration fee. Included in the deferred tax revaluation is a $35 million charge related to the sequestration of refundable AMT credits. In accordance with the recently enacted Tax Reform Act, the Company provided a $23 million provisional charge on the deemed repatriation of earnings associated with non-U.S. A reconciliation of unrecognized tax benefits (excluding interest and penalties) follows: 2017 2016 2015 (in millions) Balance at January 1, $ 729 $ 802 $ 857 Additions for tax positions of prior years 28 99 44 Reductions for tax positions of prior years (247 ) (172 ) (99 ) Additions for tax positions of current year — — — Settlements with Tax Authorities (33 ) — — Balance at December 31, $ 477 $ 729 $ 802 Unrecognized tax benefits that, if recognized, would impact the effective rate $ 317 $ 485 $ 620 The Company recognizes accrued interest and penalties related to unrecognized tax benefits in tax expense. Interest and penalties included in the amounts of unrecognized tax benefits at December 31, 2017 and 2016 were $83 million and $126 million, respectively. For 2017, 2016 and 2015, respectively, there were $(43) million, $25 million and $(47) million in interest expense related to unrecognized tax benefits. It is reasonably possible that the total amount of unrecognized tax benefits will change within the next 12 months due to the conclusion of IRS proceedings and the addition of new issues for open tax years. The possible change in the amount of unrecognized tax benefits cannot be estimated at this time. As of December 31, 2017, tax years 2010 and subsequent remain subject to examination by the IRS.	INCOME TAXES Income tax expense for the nine months ended September 30, 2018 and 2017 was computed using an estimated annual effective tax rate (“ETR”), with discrete items recognized in the period in which they occur. The estimated ETR is revised, as necessary, at the end of successive interim reporting periods. The Company adopted revised goodwill impairment guidance in the first quarter of 2017. Income tax expense for the nine months ended September 30, 2017 includes an expense of $129 million related to the impairment of non-deductible goodwill. In the first nine months of 2017, the Company recognized a tax benefit of $228 million related to the conclusion of an Internal Revenue Service (“IRS”) audit for tax years 2008 and 2009. On December 22, 2017, President Trump signed into law the Tax Cuts and Jobs Act (the “Tax Reform Act”), a broad overhaul of the U.S. Internal Revenue Code that changes long-standing provisions governing the taxation of U.S. corporations, including life insurance companies. At December 31, 2017, the Company recorded a provisional estimate of the income tax effects related to the Tax Reform Act. During the nine months ended September 30, 2018 , there were no changes to this estimate.

ACCUMULATED OTHER COMPREHENSIVE

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Equity [Abstract]
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) AOCI represents cumulative gains (losses) on items that are not reflected in Net income (loss). The balances as of September 30, 2018 and 2017 follow: September 30, 2018 2017 (in millions) Unrealized gains (losses) on investments $ (841 ) $ 642 Foreign currency translation adjustments (39 ) (45 ) Defined benefit pension plans (752 ) (995 ) Total accumulated other comprehensive income (loss) (1,632 ) (398 ) Less: Accumulated other comprehensive (income) loss attributable to noncontrolling interest 37 53 Accumulated other comprehensive income (loss) attributable to Holdings $ (1,595 ) $ (345 ) The components of OCI, net of taxes for the three and nine months ended September 30, 2018 and 2017 follow: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Foreign currency translation adjustments: Foreign currency translation gains (losses) arising during the period $ 10 $ 7 $ (4 ) $ 32 (Gains) losses reclassified into net income (loss) during the period — — — — Foreign currency translation adjustment 10 7 (4 ) 32 Net unrealized gains (losses) on investments: Net unrealized gains (losses) arising during the period (445 ) (1 ) (2,064 ) 549 (Gains) losses reclassified into net income (loss) during the period (1) 27 17 (43 ) 29 Net unrealized gains (losses) on investments (418 ) 16 (2,107 ) 578 Adjustments for policyholders’ liabilities, DAC, insurance liability loss recognition and other 56 (49 ) 437 (76 ) Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $(96), $(18), $(444) and $270) (362 ) (33 ) (1,670 ) 502 Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Change in defined benefit plans: Less: reclassification adjustments to net income (loss) for: Amortization of net actuarial (gains) losses included in: Amortization of net prior service cost included in net periodic cost 68 17 202 60 Change in defined benefit plans (net of deferred income tax expense (benefit) of $18, $9, $54 and $32) 68 17 202 60 Total other comprehensive income (loss), net of income taxes (284 ) (9 ) (1,472 ) 594 Less: Other comprehensive (income) loss attributable to noncontrolling interest — (3 ) (15 ) (18 ) Other comprehensive income (loss) attributable to Holdings $ (284 ) $ (12 ) $ (1,487 ) $ 576 ____________ (1) See “Reclassification adjustments” in Note 3 . Reclassification amounts presented net of income tax expense (benefit) of $ 7 million, $ (11) million, $ 9 million and $ 16 million for the three and nine months ended September 30, 2018 and 2017 , respectively. Investment gains and losses reclassified from AOCI to net income (loss) primarily consist of realized gains (losses) on sales and OTTI of AFS securities and are included in Total investment gains (losses), net on the consolidated statements of income (loss). Amounts reclassified from AOCI to net income (loss) as related to defined benefit plans primarily consist of amortizations of net (gains) losses and net prior service cost (credit) recognized as a component of net periodic cost and reported in Compensation and benefit expenses in the consolidated statements of income (loss). Amounts presented in the table above are net of tax.	15) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) AOCI represents cumulative gains (losses) on items that are not reflected in income (loss). The balances for the past three years follow: December 31, 2017 2016 2015 (in millions) Unrealized gains (losses) on investments $ 830 $ 140 $ 414 Foreign currency translation adjustments (35 ) (77 ) (59 ) Defined benefit pension plans (955 ) (1,055 ) (1,089 ) Total accumulated other comprehensive income (loss) (160 ) (992 ) (734 ) Less: Accumulated other comprehensive (income) loss attributable to noncontrolling interest 52 71 57 Accumulated other comprehensive income (loss) attributable to Holdings $ (108 ) $ (921 ) $ (677 ) The components of OCI for the past three years, net of tax, follow: As of December 31, 2017 2016 2015 (in millions) Foreign currency translation adjustments: Foreign currency translation gains (losses) arising during the period $ 42 $ (18 ) $ (25 ) (Gains) losses reclassified into net income (loss) during the period — — — Foreign currency translation adjustment 42 (18 ) (25 ) Change in net unrealized gains (losses) on investments: Net unrealized gains (losses) arising during the year 910 (227 ) (1,202 ) (Gains) losses reclassified into net income (loss) during the year (1) 10 (55 ) 13 Net unrealized gains (losses) on investments 920 (282 ) (1,189 ) Adjustments for policyholders liabilities, DAC, insurance liability loss recognition and other (230 ) 8 250 Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $(262) million, $(164) million, and $(505) million) 690 (274 ) (939 ) Change in defined benefit plans: Less: reclassification adjustments to net income (loss) for: (2) Amortization of net prior service credit included in net periodic cost 100 34 35 Change in defined benefit plans (net of deferred income tax expense (benefit) of $51 million, $19 million, $19 million) 100 34 35 Total other comprehensive income (loss), net of income taxes 832 (258 ) (929 ) Less: Other comprehensive (income) loss attributable to noncontrolling interest (19 ) 14 14 Other comprehensive income (loss) attributable to Holdings $ 813 $ (244 ) $ (915 ) (1) See “Reclassification adjustments” in Note 3. Reclassification amounts presented net of income tax expense (benefit) of $5 million, $29 million and $(7) million for 2017, 2016 and 2015, respectively. (2) These AOCI components are included in the computation of net periodic costs (see “Employee Benefit Plans” in Note 12). Reclassification amounts presented net of income tax expense (benefit) of $(51) million, $(19) million and $(19) million for 2017, 2016 and 2015, respectively. Investment gains and losses reclassified from AOCI to net income (loss) primarily consist of realized gains (losses) on sales and OTTI of AFS securities and are included in Total investment gains (losses), net on the consolidated statements of income (loss). Amounts reclassified from AOCI to net income (loss) as related to defined benefit plans primarily consist of amortizations of net (gains) losses and net prior service cost (credit) recognized as a component of net periodic cost and reported in Compensation and benefit expenses in the consolidated statements of income (loss). Amounts presented in the table above are net of tax.

COMMITMENTS AND CONTINGENT LIAB

COMMITMENTS AND CONTINGENT LIABILITIES	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENT LIABILITIES	COMMITMENTS AND CONTINGENT LIABILITIES Litigation Litigation, regulatory and other loss contingencies arise in the ordinary course of the Company’s activities as a diversified financial services firm. The Company is a defendant in a number of litigation matters arising from the conduct of its business. In some of these matters, claimants seek to recover very large or indeterminate amounts, including compensatory, punitive, treble and exemplary damages. Modern pleading practice in the U.S. permits considerable variation in the assertion of monetary damages and other relief. Claimants are not always required to specify the monetary damages they seek or they may be required only to state an amount sufficient to meet a court’s jurisdictional requirements. Moreover, some jurisdictions allow claimants to allege monetary damages that far exceed any reasonably possible verdict. The variability in pleading requirements and past experience demonstrates that the monetary and other relief that may be requested in a lawsuit or claim often bears little relevance to the merits or potential value of a claim. Litigation against the Company includes a variety of claims including, among other things, insurers’ sales practices, alleged agent misconduct, alleged failure to properly supervise agents, contract administration, product design, features and accompanying disclosure, cost of insurance increases, the use of captive reinsurers, payments of death benefits and the reporting and escheatment of unclaimed property, alleged breach of fiduciary duties, alleged mismanagement of client funds and other matters. As with other financial services companies, the Company periodically receives informal and formal requests for information from various state and federal governmental agencies and self-regulatory organizations in connection with inquiries and investigations of the products and practices of the Company or the financial services industry. It is the practice of the Company to cooperate fully in these matters. The outcome of a litigation or regulatory matter is difficult to predict and the amount or range of potential losses associated with these or other loss contingencies requires significant management judgment. It is not possible to predict the ultimate outcome or to provide reasonably possible losses or ranges of losses for all pending regulatory matters, litigation and other loss contingencies. While it is possible that an adverse outcome in certain cases could have a material adverse effect upon the Company’s financial position, based on information currently known, management believes that neither the outcome of pending litigation and regulatory matters, nor potential liabilities associated with other loss contingencies, are likely to have such an effect. However, given the large and indeterminate amounts sought in certain litigation and the inherent unpredictability of all such matters, it is possible that an adverse outcome in certain of the Company’s litigation or regulatory matters, or liabilities arising from other loss contingencies, could, from time to time, have a material adverse effect upon the Company’s results of operations or cash flows in a particular quarterly or annual period. For some matters, the Company is able to estimate a possible range of loss. For such matters in which a loss is probable, an accrual has been made. For matters where the Company, however, believes a loss is reasonably possible, but not probable, no accrual is required. For matters for which an accrual has been made, but there remains a reasonably possible range of loss in excess of the amounts accrued or for matters where no accrual is required, the Company develops an estimate of the unaccrued amounts of the reasonably possible range of losses. As of September 30, 2018 , the Company estimates the aggregate range of reasonably possible losses, in excess of any amounts accrued for these matters as of such date, to be up to approximately $90 million. For other matters, the Company is currently not able to estimate the reasonably possible loss or range of loss. The Company is often unable to estimate the possible loss or range of loss until developments in such matters have provided sufficient information to support an assessment of the range of possible loss, such as quantification of a damage demand from plaintiffs, discovery from plaintiffs and other parties, investigation of factual allegations, rulings by a court on motions or appeals, analysis by experts and the progress of settlement discussions. On a quarterly and annual basis, the Company reviews relevant information with respect to litigation and regulatory contingencies and updates the Company’s accruals, disclosures and reasonably possible losses or ranges of loss based on such reviews. In July 2011, a derivative action was filed in the United States District Court for the District of New Jersey entitled Mary Ann Sivolella v. AXA Equitable Life Insurance Company and AXA Equitable Funds Management Group, LLC (“Sivolella Litigation”) and a substantially similar action was filed in January 2013 entitled Sanford et al. v. AXA Equitable FMG (“Sanford Litigation”). These lawsuits were filed on behalf of a total of twelve mutual funds and, among other things, seek recovery under (i) Section 36(b) of the Investment Company Act of 1940, as amended (the “Investment Company Act”), for alleged excessive fees paid to AXA Equitable Life and AXA Equitable FMG for investment management services and administrative services and (ii) a variety of other theories including unjust enrichment. The Sivolella Litigation and the Sanford Litigation were consolidated and a 25-day trial commenced in January 2016 and concluded in February 2016. In August 2016, the District Court issued its decision in favor of AXA Equitable Life and AXA Equitable FMG, finding that the plaintiffs had failed to meet their burden to demonstrate that AXA Equitable Life and AXA Equitable FMG breached their fiduciary duty in violation of Section 36(b) of the Investment Company Act or show any actual damages. In September 2016, the plaintiffs filed a motion to amend the District Court’s trial opinion and to amend or make new findings of fact and/or conclusions of law. In December 2016, the District Court issued an order denying the motion to amend and plaintiffs filed a notice to appeal the District Court’s decision to the U.S. Court of Appeals for the Third Circuit. In July 2018, the U.S. Court of Appeals for the Third Circuit affirmed the District Court’s decision, and that decision is now final because the plaintiffs failed to file a further appeal. In November 2014, a lawsuit was filed in the Superior Court of New Jersey, Camden County entitled Arlene Shuster, on behalf of herself and all others similarly situated v. AXA Equitable Life Insurance Company. This lawsuit is a putative class action on behalf of all AXA Equitable Life variable life insurance policyholders who allocated funds from their policy accounts to investments in AXA Equitable Life’s Separate Accounts, which were subsequently subjected to the volatility management strategy and who suffered injury as a result thereof. The action asserts that AXA Equitable Life breached its variable life insurance contracts by implementing the volatility management strategy. In February 2016, the Court dismissed the complaint. In March 2016, the plaintiff filed a notice of appeal. In April 2018, the Superior Court of New Jersey Appellate Division affirmed the trial court’s decision. In August 2015, another lawsuit was filed in Connecticut Superior Court, Judicial Division of New Haven entitled Richard T. O’Donnell, on behalf of himself and all others similarly situated v. AXA Equitable Life Insurance Company. This lawsuit is a putative class action on behalf of all persons who purchased variable annuities from AXA Equitable Life, which were subsequently subjected to the volatility management strategy and who suffered injury as a result thereof. Plaintiff asserts a claim for breach of contract alleging that AXA Equitable Life implemented the volatility management strategy in violation of applicable law. In November 2015, the Connecticut Federal District Court transferred this action to the United States District Court for the Southern District of New York. In March 2017, the Southern District of New York granted AXA Equitable Life’s motion to dismiss the complaint. In April 2017, the plaintiff filed a notice of appeal. In April 2018, the United States Court of Appeals for the Second Circuit reversed the trial court’s decision with instructions to remand the case to Connecticut state court. In September 2018, the Second Circuit issued its mandate, following AXA Equitable’s notification to the court that it would not file a petition for writ of certiorari. We are vigorously defending this matter. In February 2016, a lawsuit was filed in the United States District Court for the Southern District of New York entitled Brach Family Foundation, Inc. v. AXA Equitable Life Insurance Company. This lawsuit is a putative class action brought on behalf of all owners of universal life (“UL”) policies subject to AXA Equitable Life’s COI increase. In early 2016, AXA Equitable Life raised COI rates for certain UL policies issued between 2004 and 2007, which had both issue ages 70 and above and a current face value amount of $1 million and above. A second putative class action was filed in Arizona in 2017 and consolidated with the Brach matter. The current consolidated class action complaint alleges the following claims: breach of contract; misrepresentations by AXA Equitable Life in violation of Section 4226 of the New York Insurance Law; violations of New York General Business Law Section 349; violations of the California Unfair Competition Law, and the California Elder Abuse Statute. Plaintiffs seek (a) compensatory damages, costs, and, pre- and post-judgment interest, (b) with respect to their claim concerning Section 4226, a penalty in the amount of premiums paid by the plaintiffs and the putative class, and (c) injunctive relief and attorneys’ fees in connection with their statutory claims. Five other federal individual actions challenging the COI increase are also pending against AXA Equitable Life and have been consolidated with the Brach matter for the purposes of coordinating pre-trial activities. They contain similar allegations as those in Brach as well as additional allegations for violations of various states’ consumer protection statutes and common law fraud. Three state individual actions are also pending against AXA Equitable Life in New York and Virginia. We are in various stages of motion practice and are vigorously defending each of these matters. Lease obligations The liabilities associated with the Company’s lease obligations were as follows: Nine Months Ended Year Ended December 31, 2018 2017 (in millions) Leases Balance, beginning of year $ 165 $ 170 Expense incurred 7 29 Deferred rent 2 10 Payments made (40 ) (48 ) Interest accretion 3 4 Balance, end of period $ 137 $ 165 Obligation under funding agreements As a member of the FHLBNY, AXA Equitable Life has access to collateralized borrowings. It also may issue funding agreements to the FHLBNY. Both the collateralized borrowings and funding agreements would require AXA Equitable Life to pledge qualified mortgage-backed assets and/or government securities as collateral. AXA Equitable Life issues short-term funding agreements to the FHLBNY and uses the funds for asset liability and cash management purposes. AXA Equitable Life issues long-term funding agreements to the FHLBNY and uses the funds for spread lending purposes. For other instruments used for asset liability management purposes see “Derivative and offsetting assets and liabilities” included in Note 3 . Funding agreements are reported in Policyholders’ account balances in the consolidated balance sheets. Outstanding balance at end of period Maturity of Outstanding balance Issued during the period Repaid during the period (in millions) September 30, 2018 Short-term FHLBNY funding agreements $ 500 less than one month $ 4,500 $ 4,500 Long-term FHLBNY funding agreements 1,621 less than 4 years — — 98 Less than 5 years — — 781 Greater than 5 years — — Total long-term funding agreements 2,500 $ — — Total FHLBNY funding agreements at September 30, 2018 $ 3,000 $ 4,500 $ 4,500 December 31, 2017: Short-term FHLBNY funding agreements $ 500 Less than one month $ 6,000 $ 6,000 Long-term FHLBNY funding agreements 1,244 Less than 4 years 324 — 377 Less than 5 years 303 — 879 Greater than 5 years 135 — Total long-term funding agreements 2,500 762 — Total FHLBNY funding agreements at December 31, 2017 $ 3,000 $ 6,762 $ 6,000 Credit Facilities and Notes In February 2018, Holdings entered into the following credit facilities: (i) a $3.9 billion two -year senior unsecured delayed draw term loan agreement; (ii) a $500 million three -year senior unsecured delayed draw term loan agreement; and (iii) a $2.5 billion five -year senior unsecured revolving credit facility with a syndicate of banks. The revolving credit facility has a sub-limit of $1.5 billion for letters of credit issued to support our life insurance business reinsured by EQ AZ Life Re following the GMxB Unwind and to support the third-party GMxB variable annuity business reinsured by CS Life RE. In April 2018, the Company terminated the $3.9 billion two -year term loan agreement, and, in May 2018, the Company borrowed $300 million under the three -year term loan agreement and the remaining $200 million capacity was terminated at IPO. In April, the Company had $125 million and $800 million of undrawn letters of credit issued out of the $1.5 billion sub-limit for ACS Life and AXA Equitable Life, respectively, as beneficiaries. Letters of Credit In addition to the letters of credit issued under the $2.5 billion revolving credit facility, $1.9 billion of undrawn letters of credit were issued, including $1.9 billion related to reinsurance assumed by EQ AZ Life Re from AXA Equitable Life, USFL and MLOA at September 30, 2018. Other Commitments The Company had $ 796 million (including $ 233 million with affiliates) and $ 379 million of commitments under equity financing arrangements to certain limited partnership and existing mortgage loan agreements, respectively, at September 30, 2018 .	16) COMMITMENTS AND CONTINGENT LIABILITIES Litigation Litigation, regulatory and other loss contingencies arise in the ordinary course of the Company’s activities as a diversified financial services firm. The Company is a defendant in a number of litigation matters arising from the conduct of its business. In some of these matters, claimants seek to recover very large or indeterminate amounts, including compensatory, punitive, treble and exemplary damages. Modern pleading practice in the U.S. permits considerable variation in the assertion of monetary damages and other relief. Claimants are not always required to specify the monetary damages they seek or they may be required only to state an amount sufficient to meet a court’s jurisdictional requirements. Moreover, some jurisdictions allow claimants to allege monetary damages that far exceed any reasonably possible verdict. The variability in pleading requirements and past experience demonstrates that the monetary and other relief that may be requested in a lawsuit or claim often bears little relevance to the merits or potential value of a claim. Litigation against the Company includes a variety of claims including, among other things, insurers’ sales practices, alleged agent misconduct, alleged failure to properly supervise agents, contract administration, product design, features and accompanying disclosure, cost of insurance increases, the use of captive reinsurers, payments of death benefits and the reporting and escheatment of unclaimed property, alleged breach of fiduciary duties, alleged mismanagement of client funds and other matters. As with other financial services companies, the Company periodically receives informal and formal requests for information from various state and federal governmental agencies and self-regulatory organizations in connection with inquiries and investigations of the products and practices of the Company or the financial services industry. It is the practice of the Company to cooperate fully in these matters. The outcome of a litigation or regulatory matter is difficult to predict and the amount or range of potential losses associated with these or other loss contingencies requires significant management judgment. It is not possible to predict the ultimate outcome or to provide reasonably possible losses or ranges of losses for all pending regulatory matters, litigation and other loss contingencies. While it is possible that an adverse outcome in certain cases could have a material adverse effect upon the Company’s financial position, based on information currently known, management believes that neither the outcome of pending litigation and regulatory matters, nor potential liabilities associated with other loss contingencies, are likely to have such an effect. However, given the large and indeterminate amounts sought in certain litigation and the inherent unpredictability of all such matters, it is possible that an adverse outcome in certain of the Company’s litigation or regulatory matters, or liabilities arising from other loss contingencies, could, from time to time, have a material adverse effect upon the Company’s results of operations or cash flows in a particular quarterly or annual period. For some matters, the Company is able to estimate a possible range of loss. For such matters in which a loss is probable, an accrual has been made. For matters where the Company, however, believes a loss is reasonably possible, but not probable, no accrual is required. For matters for which an accrual has been made, but there remains a reasonably possible range of loss in excess of the amounts accrued or for matters where no accrual is required, the Company develops an estimate of the unaccrued amounts of the reasonably possible range of losses. As of December 31, 2017, the Company estimates the aggregate range of reasonably possible losses, in excess of any amounts accrued for these matters as of such date to be up to approximately $90 million. For other matters, the Company is currently not able to estimate the reasonably possible loss or range of loss. The Company is often unable to estimate the possible loss or range of loss until developments in such matters have provided sufficient information to support an assessment of the range of possible loss, such as quantification of a damage demand from plaintiffs, discovery from plaintiffs and other parties, investigation of factual allegations, rulings by a court on motions or appeals, analysis by experts and the progress of settlement discussions. On a quarterly and annual basis, the Company reviews relevant information with respect to litigation and regulatory contingencies and updates the Company’s accruals, disclosures and reasonably possible losses or ranges of loss based on such reviews. In July 2011, a derivative action was filed in the United States District Court for the District of New Jersey entitled Mary Ann Sivolella v. AXA Equitable Life Insurance Company and AXA Equitable Funds Management Group, LLC Sanford et al. v. AXA Equitable FMG 25-day In April 2014, a lawsuit was filed in the United States District Court for the Southern District of New York, now entitled Ross v. AXA Equitable Life Insurance Company Calvin W. Yarbrough, on behalf of himself and all others similarly situated v. AXA Equitable Life Insurance Company In November 2014, a lawsuit was filed in the Superior Court of New Jersey, Camden County entitled Arlene Shuster, on behalf of herself and all others similarly situated v. AXA Equitable Life Insurance Company Richard T. O’Donnell, on behalf of himself and all others similarly situated v. AXA Equitable Life Insurance Company. In February 2016, a lawsuit was filed in the United States District Court for the Southern District of New York entitled Brach Family Foundation, Inc. v. AXA Equitable Life Insurance Company pre- pre-trial Debt Maturities At December 31, 2017, aggregate maturities of the long-term debt, based on required principal payments at maturity were $0 million for the next four successive years and $552 million thereafter. At December 31, 2017, aggregate maturities of the loans from affiliates, based on required principal payments at maturity were $1,092 million for 2018, $0 million for 2019, $770 million in 2020 and $1,760 million for years 2021 and thereafter. Leases The Company has entered into operating leases for office space and certain other assets, principally information technology equipment and office furniture and equipment. Future minimum payments under non-cancelable non-cancelable Rent expense, which is amortized on a straight-line basis over the life of the lease, was $142.9 million, $140.2 million, $137.7 million, respectively, for the years ended December 31, 2017, 2016 and 2015, net of sublease income of $16.4 million, $15.8 million, $5.2 million, respectively, for the years ended December 31, 2017, 2016 and 2015. Obligations under Funding Agreements Entering into FHLBNY membership, borrowings and funding agreements requires the ownership of FHLBNY stock and the pledge of assets as collateral. The Company has purchased FHLBNY stock of $144 million and pledged collateral with a carrying value of $4.5 billion, as of December 31, 2017. The Company issues short-term funding agreements to the FHLBNY and uses the funds for asset liability and cash management purposes. The Company issues long term funding agreements to the FHLBNY and uses the funds for spread lending purposes. Funding agreements are reported in Policyholders’ account balances in the consolidated balance sheets. For other instruments used for asset/liability and cash management purposes, see “Derivative and offsetting assets and liabilities” included in Note 3. The table below summarizes the Company’s activity of funding agreements with the FHLBNY. Outstanding Maturity of Outstanding balance Issued during Repaid during (in millions) December 31, 2017: Short-term FHLBNY funding agreements $ 500 less than one month $ 6,000 $ 6,000 Long-term FHLBNY funding agreements 1,244 less than 4 years 324 — 377 Less than 5 years 303 — 879 greater than five years 135 — Total long term funding agreements 2,500 762 — Total FHLBNY funding agreements at December 31, 2017 $ 3,000 $ 6,762 $ 6,000 December 31, 2016: Short-term FHLBNY funding agreements $ 500 less than one month $ 6,000 $ 6,000 Long-term FHLBNY funding agreements 58 less than 4 years 58 — 862 Less than 5 years 862 — 818 greater than five years 818 — Total long term funding agreements 1,738 1,738 — Total FHLBNY funding agreements at December 31, 2016 $ 2,238 $ 7,738 $ 6,000 (1) The $14 million difference between the funding agreements carrying value shown in fair value table for 2017 and contractual obligation value for 2017 reflects the impact of a hedge implemented to lock in the funding agreements borrowing rate. Restructuring As part of the Company’s on-going pre-tax December 31, 2017 2016 (in millions) Severance Balance, beginning of year $ 22 $ 11 Additions 17 20 Cash payments (14 ) (9 ) Other reductions (2 ) — Balance, end of year $ 23 $ 22 December 31, 2017 2016 (in millions) Leases Balance as of January 1, 2017 $ 170 $ 190 Expense incurred 29 12 Deferred rent 10 5 Payments made (48 ) (42 ) Interest accretion 4 5 Balance as of end of period $ 165 $ 170 In addition to the above, in an effort to further reduce its global real estate footprint, AB completed a comprehensive review of its worldwide office locations and began implementing a global space consolidation plan in 2012. This resulted in the sublease of office space primarily in New York as well as offices in England, Australia and various U.S. locations. In 2017, AB recorded new real estate charges of $37 million, resulting from new charges of $40 million relating to the further consolidation of office space at AB’s New York offices, offset by changes in estimates related to previously recorded real estate charges of $4 million, which reflects the shortening of the lease term of AB’s corporate headquarters from 2029 to 2024. Real estate charges are recorded in Other operating costs and expenses in the Company’s consolidated Statements of income (loss). Guarantees and Other Commitments The Company provides certain guarantees or commitments to affiliates and others. At December 31, 2017, these arrangements include commitments by the Company to provide equity financing of $756 million (including $234 million with affiliates and $22 million on consolidated VIEs) to certain limited partnerships and real estate joint ventures under certain conditions. Management believes the Company will not incur material losses as a result of these commitments. The Company is the obligor under certain structured settlement agreements it had entered into with unaffiliated insurance companies and beneficiaries. To satisfy its obligations under these agreements, the Company owns single premium annuities issued by previously wholly owned life insurance subsidiaries. The Company has directed payment under these annuities to be made directly to the beneficiaries under the structured settlement agreements. A contingent liability exists with respect to these agreements should the previously wholly owned subsidiaries be unable to meet their obligations. Management believes the need for the Company to satisfy those obligations is remote. The Company had $4,489 million of undrawn letters of credit, including $4,260 million at AXA Arizona RE related to reinsurance assumed from AXA Equitable Life, USFL and MLOA at December 31, 2017. Holdings had $636 million of commitments under existing mortgage loan agreements at December 31, 2017. AXA Equitable Life, USFL and MLOA receive statutory reserve credits for reinsurance treaties with AXA Arizona RE to the extent AXA Arizona holds assets in an irrevocable trust (the “Trust”) ($10.4 billion at December 31, 2017) and/or letters of credit ($4.3 billion at December 31, 2017). These letters of credit are guaranteed by AXA or AXA Financial. Under the reinsurance transactions, AXA Arizona RE is permitted to transfer assets from the Trust under certain circumstances. The level of statutory reserves held by AXA Arizona RE fluctuate based on market movements, mortality experience and policyholder behavior. Increasing reserve requirements may necessitate that additional assets be placed in trust and/or securing additional letters of credit, which could adversely impact AXA Arizona RE’s liquidity. In addition, AXA Arizona RE utilizes derivative instruments as well as repurchase agreement transactions that are collectively managed in an effort to reduce the economic impact of unfavorable changes to GMDB and GMIB reserves. The use of such instruments are accompanied by agreements which specify the circumstances under which the parties are required to pledge collateral related to the decline in the estimated fair value of specified instruments. Moreover, under the terms of a majority of the transactions, payments to counterparties related to the change in fair value of the instruments may be required. The amount of collateral pledged and the amount of payments required to be made pursuant to such transactions may increase under certain circumstances, which could adversely impact AXA Arizona RE’s liquidity. AB maintains a guarantee in connection with the AB Credit Facility. If SCB LLC is unable to meet its obligations, AB will pay the obligations when due or on demand. In addition, AB maintains guarantees totaling $375 million for SCB LLC’s three uncommitted lines of credit. AB maintains a guarantee with a commercial bank, under which it guarantees the obligations in the ordinary course of business of SCB LLC, SCBL and AllianceBernstein Holdings (Cayman) Ltd. (“AB Cayman”). AB also maintains three additional guarantees with other commercial banks under which it guarantees approximately $410 million of obligations for SCBL. In the event that SCB LLC, SCBL or AB Cayman is unable to meet its obligations, AB will pay the obligations when due or on demand. AB also has two smaller guarantees with a commercial bank totaling approximately $2 million, under which it guarantees certain obligations in the ordinary course of business of one of its foreign subsidiaries. During 2009, AB entered into a subscription agreement under which it committed to invest up to $35 million, as amended in 2011, in a venture capital fund over a six-year During 2010, as general partner of the AB U.S. Real Estate L.P. (the “Real Estate Fund”), AB committed to invest $25 million in the Real Estate Fund. As of December 31, 2017, AB had funded $22 million of this commitment. As general partner of the AB U.S. Real Estate II L.P. (“Real Estate Fund II”), AB committed to invest $28 million in Real Estate Fund II. As of December 31, 2017, AB funded $10 million of this commitment. During 2012, AB entered into an investment agreement under which it committed to invest up to $8 million in an oil and gas fund over a three-year period. As of December 31, 2017, AB had funded $6 million of this commitment. AB has not been required to perform under any of the above agreements and currently have no liability in connection with these agreements.

INSURANCE GROUP STATUTORY FINAN

INSURANCE GROUP STATUTORY FINANCIAL INFORMATION	12 Months Ended
	Dec. 31, 2017
Investments, All Other Investments [Abstract]
INSURANCE GROUP STATUTORY FINANCIAL INFORMATION	17) INSURANCE GROUP STATUTORY FINANCIAL INFORMATION AXA Equitable Life, MLOA, USFL, AXA Equitable Life and Annuity (“AXA Equitable L&A”) and ACS Life are restricted as to the amounts they may pay as dividends and amounts it may repay of surplus notes to Holdings. Under the applicable states’ insurance law, a domestic life insurer may not, without prior approval of the Superintendent, pay a dividend to its shareholders exceeding an amount calculated based on a statutory formula. This formula would permit AXA Equitable Life to pay shareholder dividends not greater than approximately $1,242 million during 2018. Payment of dividends exceeding this amount requires the insurer to file a notice of its intent to declare such dividends with the applicable state’s Superintendent who then has 30 days to disapprove the distribution. This formula would not permit MLOA, USFL, AXA Equitable L&A and ACS Life to pay a dividend in 2018. For 2017, 2016, and 2015, respectively, AXA Equitable Life’s, MLOA’s, USFL’s, AXA Equitable L&A’s and ACS Life’s combined statutory net income (loss) totaled $942 million, $656 million and $2,042 million. Statutory surplus, capital stock and Asset Valuation Reserve (“AVR”) totaled $8,573 million and $5,893 million at December 31, 2017 and 2016, respectively. In 2017 , AXA Equitable Life did not pay shareholder dividends and in 2016, AXA Equitable Life paid $1,050 million in shareholder dividends. In 2015, AXA Equitable Life paid $767 million in shareholder dividends and transferred approximately 10.0 million in Units of AB (fair value of $245 million) in the form of a dividend to AXA Equitable Financial Services, LLC. At December 31, 2017, AXA Equitable Life, MLOA, USFL, AXA Equitable L&A and ACS Life, in accordance with various government and state regulations, had $85 million of securities on deposit with such government or state agencies. In 2015, AXA Equitable Life, with the approval of the NYDFS, repaid $200 million of third party surplus notes at maturity. In 2015 ACS Life with the approval of Delaware Department of Insurance repaid $242 million of surplus notes to Holdings prior to maturity. At December 31, 2017 and for the year then ended, for AXA Equitable Life, MLOA, USFL and AXA Equitable L&A there were no differences in net income (loss) and capital and surplus resulting from practices prescribed and permitted by NYDFS, the Arizona Department of Insurance (the “AID”) and those prescribed by NAIC Accounting Practices and Procedures effective at December 31, 2017. At December 31, 2017 ACS Life had a difference in capital and surplus based on the investment valuation of the Captive reinsurance subsidiary which follows a special purpose framework for Statutory reporting as agreed to with the AID from practices prescribed and permitted by the Delaware Department of Insurance and those prescribed by NAIC Accounting Practices and Procedures effective at December 31, 2017. The impact of this permitted practice increased the statutory surplus and AVR of ACS Life by $103 million and $157 million at December 31, 2017 and 2016, respectively. ACS Life’s risk-based capital would have triggered a regulatory event without the use of this permitted practice in 2016. AXA Equitable Life, USFL and MLOA cede a portion of their statutory reserves to AXA Arizona RE, a captive reinsurer, as part of the Company’s capital management strategy. AXA Arizona RE prepares financial statements in a special purpose framework for statutory reporting. Accounting practices used to prepare statutory financial statements for regulatory filings of stock life insurance companies differ in certain instances from GAAP. The differences between statutory surplus and capital stock determined in accordance with Statutory Accounting Principles (“SAP”) and total equity under GAAP are primarily: (a) the inclusion in SAP of an AVR intended to stabilize surplus from fluctuations in the value of the investment portfolio; (b) future policy benefits and policyholders’ account balances under SAP differ from GAAP due to differences between actuarial assumptions and reserving methodologies; (c) certain policy acquisition costs are expensed under SAP but deferred under GAAP and amortized over future periods to achieve a matching of revenues and expenses; (d) under SAP, Federal income taxes are provided on the basis of amounts currently payable with limited recognition of deferred tax assets while under GAAP, deferred taxes are recorded for temporary differences between the financial statements and tax basis of assets and liabilities where the probability of realization is reasonably assured; (e) the valuation of assets under SAP and GAAP differ due to different investment valuation and depreciation methodologies, as well as the deferral of interest-related realized capital gains and losses on fixed income investments; (f) the valuation of the investment in AB and AB Holding under SAP reflects a portion of the market value appreciation rather than the equity in the underlying net assets as required under GAAP; (g) reporting the surplus notes as a component of surplus in SAP but as a liability in GAAP; (h) computer software development costs are capitalized under GAAP but expensed under SAP; (i) certain assets, primarily prepaid assets, are not admissible under SAP but are admissible under GAAP, (j) the fair valuing of all acquired assets and liabilities including VOBA and intangible assets are required for GAAP purchase accounting and (k) cost of reinsurance which is recognized as expense under SAP and amortized over the life of the underlying reinsured policies under GAAP.

BUSINESS SEGMENT INFORMATION

BUSINESS SEGMENT INFORMATION	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Segment Reporting [Abstract]
BUSINESS SEGMENT INFORMATION	BUSINESS SEGMENT INFORMATION The Company has four reportable segments: Individual Retirement, Group Retirement, Investment Management and Research and Protection Solutions. The Company changed its segment presentation in the fourth quarter 2017. The segment disclosures are based on the intention to provide the users of the financial statements with a view of the business from the Company’s perspective. As a result, the Company determined that it is more useful for a user of the financial statements to assess the historical performance on the basis which management currently evaluates the business. The reportable segments are based on the nature of the business activities. These segments reflect the manner by which the Company’s chief operating decision maker views and manages the business. A brief description of these segments follows: • The Individual Retirement segment offers a diverse suite of variable annuity products which are primarily sold to affluent and high net worth individuals saving for retirement or seeking retirement income. • The Group Retirement segment offers tax-deferred investment and retirement plans to be sponsored by educational entities, municipalities and not-for-profit entities as well as small and medium-sized businesses. • The Investment Management and Research segment provides diversified investment management, research and related solutions globally to a broad range of clients through three main client channels- Institutional, Retail and Private Wealth Management and distributes its institutional research products and solutions through Bernstein Research Services. • The Protection Solutions segment includes our life insurance and group employee benefits businesses. Our life insurance business offers a variety of variable universal life, universal life and term life products to help affluent and high net worth individuals, as well as small and medium-sized business owners, with their wealth protection, wealth transfer and corporate needs. Our group employee benefits business offers a suite of dental, vision, life, and short- and long-term disability and other insurance products to small and medium-size businesses across the United States. Measurement Operating earnings (loss) is the financial measure which primarily focuses on the Company’s segments’ results of operations as well as the underlying profitability of the Company’s core business. By excluding items that can be distortive and unpredictable such as investment gains (losses) and investment income (loss) from derivative instruments, the Company believes operating earnings (loss) by segment enhances the understanding of the Company’s underlying drivers of profitability and trends in the Company’s segments. In the first quarter of 2018, the Company revised its Operating earnings definition as it relates to the treatment of certain elements of the profitability of its variable annuity products with indexed-linked features to align to the treatment of its variable annuity products with GMxB features. In addition, adjustments for variable annuity products with index-linked features previously included within Other adjustments in the calculation of Non-GAAP Operating Earnings are now included with the adjustments for variable annuity products with GMxB features in the broader adjustment category, Variable annuity product features. In order to improve the consistency and comparability of the financial statements, management revised the Notes to the Consolidated Financial Statements for the six months ended June 30, 2017, nine months ended September 30, 2017 and the year ended December 31, 2017 to include the revisions discussed herein. Operating earnings is calculated by adjusting each segment’s Net income (loss) attributable to Holdings for the following items: • Items related to Variable annuity product features which include certain changes in the fair value of the derivatives and other securities we use to hedge these features, the effect of benefit ratio unlock adjustments and changes in the fair value of the embedded derivatives reflected within Variable annuity products’ net derivative results ; • Investment (gains) losses, which includes other-than-temporary impairments of securities, sales or disposals of securities/investments, realized capital gains/losses and valuation allowances; • Goodwill impairment, which includes a write-down of goodwill in the first quarter of 2017. • Net actuarial (gains) losses, which includes actuarial gains and losses as a result of differences between actual and expected experience on pension plan assets or projected benefit obligation during a given period related to pension, other postretirement benefit obligations, and the one-time impact of the settlement of the defined benefit obligation; • Other adjustments, which includes restructuring costs related to severance, lease write-offs related to non-recurring restructuring activities and separation costs; and • Income tax expense (benefit) related to the above items and non-recurring tax items, which includes the effect of uncertain tax positions for a given audit period, permanent differences due to goodwill impairment, and the Tax Reform Act. Revenues derived from any customer did not exceed 10% of revenues for the three and nine months ended September 30, 2018 and 2017 . The table below presents operating earnings (loss) by segment and Corporate and Other and a reconciliation to Net income (loss) attributable to Holdings for the three and nine months ended September 30, 2018 and 2017 , respectively: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net income (loss) attributable to Holdings $ (496 ) $ 10 $ (118 ) $ 351 Adjustments related to: Variable annuity product features 1,403 507 1,829 738 Investment (gains) losses 36 11 (44 ) 32 Goodwill impairment — — — 369 Net actuarial (gains) losses related to pension and other postretirement benefit obligations 24 34 182 101 Other adjustments 51 56 229 61 Income tax expense (benefit) related to above adjustments (409 ) (35 ) (461 ) (446 ) Non-recurring tax items 84 (183 ) 45 (92 ) Non-GAAP Operating Earnings $ 693 $ 400 $ 1,662 $ 1,114 Operating earnings (loss) by segment: Individual Retirement $ 434 $ 326 $ 1,207 $ 844 Group Retirement 134 85 287 193 Investment Management and Research 96 45 274 138 Protection Solutions 137 (3 ) 160 54 Corporate and Other (1) (108 ) (53 ) (266 ) (115 ) __________________ (1) Includes interest expense of $65 million , $31 million , $171 million and $104 million , for the three and nine months ended September 30, 2018 and 2017 , respectively. Segment revenues are a measure of the Company’s revenue by segment as adjusted to exclude certain items. The following table reconciles segment revenues to Total revenues by excluding the following items: • Items related to variable annuity product features, which include certain changes in the fair value of the derivatives and other securities we use to hedge these features and changes in the fair value of the embedded derivatives reflected within the net derivative results of variable annuity product features; • Investment gains (losses), which include other-than-temporary impairments of securities, sales or disposals of securities/investments, realized capital gains/losses, and valuation allowances; and • Other adjustments, which includes the impact of adoption of revenue recognition standard ASC 606. The table below presents segment revenues for the three and nine months ended September 30, 2018 and 2017 : Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Segment revenues: Individual Retirement (1) $ 1,070 $ 998 $ 2,873 $ 3,058 Group Retirement (1) 262 248 745 685 Investment Management and Research (2) 851 792 2,602 2,307 Protection Solutions (1) 774 798 2,378 2,330 Corporate and Other (1) 280 288 861 965 Adjustments related to: Variable annuity product features (2,125 ) (326 ) (2,539 ) 162 Investment gains (losses) (36 ) (11 ) 44 (32 ) Other adjustments to segment revenues 7 19 (41 ) 63 Total revenues $ 1,083 $ 2,806 $ 6,923 $ 9,538 ________________ (1) Includes investment expenses charged by AB of approximately $13 million , $15 million , $49 million and $46 million for the three and nine months ended September 30, 2018 and 2017 , respectively, for services provided to the Company. (2) Inter-segment investment management and other fees of approximately $25 million , $22 million , $75 million and $67 million for the three and nine months ended September 30, 2018 and 2017 , respectively, are included in total revenues of the Investment Management and Research segment. The table below presents Total assets by segment as of September 30, 2018 and December 31, 2017 : September 30, December 31, (in millions) Total assets by segment: Individual Retirement $ 111,890 $ 121,713 Group Retirement 43,398 38,578 Investment Management and Research (1) 10,038 10,057 Protection Solutions (1) 48,124 43,157 Corporate and Other (1) 21,001 22,110 Total assets $ 234,451 $ 235,615 ________________ (1) Amounts for December 31, 2017 as previously reported were: Investment Management and Research of $8,297 million , Protection Solutions of $43,116 million and Corporate and Other of $23,934 million .	18) BUSINESS SEGMENT INFORMATION The Company has four reportable segments: Individual Retirement, Group Retirement, Investment Management and Research and Protection Solutions. The Company changed its segment presentation in the fourth quarter 2017. The segment disclosures are based on the intention to provide the users of the financial statements with a view of the business from the Company’s perspective. As a result, the Company determined that it is more useful for a user of the financial statements to assess the historical performance on the basis which management currently evaluates the business. The reportable segments are based on the nature of the business activities, as they exist as of the initial filing date. These segments reflect the manner by which the Company’s chief operating decision maker views and manages the business. A brief description of these segments follows: • The Individual Retirement segment offers a diverse suite of variable annuity products which are primarily sold to affluent and high net worth individuals saving for retirement or seeking retirement income. • The Group Retirement segment offers tax-deferred not-for-profit medium-sized • The Investment Management and Research segment provides diversified investment management, research and related solutions globally to a broad range of clients through three main client channels-Institutional, Retail and Private Wealth Management-and • The Protection Solutions segment includes our life insurance and group employee benefits businesses. Our life insurance business offers a variety of variable universal life, universal life and term life products to help affluent and high net worth individuals, as well as small and medium-sized medium-size Measurement Operating earnings (loss) is the financial measure which primarily focuses on the Company’s segments’ results of operations as well as the underlying profitability of the Company’s core business. By excluding items that can be distortive and unpredictable such as investment gains (losses) and investment income (loss) from derivative instruments, the Company believes operating earnings (loss) by segment enhances the understanding of the Company’s underlying drivers of profitability and trends in the Company’s segments. In the first quarter of 2018, the Company revised its Operating earnings definition as it relates to the treatment of certain elements of the profitability of its variable annuity products with indexed-linked features to align to the treatment of its variable annuity products with GMxB features. In addition, adjustments for variable annuity products with index-linked features previously included within Other adjustments in the calculation of Non-GAAP Operating earnings is calculated by adjusting each segment’s Net income (loss) attributable to Holdings for the following items: • Items related to Variable annuity product features which include certain changes in the fair value of the derivatives and other securities we use to hedge these features, the effect of benefit ratio unlock adjustments; • Investment (gains) losses, which includes other-than-temporary impairments of securities, sales or disposals of securities/investments, realized capital gains/losses and valuation allowances; • Goodwill impairment, which includes a write-down of goodwill in first quarter of 2017; • Net actuarial (gains) losses, which includes actuarial gains and losses as a result of differences between actual and expected experience on pension plan assets or projected benefit obligation during a given period related to pension and other postretirement benefit obligations; • Other adjustments including restructuring costs related to severance, lease write-offs related to non-recurring • Income tax expense (benefit) related to the above items and non-recurring Revenues derived from any customer did not exceed 10% of revenues for the years ended December 31, 2017, 2016 and 2015. The table below presents operating earnings (loss) by segment and Corporate and Other and a reconciliation to Net income (loss) attributable to Holdings for the years ended December 31, 2017, 2016 and 2015, respectively: Years Ended December 31, 2017 2016 (as restated) 2015 (in millions) Net income (loss) attributable to Holdings 834 1,254 325 Adjustments related to: Variable annuity product features 1,107 2,143 1,778 Investment (gains) losses 191 (1,983 ) 15 Goodwill impairment 369 — — Net actuarial (gains) losses related to pension and other postretirement benefit obligations 135 140 137 Other adjustments 119 (7 ) (130 ) Income tax expense (benefit) related to above adjustments (644 ) (93 ) (615 ) Non-recurring (76 ) (63 ) (103 ) Non-GAAP $ 2,035 $ 1,391 $ 1,407 Operating earnings (loss) by segment: Individual Retirement 1,252 1,167 1,091 Group Retirement 283 167 169 Investment Management and Research 211 161 173 Protection Solutions 502 77 114 Corporate and Other (1) (213 ) (181 ) (140 ) (1) Includes interest expense of $138 million, $161 million, and $131 million, in 2017, 2016 and 2015, respectively. Segment revenues is a measure of the Company’s revenue by segment as adjusted to exclude certain items. The following table reconciles segment revenues to Total revenues by excluding the following items: • Items related to variable annuity product features, which include certain changes in the fair value of the derivatives and other securities we use to hedge these features and changes in the fair value of the embedded derivatives reflected within the net derivative results of variable annuity product features; • Investment gains (losses), which include other-than-temporary impairments of securities, sales or disposals of securities/investments, realized capital gains/losses, and valuation allowances; and • Other adjustments, which includes investment income (loss) from certain derivative instruments, excluding derivative instruments used to hedge risks associated with interest margins on interest sensitive life and annuity contracts, separate account fee hedges, and freestanding and embedded derivatives associated with products with GMxB features. The table below presents segment revenues and Corporate and Other revenues for the years ended December 31, 2017, 2016 and 2015. Years Ended December 31, 2017 2016 (as restated) 2015 (in millions) Segment revenues: Individual Retirement (1) 4,374 3,703 3,202 Group Retirement (1) 942 801 795 Investment Management and Research (2) 3,216 2,933 3,024 Protection Solutions (1) 3,057 3,129 2,977 Corporate and Other (1) 1,212 1,256 1,405 Adjustments: Variable annuity product features (214 ) (2,132 ) (1,455 ) Investment gains (losses) (191 ) 1,983 (15 ) Other adjustments to segment revenues 64 90 110 Total revenues 12,460 11,763 10,043 (1) Includes investment expenses charged by AB of approximately $68 million, $60 million, and $57 million for 2017, 2016 and 2015, respectively, for services provided to the Company. (2) Inter-segment investment management and other fees of approximately $96 million, $86 million, and $84 million for 2017, 2016 and 2015, respectively, are included in segment revenues of the Investment Management and Research segment. The table below presents total assets by segment and Corporate and Other as of December 31, 2017 and 2016: December 31, 2017 2016 (as restated) (in millions) Total assets by segment: Individual Retirement $ 121,713 $ 104,857 Group Retirement $ 38,578 $ 32,805 Investment Management and Research $ 10,057 $ 10,065 Protection Solutions $ 43,157 $ 44,457 Corporate and Other $ 22,110 $ 24,461 Total assets $ 235,615 $ 216,645

EARNINGS PER SHARE

EARNINGS PER SHARE	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
EARNINGS PER SHARE	EARNINGS PER SHARE Basic earnings per share (“EPS”) is calculated by dividing net income (loss) attributable to Holdings common shareholders by the weighted-average number of common shares outstanding during the period. Diluted EPS is calculated by dividing the net income (loss) attributable to Holdings common shareholders, adjusted for the incremental dilution from AB, by the weighted-average number of common shares outstanding for the period plus the shares representing the dilutive effect of share-based awards. On April 24, 2018, a 459.4752645 -for-1 stock split of the common stock of Holdings was effected. All applicable share data, per share amounts and related information in the consolidated financial statements and notes thereto have been adjusted retroactively to give effect to the stock split. The following table presents the reconciliation of the numerator for the basic and diluted net income per share calculations: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net income (loss) attributable to Holdings common shareholders: Net income (loss) attributable to Holdings common shareholders (basic): $ (496 ) $ 10 $ (118 ) $ 351 Less: Incremental dilution from AB (1) — — — — Net income (loss) attributable to Holdings common shareholders (diluted): $ (496 ) $ 10 $ (118 ) $ 351 ____________________ (1) The incremental dilution from AB represents the impact of AB’s dilutive units on the Company’s diluted earnings per share and is calculated based on the Company’s proportionate ownership interest in AB. The following table presents the number of weighted average shares used in calculating basic and diluted earnings per common share: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Weighted Average Shares: Weighted average common stock outstanding for basic earnings per common share 560.3 561.0 560.8 561.0 Effect of dilutive securities: Employee stock awards — — — — Weighted average common stock outstanding for diluted earnings per common share 560.3 561.0 560.8 561.0 For the three and nine months ended September 30, 2018 , approximately 3.8 million and 3.8 million shares of outstanding stock awards were not included in the computation of diluted earnings per share because their effect was anti-dilutive. The following table presents both basic and diluted income (loss) per share for each period presented: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (dollars per share) Net income (loss) attributable to Holdings per common share: Basic $ (0.89 ) $ 0.02 $ (0.21 ) $ 0.63 Diluted $ (0.89 ) $ 0.02 $ (0.21 ) $ 0.63	19) EARNINGS PER SHARE Basic earnings per share (“EPS”) is calculated by dividing net income (loss) attributable to Holdings common shareholders by the weighted-average number of common shares outstanding during the period. Diluted EPS is calculated by dividing the net income (loss) attributable to Holdings common shareholders adjusted for the incremental dilution from AB by the weighted-average number of common shares used in the basic EPS calculation. On April 24, 2018, Holdings filed a Certificate of Amendment to amend Holdings’ Certificate of Incorporation in the State of Delaware, authorizing the issuance of 2,000,000,000 shares of common stock, par value $0.01 per share, and effecting a 459.4752645-for-1 common stock split. All applicable share data, per share amounts and related information in the consolidated financial statements and notes thereto have been adjusted retroactively to give effect to the 459.4752645-for-1 common stock split. The following table presents the weighted average shares used in calculating basic and diluted earnings per common share: Years Ended December 31, 2017 2016 2015 (in millions) Weighted Average Shares Weighted average common stock outstanding for basic earnings per common share 561 561 561 Weighted average common stock outstanding for basic and diluted earnings per common share 561 561 561 The following table presents the reconciliation of the numerator for the basic and diluted net income per share calculations: Years Ended December 31, 2017 2016 2015 (in millions) Net income (loss) attributable to Holdings common shareholders: Net income (loss) attributable to Holdings common shareholders (basic): $ 834 $ 1,254 $ 325 Less: Incremental dilution from AB (1) $ 1 $ — $ 1 Net income (loss) attributable to Holdings common shareholders (diluted): $ 833 $ 1,254 $ 324 (1) The incremental dilution from AB represents the impact of AB’s dilutive units on the Company’s diluted earnings per share and is calculated based on the Company’s proportionate ownership interest in AB. The following table presents both basic and diluted income (loss) per share for each period presented: Years Ended December 31, 2017 2016 2015 in dollar per share Net income (loss) attributable to Holdings per common share: Basic $ 1.49 $ 2.24 $ 0.58 Diluted $ 1.48 $ 2.24 $ 0.58

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS AXA Financial Merger On October 1, 2018, AXA Financial merged with and into its direct parent, Holdings, with Holdings continuing as the surviving entity (the “Merger”). As a result of the Merger, Holdings assumed all of AXA Financial’s liabilities, including its obligations under the Senior Debentures, two assumption agreements under which it legally assumed primary liability for certain employee benefit plans of AXA Equitable Life and various guarantees for its subsidiaries. Holdings also replaced AXA Financial as a party to the $2 billion commercial paper program initiated by AXA and AXA Financial in June 2009. Holdings was removed as an issuer under the program in October 2018. Employee Stock Purchase Plan On September 21, 2018, Holdings’ Board of Directors approved the AXA Equitable Holdings, Inc. Stock Purchase Plan (the “Plan”), a non-qualified stock purchase plan pursuant to which eligible financial professionals and employees of Holdings and its affiliates may make monthly purchases of common stock. The holder of a majority of the outstanding shares of our common stock executed a written consent approving the adoption of the Plan on November 1, 2018. Cash Dividend Declared On November 9, 2018, Holdings declared a cash dividend of $0.13 per common share, payable on December 3, 2018 to all stockholders of record as of the close of business on November 26, 2018. Increase in Share Buyback Authorization On November 9, 2018, Holdings’ Board of Directors approved a $300 million increase to Holdings’ share repurchase program, bringing the total authorization to $800 million . The $800 million share repurchase authorization expires on March 31, 2019 (unless extended) and does not obligate Holdings to purchase any shares. Under this program, through September 30, 2018, Holdings has repurchased approximately 2.5 million shares of common stock at a total cost of approximately $57 million .	20) SUBSEQUENT EVENTS The Company has evaluated subsequent events through April 6, 2018, the date the financial statements were available to be issued. In January 2018, AXA pre-paid In December 2013, Colisée Re issued a $145 million 4.75% Senior Unsecured Note to Holdings. The loan was scheduled to mature on December 19, 2028. This loan was repaid on March 26, 2018. Effective February 1, 2018, AXA Equitable Life entered into a coinsurance reinsurance agreement to cede 90% of its single premium deferred annuities (SPDA) products issued between 1978-2001 and its Guaranteed Growth Annuity (GGA) single premium deferred annuity products issued between 2001-2014. As a result of this agreement, AXA Equitable transferred assets with a market value equal to the statutory reserves of approximately $635 million. In March 2018, AXA Equitable Life sold its interest in two real estate joint ventures to AXA France for a total purchase price of approximately $143 million, which resulted in the elimination of $203 million of long-term debt on the Company’s balance sheet for the first quarter of 2018. In February 2018, Holdings entered into the following credit facilities: (i) a $3.9 billion two-year Subsequent to entering into these credit facilities, Holdings entered into a waiver letter agreement with the lenders under each of our credit facilities and the letter of credit facilities, pursuant to which the lenders waived any default or event of default under such facilities resulting from the restatement of our annual financial statements for the year ended December 31, 2016, the restatement of our interim financial statements for the nine months ended September 30, 2017 and for the six months ended June 30, 2017, the failure to furnish audited financial statements for the year ended December 31, 2017 on a timely basis as required by such facilities and related matters. In March 2018, Holdings sold its shares of AXA America Corporate Solutions, Inc. (“AXA CS”) to AXA. Holdings’ repayment obligation to AXA in respect of a $622 million loan made by AXA to Holdings in December 2017 was set off against AXA’s payment obligation to Holdings with respect to the sale of AXA CS shares and AXA paid Holdings the balance of the purchase price in cash. In March 2018, AXA contributed the 0.5% minority interest in AXA Financial to Holdings so that Holdings now owns 100% of AXA Financial. In March 2018, the Company entered into an agreement to purchase a group annuity contact with the intent of settling certain retiree qualified pension liabilities. Completion of the transaction is estimated to result in elimination of approximately 8% of the Company’s consolidated projected pension benefit obligation. Events subsequent to the original issuance of the consolidated financial statements (unaudited): In connection with the reissuance of the financial statements, the Company has evaluated subsequent events through November 13, 2018, the date the financial statements were available to be reissued. On April 11, 2018, AXA Equitable Life restated its 2016 financial statements, which caused defaults under certain of AXA Equitable Life’s derivative agreements. AXA Equitable Life sought waivers for these defaults from the relevant counterparties as appropriate and obtained all such waivers on April 11, 2018. We do not consider this to have a material impact on our business, results of operations or financial condition. On April 20, 2018, Holdings: • issued $800 million aggregate principal amount of 3.900% Senior Notes due 2023, $1.5 billion aggregate principal amount of 4.350% Senior Notes due 2028 and $1.5 billion aggregate principal amount of 5.000% Senior Notes due 2048 (together, the “Notes”); • delivered a termination notice, to take effect April 23, 2018, for its $3.9 billion two-year • settled certain loans issued to or received from AXA and its affiliates resulting in a net payment to AXA and its affiliates of $2,530 million in principal and $11 million of accrued interest. On April 20, 2018, AXA pre-paid On April 12, 2018, the GMxB Unwind was completed. As a result of the GMxB Unwind, we no longer benefit from the $1.5 billion revolving credit facility with AXA. On April 23, 2018, Holdings used a portion of the net proceeds from the sale of the Notes, together with available cash, to (i) purchase 100% of the shares of AXA IM Holding US for approximately $873 million and (ii) purchase all of the AB Units held by Coliseum Re for approximately $217 million. The Company’s $185 million loan to AXA IM Holding US was settled as part of the purchase of AXA IM Holding US. 2018 Short-Term Incentive Compensation Program and Equity-Based Awards STIC Program On April 25, 2018, the Board of Directors approved a Short-Term Incentive Plan. Certain executive officers will be eligible for an award under the 2018 program under the STIC Plan (the “2018 STIC Program”). The 2018 STIC Program will differ from prior programs by: • determining funding based solely on the performance of AXA Financial R&P Operations against its targets, rather than a mix of its performance and AXA’s performance; and • incorporating performance objectives that reflect AXA Financial R&P Operations’ key performance indicators, rather than objectives based on AXA’s strategy and focus. The potential funding percentage for the 2018 STIC Program will range from 0% to 200% of target, consistent with peer payout ranges. The funding percentage will be allocated to business units based on the Company’s Chief Executive Officer’s assessment of business unit performance, provided that the funding for corporate staff will solely reflect company performance. Expected performance objectives and weightings for the 2018 STIC Program are as follows: Performance Objective Weighting Non-GAAP 50% Premiums and Flows 25% Strategic Goals 25% For this purpose, the “strategic goals” category will focus on the milestones needed to ensure that the Company transitions successfully to a standalone entity such as General Account optimization, IT systems implementations, position relocations and key staffing. Transaction Incentive Grants On April 25, 2018, the Board of Directors approved a grant of one-time All Transaction Incentive Awards will be paid in the form of restricted stock units linked to the value of Holdings’ stock to further align the interests of our executive officers with those of our stockholders. The amount of the restricted stock units granted to each executive officer will be determined by dividing the executive officers’ actual award value by the offering price. Fifty percent of each executive officer’s restricted stock units will vest based on continued service (the “Service Units”) and fifty percent will vest based on the performance of the Company’s share price (“Performance Units”) as follows: Type of Units Vesting Requirements Service Units •  50% of the Service Units will vest upon the expiration of the lock-up •  25% of the Service Units will vest on the first anniversary of the offering date; and •  25% of the Service Units will vest on the second anniversary of the offering date. Performance Units •  Condition #1 - if, prior to the second anniversary of the offering date, the average closing price of the Company’s share for thirty consecutive days is at least equal to 130% of the offering price, all Performance Units will immediately vest; •  Condition #2 - if Condition #1 is not met but, prior to the fifth anniversary of the offering date, the average closing price of the Company’s share for thirty consecutive days is at least equal to 150% of the offering price, all Performance Units will immediately vest; and •  Condition #3 - if neither Condition #1 or Condition #2 is met, fifty percent of the Performance Units will vest on the fifth anniversary of the offering date. The remaining 50% of the Performance Units will be forfeited. Unvested restricted stock units will be forfeited upon termination of employment, except as follows: Termination Type Retention Involuntary Termination A pro-rated Death All restricted stock units will be immediately vested. Disability All restricted stock units will continue to vest as if the individual continued employment. Other All restricted stock units will be forfeited. Other Equity-Based Awards On April 25, 2018, the Board of Directors approved certain other equity-based awards for executive officers. Certain of the Company’s executive officers will receive an equity-based award in 2018 linked to the Company’s stock as follows. The award will consist of three components: (a) Company performance shares (50%), (b) Company stock options (25%) and (c) Company restricted stock units (25%). To determine the amount of Company restricted stock units to be granted to each specified executive officer, the applicable percentage of his total award value will be divided by the fair market value of the Company’s stock on the grant date. To determine the amount of Company stock options to be granted to each specified executive officer, 25% of his or her total award value will be divided by the value of a Company stock option on the grant date which will be determined using a Black-Scholes pricing methodology based on assumptions which may differ from the assumptions used in determining the option’s grant date fair value based on FASB ASC Topic 718. The Company stock options and restricted stock units will each vest ratably over three years while the Company performance shares grants will cliff vest after three years. Company performance shares will be granted unearned and will be earned over the vesting period based on the Company’s performance against performance objectives based on Relative Total Shareholder Return and Non-GAAP Both Company performance shares and restricted stock units will receive dividend equivalents with the same vesting schedule as the related shares or units. On October 1, 2018, AXA Financial merged with and into its direct parent, Holdings, with Holdings continuing as the surviving entity (the “Merger”). As a result of the Merger, Holdings assumed all of AXA Financial’s liabilities, including its obligations under the Senior Debentures, two assumption agreements under which it legally assumed primary liability for certain employee benefit plans of AXA Equitable Life and various guarantees for its subsidiaries. Cash Dividend Declared On August 10, 2018, Holdings declared a cash dividend of $0.13 per common share, payable on August 30, 2018 to all stockholders of record as of the close of business on August 23, 2018. Share Repurchase Program On August 10, 2018, Holdings’ Board of Directors authorized a share repurchase program. Under the program, Holdings may purchase up to $500 million of its common stock beginning August 16, 2018 and expiring on March 31, 2019. Holdings may choose to suspend or discontinue the repurchase program at any time. The repurchase program does not obligate Holdings to purchase any particular number of shares. As of September 30, 2018, Holdings had repurchased 2,502,194 shares of its common stock. Commercial Paper As a result of the Merger on October 1, 2018, Holdings replaced AXA Financial as an issuer under the AXA Financial commercial paper program. Holdings was removed as an issuer under the program in October 2018. Employee Stock Purchase Plan On September 21, 2018, Holdings’ Board of Directors approved the AXA Equitable Holdings, Inc. Stock Purchase Plan (the “Plan”), a non-qualified stock purchase plan pursuant to which eligible financial professionals and employees of Holdings and its affiliates may make monthly purchases of common stock. The holder of a majority of the outstanding shares of our common stock executed a written consent approving the adoption of the Plan on November 1, 2018. Cash Dividend Declared On November 9, 2018, Holdings declared a cash dividend of $0.13 per common share, payable on December 3, 2018 to all stockholders of record as of the close of business on November 26, 2018. Increase in Share Buyback Authorization On November 9, 2018, Holdings’ Board of Directors approved a $300 million increase to Holdings’ share repurchase program, bringing the total authorization to $800 million. The $800 million share repurchase authorization expires on March 31, 2019 (unless extended) and does not obligate Holdings to purchase any shares. Under this program, through September 30, 2018, Holdings has repurchased approximately 2.5 million shares of common stock at a total cost of approximately $57 million.

SCHEDULE I - SUMMARY OF INVESTM

SCHEDULE I - SUMMARY OF INVESTMENTS-OTHER THAN INVESTMENTS IN RELATED PARTIES	12 Months Ended
	Dec. 31, 2017
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]
SCHEDULE I - SUMMARY OF INVESTMENTS-OTHER THAN INVESTMENTS IN RELATED PARTIES	AXA EQUITABLE HOLDINGS, INC. SCHEDULE I SUMMARY OF INVESTMENTS—OTHER THAN INVESTMENTS IN RELATED PARTIES AS OF DECEMBER 31, 2017 Cost (1) Fair Value Carrying Value (in millions) Fixed Maturities U.S. government, agencies and authorities $ 17,759 $ 18,508 $ 18,508 State, municipalities and political subdivisions 422 489 489 Foreign governments 383 405 405 Public utilities 4,061 4,261 4,261 All other corporate bonds 20,448 21,217 21,217 Residential mortgage-backed 797 818 818 Asset-backed 740 744 744 Redeemable preferred stocks 458 499 499 Total fixed maturities $ 45,068 $ 46,941 $ 46,941 Mortgage loans on real estate 10,960 10,912 10,952 Real estate held for the production of income 390 390 390 Policy loans 3,819 4,754 3,819 Other equity investments 1,384 1,392 1,392 Trading securities 14,129 14,170 14,170 Other invested assets 4,118 4,118 4,118 Total Investments $ 79,868 $ 82,677 $ 81,782 (1) Cost for fixed maturities represents original cost, reduced by repayments and writedowns and adjusted for amortization of premiums or accretion of discount; cost for equity securities represents original cost reduced by writedowns; cost for other limited partnership interests represents original cost adjusted for equity in earnings and reduced by distributions.

SCHEDULE II - Condensed Financi

SCHEDULE II - Condensed Financial Information of Parent Company	12 Months Ended
	Dec. 31, 2017
Condensed Financial Information Disclosure [Abstract]
SCHEDULE II - Condensed Financial Information of Parent Company	AXA EQUITABLE HOLDINGS, INC. SCHEDULE II BALANCE SHEETS (PARENT COMPANY) DECEMBER 31, 2017 AND 2016 2017 As Restated 2016 (in millions) ASSETS Investment in consolidated subsidiaries $ 13,772 $ 12,012 Total investments 13,772 12,012 Cash and cash equivalents 44 5 Loans to affiliates 1,045 145 Other assets 1 — Income taxes receivable 72 58 Total Assets $ 14,934 $ 12,220 LIABILITIES Loans from affiliates $ 1,484 $ 809 Accrued liabilities 29 4 Total liabilities 1,513 813 EQUITY ATTRIBUTABLE TO HOLDINGS Common stock, $0.01 par value, 2,000,000,000 shares authorized and 561,000,000 issued and outstanding 6 6 Capital in excess of par value 1,298 931 Retained earnings 12,225 11,391 Accumulated other comprehensive income (loss) (108 ) (921 ) Total equity attributable to Holdings 13,421 11,407 Total liabilities and equity attributable for Holdings $ 14,934 $ 12,220 The financial information of AXA Equitable Holdings, Inc. should be read in conjunction with the Consolidated Financial Statements and Notes thereto. AXA EQUITABLE HOLDINGS, INC. SCHEDULE II STATEMENTS OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) PARENT COMPANY) YEARS ENDED DECEMBER 31, 2017, 2016, AND 2015 2017 As Restated 2016 2015 (in millions) REVENUES Equity in income (losses) from continuing operations of consolidated subsidiaries $ 863 $ 1,293 $ 353 Total net investment income (loss) 8 7 15 Other income — — 2 Total revenues $ 871 $ 1,300 $ 370 EXPENSES Interest expense $ 31 $ 27 $ 23 Other operating costs and expenses 22 26 24 Total expenses $ 53 $ 53 $ 47 Income (loss) from continuing operations, before income taxes 818 1,247 323 Income tax (expense) benefit 16 7 2 Net income (loss) attributable to Holdings $ 834 $ 1,254 $ 325 Other comprehensive income (loss) $ 816 $ (276 ) $ (937 ) Total comprehensive income (loss) attributable to Holdings $ 1,647 $ 1,010 $ (590 ) The financial information of AXA Equitable Holdings, Inc. should be read in conjunction with the Consolidated Financial Statements and Notes thereto. AXA EQUITABLE HOLDINGS, INC. SCHEDULE II STATEMENTS OF CASH FLOWS (PARENT COMPANY) YEARS ENDED DECEMBER 31, 2017, 2016, AND 2015 2017 As Restated 2016 2015 (in millions) Net income (loss) attributable to Holdings $ 834 $ 1,254 $ 325 Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Equity in net (earnings) loss of subsidiaries (863 ) (1,293 ) (353 ) Change in income tax receivable (14 ) (6 ) (258 ) Dividend from Subsidiary 20 — — Other 24 27 23 Net cash provided by (used in) operating activities $ 1 $ (18 ) $ (263 ) Cash flows from investing activities: Repayments of loans to affiliates — — 242 Additional loans to affiliates (900 ) — — Purchase of shares of consolidated subsidiaries (55 ) — — Net cash provided by (used in) investing activities $ (955 ) $ — $ 242 Cash flows from financing activities: Change in short-term financings — — 1 Proceeds from loans from affiliates 731 — 394 Repayments of loans from affiliates (56 ) — (933 ) Capital Contribution from Parent 318 — — Net cash provided by (used in) financing activities $ 993 $ — $ (538 ) Change in cash and cash equivalents 39 $ (18 ) $ (559 ) Cash and cash equivalents, beginning of year $ 5 $ 23 $ 582 Cash and cash equivalents, end of year $ 44 $ 5 $ 23 The financial information of AXA Equitable Holdings, Inc. should be read in conjunction with the Consolidated Financial Statements and Notes thereto. 1) BASIS OF PRESENTATION The financial information of Holdings should be read in conjunction with the Consolidated Financial Statements and Notes thereto. AXA, the ultimate parent company of Holdings, is the holding company for the AXA Group, a worldwide leader in life, property and casualty and health insurance, and asset management. 2) LOANS TO AFFILIATES Holdings maintains reciprocal loan agreements with affiliates to facilitate unanticipated short-term cash requirements that arise in the ordinary course of business. In December 2013, Colisee Re issued a $145 million 4.75% Senior Unsecured Note to Holdings. The loan is scheduled to mature on December 19, 2028. In 2017, AXA Financial issued a $900 million 1.55% Senior Unsecured Note to Holdings. The loan is scheduled to mature on March 12, 2018. 3) LOANS FROM AFFILIATES In 2015, AXA America Holdings, Inc. received a $366 million, 3-month In 2013, Holdings received $242 million and $145 million loans from Coliseum Reinsurance Company. The loans have maturity dates in December 2028. The balance at December 31, 2017 and 2016 was $387 million. In 2017, Holdings repaid a $56 million 1.39% loan from AXA America Corporate Solutions, Inc. (“AXA CS”) originally made in 2015. In 2017, Holdings received a $100 million loan and a $10 million loan from AXA CS. The loans had interest rates of 1.86% and 1.76%, respectively, and matured on February 5, 2018. In December 2017, Holdings received a $622 million, 3-month Interest cost related to these loans totaled $31 million, $27 million and $23 million for the years ended December 31, 2017, 2016 and 2015, respectively. 4) INCOME TAXES Holdings and certain of its consolidated subsidiaries and affiliates file a consolidated federal income tax return. Holdings has tax sharing agreements with certain of its subsidiaries and generally will either receive or pay these subsidiaries for utilization of the subsidiaries’ tax benefits or expense. Holdings settles these amounts annually. 5) RESTATEMENT OF PRIOR PERIOD FINANCIAL STATEMENTS Management has identified errors in its previously issued financial statements, and has determined that the impact of the errors was material to these condensed Parent Company financial statements as of and for the year ended December 31, 2016, which therefore are restated herein. The impact of the errors to these financial statements for the year ended December 31, 2015 was not considered to be material either individually or in the aggregate. See Note 1 to the Company’s consolidated financial statements for a description of the related errors.

SCHEDULE III SUPPLEMENTARY INSU

SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION	12 Months Ended
	Dec. 31, 2017
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]
SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION	AXA EQUITABLE HOLDINGS, INC. SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION AS OF AND FOR THE YEAR ENDED DECEMBER 31, 2017 Segment Deferred Policy Acquisition Costs Policyholders’ Account Balances Future Policy Benefits and Other Policyholders’ Funds Policy Charges And Premium Revenue Net Investment Income (Loss) (1) Policyholders’ Benefits and Interest Credited Amortization of Deferred Policy Acquisition Costs, Net All Other Operating Expense (2) (in millions) Individual Retirement $ 2,877 $ 19,414 $ 15,202 $ 2,114 $ 1,292 $ 2,728 $ (289 ) $ 1,291 Group Retirement 678 11,318 2 248 523 282 (61 ) 526 Investment Management and Research — — — — 118 — — 2,517 Protection Solutions 2,304 13,908 5,444 1,995 850 1,432 174 939 Corporate and Other 60 2,531 9,682 460 513 919 (8 ) 704 Total $ 5,919 $ 47,171 $ 30,330 $ 4,817 $ 3,296 $ 5,361 $ (184 ) $ 5,977 (1) Net investment income (loss) is allocated to segments. Includes net derivative gains (losses). (2) Operating expenses are allocated to segments. AXA EQUITABLE HOLDINGS, INC. SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION AS OF AND FOR THE YEAR ENDED DECEMBER 31, 2016 (AS RESTATED) Segment Deferred Policy Acquisition Costs Policyholders’ Account Balances Future Policy Benefits and Other Policyholders’ Funds Policy Charges And Premium Revenue Net Investment Income (Loss) (1) Policyholders’ Benefits and Interest Credited Amortization of Deferred Policy Acquisition Costs, Net All Other Operating Expense (2) (in millions) Individual Retirement $ 2,587 $ 15,551 $ 14,268 $ 1,980 $ (1,060 ) $ 1,195 $ (283 ) $ 1,240 Group Retirement 614 10,996 (2 ) 217 431 268 (32 ) 378 Investment Management and Research — — — — 133 — — 2,306 Protection Solutions 2,773 13,617 5,940 2,156 763 1,940 358 793 Corporate and Other 75 1,792 10,151 459 550 906 39 628 Total $ 6,049 $ 41,956 $ 30,357 $ 4,812 $ 817 $ 4,309 $ 82 $ 5,345 (1) Net investment income (loss) is allocated to segments. Includes net derivative gains (losses). (2) Operating expenses are allocated to segments. AXA EQUITABLE HOLDINGS, INC. SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION AS OF AND FOR THE YEAR ENDED DECEMBER 31, 2015 Segment Policy Charges And Premium Revenue Net Investment Income (Loss) (1) Policyholders’ Benefits and Interest Credited Amortization of Deferred Policy Acquisition Costs, Net All Other Operating Expense (2) Individual Retirement $ 1,944 $ (881 ) $ 1,140 $ (294 ) $ 1,246 Group Retirement 220 423 260 (28 ) 379 Investment Management and Research — 35 — — 2,394 Protection Solutions 2,024 743 2,049 (9 ) 819 Corporate and Other 510 726 986 39 634 Total $ 4,698 $ 1,046 $ 4,435 $ (292 ) $ 5,472 (1) Net investment income (loss) is allocated to segments. Includes net derivative gains (losses). (2) Operating expenses are allocated to segments.

SCHEDULE IV REINSURANCE

SCHEDULE IV REINSURANCE	12 Months Ended
	Dec. 31, 2017
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]
SCHEDULE IV REINSURANCE	AXA EQUITABLE HOLDINGS, INC. SCHEDULE IV REINSURANCE (1) AS OF AND FOR THE YEARS ENDED DECEMBER 31, 2017, 2016 (AS RESTATED) AND 2015 Gross Amount Ceded to Other Companies Assumed from Other Companies Net Amount Percentage of Amount Assumed to Net (in millions) 2017 Life insurance in-force $ 483,010 $ 73,049 $ 31,886 $ 441,847 7.2 % Premiums: Life insurance and annuities $ 984 $ 103 $ 216 $ 1,097 19.7 % Accident and health 54 36 9 27 33.3 % Total Premiums $ 1,038 $ 139 $ 225 $ 1,124 20.0 % 2016 Life insurance in-force $ 485,888 $ 77,306 $ 30,688 $ 439,270 7.0 % Premiums: Life insurance and annuities $ 937 $ 106 $ 222 $ 1,053 21.1 % Accident and health 61 40 9 30 30.0 % Total Premiums $ 998 $ 146 $ 231 $ 1,083 21.3 % 2015 Life insurance in-force $ 492,061 $ 80,536 $ 30,677 $ 442,202 6.9 % Premiums: Life insurance and annuities $ 915 $ 101 $ 224 $ 1,038 21.6 % Accident and health 67 45 10 32 31.3 % Total Premiums $ 982 $ 146 $ 234 $ 1,070 21.9 % (1) Includes amounts related to the discontinued group life and health business.

REVENUE RECOGNITION

REVENUE RECOGNITION	9 Months Ended
	Sep. 30, 2018
Revenue from Contract with Customer [Abstract]
REVENUE RECOGNITION	REVENUE RECOGNITION See “Revenue Recognition” in Note 2 for descriptions of revenues presented in the table below. The adoption of ASC 606 had no significant impact on revenue recognition during the first nine months of 2018, except for the recognition of $49 million of performance fees from two hedge funds in liquidation that is not probable of significant reversal, that under the previous revenue accounting standard would not be recognized until final liquidation. The table below presents the revenues recognized during the three and nine months ended September 30, 2018 and 2017 , disaggregated by category: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Investment management, advisory and service fees: Base fees $ 734 $ 697 $ 2,178 $ 2,010 Performance-based fees 42 4 83 25 Research services 103 109 324 331 Distribution services 184 178 547 515 Other revenues: Shareholder services 20 19 58 56 Other 5 5 16 13 Total investment management and service fees $ 1,088 $ 1,012 $ 3,206 $ 2,950 Other income $ 120 $ 105 $ 354 $ 309

EQUITY

EQUITY	9 Months Ended
	Sep. 30, 2018
Equity [Abstract]
EQUITY	EQUITY Dividends to Shareholders On August 10, 2018, our Board of Directors declared a cash dividend on EQH common stock of $0.13 per share, payable on August 30, 2018 to shareholders of record on August 23, 2018. The payment of any future dividends will be at the discretion of our Board of Directors and will depend on various factors. Share Repurchase Program On August 10, 2018, Holdings’ Board of Directors authorized a share repurchase program. Under the program, Holdings may purchase up to $500 million of its common stock beginning August 16, 2018 and expiring on March 31, 2019. Holdings may choose to suspend or discontinue the repurchase program at any time. The repurchase program does not obligate Holdings to purchase any particular number of shares. As of September 30, 2018 the Company repurchased approximately 2.5 million shares of its common stock at a total cost of approximately $57 million . The repurchased common stock was recorded as treasury stock in the consolidated balance sheets. The timing and amount of share repurchases are determined by management based upon market conditions and other considerations, and repurchases may be effected in the open market, through derivative, accelerated repurchase and other negotiated transactions and through prearranged trading plans complying with Rule 10b5-1(c) under the Securities Exchange Act of 1934 (the “Exchange Act”). Numerous factors could affect the timing and amount of any future repurchases under the share repurchase authorization, including increased capital needs of the Company due to changes in regulatory capital requirements, opportunities for growth and acquisitions, and the effect of adverse market conditions on the segments.

RESTATEMENT AND REVISION OF PRI

RESTATEMENT AND REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS	9 Months Ended
	Sep. 30, 2018
Accounting Changes and Error Corrections [Abstract]
RESTATEMENT AND REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS	RESTATEMENT AND REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS As described in the Prospectus, management identified errors in its previously issued financial statements. These errors primarily relate to errors in the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of DAC amortization for certain variable and interest sensitive life products. Based upon quantitative and qualitative factors, management determined that the impact of the errors was material to the consolidated financial statements as of and for the nine months ended September 30, 2017. Management included in the Prospectus summarized financial information for the restated consolidated balance sheets as of September 30, 2017 and the related consolidated statements of income (loss), statements of comprehensive income (loss), statements of equity and statements of cash flow for the nine months ended September 30, 2017 that reflect restatements related to these errors. In addition, during the preparation of its third quarter financial statements, management identified errors in its previously issued financial statements. These errors primarily relate to the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of net derivative gains (losses) and DAC amortization for certain variable and interest sensitive life products. The impact of these additional errors identified in the current quarter were also corrected in the restated financial statements as of and for the nine months ended September 30, 2017. Additionally, in order to improve the consistency and comparability of the financial statements, management has determined to revise the three and six months ended March 31, 2018 and June 30, 2018, respectively, and the three and six months ended March 31, 2017 and June 30, 2017, respectively and the year ended December 31, 2017. Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the three and six months ended June 30, 2018. June 30, 2018 Balance Sheet: As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,346 $ (61 ) $ 6,285 Amounts due from reinsurers 4,963 (9 ) 4,954 Current and deferred income taxes 47 5 52 Total Assets 231,012 (65 ) 230,947 Liabilities: Future policy benefits and other policyholders’ liabilities 29,351 (53 ) 29,298 Total Liabilities 216,003 (53 ) 215,950 Equity: Retained earnings 12,613 (12 ) 12,601 Total equity attributable to Holdings 13,376 (12 ) 13,364 Total Equity 14,863 (12 ) 14,851 Total Liabilities, redeemable noncontrolling interest and equity $ 231,012 $ (65 ) $ 230,947 Three Months Ended June 30, 2018 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 987 $ (23 ) $ 964 Net derivative gains (losses) (73 ) 27 (46 ) Total revenues 2,962 4 2,966 Benefits and Other Deductions Policyholders’ benefits 920 (20 ) 900 Amortization of deferred policy acquisition costs, net (1 ) 16 15 Total benefits and other deductions 2,648 (4 ) 2,644 Income (loss) from continuing operations, before income taxes 314 8 322 Income tax (expense) benefit (59 ) (2 ) (61 ) Net income (loss) 255 6 261 Net income (loss) attributable to Holdings $ 158 $ 6 $ 164 Three Months Ended June 30, 2018 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 255 $ 6 $ 261 Comprehensive income (loss) (101 ) 6 (95 ) Comprehensive income (loss) attributable to Holdings $ (206 ) $ 6 $ (200 ) Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 1,959 $ (29 ) $ 1,930 Net derivative gains (losses) (354 ) 72 (282 ) Total revenues 5,797 43 5,840 Benefits and Other Deductions: Policyholders’ benefits 1,528 (34 ) 1,494 Amortization of deferred policy acquisition costs, net 14 11 25 Total benefits and other deductions 5,113 (23 ) 5,090 Income (loss) from continuing operations, before income taxes 684 66 750 Income tax (expense) benefit (138 ) (14 ) (152 ) Net income (loss) 546 52 598 Net income (loss) attributable to Holdings $ 326 $ 52 $ 378 Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 546 $ 52 $ 598 Comprehensive income (loss) (642 ) 52 (590 ) Comprehensive income (loss) attributable to Holdings $ (876 ) $ 52 $ (824 ) Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 12,289 $ (64 ) $ 12,225 Net income (loss) attributable to Holdings 326 52 378 Retained earnings, end of period 12,613 (12 ) 12,601 Total Holdings’ equity, end of period 13,376 (12 ) 13,364 Total equity, end of period $ 14,863 $ (12 ) $ 14,851 Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ 546 $ 52 $ 598 Policy charges and fee income (1,959 ) 29 (1,930 ) Net derivative (gains) loss 354 (72 ) 282 Changes in: Deferred policy acquisition costs 14 11 25 Future policy benefits (171 ) (34 ) (205 ) Current and deferred income taxes 224 14 238 Net cash provided by (used in) operating activities $ (314 ) $ — $ (314 ) Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the three months ended March 31, 2018. March 31, 2018 Balance Sheet As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,288 $ (45 ) $ 6,243 Current and deferred income taxes 225 7 232 Total Assets 232,294 (38 ) 232,256 Liabilities: Future policy benefits and other policyholders’ liabilities 29,586 (20 ) 29,566 Total Liabilities 214,670 (20 ) 214,650 Equity: Retained earnings 12,455 (18 ) 12,437 Total equity attributable to Holdings 13,565 (18 ) 13,547 Total Equity 16,600 (18 ) 16,582 Total Liabilities, redeemable noncontrolling interest and equity $ 232,294 $ (38 ) $ 232,256 Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 972 $ (6 ) $ 966 Net derivative gains (losses) (281 ) 45 (236 ) Total revenues 2,835 39 2,874 Benefits and Other Deductions Policyholders’ benefits 608 (14 ) 594 Amortization of deferred policy acquisition costs, net 15 (5 ) 10 Total benefits and other deductions 2,465 (19 ) 2,446 Income (loss) from continuing operations, before income taxes 370 58 428 Income tax (expense) benefit (79 ) (12 ) (91 ) Net income (loss) 291 46 337 Net income (loss) attributable to Holdings $ 168 $ 46 $ 214 Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 291 $ 46 $ 337 Comprehensive income (loss) (541 ) 46 (495 ) Comprehensive income (loss) attributable to Holdings $ (670 ) $ 46 $ (624 ) Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 12,289 $ (64 ) $ 12,225 Net income (loss) attributable to Holdings 168 46 214 Retained earnings, end of period 12,455 (18 ) 12,437 Total Holdings’ equity, end of period 13,565 (18 ) 13,547 Total equity, end of period $ 16,600 $ (18 ) $ 16,582 Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ 291 $ 46 $ 337 Policy charges and fee income (972 ) 6 (966 ) Net derivative (gains) loss 281 (45 ) 236 Changes in: Deferred Policy Acquisition costs 15 (5 ) 10 Future policy benefits (254 ) (14 ) (268 ) Current and deferred income taxes 103 12 115 Net cash provided by (used in) operating activities $ (264 ) $ — $ (264 ) Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the year ended December 31, 2017. December 31, 2017 Balance Sheet: As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 5,969 $ (50 ) $ 5,919 Current and deferred income taxes 67 17 84 Total Assets 235,648 (33 ) 235,615 Liabilities: Future policy benefits and other policyholders’ liabilities 30,299 31 30,330 Total Liabilities 218,440 31 218,471 Equity: Retained earnings 12,289 (64 ) 12,225 Total equity attributable to Holdings 13,485 (64 ) 13,421 Total Equity 16,582 (64 ) 16,518 Total Liabilities, redeemable noncontrolling interest and equity $ 235,648 $ (33 ) $ 235,615 Year ended December 31, 2017 As Previously Reported Impact of Adjustments As Revised (in millions) Statement of Income (Loss): Revenues: Policy charges and fee income $ 3,733 $ (40 ) $ 3,693 Net derivative gains (losses) 228 (14 ) 214 Total revenues 12,514 (54 ) 12,460 Benefits and other deductions: Policyholders’ benefits 4,354 12 4,366 Interest credited to Policyholder’s account balances 1,108 (113 ) 995 Amortization of deferred policy acquisition costs (239 ) 55 (184 ) Total benefits and other deductions 11,200 (46 ) 11,154 Income (loss) from operations, before income taxes 1,314 (8 ) 1,306 Income tax (expense) benefit (41 ) (8 ) (49 ) Net income (loss) 1,273 (16 ) 1,257 Net income (loss) attributable to Holdings $ 850 $ (16 ) $ 834 Year ended December 31, 2017 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 1,273 $ (16 ) $ 1,257 Comprehensive income (loss) 2,105 (16 ) 2,089 Comprehensive income (loss) attributable to Holdings $ 1,663 $ (16 ) $ 1,647 Year ended December 31, 2017 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 11,439 $ (48 ) $ 11,391 Net income (loss) attributable to Holdings 850 (16 ) 834 Retained earnings, end of period 12,289 (64 ) 12,225 Total Holdings’ equity, end of year 13,485 (64 ) 13,421 Total equity, end of year $ 16,582 $ (64 ) $ 16,518 Year ended December 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Consolidated Statement of Cash Flows: Cash flow from operating activities: Net income (loss) $ 1,273 $ (16 ) $ 1,257 Policy charges and fee income (3,733 ) 40 (3,693 ) Interest credited to policyholders’ account balances 1,108 (113 ) 995 Net derivative (gains) loss (228 ) 14 (214 ) Deferred Policy Acquisition costs (239 ) 55 (184 ) Changes in: Future policy benefits 1,587 12 1,599 Current and deferred income taxes 759 8 767 Net cash provided by (used in) operating activities $ 1,021 $ — $ 1,021 Effects of the restatement on the Company’s previously reported consolidated financial statements as of and for the Nine Months ended September 30, 2017 and revision of the Company’s previously reported consolidated financial statements as of and for the Six Months ended June 30, 2017. September 30, 2017 June 30, 2017 Balance Sheet: As Previously Reported Impact of Adjustments As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 5,933 $ 157 $ 6,090 $ 6,101 $ 10 $ 6,111 Loans to affiliates 1,245 (11 ) 1,234 1,235 — 1,235 Current and deferred income taxes 339 (71 ) 268 298 13 311 Total Assets 230,825 93 230,918 226,689 23 226,712 Liabilities: Future policy benefits and other policyholders’ liabilities 31,179 (97 ) 31,082 31,029 48 31,077 Total Liabilities 215,164 (97 ) 215,067 210,890 48 210,938 Equity: Capital in excess of par value (1) 1,007 (9 ) 998 955 — 955 Retained earnings 11,548 194 11,742 11,757 (25 ) 11,732 Accumulated other comprehensive income (loss) (350 ) 5 (345 ) (333 ) — (333 ) Total equity attributable to Holdings 12,211 190 12,401 12,385 (25 ) 12,360 Total Equity 15,221 190 15,411 15,438 (25 ) 15,413 Total Liabilities, redeemable noncontrolling interest and equity $ 230,825 $ 93 $ 230,918 $ 226,689 $ 23 $ 226,712 _________________ (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645 -for-1 stock split effected on April 24, 2018. Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments (1) As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 2,853 $ (43 ) $ 2,810 $ 1,891 $ (34 ) $ 1,857 Premiums 805 20 825 558 — 558 Net derivative gains (losses) 166 66 232 494 54 548 Total revenues 9,495 43 9,538 6,712 20 6,732 Benefits and Other Deductions Policyholders’ benefits 3,909 (9 ) 3,900 2,834 (11 ) 2,823 Interest credited to policyholders’ account balances 794 (51 ) 743 488 — 488 Amortization of deferred policy acquisition costs, net (31 ) (119 ) (150 ) (168 ) (5 ) (173 ) Total benefits and other deductions 9,187 (179 ) 9,008 6,265 (16 ) 6,249 Income (loss) from continuing operations, before income taxes 308 222 530 447 36 483 Income tax (expense) benefit 163 (63 ) 100 54 (13 ) 41 Net income (loss) 471 159 630 501 23 524 Net income (loss) attributable to Holdings $ 192 $ 159 $ 351 $ 318 $ 23 $ 341 __________________ (1) As discussed in Note 2, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact (in millions): (a) Income (loss) from continuing operations, before income taxes $71 ; (b) Net income (loss) $39 ; and (c) Comprehensive income (loss) $2 . Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments (1) As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 471 $ 159 $ 630 $ 501 $ 23 $ 524 Change in unrealized gains (losses), net of reclassification 519 (17 ) 502 535 — 535 Total other comprehensive income (loss), net of income taxes 611 (17 ) 594 603 — 603 Comprehensive income (loss) 1,082 142 1,224 1,104 23 1,127 Comprehensive income (loss) attributable to Holdings $ 785 $ 142 $ 927 $ 906 $ 23 $ 929 __________________ (1) As discussed in Note 2, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $71 ; (b) Net income (loss) $39 ; (c) Comprehensive income (loss) $2 . Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Capital in excess of par value, beginning of year (1) $ 942 $ (11 ) $ 931 $ 931 $ — $ 931 Changes in capital in excess of par value 65 2 67 24 — 24 Capital in excess of par value, end of period (1) 1,007 (9 ) 998 955 — 955 Retained earnings, beginning of year 11,356 35 11,391 11,439 (48 ) 11,391 Net income (loss) attributable to Holdings 192 159 351 318 23 341 Retained earnings, end of period 11,548 194 11,742 11,757 (25 ) 11,732 Accumulated other comprehensive income (loss), beginning of year (943 ) 22 (921 ) (921 ) — (921 ) Other comprehensive income (loss) 593 (17 ) 576 588 — 588 Accumulated other comprehensive income (loss), end of year (350 ) 5 (345 ) (333 ) — (333 ) Total Holdings’ equity, end of period 12,211 190 12,401 12,385 (25 ) 12,360 Total equity, end of period $ 15,221 $ 190 $ 15,411 $ 15,438 $ (25 ) $ 15,413 ___________ (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645 -for-1 stock split effected on April 24, 2018. Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ 471 $ 159 $ 630 $ 501 $ 23 $ 524 Policy charges and fee income (2,853 ) 43 (2,810 ) (1,891 ) 34 (1,857 ) Interest credited to policyholders’ account balances 794 (51 ) 743 488 — 488 Net derivative (gains) loss (166 ) (66 ) (232 ) (494 ) (54 ) (548 ) Changes in: Reinsurance Recoverable — 115 115 40 — 40 Deferred policy acquisition costs (31 ) (119 ) (150 ) (168 ) (5 ) (173 ) Future policy benefits 1,616 (29 ) 1,587 1,516 (11 ) 1,505 Current and deferred income taxes 435 63 498 123 13 136 Other, net 368 (115 ) 253 333 — 333 Net cash provided by (used in) operating activities $ 1,044 $ — $ 1,044 $ 666 $ — $ 666 Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the three months ended March 31, 2017. March 31, 2017 Balance Sheet: As Previously Reported Impact of Revisions As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,026 $ 9 $ 6,035 Current and deferred income taxes 440 18 458 Total Assets 223,564 27 223,591 Liabilities: Future policy benefits and other policyholders’ liabilities 30,171 62 30,233 Total Liabilities 208,737 62 208,799 Equity: Retained earnings 11,149 (35 ) 11,114 Total equity attributable to Holdings 11,306 (35 ) 11,271 Total Equity 14,411 (35 ) 14,376 Total Liabilities, redeemable noncontrolling interest and equity $ 223,564 $ 27 $ 223,591 Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 956 $ (17 ) $ 939 Net derivative gains (losses) (2) (235 ) 31 (204 ) Total revenues 2,830 14 2,844 Benefits and Other Deductions: Policyholders’ benefits 1,093 (2 ) 1,091 Amortization of deferred policy acquisition costs, net (55 ) (4 ) (59 ) Total benefits and other deductions 2,997 (6 ) 2,991 Income (loss) from continuing operations, before income taxes (167 ) 20 (147 ) Income tax (expense) benefit (30 ) (7 ) (37 ) Net income (loss) (197 ) 13 (184 ) Net income (loss) attributable to Holdings $ (290 ) $ 13 $ (277 ) Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ (197 ) $ 13 $ (184 ) Comprehensive income (loss) (60 ) 13 (47 ) Comprehensive income (loss) attributable to Holdings $ (160 ) $ 13 $ (147 ) Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Equity: Retained earnings, beginning of year 11,439 (48 ) 11,391 Net income (loss) attributable to Holdings (290 ) 13 (277 ) Retained earnings, end of period 11,149 (35 ) 11,114 Total Holdings’ equity, end of period 11,306 (35 ) 11,271 Total equity, end of period $ 14,411 $ (35 ) $ 14,376 Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ (197 ) $ 13 $ (184 ) Policy charges and fee income (956 ) 17 (939 ) Interest credited to policyholders’ account balances 246 — 246 Net derivative (gains) loss 235 (31 ) 204 Changes in: Deferred Policy Acquisition costs (55 ) (4 ) (59 ) Future policy benefits 296 (2 ) 294 Current and deferred income taxes 252 7 259 Net cash provided by (used in ) operating activities $ 72 $ — $ 72 Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the year ended December 31, 2016. December 31, 2016 As Previously Reported Impact of Revisions As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,044 $ 5 $ 6,049 Current and deferred income taxes 496 26 522 Total Assets 216,614 31 216,645 Liabilities: Future policy benefits and other policyholders’ liabilities 30,278 79 30,357 Total Liabilities 201,614 79 201,693 Equity: Retained earnings 11,439 (48 ) 11,391 Total equity attributable to Holdings 11,455 (48 ) 11,407 Total Equity 14,597 (48 ) 14,549 Total Equity and Redeemable NCI 15,000 (48 ) 14,952 Total Liabilities, redeemable noncontrolling interest and equity $ 216,614 $ 31 $ 216,645 December 31, 2016 As Previously Reported Impact of Revisions As Revised (in millions) Statement of Income (Loss): Revenues: Policy charges and fee income $ 3,762 $ (33 ) $ 3,729 Net derivative gains (losses) (1,722 ) (126 ) — (1,848 ) Total revenues 11,922 (159 ) 11,763 Benefits and other deductions: Policyholders’ benefits 3,343 (1 ) 3,342 Interest credited to Policyholder’s account balances 1,091 (124 ) 967 Amortization of deferred policy acquisition costs 89 (7 ) 82 Total benefits and other deductions 9,868 (132 ) 9,736 Income (loss) from operations, before income taxes 2,054 (27 ) 2,027 Income tax (expense) benefit (387 ) 9 (378 ) Net income (loss) 1,667 (18 ) 1,649 Net income (loss) attributable to AXA Equitable $ 1,272 $ (18 ) $ 1,254 December 31, 2016 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 1,667 $ (18 ) $ 1,649 Change in unrealized gains (losses), net of reclassification adjustment (274 ) — (274 ) Total other comprehensive income (loss), net of income taxes (258 ) — (258 ) Comprehensive income (loss) 1,409 (18 ) 1,391 Less: Comprehensive (income) loss attributable to noncontrolling interest (381 ) — (381 ) Comprehensive income (loss) attributable to AXA Equitable $ 1,028 $ (18 ) $ 1,010 December 31, 2016 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 10,167 $ (30 ) $ 10,137 Net income (loss) attributable to Holdings 1,272 (18 ) 1,254 Retained earnings, end of year 11,439 (48 ) 11,391 Total Holdings’ equity, end of year 11,455 (48 ) 11,407 Total equity, end of year $ 14,597 $ (48 ) $ 14,549 December 31, 2016 As Previously Reported Impact of Revisions As Revised (in millions) Consolidated Statement of Cash Flows: Cash flow from operating activities: Net income (loss) $ 1,667 $ (18 ) $ 1,649 Policy charges and fee income (3,762 ) 33 (3,729 ) Interest credited to policyholders’ account balances 1,091 (124 ) 967 (Increase) decrease in the fair value of the reinsurance contract asset — — — Net derivative (gains) loss 1,722 126 1,848 Deferred Policy Acquisition costs 89 (7 ) 82 Changes in: Future policy benefits 273 (1 ) 272 Current and deferred income taxes (208 ) (9 ) (217 ) Net cash provided by (used in) operating activities $ (236 ) $ — $ (236 )

SIGNIFICANT ACCOUNTING POLICI_2

SIGNIFICANT ACCOUNTING POLICIES (Policies)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Basis of Presentation and Principles of Consolidation		Basis of Presentation and Principles of Consolidation The preparation of the accompanying consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions (including normal, recurring accruals) that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates. The accompanying consolidated financial statements reflect all adjustments necessary in the opinion of management for a fair presentation of the consolidated financial position of the Company and its consolidated results of operations and cash flows for the periods presented. AXA announced on May 10, 2017 that it intended to sell a minority stake in the Company in an initial public offering. These financial statements were prepared in connection with the proposed transaction. The accompanying consolidated financial statements present the consolidated results of operations, financial condition, and cash flows of the Company and its subsidiaries and those investment companies, partnerships and joint ventures in which the Company has control and a majority economic interest as well as those variable interest entities (“VIEs”) that meet the requirements for consolidation. The financial statements were prepared on a consolidated basis as operations have been under the common control of AXA. Financial results in the historical consolidated financial statements may not be indicative of the results of operations, comprehensive income (loss), financial position, equity or cash flows that would have been achieved had we operated as a separate, standalone entity during the reporting periods presented. We believe that the consolidated financial statements include all adjustments necessary for a fair presentation of the results of operations of the Company. On April 24, 2018, the Company filed a Certificate of Amendment to amend its Certificate of Incorporation, authorizing the issuance of 2,000,000,000 shares of common stock, par value $0.01 per share, and effecting a 459.4752645-for-1 All significant intercompany transactions and balances have been eliminated in consolidation. The years “2017,” “2016” and “2015” refer to the years ended December 31, 2017, 2016 and 2015, respectively.
Adoption of New Accounting Pronouncements and Future Adoption of New Accounting Pronouncements	Adoption of New Accounting Pronouncements Standard Description Effect on the Financial Statement or Other Significant Matters ASU 2014-09 Revenue from Contracts with Customers (Topic 606) This ASU contains new guidance that clarifies the principles for recognizing revenue arising from contracts with customers and develops a common revenue standard for U.S. GAAP and IFRS. On January 1, 2018, the Company adopted the new revenue recognition guidance on a modified retrospective basis. Adoption did not change the amounts or timing of the Company’s revenue recognition for base investment management and advisory fees, distribution revenues, shareholder servicing revenues, and broker-dealer revenues. Some performance-based fees and carried-interest distributions that were recognized prior to adoption when no risk of reversal remained, in certain instances may now be recognized earlier if it is probable that significant reversal will not occur. On January 1, 2018, the Company recognized a cumulative effect adjustment, net of tax, to increase opening equity attributable to Holdings and the noncontrolling interest by approximately $13 million and $19 million, respectively, reflecting the impact of carried-interest distributions previously received by AB of approximately $78 million, net of revenue sharing payments to investment team members of approximately $43 million, for which it is probable that significant reversal will not occur and for which incremental tax is provided at Holdings. Standard Description Effect on the Financial Statement or Other Significant Matters ASU 2016-01 Financial Instruments - Overall (Subtopic 825-10) This ASU provides new guidance related to the recognition and measurement of financial assets and financial liabilities. The new guidance primarily affects the accounting for equity investments, financial liabilities under the fair value option, and presentation and disclosure requirements for financial instruments. The FASB also clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on AFS debt securities. The new guidance requires equity investments in unconsolidated entities, except those accounted for under the equity method, to be measured at fair value through earnings, thereby eliminating the AFS classification for equity securities with readily determinable fair values for which changes in fair value currently are reported in AOCI. On January 1, 2018, the Company adopted the new recognition requirements on a modified retrospective basis for changes in the fair value of AFS equity securities, resulting in no material reclassification adjustment from AOCI to opening retained earnings for the net unrealized gains, net of tax, related to approximately $46 million common stock securities and eliminated their designation as AFS equity securities. The Company does not currently report any of its financial liabilities under the fair value option. ASU 2016-15 Statement of Cash Flows (Topic 230 ) This ASU provides new guidance to simplify elements of cash flow classification. The new guidance is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. The new guidance requires application of a retrospective transition method. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. ASU 2017-07 Compensation - Retirement Benefits (Topic 715) This ASU provides new guidance on the presentation of net periodic pension and post-retirement benefit costs that requires retrospective disaggregation of the service cost component from the other components of net benefit costs on the income statement. On January 1, 2018, the Company adopted the change in the income statement presentation utilizing the practical expedient for determining the historical components of net benefit costs, resulting in no material impact to the consolidated financial statements. In addition, no changes to the Company’s capitalization policies with respect to benefit costs resulted from the adoption of the new guidance. ASU 2017-09 Compensation - Stock Compensation (Topic 718) This ASU provides clarity and reduces both 1) diversity in practice and 2) cost and complexity when applying guidance in Topic 718, Compensation - Stock Compensation , to a change to the terms or conditions of a share-based payment award. Adoption of this amendment on January 1, 2018 did not have a material impact on the Company’s consolidated financial statements. Future Adoption of New Accounting Pronouncements Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-14 Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20) This ASU improves the effectiveness of disclosures related to defined benefit plans in the notes to the financial statements. Amendments in ASU 2018-14 remove disclosures that are no longer considered cost beneficial, clarify the specific requirements of disclosures, and add new, relevant disclosure requirements. Effective for fiscal years ending after December 15, 2020, for public business entities. Early adoption is permitted. Amendments should be applied on a retrospective basis to all periods presented. Management currently is evaluating the impact of the guidance on the Company’s financial statement disclosures but has concluded that this guidance will not impact the Company’s consolidated financial position or results of operations. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-13 Fair Value Measurement (Topic 820) This ASU improves the effectiveness of fair value disclosures in the notes to financial statements. Amendments in this ASU modify disclosure requirements in Topic 820, including the removal of certain disclosure requirements, modification of certain disclosures, and the addition of new requirements. Effective for fiscal years beginning after December 15, 2019, for public business entities. Early adoption is permitted, with the option to early adopt amendments to remove or modify disclosures, with full adoption of additional requirements delayed until their effective date. Amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively. All other amendments should be applied retrospectively. Management currently is evaluating the impact of the guidance on the Company’s financial statement disclosures but has concluded that this guidance will not impact the Company’s consolidated financial position or results of operations. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-12 Financial Services - Insurance (Topic 944) This ASU provides targeted improvements to existing recognition, measurement, presentation, and disclosure requirements for long-duration contracts issued by an insurance entity. The ASU primarily impacts four key areas, including: – Measurement of the liability for future policy benefits for traditional and limited payment contracts. The ASU requires companies to review, and if necessary update, cash flow assumptions at least annually for non-participating traditional and limited-payment insurance contracts. Interest rates used to discount the liability will need to be updated quarterly using an upper medium grade (low credit risk) fixed-income instrument yield. – Measurement of market risk benefits (“MRBs”). MRBs, as defined under the ASU, will encompass certain GMxB features associated with variable annuity products and other general account annuities with other than nominal market risk. The ASU requires MRBs to be measured at fair value with changes in value attributable to changes in instrument-specific credit risk recognized in OCI. – Amortization of deferred acquisition costs. The ASU simplifies the amortization of deferred acquisition costs and other balances amortized in proportion to premiums, gross profits, or gross margins, requiring such balances to be amortized on a constant level basis over the expected term of the contracts. Deferred costs will be required to be written off for unexpected contract terminations but will not be subject to impairment testing. – Expanded footnote disclosures . The ASU requires additional disclosures including disaggregated rollforwards of beginning to ending balances of the liability for future policy benefits, policyholder account balances, MRBs, separate account liabilities and deferred acquisition costs. Companies will also be required to disclose information about significant inputs, judgements, assumptions and methods used in measurement. Effective date for public business entities for fiscal years and interim periods with those fiscal years, beginning after December 31, 2020. Early adoption is permitted. – For the liability for future policyholder benefits for traditional and limited payment contracts, companies can elect one of two adoption methods. Companies can either elect a modified retrospective transition method applied to contracts in force as of the beginning of the earliest period presented on the basis of their existing carrying amounts, adjusted for the removal of any related amounts in AOCI or a full retrospective transition method using actual historical experience information as of contract inception. The same adoption method must be used for deferred acquisition costs. – For MRBs, the ASU should be applied retrospectively as of the beginning of the earliest period presented. – For deferred acquisition costs, companies can elect one of two adoption methods. Companies can either elect a modified retrospective transition method applied to contracts in force as of the beginning of the earliest period presented on the basis of their existing carrying amounts, adjusted for the removal of any related amounts in AOCI or a full retrospective transition method using actual historical experience information as of contract inception. The same adoption method must be used for the liability for future policyholder benefits for traditional and limited payment contracts. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements, however the adoption of the ASU is expected to have a significant impact on our consolidated financial condition, results of operations, cash flows and required disclosures, as well as processes and controls. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-07 , Compensation - Stock Compensation (Topic 718) This ASU contains new guidance that largely aligns the accounting for share-based payment awards issued to employees and non-employees. Effective for public business entities for fiscal years beginning after December 15, 2018, including interim periods, with early adoption permitted. The Company has granted share-based payment awards only to employees as defined by accounting guidance and does not expect this guidance will have a material impact on its consolidated financial statements. ASU 2018-02 Income Statement - Reporting Comprehensive Income This ASU contains new guidance that permits, but does not require, entities to reclassify to retained earnings tax effects “stranded” in AOCI resulting from the change in federal tax rate enacted by the Tax Cuts and Jobs Act (the “Tax Reform Act”) on December 22, 2017. If elected, these stranded tax effects for all items must be reclassified in AOCI, including, but not limited to, AFS securities and employee benefits. Effective for interim and annual periods beginning after December 15, 2018, with early adoption permitted. Election can be made either to apply the new guidance retrospectively to each period in which the effect of the Tax Reform Act is recognized or in the period of adoption. Management currently is evaluating the options provided for adopting this guidance and the potential impacts on the Company’s consolidated financial statements. ASU 2017-12 Derivatives and Hedging (Topic 815) The amendments in this ASU better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. Effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early application permitted. The effect of adoption should be reflected as of the beginning of the fiscal year of adoption. Management does not expect this guidance will have a material impact on the Company’s consolidated financial statements. ASU 2017-08 , Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20) This ASU requires certain premiums on callable debt securities to be amortized to the earliest call date and is intended to better align interest income recognition with the manner in which market participants price these instruments. Effective for interim and annual periods beginning after December 15, 2018, with early adoption permitted and is to be applied on a modified retrospective basis. Management does not expect this guidance will have a material impact on the Company’s consolidated financial statements. ASU 2016-13 Financial Instruments - Credit Losses (Topic 326) This ASU contains new guidance which introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. Effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, for public business entities. Early adoption is permitted as of the fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. These amendments should be applied through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2016-02 Leases (Topic 842) This ASU contains revised guidance to lease accounting that will require lessees to recognize on the balance sheet a “right-of-use” asset and a lease liability for virtually all lease arrangements, including those embedded in other contracts. Lessor accounting will remain substantially unchanged from the current model but has been updated to align with certain changes made to the lessee model. Effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, for public business entities. Early application is permitted. Lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach, which includes optional practical expedients that entities may elect to apply. The Company expects to adopt ASU 2016-02, as well as other related clarifications and interpretive guidance issued by the FASB, when it becomes effective on January 1, 2019. The Company identified its significant existing leases, which primarily include real estate leases for office space, that will be impacted by the new guidance. The Company expects to implement new accounting processes and internal controls to meet the requirements for financial reporting and disclosures of its leases. The Company expects these evaluation and implementation activities will continue throughout 2018 prior to the effective date of adoption on January 1, 2019. The Company plans to elect the optional modified retrospective transition method to apply the provisions of the new standard, which will result in a cumulative-effect adjustment to opening retained earnings in the period of adoption. Under this transition method, the Company would not recast prior financial statements.	Adoption of New Accounting Pronouncements In January 2017, the Financial Accounting Standards Board (“FASB”) issued new guidance that amends the definition of a business to provide a more robust framework for determining when a set of assets and activities is a business. The definition primarily adds clarity for evaluating whether certain transactions should be accounted for as acquisitions/dispositions of assets or businesses, the latter subject to guidance on business combinations, but also may interact with other areas of accounting where the defined term is used, such as in the application of guidance on consolidation and goodwill impairment. The new guidance is effective for fiscal years ending December 31, 2018. The Company elected to early adopt the new guidance for the year ending December 31, 2016. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In January 2017, the FASB issued updated guidance to simplify the accounting for goodwill impairment on a prospective basis in years beginning after December 15, 2019, with early adoption permitted for impairment testing performed after January 1, 2017. The revised guidance removes Step 2 from the goodwill impairment testing model that currently requires a hypothetical purchase price allocation to assess goodwill recoverability when Step 1 testing demonstrates a reporting unit’s carrying value exceeds its fair value. Existing guidance that limits the measure of goodwill impairment to the carrying amount of the reporting unit’s goodwill remains unchanged by elimination of the requirement to perform Step 2 testing. The Company elected to early adopt the guidance effective January 1, 2017 for its first quarter 2017 interim goodwill recoverability assessments. As a result, the Company reduced the carrying value of its goodwill and increased other operating costs and expenses by $369 million as reflected in the December 31, 2017 consolidated financial statements. In October 2016, the FASB issued updated guidance on consolidation of interests held through related parties that are under common control, which alters how a decision maker needs to consider indirect interests in a VIE held through an entity under common control. The guidance amends the recently adopted consolidation guidance analysis. Under the new guidance, if a decision maker is required to evaluate whether it is the primary beneficiary of a VIE, it will need to consider only its proportionate indirect interest in the VIE held through a common control party. The Company adopted the revised guidance effective January 1, 2017. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In March 2016, the FASB issued new guidance simplifying the transition to the equity method of accounting. The amendment eliminates the requirement for an investor to retroactively adjust the basis of a previously held interest in an investment that subsequently qualifies for use of the equity method. Additionally, the amendment requires any unrealized holding gain or loss recognized in AOCI to be realized in earnings at the date an AFS security qualifies for use of the equity method. The Company adopted the revised guidance effective January 1, 2017. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In March 2016, the FASB issued new guidance on improvements to employee share-based payment accounting. The amendment includes provisions intended to simplify various aspects related to how share-based payments are accounted for and presented in the financial statements, including income tax effects of share-based payments, minimum statutory tax withholding requirements and forfeitures. The Company adopted the revised guidance effective January 1, 2017. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. In February 2015, the FASB issued a new consolidation standard that makes targeted amendments to the VIE assessment, including guidance specific to the analysis of fee arrangements and related party relationships, modifies the guidance for the evaluation of limited partnerships and similar entities for consolidation to eliminate the presumption of general partner control, and ends the deferral that had been granted to certain investment companies for applying previous VIE guidance. The Company adopted this guidance beginning January 1, 2016 using a modified retrospective approach, thereby not requiring a restatement of prior year periods. At initial adoption, the Company’s reevaluation of all legal entities under the new standard resulted in identification of additional VIEs and consolidation of certain investment products of the Investment Management and Research segment that were not consolidated in accordance with previous guidance. The analysis performed under this guidance requires the exercise of judgment and is updated continuously as circumstances change or new entities are formed. In August 2014, the FASB issued new guidance which requires management to evaluate whether there is “substantial doubt” about the reporting entity’s ability to continue as a going concern and provide related footnote disclosures about those uncertainties, if they exist. The new guidance is effective for annual periods, ending after December 15, 2016 and interim periods thereafter. The Company implemented this guidance beginning with the year ended December 31, 2016. The effect of implementing this guidance was not material to the Company’s consolidated financial statements. Future Adoption of New Accounting Pronouncements In February 2018, the FASB issued new guidance that will permit, but not require, entities to reclassify to retained earnings tax effects “stranded” in AOCI resulting from the change in federal tax rate enacted by the Tax Cuts and Jobs Act (the “Act”) on December 22, 2017. An entity that elects this option must reclassify these stranded tax effects for all items in AOCI, including, but not limited to, AFS securities and employee benefits. Tax effects stranded in AOCI for other reasons, such as prior changes in tax law, may not be reclassified. While the new guidance provides entities the option to reclassify these amounts, new disclosures are required regardless of whether entities elect to do so. The new guidance is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted for periods for which financial statements have not yet been issued or made available for issuance, including in the period the Act was signed into law (i.e., the reporting period including December 22, 2017). Election can be made either to apply the new guidance retrospectively to each period in which the effect of the Act is recognized or in the period of adoption. Management currently is evaluating the options provided for adopting this guidance and the potential impacts on the Company’s consolidated financial statements. In August 2017, the FASB issued new guidance on accounting for hedging activities, intended to more closely align the financial statement reporting of hedging relationships to the economic results of an entity’s risk management activities. In addition, the new guidance makes certain targeted modifications to simplify the application of current hedge accounting guidance. The new guidance is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early application permitted. The effect of adoption should be reflected as of the beginning of the fiscal year of adoption (that is, the initial application date). All transition requirements and elections should be applied to derivatives positions and hedging relationships existing on the date of adoption. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. In May 2017, the FASB issued guidance on share-based payments. The amendment provides clarity intended to reduce diversity in practice and the cost and complexity of accounting for changes to the terms or conditions of share-based payment awards. The new guidance is effective for interim and annual periods beginning after December 15, 2017, requires prospective application to awards modified on or after the date of adoption, and permits early adoption. This amendment is not expected to have a material impact on the Company’s consolidated financial statements. In March 2017, the FASB issued guidance that requires certain premiums on callable debt securities to be amortized to the earliest call date and is intended to better align interest income recognition with the manner in which market participants price these instruments. The new guidance is effective for interim and annual periods beginning after December 15, 2018 with early adoption permitted and is to be applied on a modified retrospective basis. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. In March 2017, the FASB issued new guidance on the presentation of net periodic pension and post-retirement benefit costs that requires disaggregation of the service cost component from the other components of net benefit costs on the income statement. The service cost component will be presented with other employee compensation costs in “income from operations,” and the remaining components will be reported separately outside of income from operations. While this standard does not change the rules for how benefits costs are measured, it limits the amount eligible for capitalization to the service cost component and, therefore, may require insurers and other entities that establish deferred assets related to the acquisition of new contracts to align its capitalization policies/practices with that limitation. The new guidance is effective for interim and annual periods beginning after December 15, 2017 with early adoption permitted and is to be applied retrospectively for changes in the income statement presentation of net benefit cost and prospectively for changes in capitalization eligibility. The guidance permits the use of amounts previously disclosed for the various components of net benefits cost as the basis for the retrospective change in the income statement presentation, and use of that approach must be disclosed as a “practical expedient” to determining how much of the various components of net benefits costs actually was reflected in historical income statements a result of capitalization and subsequent amortization. For purpose of segment reporting, net periodic benefits costs should continue to be presented based on how management reports those costs internally for evaluation, regardless of these new requirements. The Company expects to utilize the practical expedient for adopting the retrospective change in its income statement presentation of net benefits costs. Based on the assessments performed to-date, In August 2016, the FASB issued new guidance to simplify elements of cash flow classification. The new guidance is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. The new guidance is effective for interim and annual periods beginning after December 15, 2017 and should be applied using a retrospective transition method. Adoption of this new guidance in first quarter 2018 is not expected to have a material impact on the Company’s financial condition or results of operations. In June 2016, the FASB issued new guidance related to the accounting for credit losses on financial instruments. The new guidance introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale In February 2016, the FASB issued revised guidance to lease accounting that will require lessees to recognize on the balance sheet a “right-of-use” right-of-use In January 2016, the FASB issued new guidance related to the recognition and measurement of financial assets and financial liabilities. The new guidance primarily affects the accounting for equity investments, financial liabilities under the fair value option, and presentation and disclosure requirements for financial instruments. In addition, the FASB clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on available-for-sale In May 2014, the FASB issued new guidance that revises the recognition criteria for revenue arising from contracts with customers to provide goods or services, except when those revenue streams are from insurance contracts, leases, rights and obligations that are in the scope of certain financial instruments (i.e., derivative contracts) and guarantees other than product or service warranties. The new standard’s core principle is that revenue should be recognized when “control” of promised goods or services is transferred to customers and in an amount that reflects the consideration to which it expects to be entitled in exchange. Applying the new revenue recognition criteria generally will require more judgments and estimates than under current guidance in order to identify contractual performance obligations to customers, assess the roles of intermediaries in fulfilling those obligations, determine the amount of variable consideration to include in the transaction price, and allocate the transaction price to distinct performance obligations in bundled contracts. The new guidance is effective for interim and annual periods, beginning after December 15, 2017, with early adoption permitted. Transition to the new standard requires a retrospective approach but application is permitted either on a full or modified basis, the latter by recognition of a cumulative-effect adjustment to opening equity in the period of initial adoption. On January 1, 2018, the Company will adopt the new revenue recognition guidance on a modified retrospective basis and provide in its first quarter 2018 reporting the additional disclosures required by the new standard. Revenues within the scope of this standard and subject to the Company’s analysis largely emerge from its investment in AllianceBernstein, as reported in the Company’s Investment Management and Research segment, but also result from the Company’s indirect wholly-owned subsidiaries, namely FMG as well as retail and wholesale broker-dealer operations. Based on the assessments performed to-date, pre-tax
Closed Block		Closed Block As a result of demutualization, the Company’s Closed Block was established in 1992 for the benefit of certain individual participating policies that were in force on that date. Assets, liabilities and earnings of the Closed Block are specifically identified to support its participating policyholders. Assets allocated to the Closed Block inure solely to the benefit of the Closed Block policyholders and will not revert to the benefit of the Company. No reallocation, transfer, borrowing or lending of assets can be made between the Closed Block and other portions of the Company’s general account (the “General Account”), any of its separate accounts (the “Separate Accounts”) or any affiliate of the Company without the approval of the New York State Department of Financial Services (the “NYDFS”). Closed Block assets and liabilities are carried on the same basis as similar assets and liabilities held in the General Account. The excess of Closed Block liabilities over Closed Block assets (adjusted to exclude the impact of related amounts in AOCI) represents the expected maximum future post-tax If the actual cumulative earnings from the Closed Block are greater than the expected cumulative earnings, only the expected earnings will be recognized in net income. Actual cumulative earnings in excess of expected cumulative earnings at any point in time are recorded as a policyholder dividend obligation because they will ultimately be paid to Closed Block policyholders as an additional policyholder dividend unless offset by future performance that is less favorable than originally expected. If a policyholder dividend obligation has been previously established and the actual Closed Block earnings in a subsequent period are less than the expected earnings for that period, the policyholder dividend obligation would be reduced (but not below zero). If, over the period the policies and contracts in the Closed Block remain in force, the actual cumulative earnings of the Closed Block are less than the expected cumulative earnings, only actual earnings would be recognized in income from continuing operations. If the Closed Block has insufficient funds to make guaranteed policy benefit payments, such payments will be made from assets outside the Closed Block. Many expenses related to Closed Block operations, including amortization of deferred policy acquisition costs (“DAC”), are charged to operations outside of the Closed Block; accordingly, net revenues of the Closed Block do not represent the actual profitability of the Closed Block operations. Operating costs and expenses outside of the Closed Block are, therefore, disproportionate to the business outside of the Closed Block.
Investments		Investments The carrying values of fixed maturities classified as available-for-sale The Company determines the fair values of fixed maturities and equity securities based upon quoted prices in active markets, when available, or through the use of alternative approaches when market quotes are not readily accessible or available. These alternative approaches include matrix or model pricing and use of independent pricing services, each supported by reference to principal market trades or other observable market assumptions for similar securities. More specifically, the matrix pricing approach to fair value is a discounted cash flow methodology that incorporates market interest rates commensurate with the credit quality and duration of the investment. The Company’s management, with the assistance of its investment advisors, monitors the investment performance of its portfolio and reviews AFS securities with unrealized losses for other-than-temporary impairments (“OTTI”). Integral to this review is an assessment made each quarter, on a security-by-security If there is no intent to sell or likely requirement to dispose of the fixed maturity security before its recovery, only the credit loss component of any resulting OTTI is recognized in income (loss) and the remainder of the fair value loss is recognized in OCI. The amount of credit loss is the shortfall of the present value of the cash flows expected to be collected as compared to the amortized cost basis of the security. The present value is calculated by discounting management’s best estimate of projected future cash flows at the effective interest rate implicit in the debt security at the date of acquisition. Projections of future cash flows are based on assumptions regarding probability of default and estimates regarding the amount and timing of recoveries. These assumptions and estimates require use of management judgment and consider internal credit analyses as well as market observable data relevant to the collectability of the security. For mortgage- and asset-backed securities, projected future cash flows also include assumptions regarding prepayments and underlying collateral value. Real estate held for the production of income is stated at depreciated cost less valuation allowances. Depreciation of real estate held for production of income is computed using the straight-line method over the estimated useful lives of the properties, which generally range from 40 to 50 years. Policy loans represent funds loaned to policyholders up to the cash surrender value of the associated insurance policies and are carried at the unpaid principal balances due to the Company from the policyholders. Interest income on policy loans is recognized in net investment income at the contract interest rate when earned. Policy loans are fully collateralized by the cash surrender value of the associated insurance policies. Partnerships, investment companies and joint venture interests that the Company has control of and has an economic interest in or those that meet the requirements for consolidation under accounting guidance for consolidation of VIEs are consolidated. Those that the Company does not have control of and does not have a majority economic interest in and those that do not meet the VIE requirements for consolidation are reported on the equity method of accounting and are reported in other equity investments. The Company records its interests in certain of these partnerships on a month or one quarter lag. Equity securities, which include common stock, and non-redeemable Trading securities, which include equity securities and fixed maturities, are carried at fair value based on quoted market prices, with realized and unrealized gains (losses) reported in net investment income (loss) in the statements of Net income (loss). Corporate owned life insurance (“COLI”) has been purchased by the Company and certain subsidiaries on the lives of certain key employees and the Company and these subsidiaries are named as beneficiaries under these policies. COLI is carried at the cash surrender value of the policies. At December 31, 2017, 2016, and 2015, the carrying value of COLI was $918 million, $889 million and $891 million, respectively, and is reported in Other invested assets in the consolidated balance sheets. Short-term investments are reported at amortized cost that approximates fair value and are included in Other invested assets. The Company classifies as short-term securities purchased with a maturity of twelve months or less. Cash and cash equivalents includes cash on hand, demand deposits, money market accounts, overnight commercial paper and highly liquid debt instruments purchased with an original maturity of three months or less. Due to the short-term nature of these investments, the recorded value is deemed to approximate fair value. Cash and securities segregated primarily includes U.S. Treasury Bills segregated by AB in a special reserve bank custody account for the exclusive benefit of its brokerage customers under Rule 15c3-3 All securities owned, including U.S. government and agency securities, mortgage-backed securities, futures and forwards transactions, are reported in the consolidated financial statements on a trade date basis.
Derivatives		Derivatives Derivatives are financial instruments whose values are derived from interest rates, foreign exchange rates, financial indices, values of securities or commodities, credit spreads, market volatility, expected returns, and liquidity. Values can also be affected by changes in estimates and assumptions, including those related to counterparty behavior and non-performance over-the-counter Freestanding derivative contracts are reported in the consolidated balance sheets either as assets within “Other invested assets” or as liabilities within “Other liabilities.” The Company nets the fair value of all derivative financial instruments with counterparties for which an ISDA Master Agreement and related Credit Support Annex (“CSA”) have been executed. The Company uses derivatives to manage asset/liability risk and has designated some of those economic relationships under the criteria to qualify for hedge accounting treatment. All changes in the fair value of the Company’s freestanding derivative positions not designated to hedge accounting relationships, including net receipts and payments, are included in “Net derivative gains (losses)” without considering changes in the fair value of the economically associated assets or liabilities. The Company is a party to financial instruments and other contracts that contain “embedded” derivative instruments. At inception, the Company assesses whether the economic characteristics of the embedded instrument are “clearly and closely related” to the economic characteristics of the remaining component of the “host contract” and whether a separate instrument with the same terms as the embedded instrument would meet the definition of a derivative instrument. When those criteria are satisfied, the resulting embedded derivative is bifurcated from the host contract, carried in the consolidated balance sheets at fair value, and changes in its fair value are recognized immediately and captioned in the consolidated statements of income (loss) according to the nature of the related host contract. For certain financial instruments that contain an embedded derivative that otherwise would need to be bifurcated and reported at fair value, the Company instead may elect to carry the entire instrument at fair value.
Securities Repurchase and Reverse Repurchase Agreements		Securities Repurchase and Reverse Repurchase Agreements Securities repurchase and reverse repurchase transactions involve the temporary exchange of securities for cash or other collateral of equivalent value, with agreement to redeliver a like quantity of the same or similar securities at a future date prior to maturity at a fixed and determinable price. Transfers of securities under these agreements to repurchase or resell are evaluated by the Company to determine whether they satisfy the criteria for accounting treatment as secured borrowing or lending arrangements. Agreements not meeting the criteria would require recognition of the transferred securities as sales or purchases with related forward repurchase or resale commitments. All of the Company’s securities repurchase transactions are accounted for as collateralized borrowings with the related obligations distinctly captioned in the consolidated balance sheets. Earnings from investing activities related to the cash received under the Company’s securities repurchase arrangements are reported in the consolidated statements of income (loss) as “Net investment income” and the associated borrowing cost is reported as “Interest expense.” The Company has not actively engaged in securities reverse repurchase transactions.
Commercial and Agricultural Mortgage Loans on Real Estate		Commercial and Agricultural Mortgage Loans On Real Estate Mortgage loans are stated at unpaid principal balances, net of unamortized discounts and valuation allowances. Valuation allowances are based on the present value of expected future cash flows discounted at the loan’s original effective interest rate or on its collateral value if the loan is collateral dependent. However, if foreclosure is or becomes probable, the collateral value measurement method is used. For commercial and agricultural mortgage loans, an allowance for credit loss is typically recommended when management believes it is probable that principal and interest will not be collected according to the contractual terms. Factors that influence management’s judgment in determining allowance for credit losses include the following: • Loan-to-value loan-to-value loan-to-value • Debt service coverage ratio – Derived from actual operating earnings divided by annual debt service. If the ratio is below 1.0x, then the income from the property does not support the debt. • Occupancy – Criteria varies by property type but low or below market occupancy is an indicator of sub-par • Lease expirations – The percentage of leases expiring in the upcoming 12 to 36 months are monitored as a decline in rent and/or occupancy may negatively impact the debt service coverage ratio. In the case of single-tenant properties or properties with large tenant exposure, the lease expiration is a material risk factor. • Maturity – Mortgage loans that are not fully amortizing and have upcoming maturities within the next 12 to 24 months are monitored in conjunction with the capital markets to determine the borrower’s ability to refinance the debt and/or pay off the balloon balance. • Borrower/tenant related issues – Financial concerns, potential bankruptcy, or words or actions that indicate imminent default or abandonment of property. • Payment status (current vs. delinquent) – A history of delinquent payments may be a cause for concern. • Property condition – Significant deferred maintenance observed during the lenders annual site inspections. • Other – Any other factors such as current economic conditions may call into question the performance of the loan. Mortgage loans also are individually evaluated quarterly by the Company’s IUS Committee for impairment, including an assessment of related collateral value. Commercial mortgages 60 days or more past due and agricultural mortgages 90 days or more past due, as well as all mortgages in the process of foreclosure, are identified as problem mortgages. Based on its monthly monitoring of mortgages, a class of potential problem mortgages are also identified, consisting of mortgage loans not currently classified as problem mortgages but for which management has doubts as to the ability of the borrower to comply with the present loan payment terms and which may result in the loan becoming a problem or being restructured. The decision whether to classify a performing mortgage loan as a potential problem involves significant subjective judgments by management as to likely future industry conditions and developments with respect to the borrower or the individual mortgaged property. For problem mortgage loans, a valuation allowance is established to provide for the risk of credit losses inherent in the lending process. The allowance includes loan specific reserves for mortgage loans determined to be non-performing non-performing non-performing Impaired mortgage loans without provision for losses are mortgage loans where the fair value of the collateral or the net present value of the expected future cash flows related to the loan equals or exceeds the recorded investment. Interest income earned on mortgage loans where the collateral value is used to measure impairment is recorded on a cash basis. Interest income on mortgage loans where the present value method is used to measure impairment is accrued on the net carrying value amount of the loan at the interest rate used to discount the cash flows. Changes in the present value attributable to changes in the amount or timing of expected cash flows are reported as investment gains or losses. Mortgage loans are placed on nonaccrual status once management believes the collection of accrued interest is doubtful. Once mortgage loans are classified as nonaccrual mortgage loans, interest income is recognized under the cash basis of accounting and the resumption of the interest accrual would commence only after all past due interest has been collected or the mortgage loan has been restructured to where the collection of interest is considered likely. At December 31, 2017, 2016 and 2015, the carrying values of commercial mortgage loans that had been classified as nonaccrual mortgage loans were $19 million, $34 million and $72 million, respectively.
Troubled Debt Restructurings		Troubled Debt Restructuring When a loan modification is determined to be a troubled debt restructuring (“TDR”), the impairment of the loan is re-measured Net Investment Income (Loss), Investment Gains (Losses), Net and Unrealized Investment Gains (Losses) Realized investment gains (losses) are determined by identification with the specific asset and are presented as a component of revenue. Changes in the valuation allowances are included in Investment gains (losses), net. Realized and unrealized holding gains (losses) on trading securities are reflected in Net investment income (loss). Unrealized investment gains (losses) on fixed maturities and equity securities designated as AFS held by the Company are accounted for as a separate component of AOCI, net of related deferred income taxes, as are amounts attributable to certain pension operations, Closed Block’s policyholders dividend obligation, insurance liability loss recognition, DAC related to UL policies, investment-type products and participating traditional life policies. Changes in unrealized gains (losses) reflect changes in fair value of only those fixed maturities and equity securities classified as AFS and do not reflect any change in fair value of policyholders’ account balances and future policy benefits.
Fair Value Of Financial Instruments		Fair Value of Financial Instruments Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The accounting guidance establishes a fair value hierarchy that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value, and identifies three levels of inputs that may be used to measure fair value: Level 1 Unadjusted quoted prices for identical instruments in active markets. Level 1 fair values generally are supported by market transactions that occur with sufficient frequency and volume to provide pricing information on an ongoing basis. Level 2 Observable inputs other than Level 1 prices, such as quoted prices for similar instruments, quoted prices in markets that are not active, and inputs to model-derived valuations that are directly observable or can be corroborated by observable market data. Level 3 Unobservable inputs supported by little or no market activity and often requiring significant management judgment or estimation, such as an entity’s own assumptions about the cash flows or other significant components of value that market participants would use in pricing the asset or liability. The Company uses unadjusted quoted market prices to measure fair value for those instruments that are actively traded in financial markets. In cases where quoted market prices are not available, fair values are measured using present value or other valuation techniques. The fair value determinations are made at a specific point in time, based on available market information and judgments about the financial instrument, including estimates of the timing and amount of expected future cash flows and the credit standing of counterparties. Such adjustments do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument, nor do they consider the tax impact of the realization of unrealized gains or losses. In many cases, the fair value cannot be substantiated by direct comparison to independent markets, nor can the disclosed value be realized in immediate settlement of the instrument. Management is responsible for the determination of the value of investments carried at fair value and the supporting methodologies and assumptions. Under the terms of various service agreements, the Company often utilizes independent valuation service providers to gather, analyze, and interpret market information and derive fair values based upon relevant methodologies and assumptions for individual securities. These independent valuation service providers typically obtain data about market transactions and other key valuation model inputs from multiple sources and, through the use of widely accepted valuation models, provide a single fair value measurement for individual securities for which a fair value has been requested. As further described below with respect to specific asset classes, these inputs include, but are not limited to, market prices for recent trades and transactions in comparable securities, benchmark yields, interest rate yield curves, credit spreads, quoted prices for similar securities, and other market-observable information, as applicable. Specific attributes of the security being valued also are considered, including its term, interest rate, credit rating, industry sector, and when applicable, collateral quality and other security- or issuer-specific information. When insufficient market observable information is available upon which to measure fair value, the Company either will request brokers knowledgeable about these securities to provide a non-binding
Recognition of Insurance Income and Related Expenses		Recognition of Insurance Income and Related Expenses Deposits related to universal life (“UL”) and investment-type contracts are reported as deposits to policyholders’ account balances. Revenues from these contracts consist of fees assessed during the period against policyholders’ account balances for mortality charges, policy administration charges and surrender charges. Policy benefits and claims that are charged to expense include benefit claims incurred in the period in excess of related policyholders’ account balances. Premiums from participating and non-participating For contracts with a single premium or a limited number of premium payments due over a significantly shorter period than the total period over which benefits are provided, premiums are recorded as revenue when due with any excess profit deferred and recognized in income in a constant relationship to insurance in-force Premiums from individual health contracts are recognized as income over the period to which the premiums relate in proportion to the amount of insurance protection provided.
DAC		DAC Acquisition costs that vary with and are primarily related to the acquisition of new and renewal insurance business, reflecting incremental direct costs of contract acquisition with independent third parties or employees that are essential to the contract transaction, as well as the portion of employee compensation, including payroll fringe benefits and other costs directly related to underwriting, policy issuance and processing, medical inspection, and contract selling for successfully negotiated contracts including commissions, underwriting, agency and policy issue expenses, are deferred. DAC is subject to recoverability testing at the time of policy issue and loss recognition testing at the end of each accounting period. After the initial establishment of reserves, premium deficiency and loss recognition tests are performed each period end using best estimate assumptions as of the testing date without provisions for adverse deviation. When the liabilities for future policy benefits plus the present value of expected future gross premiums for the aggregate product group are insufficient to provide for expected future policy benefits and expenses for that line of business (i.e., reserves net of any DAC asset), DAC would first be written off and thereafter, if required, a premium deficiency reserve would be established by a charge to earnings. Amortization Policy. In accordance with the guidance for the accounting and reporting by insurance enterprises for certain long-duration contracts and participating contracts and for realized gains and losses from the sale of investments, current and expected future profit margins for products covered by this guidance are examined regularly in determining the amortization of DAC. DAC associated with certain variable annuity products is amortized based on estimated assessments, with DAC on the remainder of variable annuities, UL and investment-type products amortized over the expected total life of the contract group as a constant percentage of estimated gross profits arising principally from investment results, separate account fees, mortality and expense margins and surrender charges based on historical and anticipated future experience, embedded derivatives and changes in the reserve of products that have indexed features such as SCS IUL and MSO, updated at the end of each accounting period. When estimated gross profits are expected to be negative for multiple years of a contract life, DAC are amortized using the present value of estimated assessments. The effect on the amortization of DAC of revisions to estimated gross profits or assessments is reflected in earnings (loss) in the period such estimated gross profits or assessments are revised. A decrease in expected gross profits or assessments would accelerate DAC amortization. Conversely, an increase in expected gross profits or assessments would slow DAC amortization. The effect on the DAC assets that would result from realization of unrealized gains (losses) is recognized with an offset to AOCI in consolidated equity as of the balance sheet date. A significant assumption in the amortization of DAC on variable annuities and, to a lesser extent, on variable and interest-sensitive life insurance relates to projected future separate account performance. Management sets estimated future gross profit or assessment assumptions related to separate account performance using a long-term view of expected average market returns by applying a reversion to the mean (“RTM”) approach, a commonly used industry practice. This future return approach influences the projection of fees earned, as well as other sources of estimated gross profits. Returns that are higher than expectations for a given period produce higher than expected account balances, increase the fees earned resulting in higher expected future gross profits and lower DAC amortization for the period. The opposite occurs when returns are lower than expected. In applying this approach to develop estimates of future returns, it is assumed that the market will return to an average gross long-term return estimate, developed with reference to historical long-term equity market performance. Based upon management’s current expectations of interest rates and future fund growth, the Company updated its RTM assumption from 9.0% to 7.0%. The average gross long-term return measurement start date was also updated to December 31, 2014. Management has set limitations as to maximum and minimum future rate of return assumptions, as well as a limitation on the duration of use of these maximum or minimum rates of return. At December 31, 2017, the average gross short-term and long-term annual return estimate on variable and interest-sensitive life insurance and variable annuities was 7.0% (4.7% net of product weighted average separate account fees), and the gross maximum and minimum short-term If actual market returns continue at levels that would result in assuming future market returns of 15.0% for more than five years in order to reach the average gross long-term return estimate, the application of the five year maximum duration limitation would result in an acceleration of DAC amortization. Conversely, actual market returns resulting in assumed future market returns of 0.0% for more than five years would result in a required deceleration of DAC amortization. In addition, projections of future mortality assumptions related to variable and interest-sensitive life products are based on a long-term average of actual experience. This assumption is updated periodically to reflect recent experience as it emerges. Improvement of life mortality in future periods from that currently projected would result in future deceleration of DAC amortization. Conversely, deterioration of life mortality in future periods from that currently projected would result in future acceleration of DAC amortization. Other significant assumptions underlying gross profit estimates for UL and investment type products relate to contract persistency and General Account investment spread. For participating traditional life policies (substantially all of which are in the Closed Block), DAC is amortized over the expected total life of the contract group as a constant percentage based on the present value of the estimated gross margin amounts expected to be realized over the life of the contracts using the expected investment yield. At December 31, 2017, the average rate of assumed investment yields, excluding policy loans, for the Company was 4.7% grading to 4.3% over seven years. Estimated gross margins include anticipated premiums and investment results less claims and administrative expenses, changes in the net level premium reserve and expected annual policyholder dividends. The effect on the accumulated amortization of DAC of revisions to estimated gross margins is reflected in earnings in the period such estimated gross margins are revised. The effect on the DAC assets that would result from realization of unrealized gains (losses) is recognized with an offset to AOCI in consolidated equity as of the balance sheet date. Many of the factors that affect gross margins are included in the determination of the Company’s dividends to these policyholders. DAC adjustments related to participating traditional life policies do not create significant volatility in results of operations as the Closed Block recognizes a cumulative policyholder dividend obligation expense in “Policyholders’ dividends,” for the excess of actual cumulative earnings over expected cumulative earnings as determined at the time of demutualization. DAC associated with non-participating For some products, policyholders can elect to modify product benefits, features, rights or coverages that occur by the exchange of a contract for a new contract, or by amendment, endorsement, or rider to a contract, or by election or coverage within a contract. These transactions are known as internal replacements. If such modification substantially changes the contract, the associated DAC is written off immediately through income and any new deferrable costs associated with the replacement contract are deferred. If the modification does not substantially change the contract, the DAC amortization on the original contract will continue and any acquisition costs associated with the related modification are expensed.
Policyholder Bonus Interest Credits		Policyholder Bonus Interest Credits Policyholder bonus interest credits are offered on certain deferred annuity products in the form of either immediate bonus interest credited or enhanced interest crediting rates for a period of time. The interest crediting expense associated with these policyholder bonus interest credits is deferred and amortized over the lives of the underlying contracts in a manner consistent with the amortization of DAC. Unamortized balances are included in Other assets in the consolidated balance sheets and amortization is included in Interest credited to policyholders’ account balances in the consolidated statements of income (loss).
Policyholders' Account Balances and Future Policy Benefits		Policyholders’ Account Balances and Future Policy Benefits Policyholders’ account balances for UL and investment-type contracts are equal to the policy account values. The policy account values represent an accumulation of gross premium, investment performance and interest credited, net of surrenders, withdrawals, benefits and charges. For participating traditional life policies, future policy benefit liabilities are calculated using a net level premium method on the basis of actuarial assumptions equal to guaranteed mortality and dividend fund interest rates. The liability for annual dividends represents the accrual of annual dividends earned. Terminal dividends are accrued in proportion to gross margins over the life of the contract. For non-participating Individual health benefit liabilities for active lives are estimated using the net level premium method and assumptions as to future morbidity, withdrawals and interest. Benefit liabilities for disabled lives are estimated using the present value of benefits method and experience assumptions as to claim terminations, expenses and interest. While management believes its disability income (“DI”) reserves have been calculated on a reasonable basis and are adequate, there can be no assurance reserves will be sufficient to provide for future liabilities. When the liabilities for future policy benefits plus the present value of expected future gross premiums for a product are insufficient to provide for expected future policy benefits and expenses for that product, DAC is written off and thereafter, if required, a premium deficiency reserve is established by a charge to earnings. Funding agreements are reported in Policyholders’ account balances in the consolidated balance sheets. As a member of the Federal Home Loan Bank of New York (“FHLBNY”), the Company has access to collateralized borrowings. The Company may also issue funding agreements to the FHLBNY. Both the collateralized borrowings and funding agreements would require the Company to pledge qualified mortgage-backed assets and/or government securities as collateral. For reinsurance contracts other than those accounted for as derivatives, reinsurance recoverable balances are calculated using methodologies and assumptions that are consistent with those used to calculate the direct liabilities. The Company has issued and continues to offer certain variable annuity products with guaranteed minimum death benefits (“GMDB”) and/or contain a guaranteed minimum living benefit (“GMLB,” and together with GMDB, the “GMxB features”) which, if elected by the policyholder after a stipulated waiting period from contract issuance, guarantees a minimum lifetime annuity based on predetermined annuity purchase rates that may be in excess of what the contract account value can purchase at then-current annuity purchase rates. This minimum lifetime annuity is based on predetermined annuity purchase rates applied to a guaranteed minimum income benefit (“GMIB”) base. The Company previously issued certain variable annuity products with and guaranteed income benefit (“GIB”) features, guaranteed withdrawal benefit for life (“GWBL”), guaranteed minimum withdrawal benefit (“GMWB”) and guaranteed minimum accumulation benefit (“GMAB”) features. The Company has also assumed reinsurance for products with GMxB features. Reserves for products that have GMIB features, but do not have no-lapse Products that have a GMIB feature with a no-lapse After the initial establishment of reserves, premium deficiency and loss recognition tests are performed each period end using best estimate assumptions as of the testing date without provisions for adverse deviation. When the liabilities for future policy benefits plus the present value of expected future gross premiums for the aggregate product group are insufficient to provide for expected future policy benefits and expenses for that line of business (i.e., reserves net of any DAC asset), DAC would first be written off and thereafter, if required, a premium deficiency reserve would be established by a charge to earnings. Premium deficiency reserves have been recorded for the group single premium annuity business, certain interest-sensitive life contracts, structured settlements, individual disability income and major medical. Additionally, in certain instances the policyholder liability for a particular line of business may not be deficient in the aggregate to trigger loss recognition, but the pattern of earnings may be such that profits are expected to be recognized in earlier years followed by losses in later years. In these situations, accounting standards require that an additional profits followed by loss liability be recognized by an amount necessary to sufficiently offset the losses that would be recognized in later years.
Embedded and Freestanding Insurance Derivatives		Embedded and Freestanding Insurance Derivatives Reserves for products considered either embedded or freestanding derivatives are measured at estimated fair value separately from the host variable annuity product, with changes in estimated fair value reported in Net derivative gains (losses). The estimated fair values of these derivatives are determined based on the present value of projected future benefits minus the present value of projected future fees attributable to the guarantee. The projections of future benefits and future fees require capital markets and actuarial assumptions, including expectations concerning policyholder behavior. A risk neutral valuation methodology is used under which the cash flows from the guarantees are projected under multiple capital market scenarios using observable risk-free rates. Additionally, the Company cedes and assumes reinsurance for products with GMxB features, which are considered an embedded when part of a reinsurance contract covers risks not treated as derivative or a freestanding derivative otherwise. The GMxB reinsurance contract asset and liabilities’ fair value reflects the present value of reinsurance premiums and recoveries and risk margins over a range of market consistent economic scenarios. Changes in the fair value of embedded and freestanding derivatives are reported on the consolidated statements of income (loss) in Net derivative gains (losses). Reserves for embedded derivatives liabilities and assumed reinsurance contracts are reported in Future policyholders’ benefits and other policyholders’ liabilities and the GMIB reinsurance contract asset, at fair value is reported in a stand-alone line in the consolidated balance sheets. Embedded and freestanding insurance derivatives fair values are determined based on the present value of projected future benefits minus the present value of projected future fees. At policy inception, a portion of the projected future guarantee fees to be collected from the policyholder equal to the present value of projected future guaranteed benefits is attributed to the embedded derivative. The percentage of fees included in the fair value measurement is locked-in
Policyholders' Dividend		Policyholders’ Dividends The amount of policyholders’ dividends to be paid (including dividends on policies included in the Closed Block) is determined annually by the board of directors of the issuing insurance company. The aggregate amount of policyholders’ dividends is related to actual interest, mortality, morbidity and expense experience for the year and judgment as to the appropriate level of statutory surplus to be retained by the Company.
Separate Account		Separate Accounts Generally, Separate Accounts established under New York State and Arizona State Insurance Law are not chargeable with liabilities that arise from any other business of the Company. Separate Account assets are subject to General Account claims only to the extent Separate Account assets exceed separate accounts liabilities. Assets and liabilities of the Separate Account represent the net deposits and accumulated net investment earnings (loss) less fees, held primarily for the benefit of policyholders, and for which the Company does not bear the investment risk. Separate Account assets and liabilities are shown on separate lines in the consolidated balance sheets. Assets held in Separate Accounts are reported at quoted market values or, where quoted values are not readily available or accessible for these securities, their fair value measures most often are determined through the use of model pricing that effectively discounts prospective cash flows to present value using appropriate sector-adjusted credit spreads commensurate with the security’s duration, also taking into consideration issuer-specific credit quality and liquidity. Investment performance (including investment income, net investment gains (losses) and changes in unrealized gains (losses)) and the corresponding amounts credited to policyholders of such Separate Account are offset within the same line in the consolidated statements of income (loss). For 2017, 2016 and 2015, investment results of such Separate Accounts were gains (losses) of $17,042 million, $8,275 million and $(1,160) million, respectively. Deposits to Separate Accounts are reported as increases in Separate Account assets and liabilities and are not reported in revenues or expenses. Mortality, policy administration and surrender charges on all policies including those funded by Separate Accounts are included in revenues. The Company reports the General Account’s interests in Separate Accounts as Other equity investments in the consolidated balance sheets. Recognition of Investment Management and Service Fees and Related Expenses
Recognition of Investment Management and Service Fees and Related Expenses		Investment Management and Research Investment management and service fees principally include the Investment Management and Research segment’s investment advisory and service fees, distribution revenues and institutional research services revenue. Investment advisory and service base fees, generally calculated as a percentage, referred to as basis points (“BPs”), of assets under management, are recorded as revenue as the related services are performed. Certain investment advisory contracts, including those associated with hedge funds, provide for a performance-based fee, in addition to or in lieu of a base fee which is calculated as either a percentage of absolute investment results or a percentage of the investment results in excess of a stated benchmark over a specified period of time. Performance-based fees are recorded as a component of revenue at the end of each contract’s measurement period. Institutional research services revenue consists of brokerage transaction charges received by Sanford C. Bernstein & Co. LLC (“SCB LLC”) and Sanford C. Bernstein Limited (“SCBL”) for independent research and brokerage-related services provided to institutional investors. Brokerage transaction charges earned and related expenses are recorded on a trade date basis. Distribution revenues and shareholder servicing fees are accrued as earned. Commissions paid to financial intermediaries in connection with the sale of shares of open-end front-end (“back-end one-half non-U.S. back-end Non-U.S. back-end Management periodically reviews the deferred sales commission asset for impairment as events or changes in circumstances indicate that the carrying value may not be recoverable. If these factors indicate impairment in value, a comparison is made of the carrying value to the undiscounted cash flows expected to be generated by the asset over its remaining life. If it is determined the deferred sales commission asset is not fully recoverable, the asset will be deemed impaired and a loss will be recorded in the amount by which the recorded amount of the asset exceeds its estimated fair value.
Retirement and Protection		Retirement and Protection Investment management and service fees also includes fees earned by AXA Equitable Funds Management Group, LLC (“AXA Equitable FMG”) from providing investment management and administrative services to AXA Premier VIP Trust (“VIP Trust”), EQ Advisors Trust (“EQAT”) and 1290 Funds as well as two private investment trusts established in the Cayman Islands, AXA Allocation Funds Trusts and AXA Offshore Multimanager Funds Trust (collectively, the “Other AXA Trusts”). AXA Equitable FMG’s administrative services include, among others, fund accounting and compliance services. AXA Equitable FMG has entered into sub-advisory sub-advisory sub-administration sub-administration AXA Equitable FMG’s fees related to its services are calculated as a percentage of assets under management and are recorded in Investment management and service fees in the consolidated statements of income (loss) as the related services are performed. Sub-advisory sub-administrative
Broker-Dealer Revenues		Broker-Dealer Revenues AXA Advisors and certain of the Company’s other subsidiaries provide investment management, brokerage, and distribution services for affiliates and third parties. Third-party revenues earned from these services are reported in Other income in the Company’s consolidated statement of income (loss).
Goodwill and Other Intangible Assets		Goodwill and Other Intangible Assets Goodwill recorded by the Company represents the excess of purchase price over the estimated fair value of identifiable net assets of companies acquired in a business combination and relates principally to the acquisition of SCB Inc., an investment research and management company formerly known as Sanford C. Bernstein Inc. (“Bernstein Acquisition”) and the purchase of units of the limited partnership interest in ABLP (“AB Units”). The Company tests goodwill for recoverability each annual reporting period at December 31 and at interim periods if facts or circumstances are indicative of potential impairment. Effective January 1, 2017, the Company early-adopted new guidance that eliminated Step 2 testing from the goodwill impairment model and continued to limit the measurement of any goodwill impairment to the carrying value of the reporting unit’s goodwill. The Company’s intangible assets primarily relate to the Bernstein Acquisition and purchases of AB Units and reflect amounts assigned to acquired investment management contracts based on their estimated fair values at the time of acquisition, less accumulated amortization. These intangible assets generally are amortized on a straight-line basis over their estimated useful life, ranging from six to twenty years. All intangible assets are periodically reviewed for impairment as events or changes in circumstances indicate that the carrying value may not be recoverable. If the carrying value exceeds fair value, impairment tests are performed to measure the amount of the impairment loss, if any. Internal-use Capitalized internal-use
Income Taxes		Income Taxes The Company and certain of its consolidated subsidiaries and affiliates file a consolidated federal income tax return. The Company provides for federal and state income taxes currently payable, as well as those deferred due to temporary differences between the financial reporting and tax bases of assets and liabilities. Current federal income taxes are charged or credited to operations based upon amounts estimated to be payable or recoverable as a result of taxable operations for the current year. Deferred income tax assets and liabilities are recognized based on the difference between financial statement carrying amounts and income tax bases of assets and liabilities using enacted income tax rates and laws. Valuation allowances are established when management determines, based on available information, that it is more likely than not that deferred tax assets will not be realized. Under accounting for uncertainty in income taxes guidance, the Company determines whether it is more likely than not that a tax position will be sustained upon examination by the appropriate taxing authorities before any part of the benefit can be recorded in the consolidated financial statements. Tax positions are then measured at the largest amount of benefit that is greater than 50% likely of being realized upon settlement. ABLP is a private partnership for federal income tax purposes and, accordingly, is not subject to federal and state corporate income taxes. However, ABLP is subject to a 4.0% New York City unincorporated business tax (“UBT”). AB Holding is subject to a 3.5% federal tax on partnership gross income from the active conduct of a trade or business. Domestic corporate subsidiaries of AB are subject to federal, state and local income taxes. Foreign corporate subsidiaries are generally subject to taxes in the foreign jurisdictions where they are located. The Company provides federal and state income taxes on the undistributed earnings of non-U.S. As required under accounting for income taxes, the Company determined reasonable estimates for certain effects of the Tax Cuts and Jobs Act enacted on December 22, 2017 and recorded those estimates as provisional amounts in the 2017 consolidated financial statements. In accordance with SEC Staff Accounting Bulletin No. 118 (“SAB 118”), the Company may make additional adjustments during 2018 (the measurement period) to the income tax balance sheet and income statement accounts as the U.S. Department of the Treasury issues further guidance and interpretations.
Accounting and Consolidation of VIEs	Accounting and Consolidation of Variable Interest Entities (“VIEs”)	Accounting and Consolidation of VIEs For all new investment products and entities developed by the Company (other than Collateralized Debt Obligations (“CDOs”)), the Company first determines whether the entity is a VIE, which involves determining an entity’s variability and variable interests, identifying the holders of the equity investment at risk and assessing the five characteristics of a VIE. Once an entity has been determined to be a VIE, the Company then identifies the primary beneficiary of the VIE. If the Company is deemed to be the primary beneficiary of the VIE, then the Company consolidates the entity. The Company provides seed capital to its investment teams to develop new products and services for their clients. The Company’s original seed investment typically represents all or a majority of the equity investment in the new product and is temporary in nature. The Company evaluates its seed investments on a quarterly basis to determine whether consolidation is required. Management of the Company reviews quarterly its investment management agreements and its investments in, and other financial arrangements with, certain entities that hold client assets under management (“AUM”) to determine the entities that the Company is required to consolidate under this guidance. These entities include certain mutual fund products, hedge funds, structured products, group trusts, collective investment trusts and limited partnerships. A VIE must be consolidated by its primary beneficiary, which generally is defined as the party that has a controlling financial interest in the VIE. The Company is deemed to have a controlling financial interest in a VIE if it has (i) the power to direct the activities of the VIE that most significantly affect the VIE’s economic performance, and (ii) the obligation to absorb losses of the VIE or the right to receive income from the VIE that potentially could be significant to the VIE. For purposes of evaluating (ii) above, fees paid to the Company as a decision maker or service provider are excluded if the fees are compensation for services provided commensurate with the level of effort required to be performed and the arrangement includes only customary terms, conditions or amounts present in arrangements for similar services negotiated at arm’s length. If the Company has a variable interest in an entity that is determined not to be a VIE, the entity then is evaluated for consolidation under the voting interest entity (“VOE”) model. For limited partnerships and similar entities, the Company is deemed to have a controlling financial interest in a VOE, and would be required to consolidate the entity, if the Company owns a majority of the entity’s kick-out The analysis performed to identify variable interests held, determine whether entities are VIEs or VOEs, and evaluate whether the Company has a controlling financial interest in such entities requires the exercise of judgment and is updated on a continuous basis as circumstances change or new entities are developed. The primary beneficiary evaluation generally is performed qualitatively based on all facts and circumstances, including consideration of economic interests in the VIE held directly and indirectly through related parties and entities under common control, as well as quantitatively, as appropriate. At December 31, 2017, the Company held approximately $1,131 million of investment assets in the form of equity interests issued by non-corporate At December 31, 2017, the Company consolidated three real estate joint ventures for which it was identified as primary beneficiary under the VIE model. Two of the joint ventures are owned 95% by the Company and 5% by the venture partner. The third consolidated entity is jointly owned by AXA Equitable and AXA France and holds an investment in a real estate venture. Included in the Company’s consolidated balance sheets at December 31, 2017 and 2016, respectively, are total assets of $393 million and $36 million related to these VIEs, primarily resulting from the consolidated presentation of $372 million and $36 million of real estate held for production of income. Also resulting from the Company’s consolidated presentation of these VIEs are total liabilities of $229 million and $11 million at December 31, 2017 and 2016, respectively, including long term debt in the amount of $203 million and $0 million. In addition, real estate held for production of income reflects $18 million and $20 million as related to two non-consolidated Included in the Company’s consolidated balance sheet at December 31, 2017 are assets of $1,550 million, liabilities of $696 million and redeemable non-controlling AB-sponsored non-controlling AB-sponsored non-redeemable As of December 31, 2017, the net assets of investment products sponsored by AB that are nonconsolidated VIEs are approximately $53,600 million and the Company’s maximum exposure to loss from its direct involvement with these VIEs is its investment of $7.9 million at December 31, 2017. The Company has no further commitments to or economic interest in these VIEs.
Assumption Updates and Model Changes		Assumption Updates and Model Changes In 2017, the Company made several assumption updates and model changes, including the following: (1) updated the expectation of long-term Separate Accounts volatility used in estimating policyholders’ benefits for variable annuities with GMDB and GMIB guarantees and variable universal life contracts with secondary guarantees; (2) updated the estimated duration used to calculate policyholders’ benefits for variable annuities with GMDB and GMIB guarantees and the period over which DAC is amortized; (3) updated policyholder behavior assumptions based on emerging experience, including expectations of long-term lapse and partial withdrawal rates for variable annuities with GMxB features; (4) updated premium funding assumptions for certain universal life and variable universal life products with secondary guarantees; (5) completed its periodic review and updated its long term mortality assumption for universal, variable universal and traditional life products; (6) updated the assumption for long term General Account spread and yield assumptions in the DAC amortization and loss recognition testing calculations for universal life, variable universal life and deferred annuity business lines; (7) updated our maintenance expense assumption for universal life and variable universal life products; and (8) implemented other actuarial assumption updates and model changes, resulting in the full release of the reserve. The net impact of assumption changes in 2017 increased policyholders’ benefits by $277 million, decreased amortization of DAC by $112 million, decreased policy charges and fee income by $85 million, increased the fair value of our GMIB reinsurance asset by $504 million and decreased the fair value of the GMIB NLG liability by $457 million. This resulted in an increase in Income (loss) from operations, before income taxes of $711 million and increased Net income by approximately $462 million. In 2016, the Company made several assumption updates and model changes, including the following: (1) updated the premium funding assumption used in setting variable life policyholder benefit reserves; (2) made changes in the model used in calculating premium loads, which increased interest sensitive life policyholder benefit reserves; (3) updated its mortality assumption for certain variable interest-sensitive life (“VISL”) products as a result of favorable mortality experience for some of its older products and unfavorable mortality experience on some of its newer products; and (4) updated the General Account spread and yield assumptions for certain VISL products to reflect lower expected investment yields. The net impact of assumption updates and model changes in 2016 decreased policyholders’ benefits by $117 million, increased the amortization of DAC by $201 million, increased policy charges and fee income by $54 million, decreased income (loss) from operations, before income taxes of $30 million and decreased Net income by approximately $20 million. In 2015, the Company made several assumption updates, including the following: (1) updated policyholder behavior assumptions based on emerging experience, including expectations of long-term lapse and partial withdrawal rates for variable annuities with GMDB and GMIB guarantees, which. increased expected future claim costs, the fair value of the GMxB derivative features liability, and the fair value of the GMIB reinsurance contract asset; (2) lowered the expectation of GMIB election rates for certain ages based on emerging experience which decreased the expected future GMIB claim cost and the fair value of the GMIB reinsurance contract asset, while increasing the expected future GMDB claim cost and the GMxB derivative features liability; updated the RTM assumption used to calculate GMDB/GMIB and VISL reserves and amortization of DAC from 9.0% to 7.0% based upon the Company’s current expectations of interest rates and future fund growth. The impact of these assumption updates in 2015 was a net decrease in the fair value of the GMIB reinsurance contract asset of $407 million, an increase in the GMDB/GMIB reserves of $328 million, an increase in the GMxB derivative features liability of $887 million, an increase in VISL reserves of $29 million, a decrease in the amortization of DAC of $173 million and $34 million decrease in policy charges and fee income. This resulted in a decrease to Income (loss) from operations, before income taxes of $1,511 million and decreased Net income by approximately $982 million. In 2015, the Company announced it would raise cost of insurance (“COI”) rates for certain UL policies. AXA Equitable Life Insurance Company (“AXA Equitable Life”) and U.S. Financial Life Insurance Company (“USFL”) raised the COI rates for these policies as management expects future mortality and investment experience to be less favorable than what was anticipated when the current schedule of COI rates was established. The AXA Equitable Life COI rate increase is larger than the increase that previously had been anticipated in management’s reserve assumptions. As a result of these rate increases, management updated its assumptions to reflect the actual COI rate increases, resulting in a $73 million increase to the 2015 Net income.
Basis of Presentation	Basis of Presentation The Unaudited Interim Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) on a basis consistent with reporting interim financial information in accordance with instructions to Form 10-Q and Article 10 of Regulation S-X of the Securities and Exchange Commission (“SEC”). Intercompany balances and transactions have been eliminated. In the opinion of management, all adjustments necessary for a fair statement of the financial position and results of operations have been made. All such adjustments are of a normal, recurring nature. Interim results are not necessarily indicative of the results that may be expected for the full year. These financial statements should be read in conjunction with the Company’s Consolidated Financial Statements included in Holdings’ prospectus for the year ended December 31, 2017 dated May 9, 2018 filed with the SEC pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended, on May 11, 2018 (the “Prospectus”).
Revenue Recognition	Revenue Recognition Investment Management and Service Fees and Related Expenses Reported as Investment management and service fees in the Company’s consolidated statements of income (loss) are investment advisory and service fees, distribution revenues, and institutional research services revenues principally emerging from the Investment Management and Research segment. Also included are investment management and administrative service fees earned by AXA Equitable Funds Management Group, LLC (“AXA Equitable FMG”) and reported in the Individual Retirement, Group Retirement and Protection Solutions segments as well as certain asset-based fees associated with insurance contracts. Investment management, advisory, and service fees AB provides asset management services by managing customer assets and seeking to deliver returns to investors. Similarly, AXA Equitable FMG provides investment management and administrative services, such as fund accounting and compliance services, to AXA Premier VIP Trust (“VIP Trust”), EQ Advisors Trust (“EQAT”) and 1290 Funds as well as two private investment trusts established in the Cayman Islands, AXA Allocation Funds Trust and AXA Offshore Multimanager Funds Trust (collectively, the “Other AXA Trusts”). The contracts supporting these revenue streams create a distinct, separately identifiable performance obligation for each day the assets are managed for the performance of a series of services that are substantially the same and have the same pattern of transfer to the customer. Accordingly, these investment management, advisory, and administrative service base fees are recorded over time as services are performed and entitle the Company to variable consideration. Base fees, generally calculated as a percentage of assets under management (“AUM”), are recognized as revenue at month-end when the transaction price no longer is variable and the value of the consideration is determined. These fees are not subject to claw back and there is minimal probability that a significant reversal of the revenue recorded will occur. Certain investment advisory contracts of AB, including those associated with hedge funds or other alternative investments, provide for a performance-based fee (including carried interest), in addition to a base advisory fee, calculated either as a percentage of absolute investment results or a percentage of investment results in excess of a stated benchmark over a specified period of time. These performance-based fees are forms of variable consideration and, therefore, are excluded from the transaction price until it becomes probable there will not be significant reversal of the cumulative revenue recognized. At each reporting date, the Company evaluates constraining factors surrounding the variable consideration to determine the extent to which, if any, revenues associated with the performance-based fee can be recognized. Constraining factors impacting the amount of variable consideration included in the transaction price include contractual claw-back provisions, the length of time of the uncertainty, the number and range of possible amounts, the probability of significant fluctuations in the fund’s market value, and the level in which the fund’s value exceeds the contractual threshold required to earn such a fee and the materiality of the amount being evaluated. Prior to adoption of the new revenue recognition guidance on January 1, 2018, the Company recognized performance-based fees at the end of the applicable measurement period when no risk of reversal remained, and carried-interest distributions received as deferred revenues until no risk of reversal remained. Sub-advisory and sub-administrative expenses associated with these services are calculated and recorded as the related services are performed in Other operating costs and expense in the consolidated statements of income (loss) as the Company is acting in a principal capacity in these transactions and, as such, reflects these revenues and expenses on a gross basis. Research services Research services revenue principally consists of brokerage transaction charges received by Sanford C. Bernstein & Co. LLC (“SCB LLC”), Sanford C. Bernstein Limited (“SCBL”) and AB’s other sell side subsidiaries for providing equity research services to institutional clients. Brokerage commissions for trade execution services and related expenses are recorded on a trade-date basis when the performance obligations are satisfied. Generally, the transaction price is agreed upon at the point of each trade and based upon the number of shares traded or the value of the consideration traded. Research revenues are recognized when the transaction price is quantified, collectability is assured, and significant reversal of such revenue is not probable. Distribution services Revenues from distribution services include fees received as partial reimbursement of expenses incurred in connection with the sale of certain AB sponsored mutual funds and the 1290 Funds and for the distribution primarily of EQAT and VIP Trust shares to separate accounts in connection with the sale of variable life and annuity contracts. The amount and timing of revenues recognized from performance of these distribution services often is dependent upon the contractual arrangements with the customer and the specific product sold as further described below. Most open-end management investment companies, such as U.S. funds and the EQAT and VIP Trusts and the 1290 Funds, have adopted a plan under Rule 12b-1 of the Investment Company Act that allows for certain share classes to pay out of assets, distribution and service fees for the distribution and sale of its shares (“12b-1 Fees”). These open-end management investment companies have such agreements with the Company, and the Company has selling and distribution agreements pursuant to which it pays sales commissions to the financial intermediaries that distribute the shares. These agreements may be terminated by either party upon notice (generally 30 days) and do not obligate the financial intermediary to sell any specific amount of shares. The Company records 12b-1 fees monthly based upon a percentage of the net asset value (“NAV”) of the funds. At month-end, the variable consideration of the transaction price is no longer constrained as the NAV can be calculated and the value of consideration is determined. These services are separate and distinct from other asset management services as the customer can benefit from these services independently of other services. The Company accrues the corresponding 12b-1 fees paid to sub-distributors monthly as the expenses are incurred. The Company is acting in a principal capacity in these transactions; as such, these revenues and expenses are recorded on a gross basis in the consolidated statements of income (loss). AB sponsored mutual funds offer back-end load shares in limited instances and charge the investor a contingent deferred sales charge (“CDSC”) if the investment is redeemed within a certain period. The variable consideration for these contracts is contingent upon the timing of the redemption by the investor and the value of the sales proceeds. Due to these constraining factors, the Company excludes the CDSC fee from the transaction price until the investor redeems the investment. Upon redemption, the cash consideration received for these contractual arrangements is recorded as a reduction of unamortized deferred sales commissions. AB’s Luxembourg subsidiary, the management company for most of its non-U.S. funds, earns a management fee which is accrued daily and paid monthly, at an annual rate, based on the average daily net assets of the fund. With respect to certain share classes, the management fee also may contain a component paid to distributors and other financial intermediaries and service providers to cover shareholder servicing and other administrative expenses (also referred to as an “All-in-Fee”). Based on the conclusion that asset management is distinct from distribution, the Company allocates a portion of the investment and advisory fee to distribution revenues for the servicing component based on standalone selling prices. Other revenues Also reported as Investment management and service fees in the Company’s consolidated statements of income (loss) are other revenues from contracts with customers, primarily consisting of shareholder servicing fees, mutual fund reimbursements, and other brokerage income. Shareholder services, including transfer agency, administration, and record-keeping are provided by AB to company-sponsored mutual funds. The consideration for these services is based on a percentage of the NAV of the fund or a fixed-fee based on the number of shareholder accounts being serviced. The revenues are recorded at month-end when the constraining factors involved with determining NAV or the numbers of shareholders’ accounts are resolved. Other income Revenues from contracts with customers reported as Other Income in the Company’s consolidated statements of income (loss) primarily consist of advisory account fees and brokerage commissions from the Company’s subsidiary broker-dealer operations and sales commissions from the Company’s general agent for the distribution of non-affiliate insurers’ life insurance and annuity products. These revenues are recognized at month-end when constraining factors, such as AUM and product mix, are resolved and the transaction pricing no longer is variable such that the value of consideration can be determined. Contract assets and liabilities The Company applies the practical expedient for contracts that have an original duration of one year or less. Accordingly, the Company accrues the incremental costs of obtaining a contract when incurred and does not consider the time value of money. At September 30, 2018 , there are no material balances of contract assets and contract liabilities; as such, no further disclosures are necessary.
Revision of Prior Period Financial Statements	Restatement and Revision of Prior Period Financial Statements As described in the Prospectus, management identified errors in its previously issued financial statements. These errors primarily relate to errors in the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of DAC amortization for certain variable and interest sensitive life products. Based upon quantitative and qualitative factors, management determined that the impact of the errors was material to the consolidated financial statements as of and for the nine months ended September 30, 2017. Management included in the Prospectus summarized financial information for the restated consolidated balance sheets as of September 30, 2017 and the related consolidated statements of income (loss), statements of comprehensive income (loss), statements of equity and statements of cash flow for the nine months ended September 30, 2017 that reflect restatements related to these errors. In addition, during the preparation of its third quarter financial statements, management identified errors in its previously issued financial statements. These errors primarily relate to the calculation of policyholders’ benefit reserves for the Company’s life and annuity products and the calculation of net derivative gains (losses) and DAC amortization for certain variable and interest sensitive life products. The impact of these additional errors identified in the current quarter were also corrected in the restated financial statements as of and for the nine months ended September 30, 2017. Additionally, in order to improve the consistency and comparability of the financial statements, management has determined to revise the three and six months ended March 31, 2018 and June 30, 2018, respectively, and the three and six months ended March 31, 2017 and June 30, 2017, respectively and the year ended December 31, 2017. See Note 19 for details of the restatements and revisions.
Fair Value Measurement	Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The accounting guidance established a fair value hierarchy that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value, and identifies three levels of inputs that may be used to measure fair value: Level 1 Unadjusted quoted prices for identical instruments in active markets. Level 1 fair values generally are supported by market transactions that occur with sufficient frequency and volume to provide pricing information on an ongoing basis. Level 2 Observable inputs other than Level 1 prices, such as quoted prices for similar instruments, quoted prices in markets that are not active, and inputs to model-derived valuations that are directly observable or can be corroborated by observable market data. Level 3 Unobservable inputs supported by little or no market activity and often requiring significant management judgment or estimation, such as an entity’s own assumptions about the cash flows or other significant components of value that market participants would use in pricing the asset or liability. The Company uses unadjusted quoted market prices to measure the fair value of instruments that are actively traded in financial markets. In cases where quoted market prices are not available, fair values are measured using present value or other valuation techniques. The fair value determinations are made at a specific point in time, based on available market information and judgments about the financial instrument, including estimates of the timing and amount of expected future cash flows and the credit standing of counterparties. Such adjustments do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument, nor do they consider the tax impact of the realization of unrealized gains or losses. In many cases, the fair value cannot be substantiated by direct comparison to independent markets, nor can the disclosed value be realized in immediate settlement of the instrument. Management is responsible for the determination of the value of investments carried at fair value and the supporting methodologies and assumptions. Under the terms of various service agreements, the Company often utilizes independent valuation service providers to gather, analyze, and interpret market information and derive fair values based upon relevant methodologies and assumptions for individual securities. These independent valuation service providers typically obtain data about market transactions and other key valuation model inputs from multiple sources and, through the use of widely accepted valuation models, provide a single fair value measurement for individual securities for which a fair value has been requested. As further described below with respect to specific asset classes, these inputs include, but are not limited to, market prices for recent trades and transactions in comparable securities, benchmark yields, interest rate yield curves, credit spreads, quoted prices for similar securities, and other market-observable information, as applicable. Specific attributes of the security being valued also are considered, including its term, interest rate, credit rating, industry sector, and when applicable, collateral quality and other security- or issuer-specific information. When insufficient market observable information is available upon which to measure fair value, the Company either will request brokers knowledgeable about these securities to provide a non-binding quote or will employ internal valuation models. Fair values received from independent valuation service providers and brokers and those internally modeled or otherwise estimated are assessed for reasonableness.

ORGANIZATION (Tables)

ORGANIZATION (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Financial Information Affected by Restatement and Revision	Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the three and six months ended June 30, 2018. June 30, 2018 Balance Sheet: As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,346 $ (61 ) $ 6,285 Amounts due from reinsurers 4,963 (9 ) 4,954 Current and deferred income taxes 47 5 52 Total Assets 231,012 (65 ) 230,947 Liabilities: Future policy benefits and other policyholders’ liabilities 29,351 (53 ) 29,298 Total Liabilities 216,003 (53 ) 215,950 Equity: Retained earnings 12,613 (12 ) 12,601 Total equity attributable to Holdings 13,376 (12 ) 13,364 Total Equity 14,863 (12 ) 14,851 Total Liabilities, redeemable noncontrolling interest and equity $ 231,012 $ (65 ) $ 230,947 Three Months Ended June 30, 2018 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 987 $ (23 ) $ 964 Net derivative gains (losses) (73 ) 27 (46 ) Total revenues 2,962 4 2,966 Benefits and Other Deductions Policyholders’ benefits 920 (20 ) 900 Amortization of deferred policy acquisition costs, net (1 ) 16 15 Total benefits and other deductions 2,648 (4 ) 2,644 Income (loss) from continuing operations, before income taxes 314 8 322 Income tax (expense) benefit (59 ) (2 ) (61 ) Net income (loss) 255 6 261 Net income (loss) attributable to Holdings $ 158 $ 6 $ 164 Three Months Ended June 30, 2018 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 255 $ 6 $ 261 Comprehensive income (loss) (101 ) 6 (95 ) Comprehensive income (loss) attributable to Holdings $ (206 ) $ 6 $ (200 ) Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 1,959 $ (29 ) $ 1,930 Net derivative gains (losses) (354 ) 72 (282 ) Total revenues 5,797 43 5,840 Benefits and Other Deductions: Policyholders’ benefits 1,528 (34 ) 1,494 Amortization of deferred policy acquisition costs, net 14 11 25 Total benefits and other deductions 5,113 (23 ) 5,090 Income (loss) from continuing operations, before income taxes 684 66 750 Income tax (expense) benefit (138 ) (14 ) (152 ) Net income (loss) 546 52 598 Net income (loss) attributable to Holdings $ 326 $ 52 $ 378 Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 546 $ 52 $ 598 Comprehensive income (loss) (642 ) 52 (590 ) Comprehensive income (loss) attributable to Holdings $ (876 ) $ 52 $ (824 ) Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 12,289 $ (64 ) $ 12,225 Net income (loss) attributable to Holdings 326 52 378 Retained earnings, end of period 12,613 (12 ) 12,601 Total Holdings’ equity, end of period 13,376 (12 ) 13,364 Total equity, end of period $ 14,863 $ (12 ) $ 14,851 Six Months Ended June 30, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ 546 $ 52 $ 598 Policy charges and fee income (1,959 ) 29 (1,930 ) Net derivative (gains) loss 354 (72 ) 282 Changes in: Deferred policy acquisition costs 14 11 25 Future policy benefits (171 ) (34 ) (205 ) Current and deferred income taxes 224 14 238 Net cash provided by (used in) operating activities $ (314 ) $ — $ (314 ) Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the three months ended March 31, 2018. March 31, 2018 Balance Sheet As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,288 $ (45 ) $ 6,243 Current and deferred income taxes 225 7 232 Total Assets 232,294 (38 ) 232,256 Liabilities: Future policy benefits and other policyholders’ liabilities 29,586 (20 ) 29,566 Total Liabilities 214,670 (20 ) 214,650 Equity: Retained earnings 12,455 (18 ) 12,437 Total equity attributable to Holdings 13,565 (18 ) 13,547 Total Equity 16,600 (18 ) 16,582 Total Liabilities, redeemable noncontrolling interest and equity $ 232,294 $ (38 ) $ 232,256 Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 972 $ (6 ) $ 966 Net derivative gains (losses) (281 ) 45 (236 ) Total revenues 2,835 39 2,874 Benefits and Other Deductions Policyholders’ benefits 608 (14 ) 594 Amortization of deferred policy acquisition costs, net 15 (5 ) 10 Total benefits and other deductions 2,465 (19 ) 2,446 Income (loss) from continuing operations, before income taxes 370 58 428 Income tax (expense) benefit (79 ) (12 ) (91 ) Net income (loss) 291 46 337 Net income (loss) attributable to Holdings $ 168 $ 46 $ 214 Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 291 $ 46 $ 337 Comprehensive income (loss) (541 ) 46 (495 ) Comprehensive income (loss) attributable to Holdings $ (670 ) $ 46 $ (624 ) Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 12,289 $ (64 ) $ 12,225 Net income (loss) attributable to Holdings 168 46 214 Retained earnings, end of period 12,455 (18 ) 12,437 Total Holdings’ equity, end of period 13,565 (18 ) 13,547 Total equity, end of period $ 16,600 $ (18 ) $ 16,582 Three Months Ended March 31, 2018 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ 291 $ 46 $ 337 Policy charges and fee income (972 ) 6 (966 ) Net derivative (gains) loss 281 (45 ) 236 Changes in: Deferred Policy Acquisition costs 15 (5 ) 10 Future policy benefits (254 ) (14 ) (268 ) Current and deferred income taxes 103 12 115 Net cash provided by (used in) operating activities $ (264 ) $ — $ (264 ) Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the year ended December 31, 2017. December 31, 2017 Balance Sheet: As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 5,969 $ (50 ) $ 5,919 Current and deferred income taxes 67 17 84 Total Assets 235,648 (33 ) 235,615 Liabilities: Future policy benefits and other policyholders’ liabilities 30,299 31 30,330 Total Liabilities 218,440 31 218,471 Equity: Retained earnings 12,289 (64 ) 12,225 Total equity attributable to Holdings 13,485 (64 ) 13,421 Total Equity 16,582 (64 ) 16,518 Total Liabilities, redeemable noncontrolling interest and equity $ 235,648 $ (33 ) $ 235,615 Year ended December 31, 2017 As Previously Reported Impact of Adjustments As Revised (in millions) Statement of Income (Loss): Revenues: Policy charges and fee income $ 3,733 $ (40 ) $ 3,693 Net derivative gains (losses) 228 (14 ) 214 Total revenues 12,514 (54 ) 12,460 Benefits and other deductions: Policyholders’ benefits 4,354 12 4,366 Interest credited to Policyholder’s account balances 1,108 (113 ) 995 Amortization of deferred policy acquisition costs (239 ) 55 (184 ) Total benefits and other deductions 11,200 (46 ) 11,154 Income (loss) from operations, before income taxes 1,314 (8 ) 1,306 Income tax (expense) benefit (41 ) (8 ) (49 ) Net income (loss) 1,273 (16 ) 1,257 Net income (loss) attributable to Holdings $ 850 $ (16 ) $ 834 Year ended December 31, 2017 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 1,273 $ (16 ) $ 1,257 Comprehensive income (loss) 2,105 (16 ) 2,089 Comprehensive income (loss) attributable to Holdings $ 1,663 $ (16 ) $ 1,647 Year ended December 31, 2017 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 11,439 $ (48 ) $ 11,391 Net income (loss) attributable to Holdings 850 (16 ) 834 Retained earnings, end of period 12,289 (64 ) 12,225 Total Holdings’ equity, end of year 13,485 (64 ) 13,421 Total equity, end of year $ 16,582 $ (64 ) $ 16,518 Year ended December 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Consolidated Statement of Cash Flows: Cash flow from operating activities: Net income (loss) $ 1,273 $ (16 ) $ 1,257 Policy charges and fee income (3,733 ) 40 (3,693 ) Interest credited to policyholders’ account balances 1,108 (113 ) 995 Net derivative (gains) loss (228 ) 14 (214 ) Deferred Policy Acquisition costs (239 ) 55 (184 ) Changes in: Future policy benefits 1,587 12 1,599 Current and deferred income taxes 759 8 767 Net cash provided by (used in) operating activities $ 1,021 $ — $ 1,021 Effects of the restatement on the Company’s previously reported consolidated financial statements as of and for the Nine Months ended September 30, 2017 and revision of the Company’s previously reported consolidated financial statements as of and for the Six Months ended June 30, 2017. September 30, 2017 June 30, 2017 Balance Sheet: As Previously Reported Impact of Adjustments As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Assets: Deferred policy acquisition costs $ 5,933 $ 157 $ 6,090 $ 6,101 $ 10 $ 6,111 Loans to affiliates 1,245 (11 ) 1,234 1,235 — 1,235 Current and deferred income taxes 339 (71 ) 268 298 13 311 Total Assets 230,825 93 230,918 226,689 23 226,712 Liabilities: Future policy benefits and other policyholders’ liabilities 31,179 (97 ) 31,082 31,029 48 31,077 Total Liabilities 215,164 (97 ) 215,067 210,890 48 210,938 Equity: Capital in excess of par value (1) 1,007 (9 ) 998 955 — 955 Retained earnings 11,548 194 11,742 11,757 (25 ) 11,732 Accumulated other comprehensive income (loss) (350 ) 5 (345 ) (333 ) — (333 ) Total equity attributable to Holdings 12,211 190 12,401 12,385 (25 ) 12,360 Total Equity 15,221 190 15,411 15,438 (25 ) 15,413 Total Liabilities, redeemable noncontrolling interest and equity $ 230,825 $ 93 $ 230,918 $ 226,689 $ 23 $ 226,712 _________________ (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645 -for-1 stock split effected on April 24, 2018. Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments (1) As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 2,853 $ (43 ) $ 2,810 $ 1,891 $ (34 ) $ 1,857 Premiums 805 20 825 558 — 558 Net derivative gains (losses) 166 66 232 494 54 548 Total revenues 9,495 43 9,538 6,712 20 6,732 Benefits and Other Deductions Policyholders’ benefits 3,909 (9 ) 3,900 2,834 (11 ) 2,823 Interest credited to policyholders’ account balances 794 (51 ) 743 488 — 488 Amortization of deferred policy acquisition costs, net (31 ) (119 ) (150 ) (168 ) (5 ) (173 ) Total benefits and other deductions 9,187 (179 ) 9,008 6,265 (16 ) 6,249 Income (loss) from continuing operations, before income taxes 308 222 530 447 36 483 Income tax (expense) benefit 163 (63 ) 100 54 (13 ) 41 Net income (loss) 471 159 630 501 23 524 Net income (loss) attributable to Holdings $ 192 $ 159 $ 351 $ 318 $ 23 $ 341 __________________ (1) As discussed in Note 2, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact (in millions): (a) Income (loss) from continuing operations, before income taxes $71 ; (b) Net income (loss) $39 ; and (c) Comprehensive income (loss) $2 . Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments (1) As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 471 $ 159 $ 630 $ 501 $ 23 $ 524 Change in unrealized gains (losses), net of reclassification 519 (17 ) 502 535 — 535 Total other comprehensive income (loss), net of income taxes 611 (17 ) 594 603 — 603 Comprehensive income (loss) 1,082 142 1,224 1,104 23 1,127 Comprehensive income (loss) attributable to Holdings $ 785 $ 142 $ 927 $ 906 $ 23 $ 929 __________________ (1) As discussed in Note 2, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $71 ; (b) Net income (loss) $39 ; (c) Comprehensive income (loss) $2 . Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Capital in excess of par value, beginning of year (1) $ 942 $ (11 ) $ 931 $ 931 $ — $ 931 Changes in capital in excess of par value 65 2 67 24 — 24 Capital in excess of par value, end of period (1) 1,007 (9 ) 998 955 — 955 Retained earnings, beginning of year 11,356 35 11,391 11,439 (48 ) 11,391 Net income (loss) attributable to Holdings 192 159 351 318 23 341 Retained earnings, end of period 11,548 194 11,742 11,757 (25 ) 11,732 Accumulated other comprehensive income (loss), beginning of year (943 ) 22 (921 ) (921 ) — (921 ) Other comprehensive income (loss) 593 (17 ) 576 588 — 588 Accumulated other comprehensive income (loss), end of year (350 ) 5 (345 ) (333 ) — (333 ) Total Holdings’ equity, end of period 12,211 190 12,401 12,385 (25 ) 12,360 Total equity, end of period $ 15,221 $ 190 $ 15,411 $ 15,438 $ (25 ) $ 15,413 ___________ (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645 -for-1 stock split effected on April 24, 2018. Nine Months Ended September 30, 2017 Six Months Ended June 30, 2017 As Previously Reported Impact of Adjustments As Restated As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ 471 $ 159 $ 630 $ 501 $ 23 $ 524 Policy charges and fee income (2,853 ) 43 (2,810 ) (1,891 ) 34 (1,857 ) Interest credited to policyholders’ account balances 794 (51 ) 743 488 — 488 Net derivative (gains) loss (166 ) (66 ) (232 ) (494 ) (54 ) (548 ) Changes in: Reinsurance Recoverable — 115 115 40 — 40 Deferred policy acquisition costs (31 ) (119 ) (150 ) (168 ) (5 ) (173 ) Future policy benefits 1,616 (29 ) 1,587 1,516 (11 ) 1,505 Current and deferred income taxes 435 63 498 123 13 136 Other, net 368 (115 ) 253 333 — 333 Net cash provided by (used in) operating activities $ 1,044 $ — $ 1,044 $ 666 $ — $ 666 Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the three months ended March 31, 2017. March 31, 2017 Balance Sheet: As Previously Reported Impact of Revisions As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,026 $ 9 $ 6,035 Current and deferred income taxes 440 18 458 Total Assets 223,564 27 223,591 Liabilities: Future policy benefits and other policyholders’ liabilities 30,171 62 30,233 Total Liabilities 208,737 62 208,799 Equity: Retained earnings 11,149 (35 ) 11,114 Total equity attributable to Holdings 11,306 (35 ) 11,271 Total Equity 14,411 (35 ) 14,376 Total Liabilities, redeemable noncontrolling interest and equity $ 223,564 $ 27 $ 223,591 Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 956 $ (17 ) $ 939 Net derivative gains (losses) (2) (235 ) 31 (204 ) Total revenues 2,830 14 2,844 Benefits and Other Deductions: Policyholders’ benefits 1,093 (2 ) 1,091 Amortization of deferred policy acquisition costs, net (55 ) (4 ) (59 ) Total benefits and other deductions 2,997 (6 ) 2,991 Income (loss) from continuing operations, before income taxes (167 ) 20 (147 ) Income tax (expense) benefit (30 ) (7 ) (37 ) Net income (loss) (197 ) 13 (184 ) Net income (loss) attributable to Holdings $ (290 ) $ 13 $ (277 ) Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ (197 ) $ 13 $ (184 ) Comprehensive income (loss) (60 ) 13 (47 ) Comprehensive income (loss) attributable to Holdings $ (160 ) $ 13 $ (147 ) Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Equity: Retained earnings, beginning of year 11,439 (48 ) 11,391 Net income (loss) attributable to Holdings (290 ) 13 (277 ) Retained earnings, end of period 11,149 (35 ) 11,114 Total Holdings’ equity, end of period 11,306 (35 ) 11,271 Total equity, end of period $ 14,411 $ (35 ) $ 14,376 Three Months Ended March 31, 2017 As Previously Reported Impact of Revisions As Revised (in millions) Statements of Cash Flows: Cash flow from operating activities: Net income (loss) $ (197 ) $ 13 $ (184 ) Policy charges and fee income (956 ) 17 (939 ) Interest credited to policyholders’ account balances 246 — 246 Net derivative (gains) loss 235 (31 ) 204 Changes in: Deferred Policy Acquisition costs (55 ) (4 ) (59 ) Future policy benefits 296 (2 ) 294 Current and deferred income taxes 252 7 259 Net cash provided by (used in ) operating activities $ 72 $ — $ 72 Effects of the revision on the Company’s previously reported consolidated financial statements as of and for the year ended December 31, 2016. December 31, 2016 As Previously Reported Impact of Revisions As Revised (in millions) Assets: Deferred policy acquisition costs $ 6,044 $ 5 $ 6,049 Current and deferred income taxes 496 26 522 Total Assets 216,614 31 216,645 Liabilities: Future policy benefits and other policyholders’ liabilities 30,278 79 30,357 Total Liabilities 201,614 79 201,693 Equity: Retained earnings 11,439 (48 ) 11,391 Total equity attributable to Holdings 11,455 (48 ) 11,407 Total Equity 14,597 (48 ) 14,549 Total Equity and Redeemable NCI 15,000 (48 ) 14,952 Total Liabilities, redeemable noncontrolling interest and equity $ 216,614 $ 31 $ 216,645 December 31, 2016 As Previously Reported Impact of Revisions As Revised (in millions) Statement of Income (Loss): Revenues: Policy charges and fee income $ 3,762 $ (33 ) $ 3,729 Net derivative gains (losses) (1,722 ) (126 ) — (1,848 ) Total revenues 11,922 (159 ) 11,763 Benefits and other deductions: Policyholders’ benefits 3,343 (1 ) 3,342 Interest credited to Policyholder’s account balances 1,091 (124 ) 967 Amortization of deferred policy acquisition costs 89 (7 ) 82 Total benefits and other deductions 9,868 (132 ) 9,736 Income (loss) from operations, before income taxes 2,054 (27 ) 2,027 Income tax (expense) benefit (387 ) 9 (378 ) Net income (loss) 1,667 (18 ) 1,649 Net income (loss) attributable to AXA Equitable $ 1,272 $ (18 ) $ 1,254 December 31, 2016 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 1,667 $ (18 ) $ 1,649 Change in unrealized gains (losses), net of reclassification adjustment (274 ) — (274 ) Total other comprehensive income (loss), net of income taxes (258 ) — (258 ) Comprehensive income (loss) 1,409 (18 ) 1,391 Less: Comprehensive (income) loss attributable to noncontrolling interest (381 ) — (381 ) Comprehensive income (loss) attributable to AXA Equitable $ 1,028 $ (18 ) $ 1,010 December 31, 2016 As Previously Reported Impact of Adjustments As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 10,167 $ (30 ) $ 10,137 Net income (loss) attributable to Holdings 1,272 (18 ) 1,254 Retained earnings, end of year 11,439 (48 ) 11,391 Total Holdings’ equity, end of year 11,455 (48 ) 11,407 Total equity, end of year $ 14,597 $ (48 ) $ 14,549 December 31, 2016 As Previously Reported Impact of Revisions As Revised (in millions) Consolidated Statement of Cash Flows: Cash flow from operating activities: Net income (loss) $ 1,667 $ (18 ) $ 1,649 Policy charges and fee income (3,762 ) 33 (3,729 ) Interest credited to policyholders’ account balances 1,091 (124 ) 967 (Increase) decrease in the fair value of the reinsurance contract asset — — — Net derivative (gains) loss 1,722 126 1,848 Deferred Policy Acquisition costs 89 (7 ) 82 Changes in: Future policy benefits 273 (1 ) 272 Current and deferred income taxes (208 ) (9 ) (217 ) Net cash provided by (used in) operating activities $ (236 ) $ — $ (236 )	The impact of these incremental errors identified in the current quarter were also corrected in the restated financial statements for the year ended December 31, 2016. Additionally, management has determined to revise the years ended December 31, 2017 and 2015 in order to improve the consistency and comparability of the financial statements as summarized below. December 31, 2017 As Previously Impact of As Revised (in millions) Assets: Deferred policy acquisition costs $ 5,969 $ (50 ) $ 5,919 Current and deferred income taxes 67 17 84 Total Assets 235,648 (33 ) 235,615 Liabilities: Future policy benefits and other policyholders’ liabilities 30,299 31 30,330 Total Liabilities 218,440 31 218,471 Equity: Retained earnings 12,289 (64 ) 12,225 Total equity attributable to Holdings 13,485 (64 ) 13,421 Total Equity 16,582 (64 ) 16,518 Total Liabilities, redeemable noncontrolling interest and equity $ 235,648 $ (33 ) $ 235,615 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Statement of Income (Loss): Revenues: Policy charges and fee income $ 3,733 $ (40 ) $ 3,693 Net derivative gains (losses) 228 (14 ) 214 Total revenues 12,514 (54 ) 12,460 Benefits and other deductions: Policyholders’ benefits 4,354 12 4,366 Interest credited to Policyholder’s account balances 1,108 (113 ) 995 Amortization of deferred policy acquisition costs (239 ) 55 (184 ) Total benefits and other deductions 11,200 (46 ) 11,154 Income (loss) from operations, before income taxes 1,314 (8 ) 1,306 Income tax (expense) benefit (41 ) (8 ) (49 ) Net income (loss) 1,273 (16 ) 1,257 Net income (loss) attributable to Holdings $ 850 $ (16 ) $ 834 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Statements of Comprehensive Income (Loss): Net income (loss) $ 1,273 $ (16 ) $ 1,257 Comprehensive income (loss) 2,105 (16 ) 2,089 Comprehensive income (loss) attributable to Holdings $ 1,663 $ (16 ) $ 1,647 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Statements of Equity: Retained earnings, beginning of year $ 11,439 $ (48 ) $ 11,391 Net income (loss) attributable to Holdings 850 (16 ) 834 Retained earnings, end of period 12,289 (64 ) 12,225 Total Holdings’ equity, end of year 13,485 (64 ) 13,421 Total equity, end of year $ 16,582 $ (64 ) $ 16,518 Year ended December 31, 2017 As Previously Impact of As Revised (in millions) Consolidated Statement of Cash Flows: Cash flow from operating activities: Net income (loss) $ 1,273 $ (16 ) $ 1,257 Policy charges and fee income (3,733 ) 40 (3,693 ) Interest credited to policyholders’ account balances 1,108 (113 ) 995 Net derivative (gains) loss (228 ) 14 (214 ) Deferred Policy Acquisition costs (239 ) 55 (184 ) Changes in: Future policy benefits 1,587 12 1,599 Current and deferred income taxes 759 8 767 Net cash provided by (used in) operating activities $ 1,021 $ — $ 1,021 December 31, 2016 As Previously Impact of As (In millions) Assets: Deferred policy acquisition costs 5,971 78 6,049 Loans to affiliates 1,257 (11 ) 1,246 Current and deferred income taxes 531 (9 ) 522 Total assets $ 216,587 $ 58 $ 216,645 Liabilities: Future policyholders’ benefits and other policyholders’ liabilities 30,346 11 30,357 Total liabilities 201,682 11 201,693 Equity: Capital in excess of par value(1) 942 (11 ) 931 Retained earnings 11,356 35 11,391 Accumulated other comprehensive income (loss) (943 ) 22 (921 ) Total equity attributable to Holdings 11,361 46 11,407 Noncontrolling interest 3,141 1 3,142 Total equity 14,502 47 14,549 Total liabilities, redeemable noncontrolling interest and equity $ 216,587 $ 58 $ 216,645 (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 As Previously Impact of As As Year Ended Year Ended Year Ended 2016 2015 2016 (1) 2015 (2) 2016 2015 (In millions) Statements of Income (Loss): Revenues: Policy charges and fee income $ 3,759 $ 3,648 $ (30 ) $ (20 ) $ 3,729 $ 3,628 Premiums 1,063 1,058 20 12 1,083 1,070 Net derivative gains (losses) (1,720 ) (1,393 ) (128 ) (11 ) (1,848 ) (1,404 ) Total revenues 11,901 10,062 (138 ) (19 ) 11,763 10,043 Benefits and other deductions: Policyholders’ benefits 3,317 3,489 25 12 3,342 3,501 Interest credited to policyholder’s account balances 1,102 956 (135 ) (22 ) 967 934 Amortization of deferred policy acquisition costs, net 213 (302 ) (131 ) 10 82 (292 ) Total benefits and other deductions 9,977 9,615 (241 ) — 9,736 9,615 Income (loss) from operations, before income taxes 1,924 447 103 (19 ) 2,027 428 Income tax (expense) benefit (354 ) 212 (24 ) 10 (378 ) 222 Net income (loss) 1,570 659 79 (9 ) 1,649 650 Less: net (income) loss attributable to the noncontrolling interest (373 ) (329 ) (22 ) 4 (395 ) (325 ) Net income (loss) attributable to Holdings $ 1,197 $ 330 $ 57 $ (5 ) $ 1,254 $ 325 Statements of Comprehensive Income (Loss): Net income (loss) $ 1,570 $ 659 $ 79 $ (9 ) $ 1,649 $ 650 Change in unrealized gains (losses), net of reclassification adjustment (297 ) (939 ) 23 — (274 ) (939 ) Total other comprehensive income (loss), net of income taxes (281 ) (929 ) 23 — (258 ) (929 ) Comprehensive income (loss) 1,289 (270 ) 102 (9 ) 1,391 (279 ) Less: Comprehensive (income) loss attributable to noncontrolling interest (359 ) (315 ) (22 ) 4 (381 ) (311 ) Comprehensive income (loss) attributable to AXA Equitable Holdings $ 930 $ (585 ) $ 80 $ (5 ) $ 1,010 $ (590 ) (1) As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18) (2) As discussed above, the revised financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(13); (b) Net income (loss) $(8); (c) Comprehensive income (loss) $(8) As Previously Impact of As As Year Ended Year Ended Year Ended 2016 2015 2016 2015 2016 2015 (In millions) Statements of Equity: Capital in excess of par value, beginning of year (1) $ 952 873 $ (11 ) $ (11 ) $ 941 $ 862 Capital in excess of par value, end of year 942 952 (11 ) (11 ) 931 941 Retained earnings, beginning of year 10,159 9,829 (22 ) (17 ) 10,137 9,812 Stockholder dividends — — Net income (loss) attributable to Holdings 1,197 330 57 (5 ) 1,254 325 Retained earnings, end of period 11,356 10,159 35 (22 ) 11,391 10,137 Other comprehensive income (loss) (266 ) (915 ) 22 — (244 ) (915 ) Accumulated other comprehensive income (loss), end of year (943 ) (677 ) 22 — (921 ) (677 ) Total Holding’s equity, end of period 11,361 10,440 46 (33 ) 11,407 10,407 Noncontrolling interest, beginning of year 3,129 3,168 (21 ) (17 ) 3,108 3,151 Net income attributable to noncontrolling interest 369 329 — (4 ) 369 325 Other changes in noncontrolling interest 79 101 22 — 101 101 Noncontrolling interest, end of year 3,141 3,129 1 (21 ) 3,142 3,108 Total Equity, End of Period $ 14,502 $ 13,569 $ 47 $ (54 ) $ 14,549 $ 13,515 Statements of Cash flows: Cash flow from operating activities: Net income (loss) $ 1,570 $ 659 $ 79 $ (9 ) $ 1,649 $ 650 Policy charges and fee income (3,759 ) (3,648 ) 30 20 (3,729 ) (3,628 ) Interest credited to policyholders’ account balances 1,102 956 (135 ) (22 ) 967 934 Net derivative (gains) loss 1,720 1,393 128 11 1,848 1,404 Changes in: Future policy benefits 266 669 6 (1 ) 272 668 Deferred policy acquisition costs 213 (302 ) (131 ) 10 82 (292 ) Current and deferred income taxes (240 ) (159 ) 23 (9 ) (217 ) (168 ) Net cash provided by (used in) operating activities $ (236 ) $ (192 ) $ — $ — $ (236 ) $ (192 ) (1) Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1

INVESTMENTS (Tables)

INVESTMENTS (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Available-for-sale Securities by Classification	The following tables provide information relating to fixed maturities classified as AFS. As a result of the adoption of the Financial Instruments - Recognition and Measurement of Financial Assets and Financial Liabilities (ASU 2016-01) standard on January 1, 2018 (see Note 2 ), equity securities are no longer classified and accounted for as available-for-sale securities. Available-for-Sale Securities by Classification Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value OTTI in AOCI (3) (in millions) September 30, 2018: Fixed Maturities: Corporate $ 28,327 $ 416 $ 693 $ 28,050 $ — U.S. Treasury, government and agency 14,052 137 732 13,457 — States and political subdivisions 417 43 1 459 — Foreign governments 440 18 10 448 — Residential mortgage-backed (1) 234 9 1 242 — Asset-backed (2) 624 2 6 620 2 Redeemable preferred stock 480 31 8 503 — Total at September 30, 2018 $ 44,574 $ 656 $ 1,451 $ 43,779 $ 2 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value OTTI in AOCI (3) (in millions) December 31, 2017: Fixed Maturities: Corporate $ 24,480 $ 1,031 $ 65 $ 25,446 $ — U.S. Treasury, government and agency 17,759 1,000 251 18,508 — States and political subdivisions 422 67 — 489 — Foreign governments 395 29 5 419 — Residential mortgage-backed (1) 797 22 1 818 — Asset-backed (2) 745 5 1 749 2 Redeemable preferred stock 470 43 1 512 — Total Fixed Maturities 45,068 2,197 324 46,941 2 Equity securities 188 2 — 190 — Total at December 31, 2017 $ 45,256 $ 2,199 $ 324 $ 47,131 $ 2 ____________ (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans. (3) Amounts represent OTTI losses in AOCI, which were not included in income (loss) in accordance with current accounting guidance.	The following table provides information relating to fixed maturities and equity securities classified as AFS: Available-for-Sale Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value OTTI in AOCI (3) (in millions) December 31, 2017: Fixed Maturity Securities: Public corporate $ 17,181 $ 806 $ 33 $ 17,954 $ — Private corporate 7,299 225 32 7,492 — U.S. Treasury, government and agency 17,759 1,000 251 18,508 — States and political subdivisions 422 67 — 489 — Foreign governments 395 29 5 419 — Commercial mortgage-backed — — — — — Residential mortgage-backed (1) 797 22 1 818 — Asset-backed (2) 745 5 1 749 2 Redeemable preferred stock 470 43 1 512 — Total Fixed Maturities 45,068 2,197 324 46,941 2 Equity securities 188 2 — 190 — Total at December 31, 2017 $ 45,256 $ 2,199 $ 324 $ 47,131 $ 2 December 31, 2016: Fixed Maturity Securities: Public corporate $ 15,930 $ 767 $ 102 $ 16,595 $ — Private corporate 7,133 221 57 7,297 — U.S. Treasury, government and agency 15,187 405 756 14,836 — States and political subdivisions 441 64 2 503 — Foreign governments 384 30 14 400 — Commercial mortgage-backed 472 31 108 395 8 Residential mortgage-backed (1) 980 27 2 1,005 — Asset-backed (2) 273 10 1 282 3 Redeemable preferred stock 532 45 11 566 — Total Fixed Maturities 41,332 1,600 1,053 41,879 11 Equity securities 113 — — 113 — Total at December 31, 2016 $ 41,445 $ 1,600 $ 1,053 $ 41,992 $ 11 (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime (3) Amounts represent OTTI losses in AOCI, which were not included in income (loss) in accordance with current accounting guidance.
Available-for-sale Securities Fixed Maturities Contractual Maturities	The contractual maturities of AFS fixed maturities at September 30, 2018 are shown in the table below. Bonds not due at a single maturity date have been included in the table in the final year of maturity. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Available-for-Sale Fixed Maturities Contractual Maturities at September 30, 2018 Amortized Cost Fair Value (in millions) Due in one year or less $ 2,182 $ 2,192 Due in years two through five 9,092 9,142 Due in years six through ten 15,022 14,680 Due after ten years 16,940 16,400 Subtotal 43,236 42,414 Residential mortgage-backed securities 234 242 Asset-backed securities 624 620 Redeemable preferred stock 480 503 Total $ 44,574 $ 43,779	The contractual maturities of AFS fixed maturities at December 31, 2017 are shown in the table below. Bonds not due at a single maturity date have been included in the table in the final year of maturity. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Available-for-Sale Contractual Maturities Amortized Fair Value (in millions) December 31, 2017: Due in one year or less $ 1,651 $ 1,668 Due in years two through five 10,350 10,649 Due in years six through ten 13,638 13,852 Due after ten years 17,417 18,693 Subtotal 43,056 44,862 Residential mortgage-backed securities 797 818 Asset-backed securities 745 749 Redeemable preferred stocks 470 512 Total at December 31, 2017 $ 45,068 $ 46,941
Proceeds from Sales, Gross Gains (Losses) and OTTI for AFS Fixed Maturities	The following table shows proceeds from sales, gross gains (losses) from sales and OTTI for AFS fixed maturities during the three and nine months ended September 30, 2018 and 2017 : Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Proceeds from sales $ 1,030 $ 1,311 $ 6,054 $ 1,896 Gross gains on sales $ 6 $ 4 $ 178 $ 40 Gross losses on sales $ (31 ) $ (10 ) $ (119 ) $ (41 ) Total OTTI $ (4 ) $ (1 ) $ (4 ) $ (15 ) Non-credit losses recognized in OCI — — — — Credit losses recognized in net income (loss) $ (4 ) $ (1 ) $ (4 ) $ (15 )	The following table shows proceeds from sales, gross gains (losses) from sales and OTTI for AFS fixed maturities during 2017, 2016 and 2015: December 31, 2017 2016 2015 (in millions) Proceeds from sales $ 8,213 $ 5,036 $ 1,225 Gross gains on sales $ 107 $ 212 $ 44 Gross losses on sales $ (259 ) $ (60 ) $ (8 ) Total OTTI $ (15 ) $ (68 ) $ (42 ) Non-credit — — — Credit losses recognized in earnings (loss) $ (15 ) $ (68 ) $ (42 )
Fixed Maturities - Credit Loss Impairments	The following table sets forth the amount of credit loss impairments on AFS fixed maturities held by the Company at the dates indicated and the corresponding changes in such amounts: Fixed Maturities - Credit Loss Impairments Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Balances, beginning of period $ (17 ) $ (144 ) $ (18 ) $ (239 ) Previously recognized impairments on securities that matured, paid, prepaid or sold — 31 1 140 Recognized impairments on securities impaired to fair value this period (1) — — — — Impairments recognized this period on securities not previously impaired (4 ) — (4 ) (14 ) Additional impairments this period on securities previously impaired — — — — Increases due to passage of time on previously recorded credit losses — — — — Accretion of previously recognized impairments due to increases in expected cash flows — — — — Balances at September 30 $ (21 ) $ (113 ) $ (21 ) $ (113 ) ____________ (1) Represents circumstances where the Company determined in the current period that it intends to sell the security, or it is more likely than not that it will be required to sell the security before recovery of the security’s amortized cost.	The following table sets forth the amount of credit loss impairments on fixed maturity securities held by the Company at the dates indicated and the corresponding changes in such amounts: Fixed Maturities - Credit Loss Impairments 2017 2016 (in millions) Balances at January 1, $ (239 ) $ (274 ) Previously recognized impairments on securities that matured, paid, prepaid or sold 236 103 Recognized impairments on securities impaired to fair value this period (1) — (17 ) Impairments recognized this period on securities not previously impaired (14 ) (49 ) Additional impairments this period on securities previously impaired (1 ) (2 ) Increases due to passage of time on previously recorded credit losses — — Accretion of previously recognized impairments due to increases in expected cash flows — — Balances at December 31, $ (18 ) $ (239 ) (1) Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security’s amortized cost.
Net Unrealized Gain (Loss) on Fixed Maturities and Equity Securities Included in AOCI	Net unrealized investment gains (losses) on fixed maturities and equity securities classified as AFS are included in the consolidated balance sheets as a component of AOCI. The table below presents these amounts as of the dates indicated: September 30, 2018 December 31, 2017 (in millions) AFS Securities: Fixed maturities: With OTTI loss $ 1 $ 2 All other (796 ) 1,871 Equity securities — 2 Net Unrealized Gains (Losses) $ (795 ) $ 1,875	Net unrealized investment gains (losses) on fixed maturities and equity securities classified as AFS are included in the consolidated balance sheets as a component of AOCI. The table below presents these amounts as of the dates indicated: December 31, 2017 2016 (in millions) AFS Securities: Fixed maturities: With OTTI loss $ 2 $ 19 All other 1,871 528 Equity securities 2 — Net Unrealized Gains (Losses) $ 1,875 $ 547
Net Unrealized Gain (Losses) on Fixed Maturities with OTTI Losses	Net Unrealized Gains (Losses) on Fixed Maturities with OTTI Losses Net Unrealized Gains (Losses) on DAC Policyholders’ Liabilities Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, July 1, 2018 $ 2 $ — $ 1 $ (1 ) $ 2 Net investment gains (losses) arising during the period (1 ) — — — (1 ) Reclassification adjustment: Included in Net income (loss) — — — — — Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — — — — — Deferred income taxes — — — 1 1 Policyholders’ liabilities — — (1 ) — (1 ) Balance, September 30, 2018 $ 1 $ — $ — $ — $ 1 Balance, July 1, 2017 (17 ) 2 1 4 (10 ) Net investment gains (losses) arising during the period (8 ) — — — (8 ) Reclassification adjustment: Included in Net income (loss) 14 — — — 14 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — — — — — Deferred income taxes — — — (1 ) (1 ) Policyholders’ liabilities — — (1 ) — (1 ) Balance, September 30, 2017 $ (11 ) $ 2 $ — $ 3 $ (6 ) ____________ (1) Represents “transfers in” related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss. Net Unrealized Gains (Losses) on DAC Policyholders’ Liabilities Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized (in millions) Balance, January 1, 2018 $ 2 $ — $ (1 ) $ — $ 1 Net investment gains (losses) arising during the period — — — — — Reclassification adjustment: Included in Net income (loss) (1 ) — — — (1 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — — — — — Deferred income taxes — — — — — Policyholders’ liabilities — — 1 — 1 Balance, September 30, 2018 $ 1 $ — $ — $ — $ 1 Balance, January 1, 2017 $ 19 $ 1 $ (10 ) $ (4 ) $ 6 Net investment gains (losses) arising during the period (10 ) — — — (10 ) Reclassification adjustment: Included in Net income (loss) (20 ) — — — (20 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 1 — — 1 Deferred income taxes — — — 7 7 Policyholders’ liabilities — — 10 — 10 Balance, September 30, 2017 $ (11 ) $ 2 $ — $ 3 $ (6 ) ____________ (1) Represents “transfers in” related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss	The tables that follow below present a rollforward of net unrealized investment gains (losses) recognized in AOCI, split between amounts related to fixed maturity securities on which an OTTI loss has been recognized, and all other: Net Unrealized Gains (Losses) on Fixed Maturities with OTTI Losses Net Unrealized Gain (Losses) on Investments DAC Policyholders’ Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, January 1, 2017 $ 19 $ 1 $ (10 ) $ (4 ) $ 6 Net investment gains (losses) arising during the period (18 ) — — — (18 ) Reclassification adjustment for OTTI losses: Included in Net income (loss) 1 — — — 1 Excluded from Net income (loss) (1) — — — Impact of net unrealized investment gains (losses) on: DAC — (1 ) — — (1 ) Deferred income taxes — — — 4 4 Policyholders’ liabilities — — 9 — 9 Balance, December 31, 2017 $ 2 $ — $ (1 ) $ 0 $ 1 Balance, January 1, 2016 $ 21 $ — $ (4 ) $ (6 ) $ 11 Net investment gains (losses) arising during the period (17 ) — — — (17 ) Reclassification adjustment for OTTI losses: Included in Net income (loss) 15 — — — 15 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 1 — — 1 Deferred income taxes — — — 2 2 Policyholders’ liabilities — — (6 ) — (6 ) Balance, December 31, 2016 $ 19 $ 1 $ (10 ) $ (4 ) $ 6 (1) Represents “transfers in” related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss.
All Other Net Unrealized Investment Gains (Losses) in AOCI	All Other Net Unrealized Investment Gains (Losses) In AOCI Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred AOCI Gain (Loss) Related to Net Unrealized (in millions) Balance, July 1, 2018 $ (268 ) $ 34 $ (132 ) $ (52 ) $ (418 ) Net investment gains (losses) arising during the period (564 ) — — — (564 ) Reclassification adjustment: Included in Net income (loss) 36 — — — 36 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 89 — — 89 Deferred income taxes — — — 104 104 Policyholders’ liabilities — — (54 ) — (54 ) Balance, September 30, 2018 $ (796 ) $ 123 $ (186 ) $ 52 $ (807 ) Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred AOCI Gain (Loss) Related to Net Unrealized (in millions) Balance, July 1, 2017 $ 1,432 $ (140 ) $ (204 ) $ (381 ) $ 707 Net investment gains (losses) arising during the period 4 — — — 4 Reclassification adjustment: Included in Net income (loss) 11 — — — 11 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — (47 ) — — (47 ) Deferred income taxes — — — 21 21 Policyholders’ liabilities (28 ) — (28 ) Balance, September 30, 2017 $ 1,447 $ (187 ) $ (232 ) $ (360 ) $ 668 ____________ (1) Represents “transfers out” related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss. Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, January 1, 2018 $ 1,871 $ (358 ) $ (238 ) $ (397 ) $ 878 Net investment gains (losses) arising during the period (2,613 ) — — — (2,613 ) Reclassification adjustment: Included in Net income (loss) (54 ) — — — (54 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 481 — — 481 Deferred income taxes — — — 449 449 Policyholders’ liabilities — — 52 — 52 Balance, September 30, 2018 $ (796 ) $ 123 $ (186 ) $ 52 $ (807 ) Balance, January 1, 2017 $ 529 $ (45 ) $ (192 ) $ (102 ) $ 190 Net investment gains (losses) arising during the period 854 — — — 854 Reclassification adjustment: Included in Net income (loss) 64 — — — 64 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — (142 ) — — (142 ) Deferred income taxes — — — (258 ) (258 ) Policyholders’ liabilities — — (40 ) — (40 ) Balance, September 30, 2017 $ 1,447 $ (187 ) $ (232 ) $ (360 ) $ 668 ____________ (1) Represents “transfers out” related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss.	All Other Net Unrealized Investment Gains (Losses) in AOCI Net Unrealized Gains (Losses) on Investments DAC Policyholders’ Deferred Income Tax Asset (Liability) AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) (in millions) Balance, January 1, 2017 $ 528 $ (45 ) $ (192 ) $ (102 ) $ (189 ) Net investment gains (losses) arising during the period 1,329 — — — 1,329 Reclassification adjustment for OTTI losses: Included in Net income (loss) 14 — — — 14 Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — (313 ) — — (313 ) Deferred income taxes — — — (295 ) (295 ) Policyholders’ liabilities — — (46 ) — (46 ) Balance, December 31, 2017 $ 1,871 $ (358 ) $ (238 ) $ (397 ) $ (878 ) Balance, January 1, 2016 $ 962 $ (128 ) $ (226 ) $ (213 ) $ 395 Net investment gains (losses) arising during the period (335 ) — — — (335 ) Reclassification adjustment for OTTI losses: Included in Net income (loss) (99 ) — — — (99 ) Excluded from Net income (loss) (1) — — — — — Impact of net unrealized investment gains (losses) on: DAC — 83 — — 83 Deferred income taxes — — — (111 ) (111 ) Policyholders’ liabilities — — 34 — 34 Balance, December 31, 2016 $ 528 $ (45 ) $ (192 ) $ (102 ) $ (189 ) (1) Represents “transfers out” related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss.
Schedule of Gross Unrealized Loss on Investments	The following tables disclose the fair values and gross unrealized losses of the 1,692 issues at September 30, 2018 and the 752 issues at December 31, 2017 of fixed maturities that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position for the specified periods at the dates indicated: Less Than 12 Months 12 Months or Longer Total Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses (in millions) September 30, 2018: Fixed Maturities: Corporate $ 14,535 $ 539 $ 2,672 $ 154 $ 17,207 $ 693 U.S. Treasury, government and agency 4,449 180 3,822 552 8,271 732 States and political subdivisions 19 1 — — 19 1 Foreign governments 68 2 73 8 141 10 Residential mortgage-backed 34 1 — — 34 1 Asset-backed 120 5 6 1 126 6 Redeemable preferred stock 184 7 12 1 196 8 Total $ 19,409 $ 735 $ 6,585 $ 716 $ 25,994 $ 1,451 December 31, 2017: Fixed Maturities: Corporate $ 2,903 $ 23 $ 1,331 $ 42 $ 4,234 $ 65 U.S. Treasury, government and agency 2,718 6 4,506 245 7,224 251 States and political subdivisions 20 — — — 20 — Foreign governments 11 — 73 5 84 5 Residential mortgage-backed 62 — 76 1 138 1 Asset-backed 15 1 12 — 27 1 Redeemable preferred stock 10 — 13 1 23 1 Total $ 5,739 $ 30 $ 6,011 $ 294 $ 11,750 $ 324	The following tables disclose the fair values and gross unrealized losses of the 752 issues at December 31, 2017 and the 894 issues at December 31, 2016 of fixed maturities that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position for the specified periods at the dates indicated: Less Than 12 Months 12 Months or Longer Total Fair Value Gross Fair Value Gross Fair Value Gross (in millions) December 31, 2017: Fixed Maturity Securities: Public corporate $ 2,123 $ 15 $ 690 $ 18 $ 2,813 $ 33 Private corporate 780 8 641 24 1,421 32 U.S. Treasury, government and agency 2,718 6 4,506 245 7,224 251 States and political subdivisions 20 — — — 20 — Foreign governments 11 — 73 5 84 5 Commercial mortgage-backed — — — — — — Residential mortgage-backed 62 — 76 1 138 1 Asset-backed 15 1 12 — 27 1 Redeemable preferred stock 10 — 13 1 23 1 Total $ 5,739 $ 30 $ 6,011 $ 294 $ 11,750 $ 324 December 31, 2016: Fixed Maturity Securities: Public corporate $ 3,466 $ 95 $ 150 $ 7 $ 3,616 $ 102 Private corporate 1,548 39 283 18 1,831 57 U.S. Treasury, government and agency 7,290 756 — — 7,290 756 States and political subdivisions — — 18 2 18 2 Foreign governments 73 3 49 11 122 14 Commercial mortgage-backed 68 6 180 102 248 108 Residential mortgage-backed 347 2 35 — 382 2 Asset-backed 128 — 8 1 136 1 Redeemable preferred stock 227 10 12 1 239 11 Total $ 13,147 $ 911 $ 735 $ 142 $ 13,882 $ 1,053
Valuation Allowance for Mortgage Loans	Allowance for credit losses for mortgage loans for the nine months ended September 30, 2018 and 2017 are as follows: Nine Months Ended September 30, 2018 2017 (in millions) Allowance for credit losses: Beginning balance, January 1, $ 8 $ 8 Charge-offs — — Recoveries (1 ) — Provision — — Ending balance, September 30, $ 7 $ 8 September 30, Individually Evaluated for Impairment $ 7 $ 8	Allowance for credit losses for mortgage loans for 2017, 2016 and 2015 are as follows: Commercial Mortgage Loans 2017 2016 2015 (in millions) Allowance for credit losses: Beginning Balance, January 1, $ 8 $ 6 $ 37 Charge-offs — — (32 ) Recoveries — (2 ) (1 ) Provision — 4 2 Ending Balance, December 31, $ 8 $ 8 $ 6 Ending Balance, December 31, Individually Evaluated for Impairment $ 8 $ 8 $ 6
Mortgage Loans by Loan-To-Value and Debt Service Coverage Ratios	The following tables provide information relating to the loan to value and debt service coverage ratios for commercial and agricultural mortgage loans at September 30, 2018 and December 31, 2017. Mortgage Loans by Loan-to-Value and Debt Service Coverage Ratios September 30, 2018 Debt Service Coverage Ratio (1) Loan-to-Value Ratio: (2) Greater than 2.0x 1.8x to 2.0x 1.5x to 1.8x 1.2x to 1.5x 1.0x to 1.2x Less than 1.0x Total Mortgage Loans (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 823 $ 21 $ 351 $ 24 $ — $ — $ 1,219 50% - 70% 4,739 649 1,192 603 151 — 7,334 70% - 90% 221 110 169 298 27 — 825 90% plus — — 27 — — — 27 Total Commercial Mortgage Loans $ 5,783 $ 780 $ 1,739 $ 925 $ 178 $ — $ 9,405 Agricultural Mortgage Loans (1) 0% - 50% $ 271 $ 142 $ 257 $ 555 $ 322 $ 33 $ 1,580 50% - 70% 127 53 231 378 235 49 1,073 70% - 90% — — — 19 — — 19 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 398 $ 195 $ 488 $ 952 $ 557 $ 82 $ 2,672 Debt Service Coverage Ratio (1) Loan-to-Value Ratio: (2) Greater than 2.0x 1.8x to 2.0x 1.5x to 1.8x 1.2x to 1.5x 1.0x to 1.2x Less than 1.0x Total Mortgage Loans (in millions) Total Mortgage Loans (1) 0% - 50% $ 1,094 $ 163 $ 608 $ 579 $ 322 $ 33 $ 2,799 50% - 70% 4,866 702 1,423 981 386 49 8,407 70% - 90% 221 110 169 317 27 — 844 90% plus — — 27 — — — 27 Total Mortgage Loans $ 6,181 $ 975 $ 2,227 $ 1,877 $ 735 $ 82 $ 12,077 _______________ (1) The debt service coverage ratio is calculated using the most recently reported operating income results from property operations divided by annual debt service. (2) The loan-to-value ratio is derived from current loan balance divided by the fair market value of the property. The fair market value of the underlying commercial properties is updated annually. Mortgage Loans by Loan-to-Value and Debt Service Coverage Ratios December 31, 2017 Debt Service Coverage Ratio (1) Loan-to-Value Ratio: (2) Greater than 2.0x 1.8x to 2.0x 1.5x to 1.8x 1.2x to 1.5x 1.0x to 1.2x Less than 1.0x Total Mortgage Loans (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 759 $ — $ 320 $ 74 $ — $ — $ 1,153 50% - 70% 4,088 682 1,066 428 145 — 6,409 70% - 90% 169 110 196 272 50 — 797 90% plus — — 27 — — — 27 Total Commercial Mortgage Loans $ 5,016 $ 792 $ 1,609 $ 774 $ 195 $ — $ 8,386 Agricultural Mortgage Loans (1) 0% - 50% $ 272 $ 149 $ 275 $ 515 $ 316 $ 30 $ 1,557 50% - 70% 111 46 227 359 221 49 1,013 70% - 90% — — — 4 — — 4 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 383 $ 195 $ 502 $ 878 $ 537 $ 79 $ 2,574 Total Mortgage Loans (1) 0% - 50% $ 1,031 $ 149 $ 595 $ 589 $ 316 $ 30 $ 2,710 50% - 70% 4,199 728 1,293 787 366 49 7,422 70% - 90% 169 110 196 276 50 — 801 90% plus — — 27 — — — 27 Total Mortgage Loans $ 5,399 $ 987 $ 2,111 $ 1,652 $ 732 $ 79 $ 10,960 ______________ (1) The debt service coverage ratio is calculated using the most recently reported operating income results from property operations divided by annual debt service. (2) The loan-to-value ratio is derived from current loan balance divided by the fair market value of the property. The fair market value of the underlying commercial properties is updated annually.	The following tables provide information relating to the loan-to-value Mortgage Loans by Loan-to-Value December 31, 2017 Debt Service Coverage Ratio (1) Loan-to-Value (2) Greater 1.8x to 1.5x to 1.2x to 1.0x to Less Total (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 759 $ — $ 320 $ 74 $ — $ — $ 1,153 50% - 70% 4,088 682 1,066 428 145 — 6,409 70% - 90% 169 110 196 272 50 — 797 90% plus — — 27 — — — 27 Total Commercial Mortgage Loans $ 5,016 $ 792 $ 1,609 $ 774 $ 195 $ — $ 8,386 Agricultural Mortgage Loans (1) 0% - 50% $ 272 $ 149 $ 275 $ 515 $ 316 $ 30 $ 1,557 50% - 70% 111 46 227 359 221 49 1,013 70% - 90% — — — 4 — — 4 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 383 $ 195 $ 502 $ 878 $ 537 $ 79 $ 2,574 Total Mortgage Loans (1) 0% - 50% $ 1,031 $ 149 $ 595 $ 589 $ 316 $ 30 $ 2,710 50% - 70% 4,199 728 1,293 787 366 49 7,422 70% - 90% 169 110 196 276 50 — 801 90% plus — — 27 — — — 27 Total Mortgage Loans $ 5,399 $ 987 $ 2,111 $ 1,652 $ 732 $ 79 $ 10,960 (1) The debt service coverage ratio is calculated using the most recently reported operating earnings results from property operations divided by annual debt service. (2) The loan-to-value Mortgage Loans by Loan-to-Value December 31, 2016 Debt Service Coverage Ratio (1) Loan-to-Value (2) Greater 1.8x to 1.5x to 1.2x to 1.0x to Less Total (in millions) Commercial Mortgage Loans (1) 0% - 50% $ 755 $ 95 $ 59 $ 56 $ — $ — $ 965 50% - 70% 3,217 430 673 1,100 76 — 5,496 70% - 90% 282 65 229 127 28 46 777 90% plus — — 28 15 — — 43 Total Commercial Mortgage Loans $ 4,254 $ 590 $ 989 $ 1,298 $ 104 $ 46 $ 7,281 Agricultural Mortgage Loans (1) 0% - 50% $ 254 $ 138 $ 296 $ 468 $ 286 $ 49 $ 1,491 50% - 70% 141 57 209 333 219 45 1,004 70% - 90% — — 2 4 — — 6 90% plus — — — — — — — Total Agricultural Mortgage Loans $ 395 $ 195 $ 507 $ 805 $ 505 $ 94 $ 2,501 Total Mortgage Loans (1) 0% - 50% $ 1,009 $ 233 $ 355 $ 524 $ 286 $ 49 $ 2,456 50% - 70% 3,358 487 882 1,433 295 45 6,500 70% - 90% 282 65 231 131 28 46 783 90% plus — — 28 15 — — 43 Total Mortgage Loans $ 4,649 $ 785 $ 1,496 $ 2,103 $ 609 $ 140 $ 9,782 (1) The debt service coverage ratio is calculated using the most recently reported operating earnings results from property operations divided by annual debt service. (2) The loan-to-value
Age Analysis of Past Due Mortgage Loans	The following table provides information relating to the aging analysis of past due mortgage loans at September 30, 2018 and December 31, 2017 , respectively. Age Analysis of Past Due Mortgage Loan 30-59 Days 60-89 Days 90 Days or More Total Current Total Financing Receivables Recorded Investment 90 Days or More and Accruing (in millions) September 30, 2018 Commercial $ — $ — $ 27 $ 27 $ 9,378 $ 9,405 $ — Agricultural 5 12 57 74 2,598 2,672 57 Total Mortgage Loans $ 5 $ 12 $ 84 $ 101 $ 11,976 $ 12,077 $ 57 December 31, 2017 Commercial $ 27 $ — $ — $ 27 $ 8,359 $ 8,386 $ — Agricultural 49 3 22 74 2,500 2,574 22 Total Mortgage Loans $ 76 $ 3 $ 22 $ 101 $ 10,859 $ 10,960 $ 22	The following table provides information relating to the aging analysis of past due mortgage loans at December 31, 2017 and 2016, respectively. Age Analysis of Past Due Mortgage Loan 30-59 60-89 Days 90 Days Or > Total Current Total Financing Receivables Recorded (in millions) December 31, 2017: Commercial $ 27 $ — $ — $ 27 $ 8,359 $ 8,386 $ — Agricultural 49 3 22 74 2,500 2,574 22 Total Mortgage Loans $ 76 $ 3 $ 22 $ 101 $ 10,859 $ 10,960 $ 22 December 31, 2016: Commercial $ — $ — $ — $ — $ 7,281 $ 7,281 $ — Agricultural 9 2 6 17 2,484 2,501 6 Total Mortgage Loans $ 9 $ 2 $ 6 $ 17 $ 9,765 $ 9,782 $ 6
Impaired Mortgage Loans	The following table provides information relating to impaired mortgage loans at September 30, 2018 and December 31, 2017 , respectively. Impaired Mortgage Loans Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment (1) Interest Income Recognized (in millions) September 30, 2018: With no related allowance recorded: Commercial mortgage loans - other $ — $ — $ — $ — $ — Agricultural mortgage loans — — — — — Total $ — $ — $ — $ — $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (7 ) $ 27 $ — Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (7 ) $ 27 $ — December 31, 2017: With no related allowance recorded: Commercial mortgage loans - other $ — $ — $ — $ — $ — Agricultural mortgage loans — — — — — Total $ — $ — $ — $ — $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (8 ) $ 27 $ 2 Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (8 ) $ 27 $ 2 ________________ (1) Represents a three-quarter average of recorded amortized cost.	The following table provides information relating to impaired mortgage loans at December 31, 2017 and 2016, respectively. Impaired Mortgage Loans Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment (1) Interest Income Recognized (in millions) December 31, 2017: With no related allowance recorded: Commercial mortgage loans - other $ — $ — $ — $ — $ — Agricultural mortgage loans — — — — — Total $ — $ — $ — $ — $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (8 ) $ 27 $ 2 Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (8 ) $ 27 $ 2 December 31, 2016: With no related allowance recorded: Commercial mortgage loans - other $ 15 $ 15 $ — $ 22 $ — Agricultural mortgage loans — — — — — Total $ 15 $ 15 $ — $ 22 $ — With related allowance recorded: Commercial mortgage loans - other $ 27 $ 27 $ (8 ) $ 48 $ 2 Agricultural mortgage loans — — — — — Total $ 27 $ 27 $ (8 ) $ 48 $ 2 (1) Represents a five-quarter average of recorded amortized cost.
Derivative Instruments by Category	The tables below present quantitative disclosures about the Company’s derivative instruments, including those embedded in other contracts required to be accounted for as derivative instruments. Derivative Instruments by Category At September 30, 2018 Gains (Losses) Reported In Net Earnings (Loss) Nine Months Ended September 30, 2018 Fair Value Notional Amount Asset Derivatives Liability Derivatives (in millions) Freestanding derivatives: Equity contracts: (1,6) Futures $ 7,863 $ 1 $ 1 $ (508 ) Swaps 7,900 12 189 (455 ) Options 24,723 4,187 1,632 701 Interest rate contracts: (1,6) Swaps 25,761 330 653 (1,212 ) Futures 17,498 — — 45 Credit contracts: (1,6) Credit default swaps 1,935 28 3 3 Other freestanding contracts: (1,6) Foreign currency contracts 2,110 75 9 60 Margin — 38 — — Collateral — 65 2,189 — Embedded derivatives: GMIB reinsurance contracts (6) — 1,375 — (522 ) GMxB derivative features liability (3,6) — — 4,294 452 SCS, SIO, MSO and IUL indexed features (5,6) — — 2,458 (850 ) Net derivative investment gains (loss) (2,288 ) Cross currency swaps (2,4) — — — 9 Total $ 87,790 $ 6,111 $ 11,428 $ (2,279 ) ____________ (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statements of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss). At December 31, 2017 Gains (Losses) Fair Value Notional Amount Asset Derivatives Liability Derivatives (in millions) Freestanding derivatives: Equity contracts: (1,6) Futures $ 6,716 $ 1 $ 2 $ (965 ) Swaps 7,623 4 201 (996 ) Options 22,223 3,456 1,457 873 Interest rate contracts: (1,6) Swaps 26,769 604 193 661 Futures 20,675 — — 100 Credit contracts: (1,6) Credit default swaps 2,131 35 3 16 Other freestanding contracts: (1,6) Foreign currency contracts 1,423 19 10 (40 ) Margin — 24 4 — Collateral — 4 2,123 — Embedded derivatives: GMIB reinsurance contracts (6) — 1,894 — 286 GMxB derivative features liability (3,6) — — 4,451 1,210 SCS, SIO, MSO and IUL indexed features (5,6) — — 1,786 (913 ) Net derivative investment gains (loss) 232 Cross currency swaps (2,4) 354 5 — (39 ) Total $ 87,914 $ 6,046 $ 10,230 $ 193 ____________ (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statements of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss).	The tables below present quantitative disclosures about the Company’s derivative instruments, including those embedded in other contracts required to be accounted for as derivative instruments: Derivative Instruments by Category For the Year Ended December 31, 2017 Fair Value Notional Asset Liability Gains (Losses) (in millions) Freestanding Investment Derivatives: Equity contracts: (1) Futures $ 6,716 $ 1 $ 2 $ (1,297 ) Swaps 7,623 4 201 (1,413 ) Options 22,223 3,456 1,457 1,265 Interest rate contracts: (1) Floors Swaps 26,769 604 193 863 Futures 20,675 — — 293 Credit contracts: (1) Credit default swaps 2,131 35 3 19 Other freestanding contracts: (1) Foreign currency contracts 1,423 19 10 (39 ) Margin — 24 4 — Collateral paid — 4 — — Collateral received — — 2,123 — Embedded and Freestanding Insurance Derivatives: GMIB reinsurance contracts (6) — 1,894 — 174 GMxB derivative features liability (3,6) — — 4,451 1,652 SCS, SIO, MSO and IUL indexed features liability (5,6) — — 1,786 (1,303 ) Net derivative investment (gains) loss 214 Cross currency swaps (2,4) 354 5 — 40 Balances, December 31, 2017 $ 87,914 $ 6,046 $ 10,230 $ 254 (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statement of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss). Derivative Instruments by Category At or For the Year Ended December 31, 2016 Fair Value Notional Asset Liability Gains (Losses) (in millions) Freestanding Investment Derivatives: Equity contracts: (1) Futures $ 9,131 $ 1 $ 1 $ (1,445 ) Swaps 5,933 22 117 (459 ) Options 12,241 2,190 1,174 746 Interest rate contracts: (1) Floors 1,500 11 — 4 Swaps 26,133 514 1,443 (198 ) Futures 14,818 — — 156 Credit contracts: (1) Credit default swaps 2,757 20 15 15 Other freestanding contracts: (1) Foreign currency contracts 730 52 6 45 Margin — 121 6 — Collateral — 935 908 — Embedded and Freestanding Insurance Derivatives: GMIB reinsurance contracts (6) — 1,735 — (77 ) GMxB derivative features liability (3,6) — — 5,731 136 SCS, SIO, MSO and IUL indexed features liability (5, 6) — — 940 (771 ) Net derivative gains (loss) (1,848 ) Cross currency swaps (2, 4) 391 — 81 (19 ) Balances, December 31, 2016 $ 73,634 $ 5,601 $ 10,422 $ (1,867 ) (1) Reported in Other invested assets in the consolidated balance sheets. (2) Reported in Other assets or Other liabilities in the consolidated balance sheets. (3) Reported in Future policy benefits and other policyholders’ liabilities in the consolidated balance sheets. (4) Reported in Other income in the consolidated statement of income (loss). (5) SCS and SIO indexed features are reported in Policyholders’ account balances; MSO and IUL indexed features are reported in the Future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (6) Reported in Net derivative gains (losses) in the consolidated statements of income (loss).
Offsetting Financial Assets and Liabilities and Derivative Instruments	The following table presents information about the Company’s offsetting of financial assets and liabilities and derivative instruments at September 30, 2018 . Offsetting of Financial Assets and Liabilities and Derivative Instruments At September 30, 2018 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) ASSETS (1) Description Derivatives: Equity contracts $ 4,200 $ 1,821 $ 2,379 Interest rate contracts 330 653 (323 ) Credit contracts 28 3 25 Currency 75 9 66 Margin 38 — 38 Collateral 65 2,189 (2,124 ) Total Derivatives, subject to an ISDA Master Agreement $ 4,736 $ 4,675 $ 61 Other financial instruments 2,859 — 2,859 Other invested assets $ 7,595 $ 4,675 $ 2,920 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) LIABILITIES (2) Description Derivatives: Equity contracts $ 1,821 $ 1,821 $ — Interest rate contracts 653 653 — Credit contracts 3 3 — Currency 9 9 — Margin — — — Collateral 2,189 2,189 — Total Derivatives, subject to an ISDA Master Agreement 4,675 4,675 — Other financial liabilities 3,485 — 3,485 Other liabilities $ 8,160 $ 4,675 $ 3,485 Securities sold under agreement to repurchase (3) $ 1,891 $ — $ 1,891 ____________ (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $9 million in securities sold under agreement to repurchase. The following table presents information about the Company’s offsetting financial assets and liabilities and derivative instruments at December 31, 2017 . Offsetting of Financial Assets and Liabilities and Derivative Instruments At December 31, 2017 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) ASSETS (1) Description Derivatives: Equity contracts $ 3,461 $ 1,660 $ 1,801 Interest rate contracts 604 193 411 Credit contracts 35 3 32 Currency 19 10 9 Collateral 4 2,123 (2,119 ) Margin 24 4 20 Total Derivatives, subject to an ISDA Master Agreement $ 4,147 $ 3,993 $ 154 Other financial instruments 3,964 — 3,964 Other invested assets $ 8,111 $ 3,993 $ 4,118 Total Derivatives, not subject to an ISDA Master Agreement (4) $ 5 $ — $ 5 Gross Amounts Recognized Gross Amounts Offset in the Balance Sheets Net Amounts Presented in the Balance Sheets (in millions) LIABILITIES (2) Derivatives: Equity contracts $ 1,660 $ 1,660 $ — Interest rate contracts 193 193 — Credit contracts 3 3 — Currency 10 10 — Collateral 2,123 2,123 — Margin 4 4 — Total Derivatives, subject to an ISDA Master Agreement $ 3,993 $ 3,993 $ — Other financial liabilities 4,053 — 4,053 Other liabilities $ 8,046 $ 3,993 $ 4,053 Securities sold under agreement to repurchase (3) $ 1,882 $ — $ 1,882 ________________ (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $ 5 million included in Securities sold under agreements to repurchase on the consolidated balance sheets. (4) This amount is reflected in Other assets.	The following table presents information about the Company’s offsetting of financial assets and liabilities and derivative instruments at December 31, 2017: Offsetting of Financial Assets and Liabilities and Derivative Instruments At December 31, 2017 Gross Gross Net Amounts (in millions) ASSETS (1) Derivatives: Equity contracts $ 3,461 $ 1,660 $ 1,801 Interest rate contracts 604 193 411 Credit contracts 35 3 32 Currency 19 10 9 Collateral 4 2,123 (2,119 ) Margin 24 4 20 Total Derivatives, subject to an ISDA Master Agreement 4,147 3,993 154 Other financial instruments 3,964 3,964 Other invested assets $ 8,111 $ 3,993 $ 4,118 Total Derivatives, not subject to an ISDA Master Agreement (4) 5 — 5 Securities purchased under agreement to resell $ — $ — $ — LIABILITIES (2) Derivatives: Equity contracts $ 1,660 $ 1,660 $ — Interest rate contracts 193 193 — Credit contracts 3 3 — Currency 10 10 — Collateral 2,123 2,123 — Margin 4 4 — Total Derivatives, subject to an ISDA Master Agreement 3,993 3,993 — Other non-financial 4,053 — 4,053 Other liabilities $ 8,046 $ 3,993 $ 4,053 Securities sold under agreement to repurchase (3) $ 1,882 $ — $ 1,882 (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $5 million in securities sold under agreement to repurchase. (4) This amount is reflected in Other assets. The following table presents information about the General Account’s offsetting of financial assets and liabilities and derivative instruments at December 31, 2016: Offsetting of Financial Assets and Liabilities and Derivative Instruments At December 31, 2016 Gross Gross Net Amounts (in millions) Assets (1) Derivatives: Equity contracts $ 2,214 $ 1,292 $ 922 Interest rate contracts 521 1,443 (922 ) Credit contracts 20 15 5 Currency 52 6 46 Collateral 935 908 27 Margin 121 6 115 Total Derivatives, subject to an ISDA Master Agreement 3,863 3,670 193 Total Derivatives, not subject to an ISDA Master Agreement 4 — 4 Total Derivatives 3,867 3,670 197 Other financial instruments 3,127 — 3,127 Other invested assets $ 6,994 $ 3,670 $ 3,324 Securities purchased under agreement to resell $ — $ — $ — Gross Gross Net Amounts (in millions) Liabilities (2) Derivatives: Equity contracts $ 1,292 $ 1,292 $ — Interest rate contracts 1,443 1,443 — Credit contracts 15 15 — Currency 6 6 — Collateral 908 908 — Margin 6 6 — Total Derivatives, subject to an ISDA Master Agreement 3,670 3,670 — Total Derivatives, not subject to an ISDA Master Agreement 81 — 81 Total Derivatives 3,751 3,670 81 Other non-financial 3,639 — 3,639 Other liabilities 7,390 3,670 3,720 Securities sold under agreement to repurchase (3) $ 3,586 $ — $ 3,586 (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $7 million in securities sold under agreement to repurchase.
Gross Collateral Amounts Not Offset in Consolidated Balance Sheets	The following table presents information about the Company’s gross collateral amounts that are not offset in the consolidated balance sheets at December 31, 2017 . Collateral Amounts Not Offset in the Consolidated Balance Sheets At December 31, 2017 Net Amounts Presented in the Balance Sheets Collateral (Received)/Held Financial Instruments Cash Net Amounts (in millions) Assets (1) Total Derivatives $ 2,253 $ — $ (2,099 ) $ 154 Other financial assets 3,964 — — 3,964 Other invested assets $ 6,217 $ — $ (2,099 ) $ 4,118 Liabilities: (2) Other financial liabilities $ 4,053 $ — $ — $ 4,053 Other liabilities $ 4,053 $ — $ — $ 4,053 Securities sold under agreement to repurchase (3)(4)(5) $ 1,882 $ (1,988 ) $ (21 ) $ (127 ) _________________ (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $5 million in securities sold under agreement to repurchase. (4) U.S. Treasury and agency securities are in fixed maturities available for sale on consolidated balance sheets. (5) Cash is included in cash and cash equivalents on consolidated balance sheets. The following table presents information about the Company’s gross collateral amounts that are not offset in the consolidated balance sheets at September 30, 2018 . Collateral Amounts Not Offset in the Consolidated Balance Sheets At September 30, 2018 Net Amounts Presented in the Balance Sheets Collateral (Received)/Held Financial Instruments Cash Net Amounts (in millions) Assets (1) Total derivatives $ 2,146 $ — $ (2,085 ) $ 61 Other financial instruments 2,859 — — 2,859 Other invested assets $ 5,005 $ — $ (2,085 ) $ 2,920 Liabilities: (2) Securities sold under agreement to repurchase (3)(4)(5) $ 1,891 $ (1,891 ) $ — $ — ____________ (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $ 9 million included in Securities sold under agreements to repurchase on the consolidated balance sheets. (4) U.S. Treasury and agency securities are included in Fixed maturities available for sale on the consolidated balance sheets. (5) Cash is reported in Cash and cash equivalents on the consolidated balance sheets.	The following table presents information about the Company’s gross collateral amounts that are offset in the consolidated balance sheets at December 31, 2017: Collateral Amounts Offset in the Consolidated Balance Sheets At December 31, 2017 Fair Value Collateral (Received)/Paid Financial Cash Net (in millions) Assets (1) Total Derivatives $ 2,253 $ — $ (2,099 ) $ 154 Other financial instruments 3,964 — — 3,964 Other invested assets $ 6,217 $ — $ (2,099 ) $ 4,118 Liabilities: (2) $ — Other Derivatives $ — $ — $ — $ — Other financial liabilities 4,053 — — 4,053 Other liabilities $ 4,053 $ — $ — $ 4,053 Securities sold under agreement to repurchase (3)(4)(5) $ 1,882 $ (1,988 ) $ (21 ) $ (127 ) (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $5 million in securities sold under agreement to repurchase. (4) US Treasury and agency securities are in fixed maturities available for sale on consolidated balance sheet. (5) Cash is in cash and cash equivalent on consolidated balance sheet. The following table presents information about the General Account’s gross collateral amounts that are offset in the consolidated balance sheets at December 31, 2016: Collateral Amounts Offset in the Consolidated Balance Sheets At December 31, 2016 Fair Value of Assets Collateral (Received)/Paid Financial Cash Net (in millions) Assets (1) Total Derivatives $ 56 $ (6 ) $ 141 $ 191 Other financial instruments 3,127 — — 3,127 Other invested assets $ 3,183 $ (6 ) $ 141 $ 3,318 Securities sold under agreement to resell $ 79 $ (79 ) $ — $ — Liabilities (2) $ — Other Derivatives $ 81 $ — $ — $ 81 Other financial liabilities $ 3,639 $ — $ — $ 3,639 Other liabilities $ 3,720 $ — $ — $ 3,720 Securities sold under agreement to repurchase (3)(4)(5) $ 3,586 $ (3,467 ) $ (115 ) $ 4 (1) Excludes Investment Management and Research segment’s derivative assets of consolidated VIEs/VOEs. (2) Excludes Investment Management and Research segment’s derivative liabilities of consolidated VIEs/VOEs. (3) Excludes expense of $7 million in securities sold under agreement to repurchase. (4) US Treasury and agency securities are in fixed maturities available for sale and trading securities on consolidated balance sheet. (5) Cash is in cash and cash equivalent on consolidated balance sheet.
Repurchase Agreements Accounted for as Secured Borrowings	The following table presents information about repurchase agreements accounted for as secured borrowings in the consolidated balance sheets at December 31, 2017 . Repurchase Agreement Accounted for as Secured Borrowings At December 31, 2017 Remaining Contractual Maturity of the Agreements Overnight and Continuous Up to 30 days 30–90 days Greater Than 90 days Total (in millions) Securities sold under agreement to repurchase (1) U.S. Treasury and agency securities $ — $ 1,882 $ — $ — $ 1,882 Total $ — $ 1,882 $ — $ — $ 1,882 _______________ (1) Excludes expense of $5 million in securities sold under agreements to repurchase on the consolidated balance sheets. The following table presents information about repurchase agreements accounted for as secured borrowings in the consolidated balance sheets at September 30, 2018 . Repurchase Agreement Accounted for as Secured Borrowings At September 30, 2018 Remaining Contractual Maturity of the Agreements Overnight and Continuous Up to 30 days 30–90 days Greater Than 90 days Total (in millions) Securities sold under agreement to repurchase (1) U.S. Treasury and agency securities $ — $ 1,891 $ — $ — $ 1,891 Total $ — $ 1,891 $ — $ — $ 1,891 ____________ (1) Excludes expense accrual of $ 9 million included in securities sold under agreements to repurchase on the consolidated balance sheets.	Repurchase Agreement Accounted for as Secured Borrowings December 31, 2017 Remaining Contractual Maturity of the Agreements Overnight and Up to 30 30-90 days Greater Than Total (in millions) Securities sold under agreement to repurchase (1) U.S. Treasury and agency securities $ — $ 1,882 $ — $ — $ 1,882 Total $ — $ 1,882 $ — $ — $ 1,882 (1) Excludes expense of $5 million in securities sold under agreement to repurchase. The following table presents information about the General Account’s offsetting of financial assets and liabilities and derivative instruments at December 31, 2016: Repurchase Agreement Accounted for as Secured Borrowings At December 31, 2016 Remaining Contractual Maturity of the Agreements Overnight and Up to 30 30-90 Greater Than Total (in millions) Securities sold under agreement to repurchase U.S. Treasury and agency securities $ — $ 3,586 $ — $ — $ 3,586 Total $ — $ 3,586 $ — $ — $ 3,586 Securities purchased under agreement to resell Corporate securities $ — Total $ — $ — $ — $ — $ —
Net investment income (loss) by asset category		The following table breaks out Net investment income (loss) by asset category: Years Ended December 31, 2017 2016 2015 (in millions) Fixed maturities $ 1,629 $ 1,723 $ 1,717 Mortgage loans on real estate 454 397 339 Real estate held for the production of income 2 19 164 Other equity investments 186 168 84 Policy loans 221 225 228 Repurchase agreements — 1 1 Trading securities 553 144 21 Other investment income 109 67 35 Gross investment income (loss) 3,154 2,744 2,589 Investment expenses (1) (72 ) (79 ) (139 ) Net Investment Income (Loss) $ 3,082 $ 2,665 $ 2,450 (1) Investment expenses includes expenses related to the management of the two buildings sold in 2016.
Net Investment Income (Loss) from Trading Securities	Net Investment Income (Loss) from Trading Securities Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net investment gains (losses) recognized during the period on securities held at the end of the period $ (35 ) $ 42 $ (255 ) $ 231 Net investment gains (losses) recognized on securities sold during the period 6 11 (11 ) 38 Unrealized and realized gains (losses) on trading securities arising during the period (29 ) 53 (266 ) 269 Interest and dividend income from trading securities 84 80 243 197 Net investment income (loss) from trading securities $ 55 $ 133 $ (23 ) $ 466	The table below shows a breakdown of Net investment income from trading account securities during the year ended 2017, 2016 and 2015: Net Investment Income (Loss) from Trading Securities Years Ended December, 31 2017 2016 2015 (in millions) Net investment gains (losses) recognized during the period on securities held at the end of the period $ 247 $ (51 ) $ (209 ) Net investment gains (losses) recognized on securities sold during the period 19 (12 ) 81 Unrealized and realized gains (losses) on trading securities 266 (63 ) (128 ) Interest and dividend income from trading securities 287 207 149 Net investment income (loss) from trading securities $ 553 $ 144 $ 21
Investment gains (losses)		Investment gains (losses), net including changes in the valuation allowances and OTTI are as follows: Years Ended December, 31 2017 2016 2015 (in millions) Fixed maturities $ (194 ) $ 83 $ (8 ) Mortgage loans on real estate 2 (2 ) (1 ) Real estate held for the production of income (1) — 1,880 — Other equity investments 2 (2 ) (5 ) Other (1 ) 24 (1 ) Investment Gains (Losses), Net $ (191 ) $ 1,983 $ (15 ) (1) See “Real Estate“ within this note for more information on realized gain on sale of real estate

GOODWILL AND OTHER INTANGIBLE_2

GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)	12 Months Ended
	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Summary of Goodwill by Reporting Segment and Corporate and Other	Information regarding goodwill by reporting segment and Corporate and Other is as follows: Individual Group Protection Corporate Subtotal Investment Total (in millions) Balance at January 1, 2015 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Accumulated impairment losses — — — — — — — Total goodwill, net $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Goodwill acquired during year — — — — — — $ — Impairment losses recognized during year — — — — — — — Balance at December 31, 2015 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Accumulated impairment losses — — — — — — — Total goodwill, net $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,548 $ 4,917 Goodwill acquired during year — — — — — 22 22 Impairment losses recognized during year — — — — — — — Balance at December 31, 2016 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,570 $ 4,939 Accumulated impairment losses — — — — — — — Total goodwill, net $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,570 $ 4,939 Goodwill acquired during year — — — — — — — Impairment losses recognized during year $ (53 ) (122 ) (139 ) (55 ) (369 ) — (369 ) Balance at December 31, 2017 Goodwill $ 53 $ 122 $ 139 $ 55 $ 369 $ 4,570 $ 4,939 Accumulated impairment losses (53 ) (122 ) (139 ) (55 ) (369 ) — (369 ) Total goodwill, net $ — $ — $ — $ — $ — $ 4,570 $ 4,570

CLOSED BLOCK (Tables)

CLOSED BLOCK (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Text Block [Abstract]
Summarized Financial Information for Closed Blocks	Summarized financial information for the Company’s Closed Block is as follows: September 30, December 31, (in millions) CLOSED BLOCK LIABILITIES: Future policy benefits, policyholders’ account balances and other $ 6,788 $ 6,958 Policyholder dividend obligation — 19 Other liabilities 48 271 Total Closed Block liabilities 6,836 7,248 ASSETS DESIGNATED TO THE CLOSED BLOCK: Fixed maturities, available for sale, at fair value (amortized cost of $3,681 and $3,923) 3,669 4,070 Mortgage loans on real estate 1,902 1,720 Policy loans 745 781 Cash and other invested assets 39 351 Other assets 187 182 Total assets designated to the Closed Block 6,542 7,104 Excess of Closed Block liabilities over assets designated to the Closed Block 294 144 Amounts included in accumulated other comprehensive income (loss): Net unrealized investment gains (losses), net of policyholder dividend obligation of $0 and $19 (2 ) 138 Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities $ 292 $ 282	Summarized financial information for the Company’s Closed Block is as follows: December 31, 2017 2016 (in millions) Closed Block Liabilities: Future policy benefits, policyholders’ account balances and other $ 6,945 $ 7,179 Policyholder dividend obligation 32 52 Other liabilities 271 43 Total Closed Block liabilities 7,248 7,274 Assets Designated To The Closed Block: Fixed maturities, available for sale, at fair value (amortized cost of $3,923 and $3,884) 4,070 4,025 Mortgage loans on real estate 1,720 1,623 Policy loans 781 839 Cash and other invested assets 351 444 Other assets 219 213 Total assets designated to the Closed Block 7,141 7,144 Excess of Closed Block liabilities over assets designated to the Closed Block 107 130 Amounts included in accumulated other comprehensive income (loss): Net unrealized investment gains (losses), net of policyholder dividend obligation of $19 and $52 138 100 Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities $ 245 $ 230
Closed Block Revenues and Expenses	The Company’s Closed Block revenues and expenses are as follows: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) REVENUES: Premiums and other income $ 44 $ 52 $ 144 $ 167 Net investment income (loss) 72 82 218 244 Net investment gains (losses) — (2 ) 1 (18 ) Total revenues 116 132 363 393 BENEFITS AND OTHER DEDUCTIONS: Policyholders’ benefits and dividends 123 132 372 416 Other operating costs and expenses 1 1 3 2 Total benefits and other deductions 124 133 375 418 Net revenues (loss) before income taxes (8 ) (1 ) (12 ) (25 ) Income tax (expense) benefit 2 1 2 9 Net revenues (losses) $ (6 ) $ — $ (10 ) $ (16 )	The Company’s Closed Block revenues and expenses follow: Years Ended December 31, 2017 2016 2015 (in millions) Revenues: Premiums and other income $ 224 $ 212 $ 236 Investment income (loss) 314 349 368 Net investment gains (losses) (20 ) (1 ) 2 Total revenues 518 560 606 Benefits and Other Deductions: Policyholders’ benefits and dividends 537 522 550 Other operating costs and expenses 2 4 4 Total benefits and other deductions 539 526 554 Net income, before income taxes (21 ) 34 52 Income tax (expense) benefit 6 (12 ) (18 ) Net income (losses) $ (15 ) $ 22 $ 34
Reconciliation of Policy Holder Dividend Obligation	A reconciliation of the Company’s policyholder dividend obligation follows: Nine Months Ended 2018 2017 (in millions) Balances, beginning of year $ 19 $ 52 Unrealized investment gains (losses), net of DAC (19 ) (5 ) Balances, end of period $ — $ 47	A reconciliation of the Company’s policyholder dividend obligation follows: December 31, 2017 2016 (in millions) Balance, beginning of year $ 52 $ 81 Unrealized investment gains (losses) (20 ) (29 ) Balance, end of year $ 32 $ 52

DAC AND POLICYHOLDER BONUS IN_2

DAC AND POLICYHOLDER BONUS INTEREST CREDITS (Tables)	12 Months Ended
	Dec. 31, 2017
Text Block [Abstract]
Schedule of Changes in Deferred Acquisition Costs	Changes in deferred acquisition costs at December 31, 2017 and 2016 were as follows: December 31, 2017 2016 (in millions) Balance, beginning of year $ 6,049 $ 6,047 Capitalization of commissions, sales and issue expenses 687 697 Amortization (503 ) (779 ) Change in unrealized investment gains and losses (314 ) 84 Balance, end of year $ 5,919 $ 6,049
Schedule of Components of Amortization of Deferred Policy Acquisition Costs	The components of Amortization of deferred policy acquisition costs, net as presented in the income statement are as follows: December 31, 2017 2016 2015 (in millions) Commissions and distribution related payments $ 523 $ 536 $ 559 Compensation and benefits 156 154 157 Other operating costs and expenses 8 7 7 Capitalization of commissions, sales and issue expenses 687 697 723 Amortization (503 ) (779 ) (431 ) Amortization of deferred policy acquisition costs, net $ 184 $ (82 ) $ 292
Schedule of Change in Deferred Assets for Policyholder Bonus Interest Credit	Changes in the deferred asset for policyholder bonus interest credits are as follows: December 31, 2017 2016 (in millions) Balance, beginning of year $ 504 $ 534 Policyholder bonus interest credits deferred 7 13 Amortization charged to income (38 ) (43 ) Balance, end of year $ 473 $ 504

FAIR VALUE DISCLOSURES (Tables)

FAIR VALUE DISCLOSURES (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on Recurring Basis	Assets and liabilities measured at fair value on a recurring basis are summarized below. At September 30, 2018 and December 31, 2017 , no assets were required to be measured at fair value on a non-recurring basis. Fair value measurements are required on a non-recurring basis for certain assets, including goodwill and mortgage loans on real estate, only when an OTTI or other event occurs. When such fair value measurements are recorded, they must be classified and disclosed within the fair value hierarchy. The Company recognizes transfers between valuation levels at the beginning of the reporting period. Fair Value Measurements at September 30, 2018 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale: Corporate $ — $ 26,908 $ 1,142 $ 28,050 U.S. Treasury, government and agency — 13,457 — 13,457 States and political subdivisions — 420 39 459 Foreign governments — 448 — 448 Residential mortgage-backed (1) — 242 — 242 Asset-backed (2) — 83 537 620 Redeemable preferred stock 176 327 — 503 Total fixed maturities, available-for-sale $ 176 $ 41,885 $ 1,718 $ 43,779 Other equity investments $ 12 $ — $ 53 $ 65 Trading securities 537 14,420 36 14,993 Other invested assets: Short-term investments — 1,499 — 1,499 Assets of consolidated VIEs/VOEs 86 214 28 328 Swaps — (433 ) — (433 ) Credit Default Swaps — 25 — 25 Futures — — — — Options — 2,554 — 2,554 Total other invested assets $ 86 $ 3,859 $ 28 $ 3,973 Cash equivalents $ 3,849 $ — $ — $ 3,849 Segregated securities — 1,263 — 1,263 GMIB reinsurance contract asset — — 1,375 1,375 Separate Accounts assets 122,634 2,720 367 125,721 Total Assets $ 127,294 $ 64,147 $ 3,577 $ 195,018 Liabilities Other invested liabilities GMxB derivative features’ liability $ — $ — $ 4,294 $ 4,294 SCS, SIO, MSO and IUL indexed features’ liability — 2,458 — 2,458 Liabilities of consolidated VIEs/VOEs 1 3 — 4 Contingent payment arrangements — — 12 12 Total Liabilities $ 1 $ 2,461 $ 4,306 $ 6,768 ______________ (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans. Fair Value Measurements at December 31, 2017 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale: Corporate $ — $ 24,296 $ 1,150 $ 25,446 U.S. Treasury, government and agency — 18,508 — 18,508 States and political subdivisions — 449 40 489 Foreign governments — 419 — 419 Residential mortgage-backed (1) — 818 — 818 Asset-backed (2) — 208 541 749 Redeemable preferred stock 184 327 1 512 Total fixed maturities, available-for-sale $ 184 $ 45,025 $ 1,732 $ 46,941 Other equity investments $ 13 $ — $ 34 $ 47 Trading securities 485 13,647 38 14,170 Other invested assets: Short-term investments — 1,730 — 1,730 Assets of consolidated VIEs/VOEs 1,060 215 27 1,302 Swaps — 222 — 222 Credit Default Swaps — 33 — 33 Futures (2 ) — — (2 ) Foreign currency contract (3) — 5 — 5 Options — 1,999 — 1,999 Total other invested assets $ 1,058 $ 4,204 $ 27 $ 5,289 Cash equivalents 3,608 — — 3,608 Segregated securities — 825 — 825 GMIB reinsurance contract asset — — 1,894 1,894 Separate Accounts’ assets 121,000 2,997 349 124,346 Total Assets $ 126,348 $ 66,698 $ 4,074 $ 197,120 Liabilities Other invested liabilities GMxB derivative features’ liability $ — $ — $ 4,451 $ 4,451 SCS, SIO, MSO and IUL indexed features’ liability — 1,786 — 1,786 Liabilities of consolidated VIEs/VOEs 670 22 — 692 Contingent payment arrangements — — 15 15 Total Liabilities $ 670 $ 1,808 $ 4,466 $ 6,944 _______________ (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans. (3) Reported in Other assets in the consolidated balance sheets.	Assets and liabilities measured at fair value on a recurring basis are summarized below. At December 31, 2017 and 2016, no assets were required to be measured at fair value on a non-recurring non-recurring Fair Value Measurements at December 31, 2017 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale: Public Corporate $ — $ 17,906 $ 48 $ 17,954 Private Corporate — 6,390 1,102 7,492 U.S. Treasury, government and agency — 18,508 — 18,508 States and political subdivisions — 449 40 489 Foreign governments — 419 — 419 Commercial mortgage-backed — — — — Residential mortgage-backed (1) — 818 — 818 Asset-backed (2) — 208 541 749 Redeemable preferred stock 184 327 1 512 Subtotal 184 45,025 1,732 46,941 Other equity investments 13 — 34 47 Trading securities 485 13,647 38 14,170 Other invested assets Short-term investments — 1,730 — 1,730 Assets of consolidated VIEs/VOEs 1,060 215 27 1,302 Swaps — 222 — 222 Credit Default Swaps — 33 — 33 Futures (2 ) — — (2 ) Foreign currency contract (3) — 5 — 5 Options — 1,999 — 1,999 Subtotal 1,058 4,204 27 5,289 Cash equivalents 3,608 — — 3,608 Segregated securities — 825 — 825 GMIB reinsurance contracts asset — — 1,894 1,894 Separate Account assets 121,000 2,997 349 124,346 Total Assets $ 126,348 $ 66,698 $ 4,074 $ 197,120 Liabilities Other invested liabilities GMxB derivative features’ liability — — 4,451 4,451 SCS, SIO, MSO and IUL indexed features liability — 1,786 — 1,786 Liabilities of consolidated VIEs and VOEs 670 22 — 692 Contingent payment arrangements — — 15 15 Total Liabilities $ 670 $ 1,808 $ 4,466 $ 6,944 (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime (3) Reported in Other assets in the consolidated balance sheets. Fair Value Measurements at December 31, 2016 Level 1 Level 2 Level 3 Total (in millions) Assets Investments Fixed maturities, available-for-sale Public Corporate $ — $ 16,566 $ 29 $ 16,595 Private Corporate — 6,469 828 7,297 U.S. Treasury, government and agency — 14,836 — 14,836 States and political subdivisions — 461 42 503 Foreign governments — 400 — 400 Commercial mortgage-backed — 22 373 395 Residential mortgage-backed (1) — 1,005 — 1,005 Asset-backed (2) — 162 120 282 Redeemable preferred stock 227 338 1 566 Subtotal 227 40,259 1,393 41,879 Other equity investments 3 — 16 19 Trading securities 494 11,565 26 12,085 Other invested assets Short-term investments — 1,511 — 1,511 Assets of consolidated VIEs/VOEs 342 205 46 593 Swaps — (978 ) — (978 ) Credit Default Swaps — 5 — 5 Options — 1,016 — 1,016 Floors — 11 — 11 Subtotal 342 1,770 46 2,158 Cash equivalents 3,917 — — 3,917 Segregated securities — 946 — 946 GMIB reinsurance contracts asset — — 1,735 1,735 Separate Account assets 109,817 2,832 313 112,962 Total Assets $ 114,800 $ 57,372 $ 3,529 $ 175,701 Liabilities Other invested liabilities Foreign currency contracts $ — $ 81 $ — $ 81 GMxB derivative features liability — — 5,731 5,731 SCS, SIO, MSO and IUL indexed features’ liability — 940 — 940 Liabilities of consolidated VIEs and VOEs 248 2 — 250 Contingent payment arrangements — — 25 25 Total Liabilities $ 248 $ 1,023 $ 5,756 $ 7,027 (1) Includes publicly traded agency pass-through securities and collateralized obligations. (2) Includes credit-tranched securities collateralized by sub-prime
Schedule of Reconciliation for all Level 3 Assets and Liabilities		The table below presents a reconciliation for all Level 3 assets and liabilities at December 31, 2017, 2016 and 2015 respectively: Level 3 Instruments Fair Value Measurements Corporate State and Political Subdivisions Foreign Governments Commercial Mortgage- backed Residential Mortgage- backed Asset- backed (in millions) Balance, January 1, 2017 $ 857 $ 42 $ — $ 373 $ — $ 120 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 4 — — (2 ) — — Investment gains (losses), net 1 — — (95 ) — 15 Subtotal 5 — — (97 ) — 15 Other comprehensive income (loss) 4 (1 ) — 78 — (7 ) Purchases 615 — — — — 434 Sales (333 ) (1 ) — (354 ) — (21 ) Transfers into Level 3 (1) 7 — — — — — Transfers out of Level 3 (1) (5 ) — — — — — Balance, December 31, 2017 $ 1,150 $ 40 $ — $ — $ — $ 541 Balance, January 1, 2016 $ 430 $ 45 $ 1 $ 535 $ — $ 41 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net 2 — — (71 ) — — Subtotal 2 — — (71 ) — — Other comprehensive income (loss) 8 (2 ) — 14 — 1 Purchases 574 — — — — 96 Sales (144 ) (1 ) — (91 ) — (9 ) Transfers into Level 3 (1) 25 — — — — — Transfers out of Level 3 (1) (38 ) — (1 ) (14 ) — (9 ) Balance, December 31, 2016 $ 857 $ 42 $ — $ 373 $ — $ 120 Corporate State and Foreign Commercial Residential Asset- (in millions) Balance, January 1, 2015 $ 389 $ 47 $ — $ 752 $ 2 $ 54 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 2 — — 2 — — Investment gains (losses), net 2 — — (40 ) — — Subtotal 4 — — (38 ) — — Other comprehensive income (loss) (26 ) (1 ) — 72 — (4 ) Purchases 63 — 1 — — — Sales (39 ) (1 ) — (177 ) (2 ) (9 ) Transfers into Level 3 (1) 100 — — — — — Transfers out of Level 3 (1) (61 ) — — (74 ) — — Balance, December 31, 2015 $ 430 $ 45 $ 1 $ 535 $ — $ 41 Redeemable Other Equity Investments (2 ) GMIB Reinsurance Asset Separate Account Assets GMxB Contingent (in millions) Balance, January 1, 2017 $ 1 $ 88 $ 1,735 $ 313 $ (5,731 ) (25 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Investment gains (losses), net — — — 29 — — Net derivative gains (losses) — — 174 — 1,652 — Subtotal — — 174 29 1,652 — Other comprehensive income (loss) — 14 — — — — Purchases (2) — 22 48 13 (393 ) — Sales (3) — (3 ) (63 ) (2 ) 21 — Settlements (4) — — — (4 ) — 10 Activity related to VIEs/VOEs — (22 ) — — — — Transfers into Level 3 (1) — — — — — — Transfers out of Level 3 (1) — — — — — — Balance, December 31, 2017 $ 1 $ 99 $ 1,894 $ 349 $ (4,451 ) $ (15 ) Balance, January 1, 2016 $ — $ 81 $ 1,829 $ 313 $ (5,534 ) (31 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — — — 19 — — Net derivative gains (losses) — — (77 ) — 136 — Subtotal — — (77 ) 19 136 — Other comprehensive income(loss) — (1 ) — — — — Purchases (2) 1 4 48 10 (356 ) (18 ) Sales (3) — — (65 ) — 23 — Settlements (4) — — — — — — Activity related to consolidated VIEs/VOEs — 60 — (7 ) — 24 Transfers into Level 3 (1) — — — 1 — — Transfers out of Level 3 (1) — (56 ) — (23 ) — — Balance, December 31, 2016 $ 1 $ 88 $ 1,735 $ 313 $ (5,731 ) $ (25 ) Redeemable Other (2) GMIB Separate GMxB Contingent (in millions) Balance, January 1, 2015 $ — $ 87 $ 2,151 $ 260 $ (4,454 ) $ (42 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — 5 — 36 — — Net derivative gains (losses) — — (330 ) — (776 ) — Subtotal — 5 (330 ) 36 (776 ) — Other comprehensive income (loss) — 2 — — — — Purchases (2) — 7 49 26 (317 ) — Sales (3) — (20 ) (41 ) (2 ) 13 11 Settlements (4) — — — (5 ) — — Transfers into Level 3 (1) — — — — — — Transfers out of Level 3 (1) — — — (2 ) — — Balance, December 31, 2015 $ — $ 81 $ 1,829 $ 313 $ (5,534 ) $ (31 ) (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period (2) For the GMIB reinsurance contract asset, and GMxB derivative features liability, represents attributed fee. (3) For the GMIB reinsurance contract asset, represents recoveries from reinsurers and for GMxB derivative features liability represents benefits paid. (4) For contingent payment arrangements, it represents payments under the arrangement.
Schedule of Changes in Unrealized Gains (Losses)		The table below details changes in unrealized gains (losses) for 2017, 2016 and 2015 by category for Level 3 assets and liabilities still held at December 31, 2017, 2016 and 2015 respectively Earnings (Loss) Investment Net OCI (in millions) Held as of December 31, 2017 Change in unrealized gains (losses) Fixed maturities, available-for-sale $ — $ — $ 5 State and political subdivisions — — (1 ) Commercial mortgage-backed — — — Asset-backed — — 1 Subtotal $ — $ — $ 5 GMIB reinsurance contracts — 174 — Separate Account assets (1) 29 — — GMxB derivative features liability — 1,652 — Total $ 29 $ 1,826 $ 5 Held as of December 31, 2016 Change in unrealized gains (losses) Fixed maturities, available-for-sale $ — $ — $ 11 State and political subdivisions — — (2 ) Commercial mortgage-backed — — 10 Asset-backed — — 1 Subtotal $ — $ — $ 20 GMIB reinsurance contracts — (77 ) — Separate Account assets (1) 20 — — GMxB derivative features liability — 136 — Total $ 20 $ 59 $ 20 Earnings (Loss) Investment Net OCI (in millions) Held as of December 31, 2015 Change in unrealized gains (losses) Fixed maturities, available-for-sale $ — $ — $ (25 ) State and political subdivisions — — (2 ) Commercial mortgage-backed — — 68 Asset-backed — — (4 ) Subtotal $ — $ — $ 37 GMIB reinsurance contracts — (330 ) — Separate Account assets (1) 36 — — GMxB derivative features liability — (776 ) — Total $ 36 $ (1,106 ) $ 37 (1) There is an investment expense that offsets this investment gain (loss).
Schedule of Quantitative Information about Level 3 Fair Value Measurements		The following table discloses quantitative information about Level 3 fair value measurements by category for assets and liabilities as of December 31, 2017 and 2016, respectively. Quantitative Information about Level 3 Fair Value Measurements December 31, 2017 Fair Valuation Significant Range Weighted (in millions) Assets Investments Fixed maturities, available-for-sale Corporate $ 53 Matrix pricing model Spread over the industry- 0 - 565 bps 125 bps 789 Market comparable companies EBITDA multiples 5.3x - 27.9x 7.2% - 17.0% 9.0x - 17.7x 12.9x Other equity investments 38 Discounted cash flow Earnings Multiple 10.8x Separate Account assets 326 Third party appraisal Capitalization Rate 4.6% 5.6% 6.6% 1 Discounted cash flow Spread over U.S. Treasury curve 243 bps 4.409% GMIB reinsurance contract asset 1,894 Discounted cash flow Lapse Rates Non-performance Mortality Rates (1) Ages 0-40 Ages 41-60 Ages 60-115 1.0% - 6.3% 0.0% - 8.0% 0.0% -16.0% 5bps - 10bps 9.9% -30.9% 0.01% - 0.18% 0.07% - 0.54% 0.42% - 42.0% Liabilities: GMIBNLG 4,149 Discounted cash flow Non-performance Lapse Rates Withdrawal Rates Utilization Rates NLG Forfeiture Rates Long -term Equity Volatility Mortality Rates (1) Ages 0-40 Ages 41-60 Ages 60-115 1.0% 0.8% - 26.2% 0.0% - 12.4% 0.0% -16.0% 0.55% - 2.1% 20.0% 0.01% - 0.19% 0.06% - 0.53% 0.41% - 41.2% Assumed GMIB Reinsurance Contracts 194 Discounted cash flow Lapse Rates 0-85) Non-performance 1.1% - 13.3% 0.7% - 22.2% 1.3% - 100% 0 - 30% 1.3% 9.9% -30.9% GWBL/GMWB 130 Discounted cash flow Lapse Rates Utilization Rates 0.9% - 5.7% 0.0% - 7.0% 100% after delay 9.9% - 30.9% GIB (27 ) Discounted cash flow Lapse Rates Utilization Rates 0.9% - 5.7% 0.0% - 7.0% 0.0% - 16.0% 9.9% -30.9% GMAB 5 Discounted cash flow Lapse Rates 0.5% -11.0% 9.9% - 30.9% (1) Mortality rates vary by age and demographic characteristic such as gender. Mortality rate assumptions are based on a combination of company and industry experience. A mortality improvement assumption is also applied. For any given contract, mortality rates vary throughout the period over which cash flows are projected for purposes of valuating the embedded derivatives. Quantitative Information about Level 3 Fair Value Measurements December 31, 2016 Fair Valuation Technique Significant Range Weighted (in millions) Assets Investments Fixed maturities, available-for-sale Corporate $ 55 Matrix pricing model Spread over the industry- specific benchmark yield curve 0 - 565 bps 151 bps 636 Market comparable companies EBITDA multiples 4.3x - 25.6x 14.0x - 16.5x 11.7x 11.4% 15.6x Asset-backed 2 Matrix pricing model Spread over U.S. Treasury curve 25 bps - 687 bps 38 bps Other equity investments 26 Discounted Cash Flow Earnings Multiple 10.8x 10.0% 12 Separate Account assets 295 Third party appraisal Capitalization Rate 4.8% 5.7% 6.6% 3 Discounted cash flow Spread over U.S. Treasury curve 273 bps - 512 bps 1.1% - 7.0% 283 bps 4.3% GMIB reinsurance contract asset 1,735 Discounted cash flow Lapse Rates Non-performance 1.5% - 5.7% 0.0% - 8.0% 0.0% - 16.0% 5 bps - 17 bps 11.0% - 38.0% Liabilities GMIBNLG 5,309 Discounted cash flow Non-performance Lapse Rates NLG Forfeiture Rates Long-term Equity Volatility 1.1% 1.2% - 26.20% 0.0% - 11.5% 0.0% - 16.0% 0.55% - 2.1% 20.0% Assumed GMIB Reinsurance Contracts 258 Discounted cash flow Lapse Rates 0-85) Non-performance 0.7% - 14.6% 0.7% - 22.7% 1.3% - 100.0% 0.0% - 27.3% 1.8% 9.0% - 35.0% GWBL/GMWB 114 Discounted cash flow Lapse Rates Withdrawal Rates Utilization Rates Volatility rates - Equity 1.0% - 5.7% 0.0% - 7.0% 100% after delay 9.0% - 35.0% GIB 30 Discounted cash flow Withdrawal Rates Utilization Rates 1.0% - 5.7% 0.0% - 8.0% 0.0% - 16.0% 9.0% - 35.0% GMAB 20 Discounted cash flow Lapse Rates 1.0% - 11.0% 9.0% - 35.0%
Schedule of Carrying Value Levels		Carrying Fair Value Level 1 Level 2 Level 3 Total (in millions) December 31, 2017: Mortgage loans on real estate $ 10,952 $ — $ — $ 10,912 $ 10,912 Loans to affiliates 1,230 — 1,230 — 1,230 Policyholders liabilities: Investment contracts 2,224 — — 2,329 2,329 FHLBNY funding agreements 3,014 — 3,020 — 3,020 Short term and long-term debt 2,408 — 2,500 — 2,500 Loans from affiliates 3,622 — 3,622 — 3,622 Policy loans 3,819 — — 4,754 4,754 Separate Account liabilities 7,537 — — 7,537 7,537 December 31, 2016: Mortgage loans on real estate $ 9,774 $ — $ — $ 9,624 $ 9,624 Loans to affiliates 1,246 — 1,361 — 1,361 Policyholders liabilities: Investment contracts 2,398 — — 2,510 2,510 FHLBNY funding agreements 2,255 — 2,202 — 2,202 Short term and long-term debt 1,605 — 1,716 — 1,716 Loans from affiliates 2,904 — 3,031 — 3,031 Policy loans 3,855 — — 4,742 4,742 Separate Account liabilities 6,194 — — 6,194 6,194
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation	The tables below presents a reconciliation for all Level 3 assets and liabilities for the three and nine months ended September 30, 2018 and 2017 , respectively: Level 3 Instruments - Fair Value Measurements Corporate State and Political Sub- divisions Commercial Mortgage- backed Asset- backed (in millions) Balance, July 1, 2018 $ 1,160 $ 38 $ — $ 538 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 3 — — — Investment gains (losses), net (4 ) — — — Subtotal (1 ) — — — Other comprehensive income (loss) (1 ) — — (1 ) Purchases 37 — — — Sales (53 ) — — — Settlements — — — — Transfers into Level 3 (1) — 1 — — Transfers out of Level 3 (1) — — — — Balance, September 30, 2018 $ 1,142 $ 39 $ — $ 537 Balance, July 1, 2017 $ 1,089 $ 42 $ 501 $ 513 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 2 — — — Investment gains (losses), net — — (49 ) — Subtotal 2 — (49 ) — Other comprehensive income (loss) 7 — 28 (1 ) Purchases 198 — (196 ) (1 ) Sales (121 ) — (25 ) (1 ) Transfers into Level 3 (1) (7 ) — — — Transfers out of Level 3 (1) — — (2 ) — Balance, September 30, 2017 $ 1,168 $ 42 $ 257 $ 510 ______________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. Corporate State and Commercial Asset- (in millions) Balance, January 1, 2018 $ 1,150 $ 40 $ — $ 541 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 7 — — — Investment gains (losses), net (3 ) — — — Subtotal 4 — — — Other comprehensive income (loss) (15 ) (1 ) — (2 ) Purchases 237 — — — Sales (271 ) (1 ) — (2 ) Settlements — — — — Transfers into Level 3 (1) 65 1 — — Transfers out of Level 3 (1) (28 ) — — — Balance, September 30, 2018 $ 1,142 $ 39 $ — $ 537 Balance, January 1, 2017 $ 857 $ 42 $ 373 $ 120 Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) 6 — 1 — Investment gains (losses), net (1 ) — (68 ) 15 Subtotal 5 — (67 ) 15 Other comprehensive income (loss) — — 47 (8 ) Purchases 531 — — 404 Sales (226 ) — (94 ) (20 ) Transfers into Level 3 (1) 6 — — — Transfers out of Level 3 (1) (5 ) — (2 ) (1 ) Balance, September 30, 2017 $ 1,168 $ 42 $ 257 $ 510 ______________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. Redeemable Preferred Stock Other Equity Investments (2) GMIB Reinsurance Contract Asset Separate Accounts Assets GMxB derivative features liability Contingent Payment Arrangement (in millions) Balance, July 1, 2018 $ — $ 111 $ 1,636 $ 361 $ (3,692 ) $ (13 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — — — 6 — — Net derivative gains (losses), excluding non-performance risk — — (269 ) — (188 ) — Non-performance risk (5) — — 7 (323 ) — Subtotal — — (262 ) 6 (511 ) — Other comprehensive income (loss) — (6 ) — — — — Purchases (2) — 14 12 1 (99 ) — Sales (3) — (1 ) (11 ) — 8 — Settlements (4) — — — (1 ) — 1 Activity related to consolidated VIEs — (1 ) — — — — Transfers into Level 3 (1) — — — — — — Transfers out of Level 3 (1) — — — — — — Balance, September 30, 2018 $ — $ 117 $ 1,375 $ 367 $ (4,294 ) $ (12 ) Balance, July 1, 2017 $ 1 $ 61 $ 2,091 $ 334 (5,122 ) $ (24 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — (8 ) — — — — Investment gains (losses), net — — — 4 — — Net derivative gains (losses), excluding non-performance risk — — (78 ) — 476 — Non-performance risk (5) — — (3 ) (63 ) — Subtotal — (8 ) (81 ) 4 413 — Other comprehensive income (loss) — 2 — — — — Purchases (2) — 6 12 1 (105 ) — Sales (3) — (3 ) (11 ) — 6 — Settlements (4) — — — (1 ) — 5 Activity related to consolidated VIEs — — — — — — Transfers into Level 3 (1) — 1 — 1 — — Transfers out of Level 3 (1) — — — — — — Balance, September 30, 2017 $ 1 $ 59 $ 2,011 $ 338 (4,807 ) $ (19 ) ______________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. (2) For the GMIB reinsurance contract asset and the GMxB derivative features liability, represents attributed fee. (3) For the GMIB reinsurance contract asset, represents recoveries from reinsurers and for the GMxB derivative features liability, represents benefits paid. (4) For contingent payment arrangements, represents payments under the arrangement. (5) The Company’s non-performance risk is recorded through Net derivative gains (losses). Redeemable Other (2) GMIB Separate GMxB Derivative Features Liability Contingent (in millions) Balance, January 1, 2018 $ 1 $ 99 $ 1,894 $ 349 $ (4,451 ) $ (15 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — (1 ) — 19 — — Net derivative gains (losses), excluding non-performance risk — — (524 ) — 657 — Non-performance risk (5) — — 2 — (205 ) — Subtotal — (1 ) (522 ) 19 452 — Other comprehensive income (loss) — — — — — — Purchases (2) — 24 34 4 (313 ) — Sales (3) (1 ) (3 ) (31 ) (1 ) 18 — Settlements (4) — — — (4 ) — 3 Activity related to consolidated VIEs — (3 ) — — — — Transfers into Level 3 (1) — 6 — — — — Transfers out of Level 3 (1) — (5 ) — — — — Balance, September 30, 2018 $ — $ 117 $ 1,375 $ 367 $ (4,294 ) $ (12 ) Balance, January 1, 2017 $ 1 $ 48 $ 1,735 $ 313 $ (5,731 ) $ (25 ) Total gains (losses), realized and unrealized, included in: Income (loss) as: Net investment income (loss) — — — — — — Investment gains (losses), net — (4 ) — 22 — — Net derivative gains (losses), excluding non-performance risk — — 287 — 1,288 — Non-performance risk (5) — — (1 ) — (77 ) — Subtotal — (4 ) 286 22 1,211 — Other comprehensive income (loss) — 4 — — — — Purchases (2) — 20 36 7 (303 ) — Sales (3) — (3 ) (46 ) (1 ) 16 — Settlements (4) — — — (4 ) — 6 Activity related to consolidated VIEs — (7 ) — — — — Transfers into Level 3 (1) — 1 — 1 — — Transfers out of Level 3 (1) — — — — — — Balance, September 30, 2017 1 59 2,011 338 (4,807 ) (19 ) ______________________ (1) Transfers into/out of Level 3 classification are reflected at beginning-of-period fair values. (2) For the GMIB reinsurance contract asset and the GMxB derivative features liability, represents attributed fee. (3) For the GMIB reinsurance contract asset, represents recoveries from reinsurers and for the GMxB derivative features liability, represents benefits paid. (4) For contingent payment arrangements, represents payments under the arrangement.
Fair Value Assets Unrealized Gains Losses By Category For Level 3 Assets And Liabilities Still Held	The tables below details changes in unrealized gains (losses) for the nine months ended September 30, 2018 and 2017 by category for Level 3 assets and liabilities still held at September 30, 2018 and 2017 , respectively. Level 3 Instruments Income (Loss) Investment Gains (Losses), Net Net Derivative Gains (losses) OCI (in millions) Level 3 Instruments Nine Months Ended September 30, 2018 Held at September 30, 2018: Change in unrealized gains (losses): Fixed maturities, available-for-sale: Corporate $ — $ — $ (15 ) State and political subdivisions — — (1 ) Subtotal — — (16 ) GMIB reinsurance contracts — (524 ) — Separate Accounts assets (1) 19 — — GMxB derivative features' liability — 657 — Total $ 19 $ 134 $ (16 ) _________________ (1) There is an investment expense that offsets this investment gain (loss). Income (Loss) Investment Gains (Losses), Net Net Derivative Gains (losses) OCI (in millions) Level 3 Instruments Nine Months Ended September 30, 2017 Held at September 30, 2017: Change in unrealized gains (losses): Fixed maturities, available-for-sale: Commercial mortgage-backed $ — $ — $ 24 State and political subdivisions — — 1 Asset-backed — — 2 Subtotal — — 27 GMIB reinsurance contracts — 287 — Separate Accounts assets (1) 22 — — GMxB derivative features liability — 1,288 — Total $ 22 $ 1,575 $ 27 _________________ (1) There is an investment expense that offsets this investment gain (loss).
Fair Value Inputs Quantitative Information	The following tables disclose quantitative information about Level 3 fair value measurements by category for assets and liabilities as of September 30, 2018 and December 31, 2017 , respectively. Quantitative Information about Level 3 Fair Value Measurements at September 30, 2018 Fair Valuation Significant Range Weighted Average (in millions) Assets: Investments: Fixed maturities, available-for-sale: Corporate $ 39 Matrix pricing model Spread over the industry-specific benchmark yield curve 50 - 565 bps 194 bps 755 Market EBITDA multiples 4.2x - 37.3x 7.2% - 16.5% 9.0x - 17.7x 13.8x 11.1% 13.1x Other equity investments 36 Discounted cash flow Earnings Multiple 10.8x 10.8x Separate Accounts’ assets 345 Third party appraisal Capitalization Rate 4.4% 1 Discounted cash flow Spread over U.S. Treasury curve 228 bps GMIB reinsurance contract asset 1,375 Discounted cash flow Lapse Rates (1) : 1.0% - 6.3% 0.01% - 0.18% 0.07% - 0.54% 0.42% - 42.0% Liabilities: GMIBNLG 4,163 Discounted cash flow Lapse Rates Withdrawal Rates Utilization Rates Non-performance risk NLG Forfeiture Rates Long-term equity Volatility Mortality Rates (1) : Ages 0-40 Ages 41-60 Ages 60-115 0.8% - 26.2% 0.0% - 12.4% 0.0% - 100.0% 0.0% - 1.4% 0.8% - 1.2% 20.0% 0.01% - 0.19% 0.06% - 0.53% 0.41% - 41.2% Assumed GMIB Reinsurance Contracts 137 Discounted cash flow Lapse Rates 0.7% - 13.4% GWBL/GMWB 77 Discounted cash flow Lapse Rates 0.5% - 5.7% GIB (84 ) Discounted cash flow Lapse Rates 0.5% - 5.7% GMAB 1 Discounted cash flow Lapse Rates 0.5% - 11.0% (1) Mortality rates vary by age and demographic characteristic such as gender. Mortality rate assumptions are based on a combination of company and industry experience. A mortality improvement assumption is also applied. For any given contract, mortality rates vary throughout the period over which cash flows are projected for purposes of valuating the embedded derivatives. Quantitative Information about Level 3 Fair Value Measurements at December 31, 2017 Fair Valuation Significant Range Weighted Average (in millions) Assets: Investments: Fixed maturities, available-for-sale: Corporate $ 53 Matrix pricing model Spread over the industry-specific benchmark yield curve 0 bps-565 bps 125 bps 789 Market comparable companies EBITDA multiples 5.3x - 27.9x 7.2% - 17.0% 9.0x - 17.7x 12.9x Other equity investments 38 Discounted cash flow Earnings Multiple 10.8x Separate Accounts’ assets 326 Third party appraisal Capitalization Rate 4.6% 1 Discounted cash flow Spread over U.S. Treasury curve 243 bps GMIB reinsurance contract asset 1,894 Discounted Cash flow Lapse Rates Mortality Rates (1) : Ages 0-40 Ages 41-60 Ages 60-115 1.0% - 6.3% 0.01% - 0.18% 0.07% - 0.54% 0.42% - 42.0% Fair Valuation Significant Range Weighted Average (in millions) Liabilities: GMIBNLG 4,149 Discounted cash flow Non-performance risk Mortality Rates (1) : Ages 0-40 Ages 41-60 Ages 60-115 1.0% 0.01% - 0.19% 0.06% - 0.53% 0.41% - 41.2% Assumed GMIB Reinsurance Contracts 194 Discounted cash flow Lapse Rates Withdrawal Rates (Age 0-85) 1.1% - 13.3% GWBL/GMWB 130 Discounted cash flow Lapse Rates 0.9% - 5.7% GIB (27 ) Discounted cash flow Lapse Rates 0.9% - 5.7% GMAB 5 Discounted cash flow Lapse Rates 0.5% - 11.0% (1) Mortality rates vary by age and demographic characteristic such as gender. Mortality rate assumptions are based on a combination of company and industry experience. A mortality improvement assumption is also applied. For any given contract, mortality rates vary throughout the period over which cash flows are projected for purposes of valuating the embedded derivatives.
Fair Value Disclosure Financial Instruments Not Carried At Fair Value	The carrying values and fair values at September 30, 2018 and December 31, 2017 for financial instruments not otherwise disclosed in Note 3 are presented in the table below. Certain financial instruments are exempt from the requirements for fair value disclosure, such as insurance liabilities other than financial guarantees and investment contracts, limited partnerships accounted for under the equity method and pension and other postretirement obligations. Carrying Value Fair Value Level 1 Level 2 Level 3 Total (in millions) September 30, 2018: Mortgage loans on real estate $ 12,070 $ — $ — $ 11,675 $ 11,675 Policyholders’ liabilities: Investment contracts 2,180 — — 2,212 2,212 FHLBNY Funding Agreements 3,012 — 2,926 — 2,926 Short term and long-term debt 4,806 — 4,701 — 4,701 Policy loans 3,739 — — 4,192 4,192 Separate Accounts liabilities 8,231 — — 8,231 8,231 December 31, 2017: Mortgage loans on real estate $ 10,952 $ — $ — $ 10,912 $ 10,912 Loans to affiliates 1,230 — 1,230 — 1,230 Policyholders’ liabilities: Investment contracts 2,224 — — 2,329 2,329 FHLBNY Funding Agreements 3,014 — 3,020 — 3,020 Short term and long-term debt 2,408 — 2,500 — 2,500 Loans from affiliates 3,622 — 3,622 — 3,622 Policy loans 3,819 — — 4,754 4,754 Separate Accounts liabilities 7,537 — — 7,537 7,537

Insurance Liabilities (Tables)

Insurance Liabilities (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Insurance [Abstract]
GMDB and GMIB Liabilities and Other Policyholder's Liabilities	The following table summarizes the direct GMDB and GMIB without a n o-lapse guarantee rider (“ NLG”) feature liabilities, before reinsurance ceded, reflected in the consolidated balance sheets in Future policy benefits and other policyholders’ liabilities: GMDB GMIB Total (in millions) Balance at January 1, 2018 $ 4,059 $ 4,752 $ 8,811 Paid guarantee benefits (291 ) (108 ) (399 ) Other changes in reserve 755 (1,038 ) (283 ) Balance at September 30, 2018 $ 4,523 $ 3,606 $ 8,129 Balance at January 1, 2017 $ 3,164 $ 3,809 $ 6,973 Paid guarantee benefits (272 ) (102 ) (374 ) Other changes in reserve 1,070 747 1,817 Balance at September 30, 2017 $ 3,962 $ 4,454 $ 8,416	The following table summarizes the direct GMDB and GMIB with no NLG features liabilities, before reinsurance ceded, reflected in the consolidated balance sheets in future policy benefits and other policyholders’ liabilities: GMDB GMIB Total (in millions) Balance at January 1, 2015 $ 1,721 4,593 $ 6,314 Paid guarantee benefits (313 ) (90 ) (403 ) Other changes in reserve 1,561 (661 ) 900 Balance at December 31, 2015 2,969 3,842 6,811 Paid guarantee benefits (357 ) (281 ) (638 ) Other changes in reserve 552 241 793 Balance at December 31, 2016 3,164 3,802 6,966 Paid guarantee benefits (354 ) (151 ) (505 ) Other changes in reserve 1,249 1,101 2,350 Balance at December 31, 2017 $ 4,059 $ 4,752 $ 8,811
GMDB Reinsurance Ceded	The following table summarizes the ceded GMDB liabilities, reflected in the consolidated balance sheets in Amounts due from reinsurers: Nine Months Ended 2018 2017 (in millions) Balance, beginning of year $ 108 $ 85 Paid guarantee benefits (13 ) (11 ) Other changes in reserve 14 30 Balance, end of period $ 109 $ 104	The following table summarizes the ceded GMDB liabilities, reflected in the consolidated balance sheets in amounts due from reinsurers: GMDB (in millions) Balance at January 1, 2015 $ 68 Paid guarantee benefits (18 ) Other changes in reserve 48 Balance at December 31, 2015 98 Paid guarantee benefits (15 ) Other changes in reserve 7 Balance at December 31, 2016 90 Paid guarantee benefits (14 ) Other changes in reserve 32 Balance at December 31, 2017 $ 108
GMDB Reinsurance Assumed	The following table summarizes the assumed GMDB liabilities, reflected in the consolidated balance sheets in Future policy benefits and other policyholders’ liabilities: Nine Months Ended 2018 2017 (in millions) Balance, beginning of year $ 95 $ 121 Paid guarantee benefits (18 ) (16 ) Premiums 16 18 Other changes in reserve (10 ) (34 ) Balance, end of Period $ 83 $ 89	The following table summarizes the assumed GMDB liabilities, reflected in the consolidated balance sheets in future policy benefits and other policyholders’ liabilities: GMDB (in millions) Balance at January 1, 2015 $ 121 Paid guarantee benefits (32 ) Other changes in reserve 46 Balance at December 31, 2015 135 Paid guarantee benefits (33 ) Other changes in reserve 19 Balance at December 31, 2016 121 Paid guarantee benefits (21 ) Other changes in reserve (5 ) Balance at December 31, 2017 $ 95
Derivative Instruments in Hedges, Liabilities, at Fair Value		The liability for the GMxB derivative features liability, the liability for SCS, SIO, MSO and IUL indexed features and the GMIB reinsurance contracts are considered embedded or freestanding insurance derivatives and are reported at fair value. Summarized in the table below is a summary of the fair value of these liabilities at December 31, 2017 and 2016: December 31, 2017 2016 (in millions) GMIBNLG (1) $ 4,149 $ 5,309 SCS, SIO, MSO, IUL features (2) 1,786 940 Assumed GMIB reinsurance Contracts (1) 194 258 GWBL/GMWB (1) 130 114 GIB (1) (27 ) 30 GMAB (1) 5 20 Total Embedded and Freestanding derivative liability $ 6,237 $ 6,671 GMIB reinsurance contract asset (3) $ 1,894 $ 1,735 (1) Reported in future policyholders’ benefits and other policyholders’ liabilities in the consolidated balance sheets. (2) Reported in policyholders’ account balances in the consolidated balance sheets. (3) Reported in GMIB reinsurance contract asset, at fair value in the consolidated balance sheets.
Variable Annuity Contracts with GMDB and GMIB Features	The September 30, 2018 values for direct variable annuity contracts in-force on such date with GMDB and GMIB features are presented in the following table. For contracts with the GMDB feature, the net amount at risk in the event of death is the amount by which the GMDB exceed related account values. For contracts with the GMIB feature, the net amount at risk in the event of annuitization is the amount by which the present value of the GMIB benefits exceeds related account values, taking into account the relationship between current annuity purchase rates and the GMIB guaranteed annuity purchase rates. Since variable annuity contracts with GMDB guarantees may also offer GMIB guarantees in the same contract, the GMDB and GMIB amounts listed are not mutually exclusive: Direct Variable Annuity Contract Values September 30, 2018 Return of Premium Ratchet Roll-Up Combo Total (Dollars in millions) GMDB: Account values invested in: General Account $ 14,046 $ 102 $ 62 $ 188 $ 14,398 Separate Accounts $ 47,293 $ 9,522 $ 3,418 $ 35,066 $ 95,299 Net amount at risk, gross $ 162 $ 53 $ 1,892 $ 16,098 $ 18,205 Net amount at risk, net of amounts reinsured $ 162 $ 50 $ 1,305 $ 16,098 $ 17,615 Average attained age of policyholders 51.6 66.8 73.4 68.8 55.5 Percentage of policyholders over age 70 9.9 % 42.2 % 64.9 % 49.1 % 18.7 % Range of contractually specified interest rates N/A N/A 3% - 6% 3% - 6.5% 3% - 6.5% GMIB: Account values invested in: General Account N/A N/A $ 21 $ 273 $ 294 Separate Accounts N/A N/A $ 21,549 $ 39,730 $ 61,279 Net amount at risk, gross N/A N/A $ 753 $ 5,793 $ 6,546 Net amount at risk, net of amounts reinsured N/A N/A $ 236 $ 5,272 $ 5,508 Average attained age of policyholders N/A N/A 70.5 69.1 69.2 Weighted average years remaining until annuitization N/A N/A 1.6 0.6 0.6 Range of contractually specified interest rates N/A N/A 3% - 6% 3% - 6.5% 3% - 6.5% The September 30, 2018 values for assumed variable annuity contracts in force on such date with GMDB and GMIB features are presented in the following table: Assumed Variable Annuity Contract Values September 30, 2018 Return of Premium Ratchet Roll-Up Combo Total (Dollars in millions) GMDB: Reinsured account values $ 1,008 $ 5,763 $ 294 $ 1,847 $ 8,912 Net amount at risk assumed $ 6 $ 270 $ 21 $ 265 $ 562 Average attained age of policyholders 67.0 71.9 76.8 75.1 72.2 Percentage of policyholders over age 70 42.0 % 61.3 % 77.5 % 74.6 % 62.4 % Range of contractually specified interest rates N/A N/A 3%-10% 5%-10% 3%-10% GMIB: Reinsured account values $ 967 $ 50 $ 266 $ 1,314 $ 2,597 Net amount at risk assumed $ 1 $ — $ 33 $ 183 $ 217 Average attained age of policyholders 71.3 73.8 71.4 68.5 70.0 Percentage of policyholders over age 70 62.2 % 64.3 % 57.4 % 48.8 % 55.0 % Range of contractually specified interest rates (1) N/A N/A 3.3%-6.5% 6%-6% 3.3%-6.5% ____________________ (1) In general, for policies with the highest contractual interest rate shown ( 10% ), the rate applied only for the first 10 years after issue, which have now elapsed.	The December 31, 2017 values for direct variable annuity contracts in force on such date with GMDB and GMIB features are presented in the following table. For contracts with the GMDB feature, the net amount at risk in the event of death is the amount by which the GMDB exceed related account values. For contracts with the GMIB feature, the net amount at risk in the event of annuitization is the amount by which the present value of the GMIB benefits exceeds related account values, taking into account the relationship between current annuity purchase rates and the GMIB guaranteed annuity purchase rates. Since variable annuity contracts with GMDB guarantees may also offer GMIB guarantees in the same contract, the GMDB and GMIB amounts listed are not mutually exclusive: Return of Ratchet Roll-Up Combo Total (in millions; except age and interest rate) GMDB Account values invested in: General Account $ 13,821 $ 109 $ 65 $ 200 $ 14,195 Separate Accounts $ 45,815 $ 9,556 $ 3,515 $ 35,784 $ 94,670 Net amount at risk, gross $ 169 $ 57 $ 1,961 $ 15,340 $ 17,527 Net amount at risk, net of amounts reinsured $ 169 $ 53 $ 1,344 $ 15,340 $ 16,906 Average attained age of policyholders 51.3 66.4 73 68.3 55.2 Percentage of policyholders over age 70 9.6 % 40.2 % 63.1 % 46.5 % 18.1 % Range of contractually specified interest rates N.A. N.A. 3% - 6 % 3% - 6.5 % 3% - 6.5 % GMIB Account values invested in: General Account N.A. N.A. $ 23 $ 293 $ 316 Separate Accounts N.A. N.A. $ 21,195 $ 41,091 $ 62,286 Net amount at risk, gross N.A. N.A. $ 918 $ 6,337 $ 7,255 Net amount at risk, net of amounts reinsured N.A. N.A. $ 287 $ 5,749 $ 6,036 Weighted average years remaining until annuitization N.A. N.A. 1.7 0.8 0.9 Range of contractually specified interest rates N.A. N.A. 3% - 6 % 3% - 6.5 % 3% - 6.5 % The December 31, 2017 values for assumed variable annuity contracts in force on such date with GMDB and GMIB features are presented in the following table: Return of Ratchet Roll-Up Combo Total (in millions, except age and interest rates) GMDB Reinsured Account values $ 1,071 $ 6,102 $ 318 $ 1,968 $ 9,459 Net amount at risk assumed $ 7 $ 291 $ 24 $ 315 $ 637 Average attained age of policyholders 66.8 71.8 76.8 75 72.1 Percentage of policyholders over age 70 40.4 % 60.7 % 76.4 % 73.7 % 61.6 % Range of contractually specified interest rates N/A N/A 3%-10 % 5%-10 % 3%-10 % GMIB Reinsured Account values $ 1,022 $ 55 $ 289 $ 1,390 $ 2,756 Net amount at risk assumed $ 2 $ — $ 38 $ 241 $ 281 Average attained age of policyholders 71.2 73.4 71 68.2 69.7 Percentage of policyholders over age 70 61.6 % 61.9 % 55.5 % 47.7 % 54.0 % Range of contractually specified interest rates (1) N/A N/A 3.3%-6.5 % 6%-6 % 3.3%-6.5 % (1) In general, for policies with the highest contractual interest rate shown (10%), the rate applied only for the first 10 years after issue, which have now elapsed.
Investment in Variable Insurance Trust Mutual Funds	Investment in Separate Account Investment Options September 30, December 31, (in millions) GMDB: Equity $ 42,675 $ 41,658 Fixed income 5,274 5,469 Balanced 46,504 46,577 Other 846 968 Total $ 95,299 $ 94,672 September 30, December 31, (in millions) GMIB: Equity $ 19,512 $ 19,928 Fixed income 2,924 3,150 Balanced 38,540 38,890 Other 303 318 Total $ 61,279 $ 62,286	Investment in Variable Insurance Trust Mutual Funds December 31, 2017 2016 (in millions) GMDB Equity $ 41,658 $ 36,891 Fixed income 5,469 5,545 Balanced 46,577 43,562 Other 968 892 Total $ 94,672 $ 86,890 GMIB Equity $ 19,928 $ 18,262 Fixed income 3,150 3,298 Balanced 38,890 35,931 Other 318 358 Total $ 62,286 $ 57,849
GMDB, GMIB, GWBL and No Lapse Guarantee Features	The following table summarizes the NLG liabilities reflected in the General Account in Future policy benefits and other policyholders’ liabilities: Direct Liability (1) (in millions) Balance at January 1, 2018 $ 709 Paid Guaranteed Benefits (13 ) Other changes in reserves 80 Balance at September 30, 2018 $ 776 Balance at January 1, 2017 $ 1,294 Other changes in reserves 107 Balance at September 30, 2017 $ 1,401 ____________________ (1) There were no amounts of reinsurance ceded in any period presented.	The following table summarizes the NLG liabilities, reflected in the General Account in Future policy benefits and other policyholders’ liabilities, the related reinsurance reserve ceded, reflected in Amounts due from reinsurers and deferred cost of reinsurance, reflected in Other assets in the Consolidated balance sheets: Direct (1) (in millions) Balance at January 1, 2015 $ 1,073 Other changes in reserves 174 Balance at December 31, 2015 1,247 Other changes in reserves 64 Balance at December 31, 2016 1,311 Paid guarantee benefits (24 ) Other changes in reserves (578 ) Balance at December 31, 2017 $ 709 (1) There were no amounts of reinsurance ceded in any period presented.

REINSURANCE AGREEMENTS (Tables)

REINSURANCE AGREEMENTS (Tables)	12 Months Ended
	Dec. 31, 2017
Insurance [Abstract]
Effect of reinsurance	The following table summarizes the effect of reinsurance: Year ended December 31, 2017 2016 2015 (in millions) Direct premiums $ 1,038 $ 998 $ 982 Reinsurance assumed 225 231 234 Reinsurance ceded (139 ) (146 ) (146 ) Net Premiums $ 1,124 $ 1,083 $ 1,070 Policy charges and fee income ceded $ 381 $ 393 $ 378 Policyholders’ benefits ceded $ 657 $ 871 $ 695 Interest credited to policyholders’ account balances ceded $ 46 $ 51 $ 62

SHORT-TERM AND LONG TERM DEBT (

SHORT-TERM AND LONG TERM DEBT (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Short-term and Long-term Debt	Short-term and long-term debt outstanding as of September 30, 2018 and December 31, 2017 included: September 30, 2018 December 31, 2017 (in millions) Short-term debt: AB commercial paper (with interest rates of 2.2% and 1.6%) $ 398 $ 491 AB revolving credit facility (with interest rate of 2.4%) — 75 AXA Financial commercial paper (with interest rates of 0% and 1.6%) — 1,290 Total short-term debt 398 1,856 Long-term debt: Senior Notes (5.00%, due 2048) 1,480 — Senior Notes (4.35%, due 2028) 1,486 — Senior Notes (3.90%, due 2023) 793 — Delayed Draw Term Loan (3 month LIBOR + 1.125%, due 2021) 300 — AXA Financial Senior Debentures, 7.0%, due 2028 349 349 AXA Equitable non-recourse mortgage debt (with interest rates of 4.1%) — 82 AXA Equitable non-recourse mortgage debt (with interest rates of 3.9%) — 121 Total long-term debt 4,408 552 Total short-term and long-term debt $ 4,806 $ 2,408	Short-term and long term debt consists of the following: December 31, 2017 2016 (in millions) Short-term debt: AB revolving credit facility (with interest rate of 2.4%) $ 75 $ — AB commercial paper (with interest rates of 1.6% and 0.9%) 491 513 AXA Financial commercial paper (with interest rates of 1.6% and 1.5%) 1,290 743 Total short-term debt $ 1,856 $ 1,256 Long-term debt: AXA Financial Senior Debentures, 7.0%, due 2028 349 349 AXA Equitable non-recourse 82 — AXA Equitable non-recourse 121 — Total Short-term and Long-term debt $ 2,408 $ 1,605
Schedule of Line of Credit Facilities		Credit facilities available to the Company consist of following: Date Available to Facilities Start Maturity Total Revolver Swingline (In Millions) Bilateral Facilities: JP Morgan 5/7/2014 5/7/2019 $ 400 $ 250 $ 250 Citibank 12/18/2015 12/18/2020 $ 300 $ 300 $ 300 BAML 7/28/2016 7/28/2021 $ 450 $ 300 $ 300 Syndicated Facilities: Club Deal (HSBC as Agent) 12/12/2014 12/11/2020 € 1,570 € 1,570 $ 1,000 Club Deal (Citibank as Agent) 6/26/2015 6/26/2021 $ 1,295 $ 250 $ 250 AB Revolver 11/29/2017 11/28/2018 $ 200 $ 200 $ — AB Credit Facility 10/22/2014 10/22/2019 $ 1,000 $ 1,000 $ 240 Affiliated Facilities: AXA S.A. 11/18/2016 11/18/2019 $ 1,500 $ 1,500 $ —

RELATED PARTY TRANSACTIONS (Tab

RELATED PARTY TRANSACTIONS (Tables)	12 Months Ended
	Dec. 31, 2017
Summary of Transactions with Affiliated Companies	unsecured loan to PT AXA Technology Services Asia Indonesia was transferred from AXA Tech to AXA US Holdings, Inc. At December 31, 2017 2016 (in millions) Loans from Affiliates: AXA S.A. term loan, 3 month LIBOR +1.06%, due 2024 $ 1,007 $ 1,007 AXA Japan Subordinated Notes, floating rate of LIBOR +1.20%, due 2020 770 770 AXA Belgium €300 million EURIBOR +0.06%, due 2018 391 391 AXA S.A. loan, LIBOR + 1.44%, due 2022 366 366 Coliseum Reinsurance Company, 4.75%, due 2028 387 387 AXA America Corporate Solutions, Inc., 1.85%, due 2018 110 56 Foreign Exchange impact of AXA Belgium loan (31 ) (73 ) AXA S.A. loan, LIBOR + 0.439%, due 2018 622 — Total Loans From Affiliates $ 3,622 $ 2,904
Schedule of Other Nonoperating Income (Expense)	The table below summarizes the expenses reimbursed to/from the Company and the fees received/paid by the Company in connection with agreements with AXA Affiliates described above for 2017, 2016 and 2015. Years ended December 31, 2017 2016 2015 (in millions) Expenses paid or accrued for General services provided by AXA Affiliates $ 141 $ 118 $ 96 Investment management services provided by AXA IM, AXA REIM, and AXA Rosenberg 5 15 2 Investment management services provided by AXA Strategic Ventures Corporation (“ASV Corp”) 2 2 — Guarantees and credit facility 9 12 12 Total $ 157 $ 147 $ 110 Revenue received or accrued for Investment management and administrative services provided to EQAT, VIP Trust, 1290 Funds and Other AXA Trusts $ 720 $ 674 $ 707 General services provided to AXA Affiliates 27 29 25 Total $ 747 $ 703 $ 732
Schedule of Revenues Earned by Related Parties	These revenues earned by AB from providing these services were as follows: Years ended December 31, 2017 2016 2015 (in millions) Investment management and services fees $ 1,148 $ 999 $ 1,056 Distribution revenues 398 372 415 Other revenues - shareholder servicing fees 73 76 85 Other revenues - other 7 6 5 Total $ 1,626 $ 1,453 $ 1,561
Unsecured Loan from Affiliate
Summary of Transactions with Affiliated Companies	In the normal course of business, the Company enters into various transactions with affiliated companies. Parties are considered to be related if one party has the ability to control or exercise significant influence over the other party in making financial or operating decisions. At December 31, 2017 2016 (in millions) Loans to Affiliates: Loans to AXA 2007 Senior Unsecured Note, 5.7%, due 2020 $ 700 $ 700 2008 Senior Unsecured Note, 5.4%, due 2020 200 201 Unsecured Loan to AXA IM Holding US, 3 month LIBOR +1.5%, due 2025 185 185 Unsecured Loan to Colisée Re. 4.75%, due 2028 145 145 Unsecured Loan to AXA Technology Services SAS, 2.0%, due 2017 — 10 Unsecured Loan to AXA Technology Services Mexico SA, 2.0%, due 2017 — 2 Unsecured Loan to PT AXA Technology Services Asia Indonesia, 6.0%, due 2028 — 3 Total Loans to Affiliates $ 1,230 $ 1,246

EMPLOYEE BENEFIT PLANS (Tables)

EMPLOYEE BENEFIT PLANS (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Schedule of Changes in Projected Benefit Obligations		Changes in the PBO of the Company’s qualified and non-qualified December 31, 2017 2016 (in millions) Projected benefit obligation, beginning of year $ 3,442 $ 3,497 Service cost — — Interest cost 105 108 Actuarial (gains) losses 144 72 Benefits paid (236 ) (235 ) Plan amendments and curtailments — — Projected Benefit Obligation, end of year $ 3,455 $ 3,442
Change in Plan Assets and Funded Status of Company's Qualified and Non-qualified Pension Plans		The following table discloses the change in plan assets and the funded status of the Company’s qualified pension plans and non-qualified December 31, 2017 2016 (in millions) Pension plan assets at fair value, beginning of year $ 2,679 $ 2,709 Actual return on plan assets 357 174 Contributions 4 — Benefits paid and fees (201 ) (204 ) Pension plan assets at fair value, end of year 2,839 2,679 PBO 3,455 3,442 Excess of PBO Over Pension Plan Assets, End of Year $ (616 ) $ (763 )
Allocation of Fair Value of Total Qualified Pension Plan Assets		The following table discloses the allocation of the fair value of total qualified pension plan assets at December 31, 2017 and 2016: December 31, 2017 2016 Fixed Maturities 46.2 % 47.4 % Equity Securities 33.9 34.2 Equity real estate 13.9 13.7 Cash and short-term investments 1.4 1.5 Other 4.6 3.2 Total 100.0 % 100.0 % The following tables disclose the fair values of qualified pension plan assets and their level of observability within the fair value hierarchy at December 31, 2017 and 2016, respectively. December 31, 2017: Level 1 Level 2 Level 3 Total (in millions) Fixed Maturities Corporate $ — $ 792 $ 2 $ 794 U.S. Treasury, government and agency — 471 — 471 States and political subdivisions — 26 — 26 Foreign governments — 5 — 5 Commercial mortgage-backed — — 1 1 Asset-backed — — — — Other structured debt — — — — Common and preferred equity 730 98 — 828 Mutual funds 99 — — 99 Commercial Papers — 44 — 44 Private real estate investment trusts 2 — — 2 Cash and cash equivalents 12 — — 12 Short-term investments — 27 — 27 Other Equity Investments — — — — Other — — — — Total assets in the fair value hierarchy 843 1,463 3 2,309 Investments measured at net assets value — — — 530 Investments at fair value $ 843 $ 1,463 $ 3 $ 2,839 December 31, 2016: Fixed Maturities: Corporate $ — $ 820 $ 1 $ 821 U.S. Treasury, government and agency — 395 — 395 States and political subdivisions — 26 — 26 Foreign governments — 4 — 4 Commercial mortgage-backed — — 2 2 Asset-backed — — 1 1 Other structured debt — — 1 1 Common and preferred equity 738 95 — 833 Mutual funds 92 — — 92 Commercial Paper — 7 — 7 Private real estate investment trusts 3 — — 3 Cash and cash equivalents 22 — — 22 Short-term investments — 20 — 20 Other Equity Investments — — — Other — — — — Total assets in the fair value hierarchy 855 1,367 5 2,227 Investments measured at net assets value — — — 452
Investments for which Net Asset Value ("NAV") is Calculated		The following table lists investments for which net asset value (“NAV”) is calculated; NAV is used as a practical expedient to determine the fair value of these investments at December 31, 2017; Practical Expedient disclosure as of December 31, 2017 Investment Fair Redemption (If currently eligible) Redemption Unfunded (in millions) Private Equity Fund $ 49 n/a (1)(2) n/a $ 29 Private Real Estate Investment Trust 376 Quarterly One Quarter — Hedge Fund 83 Calendar Quarters* Previous Quarter End $ 34 Total $ 508 *March, June, September, December (1) Cannot sell or transfer ownership interest without prior written consent to transfer, and by meeting several criteria (e.g., does not adversely affect other investors). (2) Cannot sell interest in the vehicle without prior written consent of the managing member. Practical Expedient disclosure as of December 31, 2016 Investment Fair Redemption (If currently eligible) Redemption Unfunded (in millions) Private Equity Fund $ 25 n/a (1)(2) n/a $ 65 Private Real Estate Investment Trust 349 Quarterly One Quarter — Hedge Fund 60 Calendar Quarters* Previous Quarter End $ 42 Total $ 434 *March, June, September, December (1) Cannot sell or transfer ownership interest without prior written consent to transfer, and by meeting several criteria (e.g., does not adversely affect other investors). (2) Cannot sell interest in the vehicle without prior written consent of the managing member.
Reconciliation for Level 3 Fair Value of Qualified Pension Plan Assets		The table below presents a reconciliation for all Level 3 fair values of qualified pension plan assets at December 31, 2017, 2016 and 2015, respectively: Level 3 Instruments Fair Value Measurements Private Real Other Fixed Total (in millions) Balance, January 1, 2017 $ — $ — $ 5 $ 5 Actual return on plan assets: Relating to assets still held at December 31, 2017 — — — — Relating to assets sold during 2017 — — — — Purchases/Issues — — — — Sales/Settlements — — (2 ) (2 ) Transfers into/out of Level 3 — — — — Balance, December 31, 2017 $ — $ — $ 3 $ 3 Balance, January 1, 2016 $ — $ — $ 8 $ 8 Actual return on plan assets: Relating to assets still held at December 31, 2016 — — — — Relating to assets sold during 2016 — — — — Purchases/Issues — — — — Sales/Settlements — — (1 ) (1 ) Transfers into/out of Level 3 — — (2 ) (2 ) Balance, December 31, 2016 $ — $ — $ 5 $ 5 Balance, January 1, 2015 $ — $ — $ 10 $ 10 Actual return on plan assets: Relating to assets still held at December 31, 2015 — — — — Relating to assets sold during 2015 — — — — Purchases/Issues — — — — Sales/Settlements — — (1 ) (1 ) Transfers into/out of Level 3 — — (1 ) (1 ) Balance, December 31, 2015 $ — $ — $ 8 $ 8
Changes in Accumulated Benefits Obligation of Post-retirement Plans		Changes in the accumulated benefits obligation of the Company’s post-retirement plans recognized in the accompanying consolidated financial statements are described in the following table: December 31, 2017 2016 (in millions) Accumulated post-retirement benefits obligation, beginning of year $ 539 $ 541 Service cost 2 2 Interest cost 16 17 Contributions and benefits paid (38 ) (37 ) Plan amendments/curtailments — — Medicare Part D subsidy — — Actuarial (gains) losses 18 16 Accumulated Post-Retirement Benefits Obligation, end of year $ 537 $ 539
Estimate of Future Benefits Expected to be Paid		The following table provides an estimate of future benefits expected to be paid in each of the next five years, beginning January 1, 2018, and in the aggregate for the five years thereafter. These estimates are based on the same assumptions used to measure the respective benefit obligations at December 31, 2017 and include benefits attributable to estimated future employee service. Postretirement Benefits Health Pension Benefits Life Insurance Gross Estimate Payment Estimated Medicare Part D Subsidy Net Payment (in millions) 2018 $ 243 $ 27 $ 18 $ 4 $ 14 2019 247 27 16 4 12 2020 240 26 15 4 11 2021 236 26 14 4 10 2022 232 25 13 4 9 Years 2023-2027 1,069 119 53 17 36
Components of certain benefit costs	Components of certain benefit costs for the Company were as follows: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net Periodic Pension Expense: (Qualified and Non-qualified Plans) Service cost $ 2 $ 3 $ 6 $ 8 Interest cost 27 25 77 78 Expected return on assets (39 ) (43 ) (123 ) (130 ) Net amortization 24 30 76 94 Partial settlement 5 — 106 — Total $ 19 $ 15 $ 142 $ 50 Net Postretirement Benefits Costs: Service cost $ — $ — $ 1 $ 1 Interest cost 4 4 12 12 Net amortization 3 2 7 5 Total $ 7 $ 6 $ 20 $ 18 Net Postemployment Benefits Costs: Service cost $ — $ — $ 1 $ 1 Interest cost — — — — Net amortization — (1 ) — (1 ) Total $ — $ (1 ) $ 1 $ —
Net Periodic Pension Expense
Components of Net Periodic Benefit Cost		Components of net periodic pension expense for the Company’s qualified and non-qualified Years Ended December 31, 2017 2016 2015 (in millions) Service cost $ 10 $ 11 $ 10 Interest cost 105 108 127 Expected return on assets (173 ) (177 ) (174 ) Actuarial (gain) loss 1 1 1 Net amortization 126 133 122 Net Periodic Pension Expense $ 69 $ 76 $ 86
Amounts Included in AOCI		The following table discloses the amounts included in AOCI at December 31, 2017 and 2016 that have not yet been recognized as components of net periodic pension cost. December 31, 2017 2016 (in millions) Unrecognized net actuarial (gain) loss $ 1,315 $ 1,482 Unrecognized prior service cost (credit) 1 1 Total $ 1,316 $ 1,483
Assumptions Used to Measure Benefit Obligations and Net Periodic Benefit Cost		The following table discloses assumptions used to measure the Company’s pension benefit obligations and net periodic pension cost at and for the years ended December 31, 2017 and 2016. December 31, 2017 2016 Discount rates: AXA Equitable Life QP 3.4 % 3.81 % AXA Equitable Excess Retirement Plan 3.32 % 3.69 % MONY Life Retirement Income Security Plan for Employees 3.5 % 3.98 % AB Qualified Retirement Plan 4.55 % 4.75 % Other defined benefit plans 3.00%-3.43 % 3.17%-3.86 % Periodic cost 3.17%-3.98 % 3.29%-4.18 % Rates of compensation increase: Benefit obligation 5.99 % 5.99 % Periodic cost 6.38 % 6.43 % Expected long-term rates of return on pension plan assets (periodic cost) 6.75 % 6.75 %
Net Postretirement Benefits Costs
Components of Net Periodic Benefit Cost		Components of net post-retirement benefits costs follow: Years Ended December 31, 2017 2016 2015 (in millions) Service cost $ 2 $ 2 $ 2 Interest cost 16 16 20 Net amortization 6 7 10 Net Periodic Post-Retirement Benefits Costs $ 24 $ 25 $ 32
Amounts Included in AOCI		The following table discloses the amounts included in AOCI at December 31, 2017 and 2016 that have not yet been recognized as components of net periodic post-retirement benefits cost: December 31, 2017 2016 (in millions) Unrecognized net actuarial (gains) losses $ 143 $ 132 Unrecognized prior service (credit) — — Total $ 143 $ 132
Assumptions Used to Measure Benefit Obligations and Net Periodic Benefit Cost		The following table discloses the range of discrete single equivalent discount rates for each of the post-retirement plans at December 31, 2015 as compared to previous use of an aggregate, weighted average practical expedient, and related net periodic cost at and for the years ended December 31, 2017 and 2016. December 31, 2017 2016 Discount rates: Benefit obligation 2.80%-3.52% 2.86%-4.01% Periodic cost 3.17%-3.98% 3.29%-4.18%
Net Postemployment Benefits Costs
Components of Net Post-retirement Benefits Cost		Components of net post-employment benefits costs follow: Years Ended December 31, 2017 2016 2015 (in millions) Service cost $ 2 $ 2 $ 2 Interest cost — — — Net amortization (2 ) — (16 ) Net Periodic Post-Employment Benefits Costs $ — $ 2 $ (14 )

SHARE-BASED AND OTHER COMPENS_2

SHARE-BASED AND OTHER COMPENSATION PROGRAMS (Tables)	12 Months Ended
	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Compensation Costs of Share Based Payment Arrangements	Compensation costs for 2017, 2016 and 2015 for share-based payment arrangements as further described herein are as follows: 2017 2016 2015 (in millions) Performance Shares $ 45 $ 37 $ 44 Stock Options (Other than AB stock options) 1 1 1 AXA Shareplan 13 19 20 Restricted Awards 185 154 174 Other Compensation plans(1) 3 2 4 Total Compensation Expenses $ 247 $ 213 $ 243
Summary of Activity of Option Plans	A summary of the activity in the AXA and the Company’s option plans during 2017 follows: Options Outstanding AXA Ordinary Shares AXA ADRs (2) AB Holding Units Number Weighted Number Weighted Number Weighted Options Outstanding at January 1, 2017 9,536 € 21.02 45 $ 24.90 5,085 $ 49.45 Options granted 488 € 23.92 — $ — — — Options exercised (1,996 ) € 18.02 (2 ) $ 21.35 (1,180 ) $ 17.04 Options forfeited, net — € — — $ — — — Options expired (2,626 ) 33.77 (8 ) 42.62 (823 ) $ 84.96 Options Outstanding at December 31, 2017 5,402 € 17.36 35 $ 20.98 3,082 $ 52.37 Aggregate Intrinsic Value (1) € 39,861 $ 303 — (2) Weighted Average Remaining Contractual Term (in years) 4.2 1.2 1.2 Options Exercisable at December 31, 2017 3,406 € 14.68 35 $ 42.62 3,018 $ 52.97 Aggregate Intrinsic Value (1) € 34,275 $ 303 — Weighted Average Remaining Contractual Term (in years) 2.8 1.2 1.1 (1) Aggregate intrinsic value, presented in thousands, is calculated as the excess of the closing market price on December 31, 2017 of the respective underlying shares over the strike prices of the option awards. (2) AXA ordinary shares will be delivered to participants in lieu of AXA ADRs at exercise or maturity.
Summary of Relevant Input Assumtions to Derive Fair Value of Options	Shown below are the relevant input assumptions used to derive the fair values of options awarded in 2017, 2016 and 2015, respectively. AXA Ordinary Shares AB Holding Units (1) 2017 2016 2015 2017 2016 2015 Dividend yield 6.53 % 6.50 % 6.29 % NA 7.10 % 7.10 % Expected volatility 25.05 % 26.60 % 23.68 % NA 31.00 % 32.10 % Risk-free interest rates 0.59 % 0.33 % 0.92 % NA 1.30 % 1.50 % Expected life in years 8.8 8.1 8.2 NA 6 6 Weighted average fair value per option at grant date $ 2.01 $ 2.06 $ 1.73 NA $ 2.75 $ 4.13 (1) There were no options to buy AB Holding Units awarded during 2017. As such, the input assumptions for 2017 are not applicable.
Summary of Restricted Ordinary Share Activity	The following table summarizes restricted AXA ordinary share activity for 2017. In addition, approximately 11,069 RSUs were granted during 2017 with graded vesting over a 3-year Shares of Restricted Stock Weighted Average Grant Date Fair Value Unvested as of January 1, 2017 36,306 $ 24.46 Granted 12,929 $ 27.49 Vested 11,819 $ 24.30 Unvested as of December 31, 2017 37,416 $ 24.04

INCOME TAXES (Tables)

INCOME TAXES (Tables)	1 Months Ended
	Jan. 31, 2018
Income Tax Disclosure [Abstract]
Summary of Income Tax (Expense) Benefit	A summary of the income tax (expense) benefit in the consolidated statements of income (loss) follows: 2017 2016 2015 (in millions) Income tax (expense) benefit: Current (expense) benefit $ 119 $ (169 ) $ 136 Deferred (expense) benefit (168 ) (209 ) 86 Total $ (49 ) $ (378 ) $ 222
Summary of Sources of Difference and Their Tax Effects	The sources of the difference and their tax effects are as follows: 2017 2016 2015 (in millions) Expected income tax (expense) benefit $ (457 ) $ (710 ) $ (149 ) Noncontrolling interest 138 125 96 Non-taxable 255 177 191 Tax audit interest (14 ) (32 ) (8 ) State income taxes (16 ) (108 ) (10 ) Tax Settlements/Uncertain Tax Position Release 228 181 105 Change in Tax Law (32 ) — — Intangibles (138 ) (9 ) (9 ) Other (13 ) (2 ) 6 Income tax (expense) benefit $ (49 ) $ (378 ) $ 222
Components of Net Deferred Income Taxes	The components of the net deferred income taxes are as follows: 2017 2016 Assets Liabilities Assets Liabilities (in millions) Compensation and related benefits $ 328 $ — $ 605 $ — Net operating loss 35 — 43 — Reserves and reinsurance 1,460 — 1,906 — DAC and VOBA — 850 — 1,551 Unrealized investment gains (losses) — 373 — 63 Investments — 891 — 859 Alternative minimum tax credits 528 — 303 — Other 170 — 537 — Total $ 2,521 $ 2,114 $ 3,394 $ 2,473
Reconciliation of unrecognized tax benefits (excluding interest and penalties)	A reconciliation of unrecognized tax benefits (excluding interest and penalties) follows: 2017 2016 2015 (in millions) Balance at January 1, $ 729 $ 802 $ 857 Additions for tax positions of prior years 28 99 44 Reductions for tax positions of prior years (247 ) (172 ) (99 ) Additions for tax positions of current year — — — Settlements with Tax Authorities (33 ) — — Balance at December 31, $ 477 $ 729 $ 802 Unrecognized tax benefits that, if recognized, would impact the effective rate $ 317 $ 485 $ 620

ACCUMULATED OTHER COMPREHENSI_2

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Equity [Abstract]
Schedule of Accumulated Other Comprehensive Income (Loss)	AOCI represents cumulative gains (losses) on items that are not reflected in Net income (loss). The balances as of September 30, 2018 and 2017 follow: September 30, 2018 2017 (in millions) Unrealized gains (losses) on investments $ (841 ) $ 642 Foreign currency translation adjustments (39 ) (45 ) Defined benefit pension plans (752 ) (995 ) Total accumulated other comprehensive income (loss) (1,632 ) (398 ) Less: Accumulated other comprehensive (income) loss attributable to noncontrolling interest 37 53 Accumulated other comprehensive income (loss) attributable to Holdings $ (1,595 ) $ (345 )	AOCI represents cumulative gains (losses) on items that are not reflected in income (loss). The balances for the past three years follow: December 31, 2017 2016 2015 (in millions) Unrealized gains (losses) on investments $ 830 $ 140 $ 414 Foreign currency translation adjustments (35 ) (77 ) (59 ) Defined benefit pension plans (955 ) (1,055 ) (1,089 ) Total accumulated other comprehensive income (loss) (160 ) (992 ) (734 ) Less: Accumulated other comprehensive (income) loss attributable to noncontrolling interest 52 71 57 Accumulated other comprehensive income (loss) attributable to Holdings $ (108 ) $ (921 ) $ (677 )
Components of Accumulated Other Comprehensive Income (Loss), Net of Taxes	The components of OCI, net of taxes for the three and nine months ended September 30, 2018 and 2017 follow: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Foreign currency translation adjustments: Foreign currency translation gains (losses) arising during the period $ 10 $ 7 $ (4 ) $ 32 (Gains) losses reclassified into net income (loss) during the period — — — — Foreign currency translation adjustment 10 7 (4 ) 32 Net unrealized gains (losses) on investments: Net unrealized gains (losses) arising during the period (445 ) (1 ) (2,064 ) 549 (Gains) losses reclassified into net income (loss) during the period (1) 27 17 (43 ) 29 Net unrealized gains (losses) on investments (418 ) 16 (2,107 ) 578 Adjustments for policyholders’ liabilities, DAC, insurance liability loss recognition and other 56 (49 ) 437 (76 ) Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $(96), $(18), $(444) and $270) (362 ) (33 ) (1,670 ) 502 Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Change in defined benefit plans: Less: reclassification adjustments to net income (loss) for: Amortization of net actuarial (gains) losses included in: Amortization of net prior service cost included in net periodic cost 68 17 202 60 Change in defined benefit plans (net of deferred income tax expense (benefit) of $18, $9, $54 and $32) 68 17 202 60 Total other comprehensive income (loss), net of income taxes (284 ) (9 ) (1,472 ) 594 Less: Other comprehensive (income) loss attributable to noncontrolling interest — (3 ) (15 ) (18 ) Other comprehensive income (loss) attributable to Holdings $ (284 ) $ (12 ) $ (1,487 ) $ 576 ____________ (1) See “Reclassification adjustments” in Note 3 . Reclassification amounts presented net of income tax expense (benefit) of $ 7 million, $ (11) million, $ 9 million and $ 16 million for the three and nine months ended September 30, 2018 and 2017 , respectively.	The components of OCI for the past three years, net of tax, follow: As of December 31, 2017 2016 2015 (in millions) Foreign currency translation adjustments: Foreign currency translation gains (losses) arising during the period $ 42 $ (18 ) $ (25 ) (Gains) losses reclassified into net income (loss) during the period — — — Foreign currency translation adjustment 42 (18 ) (25 ) Change in net unrealized gains (losses) on investments: Net unrealized gains (losses) arising during the year 910 (227 ) (1,202 ) (Gains) losses reclassified into net income (loss) during the year (1) 10 (55 ) 13 Net unrealized gains (losses) on investments 920 (282 ) (1,189 ) Adjustments for policyholders liabilities, DAC, insurance liability loss recognition and other (230 ) 8 250 Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $(262) million, $(164) million, and $(505) million) 690 (274 ) (939 ) Change in defined benefit plans: Less: reclassification adjustments to net income (loss) for: (2) Amortization of net prior service credit included in net periodic cost 100 34 35 Change in defined benefit plans (net of deferred income tax expense (benefit) of $51 million, $19 million, $19 million) 100 34 35 Total other comprehensive income (loss), net of income taxes 832 (258 ) (929 ) Less: Other comprehensive (income) loss attributable to noncontrolling interest (19 ) 14 14 Other comprehensive income (loss) attributable to Holdings $ 813 $ (244 ) $ (915 ) (1) See “Reclassification adjustments” in Note 3. Reclassification amounts presented net of income tax expense (benefit) of $5 million, $29 million and $(7) million for 2017, 2016 and 2015, respectively. (2) These AOCI components are included in the computation of net periodic costs (see “Employee Benefit Plans” in Note 12). Reclassification amounts presented net of income tax expense (benefit) of $(51) million, $(19) million and $(19) million for 2017, 2016 and 2015, respectively.

COMMITMENTS AND CONTINGENT LI_2

COMMITMENTS AND CONTINGENT LIABILITIES (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Obligation Under Funding Agreements	Outstanding balance at end of period Maturity of Outstanding balance Issued during the period Repaid during the period (in millions) September 30, 2018 Short-term FHLBNY funding agreements $ 500 less than one month $ 4,500 $ 4,500 Long-term FHLBNY funding agreements 1,621 less than 4 years — — 98 Less than 5 years — — 781 Greater than 5 years — — Total long-term funding agreements 2,500 $ — — Total FHLBNY funding agreements at September 30, 2018 $ 3,000 $ 4,500 $ 4,500 December 31, 2017: Short-term FHLBNY funding agreements $ 500 Less than one month $ 6,000 $ 6,000 Long-term FHLBNY funding agreements 1,244 Less than 4 years 324 — 377 Less than 5 years 303 — 879 Greater than 5 years 135 — Total long-term funding agreements 2,500 762 — Total FHLBNY funding agreements at December 31, 2017 $ 3,000 $ 6,762 $ 6,000	The table below summarizes the Company’s activity of funding agreements with the FHLBNY. Outstanding Maturity of Outstanding balance Issued during Repaid during (in millions) December 31, 2017: Short-term FHLBNY funding agreements $ 500 less than one month $ 6,000 $ 6,000 Long-term FHLBNY funding agreements 1,244 less than 4 years 324 — 377 Less than 5 years 303 — 879 greater than five years 135 — Total long term funding agreements 2,500 762 — Total FHLBNY funding agreements at December 31, 2017 $ 3,000 $ 6,762 $ 6,000 December 31, 2016: Short-term FHLBNY funding agreements $ 500 less than one month $ 6,000 $ 6,000 Long-term FHLBNY funding agreements 58 less than 4 years 58 — 862 Less than 5 years 862 — 818 greater than five years 818 — Total long term funding agreements 1,738 1,738 — Total FHLBNY funding agreements at December 31, 2016 $ 2,238 $ 7,738 $ 6,000 (1) The $14 million difference between the funding agreements carrying value shown in fair value table for 2017 and contractual obligation value for 2017 reflects the impact of a hedge implemented to lock in the funding agreements borrowing rate.
Restructuring Costs and Liabilities	The liabilities associated with the Company’s lease obligations were as follows: Nine Months Ended Year Ended December 31, 2018 2017 (in millions) Leases Balance, beginning of year $ 165 $ 170 Expense incurred 7 29 Deferred rent 2 10 Payments made (40 ) (48 ) Interest accretion 3 4 Balance, end of period $ 137 $ 165	The restructuring costs, included in other operating expenses and liabilities, included in other liabilities, associated with the Company’s initiatives were as follows: December 31, 2017 2016 (in millions) Severance Balance, beginning of year $ 22 $ 11 Additions 17 20 Cash payments (14 ) (9 ) Other reductions (2 ) — Balance, end of year $ 23 $ 22 December 31, 2017 2016 (in millions) Leases Balance as of January 1, 2017 $ 170 $ 190 Expense incurred 29 12 Deferred rent 10 5 Payments made (48 ) (42 ) Interest accretion 4 5 Balance as of end of period $ 165 $ 170

BUSINESS SEGMENT INFORMATION (T

BUSINESS SEGMENT INFORMATION (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Segment Reporting [Abstract]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated	The table below presents operating earnings (loss) by segment and Corporate and Other and a reconciliation to Net income (loss) attributable to Holdings for the three and nine months ended September 30, 2018 and 2017 , respectively: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net income (loss) attributable to Holdings $ (496 ) $ 10 $ (118 ) $ 351 Adjustments related to: Variable annuity product features 1,403 507 1,829 738 Investment (gains) losses 36 11 (44 ) 32 Goodwill impairment — — — 369 Net actuarial (gains) losses related to pension and other postretirement benefit obligations 24 34 182 101 Other adjustments 51 56 229 61 Income tax expense (benefit) related to above adjustments (409 ) (35 ) (461 ) (446 ) Non-recurring tax items 84 (183 ) 45 (92 ) Non-GAAP Operating Earnings $ 693 $ 400 $ 1,662 $ 1,114 Operating earnings (loss) by segment: Individual Retirement $ 434 $ 326 $ 1,207 $ 844 Group Retirement 134 85 287 193 Investment Management and Research 96 45 274 138 Protection Solutions 137 (3 ) 160 54 Corporate and Other (1) (108 ) (53 ) (266 ) (115 ) __________________ (1) Includes interest expense of $65 million , $31 million , $171 million and $104 million , for the three and nine months ended September 30, 2018 and 2017 , respectively.	The table below presents operating earnings (loss) by segment and Corporate and Other and a reconciliation to Net income (loss) attributable to Holdings for the years ended December 31, 2017, 2016 and 2015, respectively: Years Ended December 31, 2017 2016 (as restated) 2015 (in millions) Net income (loss) attributable to Holdings 834 1,254 325 Adjustments related to: Variable annuity product features 1,107 2,143 1,778 Investment (gains) losses 191 (1,983 ) 15 Goodwill impairment 369 — — Net actuarial (gains) losses related to pension and other postretirement benefit obligations 135 140 137 Other adjustments 119 (7 ) (130 ) Income tax expense (benefit) related to above adjustments (644 ) (93 ) (615 ) Non-recurring (76 ) (63 ) (103 ) Non-GAAP $ 2,035 $ 1,391 $ 1,407 Operating earnings (loss) by segment: Individual Retirement 1,252 1,167 1,091 Group Retirement 283 167 169 Investment Management and Research 211 161 173 Protection Solutions 502 77 114 Corporate and Other (1) (213 ) (181 ) (140 ) (1) Includes interest expense of $138 million, $161 million, and $131 million, in 2017, 2016 and 2015, respectively.
Reconciliation of Revenue from Segments to Consolidated	The table below presents segment revenues for the three and nine months ended September 30, 2018 and 2017 : Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Segment revenues: Individual Retirement (1) $ 1,070 $ 998 $ 2,873 $ 3,058 Group Retirement (1) 262 248 745 685 Investment Management and Research (2) 851 792 2,602 2,307 Protection Solutions (1) 774 798 2,378 2,330 Corporate and Other (1) 280 288 861 965 Adjustments related to: Variable annuity product features (2,125 ) (326 ) (2,539 ) 162 Investment gains (losses) (36 ) (11 ) 44 (32 ) Other adjustments to segment revenues 7 19 (41 ) 63 Total revenues $ 1,083 $ 2,806 $ 6,923 $ 9,538 ________________ (1) Includes investment expenses charged by AB of approximately $13 million , $15 million , $49 million and $46 million for the three and nine months ended September 30, 2018 and 2017 , respectively, for services provided to the Company. (2) Inter-segment investment management and other fees of approximately $25 million , $22 million , $75 million and $67 million for the three and nine months ended September 30, 2018 and 2017 , respectively, are included in total revenues of the Investment Management and Research segment.	The table below presents segment revenues and Corporate and Other revenues for the years ended December 31, 2017, 2016 and 2015. Years Ended December 31, 2017 2016 (as restated) 2015 (in millions) Segment revenues: Individual Retirement (1) 4,374 3,703 3,202 Group Retirement (1) 942 801 795 Investment Management and Research (2) 3,216 2,933 3,024 Protection Solutions (1) 3,057 3,129 2,977 Corporate and Other (1) 1,212 1,256 1,405 Adjustments: Variable annuity product features (214 ) (2,132 ) (1,455 ) Investment gains (losses) (191 ) 1,983 (15 ) Other adjustments to segment revenues 64 90 110 Total revenues 12,460 11,763 10,043 (1) Includes investment expenses charged by AB of approximately $68 million, $60 million, and $57 million for 2017, 2016 and 2015, respectively, for services provided to the Company. (2) Inter-segment investment management and other fees of approximately $96 million, $86 million, and $84 million for 2017, 2016 and 2015, respectively, are included in segment revenues of the Investment Management and Research segment.
Reconciliation of Assets from Segment to Consolidated	The table below presents Total assets by segment as of September 30, 2018 and December 31, 2017 : September 30, December 31, (in millions) Total assets by segment: Individual Retirement $ 111,890 $ 121,713 Group Retirement 43,398 38,578 Investment Management and Research (1) 10,038 10,057 Protection Solutions (1) 48,124 43,157 Corporate and Other (1) 21,001 22,110 Total assets $ 234,451 $ 235,615 ________________ (1) Amounts for December 31, 2017 as previously reported were: Investment Management and Research of $8,297 million , Protection Solutions of $43,116 million and Corporate and Other of $23,934 million .	The table below presents total assets by segment and Corporate and Other as of December 31, 2017 and 2016: December 31, 2017 2016 (as restated) (in millions) Total assets by segment: Individual Retirement $ 121,713 $ 104,857 Group Retirement $ 38,578 $ 32,805 Investment Management and Research $ 10,057 $ 10,065 Protection Solutions $ 43,157 $ 44,457 Corporate and Other $ 22,110 $ 24,461 Total assets $ 235,615 $ 216,645

EARNINGS PER SHARE (Tables)

EARNINGS PER SHARE (Tables)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The following table presents the reconciliation of the numerator for the basic and diluted net income per share calculations: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Net income (loss) attributable to Holdings common shareholders: Net income (loss) attributable to Holdings common shareholders (basic): $ (496 ) $ 10 $ (118 ) $ 351 Less: Incremental dilution from AB (1) — — — — Net income (loss) attributable to Holdings common shareholders (diluted): $ (496 ) $ 10 $ (118 ) $ 351 ____________________ (1) The incremental dilution from AB represents the impact of AB’s dilutive units on the Company’s diluted earnings per share and is calculated based on the Company’s proportionate ownership interest in AB. The following table presents the number of weighted average shares used in calculating basic and diluted earnings per common share: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Weighted Average Shares: Weighted average common stock outstanding for basic earnings per common share 560.3 561.0 560.8 561.0 Effect of dilutive securities: Employee stock awards — — — — Weighted average common stock outstanding for diluted earnings per common share 560.3 561.0 560.8 561.0 For the three and nine months ended September 30, 2018 , approximately 3.8 million and 3.8 million shares of outstanding stock awards were not included in the computation of diluted earnings per share because their effect was anti-dilutive. The following table presents both basic and diluted income (loss) per share for each period presented: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (dollars per share) Net income (loss) attributable to Holdings per common share: Basic $ (0.89 ) $ 0.02 $ (0.21 ) $ 0.63 Diluted $ (0.89 ) $ 0.02 $ (0.21 ) $ 0.63	The following table presents the weighted average shares used in calculating basic and diluted earnings per common share: Years Ended December 31, 2017 2016 2015 (in millions) Weighted Average Shares Weighted average common stock outstanding for basic earnings per common share 561 561 561 Weighted average common stock outstanding for basic and diluted earnings per common share 561 561 561 The following table presents the reconciliation of the numerator for the basic and diluted net income per share calculations: Years Ended December 31, 2017 2016 2015 (in millions) Net income (loss) attributable to Holdings common shareholders: Net income (loss) attributable to Holdings common shareholders (basic): $ 834 $ 1,254 $ 325 Less: Incremental dilution from AB (1) $ 1 $ — $ 1 Net income (loss) attributable to Holdings common shareholders (diluted): $ 833 $ 1,254 $ 324 (1) The incremental dilution from AB represents the impact of AB’s dilutive units on the Company’s diluted earnings per share and is calculated based on the Company’s proportionate ownership interest in AB. The following table presents both basic and diluted income (loss) per share for each period presented: Years Ended December 31, 2017 2016 2015 in dollar per share Net income (loss) attributable to Holdings per common share: Basic $ 1.49 $ 2.24 $ 0.58 Diluted $ 1.48 $ 2.24 $ 0.58

SUBSEQUENT EVENTS (Tables)

SUBSEQUENT EVENTS (Tables)	12 Months Ended
	Dec. 31, 2017
Subsequent Events [Abstract]
Schedule of Expected Performance Objectives and Weightings	Expected performance objectives and weightings for the 2018 STIC Program are as follows: Performance Objective Weighting Non-GAAP 50% Premiums and Flows 25% Strategic Goals 25%

SIGNIFICANT ACCOUNTING POLICI_3

SIGNIFICANT ACCOUNTING POLICIES (Tables)	9 Months Ended
	Sep. 30, 2018
Accounting Policies [Abstract]
Schedule of New Accounting Pronouncements and Changes in Accounting Principles	Adoption of New Accounting Pronouncements Standard Description Effect on the Financial Statement or Other Significant Matters ASU 2014-09 Revenue from Contracts with Customers (Topic 606) This ASU contains new guidance that clarifies the principles for recognizing revenue arising from contracts with customers and develops a common revenue standard for U.S. GAAP and IFRS. On January 1, 2018, the Company adopted the new revenue recognition guidance on a modified retrospective basis. Adoption did not change the amounts or timing of the Company’s revenue recognition for base investment management and advisory fees, distribution revenues, shareholder servicing revenues, and broker-dealer revenues. Some performance-based fees and carried-interest distributions that were recognized prior to adoption when no risk of reversal remained, in certain instances may now be recognized earlier if it is probable that significant reversal will not occur. On January 1, 2018, the Company recognized a cumulative effect adjustment, net of tax, to increase opening equity attributable to Holdings and the noncontrolling interest by approximately $13 million and $19 million, respectively, reflecting the impact of carried-interest distributions previously received by AB of approximately $78 million, net of revenue sharing payments to investment team members of approximately $43 million, for which it is probable that significant reversal will not occur and for which incremental tax is provided at Holdings. Standard Description Effect on the Financial Statement or Other Significant Matters ASU 2016-01 Financial Instruments - Overall (Subtopic 825-10) This ASU provides new guidance related to the recognition and measurement of financial assets and financial liabilities. The new guidance primarily affects the accounting for equity investments, financial liabilities under the fair value option, and presentation and disclosure requirements for financial instruments. The FASB also clarified guidance related to the valuation allowance assessment when recognizing deferred tax assets resulting from unrealized losses on AFS debt securities. The new guidance requires equity investments in unconsolidated entities, except those accounted for under the equity method, to be measured at fair value through earnings, thereby eliminating the AFS classification for equity securities with readily determinable fair values for which changes in fair value currently are reported in AOCI. On January 1, 2018, the Company adopted the new recognition requirements on a modified retrospective basis for changes in the fair value of AFS equity securities, resulting in no material reclassification adjustment from AOCI to opening retained earnings for the net unrealized gains, net of tax, related to approximately $46 million common stock securities and eliminated their designation as AFS equity securities. The Company does not currently report any of its financial liabilities under the fair value option. ASU 2016-15 Statement of Cash Flows (Topic 230 ) This ASU provides new guidance to simplify elements of cash flow classification. The new guidance is intended to reduce diversity in practice in how certain transactions are classified in the statement of cash flows. The new guidance requires application of a retrospective transition method. Adoption of this guidance did not have a material impact on the Company’s consolidated financial statements. ASU 2017-07 Compensation - Retirement Benefits (Topic 715) This ASU provides new guidance on the presentation of net periodic pension and post-retirement benefit costs that requires retrospective disaggregation of the service cost component from the other components of net benefit costs on the income statement. On January 1, 2018, the Company adopted the change in the income statement presentation utilizing the practical expedient for determining the historical components of net benefit costs, resulting in no material impact to the consolidated financial statements. In addition, no changes to the Company’s capitalization policies with respect to benefit costs resulted from the adoption of the new guidance. ASU 2017-09 Compensation - Stock Compensation (Topic 718) This ASU provides clarity and reduces both 1) diversity in practice and 2) cost and complexity when applying guidance in Topic 718, Compensation - Stock Compensation , to a change to the terms or conditions of a share-based payment award. Adoption of this amendment on January 1, 2018 did not have a material impact on the Company’s consolidated financial statements. Future Adoption of New Accounting Pronouncements Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-14 Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20) This ASU improves the effectiveness of disclosures related to defined benefit plans in the notes to the financial statements. Amendments in ASU 2018-14 remove disclosures that are no longer considered cost beneficial, clarify the specific requirements of disclosures, and add new, relevant disclosure requirements. Effective for fiscal years ending after December 15, 2020, for public business entities. Early adoption is permitted. Amendments should be applied on a retrospective basis to all periods presented. Management currently is evaluating the impact of the guidance on the Company’s financial statement disclosures but has concluded that this guidance will not impact the Company’s consolidated financial position or results of operations. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-13 Fair Value Measurement (Topic 820) This ASU improves the effectiveness of fair value disclosures in the notes to financial statements. Amendments in this ASU modify disclosure requirements in Topic 820, including the removal of certain disclosure requirements, modification of certain disclosures, and the addition of new requirements. Effective for fiscal years beginning after December 15, 2019, for public business entities. Early adoption is permitted, with the option to early adopt amendments to remove or modify disclosures, with full adoption of additional requirements delayed until their effective date. Amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively. All other amendments should be applied retrospectively. Management currently is evaluating the impact of the guidance on the Company’s financial statement disclosures but has concluded that this guidance will not impact the Company’s consolidated financial position or results of operations. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-12 Financial Services - Insurance (Topic 944) This ASU provides targeted improvements to existing recognition, measurement, presentation, and disclosure requirements for long-duration contracts issued by an insurance entity. The ASU primarily impacts four key areas, including: – Measurement of the liability for future policy benefits for traditional and limited payment contracts. The ASU requires companies to review, and if necessary update, cash flow assumptions at least annually for non-participating traditional and limited-payment insurance contracts. Interest rates used to discount the liability will need to be updated quarterly using an upper medium grade (low credit risk) fixed-income instrument yield. – Measurement of market risk benefits (“MRBs”). MRBs, as defined under the ASU, will encompass certain GMxB features associated with variable annuity products and other general account annuities with other than nominal market risk. The ASU requires MRBs to be measured at fair value with changes in value attributable to changes in instrument-specific credit risk recognized in OCI. – Amortization of deferred acquisition costs. The ASU simplifies the amortization of deferred acquisition costs and other balances amortized in proportion to premiums, gross profits, or gross margins, requiring such balances to be amortized on a constant level basis over the expected term of the contracts. Deferred costs will be required to be written off for unexpected contract terminations but will not be subject to impairment testing. – Expanded footnote disclosures . The ASU requires additional disclosures including disaggregated rollforwards of beginning to ending balances of the liability for future policy benefits, policyholder account balances, MRBs, separate account liabilities and deferred acquisition costs. Companies will also be required to disclose information about significant inputs, judgements, assumptions and methods used in measurement. Effective date for public business entities for fiscal years and interim periods with those fiscal years, beginning after December 31, 2020. Early adoption is permitted. – For the liability for future policyholder benefits for traditional and limited payment contracts, companies can elect one of two adoption methods. Companies can either elect a modified retrospective transition method applied to contracts in force as of the beginning of the earliest period presented on the basis of their existing carrying amounts, adjusted for the removal of any related amounts in AOCI or a full retrospective transition method using actual historical experience information as of contract inception. The same adoption method must be used for deferred acquisition costs. – For MRBs, the ASU should be applied retrospectively as of the beginning of the earliest period presented. – For deferred acquisition costs, companies can elect one of two adoption methods. Companies can either elect a modified retrospective transition method applied to contracts in force as of the beginning of the earliest period presented on the basis of their existing carrying amounts, adjusted for the removal of any related amounts in AOCI or a full retrospective transition method using actual historical experience information as of contract inception. The same adoption method must be used for the liability for future policyholder benefits for traditional and limited payment contracts. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements, however the adoption of the ASU is expected to have a significant impact on our consolidated financial condition, results of operations, cash flows and required disclosures, as well as processes and controls. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2018-07 , Compensation - Stock Compensation (Topic 718) This ASU contains new guidance that largely aligns the accounting for share-based payment awards issued to employees and non-employees. Effective for public business entities for fiscal years beginning after December 15, 2018, including interim periods, with early adoption permitted. The Company has granted share-based payment awards only to employees as defined by accounting guidance and does not expect this guidance will have a material impact on its consolidated financial statements. ASU 2018-02 Income Statement - Reporting Comprehensive Income This ASU contains new guidance that permits, but does not require, entities to reclassify to retained earnings tax effects “stranded” in AOCI resulting from the change in federal tax rate enacted by the Tax Cuts and Jobs Act (the “Tax Reform Act”) on December 22, 2017. If elected, these stranded tax effects for all items must be reclassified in AOCI, including, but not limited to, AFS securities and employee benefits. Effective for interim and annual periods beginning after December 15, 2018, with early adoption permitted. Election can be made either to apply the new guidance retrospectively to each period in which the effect of the Tax Reform Act is recognized or in the period of adoption. Management currently is evaluating the options provided for adopting this guidance and the potential impacts on the Company’s consolidated financial statements. ASU 2017-12 Derivatives and Hedging (Topic 815) The amendments in this ASU better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. Effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early application permitted. The effect of adoption should be reflected as of the beginning of the fiscal year of adoption. Management does not expect this guidance will have a material impact on the Company’s consolidated financial statements. ASU 2017-08 , Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20) This ASU requires certain premiums on callable debt securities to be amortized to the earliest call date and is intended to better align interest income recognition with the manner in which market participants price these instruments. Effective for interim and annual periods beginning after December 15, 2018, with early adoption permitted and is to be applied on a modified retrospective basis. Management does not expect this guidance will have a material impact on the Company’s consolidated financial statements. ASU 2016-13 Financial Instruments - Credit Losses (Topic 326) This ASU contains new guidance which introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. Effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, for public business entities. Early adoption is permitted as of the fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. These amendments should be applied through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. Management currently is evaluating the impact that adoption of this guidance will have on the Company’s consolidated financial statements. Standard Description Effective Date and Method of Adoption Effect on the Financial Statement or Other Significant Matters ASU 2016-02 Leases (Topic 842) This ASU contains revised guidance to lease accounting that will require lessees to recognize on the balance sheet a “right-of-use” asset and a lease liability for virtually all lease arrangements, including those embedded in other contracts. Lessor accounting will remain substantially unchanged from the current model but has been updated to align with certain changes made to the lessee model. Effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, for public business entities. Early application is permitted. Lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach, which includes optional practical expedients that entities may elect to apply. The Company expects to adopt ASU 2016-02, as well as other related clarifications and interpretive guidance issued by the FASB, when it becomes effective on January 1, 2019. The Company identified its significant existing leases, which primarily include real estate leases for office space, that will be impacted by the new guidance. The Company expects to implement new accounting processes and internal controls to meet the requirements for financial reporting and disclosures of its leases. The Company expects these evaluation and implementation activities will continue throughout 2018 prior to the effective date of adoption on January 1, 2019. The Company plans to elect the optional modified retrospective transition method to apply the provisions of the new standard, which will result in a cumulative-effect adjustment to opening retained earnings in the period of adoption. Under this transition method, the Company would not recast prior financial statements.

REVENUE RECOGNITION (Tables)

REVENUE RECOGNITION (Tables)	9 Months Ended
	Sep. 30, 2018
Revenue from Contract with Customer [Abstract]
Revenues Recognized, Disaggregated by Category	The table below presents the revenues recognized during the three and nine months ended September 30, 2018 and 2017 , disaggregated by category: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Investment management, advisory and service fees: Base fees $ 734 $ 697 $ 2,178 $ 2,010 Performance-based fees 42 4 83 25 Research services 103 109 324 331 Distribution services 184 178 547 515 Other revenues: Shareholder services 20 19 58 56 Other 5 5 16 13 Total investment management and service fees $ 1,088 $ 1,012 $ 3,206 $ 2,950 Other income $ 120 $ 105 $ 354 $ 309

SHARE-BASED COMPENSATION PROGRA

SHARE-BASED COMPENSATION PROGRAMS (Tables)	9 Months Ended
	Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Compensation Costs	Compensation costs for the three and nine months ended September 30, 2018 and 2017 for share-based payment arrangements as further described herein are as follows: Three Months Ended Nine Months Ended 2018 2017 2018 2017 (in millions) Performance Shares (1) $ 9.7 $ 8.9 $ 14.1 $ 42.9 Stock Options 0.9 0.4 1.4 1.2 Restricted Stock Unit Awards (2) 19.5 5.6 29.6 26.9 Other Compensation Plans (3) 0.9 2.0 2.4 2.4 Total Compensation Expenses $ 31.0 $ 16.9 $ 47.5 $ 73.4 ________________ (1) Reflects change to performance share retirement rules. Specifically, individuals who retire at any time after the grant date will continue to vest in their 2017 performance shares while individuals who retire prior to March 1, 2019 will forfeit all 2018 performance shares. (2) Reflects a $10.9 million adjustment for awards with graded vesting, service-only conditions from the graded to the straight-line attribution method. (3) Includes Stock Appreciation Rights and Employee Stock Purchase Plans.

ORGANIZATION - Restatement Revi

ORGANIZATION - Restatement Revision of Statement of Balance Sheet (Detail) $ in Millions	Apr. 24, 2018	Sep. 30, 2018USD ($)	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)	Jun. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Dec. 31, 2016USD ($)		Dec. 31, 2015USD ($)
Assets:
Deferred policy acquisition costs		$ 6,736	$ 6,285	$ 6,243	$ 5,919	$ 6,090	$ 6,111	$ 6,035	$ 6,049		$ 6,047
Loans to affiliates		0			1,230	1,234	1,235		1,246
Current and deferred income taxes		321	52	232	84	268	311	458	522
Total Assets		234,451	230,947	232,256	235,615	230,918	226,712	223,591	216,645
Amounts due from reinsurers		4,909	4,954		5,023				5,220
Liabilities:
Future policy benefits and other policyholders' liabilities		29,504	29,298	29,566	30,330	31,082	31,077	30,233	30,357
Total Liabilities		220,437	215,950	214,650	218,471	215,067	210,938	208,799	201,693
Equity:
Capital in excess of par value(1)		2,025			1,298	998	955		931	[1]
Retained earnings		12,031	12,601	12,437	12,225	11,742	11,732	11,114	11,391
Accumulated other comprehensive income (loss)		(1,595)			(108)	(345)	(333)		(921)
Total equity attributable to Holdings		12,411	13,364	13,547	13,421	12,401	12,360	11,271	11,407
Noncontrolling interest		1,460			3,097				3,142
Total Equity		13,871	14,851	16,582	16,518	15,411	15,413	14,376	14,549		13,515
Total Liabilities, redeemable noncontrolling interest and equity		234,451	230,947	232,256	235,615	230,918	226,712	223,591	216,645
Stock split ratio	459.4752645
Equity [Abstract]
Capital in excess of par value		2,025			1,298	998	955		931	[1]
Retained earnings		12,031	12,601	12,437	12,225	11,742	11,732	11,114	11,391
Accumulated other comprehensive income (loss)		(1,595)			(108)	(345)	(333)		(921)
Total equity attributable to Holdings		12,411	13,364	13,547	13,421	12,401	12,360	11,271	11,407
Total Equity		$ 13,871	14,851	16,582	16,518	15,411	15,413	14,376	14,549		13,515
Scenario, Forecast
Equity:
Stock split ratio	4.594752645
As Previously Reported
Assets:
Deferred policy acquisition costs			6,346	6,288	5,969	5,933	6,101	6,026	5,971
Loans to affiliates						1,245	1,235		1,257
Current and deferred income taxes			47	225	67	339	298	440	531
Total Assets			231,012	232,294	235,648	230,825	226,689	223,564	216,587
Amounts due from reinsurers			4,963
Liabilities:
Future policy benefits and other policyholders' liabilities			29,351	29,586	30,299	31,179	31,029	30,171	30,346
Total Liabilities			216,003	214,670	218,440	215,164	210,890	208,737	201,682
Equity:
Capital in excess of par value(1)						1,007	955		942	[1]
Retained earnings			12,613	12,455	12,289	11,548	11,757	11,149	11,356
Accumulated other comprehensive income (loss)						(350)	(333)		(943)
Total equity attributable to Holdings			13,376	13,565	13,485	12,211	12,385	11,306	11,361
Noncontrolling interest									3,141
Total Equity			14,863	16,600	16,582	15,221	15,438	14,411	14,502		13,569
Total Liabilities, redeemable noncontrolling interest and equity			231,012	232,294	235,648	230,825	226,689	223,564	216,587
Equity [Abstract]
Capital in excess of par value						1,007	955		942	[1]
Retained earnings			12,613	12,455	12,289	11,548	11,757	11,149	11,356
Accumulated other comprehensive income (loss)						(350)	(333)		(943)
Total equity attributable to Holdings			13,376	13,565	13,485	12,211	12,385	11,306	11,361
Total Equity			14,863	16,600	16,582	15,221	15,438	14,411	14,502		13,569
Impact of Adjustments
Assets:
Deferred policy acquisition costs			(61)	(45)	(50)	157	10	9	78
Loans to affiliates						(11)	0		(11)
Current and deferred income taxes			5	7	17	(71)	13	18	(9)
Total Assets			(65)	(38)	(33)	93	23	27	58
Amounts due from reinsurers			(9)
Liabilities:
Future policy benefits and other policyholders' liabilities			(53)	(20)	31	(97)	48	62	11
Total Liabilities			(53)	(20)	31	(97)	48	62	11
Equity:
Capital in excess of par value(1)						(9)	0		(11)	[1]
Retained earnings			(12)	(18)	(64)	194	(25)	(35)	35
Accumulated other comprehensive income (loss)						5	0		22
Total equity attributable to Holdings			(12)	(18)	(64)	190	(25)	(35)	46
Noncontrolling interest									1
Total Equity			(12)	(18)	(64)	190	(25)	(35)	47		(54)
Total Liabilities, redeemable noncontrolling interest and equity			(65)	(38)	(33)	93	23	27	58
Equity [Abstract]
Capital in excess of par value						(9)	0		(11)	[1]
Retained earnings			(12)	(18)	(64)	194	(25)	(35)	35
Accumulated other comprehensive income (loss)						5	0		22
Total equity attributable to Holdings			(12)	(18)	(64)	190	(25)	(35)	46
Total Equity			$ (12)	$ (18)	$ (64)	$ 190	$ (25)	$ (35)	$ 47		$ (54)
[1]	Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 stock split effected on April 24, 2018.

ORGANIZATION - Restatement Re_2

ORGANIZATION - Restatement Revision of Statements of Income (Loss) (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Revenues:
Policy charges and fee income		$ 951	$ 964	$ 966	$ 953	$ 939		$ 1,930	$ 1,857	$ 2,881	$ 2,810	$ 3,693	$ 3,729		$ 3,628
Premiums		269			267				558	823	825	1,124	1,083		1,070
Net derivative gains (losses)		(2,006)	(46)	(236)	(316)	(204)		(282)	548	(2,288)	232	214	(1,848)		(1,404)
Total revenues		1,083	2,966	2,874	2,806	2,844		5,840	6,732	6,923	9,538	12,460	11,763		10,043
Income (loss) from continuing operations, before income taxes		(618)	322	428	47	(147)		750	483	132	530	1,306	2,027		428
Benefits and other deductions:
Policyholders' benefits		318	900	594	1,077	1,091		1,494	2,823	1,812	3,900	4,366	3,342		3,501
Interest credited to Policyholder’s account balances		278			255	246			488	817	743	995	967		934
Amortization of deferred policy acquisition costs, net		(363)	15	10	23	(59)		25	(173)	(338)	(150)	(184)	82		(292)
Total benefits and other deductions		1,701	2,644	2,446	2,759	2,991		5,090	6,249	6,791	9,008	11,154	9,736		9,615
Income (loss) from operations, before income taxes		(618)	322	428	47	(147)		750	483	132	530	1,306	2,027		428
Income tax (expense) benefit		175	(61)	(91)	59	(37)	$ (21)	(152)	41	23	100	(49)	(378)		222
Net income (loss)		(443)	261	337	106	(184)		598	524	155	630	1,257	1,649		650
Less: Net (income) loss attributable to the noncontrolling interest		(53)			(96)					(273)	(279)	(423)	(395)		(325)
Net income (loss) attributable to Holdings	$ 1,254	(496)	164	214	10	(277)		378	341	(118)	351	834	1,254		325
Net income (loss)	$ 1,254	(496)	164	214	10	(277)		378	341	(118)	351	834	1,254		325
Other comprehensive income (loss)		$ (284)			$ (9)				603	$ (1,472)	594	832	(258)		(929)
As Previously Reported
Revenues:
Policy charges and fee income			987	972		956		1,959	1,891		2,853	3,733	3,759		3,648
Premiums									558		805		1,063		1,058
Net derivative gains (losses)			(73)	(281)		(235)		(354)	494		166	228	(1,720)		(1,393)
Total revenues			2,962	2,835		2,830		5,797	6,712		9,495	12,514	11,901		10,062
Income (loss) from continuing operations, before income taxes			314	370		(167)		684	447		308	1,314	1,924		447
Benefits and other deductions:
Policyholders' benefits			920	608		1,093		1,528	2,834		3,909	4,354	3,317		3,489
Interest credited to Policyholder’s account balances						246			488		794	1,108	1,102		956
Amortization of deferred policy acquisition costs, net			(1)	15		(55)		14	(168)		(31)	(239)	213		(302)
Total benefits and other deductions			2,648	2,465		2,997		5,113	6,265		9,187	11,200	9,977		9,615
Income (loss) from operations, before income taxes			314	370		(167)		684	447		308	1,314	1,924		447
Income tax (expense) benefit			(59)	(79)		(30)		(138)	54		163	(41)	(354)		212
Net income (loss)			255	291		(197)		546	501		471	1,273	1,570		659
Less: Net (income) loss attributable to the noncontrolling interest													(373)		(329)
Net income (loss) attributable to Holdings			158	168		(290)		326	318		192	850	1,197		330
Net income (loss)			158	168		(290)		326	318		192	850	1,197		330
Other comprehensive income (loss)									603		611		(281)		(929)
Impact of Adjustments
Revenues:
Policy charges and fee income			(23)	(6)		(17)		(29)	(34)		(43)	(40)	(30)	[1],[2]	(20)
Premiums									0		20		20	[1],[2]	12
Net derivative gains (losses)			27	45		31		72	54		66	(14)	(128)	[1],[2]	(11)
Total revenues			4	39		14		43	20		43	(54)	(138)	[1],[2]	(19)
Income (loss) from continuing operations, before income taxes			8	58		20		66	36		222	(8)	103	[1],[2]	(19)
Benefits and other deductions:
Policyholders' benefits			(20)	(14)		(2)		(34)	(11)		(9)	12	25	[1],[2]	12
Interest credited to Policyholder’s account balances						0			0		(51)	(113)	(135)	[1],[2]	(22)
Amortization of deferred policy acquisition costs, net			16	(5)		(4)		11	(5)		(119)	55	(131)	[1],[2]	10
Total benefits and other deductions			(4)	(19)		(6)		(23)	(16)		(179)	(46)	(241)	[1],[2]
Income (loss) from operations, before income taxes			8	58		20		66	36		222	(8)	103	[1],[2]	(19)
Income tax (expense) benefit			(2)	(12)		(7)		(14)	(13)		(63)	(8)	(24)	[1],[2]	10
Net income (loss)			6	46		13		52	23		159	(16)	79	[1],[2],[3]	(9)
Less: Net (income) loss attributable to the noncontrolling interest													(22)	[1],[2]	4
Net income (loss) attributable to Holdings			6	46		13		52	23		159	(16)	57	[1],[2]	(5)
Net income (loss)			$ 6	$ 46		$ 13		$ 52	23		159	$ (16)	57	[1],[2]	(5)
Other comprehensive income (loss)									$ 0		$ (17)		23	[1],[3]
Impact of Adjustments | Third Quarter Two Thousand And Eighteen [Member]
Revenues:
Income (loss) from continuing operations, before income taxes													(27)		(13)
Benefits and other deductions:
Income (loss) from operations, before income taxes													(27)		(13)
Net income (loss) attributable to Holdings													(18)		(8)
Net income (loss)													(18)		(8)
Other comprehensive income (loss)													$ (18)		$ (8)
[1]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[2]	Excludes expense of $7 million in securities sold under agreement to repurchase.
[3]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.

ORGANIZATION - Restatement Re_3

ORGANIZATION - Restatement Revision of Statements of Equity (Detail) - USD ($) $ in Millions	1 Months Ended		3 Months Ended						6 Months Ended			9 Months Ended			12 Months Ended
	Dec. 31, 2016		Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017		Jun. 30, 2018	Jun. 30, 2017		Sep. 30, 2018	Sep. 30, 2017		Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			$ 14,851	$ 16,582	$ 16,518	$ 15,413	$ 14,549		$ 16,518	$ 14,549		$ 16,518	$ 14,549		$ 14,549		$ 13,515
Other comprehensive income (loss)			(284)			(9)				603		(1,472)	594		832		(258)		$ (929)
Net income (loss) attributable to Holdings	$ 1,254		(496)	164	214	10	(277)		378	341		(118)	351		834		1,254		325
End of year	14,549		13,871	14,851	16,582	15,411	14,376		14,851	15,413		13,871	15,411		16,518		14,549		13,515
Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			12,601	12,437	12,225	11,732	11,391		12,225	11,391		12,225	11,391		11,391		10,137		9,812
Stockholder dividends												(88)	0				0		0
Net income (loss) attributable to Holdings					214		(277)		378	341		(118)	351		834		1,254		325
End of year	11,391		12,031	12,601	12,437	11,742	11,114		12,601	11,732		12,031	11,742		12,225		11,391		10,137
Parent
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			13,364	13,547	13,421	12,360	11,407		13,421	11,407		13,421	11,407		11,407		10,407
End of year	11,407		12,411	13,364	13,547	12,401	11,271		13,364	12,360		12,411	12,401		13,421		11,407		10,407
Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year					1,298	955	931	[1]	1,298	931	[1]	1,298	931	[1]	931	[1]	941	[1]	862	[1]
Other changes in noncontrolling interest										24		15	67		367		(10)		79
End of year	931	[1]	2,025			998				955		2,025	998		1,298		931	[1]	941	[1]
Other comprehensive income (loss) attributable to Holdings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year					(108)	(333)	(921)		(108)	(921)		(108)	(921)		(921)		(677)		238
Other comprehensive income (loss)			(284)			(12)				588		(1,487)	576		813		(244)		(915)
End of year	(921)		(1,595)			(345)				(333)		(1,595)	(345)		(108)		(921)		(677)
Noncontrolling Interest
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year					3,097		3,142		3,097	3,142		3,097	3,142		3,142		3,108		3,151
Other comprehensive income (loss)												15	18		19		(14)		(14)
Net income attributable to noncontrolling interest												251	237		370		369		325
Other changes in noncontrolling interest												(88)	(49)		35		101		101
End of year	3,142		1,460			3,010						1,460	3,010		3,097		3,142		3,108
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			14,863	16,600	16,582	15,438	14,502		16,582	14,502		16,582	14,502		14,502		13,569
Other comprehensive income (loss)										603			611				(281)		(929)
Net income (loss) attributable to Holdings				158	168		(290)		326	318			192		850		1,197		330
End of year	14,502			14,863	16,600	15,221	14,411		14,863	15,438			15,221		16,582		14,502		13,569
As Previously Reported | Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			12,613	12,455	12,289	11,757	11,439		12,289	11,439		12,289	11,439		11,439		10,159		9,829
Stockholder dividends																	0		0
Net income (loss) attributable to Holdings					168		(290)		326	318			192		850		1,197		330
End of year	11,439			12,613	12,455		11,149		12,613	11,757					12,289		11,439		10,159
As Previously Reported | Retained Earnings | Scenario, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year							11,356			11,356			11,356		11,356
End of year	11,356																11,356
As Previously Reported | Parent
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			13,376	13,565	13,485	12,385	11,361		13,485	11,361		13,485	11,361		11,361		10,440
End of year	11,361			13,376	13,565		11,306		13,376	12,385					13,485		11,361		10,440
As Previously Reported | Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year						955	942	[1]		942	[1]		942	[1]	942	[1]	952	[1]	873	[1]
Other changes in noncontrolling interest										24			65
End of year	942	[1]								955							942	[1]	952	[1]
As Previously Reported | Other comprehensive income (loss) attributable to Holdings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year						(333)	(943)			(943)			(943)		(943)		(677)
Other comprehensive income (loss)										588			593				(266)		(915)
End of year	(943)									(333)							(943)		(677)
As Previously Reported | Noncontrolling Interest
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year							3,141			3,141			3,141		3,141		3,129		3,168
Net income attributable to noncontrolling interest																	369		329
Other changes in noncontrolling interest																	79		101
End of year	3,141																3,141		3,129
Impact of Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			(12)	(18)	(64)	(25)	47		(64)	47		(64)	47		47		(54)
Other comprehensive income (loss)										0			(17)				23	[2],[3]
Net income (loss) attributable to Holdings				6	46		13		52	23			159		(16)		57	[2],[4]	(5)
End of year	47			(12)	(18)	190	(35)		(12)	(25)			190		(64)		47		(54)
Impact of Adjustments | Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			(12)	(18)	(64)	(25)	(48)		(64)	(48)		(64)	(48)		(48)		(22)		(17)
Stockholder dividends																	0		0
Net income (loss) attributable to Holdings					46		13		52	23			159		(16)		57		(5)
End of year	(48)			(12)	(18)		(35)		(12)	(25)					(64)		(48)		(22)
Impact of Adjustments | Retained Earnings | Scenario, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year							35			35			35		35
End of year	35																35
Impact of Adjustments | Parent
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year			$ (12)	(18)	(64)	(25)	46		(64)	46		$ (64)	46		46		(33)
Net income (loss) attributable to Holdings															1,647		1,010		(590)
End of year	46			$ (12)	$ (18)		(35)		$ (12)	(25)					(64)		46		(33)
Impact of Adjustments | Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year						0	(11)	[1]		(11)	[1]		(11)	[1]	(11)	[1]	(11)	[1]	(11)	[1]
Other changes in noncontrolling interest										0			2
End of year	(11)	[1]								0							(11)	[1]	(11)	[1]
Impact of Adjustments | Other comprehensive income (loss) attributable to Holdings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year						$ 0	22			22			22		22
Other comprehensive income (loss)										0			(17)				22
End of year	22									0							22
Impact of Adjustments | Noncontrolling Interest
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Beginning of year							$ 1			$ 1			$ 1		$ 1		(21)		(17)
Net income attributable to noncontrolling interest																			(4)
Other changes in noncontrolling interest																	22
End of year	$ 1																$ 1		$ (21)
[1]	Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 stock split effected on April 24, 2018.
[2]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[3]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.
[4]	Excludes expense of $7 million in securities sold under agreement to repurchase.

ORGANIZATION - Restatement Re_4

ORGANIZATION - Restatement Revision of Statements of Cash Flows (Detail) $ in Millions	Apr. 24, 2018	Sep. 30, 2018USD ($)	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Sep. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)		Dec. 31, 2015USD ($)
Consolidated Statement of Cash Flows: Cash flow from operating activities:
Net income (loss)		$ (443)	$ 261	$ 337	$ 106	$ (184)	$ 598	$ 524	$ 155	$ 630	$ 1,257	$ 1,649		$ 650
Policy charges and fee income		(951)	(964)	(966)	(953)	(939)	(1,930)	(1,857)	(2,881)	(2,810)	(3,693)	(3,729)		(3,628)
Interest credited to policyholders' account balances		278			255	246		488	817	743	995	967		934
Net derivative (gains) loss		$ 2,006	46	236	$ 316	204	282	(548)	2,288	(232)	(214)	1,848		1,404
Deferred policy acquisition costs				10		(59)	25	(173)	(338)	(150)	(184)	82		(292)
Changes in:
Future policy benefits				(268)		294	(205)	1,505	(620)	1,587	1,599	272		668
Deferred policy acquisition costs				10		(59)	25	(173)	(338)	(150)	(184)	82		(292)
Current and deferred income taxes				115		259	238	136	249	498	767	(217)		(168)
Net cash provided by (used in) operating activities				(264)		72	(314)	666	$ (33)	1,044	1,021	(236)		(192)
Stock split ratio	459.4752645
Scenario, Forecast
Changes in:
Stock split ratio	4.594752645
As Previously Reported
Consolidated Statement of Cash Flows: Cash flow from operating activities:
Net income (loss)			255	291		(197)	546	501		471	1,273	1,570		659
Policy charges and fee income			(987)	(972)		(956)	(1,959)	(1,891)		(2,853)	(3,733)	(3,759)		(3,648)
Interest credited to policyholders' account balances						246		488		794	1,108	1,102		956
Net derivative (gains) loss			73	281		235	354	(494)		(166)	(228)	1,720		1,393
Deferred policy acquisition costs				15		(55)	14	(168)		(31)	(239)	213		(302)
Changes in:
Future policy benefits				(254)		296	(171)	1,516		1,616	1,587	266		669
Deferred policy acquisition costs				15		(55)	14	(168)		(31)	(239)	213		(302)
Current and deferred income taxes				103		252	224	123		435	759	(240)		(159)
Net cash provided by (used in) operating activities				(264)		72	(314)	666		1,044	1,021	(236)		(192)
Impact of Adjustments
Consolidated Statement of Cash Flows: Cash flow from operating activities:
Net income (loss)			6	46		13	52	23		159	(16)	79	[1],[2],[3]	(9)
Policy charges and fee income			23	6		17	29	34		43	40	30	[1],[2]	20
Interest credited to policyholders' account balances						0		0		(51)	(113)	(135)	[1],[2]	(22)
Net derivative (gains) loss			$ (27)	(45)		(31)	(72)	(54)		(66)	14	128	[1],[2]	11
Deferred policy acquisition costs				(5)		(4)	11	(5)		(119)	55	(131)		10
Changes in:
Future policy benefits				(14)		(2)	(34)	(11)		(29)	12	6		(1)
Deferred policy acquisition costs				(5)		(4)	11	(5)		(119)	55	(131)		10
Current and deferred income taxes				12		7	14	13		63	8	23		$ (9)
Net cash provided by (used in) operating activities				$ 0		$ 0	$ 0	$ 0		$ 0	$ 0	$ 0
[1]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[2]	Excludes expense of $7 million in securities sold under agreement to repurchase.
[3]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.

SIGNIFICANT ACCOUNTING POLICI_4

SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) $ / shares in Units, JointVentureProperty in Millions, JointVenture in Millions	Apr. 24, 2018USD ($)$ / sharesshares	Dec. 31, 2017USD ($)$ / sharesshares	Sep. 30, 2018USD ($)$ / sharesshares	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)$ / sharesshares	Sep. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Sep. 30, 2018USD ($)$ / sharesshares	Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)JointVenturePropertyJointVenture$ / sharesshares	Dec. 31, 2016USD ($)JointVenture$ / shares	Dec. 31, 2015USD ($)	Dec. 31, 2014
Summary Of Significant Accounting Policy [Line Items]
common stock, shares authorized | shares	2,000,000,000	2,000,000,000	2,000,000,000			2,000,000,000					2,000,000,000		2,000,000,000
Issuance of common stock, par value | $ / shares	$ 0.01	$ 0.01	$ 0.01			$ 0.01					$ 0.01		$ 0.01	$ 0.01
Share issued | shares	561,000,000	561,000,000	561,000,000			561,000,000					561,000,000		561,000,000
Share outstanding	$ 561,000,000
Stock split ratio, description	459.4752645-for-1 common stock split
Stock split ratio	459.4752645
Goodwill impairment						$ 369,000,000					$ 0	$ 370,000,000	$ 369,000,000
Equity investments		$ 47,131,000,000	$ 43,779,000,000			47,131,000,000					43,779,000,000		47,131,000,000	$ 41,992,000,000
Pre-tax cumulative effect adjustment to opening equity													35,000,000
Nonaccrual mortgage loans		$ 19,000,000				$ 19,000,000							$ 19,000,000	34,000,000	$ 72,000,000
Average gross short-term and long-term annual return estimate (as a percent)		7.00%				7.00%							7.00%
Net short-term and long-term annual return estimate (as a percent)		4.70%				4.70%							4.70%
Term of rate limitations (in years)													5 years
Future benefits assumption, description													If actual market returns continue at levels that would result in assuming future market returns of 15.0% for more than five years in order to reach the average gross long-term return estimate, the application of the five year maximum duration limitation would result in an acceleration of DAC amortization. Conversely, actual market returns resulting in assumed future market returns of 0.0% for more than five years would result in a required deceleration of DAC amortization.
Average life of assumed investment yields		7 years
Investments		$ 81,782,000,000	78,942,000,000			$ 81,782,000,000					78,942,000,000		$ 81,782,000,000	72,318,000,000
Nonconsolidated, assets and liabilities, net		160,186,000,000				160,186,000,000							160,186,000,000
Variable interest entity, maximum loss exposure		1,131,000,000				1,131,000,000							1,131,000,000
Unfunded commitments		734,000,000				734,000,000							734,000,000
Total assets		393,000,000				393,000,000							$ 393,000,000	36,000,000
Number of Consolidated joint venture | JointVentureProperty													3
Real estate held for production of income		372,000,000				372,000,000							$ 372,000,000	36,000,000
Total liabilities		229,000,000				229,000,000							229,000,000	11,000,000
Long term debt		203,000,000				203,000,000							203,000,000	0
Consolidated Balance Sheet Asset		235,615,000,000	234,451,000,000	$ 230,947,000,000	$ 232,256,000,000	235,615,000,000	$ 230,918,000,000	$ 223,591,000,000	$ 230,947,000,000	$ 226,712,000,000	234,451,000,000	230,918,000,000	235,615,000,000	216,645,000,000
Consolidated balance liabilities		235,615,000,000	234,451,000,000	230,947,000,000	232,256,000,000	235,615,000,000	230,918,000,000	223,591,000,000	230,947,000,000	226,712,000,000	234,451,000,000	230,918,000,000	235,615,000,000	216,645,000,000
Policyholders' benefits			318,000,000	$ 900,000,000	$ 594,000,000		$ 1,077,000,000	$ 1,091,000,000	$ 1,494,000,000	$ 2,823,000,000	1,812,000,000	$ 3,900,000,000	4,366,000,000	3,342,000,000	3,501,000,000
Deferred policy acquisition costs, amortization expense													(503,000,000)	(779,000,000)
Cash Surrender Value
Summary Of Significant Accounting Policy [Line Items]
Corporate owned life insurance (COLI)		$ 918,000,000				$ 918,000,000							$ 918,000,000	889,000,000	$ 891,000,000
Minimum
Summary Of Significant Accounting Policy [Line Items]
Gross short-term annual rate of return limitations (as a percent)		0.00%				0.00%							0.00%
Net short-term annual rate of return limitations (as a percent)		(2.30%)				(2.30%)							(2.30%)
Average rate of assumed investment yields		4.30%
Useful lives , intangible assets													6 years
Minimum | Real Estate
Summary Of Significant Accounting Policy [Line Items]
Property, plant and equipment usefull life													40 years
Maximum
Summary Of Significant Accounting Policy [Line Items]
Gross short-term annual rate of return limitations (as a percent)		15.00%				15.00%							15.00%
Net short-term annual rate of return limitations (as a percent)		12.70%				12.70%							12.70%
Average rate of assumed investment yields		4.70%
Useful lives , intangible assets													20 years
Maximum | Real Estate
Summary Of Significant Accounting Policy [Line Items]
Property, plant and equipment usefull life													50 years
Internal Use Software | Minimum
Summary Of Significant Accounting Policy [Line Items]
Useful lives , intangible assets													3 years
Internal Use Software | Maximum
Summary Of Significant Accounting Policy [Line Items]
Useful lives , intangible assets													5 years
Life Insurance Liabilities
Summary Of Significant Accounting Policy [Line Items]
Interest rates		5.10%				5.10%							5.10%
Life Insurance Liabilities | Minimum
Summary Of Significant Accounting Policy [Line Items]
Interest rates		5.00%				5.00%							5.00%
Life Insurance Liabilities | Maximum
Summary Of Significant Accounting Policy [Line Items]
Interest rates		6.30%				6.30%							6.30%
Annuity Liabilities
Summary Of Significant Accounting Policy [Line Items]
Interest rates		4.20%				4.20%							4.20%
Annuity Liabilities | Minimum
Summary Of Significant Accounting Policy [Line Items]
Interest rates		1.60%				1.60%							1.60%
Annuity Liabilities | Maximum
Summary Of Significant Accounting Policy [Line Items]
Interest rates		5.50%				5.50%							5.50%
Non - consolidated Joint Venture
Summary Of Significant Accounting Policy [Line Items]
Ownership interest		95.00%				95.00%							95.00%
Ownership interest													5.00%
Real estate held for production of income		$ 18,000,000				$ 18,000,000							$ 18,000,000	$ 20,000,000
Number of joint venture | JointVenture													2	2
Variable Interest Entity, Primary Beneficiary
Summary Of Significant Accounting Policy [Line Items]
Total assets			202,000,000								202,000,000
Total liabilities			6,000,000								6,000,000
Consolidated Assets		1,550,000,000				1,550,000,000							$ 1,550,000,000
Consolidated Liablities		696,000,000				696,000,000							696,000,000
Redeemable Non-Controlling Interest		596,000,000				596,000,000							596,000,000
Total investment management and service fees
Summary Of Significant Accounting Policy [Line Items]
Variable interest entity, maximum loss exposure		7,900,000				7,900,000							7,900,000
Variable interest entity, nonconsolidated net assets		53,600,000,000				53,600,000,000							53,600,000,000
VISL
Summary Of Significant Accounting Policy [Line Items]
Amortisation of DAC															7.00%
Amortisation of DAC															9.00%
Other Assets | Voting Interest Entities
Summary Of Significant Accounting Policy [Line Items]
Consolidated Balance Sheet Asset		58,000,000				58,000,000							58,000,000
Other liabilities | Voting Interest Entities
Summary Of Significant Accounting Policy [Line Items]
Consolidated balance liabilities		2,000,000				2,000,000							2,000,000
Other | Voting Interest Entities
Summary Of Significant Accounting Policy [Line Items]
Consolidated balance liabilities		0				0							0
Separate Accounts' assets
Summary Of Significant Accounting Policy [Line Items]
Gain (loss) of investments													17,042,000,000	$ 8,275,000,000	$ (1,160,000,000)
Equity securities
Summary Of Significant Accounting Policy [Line Items]
Equity investments		190,000,000	0			190,000,000					$ 0		190,000,000	113,000,000
Accounting Standards Update 2017-04
Summary Of Significant Accounting Policy [Line Items]
Goodwill impairment													369,000,000
Equity
Summary Of Significant Accounting Policy [Line Items]
Investments		$ 1,131,000,000				$ 1,131,000,000							$ 1,131,000,000
ABLP | New York City
Summary Of Significant Accounting Policy [Line Items]
Unincorporated business tax													4.00%
AB | Domestic Tax Authority
Summary Of Significant Accounting Policy [Line Items]
Tax on partnership gross income													3.50%
Long-term Lapses Partial Withdrawal Rates And Election Assumptions Updates
Summary Of Significant Accounting Policy [Line Items]
Policyholders' benefits			(673,000,000)										$ 277,000,000	117,000,000
Deferred policy acquisition costs, amortization expense			$ (286,000,000)										112,000,000	201,000,000
Policy Charges and fee income													85,000,000	54,000,000
Increase decrease in income from continuing operations													462,000,000	30,000,000	982,000,000
Net income (loss)													711,000,000	$ 20,000,000	1,511,000,000
Policy Charges and fee income															34,000,000
Long-term Lapses Partial Withdrawal Rates And Election Assumptions Updates | VISL
Summary Of Significant Accounting Policy [Line Items]
Increase in GMIB Reserve															29,000,000
Long-term Lapses Partial Withdrawal Rates And Election Assumptions Updates | GMxB derivative features' liability
Summary Of Significant Accounting Policy [Line Items]
Liabilities of consolidated VIEs/VOEs															887,000,000
Long-term Lapses Partial Withdrawal Rates And Election Assumptions Updates | GMIB reinsurance contract asset
Summary Of Significant Accounting Policy [Line Items]
Increase in GMIB Reserve															328,000,000
Long-term Lapses Partial Withdrawal Rates And Election Assumptions Updates | AXA Equitable Life
Summary Of Significant Accounting Policy [Line Items]
Increase decrease in income from continuing operations															$ 73,000,000
Update RTM Assumptions
Summary Of Significant Accounting Policy [Line Items]
RTM assumption, percentage															7.00%	9.00%
GMIB
Summary Of Significant Accounting Policy [Line Items]
Increase (decrease) in fair value of reinsurance contracts													504,000,000		$ 407,000,000
Increase (decrease) in fair value of policy liability													$ 457,000,000

INVESTMENTS - Available For Sal

INVESTMENTS - Available For Sale Securities (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 44,574	$ 45,256	$ 41,445
Gross Unrealized Gains	656	2,199	1,600
Gross Unrealized Losses	1,451	324	1,053
Fixed maturities, available-for-sale	43,779	47,131	41,992
OTTI in AOCI	2	2	11
Amortized Cost
Due in one year or less	2,182	1,651
Due in years two through five	9,092	10,350
Due in years six through ten	15,022	13,638
Due after ten years	16,940	17,417
Subtotal	43,236	43,056
Total	44,574	45,068
Fair Value
Due in one year or less	2,192	1,668
Due in years two through five	9,142	10,649
Due in years six through ten	14,680	13,852
Due after ten years	16,400	18,693
Subtotal	42,414	44,862
Total	43,779	46,941
Corporate
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	28,327	17,181	15,930
Gross Unrealized Gains	416	806	767
Gross Unrealized Losses	693	33	102
Fixed maturities, available-for-sale	28,050	17,954	16,595
OTTI in AOCI	0	0
Private Corporate
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		7,299	7,133
Gross Unrealized Gains		225	221
Gross Unrealized Losses		32	57
Fixed maturities, available-for-sale		7,492	7,297
U.S. Treasury, government and agency
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	14,052	17,759	15,187
Gross Unrealized Gains	137	1,000	405
Gross Unrealized Losses	732	251	756
Fixed maturities, available-for-sale	13,457	18,508	14,836
OTTI in AOCI	0	0
States and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	417	422	441
Gross Unrealized Gains	43	67	64
Gross Unrealized Losses	1	0	2
Fixed maturities, available-for-sale	459	489	503
OTTI in AOCI	0	0
Foreign governments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	440	395	384
Gross Unrealized Gains	18	29	30
Gross Unrealized Losses	10	5	14
Fixed maturities, available-for-sale	448	419	400
OTTI in AOCI	0	0
Commercial Mortgage- backed
Debt Securities, Available-for-sale [Line Items]
Amortized Cost			472
Gross Unrealized Gains			31
Gross Unrealized Losses			108
Fixed maturities, available-for-sale			395
OTTI in AOCI			8
Residential mortgage-backed
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	234	797	980	[1],[2]
Gross Unrealized Gains	9	22	27	[1],[2]
Gross Unrealized Losses	1	1	2	[1],[2]
Fixed maturities, available-for-sale	242	818	1,005	[1],[2]
OTTI in AOCI	0	0
Amortized Cost
Without single maturity date	234	797
Fair Value
Without single maturity date	242	818
Asset- backed
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	624	745	273	[3]
Gross Unrealized Gains	2	5	10	[3]
Gross Unrealized Losses	6	1	1	[3]
Fixed maturities, available-for-sale	620	749	282	[3]
OTTI in AOCI	2	2	3	[3]
Amortized Cost
Without single maturity date	624	745
Fair Value
Without single maturity date	620	749
Redeemable preferred stock
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	480	470	532
Gross Unrealized Gains	31	43	45
Gross Unrealized Losses	8	1	11
Fixed maturities, available-for-sale	503	512	566
OTTI in AOCI	0	0
Amortized Cost
Without single maturity date	480	470
Fair Value
Without single maturity date	503	512
Fixed Maturities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	44,574	45,068	41,332
Gross Unrealized Gains	656	2,197	1,600
Gross Unrealized Losses	1,451	324	1,053
Fixed maturities, available-for-sale	43,779	46,941	41,879
OTTI in AOCI	2	2	11
Amortized Cost
Total	44,574	45,068	41,332
Equity securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	0	188	113
Gross Unrealized Gains	0	2
Gross Unrealized Losses	0	0
Fixed maturities, available-for-sale	0	190	$ 113
OTTI in AOCI	$ 0	$ 0
[1]	Amounts represent OTTI losses in AOCI, which were not included in income (loss) in accordance with current accounting guidance.
[2]	Includes publicly traded agency pass-through securities and collateralized obligations.
[3]	Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans.

INVESTMENTS - Credit Loss Impai

INVESTMENTS - Credit Loss Impairments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Proceeds from sales	$ 1,030	$ 1,311	$ 6,054	$ 1,896	$ 8,213	$ 5,036		$ 1,225
Gross gains on sales	6	4	178	40	107	212		44
Gross losses on sales	(31)	(10)	(119)	(41)	(259)	(60)		(8)
Total OTTI	(4)	(1)	(4)	(15)	(15)	(68)		(42)
Non-credit losses recognized in OCI	0	0	0	0	0	0		0
Credit losses recognized in net income (loss)	(4)	(1)	(4)	(15)	(15)	(68)		(42)
Fixed Maturities - Credit Loss Impairments
Balances, beginning of period	17	144	18	239	239	(274)
Previously recognized impairments on securities that matured, paid, prepaid or sold	0	(31)	(1)	(140)	236	103
Recognized impairments on securities impaired to fair value this period	0	0	0	0		(17)	[1]
Impairments recognized this period on securities not previously impaired	4	0	4	14	(14)	(49)
Additional impairments this period on securities previously impaired	0	0	0	0	(1)	(2)
Increases due to passage of time on previously recorded credit losses	0	0	0	0	0	0
Accretion of previously recognized impairments due to increases in expected cash flows	0	0	0	0	0	0
Balances, end of period	$ 21	$ 113	21	113	18	239		$ (274)
Previously Reported [Member]
Fixed Maturities - Credit Loss Impairments
Balances, beginning of period			$ (18)	$ (239)	(239)
Balances, end of period					$ (18)	$ (239)
[1]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.

INVESTMENTS - Net Unrealized In

INVESTMENTS - Net Unrealized Investments (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017		Dec. 31, 2016
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
DAC						$ 314		$ (84)
Equity securities
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year				$ 2
Balance, end of period						2
Net Unrealized Gains (Losses) On Investments
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year				1,875	$ 547	547
Balance, end of period		$ (795)		(795)		1,875		547
Net Unrealized Gains (Losses) On Investments | Unrealized Investment Gains Losses With OTTI Losses
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		2	$ (17)	2	19	19		21
Net investment gains (losses) arising during the period		(1)	(8)	0	(10)	(18)		(17)
Excluded from Net income (loss)		0	0	0	0	0		0	[1]
Balance, end of period		1	(11)	1	(11)	2		19
Net Unrealized Gains (Losses) On Investments | Unrealized Investment Gains Losses With OTTI Losses | Fixed Maturities
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year				2
Included in Net income (loss)		0	(14)	1	20	1		15
Balance, end of period		1		1		2
Net Unrealized Gains (Losses) On Investments | Unrealized Investment Gains Losses All Other
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		(268)	1,432	1,871	528	528		962
Net investment gains (losses) arising during the period		(564)	4	(2,613)	854	1,329		(335)
Excluded from Net income (loss)		0	0	0	0	0	[2]	0	[2]
Balance, end of period		(796)	1,447	(796)	1,447	1,871		528
Net Unrealized Gains (Losses) On Investments | Unrealized Investment Gains Losses All Other | Equity securities
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year				2
Balance, end of period		0		0		2
Net Unrealized Gains (Losses) On Investments | Unrealized Investment Gains Losses All Other | Fixed Maturities
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year				1,871
Included in Net income (loss)		(36)	(11)	54	(64)	14		(99)
Balance, end of period		(796)		(796)		1,871
DAC | Unrealized Investment Gains Losses With OTTI Losses
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		0	2	0	1	1
Excluded from Net income (loss)						0		0	[1]
DAC		0	0	0	(1)	(1)		1
Balance, end of period		0	2	0	2	0		1
DAC | Unrealized Investment Gains Losses All Other
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		34	(140)	(358)	(45)	(45)		(128)
Excluded from Net income (loss)	[2]					0		0
DAC		(89)	47	(481)	142	(313)		83
Balance, end of period		123	(187)	123	(187)	(358)		(45)
Policyholders Liabilities | Unrealized Investment Gains Losses With OTTI Losses
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		1	1	(1)	(10)	(10)		(4)
Excluded from Net income (loss)						0		0	[1]
Impact of net unrealized investment gains (losses) on policyholders liabilities		(1)	(1)	1	10	9		(6)
Balance, end of period		0	0	0	0	(1)		(10)
Policyholders Liabilities | Unrealized Investment Gains Losses All Other
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		(132)	(204)	(238)	(192)	(192)		(226)
Excluded from Net income (loss)	[2]					0		0
Impact of net unrealized investment gains (losses) on policyholders liabilities		(54)	(28)	52	(40)	(46)		34
Balance, end of period		(186)	(232)	(186)	(232)	(238)		(192)
Deferred Income Tax Asset Liability | Unrealized Investment Gains Losses With OTTI Losses
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		(1)	4	0	(4)	(4)		(6)
Excluded from Net income (loss)						0		0	[1]
Impact of net unrealized investment gains (losses) on Deferred income taxes		1	(1)	0	7	4		2
Balance, end of period		0	3	0	3	0		(4)
Deferred Income Tax Asset Liability | Unrealized Investment Gains Losses All Other
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		(52)	(381)	(397)	(102)	(102)		(213)
Excluded from Net income (loss)	[2]					0		0
Impact of net unrealized investment gains (losses) on Deferred income taxes		104	21	449	(258)	(295)		(111)
Balance, end of period		52	(360)	52	(360)	(397)		(102)
AOCI Gain Losses Related to Net Unrealized Investment Gains Losses | Unrealized Investment Gains Losses With OTTI Losses
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		2	(10)	1	6	6		11
Net investment gains (losses) arising during the period		(1)	(8)	0	(10)	(18)		(17)
Excluded from Net income (loss)		0	0	0	0	0		0	[1]
DAC		0	0	0	(1)	(1)		1
Impact of net unrealized investment gains (losses) on Deferred income taxes		1	(1)	0	7	4		2
Impact of net unrealized investment gains (losses) on policyholders liabilities		(1)	(1)	1	10	9		(6)
Balance, end of period		1	(6)	1	(6)	1		6
AOCI Gain Losses Related to Net Unrealized Investment Gains Losses | Unrealized Investment Gains Losses With OTTI Losses | Fixed Maturities
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Included in Net income (loss)		0	(14)	1	20	1		15
AOCI Gain Losses Related to Net Unrealized Investment Gains Losses | Unrealized Investment Gains Losses All Other
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Balance, beginning of year		(418)	707	(878)	(189)	(189)		395
Net investment gains (losses) arising during the period		(564)	4	(2,613)	854	1,329		(335)
Excluded from Net income (loss)		0	0	0	0	0	[2]	0	[2]
DAC		(89)	47	(481)	142	(313)		83
Impact of net unrealized investment gains (losses) on Deferred income taxes		104	21	449	(258)	(295)		(111)
Impact of net unrealized investment gains (losses) on policyholders liabilities		(54)	(28)	52	(40)	(46)		34
Balance, end of period		(807)	668	(807)	668	(878)		(189)
AOCI Gain Losses Related to Net Unrealized Investment Gains Losses | Unrealized Investment Gains Losses All Other | Fixed Maturities
Net Unrealized Investment Gains Losses Recognized In Aoci Roll Forward [Abstract]
Included in Net income (loss)		$ (36)	$ (11)	$ 54	$ (64)	$ 14		$ (99)
[1]	Represents "transfers in" related to the portion of OTTI losses recognized during the period that were not recognized in income (loss) for securities with no prior OTTI loss.
[2]	Represents "transfers out" related to the portion of OTTI losses during the period that were not recognized in income (loss) for securities with no prior OTTI loss.

INVESTMENTS - Gross Unrealized

INVESTMENTS - Gross Unrealized Losses (Detail) $ in Millions	Sep. 30, 2018USD ($)Security	Dec. 31, 2017USD ($)Security	Dec. 31, 2016USD ($)Security
Investments, Debt and Equity Securities [Abstract]
Number of fixed maturities in an unrealized loss position greater than 12 months | Security	1,692	752	884
Less Than 12 Months, Fair Value	$ 19,409	$ 5,739	$ 13,147
Less Than 12 Months, Gross Unrealized Losses	735	30	911
Greater than 12 Months, Fair Value	6,585	6,011	735
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	716	294	142
Total, Fair Value	25,994	11,750	13,882
Total, Gross Unrealized Losses	1,451	324	1,053
Corporate
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	14,535	2,123	3,466
Less Than 12 Months, Gross Unrealized Losses	539	15	95
Greater than 12 Months, Fair Value	2,672	690	150
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	154	18	7
Total, Fair Value	17,207	2,813	3,616
Total, Gross Unrealized Losses	693	33	102
Private Corporate
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value		780	1,548
Less Than 12 Months, Gross Unrealized Losses		8	39
Greater than 12 Months, Fair Value		641	283
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss		24	18
Total, Fair Value		1,421	1,831
Total, Gross Unrealized Losses		32	57
U.S. Treasury, government and agency
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	4,449	2,718	7,290
Less Than 12 Months, Gross Unrealized Losses	180	6	756
Greater than 12 Months, Fair Value	3,822	4,506
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	552	245
Total, Fair Value	8,271	7,224	7,290
Total, Gross Unrealized Losses	732	251	756
States and political subdivisions
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	19	20
Less Than 12 Months, Gross Unrealized Losses	1	0
Greater than 12 Months, Fair Value	0	0	18
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	0	0	2
Total, Fair Value	19	20	18
Total, Gross Unrealized Losses	1	0	2
Foreign governments
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	68	11	73
Less Than 12 Months, Gross Unrealized Losses	2	0	3
Greater than 12 Months, Fair Value	73	73	49
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	8	5	11
Total, Fair Value	141	84	122
Total, Gross Unrealized Losses	10	5	14
Commercial Mortgage- backed
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value			68
Less Than 12 Months, Gross Unrealized Losses			6
Greater than 12 Months, Fair Value			180
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss			102
Total, Fair Value			248
Total, Gross Unrealized Losses			108
Residential mortgage-backed
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	34	62	347
Less Than 12 Months, Gross Unrealized Losses	1	0	2
Greater than 12 Months, Fair Value	0	76	35
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	0	1
Total, Fair Value	34	138	382
Total, Gross Unrealized Losses	1	1	2
Asset- backed
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	120	15	128
Less Than 12 Months, Gross Unrealized Losses	5	1
Greater than 12 Months, Fair Value	6	12	8
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	1	0	1
Total, Fair Value	126	27	136
Total, Gross Unrealized Losses	6	1	1
Redeemable preferred stock
Investments, Debt and Equity Securities [Abstract]
Less Than 12 Months, Fair Value	184	10	227
Less Than 12 Months, Gross Unrealized Losses	7	0	10
Greater than 12 Months, Fair Value	12	13	12
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss	1	1	1
Total, Fair Value	196	23	239
Total, Gross Unrealized Losses	$ 8	$ 1	$ 11

INVESTMENTS - Narrative (Detail

INVESTMENTS - Narrative (Detail)	Jan. 03, 2017USD ($)	Mar. 31, 2018USD ($)JointVenture	Dec. 31, 2016USD ($)		May 31, 2016USD ($)	Jan. 31, 2016USD ($)	Sep. 30, 2018USD ($)		Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Sep. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Sep. 30, 2018USD ($)		Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)		Dec. 31, 2016USD ($)		Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Debt securities exposure in single issuer greater than stated percentage of total investments							0.80%								0.80%			0.80%
Debt securities exposure in single issuer of total investments			$ 173,000,000															$ 207,000,000		$ 173,000,000
Available-for-sale securities, amortized cost basis			41,445,000,000				$ 44,574,000,000								$ 44,574,000,000			45,256,000,000		41,445,000,000
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss			142,000,000				716,000,000								716,000,000			294,000,000		142,000,000
Available for sale securities continuous non-income producing position 12 months							3,000,000								3,000,000			3,000,000
Trading securities, at fair value			12,085,000,000				14,993,000,000								14,993,000,000			14,170,000,000		12,085,000,000
fair value of collateralized borrowing under repurchase agreement			1,446,000,000															0		1,446,000,000
Separate account equity investment carrying value			64,000,000				52,000,000								52,000,000			50,000,000		64,000,000
Proceeds from sales of business, affiliate and productive assets		$ 143,000,000			$ 825,000,000	$ 1,900,000,000
Pre-tax loss on sale of interest in consolidated real estate joint venture					$ 457,000,000	$ 1,400,000,000
Other equity investments			1,345,000,000	[1]			1,387,000,000	[2]							1,387,000,000	[2]		1,392,000,000	[1]	1,345,000,000	[1]
Net income (loss) attributable to Holdings			1,254,000,000				(496,000,000)		$ 164,000,000	$ 214,000,000	$ 10,000,000	$ (277,000,000)	$ 378,000,000	$ 341,000,000	(118,000,000)		$ 351,000,000	834,000,000		1,254,000,000		$ 325,000,000
Net derivative investment gains (loss)							(2,006,000,000)		(46,000,000)	(236,000,000)	(316,000,000)	(204,000,000)	(282,000,000)	548,000,000	(2,288,000,000)		232,000,000	214,000,000		(1,848,000,000)		(1,404,000,000)
Cash and securities collateral for derivative contract			740,000,000				2,189,000,000								2,189,000,000			2,123,000,000		740,000,000
Cash and securities collateral			868,000,000				65,000,000								65,000,000			4,000,000		868,000,000
Collateralized Derivative			747,000,000															2,000,000		747,000,000
Gross Derivative Assets	$ (18,000,000)
Gross Derivative Liabilities	$ (4,000,000)
Securities sold under agreements to repurchase			3,593,000,000				1,900,000,000								1,900,000,000			1,887,000,000		3,593,000,000
Interest credited to policyholders’ account balances							278,000,000				255,000,000	246,000,000		488,000,000	817,000,000		743,000,000	995,000,000		967,000,000		934,000,000
Investment expenses							13,000,000				$ 12,000,000				51,000,000		41,000,000	72,000,000		79,000,000		139,000,000
Number of real estate joint ventures sold | JointVenture		2
Other accrued liabilities, current			7,000,000				9,000,000								9,000,000			5,000,000		7,000,000
Previously Reported [Member]
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Net income (loss) attributable to Holdings									158,000,000	168,000,000		(290,000,000)	326,000,000	318,000,000			192,000,000	850,000,000		1,197,000,000		330,000,000
Net derivative investment gains (loss)									$ (73,000,000)	$ (281,000,000)		(235,000,000)	$ (354,000,000)	494,000,000			166,000,000	228,000,000		(1,720,000,000)		(1,393,000,000)
Interest credited to policyholders’ account balances												$ 246,000,000		$ 488,000,000			$ 794,000,000	1,108,000,000		1,102,000,000		956,000,000
S&P 500, Russell 1000, NASDAQ 100 and Emerging Market Indices
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Exchange-traded future contract, initial margin requirement							226,000,000								226,000,000			208,000,000
US Treasury Notes and Euro Dollar
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Exchange-traded future contract, initial margin requirement							55,000,000								55,000,000			40,000,000
Euro Stoxx, FTSE100, EAFE And Topix Indices
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Exchange-traded future contract, initial margin requirement							21,000,000								21,000,000			25,000,000
Policy Benefits For Life And Annuity Contracts
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Interest credited to policyholders’ account balances																		3,000,000		4,000,000		4,000,000
Equity Method Investee
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Other equity investments			1,133															1,114		1,133
Net income (loss) attributable to Holdings																		154		50
Troubled Debt Restructuring
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Amortized Cost																		0		15,000,000
Gross Interest Income loans																		0		0		1,000,000
Net Realized Trading Gains Losses On Closed Contracts
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Net derivative investment gains (loss)																		(2,206,000,000)		(482,000,000)		(483,000,000)
Realized Gain loss on Contracts																		1,937,000,000		(655,000,000)		(752,000,000)
US Treasury Securities [Member]
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Transfer of financial assets accounted for as sales, fair value of derecognized assets																		3,796,000,000
Transfer of financial assets accounted for as sales, cash proceeds received for assets derecognized, amount																		3,905,000,000
Credit Default Swaps
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Transfer of financial assets accounted for as sales, fair value of derecognized assets																		(23,000,000)
Fixed Maturities
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Available-for-sale securities, amortized cost basis			41,332,000,000				44,574,000,000								44,574,000,000			45,068,000,000		41,332,000,000
Corporate
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Debt securities exposure in single issuer of total investments							213,000,000								213,000,000			207,000,000
Available-for-sale securities, amortized cost basis			15,930,000,000				28,327,000,000								28,327,000,000			17,181,000,000		15,930,000,000
Available-for-sale securities, continuous unrealized loss position, 12 months or longer accumulated loss			7,000,000				154,000,000								154,000,000			18,000,000		7,000,000
US Treasury Bond Securities [Member]
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Unrealized gain (loss) on derivatives																		(86,000,000)		(97,000,000)
Other Than Investment Grade
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Available-for-sale securities, amortized cost basis other than investment grade			$ 1,661,000,000				$ 1,314,000,000								$ 1,314,000,000			$ 1,372,000,000		$ 1,661,000,000
Percentage of available for sale securities			4.00%				2.90%								2.90%			3.00%		4.00%
Other Than Investment Grade | Previously Reported [Member]
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Percentage of available for sale securities																		3.00%
Other Than Investment Grade | Fixed Maturities
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Available-for-sale securities, gross unrealized loss															$ 11,000,000					$ (60,000,000)
Available-for-sale securities, gross unrealized gains																		$ 5,000,000
Agricultural Mortgage Loans
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Financing receivable, allowance for credit losses							$ 0								0
Commercial Mortgage Loans
Available For Sale Securities Continuous Unrealized Loss Position [Line Items]
Financing receivable, recorded investment, nonaccrual status							$ 19,000,000								$ 19,000,000			19,000,000
Financing receivable, allowance for credit losses			$ 8,000,000															$ 8,000,000		$ 8,000,000		$ 6,000,000	$ 37,000,000
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.

INVESTMENTS - Valuation Allowan

INVESTMENTS - Valuation Allowance For Mortgage Loans (Detail) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015
Allowance for credit losses:
Mortgage loans on real estate, valuation allowances					$ 7	$ 8		$ 8
Commercial Mortgage Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, allowance for credit losses	$ 8	$ 8	$ 6	$ 37		8		8	$ 6
Allowance for credit losses:
Beginning balance, January 1,	8	8	6	37
Charge-offs				(32)
Recoveries			(2)	(1)
Provision			4	2
Ending balance			8	6
Mortgage loans on real estate, valuation allowances						8		8	6
Agricultural Mortgage Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, allowance for credit losses	0	0	0	0		0		0	$ 0
Allowance for credit losses:
Beginning balance, January 1,	0	0	0
Ending balance			0	$ 0
Commercial Mortgage Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, allowance for credit losses	8	8	8		7	$ 8	$ 8	$ 8
Allowance for credit losses:
Beginning balance, January 1,	8	8
Charge-offs	0	0
Recoveries	1	0
Provision	0	0
Ending balance	7	$ 8	$ 8
Mortgage loans on real estate, valuation allowances					7		$ 8
Agricultural Mortgage Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, allowance for credit losses	0				$ 0
Allowance for credit losses:
Ending balance	$ 0

INVESTMENTS - Derivatives by Ca

INVESTMENTS - Derivatives by Category (Detail) - USD ($) $ in Millions	3 Months Ended					6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Net derivative gains (loss)	$ (2,006)	$ (46)	$ (236)	$ (316)	$ (204)	$ (282)	$ 548	$ (2,288)	$ 232	$ 214	$ (1,848)	$ (1,404)
Notional Amount	87,790							87,790		87,914	73,634
Fair Value, Assets Derivatives	6,111							6,111		6,046	5,601
Fair Value, Liabilities Derivatives	11,428							11,428		10,230	10,422
Gains (Losses) Reported In Net Income (Loss)								(2,279)	193	254	(1,867)
Net Amounts Of Liabilities Presented In Statement Of Financial Position											81
Other accrued liabilities, current	9							9		5	7
Equity Futures
Derivatives, Fair Value [Line Items]
Notional Amount	7,863							7,863		6,716	9,131
Fair Value, Assets Derivatives	1							1		1	1
Fair Value, Liabilities Derivatives	1							1		2	1
Gains (Losses) Reported In Net Income (Loss)								(508)	(965)	(1,297)	(1,445)
Equity Swaps
Derivatives, Fair Value [Line Items]
Notional Amount	7,900							7,900		7,623	5,933
Fair Value, Assets Derivatives	12							12		4	22
Fair Value, Liabilities Derivatives	189							189		201	117
Gains (Losses) Reported In Net Income (Loss)								(455)	(996)	(1,413)	(459)
Equity Option
Derivatives, Fair Value [Line Items]
Notional Amount	24,723							24,723		22,223	12,241
Fair Value, Assets Derivatives	4,187							4,187		3,456	2,190
Fair Value, Liabilities Derivatives	1,632							1,632		1,457	1,174
Gains (Losses) Reported In Net Income (Loss)								701	873	1,265	746
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Notional Amount	25,761							25,761		26,769	26,133
Fair Value, Assets Derivatives	330							330		604	514
Fair Value, Liabilities Derivatives	653							653		193	1,443
Gains (Losses) Reported In Net Income (Loss)								(1,212)	661	863	(198)
Interest Rate Futures
Derivatives, Fair Value [Line Items]
Notional Amount	17,498							17,498		20,675
Fair Value, Assets Derivatives	0							0		0
Fair Value, Liabilities Derivatives	0							0		0
Gains (Losses) Reported In Net Income (Loss)								45	100	293
Credit contracts
Derivatives, Fair Value [Line Items]
Notional Amount	1,935							1,935		2,131	2,757
Fair Value, Assets Derivatives	28							28		35	20
Fair Value, Liabilities Derivatives	3							3		3	15
Gains (Losses) Reported In Net Income (Loss)								3	16	19	15
Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Notional Amount	2,110							2,110		1,423	730
Fair Value, Assets Derivatives	75							75		19	52
Fair Value, Liabilities Derivatives	9							9		10	6
Gains (Losses) Reported In Net Income (Loss)								60	(40)	(39)	45
Collateral
Derivatives, Fair Value [Line Items]
Notional Amount	0							0		0
Fair Value, Assets Derivatives	38							38		24	121
Fair Value, Liabilities Derivatives	0							0		4	6
Gains (Losses) Reported In Net Income (Loss)								0	0
Net Amounts Of Liabilities Presented In Statement Of Financial Position	0							0		0
Collateral
Derivatives, Fair Value [Line Items]
Notional Amount	0							0		0
Fair Value, Assets Derivatives	65							65		4	935
Fair Value, Liabilities Derivatives	2,189							2,189		2,123	908
Gains (Losses) Reported In Net Income (Loss)								0	0
Net Amounts Of Liabilities Presented In Statement Of Financial Position	0							0		0
Collateralized Financing
Derivatives, Fair Value [Line Items]
Fair Value, Liabilities Derivatives										2,123
GMIB reinsurance contract asset
Derivatives, Fair Value [Line Items]
Notional Amount	0							0		0
Fair Value, Assets Derivatives	1,375							1,375		1,894	1,735
Fair Value, Liabilities Derivatives	0							0		0
Gains (Losses) Reported In Net Income (Loss)								(522)	286	174	(77)
GMxB derivative features' liability
Derivatives, Fair Value [Line Items]
Notional Amount	0							0		0
Fair Value, Assets Derivatives	0							0		0
Fair Value, Liabilities Derivatives	4,294							4,294		4,451	5,731
Gains (Losses) Reported In Net Income (Loss)								452	1,210	1,652	136
SCS, SIO, MSO and IUL indexed features’ liability
Derivatives, Fair Value [Line Items]
Notional Amount	0							0		0
Fair Value, Assets Derivatives	0							0		0
Fair Value, Liabilities Derivatives	2,458							2,458		1,786	940
Gains (Losses) Reported In Net Income (Loss)								(850)	(913)	(1,303)	(771)
Currency
Derivatives, Fair Value [Line Items]
Notional Amount	0							0		354	391
Fair Value, Assets Derivatives	0							0		5
Fair Value, Liabilities Derivatives	0							0		0	81
Gains (Losses) Reported In Net Income (Loss)								9	$ (39)	40	(19)
Net Amounts Of Liabilities Presented In Statement Of Financial Position	$ 0							$ 0		$ 0
Floor
Derivatives, Fair Value [Line Items]
Notional Amount											1,500
Fair Value, Assets Derivatives											11
Gains (Losses) Reported In Net Income (Loss)											4
Futures
Derivatives, Fair Value [Line Items]
Notional Amount											14,818
Gains (Losses) Reported In Net Income (Loss)											$ 156

INVESTMENTS - Derivatives Offse

INVESTMENTS - Derivatives Offsetting Financial Liabilities (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Offsetting Liabilities [Line Items]
Gross Amounts Recognized			$ 3,751
Gross Amounts Offset in the Balance Sheets			3,670
Net Amounts Presented in the Balance Sheets			81
Securities sold under agreement to repurchase
Net Amounts Presented in the Balance Sheets	$ 1,900	$ 1,887	3,593
Other accrued liabilities, current	9	5	7
Securities sold under agreements to repurchase
Offsetting Liabilities [Line Items]
Gross Amounts Recognized			3,586
Net Amounts Presented in the Balance Sheets			3,586
Securities sold under agreement to repurchase
Gross Amounts Recognized	1,891	1,882
Gross Amounts Offset in the Balance Sheets	0	0
Net Amounts Presented in the Balance Sheets	1,891	1,882
Equity contracts
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	1,821	1,660	1,292
Gross Amounts Offset in the Balance Sheets	1,821	1,660	1,292
Net Amounts Presented in the Balance Sheets	0	0
Interest rate contracts
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	653	193	1,443
Gross Amounts Offset in the Balance Sheets	653	193	1,443
Net Amounts Presented in the Balance Sheets	0	0
Credit contracts
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	3	3	15
Gross Amounts Offset in the Balance Sheets	3	3	15
Net Amounts Presented in the Balance Sheets	0	0
Currency
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	9	10	6
Gross Amounts Offset in the Balance Sheets	9	10	6
Net Amounts Presented in the Balance Sheets	0	0
Collateral
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	0	2,123	6
Gross Amounts Offset in the Balance Sheets	0	2,123	6
Net Amounts Presented in the Balance Sheets	0	0
Collateral
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	2,189	4	908
Gross Amounts Offset in the Balance Sheets	2,189	4	908
Net Amounts Presented in the Balance Sheets	0	0
Total Derivatives, subject to an ISDA Master Agreement
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	4,675	3,993	3,670
Gross Amounts Offset in the Balance Sheets	4,675	3,993	3,670
Net Amounts Presented in the Balance Sheets	0	0
Other Non Financial Liabilities
Offsetting Liabilities [Line Items]
Gross Amounts Recognized		4,053	3,639
Net Amounts Presented in the Balance Sheets		4,053	3,639
Other liabilities
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	8,160	8,046	7,390
Gross Amounts Offset in the Balance Sheets	4,675	3,993	3,670
Net Amounts Presented in the Balance Sheets	3,485	4,053	3,720
Derivatives not subject to Isda master agreements
Offsetting Liabilities [Line Items]
Gross Amounts Recognized			81
Net Amounts Presented in the Balance Sheets			$ 81
Other financial liabilities
Offsetting Liabilities [Line Items]
Gross Amounts Recognized	3,485	4,053
Gross Amounts Offset in the Balance Sheets	0	0
Net Amounts Presented in the Balance Sheets	$ 3,485	$ 4,053

INVESTMENTS - Derivatives, Gros

INVESTMENTS - Derivatives, Gross Collateral Amounts, Assets (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Total derivatives
Assets
Net Amounts Presented in the Balance Sheets	$ 2,146	$ 2,253	$ 56
Net Amounts	61	154	191
Financial Instruments	0	0	(6)
Cash	2,085	2,099	141
Net Amounts	61	154	191
Total derivatives | Previously Reported [Member]
Assets
Cash		(2,099)
Other financial instruments
Assets
Net Amounts Presented in the Balance Sheets	2,859	3,964	3,127
Net Amounts	2,859	3,964	3,127
Financial Instruments	0	0
Cash	0	0
Net Amounts	2,859	3,964	3,127
Other
Assets
Net Amounts Presented in the Balance Sheets	5,005	6,217	3,183
Net Amounts	2,920	4,118	3,318
Financial Instruments	0	0	(6)
Cash	2,085	2,099	141
Net Amounts	$ 2,920	4,118	3,318
Other | Previously Reported [Member]
Assets
Cash		$ (2,099)
Securities sold under agreements to repurchase
Assets
Net Amounts Presented in the Balance Sheets			79
Financial Instruments			$ (79)

INVESTMENTS - Derivatives, Gr_2

INVESTMENTS - Derivatives, Gross Collateral Amounts, Liabilities (Detail) - USD ($)	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Liabilities:
Net Amounts Presented in the Balance Sheets	$ 1,900,000,000	$ 1,887,000,000	$ 3,593,000,000
Liabilities:
Net Amounts Presented in the Balance Sheets	1,900,000,000	1,887,000,000	3,593,000,000
Collateral (Received)/Held
Other accrued liabilities, current	9,000,000	5,000,000	7,000,000
Securities sold under agreements to repurchase
Liabilities:
Net Amounts Presented in the Balance Sheets	1,891,000,000	1,882,000,000	3,586
Securities sold under agreement to repurchase, Financial Instruments	1,891,000,000	1,988,000,000	(3,467)
Securities sold under agreement to repurchase, Cash	0	21,000,000	(115)
Net Amounts	0	(127,000,000)	4
Liabilities:
Net Amounts Presented in the Balance Sheets	1,891,000,000	1,882,000,000	3,586
Collateral (Received)/Held
Net Amounts	$ 0	(127,000,000)	4
Securities sold under agreements to repurchase | Other financial liabilities
Liabilities:
Net Amounts Presented in the Balance Sheets			3,639
Net Amounts			3,639
Liabilities:
Net Amounts Presented in the Balance Sheets			3,639
Collateral (Received)/Held
Net Amounts			3,639
Securities sold under agreements to repurchase | Other liabilities
Liabilities:
Net Amounts Presented in the Balance Sheets		4,053,000,000	3,720
Securities sold under agreement to repurchase, Financial Instruments		0
Securities sold under agreement to repurchase, Cash		0
Net Amounts		4,053,000,000	3,720
Liabilities:
Net Amounts Presented in the Balance Sheets		4,053,000,000	3,720
Collateral (Received)/Held
Net Amounts		4,053,000,000	3,720
Securities sold under agreements to repurchase | Other Derivatives
Liabilities:
Net Amounts Presented in the Balance Sheets			81
Net Amounts			81
Liabilities:
Net Amounts Presented in the Balance Sheets			81
Collateral (Received)/Held
Net Amounts			$ 81
Securities sold under agreements to repurchase | Other financial liabilities
Liabilities:
Net Amounts Presented in the Balance Sheets		4,053,000,000
Securities sold under agreement to repurchase, Financial Instruments		0
Securities sold under agreement to repurchase, Cash		0
Net Amounts		4,053,000,000
Liabilities:
Net Amounts Presented in the Balance Sheets		4,053,000,000
Collateral (Received)/Held
Net Amounts		$ 4,053,000,000

INVESTMENTS - Repurchase Agreem

INVESTMENTS - Repurchase Agreements Accounted for as Borrowings (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 1,891	$ 1,882	$ 3,586
Other accrued liabilities, current	9	5	7
U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements		1,882
U.S. Treasury, government and agency
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	1,891	1,882	3,586
Overnight and Continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	0	0	0
Overnight and Continuous | U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements		0
Overnight and Continuous | U.S. Treasury, government and agency
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	0	0	0
Up to 30 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	1,891	1,882	3,586
Up to 30 days | U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements		1,882
Up to 30 days | U.S. Treasury, government and agency
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	1,891	1,882	3,586
30–90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	0	0	0
30–90 days | U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements		0
30–90 days | U.S. Treasury, government and agency
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	0	0	0
Greater Than 90 days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	0	0	0
Greater Than 90 days | U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements		0
Greater Than 90 days | U.S. Treasury, government and agency
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Repurchase agreements	$ 0	$ 0	$ 0

INVESTMENTS - Repurchase Agre_2

INVESTMENTS - Repurchase Agreements Accounted for as Borrowings (Parenthetical) (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Other accrued liabilities, current	$ 9	$ 5	$ 7

INVESTMENTS - Net Investment In

INVESTMENTS - Net Investment Income (loss) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Offsetting Liabilities [Line Items]
Gross investment income (loss)					$ 3,154	$ 2,744	$ 2,589
Investment expenses	$ (13)	$ (12)	$ (51)	$ (41)	(72)	(79)	(139)
Net Investment Income (Loss)					3,082	2,665	2,450
Fixed Maturities
Offsetting Liabilities [Line Items]
Gross investment income (loss)					1,629	1,723	1,717
Mortgage
Offsetting Liabilities [Line Items]
Gross investment income (loss)					454	397	339
Private Real Estate Investment Trust
Offsetting Liabilities [Line Items]
Gross investment income (loss)					2	19	164
Equity securities
Offsetting Liabilities [Line Items]
Gross investment income (loss)					186	168	84
Policy Loans
Offsetting Liabilities [Line Items]
Gross investment income (loss)					221	225	228
Repurchase Agreements
Offsetting Liabilities [Line Items]
Gross investment income (loss)						1	1
Trading Securities
Offsetting Liabilities [Line Items]
Gross investment income (loss)					553	144	21
Other Investment Income
Offsetting Liabilities [Line Items]
Gross investment income (loss)					$ 109	$ 67	$ 35

INVESTMENTS - Trading Securitie

INVESTMENTS - Trading Securities (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Net investment gains (losses) recognized during the period on securities held at the end of the period	$ (35)	$ 42	$ (255)	$ 231	$ 247	$ (51)	$ (209)
Net investment gains (losses) recognized on securities sold during the period	6	11	(11)	38	19	(12)	81
Unrealized and realized gains (losses) on trading securities arising during the period	(29)	53	(266)	269	266	(63)	(128)
Interest and dividend income from trading securities	84	80	243	197	287	207	149
Net investment income (loss) from trading securities	$ 55	$ 133	$ (23)	$ 466	$ 553	$ 144	$ 21

INVESTMENTS - Investment Gains

INVESTMENTS - Investment Gains (Losses) , Net (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Offsetting Liabilities [Line Items]
Investment Gains (Losses), Net	$ (35)	$ (12)	$ 45	$ (32)	$ (191)	$ 1,983	$ (15)
Fixed Maturities
Offsetting Liabilities [Line Items]
Investment Gains (Losses), Net					(194)	83	(8)
Mortgage
Offsetting Liabilities [Line Items]
Investment Gains (Losses), Net					2	(2)	(1)
Private Real Estate Investment Trust
Offsetting Liabilities [Line Items]
Investment Gains (Losses), Net						1,880
Equity securities
Offsetting Liabilities [Line Items]
Investment Gains (Losses), Net					2	(2)	(5)
Other
Offsetting Liabilities [Line Items]
Investment Gains (Losses), Net					$ (1)	$ 24	$ (1)

GOODWILL AND OTHER INTANGIBLE_3

GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Detail) - USD ($)	Sep. 23, 2016	Jun. 20, 2014	Dec. 31, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill And Other Intangible Assets [Line Items]
Impairment loss			$ 369,000,000	$ 0	$ 370,000,000	$ 369,000,000
Intangible assets gross carrying amount			449,000,000			449,000,000	$ 449,000,000
Accumulated amortization			438,000,000			438,000,000	436,000,000
Amortization expense						2,000,000	12,000,000	$ 3,000,000
Net deferred sales commisions			30,000,000			30,000,000	64,000,000
Amortization of deferred cost of reinsurance asset				$ 18,000,000	$ 11,000,000	0	0
Net capitalized software			162,000,000			162,000,000	170,000,000
Amortization of capitalized software						51,000,000	56,000,000
AB
Goodwill And Other Intangible Assets [Line Items]
Intangible assets gross carrying amount			909,000,000			909,000,000	911,000,000
Accumulated amortization			659,000,000			659,000,000	617,000,000
Amortization expense						44,000,000	42,000,000	$ 41,000,000
Estimated amortization expense, year one			43,000,000			43,000,000
Estimated amortization expense, year two			43,000,000			43,000,000
Estimated amortization expense, year three			36,000,000			36,000,000
Estimated amortization expense, year four			20,000,000			20,000,000
Estimated amortization expense, year five			20,000,000			20,000,000
Minimum
Goodwill And Other Intangible Assets [Line Items]
Amortization expense						1,000,000
Maximum
Goodwill And Other Intangible Assets [Line Items]
Amortization expense						2,000,000
Investment Management and Research
Goodwill And Other Intangible Assets [Line Items]
Goodwill carrying value			4,570,000,000			4,570,000,000	4,570,000,000
Impairment of goodwill			0			0	$ 0
Deferred Sales commissions [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated amortization expense, year one			21,000,000			21,000,000
Estimated amortization expense, year two			6,000,000			6,000,000
Estimated amortization expense, year three			3,000,000			3,000,000
Estimated amortization expense, year four			0			0
Estimated amortization expense, year five			$ 0			$ 0
Ramius Alternative Solutions LLC ("RASL")
Goodwill And Other Intangible Assets [Line Items]
Ownership interest acquired	100.00%
Investment in other company	$ 2,500,000,000
Cash payment in Acquisition	21,000,000
Contigent consideration	12,000,000
Goodwill recognized	22,000,000
Finite lived intangible assets recognized	$ 10,000,000
CPH Capital
Goodwill And Other Intangible Assets [Line Items]
Ownership interest acquired		81.70%
Investment in other company		$ 3,000,000,000
Cash payment in Acquisition		64,000,000
Contigent consideration		9,000,000
Goodwill recognized		58,000,000
Finite lived intangible assets recognized		24,000,000
Indefinite lived intangible assets		4,000,000
Redeemable noncontrolling interest		$ 17,000,000
Percentage of additional ownership interest acquired						93.60%

GOODWILL AND OTHER INTANGIBLE_4

GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Goodwill by Reporting Segment and Corporate and Other (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	$ 0	$ 0	$ 0
Total goodwill, net	4,939	4,917	4,917
Goodwill acquired during year		22
Impairment losses recognized during year	(369)
Balance at December 31, 2017 Goodwill	4,939	4,939	4,917
Individual Retirement
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	0	0	0
Total goodwill, net	53	53	53
Impairment losses recognized during year	(53)
Balance at December 31, 2017 Goodwill	53	53	53
Group Retirement
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	0	0	0
Total goodwill, net	122	122	122
Impairment losses recognized during year	(122)
Balance at December 31, 2017 Goodwill	122	122	122
Protection Solutions
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	0	0	0
Total goodwill, net	139	139	139
Impairment losses recognized during year	(139)
Balance at December 31, 2017 Goodwill	139	139	139
Corporate and Other
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	0	0	0
Total goodwill, net	55	55	55
Impairment losses recognized during year	(55)
Balance at December 31, 2017 Goodwill	55	55	55
Subtotal
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	0	0	0
Total goodwill, net	369	369	369
Impairment losses recognized during year	(369)
Balance at December 31, 2017 Goodwill	369	369	369
Investment Management and Research
Goodwill And Other Intangible Assets [Line Items]
Accumulated impairment losses	0	0	0
Total goodwill, net	4,570	4,548	4,548
Goodwill acquired during year		22
Balance at December 31, 2017 Goodwill	$ 4,570	$ 4,570	$ 4,548

CLOSED BLOCK - Summary of Compa

CLOSED BLOCK - Summary of Company Closed Block (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015
Closed Block Liabilities:
Future policy benefits, policyholders’ account balances and other	$ 6,788	$ 6,958		$ 7,179
Policyholder dividend obligation	0	19	$ 47	52	$ 81
Other liabilities	48	271		43
Total Closed Block liabilities	6,836	7,248		7,274
Assets Designated To The Closed Block:
Fixed maturities, available for sale, at fair value (amortized cost of $3,923 and $3,884)	3,669	4,070		4,025
Mortgage loans on real estate	1,902	1,720		1,623
Policy loans	745	781		839
Cash and other invested assets	39	351		444
Other assets	187	182		213
Total assets designated to the Closed Block	6,542	7,104		7,144
Excess of Closed Block liabilities over assets designated to the Closed Block	294	144		130
Net unrealized investment gains (losses), net of policyholder dividend obligation of $19 and $52	(2)	138		100
Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities	$ 292	282		$ 230
Previously Reported [Member]
Closed Block Liabilities:
Future policy benefits, policyholders’ account balances and other		6,945
Policyholder dividend obligation		32
Assets Designated To The Closed Block:
Other assets		219
Total assets designated to the Closed Block		7,141
Excess of Closed Block liabilities over assets designated to the Closed Block		107
Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities		$ 245

CLOSED BLOCK - Summary of Com_2

CLOSED BLOCK - Summary of Company Closed Block (Parenthetical) (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015
Additional Financial Information [Line Items]
Amortized cost of fixed maturities	$ 3,681	$ 3,923		$ 3,884
Policyholder dividend obligation	$ 0	19	$ 47	52	$ 81
Scenario, Adjustment
Additional Financial Information [Line Items]
Policyholder dividend obligation		$ 19		$ 52

CLOSED BLOCK - Revenues and Exp

CLOSED BLOCK - Revenues and Expenses (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Premiums and other income	$ 44	$ 52	$ 144	$ 167	$ 224	$ 212	$ 236
Net investment income (loss)	72	82	218	244	314	349	368
Net investment gains (losses)	0	(2)	1	(18)	(20)	(1)	2
Total revenues	116	132	363	393	518	560	606
Benefits and Other Deductions:
Policyholders’ benefits and dividends	123	132	372	416	537	522	550
Other operating costs and expenses	1	1	3	2	2	4	4
Total benefits and other deductions	124	133	375	418	539	526	554
Net revenues (loss) before income taxes	(8)	(1)	(12)	(25)	(21)	34	52
Income tax (expense) benefit	2	1	2	9	6	(12)	(18)
Net revenues (losses)	$ (6)	$ 0	$ (10)	$ (16)	$ (15)	$ 22	$ 34

DAC AND POLICYHOLDER BONUS IN_3

DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Schedule of Changes in Deferred Acquisition Costs (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Deferred Policy Acquisition Costs Disclosures [Abstract]
Balance, beginning of year	$ 6,285	$ 6,111	$ 5,919	$ 6,049	$ 6,049	$ 6,047
Capitalization of commissions, sales and issue expenses					687	697
DAC amortization expense					(503)	(779)
Impact of net unrealized investment gains (losses) on DAC					(314)	84
Balance, end of year	$ 6,736	$ 6,090	$ 6,736	$ 6,090	$ 5,919	$ 6,049

DAC AND POLICYHOLDER BONUS IN_4

DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Schedule of Components of Amortization of Deferred Policy Acquisition Costs (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Deferred Policy Acquisition Costs [Line Items]
Commissions and distribution related payments (includes $138, $121, $390 and $391 of deferred policy acquisition costs, respectively)	$ 425	$ 388	$ 1,254	$ 1,183	$ 1,604	$ 1,536	$ 1,586
Compensation and benefits (includes $42, $41, $122 and $123 of deferred policy acquisition costs, respectively)	548	524	1,726	1,609	2,137	2,119	2,165
Other operating costs and expenses (includes $1, $2, $3 and $6 of deferred policy acquisition costs, respectively)	$ 430	$ 450	$ 1,349	$ 1,608	2,076	1,516	1,585
Amortization of deferred poilicy acquisition costs, net
Deferred Policy Acquisition Costs [Line Items]
Commissions and distribution related payments (includes $138, $121, $390 and $391 of deferred policy acquisition costs, respectively)					523	536	559
Compensation and benefits (includes $42, $41, $122 and $123 of deferred policy acquisition costs, respectively)					156	154	157
Other operating costs and expenses (includes $1, $2, $3 and $6 of deferred policy acquisition costs, respectively)					8	7	7
Capitalization of commissions, sales and issue expenses					687	697	723
Deferred acquisition costs					(503)	(779)	(431)
Amortization of deferred policy acquisition costs, net					$ 184	$ (82)	$ 292

DAC AND POLICYHOLDER BONUS IN_5

DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Schedule of Change in Deferred Assets for Policyholder Bonus Interest Credit (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Deferred Policy Acquisition Costs Disclosures [Abstract]
Balance, beginning of year	$ 504	$ 534
Policyholder bonus interest credits deferred	7.00%	13.00%
Amortization charged to income	$ (38)	$ (43)
Balance, end of year	$ 473	$ 504

Fair Value Disclosures - Assets

Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017		Dec. 31, 2016
Investments
Fixed maturities, available-for-sale		$ 43,779	$ 47,131		$ 41,992
Trading securities, at fair value		14,993	14,170		12,085
Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		43,779	46,941		41,879
Other equity investments		65	47		19
Trading securities, at fair value		14,993	14,170		12,085
Other invested assets		3,973	5,289		2,158
Cash equivalents		3,849	3,608		3,917
Segregated securities		1,263	825		946
GMIB reinsurance contract asset		1,375	1,894		1,735
Separate Accounts assets		125,721	124,346		112,962
Total Assets		195,018	197,120		175,701
Liabilities
Acquisition-related contingent consideration liability		12	15		25
Total Liabilities		6,768	6,944		7,027
Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary
Liabilities
Liabilities of consolidated VIEs and VOEs		4	692		250
Fair Value, Measurements, Recurring | Public Corporate
Investments
Fixed maturities, available-for-sale			17,954		16,595
Fair Value, Measurements, Recurring | Private Corporate
Investments
Fixed maturities, available-for-sale			7,492		7,297
Fair Value, Measurements, Recurring | U.S. Treasury, government and agency
Investments
Fixed maturities, available-for-sale			18,508		14,836
Fair Value, Measurements, Recurring | States and political subdivisions
Investments
Fixed maturities, available-for-sale			489		503
Fair Value, Measurements, Recurring | Foreign governments
Investments
Fixed maturities, available-for-sale			419		400
Fair Value, Measurements, Recurring | Commercial Mortgage- backed
Investments
Fixed maturities, available-for-sale					395
Fair Value, Measurements, Recurring | Residential mortgage-backed
Investments
Fixed maturities, available-for-sale			818	[1]	1,005
Fair Value, Measurements, Recurring | Asset- backed
Investments
Fixed maturities, available-for-sale			749	[1]	282
Fair Value, Measurements, Recurring | Redeemable preferred stock
Investments
Fixed maturities, available-for-sale			512		566
Fair Value, Measurements, Recurring | Cash and Short-term Investments
Investments
Other invested assets			1,730		1,511
Fair Value, Measurements, Recurring | Assets of consolidated VIEs/VOEs
Investments
Other invested assets			1,302		593
Fair Value, Measurements, Recurring | Credit Default Swaps
Investments
Other invested assets			222		(978)
Fair Value, Measurements, Recurring | Credit contracts
Investments
Other invested assets			33		5
Fair Value, Measurements, Recurring | Futures
Investments
Other invested assets			(2)
Fair Value, Measurements, Recurring | Foreign currency contract
Investments
Other invested assets	[2]		5
Liabilities
Features' liability					81
Fair Value, Measurements, Recurring | Options
Investments
Other invested assets			1,999		1,016
Fair Value, Measurements, Recurring | GMxB derivative features' liability
Liabilities
Features' liability			4,451		5,731
Fair Value, Measurements, Recurring | SCS, SIO, MSO and IUL indexed features’ liability
Liabilities
Features' liability			1,786		940
Fair Value, Measurements, Recurring | Floor
Investments
Other invested assets					11
Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		176	184		227
Other equity investments		12	13		3
Trading securities, at fair value		537	485		494
Other invested assets		86	1,058		342
Cash equivalents		3,849	3,608		3,917
Segregated securities		0	0
GMIB reinsurance contract asset		0	0
Separate Accounts assets		122,634	121,000		109,817
Total Assets		127,294	126,348		114,800
Liabilities
Acquisition-related contingent consideration liability		0	0
Total Liabilities		1	670		248
Level 1 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary
Liabilities
Liabilities of consolidated VIEs and VOEs		1	670		248
Level 1 | Fair Value, Measurements, Recurring | Redeemable preferred stock
Investments
Fixed maturities, available-for-sale			184		227
Level 1 | Fair Value, Measurements, Recurring | Assets of consolidated VIEs/VOEs
Investments
Other invested assets			1,060		342
Level 1 | Fair Value, Measurements, Recurring | Futures
Investments
Other invested assets			(2)
Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		41,885	45,025		40,259
Other equity investments		0	0
Trading securities, at fair value		14,420	13,647		11,565
Other invested assets		3,859	4,204		1,770
Cash equivalents		0	0
Segregated securities		1,263	825		946
GMIB reinsurance contract asset		0	0
Separate Accounts assets		2,720	2,997		2,832
Total Assets		64,147	66,698		57,372
Liabilities
Acquisition-related contingent consideration liability		0	0
Total Liabilities		2,461	1,808		1,023
Level 2 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary
Liabilities
Liabilities of consolidated VIEs and VOEs		3	22		2
Level 2 | Fair Value, Measurements, Recurring | Public Corporate
Investments
Fixed maturities, available-for-sale			17,906		16,566
Level 2 | Fair Value, Measurements, Recurring | Private Corporate
Investments
Fixed maturities, available-for-sale			6,390		6,469
Level 2 | Fair Value, Measurements, Recurring | U.S. Treasury, government and agency
Investments
Fixed maturities, available-for-sale			18,508		14,836
Level 2 | Fair Value, Measurements, Recurring | States and political subdivisions
Investments
Fixed maturities, available-for-sale			449		461
Level 2 | Fair Value, Measurements, Recurring | Foreign governments
Investments
Fixed maturities, available-for-sale			419		400
Level 2 | Fair Value, Measurements, Recurring | Commercial Mortgage- backed
Investments
Fixed maturities, available-for-sale					22
Level 2 | Fair Value, Measurements, Recurring | Residential mortgage-backed
Investments
Fixed maturities, available-for-sale			818	[1]	1,005
Level 2 | Fair Value, Measurements, Recurring | Asset- backed
Investments
Fixed maturities, available-for-sale			208	[1]	162
Level 2 | Fair Value, Measurements, Recurring | Redeemable preferred stock
Investments
Fixed maturities, available-for-sale			327		338
Level 2 | Fair Value, Measurements, Recurring | Cash and Short-term Investments
Investments
Other invested assets			1,730		1,511
Level 2 | Fair Value, Measurements, Recurring | Assets of consolidated VIEs/VOEs
Investments
Other invested assets			215		205
Level 2 | Fair Value, Measurements, Recurring | Credit Default Swaps
Investments
Other invested assets			222		(978)
Level 2 | Fair Value, Measurements, Recurring | Credit contracts
Investments
Other invested assets			33		5
Level 2 | Fair Value, Measurements, Recurring | Foreign currency contract
Investments
Other invested assets	[2]		5
Liabilities
Features' liability					81
Level 2 | Fair Value, Measurements, Recurring | Options
Investments
Other invested assets			1,999		1,016
Level 2 | Fair Value, Measurements, Recurring | SCS, SIO, MSO and IUL indexed features’ liability
Liabilities
Features' liability			1,786		940
Level 2 | Fair Value, Measurements, Recurring | Floor
Investments
Other invested assets					11
Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		1,718	1,732		1,393
Other equity investments		53	34		16
Trading securities, at fair value		36	38		26
Other invested assets		28	27		46
Cash equivalents		0	0
Segregated securities		0	0
GMIB reinsurance contract asset		1,375	1,894		1,735
Separate Accounts assets		367	349		313
Total Assets		3,577	4,074
Liabilities
Acquisition-related contingent consideration liability		12	15		25
Total Liabilities		4,306	4,466
Level 3 | Fair Value, Measurements, Recurring | Variable Interest Entity, Primary Beneficiary
Liabilities
Liabilities of consolidated VIEs and VOEs		0	0
Level 3 | Fair Value, Measurements, Recurring | Public Corporate
Investments
Fixed maturities, available-for-sale			48
Level 3 | Fair Value, Measurements, Recurring | Private Corporate
Investments
Fixed maturities, available-for-sale			1,102		828
Level 3 | Fair Value, Measurements, Recurring | States and political subdivisions
Investments
Fixed maturities, available-for-sale			40		42
Level 3 | Fair Value, Measurements, Recurring | Commercial Mortgage- backed
Investments
Fixed maturities, available-for-sale					373
Level 3 | Fair Value, Measurements, Recurring | Asset- backed
Investments
Fixed maturities, available-for-sale			541	[1]	120
Level 3 | Fair Value, Measurements, Recurring | Redeemable preferred stock
Investments
Fixed maturities, available-for-sale			1		1
Level 3 | Fair Value, Measurements, Recurring | Assets of consolidated VIEs/VOEs
Investments
Other invested assets			27		46
Level 3 | Fair Value, Measurements, Recurring | GMxB derivative features' liability
Liabilities
Features' liability			4,451		$ 5,731
Public Corporate | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		28,050	25,446
Public Corporate | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
Public Corporate | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		26,908	24,296
Public Corporate | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		1,142	1,150
U.S. Treasury, government and agency | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		13,457	18,508
U.S. Treasury, government and agency | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
U.S. Treasury, government and agency | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		13,457	18,508
U.S. Treasury, government and agency | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
States and political subdivisions | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		459	489
States and political subdivisions | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
States and political subdivisions | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		420	449
States and political subdivisions | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		39	40
Foreign governments | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		448	419
Foreign governments | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
Foreign governments | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		448	419
Foreign governments | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
Residential mortgage-backed | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		242	818
Residential mortgage-backed | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
Residential mortgage-backed | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		242	818
Residential mortgage-backed | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
Asset- backed | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		620	749
Asset- backed | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	0
Asset- backed | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		83	208
Asset- backed | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		537	541
Redeemable preferred stock | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		503	512
Redeemable preferred stock | Level 1 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		176	184
Redeemable preferred stock | Level 2 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		327	327
Redeemable preferred stock | Level 3 | Fair Value, Measurements, Recurring
Investments
Fixed maturities, available-for-sale		0	1
Cash and Short-term Investments | Fair Value, Measurements, Recurring
Investments
Other invested assets		1,499	1,730
Cash and Short-term Investments | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Cash and Short-term Investments | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets		1,499	1,730
Cash and Short-term Investments | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Assets of consolidated VIEs/VOEs | Fair Value, Measurements, Recurring
Investments
Other invested assets		328	1,302
Assets of consolidated VIEs/VOEs | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets		86	1,060
Assets of consolidated VIEs/VOEs | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets		214	215
Assets of consolidated VIEs/VOEs | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets		28	27
Credit Default Swaps | Fair Value, Measurements, Recurring
Investments
Other invested assets		(433)	222
Credit Default Swaps | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Credit Default Swaps | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets		(433)	222
Credit Default Swaps | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Credit contracts | Fair Value, Measurements, Recurring
Investments
Other invested assets		25	33
Credit contracts | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Credit contracts | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets		25	33
Credit contracts | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Futures | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	(2)
Futures | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	(2)
Futures | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Futures | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Foreign currency contract | Fair Value, Measurements, Recurring
Investments
Other invested assets			5
Foreign currency contract | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets			0
Foreign currency contract | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets			5
Foreign currency contract | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets			0
Options | Fair Value, Measurements, Recurring
Investments
Other invested assets		2,554	1,999
Options | Level 1 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
Options | Level 2 | Fair Value, Measurements, Recurring
Investments
Other invested assets		2,554	1,999
Options | Level 3 | Fair Value, Measurements, Recurring
Investments
Other invested assets		0	0
GMxB derivative features' liability | Fair Value, Measurements, Recurring
Liabilities
Features' liability		4,294	4,451
GMxB derivative features' liability | Level 1 | Fair Value, Measurements, Recurring
Liabilities
Features' liability		0	0
GMxB derivative features' liability | Level 2 | Fair Value, Measurements, Recurring
Liabilities
Features' liability		0	0
GMxB derivative features' liability | Level 3 | Fair Value, Measurements, Recurring
Liabilities
Features' liability		4,294	4,451
SCS, SIO, MSO and IUL indexed features’ liability | Fair Value, Measurements, Recurring
Liabilities
Features' liability		2,458	1,786
SCS, SIO, MSO and IUL indexed features’ liability | Level 1 | Fair Value, Measurements, Recurring
Liabilities
Features' liability		0	0
SCS, SIO, MSO and IUL indexed features’ liability | Level 2 | Fair Value, Measurements, Recurring
Liabilities
Features' liability		2,458	1,786
SCS, SIO, MSO and IUL indexed features’ liability | Level 3 | Fair Value, Measurements, Recurring
Liabilities
Features' liability		$ 0	$ 0
[1]	Includes publicly traded agency pass-through securities and collateralized obligations.
[2]	Reported in Other assets in the consolidated balance sheets.

Fair Value Disclosures - Additi

Fair Value Disclosures - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fair Value Measurements Disclosure [Line Items]
Fair value of fixed maturities	$ 43,779		$ 47,131	$ 41,992
Other invested assets measured at fair value on a recurring basis			$ 2,258	$ (27)
Net fair value of freestanding derivative positions as a percent of Other invested assets			42.90%	(1.30%)
Reduction to fair value of GMIB reinsurance contract asset	61		$ 8	$ 10
Reduction to fair value of GMIB reinsurance contract liability	26		24	32
Investments of consolidated VIEs/VOEs classified as Level 3			508	434
AFS fixed maturities transferred out of Level 3	$ 28	$ 8	$ 5	$ 62
Aggregated transfers as a percent of total equity	0.70%	0.10%	0.10%	0.80%
AFS fixed maturities transferred out of Level 2	$ 66	$ 6	$ 7	$ 25
AB's private securities went public and due to trading restriction period transferred from Level 3				56
Investments for which the underlying quantitative inputs are not developed and not readily available	1,026		$ 973	$ 777
Level 3 investments as a percent of total assets classified as Level 3			44.00%	43.30%
Level 3 investments as a percent of all assets measured at fair value on a recurring basis			0.50%	0.40%
Decrease in fair value securities			0.00%	1.70%
Corporate | Matrix pricing model
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3				$ 55
Corporate | Private Available For Sale Corporate Securities | Matrix pricing model
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3			$ 842	$ 691
Securities as a percent of Level 3 securities in the corporate fixed maturities asset class			73.20%	80.60%
Separate Accounts' assets | Third Party Appraisal
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3				$ 295
Separate Accounts' assets | Private Real Estate Fund | Third Party Appraisal
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3			$ 326	295
Separate Accounts' assets | Mortgage | Third Party Appraisal
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3			1	2
Separate Accounts' assets | Private Equity Investments | Third Party Appraisal
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3			0	1
Separate Accounts' assets | Collateralized Mortgage Backed Securities
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3			14	12
Separate Accounts' assets | Asset- backed
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3			$ 8	$ 3
Level 1
Fair Value Measurements Disclosure [Line Items]
Assets measured at fair value on a recurring basis percentage			64.90%	66.40%
Level 2
Fair Value Measurements Disclosure [Line Items]
Assets measured at fair value on a recurring basis percentage			34.00%	32.60%
AAA-rated mortgage- and asset-backed securities are classified as Level 2			$ 875	$ 1,078
Level 3
Fair Value Measurements Disclosure [Line Items]
Assets measured at fair value on a recurring basis percentage			1.10%	1.00%
AAA-rated mortgage- and asset-backed securities are classified as Level 2			$ 598	$ 494
Fixed maturities with indicative pricing obtained from brokers that otherwise could not be corroborated to market observable data			97	126
Level 3 | AB | AB's 2016 acquisition
Fair Value Measurements Disclosure [Line Items]
Acquisition-related contingent consideration liability	$ 11		11
Level 3 | AB | Three AB Acquisition
Fair Value Measurements Disclosure [Line Items]
Contingent consideration liabilities recorded fair value				$ 18
Level 3 | AB | One Acquisition
Fair Value Measurements Disclosure [Line Items]
Weighted average growth rate				18.00%
Level 3 | Variable Interest Entity, Primary Beneficiary
Fair Value Measurements Disclosure [Line Items]
Investments of consolidated VIEs/VOEs classified as Level 3			$ 2	$ 6
Level 3 | Measurement Input, Long-term Revenue Growth Rate | AB | Minimum
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input				4.00%
Contingent Payment Arrangement, Measurement Input				4.00%
Level 3 | Measurement Input, Long-term Revenue Growth Rate | AB | Maximum
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input				31.00%
Contingent Payment Arrangement, Measurement Input				31.00%
Level 3 | Measurement Input, Long-term Revenue Growth Rate | AB | AB's 2016 acquisition
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input	31.00%		31.00%
Contingent Payment Arrangement, Measurement Input	31.00%		31.00%
Revenue growth rate			0.310
Level 3 | Measurement Input, Discount Rate
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input	6.40%		7.00%
Contingent Payment Arrangement, Measurement Input	6.40%		7.00%
Level 3 | Measurement Input, Discount Rate | AB | Minimum
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input				1.40%
Contingent Payment Arrangement, Measurement Input				1.40%
Level 3 | Measurement Input, Discount Rate | AB | Maximum
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input				6.40%
Contingent Payment Arrangement, Measurement Input				6.40%
Level 3 | Measurement Input, Discount Rate | AB | AB's 2016 acquisition | Minimum
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input	1.40%		1.40%
Contingent Payment Arrangement, Measurement Input	1.40%		1.40%
Revenue growth rate			0.014
Level 3 | Measurement Input, Discount Rate | AB | AB's 2016 acquisition | Maximum
Fair Value Measurements Disclosure [Line Items]
Contingent Payment Arrangement, Measurement Input	2.30%		2.30%
Contingent Payment Arrangement, Measurement Input	2.30%		2.30%
Revenue growth rate			0.023
Level 3 | Contingent Payment Arrangements
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3				$ (25)	$ (31)	$ (42)
Fair value of contingent payment arrangements	$ 1		$ 4
Level 3 | Corporate | Matrix pricing model
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3	39		53
Level 3 | Separate Accounts' assets | Third Party Appraisal
Fair Value Measurements Disclosure [Line Items]
Fair value of assets classified as Level 3	$ 345		326
Public Fixed Maturities
Fair Value Measurements Disclosure [Line Items]
Fair value of fixed maturities			$ 38,762	$ 33,936
Fixed maturities as a percent of total assets measured at fair value on a recurring basis			20.00%	19.60%
Private Fixed Maturities
Fair Value Measurements Disclosure [Line Items]
Fair value of fixed maturities			$ 8,179	$ 7,943
Fixed maturities as a percent of total assets measured at fair value on a recurring basis			4.20%	4.60%

FAIR VALUE DISCLOSURES - Fair V

FAIR VALUE DISCLOSURES - Fair Value Assets Unrealized Gains Losses By Category For Level 3 Assets And Liabilities Still Held (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net				$ (35)	$ (12)	$ 45	$ (32)	$ (191)	$ 1,983	$ (15)
Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
OCI	$ 5	$ 20	$ 37
Level 3 | Corporate
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)								1	2	2
OCI								4	8	(26)
Level 3 | Corporate | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
OCI	5		(25)
Level 3 | States and political subdivisions
Change in Accounting Estimate [Line Items]
OCI								(1)	(2)	(1)
Level 3 | States and political subdivisions | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
OCI	(1)	(2)	(2)
Level 3 | Commercial Mortgage- backed
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)								(95)	(71)	(40)
OCI								78	14	72
Level 3 | Commercial Mortgage- backed | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
OCI		10	68
Level 3 | Asset- backed
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)								15
OCI								$ (7)	$ 1	(4)
Level 3 | Asset- backed | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
OCI	1	1	(4)
Level 3 | GMIB reinsurance contract asset | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)	174	(77)	(330)
Level 3 | Separate Accounts' assets
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)										$ 36
Level 3 | Separate Accounts' assets | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net	29	20	36
Level 3 | GMxB derivative features' liability | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)	1,652	136	(776)
Level 3 | Total Debt Maturities Available For Sale | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net	29	20	36
Net Derivative Gains (losses)	1,826	59	(1,106)
OCI	$ 5	20	$ 37
Level 3 | Subtotal | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
OCI		$ 11
Total Debt Maturities Available For Sale | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						19	22
Net Derivative Gains (losses)						134	1,575
OCI						(16)	27
Subtotal | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						0	0
Net Derivative Gains (losses)						0	0
OCI						(16)	27
Corporate | Level 3
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)				(4)	0	(3)	(1)
OCI				(1)	7	(15)	0
Corporate | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						0
Net Derivative Gains (losses)						0
OCI						(15)
States and political subdivisions | Level 3
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)				0	0	0	0
OCI				0	0	(1)	0
States and political subdivisions | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						0	0
Net Derivative Gains (losses)						0	0
OCI						(1)	1
Commercial Mortgage- backed | Level 3
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)				0	(49)	0	(68)
OCI				0	28	0	47
Commercial Mortgage- backed | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net							0
Net Derivative Gains (losses)							0
OCI							24
Asset- backed | Level 3
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)				0	0	0	15
OCI				(1)	(1)	(2)	(8)
Asset- backed | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net							0
Net Derivative Gains (losses)							0
OCI							2
GMIB reinsurance contract asset | Level 3
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)				0	0	0	0
OCI				0	0	0	0
GMIB reinsurance contract asset | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						0	0
Net Derivative Gains (losses)						(524)	287
OCI						0	0
Separate Accounts' assets | Level 3
Change in Accounting Estimate [Line Items]
Net Derivative Gains (losses)				6	4	19	22
OCI				$ 0	$ 0	0	0
Separate Accounts' assets | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						19	22
Net Derivative Gains (losses)						0	0
OCI						0	0
GMxB derivative features' liability | Level 3 | Assets and Liabilities Still Held
Change in Accounting Estimate [Line Items]
Investment Gains (Losses), Net						0	0
Net Derivative Gains (losses)						657	1,288
OCI						$ 0	$ 0

INSURANCE LIABILITIES - GMDB an

INSURANCE LIABILITIES - GMDB and GMIB Liabilities and Other Policyholder's Liabilities (Detail) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Direct Liability
Balance, beginning of period	$ 8,811	$ 6,973	$ 6,973	$ 6,811	$ 6,314
Paid Guaranteed Benefits	(399)	(374)	(505)	(638)	(403)
Other changes in reserve	(283)	1,817	2,350	793	900
Balance, end of period	8,129	8,416	8,811	6,973	6,811
Previously Reported [Member]
Direct Liability
Balance, beginning of period		6,966	6,966
Balance, end of period				6,966
GMDB
Direct Liability
Balance, beginning of period	4,059	3,164	3,164	2,969	1,721
Paid Guaranteed Benefits	(291)	(272)	(354)	(357)	(313)
Other changes in reserve	755	1,070	1,249	552	1,561
Balance, end of period	4,523	3,962	4,059	3,164	2,969
GMIB
Direct Liability
Balance, beginning of period	4,752	3,802	3,802	3,842	4,593
Paid Guaranteed Benefits	(108)	(102)	(151)	(281)	(90)
Other changes in reserve	(1,038)	747	1,101	241	(661)
Balance, end of period	$ 3,606	$ 4,454	$ 4,752	$ 3,802	$ 3,842

INSURANCE LIABILITIES - GMDB Re

INSURANCE LIABILITIES - GMDB Reinsurance Ceded (Detail) - GMDB - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Guaranteed Minimum Death Benefit Reinsurance Ceded [Roll Forward]
Balance, beginning of year	$ 108	$ 85	$ 85	$ 98	$ 68
Paid guarantee benefits	(13)	(11)	(14)	(15)	(18)
Other changes in reserve	14	30	32	7	48
Balance, end of period	$ 109	104	108	85	$ 98
Previously Reported [Member]
Guaranteed Minimum Death Benefit Reinsurance Ceded [Roll Forward]
Balance, beginning of year		$ 90	$ 90
Balance, end of period				$ 90

INSURANCE LIABILITIES - GMDR Re

INSURANCE LIABILITIES - GMDR Reinsurance Assumed (Detail) - GMDB - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Guaranteed Minimum Death Benefit Reinsurance Assumed [Roll Forward]
Balance, beginning of year	$ 95	$ 121	$ 121	$ 135	$ 121
Paid guarantee benefits	(18)	(16)	(21)	(33)	(32)
Other changes in reserve	(10)	(34)	(5)	19	46
Balance, end of Period	$ 83	$ 89	$ 95	$ 121	$ 135

INSURANCE LIABILITIES - Derivat

INSURANCE LIABILITIES - Derivative Instruments in Hedges, Liabilities, at Fair Value (Detail) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017		Dec. 31, 2016
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities			$ 6,237		$ 6,671
GMIB reinsurance contract asset, at fair value		$ 1,375	1,894	[1]	1,735	[1]
GMIBNLG
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities	[2]		4,149		5,309
SCS, SIO, MSO, IUL indexed features
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities	[3]		1,786		940
Assumed GMIB reinsurance Contracts
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities	[2]		194		258
GWBL/GMWB
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities	[2]		130		114
GIB
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities	[2]		(27)		30
GMAB
Liabilities for Guarantees on Long-Duration Contracts [Line Items]
Total embedded and freestanding derivative liabilities	[2]		$ 5		$ 20
[1]	Reported in GMIB reinsurance contract asset, at fair value in the consolidated balance sheets.
[2]	Reported in future policyholders' benefits and other policyholders' liabilities in the consolidated balance sheets.
[3]	Reported in policyholders' account balances in the consolidated balance sheets.

INSURANCE LIABILITIES - Direct

INSURANCE LIABILITIES - Direct Variable Annuity Contracts with GMDB and GMIB Features (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2018	Dec. 31, 2017
Account values invested in:
Policyholder age			70 years	70 years
GMDB
Account values invested in:
Investment in Separate Account Investment Options	$ 94,672	$ 86,890	$ 95,299	$ 94,672
Range of contractually specified interest rates	3.50%	3.60%
GMIB
Account values invested in:
Investment in Separate Account Investment Options	$ 62,286	$ 57,849	61,279	62,286
Range of contractually specified interest rates	16.80%	11.80%
Direct Variable Annuity | GMDB
Account values invested in:
General Account	$ 14,195		14,398	14,195
Investment in Separate Account Investment Options	94,670		95,299	94,670
Net amount at risk assumed	17,527		18,205	17,527
Net amount at risk, net of amounts reinsured	16,906		$ 17,615	$ 16,906
Average attained age of policyholders			55 years 6 months	55 years 2 months 12 days
Percentage of policyholders over age 70			18.70%	18.10%
Direct Variable Annuity | GMDB | Minimum
Account values invested in:
Range of contractually specified interest rates			3.00%	3.00%
Direct Variable Annuity | GMDB | Maximum
Account values invested in:
Range of contractually specified interest rates			6.50%	6.50%
Direct Variable Annuity | GMIB
Account values invested in:
General Account	316		$ 294	$ 316
Investment in Separate Account Investment Options	62,286		61,279	62,286
Net amount at risk assumed	7,255		6,546	7,255
Net amount at risk, net of amounts reinsured	6,036		$ 5,508	$ 6,036
Average attained age of policyholders			69 years 2 months 12 days
Weighted average years remaining until annuitization			7 months 6 days	10 months 25 days
Direct Variable Annuity | GMIB | Minimum
Account values invested in:
Range of contractually specified interest rates			3.00%	3.00%
Direct Variable Annuity | GMIB | Maximum
Account values invested in:
Range of contractually specified interest rates			6.50%	6.50%
Return of Premium | Direct Variable Annuity | GMDB
Account values invested in:
General Account	13,821		$ 14,046	$ 13,821
Investment in Separate Account Investment Options	45,815		47,293	45,815
Net amount at risk assumed	169		162	169
Net amount at risk, net of amounts reinsured	169		$ 162	$ 169
Average attained age of policyholders			51 years 7 months 6 days	51 years 3 months 19 days
Percentage of policyholders over age 70			9.90%	9.60%
Ratchet | Direct Variable Annuity | GMDB
Account values invested in:
General Account	109		$ 102	$ 109
Investment in Separate Account Investment Options	9,556		9,522	9,556
Net amount at risk assumed	57		53	57
Net amount at risk, net of amounts reinsured	53		$ 50	$ 53
Average attained age of policyholders			66 years 9 months 18 days	66 years 4 months 24 days
Percentage of policyholders over age 70			42.20%	40.20%
Roll-Up | Direct Variable Annuity | GMDB
Account values invested in:
General Account	65		$ 62	$ 65
Investment in Separate Account Investment Options	3,515		3,418	3,515
Net amount at risk assumed	1,961		1,892	1,961
Net amount at risk, net of amounts reinsured	1,344		$ 1,305	$ 1,344
Average attained age of policyholders			73 years 4 months 24 days	73 years
Percentage of policyholders over age 70			64.90%	63.10%
Roll-Up | Direct Variable Annuity | GMDB | Minimum
Account values invested in:
Range of contractually specified interest rates			3.00%	3.00%
Roll-Up | Direct Variable Annuity | GMDB | Maximum
Account values invested in:
Range of contractually specified interest rates			6.00%	6.00%
Roll-Up | Direct Variable Annuity | GMIB
Account values invested in:
General Account	23		$ 21	$ 23
Investment in Separate Account Investment Options	21,195		21,549	21,195
Net amount at risk assumed	918		753	918
Net amount at risk, net of amounts reinsured	287		$ 236	$ 287
Average attained age of policyholders			70 years 6 months
Weighted average years remaining until annuitization			1 year 7 months 6 days	1 year 8 months 12 days
Roll-Up | Direct Variable Annuity | GMIB | Minimum
Account values invested in:
Range of contractually specified interest rates			3.00%	3.00%
Roll-Up | Direct Variable Annuity | GMIB | Maximum
Account values invested in:
Range of contractually specified interest rates			6.00%	6.00%
Combo | Direct Variable Annuity | GMDB
Account values invested in:
General Account	200		$ 188	$ 200
Investment in Separate Account Investment Options	35,784		35,066	35,784
Net amount at risk assumed	15,340		16,098	15,340
Net amount at risk, net of amounts reinsured	15,340		$ 16,098	$ 15,340
Average attained age of policyholders			68 years 9 months 18 days	68 years 3 months 19 days
Percentage of policyholders over age 70			49.10%	46.50%
Combo | Direct Variable Annuity | GMDB | Minimum
Account values invested in:
Range of contractually specified interest rates			3.00%	3.00%
Combo | Direct Variable Annuity | GMDB | Maximum
Account values invested in:
Range of contractually specified interest rates			6.50%	6.00%
Combo | Direct Variable Annuity | GMIB
Account values invested in:
General Account	293		$ 273	$ 293
Investment in Separate Account Investment Options	41,091		39,730	41,091
Net amount at risk assumed	6,337		5,793	6,337
Net amount at risk, net of amounts reinsured	$ 5,749		$ 5,272	$ 5,749
Average attained age of policyholders			69 years 1 month 6 days
Weighted average years remaining until annuitization			7 months 6 days	9 months 18 days
Combo | Direct Variable Annuity | GMIB | Minimum
Account values invested in:
Range of contractually specified interest rates			3.00%	3.00%
Combo | Direct Variable Annuity | GMIB | Maximum
Account values invested in:
Range of contractually specified interest rates			6.50%	6.50%

INSURANCE LIABILITIES - Assumed

INSURANCE LIABILITIES - Assumed Variable Annuity Contracts with GMDB and GMIB Features (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2018	Dec. 31, 2017
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder age			70 years	70 years
GMDB
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates	3.50%	3.60%
GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates	16.80%	11.80%
Deferred Variable Annuity | GMDB
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	$ 9,459		$ 8,912	$ 9,459
Net amount at risk assumed	637		$ 562	$ 637
Average attained age of policyholders			72 years 2 months 12 days	72 years 1 month 6 days
Percentage of policyholders over age 70			62.40%	61.60%
Deferred Variable Annuity | GMDB | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			3.00%	3.00%
Deferred Variable Annuity | GMDB | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			10.00%	10.00%
Deferred Variable Annuity | GMDB | Return of Premium
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	1,071		$ 1,008	$ 1,071
Net amount at risk assumed	7		$ 6	$ 7
Average attained age of policyholders			67 years	66 years 9 months 18 days
Percentage of policyholders over age 70			42.00%	40.40%
Deferred Variable Annuity | GMDB | Ratchet
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	6,102		$ 5,763	$ 6,102
Net amount at risk assumed	291		$ 270	$ 291
Average attained age of policyholders			71 years 10 months 25 days	71 years 9 months 18 days
Percentage of policyholders over age 70			61.30%	60.70%
Deferred Variable Annuity | GMDB | Roll-Up
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	318		$ 294	$ 318
Net amount at risk assumed	24		$ 21	$ 24
Average attained age of policyholders			76 years 9 months 18 days	76 years 9 months 18 days
Percentage of policyholders over age 70			77.50%	76.40%
Deferred Variable Annuity | GMDB | Roll-Up | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			3.00%	3.00%
Deferred Variable Annuity | GMDB | Roll-Up | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			10.00%	10.00%
Deferred Variable Annuity | GMDB | Combo
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	1,968		$ 1,847	$ 1,968
Net amount at risk assumed	315		$ 265	$ 315
Average attained age of policyholders			75 years 1 month 6 days	75 years
Percentage of policyholders over age 70			74.60%	73.70%
Deferred Variable Annuity | GMDB | Combo | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			5.00%	5.00%
Deferred Variable Annuity | GMDB | Combo | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			10.00%	10.00%
Deferred Variable Annuity | GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	2,756		$ 2,597	$ 2,756
Net amount at risk assumed	$ 281		$ 217	$ 281
Average attained age of policyholders			70 years	69 years 8 months 12 days
Percentage of policyholders over age 70			55.00%	54.00%
Highest contractual interest rate	10.00%			10.00%
Period after issue rate applied				10 years
Highest contractual interest rate			10.00%
Period after issue rate applied			10 years
Deferred Variable Annuity | GMIB | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			3.30%	3.30%
Deferred Variable Annuity | GMIB | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			6.50%	6.50%
Deferred Variable Annuity | GMIB | Return of Premium
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	$ 1,022		$ 967	$ 1,022
Net amount at risk assumed	2		$ 1	$ 2
Average attained age of policyholders			71 years 3 months 19 days	71 years 2 months 12 days
Percentage of policyholders over age 70			62.20%	61.60%
Deferred Variable Annuity | GMIB | Ratchet
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	55		$ 50	$ 55
Net amount at risk assumed			$ 0
Average attained age of policyholders			73 years 9 months 18 days	73 years 4 months 24 days
Percentage of policyholders over age 70			64.30%	61.90%
Deferred Variable Annuity | GMIB | Roll-Up
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	289		$ 266	$ 289
Net amount at risk assumed	38		$ 33	$ 38
Average attained age of policyholders			71 years 4 months 24 days	71 years
Percentage of policyholders over age 70			57.40%	55.50%
Deferred Variable Annuity | GMIB | Roll-Up | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			3.30%	3.30%
Deferred Variable Annuity | GMIB | Roll-Up | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			6.50%	6.50%
Deferred Variable Annuity | GMIB | Combo
Net Amount at Risk by Product and Guarantee [Line Items]
Reinsured account values	1,390		$ 1,314	$ 1,390
Net amount at risk assumed	$ 241		$ 183	$ 241
Average attained age of policyholders			68 years 6 months	68 years 2 months 12 days
Percentage of policyholders over age 70			48.80%	47.70%
Deferred Variable Annuity | GMIB | Combo | Minimum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			6.00%	6.00%
Deferred Variable Annuity | GMIB | Combo | Maximum
Net Amount at Risk by Product and Guarantee [Line Items]
Range of contractually specified interest rates			6.00%	6.00%

INSURANCE LIABILITIES - Narrati

INSURANCE LIABILITIES - Narrative (Detail) - USD ($) $ in Millions	1 Months Ended			3 Months Ended					6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016		Mar. 31, 2016	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Net Amount at Risk by Product and Guarantee [Line Items]
Net income (loss)	$ 1,254			$ (496)	$ 164	$ 214	$ 10	$ (277)	$ 378	$ 341	$ (118)	$ 351	$ 834		$ 1,254		$ 325
GMIB reinsurance contract asset, at fair value	1,735	[1]		1,375							1,375		1,894	[1]	1,735	[1]
GMDB or GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
Policyholder buyout rider percentage			50.00%
Expiry of Policyholder buyout program			2016-03
Net income (loss)			$ 18
GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
GMIB reinsurance contract asset, at fair value	$ 1,735												1,894		$ 1,735
Direct Variable Annuity | GMDB
Net Amount at Risk by Product and Guarantee [Line Items]
Account value hedged of variable annuity contracts				69,997							69,997		59,297
Net amount at risk hedged of variable annuity contracts				16,706							16,706		6,801
Direct Variable Annuity | GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
Account value hedged of variable annuity contracts				59,052							59,052		70,554
Net amount at risk hedged of variable annuity contracts				6,602							6,602		15,952
Deferred Variable Annuity | GMDB
Net Amount at Risk by Product and Guarantee [Line Items]
Account value hedged of variable annuity contracts				8,912							8,912		9,459
Net amount at risk hedged of variable annuity contracts				562							562		637
Deferred Variable Annuity | GMIB
Net Amount at Risk by Product and Guarantee [Line Items]
Account value hedged of variable annuity contracts				2,597							2,597		2,756
Net amount at risk hedged of variable annuity contracts				$ 217							$ 217		$ 281
[1]	Reported in GMIB reinsurance contract asset, at fair value in the consolidated balance sheets.

INSURANCE LIABILITIES - Summary

INSURANCE LIABILITIES - Summary of No-Lapse Guarantee Liabilities and Other Policyholder's Liabilities (Detail) - USD ($)		9 Months Ended		12 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Direct Liability
Balance, beginning of period		$ 8,811,000,000	$ 6,973,000,000	$ 6,973,000,000		$ 6,811,000,000		$ 6,314,000,000
Paid Guaranteed Benefits		(399,000,000)	(374,000,000)	(505,000,000)		(638,000,000)		(403,000,000)
Balance, end of period		8,129,000,000	8,416,000,000	8,811,000,000		6,973,000,000		6,811,000,000
Previously Reported [Member]
Direct Liability
Balance, beginning of period			6,966,000,000	6,966,000,000
Balance, end of period						6,966,000,000
Reinsurance Ceded
Direct Liability
Other changes in reserves		0	0	0		0
Direct Liability
Direct Liability
Other changes in reserves		80,000,000	107,000,000	(578,000,000)	[1]	64,000,000	[1]	174,000,000
Balance, beginning of period	[1]	709,000,000	1,311,000,000	1,311,000,000		1,247,000,000		1,073,000,000
Paid Guaranteed Benefits		(13,000,000)		(24,000,000)	[1]
Balance, end of period		$ 776,000,000	$ 1,401,000,000	$ 709,000,000	[1]	$ 1,311,000,000	[1]	$ 1,247,000,000	[1]
[1]	There were no amounts of reinsurance ceded in any period presented.

REINSURANCE AGREEMENTS - Effect

REINSURANCE AGREEMENTS - Effect of reinsurance (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Insurance [Abstract]
Direct premiums						$ 1,038	$ 998	$ 982
Reinsurance assumed						225	231	234
Reinsurance ceded						(139)	(146)	(146)
Premiums	$ 269	$ 267	$ 558	$ 823	$ 825	1,124	1,083	1,070
Policy charges and fee income ceded						381	393	378
Policyholders' benefits ceded						657	871	695
Interest Credited to Policyholders' Account Balances Ceded						$ 46	$ 51	$ 62

REINSURANCE AGREEMENT - Additio

REINSURANCE AGREEMENT - Additional Information (Detail) - USD ($) $ in Millions		Feb. 01, 2018	Dec. 31, 2017		Dec. 31, 2016		Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Reinsurance Retention Policy [Line Items]
Reinsurance retention policy, amount retained		$ 635
Reinsurance retention policy, retention percentage																100.00%
GMIB reinsurance contract asset, at fair value			$ 1,894	[1]	$ 1,735	[1]	$ 1,375							$ 1,375		$ 1,894	[1]	$ 1,735	[1]
Increases (decreases) in estimated fair value of derivative							(2,006)	$ (46)	$ (236)	$ (316)	$ (204)	$ (282)	$ 548	(2,288)	$ 232	214		(1,848)		$ (1,404)
Reinsurance recoverable related to insurance contracts amounted			5,023		5,220		4,909	$ 4,954				$ 4,954		4,909		5,023		5,220
Amounts due to reinsurers			1,436		1,509		$ 1,415							$ 1,415		1,436		1,509
Insurance liabilities ceded totaled																71		82
Reinsurance assumed reserves			1,111		1,165											1,111		1,165
Total embedded and freestanding derivative liabilities			6,237		6,671											6,237		6,671
Zurich Insurance And Protective Life Insurance Company [Member]
Reinsurance Retention Policy [Line Items]
Reinsurance recoverable related to insurance contracts amounted			2,962		3,096											2,962		3,096
RGA Reinsurance Company
Reinsurance Retention Policy [Line Items]
Amounts due to reinsurers			1,212		1,289											1,212		1,289
Protective Life
Reinsurance Retention Policy [Line Items]
Amounts due to reinsurers			$ 128		$ 130											128		130
GMDB
Reinsurance Retention Policy [Line Items]
Range of contractually specified interest rates			3.50%		3.60%
GMIB
Reinsurance Retention Policy [Line Items]
Range of contractually specified interest rates			16.80%		11.80%
GMIB reinsurance contract asset, at fair value			$ 1,894		$ 1,735											1,894		1,735
Increases (decreases) in estimated fair value of derivative																159		(93)		$ (322)
Assumed GMIB reinsurance Contracts
Reinsurance Retention Policy [Line Items]
Total embedded and freestanding derivative liabilities	[2]		$ 194		$ 258											194		$ 258
Single Lives [Member]
Reinsurance Retention Policy [Line Items]
Reinsurance retention policy, amount retained																25
Joint Lives [Member]
Reinsurance Retention Policy [Line Items]
Reinsurance retention policy, amount retained																$ 30
[1]	Reported in GMIB reinsurance contract asset, at fair value in the consolidated balance sheets.
[2]	Reported in future policyholders' benefits and other policyholders' liabilities in the consolidated balance sheets.

SHORT-TERM AND LONG-TERM DEBT -

SHORT-TERM AND LONG-TERM DEBT - Credit Facilities Available to Company (Detail) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017EUR (€)	May 14, 2018USD ($)	Dec. 31, 2017USD ($)	Jul. 31, 2017USD ($)	Jul. 31, 2016USD ($)	Dec. 31, 2015USD ($)	May 31, 2014USD ($)
Bilateral Facilities | JP Morgan
Line of Credit Facility [Line Items]
Start Date	May 7, 2014
Maturity Date	May 7, 2019
Total Facility			$ 400
Bilateral Facilities | Citi Bank
Line of Credit Facility [Line Items]
Start Date	Dec. 18, 2015
Maturity Date	Dec. 18, 2020
Total Facility			300
Bilateral Facilities | Bank of America Merrill Lynch
Line of Credit Facility [Line Items]
Start Date	Jul. 28, 2016
Maturity Date	Jul. 28, 2021
Total Facility			450
Syndicated Facilities | Citi Bank
Line of Credit Facility [Line Items]
Start Date	Jun. 26, 2015
Maturity Date	Jun. 26, 2021
Total Facility			1,295
Syndicated Facilities | HSBC
Line of Credit Facility [Line Items]
Start Date	Dec. 12, 2014
Maturity Date	Dec. 11, 2020
Total Facility | €	€ 1,570
Syndicated Facilities | AB Revolving Credit Facility
Line of Credit Facility [Line Items]
Start Date	Nov. 29, 2017
Maturity Date	Nov. 28, 2018
Total Facility			200
Syndicated Facilities | AB Credit Facility
Line of Credit Facility [Line Items]
Start Date	Oct. 22, 2014
Maturity Date	Oct. 22, 2019
Total Facility			1,000
Affiliated Facilities | AXA
Line of Credit Facility [Line Items]
Start Date	Nov. 18, 2016
Maturity Date	Nov. 18, 2019
Total Facility			1,500
Revolving credit facility | JP Morgan
Line of Credit Facility [Line Items]
Total Facility		$ 250		$ 400			$ 250
Revolving credit facility | Citi Bank
Line of Credit Facility [Line Items]
Total Facility						$ 300
Revolving credit facility | Bank of America Merrill Lynch
Line of Credit Facility [Line Items]
Total Facility				$ 450	$ 300
Revolving credit facility | Bilateral Facilities | JP Morgan
Line of Credit Facility [Line Items]
Available to Company			250
Revolving credit facility | Bilateral Facilities | Citi Bank
Line of Credit Facility [Line Items]
Available to Company			300
Revolving credit facility | Bilateral Facilities | Bank of America Merrill Lynch
Line of Credit Facility [Line Items]
Available to Company			300
Revolving credit facility | Syndicated Facilities | Citi Bank
Line of Credit Facility [Line Items]
Available to Company			250
Revolving credit facility | Syndicated Facilities | HSBC
Line of Credit Facility [Line Items]
Available to Company | €	€ 1,570
Revolving credit facility | Syndicated Facilities | AB Revolving Credit Facility
Line of Credit Facility [Line Items]
Available to Company			200
Revolving credit facility | Syndicated Facilities | AB Credit Facility
Line of Credit Facility [Line Items]
Available to Company			1,000
Revolving credit facility | Affiliated Facilities | AXA
Line of Credit Facility [Line Items]
Available to Company			1,500
Swingline | Bilateral Facilities | JP Morgan
Line of Credit Facility [Line Items]
Available to Company			250
Swingline | Bilateral Facilities | Citi Bank
Line of Credit Facility [Line Items]
Available to Company			300
Swingline | Bilateral Facilities | Bank of America Merrill Lynch
Line of Credit Facility [Line Items]
Available to Company			300
Swingline | Syndicated Facilities | Citi Bank
Line of Credit Facility [Line Items]
Available to Company			250
Swingline | Syndicated Facilities | HSBC
Line of Credit Facility [Line Items]
Available to Company			1,000
Swingline | Syndicated Facilities | AB Revolving Credit Facility
Line of Credit Facility [Line Items]
Available to Company			0
Swingline | Syndicated Facilities | AB Credit Facility
Line of Credit Facility [Line Items]
Available to Company			240
Swingline | Affiliated Facilities | AXA
Line of Credit Facility [Line Items]
Available to Company			$ 0

RELATED PARTY TRANSACTIONS - Lo

RELATED PARTY TRANSACTIONS - Loans to Affiliates (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016	Sep. 30, 2007
Related Party Transaction [Line Items]
Total Loans to Affiliates	$ 0	$ 1,230	$ 1,234	$ 1,235	$ 1,246
AXA | 2007 Senior Unsecured Note, 5.7%, due 2020
Related Party Transaction [Line Items]
Total Loans to Affiliates		700			700
AXA | 2008 Senior Unsecured Note, 5.4%, due 2020
Related Party Transaction [Line Items]
Total Loans to Affiliates		200			201	$ 650
AXA -IM Holding U. S. Inc. | Unsecured Loan, due 2025
Related Party Transaction [Line Items]
Total Loans to Affiliates		185			185
Colisee Re. | Unsecured Loan, 4.75%, due 2028
Related Party Transaction [Line Items]
Total Loans to Affiliates		145			145
AXA Technology Services SAS | Unsecured Loan, 2.0%, due 2017
Related Party Transaction [Line Items]
Total Loans to Affiliates		0			10
AXA Technology Services Mexico SA | Unsecured Loan, 2.0%, due 2017
Related Party Transaction [Line Items]
Total Loans to Affiliates		0			2
PT AXA Technology Services Asia Indonesia | Unsecured Loan, 6.0%, due 2028
Related Party Transaction [Line Items]
Total Loans to Affiliates		$ 0			$ 3

RELATED PARTY TRANSACTIONS - _2

RELATED PARTY TRANSACTIONS - Loans to Affiliates (Parenthetical) (Detail)	Dec. 31, 2017
AXA | 2007 Senior Unsecured Note, 5.7%, due 2020
Related Party Transaction [Line Items]
Loans to affiliates, interest rate	5.70%
AXA | 2008 Senior Unsecured Note, 5.4%, due 2020
Related Party Transaction [Line Items]
Loans to affiliates, interest rate	5.40%
AXA -IM Holding U. S. Inc. | Unsecured Loan, due 2025 | 3-Month LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate	1.50%
Colisee Re. | Unsecured Loan, 4.75%, due 2028
Related Party Transaction [Line Items]
Loans to affiliates, interest rate	4.75%
AXA Technology Services SAS | Unsecured Loan, 2.0%, due 2017
Related Party Transaction [Line Items]
Loans to affiliates, interest rate	2.00%
AXA Technology Services Mexico SA | Unsecured Loan, 2.0%, due 2017
Related Party Transaction [Line Items]
Loans to affiliates, interest rate	2.00%
PT AXA Technology Services Asia Indonesia | Unsecured Loan, 6.0%, due 2028
Related Party Transaction [Line Items]
Loans to affiliates, interest rate	6.00%

RELATED PARTY TRANSACTIONS (Det

RELATED PARTY TRANSACTIONS (Detail) € in Millions, $ in Millions	May 07, 2018USD ($)	Apr. 23, 2018USD ($)shares	Dec. 31, 2017USD ($)	Jun. 30, 2016USD ($)	Apr. 20, 2018USD ($)	Mar. 31, 2018USD ($)JointVenture	Jan. 31, 2018USD ($)	Oct. 31, 2017	Jan. 31, 2017USD ($)	Dec. 31, 2016USD ($)	May 31, 2016USD ($)	Jan. 31, 2016USD ($)	Dec. 31, 2015USD ($)	Jun. 30, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)	Oct. 31, 2012EUR (€)	Mar. 31, 2010USD ($)	Sep. 30, 2018USD ($)	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)	Apr. 12, 2018USD ($)	Nov. 30, 2016USD ($)	Sep. 30, 2016USD ($)	Sep. 30, 2013USD ($)	Oct. 31, 2012USD ($)	Mar. 31, 2011	Dec. 31, 2008USD ($)	Sep. 30, 2007USD ($)
Related Party Transaction [Line Items]
Loans to affiliates			$ 1,230							$ 1,246									$ 0			$ 1,230	$ 1,234			$ 1,235	$ 0	$ 1,234	$ 1,230	$ 1,246
Loans from affiliates			3,622							2,904									0			3,622					0		3,622	2,904
Repayment of loans from affiliates																											3,000	56	56	1,752	$ 1,454
Overhead costs																													35	26	24
Assumed premium earned																													225	231	234
Total benefits and other deductions																			1,701	$ 2,644	$ 2,446		2,759	$ 2,991	$ 5,090	6,249	$ 6,791	9,008	11,154	9,736	9,615
Fair value of investment			508							434												508							508	434
Seller's burden																											90.00%
Buyer's burden																											10.00%
Responsible party's burden																											100.00%
Increase in capital in excess of par		$ 17
Increase in taxes payable		$ 174
Balance paid in cash																											$ 8	0	318
Increase in cash																											(37)	792	(840)	(903)	555
Number of real estate joint ventures sold | JointVenture						2
Proceeds from sales of business, affiliate and productive assets						$ 143					$ 825	$ 1,900
Liabilities for guarantees on long-duration contracts			8,811							6,973			$ 6,811		$ 6,314				8,129			8,811	8,416				8,129	8,416	8,811	6,973	6,811
Previously Reported [Member]
Related Party Transaction [Line Items]
Loans to affiliates										1,257													1,245			1,235		1,245		1,257
Total benefits and other deductions																				$ 2,648	$ 2,465			$ 2,997	$ 5,113	$ 6,265		9,187	11,200	9,977	9,615
Liabilities for guarantees on long-duration contracts										6,966																				6,966
Trademark
Related Party Transaction [Line Items]
License fee			3							2			1									3							3	2	1
Reinsurance Assumed [Member]
Related Party Transaction [Line Items]
Assumed premium earned																													8	9	8
Total benefits and other deductions																													2	2	2
Ceded Reinsurance [Member]
Related Party Transaction [Line Items]
Total benefits and other deductions																													4	4	4
Revolving credit facility | Credit Facility
Related Party Transaction [Line Items]
Line of credit facility, maximum borrowing capacity																			$ 1,500								$ 1,500					$ 1,500
AXA | 2008 Senior Unsecured Note, 5.4%, due 2020
Related Party Transaction [Line Items]
Loans to affiliates			$ 200							201												200							200	201									$ 650
Debt instrument, stated percentage																																					5.70%		5.40%
Related party transaction mortgage note payable, interest rate (as a percent)			5.40%
AXA | Note Maturity December 2020
Related Party Transaction [Line Items]
Debt instrument, stated percentage																																			5.40%
Note receivable																																			$ 50
AXA | Note Maturity June 2018
Related Party Transaction [Line Items]
Loans from affiliates			$ 622							0												622							$ 622	0
AXA | Note Maturity June 2018 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Basis spread on variable rate																													0.439%
AXA Financial
Related Party Transaction [Line Items]
Interest cost																													$ 12	$ 9	7
Economic interest in subsidiary (as a percent)						100.00%																					100.00%		64.70%	63.70%
Consolidation, less than wholly owned subsidiary, additional interest issued to parent (as a percent)						0.50%													0.50%		0.50%						0.50%
Capital contribution						$ 66
AXA Financial | Note Maturity December 2020, One
Related Party Transaction [Line Items]
Debt instrument, stated percentage																																						5.40%
Loans from affiliates			200		$ 500		$ 500															200							$ 200									$ 500
Repayments of Notes Payable					50		150								300
AXA Financial | Note Maturity December 18, 2024
Related Party Transaction [Line Items]
Loans from affiliates			1,007							1,007					$ 2,727							1,007							1,007	$ 1,007
Repayment of loans from affiliates														$ 520																1,200
Interest cost																													23	23	33
AXA Financial | Note Maturity December 18, 2024 | 3-Month LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate															1.06%
AXA Financial | Note Maturity December 18, 2024 | 3-Month LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate															1.06%
AXA Financial | Note Maturity March 20, 2020
Related Party Transaction [Line Items]
Loans from affiliates																		$ 770
AXA Financial | Note Maturity October 2017
Related Party Transaction [Line Items]
Loans from affiliates																	€ 300																			$ 391
AXA Financial | Note Maturity October 2017 | Previously Reported [Member]
Related Party Transaction [Line Items]
Loans from affiliates																	€ 300																			$ 391
AXA Financial | Note Maturity October 2017 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Related party transaction mortgage note payable, interest rate (as a percent)																	1.15%
AXA Financial | Note Maturity October 2017 | London Interbank Offered Rate (LIBOR) | Interest Rate Swaps
Related Party Transaction [Line Items]
Basis spread on variable rate																	1.475%
AXA Financial | Note Maturity October 2017 | EURIBOR Plus Zero Point Zero Six
Related Party Transaction [Line Items]
Basis spread on variable rate																	1.15%
AXA Financial | Note Maturity March 2018 | Minimum
Related Party Transaction [Line Items]
Related party transaction mortgage note payable, interest rate (as a percent)								0.00%
AXA Financial | Note Maturity March 2018 | EURIBOR Plus Zero Point Zero Six
Related Party Transaction [Line Items]
Basis spread on variable rate								0.06%
AXA Financial | Term Loan [Member]
Related Party Transaction [Line Items]
Prepayment penalty												43
AXA Financial | Term Loan [Member] | AXA Insurance UK PLC
Related Party Transaction [Line Items]
Repayment of loans from affiliates												177
AXA Financial | Term Loan [Member] | AXA France
Related Party Transaction [Line Items]
Repayment of loans from affiliates												72
AXA -IM Holding U. S. Inc.
Related Party Transaction [Line Items]
Ownership percentage after initial public offering (as a percent)		100.00%
Consolidation, less than wholly owned subsidiary, purchase of interest by parent, shares (in shares) | shares		41,934,582
Consolidation, less than wholly owned subsidiary, parent ownership interest, changes, purchase of interest by parent		$ 873
AXA -IM Holding U. S. Inc. | Note Maturity December 10, 2025
Related Party Transaction [Line Items]
Loans from affiliates													$ 185																		185
AXA -IM Holding U. S. Inc. | Note Maturity December 10, 2025 | 3-Month LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate													1.50%
Colisee Re. | Note Maturity December 2028
Related Party Transaction [Line Items]
Debt instrument, stated percentage																4.75%
Loans from affiliates																$ 145
AXA Technology Services SAS
Related Party Transaction [Line Items]
Repayment of loans from affiliates												$ 4,000
Infrastructure Services paid																													18
AXA Technology Services SAS | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Basis spread on variable rate												1.42%
AXA Technology Services SAS | Unsecured Loan from Affiliate
Related Party Transaction [Line Items]
Debt instrument, stated percentage																																		2.00%
Loans from affiliates																																		$ 12
Repayment of loans from affiliates									$ 5	2
AXA Technology Services Mexico SA | Unsecured Loan from Affiliate
Related Party Transaction [Line Items]
Debt instrument, stated percentage				2.00%
Loans from affiliates				$ 2
AXA Holdings
Related Party Transaction [Line Items]
Repayment of loans from affiliates																													56
Interest cost																													$ 2	1	$ 1
Related party transaction mortgage note payable, interest rate (as a percent)																													1.39%
AXA Holdings | AXA CS
Related Party Transaction [Line Items]
Consolidation, less than wholly owned subsidiary, parent ownership interest after additional interest issued																			78.99%								78.99%
AXA Holdings | Note Maturity December 2020, One
Related Party Transaction [Line Items]
Debt instrument, stated percentage																4.75%
Loans from affiliates																$ 242
Related party transaction mortgage note payable, interest rate (as a percent)																															1.44%
AXA Holdings | Note Maturity December 2028
Related Party Transaction [Line Items]
Loans from affiliates			$ 387							$ 387						$ 145						$ 387							$ 387	387
Interest cost																													18	18	$ 18
Related party transaction mortgage note payable, interest rate (as a percent)																4.75%
AXA Holdings | Unsecured Loan from Affiliate
Related Party Transaction [Line Items]
Loans from affiliates													$ 300																		$ 300
Repayment of loans from affiliates				300
AXA Holdings | Unsecured Loan from Affiliate | One Month Libor [Member]
Related Party Transaction [Line Items]
Basis spread on variable rate																															0.58%
AXA Holdings | Note Maturity March 20, 2020
Related Party Transaction [Line Items]
Loans from affiliates																		$ 770
Interest cost																													$ 19	16	$ 12
AXA Holdings | Note Maturity March 20, 2020 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Basis spread on variable rate																		1.20%
AXA Holdings | Note Maturity December 2020, Two
Related Party Transaction [Line Items]
Loans from affiliates																$ 145
AXA Holdings | Hundred Million Dollar Loan
Related Party Transaction [Line Items]
Debt instrument, stated percentage			1.86%																			1.86%							1.86%
Loans from affiliates			$ 100																			$ 100							$ 100
AXA Holdings | Ten Million Dollar Loan
Related Party Transaction [Line Items]
Debt instrument, stated percentage			1.76%																			1.76%							1.76%
Loans from affiliates			$ 10																			$ 10							$ 10
AXA Holdings | Note Maturity June 2018
Related Party Transaction [Line Items]
Loans from affiliates			622																$ 630			$ 622					$ 630		622
AXA Holdings | Note Maturity June 2018 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Related party transaction mortgage note payable, interest rate (as a percent)																						0.439%
AXA Holdings | Note Maturity September 2012
Related Party Transaction [Line Items]
Debt instrument, stated percentage																																							5.40%
Loans from affiliates					700		700																																$ 700
Repayments of Notes Payable					$ 650		$ 50
Repayment of loans from affiliates																															366
AXA America Holdings, Inc | Note Maturity October, 2022
Related Party Transaction [Line Items]
Loans from affiliates													$ 366																		366
Interest cost																													9	8	$ 2
AXA America Holdings, Inc | Note Maturity October, 2022 | 3-Month LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate																															1.44%
Axa Arizona | Revolving credit facility
Related Party Transaction [Line Items]
Line of credit facility, maximum borrowing capacity			0																			$ 0							0				$ 1,500
Line of Credit			1,500																			1,500							1,500
Line of Credit fees																													1	$ 5	$ 5
AXA Equitable Life | Broad Vista Partners LLC
Related Party Transaction [Line Items]
Ownership percentage										70.00%																				70.00%
Investment in joint Venture				$ 25
SaumSing LLC | Broad Vista Partners LLC
Related Party Transaction [Line Items]
Ownership percentage										30.00%																				30.00%
AB
Related Party Transaction [Line Items]
Purchased unit																												2.3	2.3
purchased unit in Cash			55																			55	55					$ 55	$ 55
Consolidation, less than wholly owned subsidiary, purchase of interest by parent, shares (in shares) | shares		8,160,000
Consolidation, less than wholly owned subsidiary, parent ownership interest, changes, purchase of interest by parent		$ 217
Economic interest in subsidiary (as a percent)		65.00%																									65.00%	47.00%	46.70%	45.80%
AXA Venture Partners SAS
Related Party Transaction [Line Items]
Fair value of investment			7							$ 5												7							$ 7	$ 5
Capital Commitment																							$ 30					$ 30
Capital Commitment paid																													0.5
Economic interest in subsidiary (as a percent)	30.30%
Payments to acquire additional interest in subsidiaries	$ 2.6
XL Catlin
Related Party Transaction [Line Items]
Liabilities for guarantees on long-duration contracts																			92								$ 92
AXA CS
Related Party Transaction [Line Items]
Increase in capital in excess of par						630
Decrease in loans from affiliates						622
Increase in cash						$ 8
Commercial paper | AXA Financial commercial paper
Related Party Transaction [Line Items]
Maximum amount of short-term unsecured debt allowed under agreement			$ 2,000																$ 2,000			$ 2,000					$ 2,000		$ 2,000

RELATED PARTY TRANSACTIONS - _3

RELATED PARTY TRANSACTIONS - Loans from Affiliates (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Total Loans From Affiliates	$ 0	$ 3,622	$ 2,904
Foreign Exchange impact of AXA Belgium loan		(31)	(73)
AXA | Term Loan, due 2024
Related Party Transaction [Line Items]
Total Loans From Affiliates		1,007	1,007
AXA | Loan Maturity 2022
Related Party Transaction [Line Items]
Total Loans From Affiliates		366	366
AXA | Note Maturity June 2018
Related Party Transaction [Line Items]
Total Loans From Affiliates		622	0
AXA Japan Suborinated Notes | Subordinated Notes Due 2020
Related Party Transaction [Line Items]
Total Loans From Affiliates		770	770
AXA Belgium Loan | Note Maturity 2018
Related Party Transaction [Line Items]
Total Loans From Affiliates		391	391
Coliseum Reinsurance Company | Loan Maturity 2028
Related Party Transaction [Line Items]
Total Loans From Affiliates		387	387
AXA America Corporate Solutions Inc | Loan Maturity 2018
Related Party Transaction [Line Items]
Total Loans From Affiliates		$ 110	$ 56

RELATED PARTY TRANSACTIONS - _4

RELATED PARTY TRANSACTIONS - Loans from Affiliates (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2017
AXA | Term Loan, due 2024 | 3-Month LIBOR
Related Party Transaction [Line Items]
Basis spread on variable rate	1.06%
AXA | Loan Maturity 2022 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Basis spread on variable rate	1.44%
AXA | Note Maturity June 2018 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Basis spread on variable rate	0.439%
AXA Japan Suborinated Notes | Subordinated Notes Due 2020 | London Interbank Offered Rate (LIBOR)
Related Party Transaction [Line Items]
Basis spread on variable rate	1.20%
AXA Belgium Loan | Note Maturity 2018 | EURIBOR Plus Zero Point Zero Six
Related Party Transaction [Line Items]
Basis spread on variable rate	0.06%
Coliseum Reinsurance Company | Loan Maturity 2028
Related Party Transaction [Line Items]
Debt instrument, stated percentage	4.75%
AXA America Corporate Solutions Inc | Loan Maturity 2018
Related Party Transaction [Line Items]
Debt instrument, stated percentage	1.85%

RELATED PARTY TRANSACTIONS - Ex

RELATED PARTY TRANSACTIONS - Expensed Reimbursed to/from the Company and Fees Received/Paid by the Company (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Expenses paid or accrued	$ 157	$ 147	$ 110
Revenue received or accrued	747	703	732
Paid or Accrued Expenses for Services Provided by AXA Affiliates
Related Party Transaction [Line Items]
Expenses paid or accrued	141	118	96
AXA IM AXA REIM and AXA Rosenberg
Related Party Transaction [Line Items]
Expenses paid or accrued	5	15	2
AXA Strategic Ventures Corporation
Related Party Transaction [Line Items]
Expenses paid or accrued	2	2
Guarantees and Credit Facility
Related Party Transaction [Line Items]
Expenses paid or accrued	9	12	12
Revenue Received or Accrued for Investment Management and Administrative Services Provided to EQAT VIP Trust and Other AXA Trusts
Related Party Transaction [Line Items]
Revenue received or accrued	720	674	707
AXA Affiliates
Related Party Transaction [Line Items]
Revenue received or accrued	$ 27	$ 29	$ 25

RELATED PARTY TRANSACTIONS - Sc

RELATED PARTY TRANSACTIONS - Schedule of Revenues Earned by Providing Services to Related Parties (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Other revenues	$ 1,626	$ 1,453	$ 1,561
Investment Management and Services Fees
Related Party Transaction [Line Items]
Other revenues	1,148	999	1,056
Distribution Revenues
Related Party Transaction [Line Items]
Other revenues	398	372	415
Shareholder Servicing Fees
Related Party Transaction [Line Items]
Other revenues	73	76	85
Other Revenues
Related Party Transaction [Line Items]
Other revenues	$ 7	$ 6	$ 5

EMPLOYEE BENEFIT PLANS - Narrat

EMPLOYEE BENEFIT PLANS - Narrative (Detail)	Mar. 13, 2018USD ($)contract	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Defined Benefit Plan Disclosure [Line Items]
Accrued pension cost						$ (616,000,000)	$ (763,000,000)
Aggregate PBO/accumulated benefit obligation ("ABO") for plans with PBOs/ABOs in excess of their assets						3,455,000,000	2,839,000,000
Aggregate fair value of pension plan assets for plans with PBOs/ABOs in excess of their assets						3,442,000,000	2,679,000,000
Estimated net actuarial (gain) loss expected to be reclassified from AOCI and recognized as components of net periodic pension cost over the next year						119,000,000
Estimated prior service (credit) expected to be reclassified from AOCI and recognized as components of net periodic benefit cost over the next year						24,000
Decrease in benefits expense due to change in measurement approach							76,000,000
Post-retirement benefits payments, net of employee contribution						37,100,000	37,000,000
Effect of 1.0% increase in healthcare cost trend rate assumption on accumulated post-retirement benefits obligation						339,000
Effect of 1.0% increase in healthcare cost trend rate assumption on service and interest cost						339,000
Effect of 1.0% decrease in healthcare cost trend rate assumption on accumulated post-retirement benefits obligation						(293,000)
Effect of 1.0% decrease in healthcare cost trend rate assumption on service and interest cost						(293,000)
Post-Employment medical and life insurance coverage						11,000,000	13,000,000
Routine lump-sum distributions		$ 12,000,000
Remeasurement loss on plan assets and obligation		4,000,000
AXA Equitable Life QP
Defined Benefit Plan Disclosure [Line Items]
Benefit payments						6,000,000	7,000,000
Maximum | AXA Equitable Executive Survivor Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Post-retirement life insurance benefits						25,000,000
Net Postretirement Benefits Costs
Defined Benefit Plan Disclosure [Line Items]
Estimated net actuarial (gain) loss expected to be reclassified from AOCI and recognized as components of net periodic pension cost over the next year						8,000,000
Estimated prior service (credit) expected to be reclassified from AOCI and recognized as components of net periodic benefit cost over the next year						7,000,000
Benefit payments						$ (38,000,000)	$ (37,000,000)
Net Postretirement Benefits Costs | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate						3.52%	4.01%
Net Periodic Pension Expense
Defined Benefit Plan Disclosure [Line Items]
Discount rate								4.00%
Routine lump-sum distributions						$ 201,000,000	$ 204,000,000
Net Periodic Pension Expense | AXA Equitable Life QP
Defined Benefit Plan Disclosure [Line Items]
Discount rate								3.98%
Increase in net unfunded PBO								$ 4,000,000
Net Periodic Pension Expense | AXA Equitable Excess Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate								3.86%
Increase in net unfunded PBO								$ 5,000,000
Net Periodic Pension Expense | AXA Equitable Life QP
Defined Benefit Plan Disclosure [Line Items]
Discount rate						3.40%	3.81%
Qualified Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Assets classification percentage of plan asset						29.70%	31.90%
Qualified Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Assets classification percentage of plan asset						51.50%	51.00%
Qualified Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Assets classification percentage of plan asset						0.10%	0.20%
Qualified Plan | Net Postretirement Benefits Costs | AXA Equitable 401(k) Plan
Defined Benefit Plan Disclosure [Line Items]
Expenses recognized		6,000,000	$ 6,000,000	$ 21,000,000	$ 19,000,000	$ 28,000,000	$ 28,000,000	$ 27,000,000
Qualified Plan | Net Periodic Pension Expense | Profit Sharing Plan for Employees Of AB | AB
Defined Benefit Plan Disclosure [Line Items]
Cash contribution				5,000,000		4,000,000
Estimated contribution for 2018						5,000,000
Minimum contribution required to be made in 2018		$ 0		$ 0		$ 0
Qualified Plan | Net Periodic Pension Expense | MONY Life Retirement Income Security Plan for Employees and the AXA Equitable QP
Defined Benefit Plan Disclosure [Line Items]
Number of single premium, non-participating group annuity contracts purchased | contract	2
Plans' obligations to retirees transferred	$ 254,000,000
Plans' obligations to retirees transferred (as a percent)	10.00%
Pre-tax settlement loss	$ 100,000,000
Qualified Plan | Net Periodic Pension Expense | Long-duration bonds
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, assets target allocation, Percentage						50.00%
Qualified Plan | Net Periodic Pension Expense | Return-seeking assets
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, assets target allocation, Percentage						50.00%

EMPLOYEE BENEFIT PLANS - Compon

EMPLOYEE BENEFIT PLANS - Components of certain benefit costs (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net Postretirement Benefits Costs
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 1	$ 1	$ 2	$ 2	$ 2
Interest cost	4	4	12	12	16	16	20
Net amortization	3	2	7	5	6	7	10
Net Periodic Benefits Costs	7	6	20	18	24	25	32
Net Periodic Pension Expense
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	3	6	8	10	11	10
Interest cost	27	25	77	78	105	108	127
Expected return on assets	(39)	(43)	(123)	(130)	(173)	(177)	(174)
Actuarial (gain) loss					1	1	1
Net amortization	24	30	76	94	126	133	122
Net Periodic Benefits Costs	19	15	142	50	69	76	86
Partial settlement	5	0	106	0
Net Postemployment Benefits Costs
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	1	1	2	2	2
Interest cost	0	0	0	0
Net amortization	0	(1)	0	(1)	$ (2)		(16)
Net Periodic Benefits Costs	$ 0	$ (1)	$ 1	$ 0		$ 2	$ (14)

EMPLOYEE BENEFITS PLANS - Chang

EMPLOYEE BENEFITS PLANS - Changes in Projected Benefit Obligation (Detail) - Net Periodic Pension Expense - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Benefits obligation, beginning of year			$ 3,455	$ 3,442	$ 3,442
Service cost	$ 2	$ 3	6	8	10	$ 11	$ 10
Interest cost	$ 27	$ 25	77	78	105	108	127
Benefits Obligation, end of year					3,455	3,442
Projected Benefit Obligation
Defined Benefit Plan Disclosure [Line Items]
Benefits obligation, beginning of year			$ 3,455	$ 3,442	3,442	3,497
Service cost					0	0
Interest cost					105	108
Actuarial (gains) losses					144	72
Benefits paid					(236)	(235)
Plan amendments and curtailments					0	0
Benefits Obligation, end of year					$ 3,455	$ 3,442	$ 3,497

EMPLOYEE BENEFITS PLANS - Cha_2

EMPLOYEE BENEFITS PLANS - Change in Plan Assets and the Funded Status of the Company's Qualified and Non-Qualified Pension Plans (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Benefits paid and fees	$ (12)
Net Periodic Pension Expense
Defined Benefit Plan Disclosure [Line Items]
Beginning Balance		$ 2,679	$ 2,709
Actual return on plan assets		357	174
Contributions		4
Benefits paid and fees		(201)	(204)
Ending Balance		2,839	2,679
PBO		3,455	3,442
Excess of PBO Over Pension Plan Assets, End of Year		$ (616)	$ (763)

EMPLOYEE BENEFIT PLANS - Amount

EMPLOYEE BENEFIT PLANS - Amounts Included in AOCI (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Net Postretirement Benefits Costs
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gain) loss	$ 143	$ 132
Total	143	132
Net Periodic Pension Expense
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gain) loss	1,315	1,482
Unrecognized prior service (credit)	1	1
Total	$ 1,316	$ 1,483

EMPLOYEE BENEFITS PLANS - Alloc

EMPLOYEE BENEFITS PLANS - Allocation of Pension Plan Assets (Detail) - Qualified Plan - Net Periodic Pension Expense	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Allocation of the fair value total pension plan assets	100.00%	100.00%
Fixed Maturities
Defined Benefit Plan Disclosure [Line Items]
Allocation of the fair value total pension plan assets	46.20%	47.40%
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Allocation of the fair value total pension plan assets	33.90%	34.20%
Equity real estate
Defined Benefit Plan Disclosure [Line Items]
Allocation of the fair value total pension plan assets	13.90%	13.70%
Cash and short-term investments
Defined Benefit Plan Disclosure [Line Items]
Allocation of the fair value total pension plan assets	1.40%	1.50%
Other
Defined Benefit Plan Disclosure [Line Items]
Allocation of the fair value total pension plan assets	4.60%	3.20%

EMPLOYEE BENEFITS PLANS - Fair

EMPLOYEE BENEFITS PLANS - Fair Value Hierarchy of Pension Plan Assets (Detail) - Net Periodic Pension Expense - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Investments at fair value	$ 2,839	$ 2,679	$ 2,709
Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	2,309	2,227
Investments measured at net assets value	530	452
Investments at fair value	2,839	2,679
Qualified Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	843	855
Investments at fair value	843	855
Qualified Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	1,463	1,367
Investments at fair value	1,463	1,367
Qualified Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	3	5
Investments at fair value	3	5	$ 8	$ 10
Qualified Plan | Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	828	833
Qualified Plan | Equity Securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	730	738
Qualified Plan | Equity Securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	98	95
Qualified Plan | Mutual Fund
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	99	92
Qualified Plan | Mutual Fund | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	99	92
Qualified Plan | Commercial Papers
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	44	7
Qualified Plan | Commercial Papers | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	44	7
Qualified Plan | Equity real estate
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	2	3
Qualified Plan | Equity real estate | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	2	3
Qualified Plan | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	12	22
Qualified Plan | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	12	22
Qualified Plan | Cash and Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	27	20
Qualified Plan | Cash and Short-term Investments | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	27	20
Qualified Plan | Fixed Maturities | Corporate
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	794	821
Qualified Plan | Fixed Maturities | Corporate | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	792	820
Qualified Plan | Fixed Maturities | Corporate | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	2	1
Qualified Plan | Fixed Maturities | U.S. Treasury, government and agency
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	471	395
Qualified Plan | Fixed Maturities | U.S. Treasury, government and agency | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	471	395
Qualified Plan | Fixed Maturities | States and political subdivisions
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	26	26
Qualified Plan | Fixed Maturities | States and political subdivisions | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	26	26
Qualified Plan | Fixed Maturities | Foreign Governments
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	5	4
Qualified Plan | Fixed Maturities | Foreign Governments | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	5	4
Qualified Plan | Fixed Maturities | Commercial Mortgage- backed
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	1	2
Qualified Plan | Fixed Maturities | Commercial Mortgage- backed | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy	$ 1	2
Qualified Plan | Fixed Maturities | Asset- backed
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy		1
Qualified Plan | Fixed Maturities | Asset- backed | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy		1
Qualified Plan | Fixed Maturities | Other Structured Debt
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy		1
Qualified Plan | Fixed Maturities | Other Structured Debt | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total assets in the fair value hierarchy		$ 1

EMPLOYEE BENEFITS PLANS - Calcu

EMPLOYEE BENEFITS PLANS - Calculation of Net Asset Value (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Investment, Fair Value	$ 508	$ 434
Private Equity Fund
Defined Benefit Plan Disclosure [Line Items]
Investment, Fair Value	49	25
Unfunded Commitments	29	65
Private Real Estate Investment Trust
Defined Benefit Plan Disclosure [Line Items]
Investment, Fair Value	$ 376	$ 349
Redemption Notice Period	One Quarter	One Quarter
Redemption Frequency	Quarterly	Quartrely
Hedge Funds
Defined Benefit Plan Disclosure [Line Items]
Investment, Fair Value	$ 83	$ 60
Unfunded Commitments	$ 34	$ 42
Redemption Notice Period	Previous Quarter End	Previous Quarter End
Redemption Frequency	Calendar Quarters	Calendar Quarters

EMPLOYEE BENEFIT PLANS - Reconc

EMPLOYEE BENEFIT PLANS - Reconcilation For All Level 3 Fair Values Of Qualified Pension Plan Assets (Detail) - Net Periodic Pension Expense - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Beginning Balance	$ 2,679	$ 2,709
Actual return on plan assets:
Ending Balance	2,839	2,679	$ 2,709
Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Beginning Balance	2,679
Actual return on plan assets:
Ending Balance	2,839	2,679
Qualified Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Beginning Balance	5	8	10
Actual return on plan assets:
Relating to assets still held at end of period	0	0	0
Relating to assets sold during period	0	0	0
Purchases/Issues	0	0	0
Sales/Settlements	(2)	(1)	(1)
Transfers into/out of Level 3		(2)	(1)
Ending Balance	3	5	8
Qualified Plan | Level 3 | Private Real Estate Fund
Actual return on plan assets:
Relating to assets still held at end of period	0	0	0
Relating to assets sold during period	0	0	0
Purchases/Issues	0	0	0
Qualified Plan | Level 3 | Other Private Real Estate
Actual return on plan assets:
Relating to assets still held at end of period	0	0	0
Relating to assets sold during period	0	0	0
Purchases/Issues	0	0	0
Qualified Plan | Level 3 | Fixed Maturities
Defined Benefit Plan Disclosure [Line Items]
Beginning Balance	5	8	10
Actual return on plan assets:
Relating to assets still held at end of period	0	0	0
Relating to assets sold during period	0	0	0
Purchases/Issues	0	0	0
Sales/Settlements	(2)	(1)	(1)
Transfers into/out of Level 3		(2)	(1)
Ending Balance	$ 3	$ 5	$ 8

EMPLOYEE BENEFIT PLANS - Assump

EMPLOYEE BENEFIT PLANS - Assumptions Used to Measure the Company's Pension Benefit Obligations and Net Periodic Pension Cost (Detail)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net Periodic Pension Expense
Defined Benefit Plan Disclosure [Line Items]
Discount rates			4.00%
Rates of compensation increase, Benefit obligation	5.99%	5.99%
Rates of compensation increase, Periodic cost	6.38%	6.43%
Expected long-term rates of return on pension plan assets (periodic cost)	6.75%	6.75%
Net Periodic Pension Expense | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rates, Periodic cost	3.17%	3.29%
Net Periodic Pension Expense | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rates, Periodic cost	3.98%	4.18%
Net Periodic Pension Expense | AXA Equitable Life QP
Defined Benefit Plan Disclosure [Line Items]
Discount rates	3.40%	3.81%
Net Periodic Pension Expense | AXA Equitable Excess Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rates	3.32%	3.69%
Net Periodic Pension Expense | MONY Life Retirement Income Security Plan For Employees
Defined Benefit Plan Disclosure [Line Items]
Discount rates	3.50%	3.98%
Net Periodic Pension Expense | AB Qualified Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rates	4.55%	4.75%
Net Periodic Pension Expense | Other Defined Benefit Plan | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	3.00%	3.17%
Net Periodic Pension Expense | Other Defined Benefit Plan | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	3.43%	3.86%
Net Postretirement Benefits Costs | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	2.80%	2.86%
Discount rates, Periodic cost	3.17%	3.29%
Net Postretirement Benefits Costs | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	3.52%	4.01%
Discount rates, Periodic cost	3.98%	4.18%

EMPLOYEE BENEFIT PLANS - Change

EMPLOYEE BENEFIT PLANS - Changes in Accumulated Benefit Obligation (Detail) - Net Postretirement Benefits Costs - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Benefits obligation, beginning of year			$ 537	$ 539	$ 539	$ 541
Service cost	$ 0	$ 0	1	1	2	2	$ 2
Interest cost	$ 4	$ 4	$ 12	$ 12	16	16	20
Contributions and benefits paid					(38)	(37)
Plan amendments/curtailments					0	0
Medicare Part D subsidy					0	0
Actuarial (gains) losses					18	16
Benefits Obligation, end of year					$ 537	$ 539	$ 541

EMPLOYEE BENEFIT PLANS - Estima

EMPLOYEE BENEFIT PLANS - Estimate of Future Benefits Expected to be Paid (Detail) $ in Millions	Dec. 31, 2017USD ($)
Pension Benefits
Defined Contribution Plan Disclosure [Line Items]
2,018	$ 243
2,019	247
2,020	240
2,021	236
2,022	232
Years 2023-2027	1,069
Net Postretirement Benefits Costs | Life Insurance
Defined Contribution Plan Disclosure [Line Items]
2,018	27
2,019	27
2,020	26
2,021	26
2,022	25
Years 2023-2027	119
Net Postretirement Benefits Costs | Gross Estimate Payment
Defined Contribution Plan Disclosure [Line Items]
2,018	18
2,019	16
2,020	15
2,021	14
2,022	13
Years 2023-2027	53
Net Postretirement Benefits Costs | Health Estimated Medicare PartD Subsidy
Defined Contribution Plan Disclosure [Line Items]
2,018	4
2,019	4
2,020	4
2,021	4
2,022	4
Years 2023-2027	17
Net Postretirement Benefits Costs | Net Estimate Payment
Defined Contribution Plan Disclosure [Line Items]
2,018	14
2,019	12
2,020	11
2,021	10
2,022	9
Years 2023-2027	$ 36

SHARE-BASED COMPENSATION PROG_2

SHARE-BASED COMPENSATION PROGRAMS - Narrative (Detail) $ / shares in Units, $ in Millions	Aug. 10, 2018shares	Jun. 11, 2018$ / sharesshares	May 17, 2018$ / sharesshares	May 09, 2018$ / sharesshares	Apr. 25, 2018	Apr. 06, 2018USD ($)shares	Mar. 26, 2018USD ($)shares	Dec. 31, 2017USD ($)$ / sharesshares	Jun. 21, 2017USD ($)shares	Apr. 07, 2017USD ($)shares	Mar. 24, 2017USD ($)shares	Jun. 06, 2016USD ($)€ / sharesshares	Apr. 08, 2016USD ($)shares	Mar. 22, 2016USD ($)shares	Jun. 19, 2015USD ($)€ / sharesshares	Apr. 03, 2015USD ($)shares	Apr. 02, 2015USD ($)shares	Mar. 16, 2012USD ($)shares	Jun. 21, 2017USD ($)€ / shares	Sep. 30, 2018USD ($)shares	Jun. 30, 2018shares	Sep. 30, 2017USD ($)shares	Sep. 30, 2018USD ($)shares	Sep. 30, 2017USD ($)shares	Dec. 31, 2017USD ($)$ / sharesshares	Dec. 31, 2017USD ($)$ / shares€ / sharesshares	Dec. 31, 2016USD ($)$ / sharesshares	Dec. 31, 2016USD ($)$ / shares€ / sharesshares	Dec. 31, 2015USD ($)$ / sharesshares	Dec. 31, 2015$ / shares€ / shares	Mar. 01, 2018$ / shares	Jun. 21, 2017€ / shares	Jun. 06, 2016€ / shares	Jun. 19, 2015€ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																				$ 31		$ 16.9	$ 47.5	$ 73.4	$ 247		$ 213		$ 243
Grants in period (in shares)		1,000,000
Exercised of Stock options | $																									0		0
Share-based compensation exercises in period, intrinsic value | $																													0.2
Exercises of stock options resulting in current deductible tax | $																													0.1
Windfall tax benefits resulted from exercise of stock option awards | $																													0.1
Purchased AB Holding Units to help fund anticipated obligations under its incentive compensation award program shares (in shares)	2,502,194																						2,500,000
Repurchase of AB Holding units | $																							$ 29	$ 0	$ 220		$ 236		214
Shares to be repurchased next year (in shares)																					30,000
Axa Ordinary Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)																									488,000
Purchased AB Holding Units to help fund anticipated obligations under its incentive compensation award program shares (in shares)																									22,974
Weighted average costs | $ / shares																									$ 23.14
Stock appreciation right outstanding								5,402,000																	5,402,000	5,402,000	9,536,000	9,536,000
Weighted average remaining contractual term																									4 years 2 months 12 days
AXA Holding Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock appreciation right outstanding								3,082,000																	3,082,000	3,082,000	5,085,000	5,085,000
Weighted average remaining contractual term																									1 year 2 months 12 days
Performance Share Plan Year 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share distributions | $											$ 21
Share distributions (in shares)											2,300,000			2,300,000
Cash distributions | $														$ 55
AXA Advisor Performance Unit Plan Year 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share distributions (in shares)										227,703
Cash distributions | $										$ 6
AXA Share Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																									$ 13		$ 19		$ 20
AXA Share Plan | Investment Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period																									4,000,000		6,000,000		5,000,000
Vesting period																									5 years
AXA Share Plan | Investment One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units share based compensation discount from market price																									20.00%
Share based compensation price per share | € / shares																										€ 20.19
AXA Share Plan | Investment Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units share based compensation discount from market price																									8.98%
Share based compensation price per share | € / shares																										€ 22.96
AXA Miles Program 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period																		50
Vesting period																		4 years
Share-based compensation arrangement by share-based payment award, description																		Half of each AXA Miles grant, or 25 AXA Miles, were subject to an additional vesting condition that required improvement in at least one of two AXA performance metrics in 2012 as compared to 2011.
Share based compensation arrangement by share based payment award options additional grants granted for distribution																		4,000,000
Share based compensation related to settlement agreement | $																		$ 0.2
Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																									$ 0.5		$ 0.5		$ 0.4
Share-based compensation arrangement by share-based payment award, purchase price of common stock, percent																									10.00%
Share-based compensation arrangement by share-based payment award, shares reserved purchased																									30,000,000
2017 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan expire date								Sep. 30, 2027
AXA Advisor Performance Unit Plan Year 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share distributions (in shares)													500,000
Cash distributions | $													$ 10
Performance Share Plan Year 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share distributions (in shares)																	2,400,000
Cash distributions | $																	$ 55
AXA Advisor Performance Unit Plan Year 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share distributions (in shares)																400,000
Cash distributions | $																$ 10
Omnibus Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards authorized (in shares)																				5,900,000			5,900,000
Transaction Incentive Grant Awards | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value | $																				$ 7.2			$ 7.2
AB
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchased AB Holding Units to help fund anticipated obligations under its incentive compensation award program shares (in shares)																				1,600,000		300,000	2,900,000	5,900,000	9,000,000		11,000,000
Repurchase of AB Holding units | $																				$ 48		$ 7	$ 83	$ 135	$ 220		$ 236
Open market purchase (in shares)																				1,600,000		300,000	2,800,000	5,200,000	5,000,000		8,000,000
Open market purchase | $																				$ 48		$ 7	$ 81	$ 117	$ 117		$ 176
Restricted holding unit awards granted to employees (in shares)																							600,000	1,000,000
Stock issued during period, in share																									1,200,000		400,000
Stock issued during period, in value | $																									$ 20		$ 6
The aggregate number of shared granted								60,000,000
Newly-issued AB Holding Units								30,000,000
Net of withholding tax requirements																									6,100,000
Units were available for grant								53,900,000																	53,900,000	53,900,000
Restricted holding unit awards granted to employees | $																							$ 11	$ 18
Non-officer Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																				0.6					$ 0.4		$ 0.4
Shares issued (in shares)			30,000																						55,000,000,000
Exercise price (in usd per share) | $ / shares			$ 21.68
Employees And Directors | AB
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted holding unit awards granted to employees (in shares)																									8,300,000
Employees [Member] | AB
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted holding unit awards granted to employees (in shares)																									6,100,000		6,100,000
Employees And Director [Member] | AB
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted holding unit awards granted to employees (in shares)																											7,000,000
Employees and eligible Directors | AB
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted holding unit awards granted to employees (in shares)																							2,500,000	2,100,000
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period			400,000
Compensation costs | $																				9.7		8.9	$ 14.1	$ 42.9	$ 45		$ 37		44
Performance Shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																							0.00%
Performance Shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																							200.00%
Performance Shares | 2015 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period															1,700,000
Compensation costs | $																									$ 5		6		14
Performance Shares | 2015 Grant | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																									0.00%
Performance Shares | 2015 Grant | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																									130.00%
Performance Shares | 2017 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period									1,700,000
Compensation costs | $																									$ 14
Performance Shares | 2017 Grant | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																									0.00%
Performance Shares | 2017 Grant | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																									130.00%
Performance Shares | 2016 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period												1,900,000
Compensation costs | $																									$ 6		15
Performance Shares | 2016 Grant | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																									0.00%
Performance Shares | 2016 Grant | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential shares earned, percent																									130.00%
Performance Shares | TSR Performance Share Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																				1.1
Compensation cost not yet recognized | $																				4.8			$ 4.8
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																				0.9		$ 0.4	$ 1.4	$ 1.2	$ 1		$ 1		$ 1
Exercise price | $ / shares		$ 4.61
Vesting period																							3 years
Expected term																							5 years 8 months 12 days
Grants in period, weighted average grant date fair value (in usd per share) | $ / shares		$ 21.34
Expected volatility rate																							25.40%
Expected Dividend rate																							2.44%
Risk free rate																							2.83%
Compensation cost not yet recognized | $								$ 1												4.8			$ 4.8		$ 1	€ 1
Recognition period for compensation costs																									2 years 9 months 18 days
Stock Options | Axa Ordinary Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price | $ / shares								$ 2.01																	$ 2.01	€ 2.01	$ 2.06	$ 2.06	$ 1.73	$ 1.73
Expected term																									8 years 9 months 18 days		8 years 1 month 6 days		8 years 2 months 12 days
Expected volatility rate																									25.05%		26.60%		23.68%
Expected Dividend rate																									6.53%		6.50%		6.29%
Risk free rate																									0.59%		0.33%		0.92%
Stock Options | AXA Holding Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price | $ / shares																											$ 2.75	$ 2.75	$ 4.13	$ 4.13
Expected term																											6 years		6 years
Expected volatility rate																											31.00%		32.10%
Expected Dividend rate																											7.10%		7.10%
Risk free rate																											1.30%		1.50%
Stock Options | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							33.33%
Stock Options | Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							33.33%
Stock Options | Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							33.33%
Stock Options | 2015 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																									$ 0.1		$ 0.1		$ 0.4
Grants in period (in shares)															400,000
Exercise price | € / shares																																		€ 22.90
Vesting period																									5 years
Expected term															10 years
Grants in period, weighted average grant date fair value (in usd per share) | € / shares															€ 1.58
Expected volatility rate															23.68%
Weighted Average Term															8 years 2 months 12 days
Expected Dividend rate															6.29%
Risk free rate															0.92%
Compensation cost not yet recognized | $															€ 1
Stock Options | 2015 Grant | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																									33.33%
Stock Options | 2015 Grant | Subject to conditional vesting term
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)															200,000
Stock Options | 2017 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $									$ 0.6
Grants in period (in shares)									500,000
Exercise price | € / shares																																€ 23.92
Vesting period																									5 years
Expected term									10 years
Grants in period, weighted average grant date fair value (in usd per share) | € / shares																			€ 1.78
Expected volatility rate									25.05%
Weighted Average Term									8 years 9 months 18 days
Expected Dividend rate									6.53%
Risk free rate									0.59%
Compensation cost not yet recognized | $									$ 1										€ 1
Stock Options | 2017 Grant | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																									33.33%
Stock Options | 2017 Grant | Subject to conditional vesting term
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)									300,000
Stock Options | 2016 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																									$ 0.6		0.1
Grants in period (in shares)												600,000
Exercise price | € / shares																																	€ 21.52
Vesting period																									5 years
Expected term												10 years
Grants in period, weighted average grant date fair value (in usd per share) | € / shares												€ 1.85
Expected volatility rate												26.60%
Weighted Average Term												8 years 1 month 6 days
Expected Dividend rate												6.50%
Risk free rate												0.33%
Compensation cost not yet recognized | $												€ 1
Stock Options | 2016 Grant | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																									0.33%
Stock Options | 2016 Grant | Subject to conditional vesting term
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)												300,000
Stock Options | June 2018 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																				0.9
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period																									11,069
Compensation costs | $																									$ 185		$ 154		174
Vesting period																									3 years
Compensation cost not yet recognized | $								$ 57																	$ 57	€ 57
Recognition period for compensation costs																									3 years
Restricted Stock Units (RSUs) | Axa Ordinary Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period																									12,929
Unvested outstanding shares								19,100,000																	19,100,000	19,100,000	37,416	37,416
Grants in period, weighted average grant date fair value (in usd per share) | $ / shares																									$ 27.49
Restricted Stock Units (RSUs) | AXA Holding Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested outstanding shares								19,100,000																	19,100,000	19,100,000
Restricted Stock Units (RSUs) | Transaction Incentive Grant Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period				700,000
Vesting percentage																							50.00%
Compensation cost not yet recognized | $																				3			$ 3
Requisite service period																							5 years
Restricted Stock Units (RSUs) | Transaction Incentive Grant Awards | Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																				2.6
Restricted Stock Units (RSUs) | Transaction Incentive Grant Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price growth rate																							130.00%
Restricted Stock Units (RSUs) | Transaction Incentive Grant Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price growth rate																							150.00%
Restricted Stock Units (RSUs) | All-Employee Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period				400,000
Compensation costs | $																				2.4
Compensation cost not yet recognized | $																				7.1			$ 7.1
Recognition period for compensation costs																							6 months
Individual basis grants during period (in shares)				50
Restricted Stock Units (RSUs) | Annual Awards 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period			1,300,000
Compensation costs | $																				2.5
Vesting period																							3 years
Compensation cost not yet recognized | $																				27.4			$ 27.4
Share price (in usd per share) | $ / shares																															$ 21.68
Restricted Stock Units (RSUs) | Annual Awards 2018 | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							33.33%
Restricted Stock Units (RSUs) | Annual Awards 2018 | Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							33.33%
Restricted Stock Units (RSUs) | Annual Awards 2018 | Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							33.33%
Restricted Stock Units (RSUs) | TSR Performance Share Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in usd per share) | $ / shares			$ 23.17
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs | $																									$ 0.2		$ 1		$ 2
Grants in period (in shares)																									15,542		43,606		20,337
Vesting period																									4 years
Stock appreciation right outstanding								400,000																	400,000	400,000
Weighted average remaining contractual term																									4 years 9 months 18 days
Accrued stock appreciation right | $								$ 4																	$ 4	€ 4	$ 4	$ 4
Stock Appreciation Rights (SARs) [Member] | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in usd per share) | € / shares																										€ 18.20		$ 18.65		$ 21
Stock Appreciation Rights (SARs) [Member] | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in usd per share) | € / shares																										€ 33.78		$ 33.78		$ 33.78
Performance Share [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Performance Units and shares at risk of achieving performance criteria								2,000,000																	2,000,000	2,000,000
Performance Share [Member] | Other liabilities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of Performance share unit | $																									$ 45		$ 31
R S U Service Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					3 years
Vesting percentage					50.00%
R S U Service Units | Transaction Incentive Grant Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period																							2 years
Vesting percentage																							50.00%
R S U Service Units | Transaction Incentive Grant Awards | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period				400,000
Cash-settled RSUs | Annual Awards 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period			500,000
AXA Performance Share Plan 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share distributions | $						$ 6	$ 21
Share distributions (in shares)						200,000	800,000
RSU Performance Units | Transaction Incentive Grant Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage																							50.00%
RSU Performance Units | Transaction Incentive Grant Awards | Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period				200,000
Compensation cost not yet recognized | $																				$ 3.6			$ 3.6
Grants in period, weighted average grant date fair value (in usd per share) | $ / shares				$ 16.47
RSU Performance Units | Transaction Incentive Grant Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period																							2 years
RSU Performance Units | Transaction Incentive Grant Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period																							5 years
IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in usd per share) | $ / shares				$ 20

SHARE-BASED AND OTHER COMPENS_3

SHARE-BASED AND OTHER COMPENSATION PROGRAMS - Summary of activity and Option Plan (Detail) € / shares in Units, $ / shares in Units, shares in Thousands	Jun. 11, 2018shares	Dec. 31, 2017EUR (€)$ / shares€ / sharesshares	Dec. 31, 2017EUR (€)€ / sharesshares	Dec. 31, 2017USD ($)$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	1,000
Axa Ordinary Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding at January 1, 2017		9,536	9,536
Options granted		488	488
Options exercised		(1,996)	(1,996)
Options forfeited, net		0	0
Options expired		(2,626)	(2,626)
Options Outstanding at December 31, 2017		5,402	5,402
Weighted Average Remaining Contractual Term (in years)		4 years 2 months 12 days	4 years 2 months 12 days
Options Exercisable at December 31, 2017		3,406	3,406	3,406
Weighted Average Remaining Contractual Term (in years)		2 years 9 months 18 days	2 years 9 months 18 days
Options Outstanding at January 1, 2017 | € / shares			€ 21.02
Options granted | € / shares			23.92
Options exercised | € / shares			18.02
Options forfeited, net | € / shares			0
Options expired | € / shares			33.77
Options Outstanding at December 31, 2017 | € / shares			17.36
Aggregate Intrinsic Value | € / shares			39,861
Options Exercisable at December 31, 2017 | € / shares		€ 14.68	€ 14.68
Aggregate Intrinsic Value | €		€ 34,275	€ 34,275
AXA American Depository Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding at January 1, 2017		45	45
Options exercised		(2)	(2)
Options forfeited, net		0	0
Options expired		(8)	(8)
Options Outstanding at December 31, 2017		35	35
Weighted Average Remaining Contractual Term (in years)		1 year 2 months 12 days	1 year 2 months 12 days
Options Exercisable at December 31, 2017		35	35	35
Weighted Average Remaining Contractual Term (in years)		1 year 2 months 12 days	1 year 2 months 12 days
Options Outstanding at January 1, 2017 | $ / shares		€ 24.90
Options exercised | $ / shares		21.35
Options forfeited, net | $ / shares		0
Options expired | $ / shares		42.62
Options Outstanding at December 31, 2017 | $ / shares		20.98
Aggregate Intrinsic Value | $ / shares		€ 303
Options Exercisable at December 31, 2017 | $ / shares				$ 42.62
Aggregate Intrinsic Value | $				$ 303
AXA Holding Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding at January 1, 2017		5,085	5,085
Options exercised		(1,180)	(1,180)
Options forfeited, net		0	0
Options expired		(823)	(823)
Options Outstanding at December 31, 2017		3,082	3,082
Weighted Average Remaining Contractual Term (in years)		1 year 2 months 12 days	1 year 2 months 12 days
Options Exercisable at December 31, 2017		3,018	3,018	3,018
Weighted Average Remaining Contractual Term (in years)		1 year 1 month 6 days	1 year 1 month 6 days
Options Outstanding at January 1, 2017 | $ / shares		€ 49.45
Options exercised | $ / shares		17.04
Options forfeited, net | $ / shares		0
Options expired | $ / shares		84.96
Options Outstanding at December 31, 2017 | $ / shares		€ 52.37
Options Exercisable at December 31, 2017 | $ / shares				$ 52.97

SHARE-BASED AND OTHER COMPENS_4

SHARE-BASED AND OTHER COMPENSATION PROGRAMS - Relevant Input Assumptions Used To Derive The Fair Values Of Options Awarded (Detail) - Stock Options - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 11, 2018
Schedule Of Share Based Compensation Valuation Assumptions [Line Items]
Expected dividend rate	2.44%
Expected volatility rate	25.40%
Risk-free interest rates	2.83%
Expected life in years	5 years 8 months 12 days
Weighted average fair value per option at grant date					$ 4.61
Axa Ordinary Shares
Schedule Of Share Based Compensation Valuation Assumptions [Line Items]
Expected dividend rate		6.53%	6.50%	6.29%
Expected volatility rate		25.05%	26.60%	23.68%
Risk-free interest rates		0.59%	0.33%	0.92%
Expected life in years		8 years 9 months 18 days	8 years 1 month 6 days	8 years 2 months 12 days
Weighted average fair value per option at grant date		$ 2.01	$ 2.06	$ 1.73
AXA Holding Unit
Schedule Of Share Based Compensation Valuation Assumptions [Line Items]
Expected dividend rate			7.10%	7.10%
Expected volatility rate			31.00%	32.10%
Risk-free interest rates			1.30%	1.50%
Expected life in years			6 years	6 years
Weighted average fair value per option at grant date			$ 2.75	$ 4.13

SHARE-BASED COMPENSATION PROG_3

SHARE-BASED COMPENSATION PROGRAMS - Summarizes Restricted a AXA Ordinary Share Activity (Detail) - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2017$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period (in shares)	11,069
Axa Ordinary Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested as of January 1, 2017	36,306
Granted in period (in shares)	12,929
Vested	11,819
Unvested as of December 31, 2017	37,416
Unvested as of January 1, 2017 | $ / shares	$ 24.46
Grants in period, weighted average grant date fair value (in usd per share) | $ / shares	27.49
Vested | $ / shares	24.30
Unvested as of December 31, 2017 | $ / shares	$ 24.04

INCOME TAXES - Additional Infor

INCOME TAXES - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2015
Income Taxes [Line Items]
Income (loss) from operations, before income taxes	$ (618)	$ 322	$ 428	$ 47	$ (147)		$ 750	$ 483	$ 132	$ 530	$ 1,306	$ 2,027	$ 428
Income Tax Benefit expense	$ (175)	$ 61	$ 91	$ (59)	$ 37	$ 21	$ 152	(41)	$ (23)	$ (100)	$ 49	378	(222)
Expected Federal income tax rate											35.00%
Consolidation impact on unrecognized tax benefits								(228)
Consolidation impact on tax expense related to non-deductible goodwill								$ 129
Unrecognized tax Benefits						$ 160								$ 105
Revaluation of Deferred tax assets and Liabilities											$ 32
Income tax expense repatriation of foreign currency											23
Federal Tax net operating loss carry forward											167	123
Atlernate Minimum Tax Credit											528	303
Deferred tax Revaluation											35
Deemed Repatriation of earning											23
Unrecoginsed Tax Benefits Interest and Penalties											83	126
Unrecoginsed Tax Benefit Including Interest Expense											$ (43)	25	(47)
Earliest Tax Year [Member]
Income Taxes [Line Items]
Federal net operating Loss Carry Forwards											Dec. 31, 2029
Latest Tax Year [Member]
Income Taxes [Line Items]
Federal net operating Loss Carry Forwards											Dec. 31, 2035
Domestic Tax Authority
Income Taxes [Line Items]
Income (loss) from operations, before income taxes											$ 1,163	1,908	311
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Income (loss) from operations, before income taxes											143	119	117
Income Tax Benefit expense											$ 30	$ 30	$ 29

INCOME TAXES - Summary of the I

INCOME TAXES - Summary of the Income Tax (Expenses) Benefit (Detail) - USD ($) $ in Millions	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income tax (expense) benefit:
Current (expense) benefit											$ 119	$ (169)	$ 136
Deferred (expense) benefit											(168)	(209)	86
Income tax (expense) benefit	$ 175	$ (61)	$ (91)	$ 59	$ (37)	$ (21)	$ (152)	$ 41	$ 23	$ 100	$ (49)	$ (378)	$ 222

INCOME TAXES - Summary of Sourc

INCOME TAXES - Summary of Sources of the Difference and their Tax Effects (Detail) - USD ($) pure in Millions, $ in Millions	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Expected income tax (expense) benefit											$ (457)	$ (710)	$ (149)
Noncontrolling interest											$ 138	$ 125	$ 96
Non-taxable investment income (loss)											25500.00%	17700.00%	19100.00%
Tax audit interest											$ (14)	$ (32)	$ (8)
State income taxes											(16)	(108)	(10)
Tax Settlements/Uncertain Tax Position Release											228	181	105
Change in Tax Law											(32)
Intangibles											(138)	(9)	(9)
Other											(13)	(2)	6
Income tax (expense) benefit	$ 175	$ (61)	$ (91)	$ 59	$ (37)	$ (21)	$ (152)	$ 41	$ 23	$ 100	$ (49)	$ (378)	$ 222

INCOME TAXES - Schedule of comp

INCOME TAXES - Schedule of components of the net deferred income taxes (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Income Taxes Disclosure Abstract
Compensation and related benefits	$ 328	$ 605
Net operating loss	35	43
Reserves and reinsurance	1,460	1,906
Investments	0	0
Alternative minimum tax credits	528	303
Other	170	537
Total	2,521	3,394
Net operating loss	0	0
DAC and VOBA	850	1,551
Unrealized investment gains (losses)	373	63
Investments	891	859
Alternative minimum tax credits	0	0
Other	0	0
Total	$ 2,114	$ 2,473

INCOME TAXES - Schedule Reconci

INCOME TAXES - Schedule Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Beginnning Balance	$ 729	$ 802	$ 857
Additions for tax positions of prior years	28	99	44
Reductions for tax positions of prior years	(247)	(172)	(99)
Additions for tax positions of current year	0	0	0
Settlements with Tax Authorities	(33)
Ending Balance	477	729	802
Unrecognized tax benefits that, if recognized, would impact the effective rate	$ 317	$ 485	$ 620

ACCUMULATED OTHER COMPREHENSI_3

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Cumulative Gains (Losses) (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ 13,871	$ 14,851	$ 16,582	$ 16,518	$ 15,411	$ 15,413	$ 14,376	$ 14,549	$ 13,515
Total accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(1,632)			(160)	(398)			(992)	(734)
Less: Accumulated other comprehensive (income) loss attributable to noncontrolling interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	37			52	53			71	57
Other comprehensive income (loss) attributable to Holdings
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(1,595)			(108)	(345)	$ (333)		(921)	(677)	$ 238
Unrealized gains (losses) on investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(841)			830	642			140	414
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(39)			(35)	(45)			(77)	(59)
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ (752)			$ (955)	$ (995)			$ (1,055)	$ (1,089)

ACCUMULATED OTHER COMPREHENSI_4

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Components of OCI, Net of Taxes (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Unrealized gains (losses) on investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), tax	$ (96)	$ (18)	$ (444)	$ 270	$ (262)	$ (164)	$ (505)
Reclassification from AOCI, current period, tax	7	9	(11)	16	5	29	(7)
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), tax	$ 18	$ 9	$ 54	$ 32	$ (51)	$ (19)	$ (19)

COMMITMENT AND CONTINGENT LIABI

COMMITMENT AND CONTINGENT LIABILITIES - Additional Information (Detail) shares in Millions	Apr. 23, 2018USD ($)	Dec. 31, 2017USD ($)		May 31, 2018USD ($)	Apr. 30, 2018USD ($)	Feb. 28, 2018USD ($)	Sep. 30, 2018USD ($)		Dec. 31, 2017USD ($)shares		Dec. 31, 2016USD ($)		Dec. 31, 2015USD ($)	May 04, 2018USD ($)	Apr. 20, 2018USD ($)	Apr. 12, 2018USD ($)	Nov. 30, 2016USD ($)	Feb. 29, 2016USD ($)
Loss Contingencies [Line Items]
Unaccrued amounts of reasonably possible range of losses		$ 90,000,000					$ 90,000,000		$ 90,000,000
long term Debt Maturities		0							0
long term Debt Maturities		552,000,000							552,000,000
long term Debt Maturities		1,092,000,000							1,092,000,000
long term Debt Maturities		0							0
long term Debt Maturities		770,000,000							770,000,000
long term Debt Maturities		1,760,000,000							1,760,000,000
Future Minimum Payment		214,000,000							214,000,000
Future Minimum Payment		207,000,000							207,000,000
Future Minimum Payment		177,000,000							177,000,000
Future Minimum Payment		169,000,000							169,000,000
Future Minimum Payment		156,000,000							156,000,000
Future Minimum Payment		334,000,000							334,000,000
Minimum Future Sublease		56,000,000							56,000,000
Minimum Future Sublease		58,000,000							58,000,000
Minimum Future Sublease		41,000,000							41,000,000
Minimum Future Sublease		40,000,000							40,000,000
Minimum Future Sublease		37,000,000							37,000,000
Minimum Future Sublease		60,000,000							60,000,000
Rent Expense									142,900,000		$ 140,200,000		$ 137,700,000
Sublease Income									16,400,000		15,800,000		5,200,000
Pledged Collateral Carrying value		4,500,000,000							4,500,000,000
Difference between funding carrying value and contractual obligation value									14,000,000
Severance and Lease Costs									29,000,000		21,000,000		$ 3,000,000
Real Estate Charges									37,000,000
Real Estate Charges Consolidation									40,000,000
Real Estate Charges Change in Estimates									4,000,000
Proceeds from other equity		756,000,000
Other assets		2,510,000,000	[1]				3,124,000,000	[2]	2,510,000,000	[1]	2,462,000,000	[1]
Uncommitted lines of credit		375,000,000							375,000,000
Guarantor obligations		$ 410,000,000							$ 410,000,000
Guarantor obligations additional guarantees		3							3
Number of foreign subsidiaries under guarantee obligations		1							1
Guarantor obligations, current carrying value		$ 2,000,000							$ 2,000,000
Guarantor obligations smaller guarantees		2							2
Investments in real estate funds		$ 81,782,000,000					78,942,000,000		$ 81,782,000,000		$ 72,318,000,000
Equity financing arrangements with limited partnerships							796,000,000
Equity financing arrangements with affiliates							233,000,000
Total Agricultural Mortgage Loans							379,000,000
Minimum | Oil and Gas
Loss Contingencies [Line Items]
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures		$ 8,000,000							8,000,000
Investments, lock in period		0 years
Commitment to total investment in partnerships		$ 6,000,000							6,000,000
Minimum | Venture Capital Funds
Loss Contingencies [Line Items]
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures		$ 35,000,000							35,000,000
Investments, lock in period		0 years
Maximum | Oil and Gas
Loss Contingencies [Line Items]
Investments, lock in period		3 years
Maximum | Venture Capital Funds
Loss Contingencies [Line Items]
Investments, lock in period		6 years
Letter of Credit
Loss Contingencies [Line Items]
Letters of credit outstanding, amount		$ 4,489,000,000							4,489,000,000
Reinsurance recoverables, including reinsurance premium paid		4,260,000,000							4,260,000,000
Line of credit facility, maximum borrowing capacity		636,000,000							636,000,000
Affiliates
Loss Contingencies [Line Items]
Proceeds from other equity		234,000,000
Consolidated Variable Interest Entities
Loss Contingencies [Line Items]
Proceeds from other equity		22,000,000
AXA Financial
Loss Contingencies [Line Items]
Letters of credit outstanding, amount		4,300,000,000							4,300,000,000
Axa Arizona
Loss Contingencies [Line Items]
Other assets		10,400,000,000							10,400,000,000
Axa Arizona | Revolving credit facility
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity		0							0								$ 1,500,000,000
Borrowing		1,500,000,000							1,500,000,000
ABUs Real Estate Lp
Loss Contingencies [Line Items]
Investments in real estate funds		25,000,000							25,000,000
Commitment to total investment in partnerships		22,000,000							22,000,000
ABUs Real Estate II Lp
Loss Contingencies [Line Items]
Investments in real estate funds		28,000,000							28,000,000
Commitment to total investment in partnerships		$ 10,000,000							$ 10,000,000
Brach Family Foundation Litigation
Loss Contingencies [Line Items]
Liability for future policy benefits, amount per policy																		$ 1,000,000
Federal Home Loan Bank of New York [Member]
Loss Contingencies [Line Items]
Purchase FHLBNY Stock | shares									144
Senior Debentures
Loss Contingencies [Line Items]
Remaining capacity at termination															$ 11,000,000
Credit Facility | Revolving credit facility
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity							$ 1,500,000,000									$ 1,500,000,000
Letter of Credit
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity						$ 1,500,000,000
Two Year Term Loan
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity	$ 3,900,000,000
Debt instrument, term	2 years
Two Year Term Loan | Senior Debentures
Loss Contingencies [Line Items]
Debt instrument, face amount					$ 3,900,000,000	$ 3,900,000,000
Remaining capacity at termination					$ 200,000,000
Debt instrument, term					2 years	2 years
Holdings Three-Year Delayed Draw Term Loan
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity						$ 3,900,000,000
Proceeds from lines of credit				$ 300,000,000
Debt instrument, term				3 years			2 years
Three Year Term Loan
Loss Contingencies [Line Items]
Debt instrument, term						3 years
Three Year Term Loan | Senior Debentures
Loss Contingencies [Line Items]
Debt instrument, face amount						$ 500,000,000
Remaining capacity at termination														$ 200,000,000
Holdings Revolving Credit Facility | Letter of Credit
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity					$ 1,500,000,000	1,500,000,000	$ 1,900,000,000
Holdings Revolving Credit Facility | Revolving credit facility
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity						2,500,000,000	$ 2,500,000,000
Debt instrument, face amount						$ 2,500,000,000
Debt instrument, term						5 years	5 years
Holdings Revolving Credit Facility | ACS Life | Letter of Credit
Loss Contingencies [Line Items]
Remaining capacity at termination					125,000,000
Holdings Revolving Credit Facility | AXA Equitable Life | Letter of Credit
Loss Contingencies [Line Items]
Remaining capacity at termination					$ 800,000,000
Holdings Revolving Credit Facility | EQ AZ | Revolving credit facility
Loss Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity						$ 1,900,000,000	$ 1,900,000,000
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.

COMMITMENT AND CONTINGENT LIA_2

COMMITMENT AND CONTINGENT LIABILITIES - Obligation Under Funding Agreements (Detail) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Outstanding balance at end of period	$ 3,000	$ 3,000	$ 2,238
Issued during the period	4,500	6,762	7,738
Repaid during the period	4,500	6,000	6,000
FHLBNY Short-Term Funding Agreements Maturing in Less than One Month
Loss Contingencies [Line Items]
Outstanding balance at end of period	500	500	500
Issued during the period	4,500	6,000	6,000
Repaid during the period	4,500	6,000	6,000
FHLBNY Long-Term Funding Agreements Maturing in Less than Four Years
Loss Contingencies [Line Items]
Outstanding balance at end of period	1,621	1,244	58
Issued during the period	0	324	58
Repaid during the period	0	0
FHLBNY Long-Term Funding Agreements Maturing in Less than Five Years
Loss Contingencies [Line Items]
Outstanding balance at end of period	98	377	862
Issued during the period	0	303	862
Repaid during the period	0	0
FHLBNY Long-Term Funding Agreements Maturing in Greater than Five Years
Loss Contingencies [Line Items]
Outstanding balance at end of period	781	879	818
Issued during the period	0	135	818
Repaid during the period	0	0
FHLBNY Long-Term Funding Agreements
Loss Contingencies [Line Items]
Outstanding balance at end of period	2,500	2,500	1,738
Issued during the period	0	762	$ 1,738
Repaid during the period	$ 0	$ 0

COMMITMENT AND CONTINGENT LIA_3

COMMITMENT AND CONTINGENT LIABILITIES - Restructuring (Detail) - AXA Shareplan - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Severance
Restructuring Cost and Reserve [Line Items]
Balance as of January 1, 2017	$ 23	$ 22	$ 11
Additions		17	20
Cash payments		(14)	(9)
Other reductions		(2)
Balance as of end of period		23	22
Leases
Restructuring Cost and Reserve [Line Items]
Balance as of January 1, 2017	165	170	190
Additions	(7)	(29)	12
Deferred rent	(2)	(10)	5
Cash payments	40	48	(42)
Interest accretion	(3)	(4)	5
Balance as of end of period	$ 137	$ 165	$ 170

INSURANCE GROUP STATUTORY FIN_2

INSURANCE GROUP STATUTORY FINANCIAL INFORMATION - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
AXA Equitable Life
Statutory Accounting Practices [Line Items]
Statutory net income (loss)		$ 942	$ 656	$ 2,042
Statutory surplus, capital stock and assets valuation reserve		8,573	5,893
Statutory accounting practices statutory amount available for dividend payments			1,050	767
Securities on deposit		85
AXA Equitable Life | New York Department of Financial Services
Statutory Accounting Practices [Line Items]
Statutory accounting practices, statutory capital and surplus required				200
AXA Equitable Life | Scenario, Forecast | Maximum
Statutory Accounting Practices [Line Items]
Statutory accounting practices statutory amount available for dividend payments	$ 1,242
Period after filing in which dividend not disapproved	30 days
ACS Life
Statutory Accounting Practices [Line Items]
Statutory accounting practices, statutory capital and surplus required		103	$ 157
ACS Life | Delaware Department of Insurance
Statutory Accounting Practices [Line Items]
Statutory accounting practices, statutory capital and surplus required				$ 242
AB | AB
Statutory Accounting Practices [Line Items]
Statutory accounting practices statutory amount available for dividend payments		245
Statutory accounting practices, statutory amount available for dividend payments with regulatory approval		$ 10

BUSINESS SEGMENT INFORMATION -

BUSINESS SEGMENT INFORMATION - Additional Information (Detail) - Segment	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Sales Information [Line Items]
Reportable segments individual retirement	4	4
Maximum
Sales Information [Line Items]
Revenues derived customer		10.00%	10.00%	10.00%

BUSINESS SEGMENT INFORMATION _2

BUSINESS SEGMENT INFORMATION - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Sales Information [Line Items]
Interest expense	$ 65	$ 42	$ 171	$ 115	$ 160	$ 174	$ 136
Corporate and Other
Sales Information [Line Items]
Interest expense	$ 65	$ 31	$ 171	$ 104	$ 138	$ 161	$ 131

EARNINGS PER SHARE - Narrative

EARNINGS PER SHARE - Narrative (Detail)	Apr. 24, 2018$ / sharesshares	Sep. 30, 2018$ / sharesshares	Sep. 30, 2018$ / sharesshares	Dec. 31, 2017$ / sharesshares	Dec. 31, 2016$ / shares
Earnings Per Share [Abstract]
common stock, shares authorized	2,000,000,000	2,000,000,000	2,000,000,000	2,000,000,000
Common stock, par value | $ / shares	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Stock split ratio	459.4752645
Antidilutive securities (in shares)		3,800,000	3,800,000

EARNINGS PER SHARE - Reconcilia

EARNINGS PER SHARE - Reconciliation of Numerator (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended					6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income (loss) attributable to Holdings common shareholders:
Net income (loss) attributable to Holdings common shareholders (basic):	$ 1,254	$ (496)	$ 164	$ 214	$ 10	$ (277)	$ 378	$ 341	$ (118)	$ 351	$ 834	$ 1,254	$ 325
Less: Incremental dilution from AB(1)		0			0				0	0	1		1
Net income (loss) attributable to Holdings common shareholders (diluted):		$ (496)			$ 10				$ (118)	$ 351	$ 833	$ 1,254	$ 324

EARNINGS PER SHARE - Basic and

EARNINGS PER SHARE - Basic and Diluted Earnings Per Share (Detail) - $ / shares	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income (loss) attributable to Holdings per common share:
Basic (in dollars per share)	$ (0.89)	$ 0.02	$ (0.21)	$ 0.63	$ 1.49	$ 2.24	$ 0.58
Diluted (in dollars per share)	$ (0.89)	$ 0.02	$ (0.21)	$ 0.63	$ 1.48	$ 2.24	$ 0.58

SUBSEQUENT EVENTS - Additional

SUBSEQUENT EVENTS - Additional information (Detail)	Nov. 09, 2018USD ($)$ / sharesshares	Aug. 10, 2018USD ($)$ / sharesshares	May 04, 2018USD ($)	Apr. 25, 2018	Apr. 23, 2018USD ($)	Apr. 20, 2018USD ($)	Feb. 01, 2018USD ($)	Apr. 30, 2018USD ($)	Apr. 20, 2018USD ($)	Mar. 31, 2018USD ($)JointVenture	Feb. 28, 2018USD ($)	Jan. 31, 2018USD ($)	May 31, 2016USD ($)	Jan. 31, 2016USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)	Sep. 30, 2018USD ($)shares	Sep. 30, 2017shares	Sep. 30, 2018USD ($)shares	Sep. 30, 2017shares	Dec. 31, 2017USD ($)shares	Dec. 31, 2016USD ($)shares	Dec. 31, 2015	Apr. 12, 2018USD ($)	Dec. 31, 2008USD ($)	Sep. 30, 2007USD ($)
Loans from affiliates																	$ 0		$ 0		$ 3,622,000,000	$ 2,904,000,000
Statutory reserves							$ 635,000,000
Number of real estate joint ventures sold | JointVenture										2
Proceeds from sales of business, affiliate and productive assets										$ 143,000,000			$ 825,000,000	$ 1,900,000,000
Reduction in long term debt due to sale of joint venture										203,000,000
An agreement to purchase a group annuity										$ 0.08
Dividends declared (in usd per share) | $ / shares		$ 0.13
Share repurchase plan, authorized amount		$ 500,000,000
Total Number of Shares (or Units) Purchased | shares		2,502,194																	2,500,000
Subsequent Event
Dividends declared (in usd per share) | $ / shares	$ 0.13
Share repurchase plan, authorized amount	$ 800,000,000
Incremental increase in authorized amount	$ 300,000,000
Accumulated repurchases (in shares) | shares	2,500,000
Accumulated repurchases	$ 57,000,000
Two Year Term Loan
Debt instrument, term					2 years
Line of credit facility, maximum borrowing capacity					$ 3,900,000,000
Three Year Term Loan
Debt instrument, term											3 years
Holdings Revolving Credit Facility | Revolving credit facility
Debt instrument, face amount											$ 2,500,000,000
Debt instrument, term											5 years								5 years
Line of credit facility, maximum borrowing capacity											$ 2,500,000,000						$ 2,500,000,000		$ 2,500,000,000
AXA Holdings
Related party transaction mortgage note payable, interest rate (as a percent)																					1.39%
AXA Financial
Consolidation, less than wholly owned subsidiary, additional interest issued to parent (as a percent)										0.50%							0.50%		0.50%
Economic interest in subsidiary (as a percent)										100.00%									100.00%		64.70%	63.70%
EQ AZ | Holdings Revolving Credit Facility | Revolving credit facility
Line of credit facility, maximum borrowing capacity											1,900,000,000						$ 1,900,000,000		$ 1,900,000,000
AXA Equitable Life
Percentage of single premium deferred annuities ceded							90.00%
Statutory reserves							$ 635,000,000
AXA -IM Holding U. S. Inc.
Ownership percentage after initial public offering (as a percent)					100.00%
Consolidation, less than wholly owned subsidiary, parent ownership interest, changes, purchase of interest by parent					$ 873,000,000
AB
Economic interest in subsidiary (as a percent)					65.00%														65.00%	47.00%	46.70%	45.80%
Consolidation, less than wholly owned subsidiary, parent ownership interest, changes, purchase of interest by parent					$ 217,000,000
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent					$ 185,000,000
Total Number of Shares (or Units) Purchased | shares																	1,600,000	300,000	2,900,000	5,900,000	9,000,000	11,000,000
R S U Service Units
Percentage of vested stock				50.00%
Expected expiration lock-up period				6 months
Vesting period				3 years
R S U Service Units | First Year Anniversary [Member]
Percentage of vested stock				25.00%
R S U Service Units | Second Year Anniversary [Member]
Percentage of vested stock				25.00%
R S U Service Units | Executive Officer
Percentage of vested stock				50.00%
Performance Restricted Stock Units PRSU
Vesting period				3 years
Performance Restricted Stock Units PRSU | Executive Officer
Percentage of vested stock				50.00%
Performance Shares | Executive Officer
Percentage of equity-based award				50.00%
Stock Options
Vesting period																			3 years
Stock Options | Executive Officer
Percentage of equity-based award				25.00%
Restricted Stock Units (RSUs)
Vesting period																					3 years
Restricted Stock Units (RSUs) | Executive Officer
Percentage of equity-based award				25.00%
Short Term Incentive Compensation Program 2018 | Minimum
Potential funding percentage				0.00%
Short Term Incentive Compensation Program 2018 | Maximum
Potential funding percentage				200.00%
Condition One | Performance Restricted Stock Units PRSU
Stock incentive plan, description				If, prior to the second anniversary of the offering date, the average closing price of the Company's share for thirty consecutive days is at least equal to 130% of the offering price, all Performance Units will immediately vest
Condition Two | Performance Restricted Stock Units PRSU
Stock incentive plan, description				If Condition #1 is not met but, prior to the fifth anniversary of the offering date, the average closing price of the Company's share for thirty consecutive days is at least equal to 150% of the offering price, all Performance Units will immediately vest
Condition Three | Performance Restricted Stock Units PRSU
Stock incentive plan, description				If neither Condition #1 or Condition #2 is met, fifty percent of the Performance Units will vest on the fifth anniversary of the offering date. The remaining 50% of the Performance Units will be forfeited
Percent of units vested				50.00%
Percent of units forfeited				50.00%
Note Maturity September 2012 | AXA Holdings
Repayments of Notes Payable									$ 650,000,000			$ 50,000,000
Loans from affiliates						$ 700,000,000			700,000,000			700,000,000														$ 700,000,000
Debt instrument, stated percentage																										5.40%
Note Maturity December 2020, One | AXA Holdings
Loans from affiliates																$ 242,000,000
Related party transaction mortgage note payable, interest rate (as a percent)																							1.44%
Debt instrument, stated percentage																4.75%
Note Maturity December 2020, One | AXA Financial
Repayments of Notes Payable									50,000,000			150,000,000			$ 300,000,000
Loans from affiliates						500,000,000			500,000,000			$ 500,000,000									$ 200,000,000				$ 500,000,000
Debt instrument, stated percentage																									5.40%
Senior Debentures
Debt instrument, stated percentage																	7.00%		7.00%		7.00%
Proceeds from unsecured debt						2,530,000,000
Remaining capacity at termination						11,000,000			11,000,000
Senior Debentures | Two Year Term Loan
Debt instrument, face amount								$ 3,900,000,000			$ 3,900,000,000
Debt instrument, term								2 years			2 years
Remaining capacity at termination								$ 200,000,000
Senior Debentures | Three Year Term Loan
Debt instrument, face amount											$ 500,000,000
Proceeds from unsecured debt			$ 300,000,000
Remaining capacity at termination			$ 200,000,000
Senior Notes | Senior Notes (3.90%, due 2023)
Debt instrument, face amount						$ 800,000,000			$ 800,000,000
Debt instrument, stated percentage						3.90%			3.90%
Senior Notes | Senior Notes (4.35%, due 2028)
Debt instrument, face amount						$ 1,500,000,000			$ 1,500,000,000
Debt instrument, stated percentage						4.35%			4.35%								4.35%		4.35%
Senior Notes | Senior Notes (4.35%, due 2028) | Previously Reported [Member]
Debt instrument, stated percentage						4.35%			4.35%
Senior Notes | Senior Notes (5.00%, due 2048)
Debt instrument, face amount						$ 1,500,000,000			$ 1,500,000,000
Debt instrument, stated percentage						5.00%			5.00%								5.00%		5.00%
Senior Notes | Senior Notes (5.00%, due 2048) | Previously Reported [Member]
Debt instrument, stated percentage						5.00%			5.00%
Credit Facility | Revolving credit facility
Line of credit facility, maximum borrowing capacity																	$ 1,500,000,000		$ 1,500,000,000					$ 1,500,000,000
Note Maturity June 2018 | AXA Holdings
Loans from affiliates																	$ 630,000,000		$ 630,000,000		$ 622,000,000
Note Maturity December 2028 | AXA Holdings
Loans from affiliates																$ 145,000,000					$ 387,000,000	$ 387,000,000
Related party transaction mortgage note payable, interest rate (as a percent)																4.75%

SUBSEQUENT EVENTS - Schedule of

SUBSEQUENT EVENTS - Schedule of Expected Performance Objectives and Weightings (Detail) - Short Term Incentive Compensation Program 2018	Apr. 25, 2018
Non GAAP Operating Earnings
Subsequent Event [Line Items]
Percentage Of Short Term Incentive Plan	50.00%
Premiums and Flows
Subsequent Event [Line Items]
Percentage Of Short Term Incentive Plan	25.00%
Strategic Goals
Subsequent Event [Line Items]
Percentage Of Short Term Incentive Plan	25.00%

SCHEDULE I ( SUMMARY OF INVESTM

SCHEDULE I ( SUMMARY OF INVESTMENTS-OTHER THAN INVESTMENTS IN RELATED PARTIES) (Detail) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		$ 44,574	$ 45,256	$ 41,445
Equity investments		43,779	47,131	41,992
U.S. Treasury, government and agency
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		14,052	17,759	15,187
Equity investments		13,457	18,508	14,836
States and political subdivisions
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		417	422	441
Equity investments		459	489	503
Foreign governments
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		440	395	384
Equity investments		448	419	400
Residential mortgage-backed
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		234	797	980	[1],[2]
Equity investments		242	818	1,005	[1],[2]
Asset- backed
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		624	745	273	[3]
Equity investments		620	749	282	[3]
Redeemable preferred stock
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		480	470	532
Equity investments		503	512	566
Fixed Maturities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis		44,574	45,068	41,332
Equity investments		$ 43,779	46,941	$ 41,879
Parent
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			79,868
Equity investments	[4]		82,677
Investment Carrying Value			81,782
Parent | U.S. Treasury, government and agency
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			17,759
Equity investments	[4]		18,508
Investment Carrying Value			18,508
Parent | States and political subdivisions
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			422
Equity investments	[4]		489
Investment Carrying Value			489
Parent | Foreign governments
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			383
Equity investments	[4]		405
Investment Carrying Value			405
Parent | Public Utilities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			4,061
Equity investments	[4]		4,261
Investment Carrying Value			4,261
Parent | Other Corporate Bonds
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			20,448
Equity investments	[4]		21,217
Investment Carrying Value			21,217
Parent | Residential mortgage-backed
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			797
Equity investments	[4]		818
Investment Carrying Value			818
Parent | Asset- backed
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			740
Equity investments	[4]		744
Investment Carrying Value			744
Parent | Redeemable preferred stock
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			458
Equity investments	[4]		499
Investment Carrying Value			499
Parent | Fixed Maturities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			45,068
Equity investments	[4]		46,941
Investment Carrying Value			46,941
Parent | Real Estate Mortgage Loans
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			10,960
Equity investments	[4]		10,912
Investment Carrying Value			10,952
Parent | Private Real Estate Investment Trust
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			390
Equity investments	[4]		390
Investment Carrying Value			390
Parent | Policy Loans
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			3,819
Equity investments	[4]		4,754
Investment Carrying Value			3,819
Parent | Other
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			1,384
Equity investments	[4]		1,392
Investment Carrying Value			1,392
Parent | Trading Securities
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			14,129
Equity investments	[4]		14,170
Investment Carrying Value			14,170
Parent | Other Assets
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]
Available-for-sale securities, amortized cost basis			4,118
Equity investments	[4]		4,118
Investment Carrying Value			$ 4,118
[1]	Amounts represent OTTI losses in AOCI, which were not included in income (loss) in accordance with current accounting guidance.
[2]	Includes publicly traded agency pass-through securities and collateralized obligations.
[3]	Includes credit-tranched securities collateralized by sub-prime mortgages and other asset types and credit tenant loans.
[4]	Cost for fixed maturities represents original cost, reduced by repayments and writedowns and adjusted for amortization of premiums or accretion of discount; cost for equity securities represents original cost reduced by writedowns; cost for other limited partnership interests represents original cost adjusted for equity in earnings and reduced by distributions.

SCHEDULE II Condensed Financial

SCHEDULE II Condensed Financial Information of Parent Company - Balance Sheets (Detail) - USD ($) $ in Millions	Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017		Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014
ASSETS
Total investments	$ 78,942				$ 81,782					$ 72,318
Cash and cash equivalents	4,777	[1]			4,814	[2]	$ 6,446			5,654	[2]	$ 6,557	$ 6,002
Loans to affiliates	0				1,230		1,234	$ 1,235		1,246
Other assets	3,124	[1]			2,510	[2]				2,462	[2]
Total Assets	234,451		$ 230,947	$ 232,256	235,615		230,918	226,712	$ 223,591	216,645
LIABILITIES
Loans from affiliates	0				3,622					2,904
Total liabilities	220,437		215,950	214,650	218,471		215,067	210,938	208,799	201,693
Equity attributable to Holdings:
Common stock, $0.01 par value, 2,000,000,000 shares authorized, 561,000,000 shares issued and 558,526,870 shares outstanding	6				6					6
Capital in excess of par value	2,025				1,298		998	955		931	[3]
Retained earnings	12,031		12,601	12,437	12,225		11,742	11,732	11,114	11,391
Accumulated other comprehensive income (loss)	(1,595)				(108)		(345)	(333)		(921)
Total equity attributable to Holdings	12,411		13,364	13,547	13,421		12,401	12,360	11,271	11,407
Total Liabilities, Redeemable Noncontrolling Interest and Equity	$ 234,451		$ 230,947	$ 232,256	235,615		$ 230,918	$ 226,712	$ 223,591	216,645
Parent
ASSETS
Investment in consolidated subsidiaries					13,772					12,012
Total investments					13,772					12,012
Cash and cash equivalents					44					5
Loans to affiliates					1,045					145
Other assets					1
Income taxes receivable					72					58
Total Assets					14,934					12,220
LIABILITIES
Loans from affiliates					1,484					809
Accrued liabilities					29					4
Total liabilities					1,513					813
Equity attributable to Holdings:
Common stock, $0.01 par value, 2,000,000,000 shares authorized, 561,000,000 shares issued and 558,526,870 shares outstanding					6					6
Capital in excess of par value					1,298					931
Retained earnings					12,225					11,391
Accumulated other comprehensive income (loss)					(108)					(921)
Total equity attributable to Holdings					13,421					11,407
Total Liabilities, Redeemable Noncontrolling Interest and Equity					$ 14,934					$ 12,220
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.
[3]	Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 stock split effected on April 24, 2018.

SCHEDULE II Condensed Financi_2

SCHEDULE II Condensed Financial Information of Parent Company - Balance Sheets (Parenthetical) (Detail) - $ / shares	Sep. 30, 2018	Apr. 24, 2018	Dec. 31, 2017	Dec. 31, 2016
Consolidated Balance Sheet Statements Captions [Line Items]
Common stock par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Common stock authorized (in shares)	2,000,000,000	2,000,000,000	2,000,000,000
Common stock issued (in shares)	561,000,000	561,000,000	561,000,000
Common stock outstanding (in shares)	558,526,870		558,526,870
Parent
Consolidated Balance Sheet Statements Captions [Line Items]
Common stock par value (in dollars per share)			$ 0.01	$ 0.01

Schedule II Condensed Financi_3

Schedule II Condensed Financial Information of Parent Company - STATEMENTS OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
REVENUES
Total net investment income (loss)												$ 3,082	$ 2,665		$ 2,450
Other Income		$ 135			$ 102					$ 376	$ 356	445	402		419
Total revenues		1,083	$ 2,966	$ 2,874	2,806	$ 2,844		$ 5,840	$ 6,732	6,923	9,538	12,460	11,763		10,043
EXPENSES
Interest expense		65			42					171	115	160	174		136
Other operating costs and expenses (includes $1, $2, $3 and $6 of deferred policy acquisition costs, respectively)		430			450					1,349	1,608	2,076	1,516		1,585
Income tax (expense) benefit		175	(61)	(91)	59	(37)	$ (21)	(152)	41	23	100	(49)	(378)		222
Net income (loss)		(443)	261	337	106	(184)		598	524	155	630	1,257	1,649		650
Total comprehensive income (loss) attributable to Holdings	$ 1,254	$ (496)	164	214	$ 10	(277)		378	341	$ (118)	351	834	1,254		325
Impact of Adjustments
REVENUES
Total revenues			4	39		14		43	20		43	(54)	(138)	[1],[2]	(19)
EXPENSES
Income tax (expense) benefit			(2)	(12)		(7)		(14)	(13)		(63)	(8)	(24)	[1],[2]	10
Net income (loss)			6	46		13		52	23		159	(16)	79	[1],[2],[3]	(9)
Total comprehensive income (loss) attributable to Holdings			$ 6	$ 46		$ 13		$ 52	$ 23		$ 159	(16)	57	[1],[2]	(5)
Parent | Impact of Adjustments
REVENUES
Equity in income (losses) from continuing operations of consolidated subsidiaries												863	1,293		353
Total net investment income (loss)												8	7		15
Other Income															2
Total revenues												871	1,300		370
EXPENSES
Interest expense												31	27		23
Other operating costs and expenses (includes $1, $2, $3 and $6 of deferred policy acquisition costs, respectively)												22	26		24
Total expenses												53	53		47
Income (loss) from continuing operations, before income taxes												818	1,247		323
Income tax (expense) benefit												16	7		2
Net income (loss)												834	1,254		325
Other comprehensive income (loss), tax												816	(276)		(937)
Total comprehensive income (loss) attributable to Holdings												$ 1,647	$ 1,010		$ (590)
[1]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[2]	Excludes expense of $7 million in securities sold under agreement to repurchase.
[3]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.

Schedule II Condensed Financi_4

Schedule II Condensed Financial Information of Parent Company - STATEMENTS OF CASH FLOWS (Detail) - USD ($) $ in Millions	3 Months Ended								6 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018		Sep. 30, 2017	Mar. 31, 2017		Jun. 30, 2018		Jun. 30, 2017		Sep. 30, 2018		Sep. 30, 2017		Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss) attributable to Holdings	$ 443		$ (261)	$ (337)		$ (106)	$ 184		$ (598)		$ (524)		$ (155)		$ (630)		$ (1,257)		$ (1,649)		$ (650)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Other, net													(139)		253		127		(128)		(159)
Net cash provided by (used in) operating activities				(264)			72		(314)		666		(33)		1,044		1,021		(236)		(192)
Cash flows from investing activities:
Additional loans to affiliates																			(12)		(275)
Purchase of shares of consolidated subsidiaries																	(55)
Net cash provided by (used in) investing activities													(1,056)		(6,568)		(9,689)		(5,768)		(2,141)
Cash flows from financing activities:
Proceeds from loans from affiliates													0		109		731				694
Repayments of loans from affiliates													(3,000)		(56)		(56)		(1,752)		(1,454)
Capital contribution from parent													8		0		318
Net cash provided by (used in) financing activities													1,061		6,299		7,806		5,111		2,898
Change in cash and cash equivalents													(37)		792		(840)		(903)		555
Cash and cash equivalents, beginning of year				4,814	[1]		5,654	[1]	4,814	[1]	5,654	[1]	4,814	[1]	5,654	[1]	5,654	[1]	6,557		6,002
Cash and cash equivalents, end of period	$ 4,777	[2]				$ 6,446							4,777	[2]	6,446		4,814	[1]	5,654	[1]	6,557
Impact of Adjustments
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss) attributable to Holdings			$ (6)	(46)			(13)		(52)		(23)				(159)		16		(79)	[3],[4],[5]	9
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net cash provided by (used in) operating activities				0			0		0		0				0		0		0
Impact of Adjustments | Parent Company
Condensed Cash Flow Statements, Captions [Line Items]
Net income (loss) attributable to Holdings																	834		1,254		325
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Equity in net (earnings) loss of subsidiaries																	(863)		(1,293)		(353)
Change in income tax receivable																	(14)		(6)		(258)
Dividend from Subsidiary																	20
Other, net																	24		27		23
Net cash provided by (used in) operating activities																	1		(18)		(263)
Cash flows from investing activities:
Repayments of loans to affiliates																					242
Additional loans to affiliates																	(900)
Purchase of shares of consolidated subsidiaries																	(55)
Net cash provided by (used in) investing activities																	(955)				242
Cash flows from financing activities:
Change in short-term financings																					1
Proceeds from loans from affiliates																	731				394
Repayments of loans from affiliates																	(56)				(933)
Capital contribution from parent																	318
Net cash provided by (used in) financing activities																	993				(538)
Change in cash and cash equivalents																	39		(18)		(559)
Cash and cash equivalents, beginning of year				$ 44			$ 5		$ 44		$ 5		$ 44		$ 5		5		23		582
Cash and cash equivalents, end of period																	$ 44		$ 5		$ 23
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.
[3]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[4]	Excludes expense of $7 million in securities sold under agreement to repurchase.
[5]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.

Schedule ll Loan to Affiliates

Schedule ll Loan to Affiliates - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2013	Sep. 30, 2018	Dec. 31, 2016
Loans from affiliates	$ 3,622		$ 0	$ 2,904
Loan*to*affiliate*member | AXA -IM Holding U. S. Inc.
Loans from affiliates	$ 900
Unsecured loan, interest rate	1.55%
Unsecured loan, maturity period	2,018
Coliseum Reinsurance Company | Loan*to*affiliate*member
Loans from affiliates		$ 145
Unsecured loan, interest rate		4.75%
Unsecured loan, maturity period		2,028

Schedule ll Loan from Affiliate

Schedule ll Loan from Affiliates - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2015	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2013
Loans from affiliates	$ 3,622		$ 0		$ 0		$ 3,622	$ 2,904
Interest cost related to these loans			$ 65	$ 42	$ 171	$ 115	160	174	$ 136
Loan*from*affiliate*member | Parent Company
Loans from affiliates	$ 100						100
Unsecured loan, interest rate	1.86%
Unsecured loan, maturity period	2,018
Interest cost related to these loans							31	27	23
Loan*from*affiliate*member | Parent Company | London Interbank Offered Rate (LIBOR)
Loans from affiliates	$ 622						622
Unsecured loan, interest rate	0.439%
Unsecured loan, maturity period	2,018
Loan*from*affiliate*member | AXA Shareplan
Loans from affiliates	$ 10						10
Unsecured loan, interest rate	1.76%
AXA -IM Holding U. S. Inc. | Loan*from*affiliate*member
Loans from affiliates	$ 387	$ 366					$ 387	$ 387	$ 366	$ 145
Unsecured loan, interest rate	1.39%	1.44%
Unsecured loan, maturity period	2,015	2,022					2,028
Loans from affiliates	$ 56
Colisee Re. | Loan*from*affiliate*member
Loans from affiliates										$ 242

Schedule III Supplementary In_2

Schedule III Supplementary Insurance Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2018
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred Policy Acquisition Costs	$ 5,919	$ 6,049
Policyholders’ liabilities: Investment contracts	47,171	41,956		$ 50,066
Future Policy Benefits and Other Policyholders' Funds	30,330	30,357
Policy Charges And Premium Revenue	4,817	4,812	$ 4,698
Net Investment Income (Loss)	3,296	817	1,046
Policyholders' Benefits and Interest Credited	5,361	4,309	4,435
Amortization of Deferred Policy Acquisition Costs, Net	(184)	82	(292)
All Other Operating Expense	5,977	5,345	5,472
Individual Retirement
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred Policy Acquisition Costs	2,877	2,587
Policyholders’ liabilities: Investment contracts	19,414	15,551
Future Policy Benefits and Other Policyholders' Funds	15,202	14,268
Policy Charges And Premium Revenue	2,114	1,980	1,944
Net Investment Income (Loss)	1,292	(1,060)	(881)
Policyholders' Benefits and Interest Credited	2,728	1,195	1,140
Amortization of Deferred Policy Acquisition Costs, Net	(289)	(283)	(294)
All Other Operating Expense	1,291	1,240	1,246
Group Retirement
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred Policy Acquisition Costs	678	614
Policyholders’ liabilities: Investment contracts	11,318	10,996
Future Policy Benefits and Other Policyholders' Funds	2	(2)
Policy Charges And Premium Revenue	248	217	220
Net Investment Income (Loss)	523	431	423
Policyholders' Benefits and Interest Credited	282	268	260
Amortization of Deferred Policy Acquisition Costs, Net	(61)	(32)	(28)
All Other Operating Expense	526	378	379
Investment Management and Research
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Net Investment Income (Loss)	118	133	35
All Other Operating Expense	2,517	2,306	2,394
Protection Solutions
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred Policy Acquisition Costs	2,304	2,773
Policyholders’ liabilities: Investment contracts	13,908	13,617
Future Policy Benefits and Other Policyholders' Funds	5,444	5,940
Policy Charges And Premium Revenue	1,995	2,156	2,024
Net Investment Income (Loss)	850	763	743
Policyholders' Benefits and Interest Credited	1,432	1,940	2,049
Amortization of Deferred Policy Acquisition Costs, Net	174	358	(9)
All Other Operating Expense	939	793	819
Corporate and Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Deferred Policy Acquisition Costs	60	75
Policyholders’ liabilities: Investment contracts	2,531	1,792
Future Policy Benefits and Other Policyholders' Funds	9,682	10,151
Policy Charges And Premium Revenue	460	459	510
Net Investment Income (Loss)	513	550	726
Policyholders' Benefits and Interest Credited	919	906	986
Amortization of Deferred Policy Acquisition Costs, Net	(8)	39	39
All Other Operating Expense	$ 704	$ 628	$ 634

Schedule IV Reinsurance (Detail

Schedule IV Reinsurance (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Effects of Reinsurance [Line Items]
Gross amount	[1]	$ 1,038	$ 998		$ 982
Ceded to Other Companies	[1]	139	146		146
Assumed from Other Companies	[1]	225	231		234
Net Amount	[1]	$ 1,124	$ 1,083		$ 1,070
Premiums:
Premiums,Percentage of Amount Assumed to Net		20.00%	21.30%	[1]	21.90%
Life insurance in-force
Effects of Reinsurance [Line Items]
Gross amount	[1]	$ 483,010	$ 485,888		$ 492,061
Ceded to Other Companies	[1]	73,049	77,306		80,536
Assumed from Other Companies	[1]	31,886	30,688		30,677
Net Amount	[1]	$ 441,847	$ 439,270		$ 442,202
Life insurance in-force,Percentage of amount assumed to Net	[1]	7.20%	7.00%		6.90%
Premiums:
Life insurance in-force,Percentage of amount assumed to Net	[1]	7.20%	7.00%		6.90%
Life insurance and annuities
Effects of Reinsurance [Line Items]
Gross amount	[1]	$ 984	$ 937		$ 915
Ceded to Other Companies	[1]	103	106		101
Assumed from Other Companies	[1]	216	222		224
Net Amount	[1]	$ 1,097	$ 1,053		$ 1,038
Premiums:
Premiums,Percentage of Amount Assumed to Net		19.70%	21.10%	[1]	21.60%
Life insurance and annuities
Effects of Reinsurance [Line Items]
Gross amount	[1]	$ 54	$ 61		$ 67
Ceded to Other Companies	[1]	36	40		45
Assumed from Other Companies	[1]	9	9		10
Net Amount	[1]	$ 27	$ 30		$ 32
Premiums:
Premiums,Percentage of Amount Assumed to Net		33.30%	30.00%	[1]	31.30%
[1]	Includes amounts related to the discontinued group life and health business.

ORGANIZATION (Details)

ORGANIZATION (Details)	Sep. 30, 2018	May 14, 2018shares	Apr. 23, 2018shares	Mar. 31, 2018	Sep. 30, 2018Segmentclient_channel	Sep. 30, 2017	Dec. 31, 2017ClientSegment	Dec. 31, 2016
Class of Stock [Line Items]
Number of reportable segments | Segment					4		4
Number of main client channels					3		3
IPO
Class of Stock [Line Items]
Shares issued in initial public offering (in shares)		157,837,500
Ownership percentage after initial public offering (as a percent)	72.00%
AXA Financial
Class of Stock [Line Items]
Economic interest in subsidiary (as a percent)				100.00%	100.00%		64.70%	63.70%
Consolidation, less than wholly owned subsidiary, additional interest issued to parent (as a percent)	0.50%			0.50%	0.50%
AB
Class of Stock [Line Items]
Economic interest in subsidiary (as a percent)			65.00%		65.00%	47.00%	46.70%	45.80%
Consolidation, less than wholly owned subsidiary, purchase of interest by parent, shares (in shares)			8,160,000
AXA -IM Holding U. S. Inc.
Class of Stock [Line Items]
Ownership percentage after initial public offering (as a percent)			100.00%
Consolidation, less than wholly owned subsidiary, purchase of interest by parent, shares (in shares)			41,934,582

SIGNIFICANT ACCOUNTING POLICI_5

SIGNIFICANT ACCOUNTING POLICIES - Adoption of New Accounting Pronouncements (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Variable Interest Entity [Line Items]
Retained earnings (accumulated deficit)	$ (12,031)	$ (12,601)	$ (12,437)	$ (11,742)	$ (11,114)	$ (12,601)	$ (11,732)	$ (12,031)	$ (11,742)	$ (12,225)	$ (11,391)
Noncontrolling interest	1,460							1,460		3,097	3,142
Net income (loss)	(443)	261	337	106	(184)	598	524	155	630	1,257	1,649	$ 650
Policyholders’ benefits	318	900	594	1,077	1,091	1,494	2,823	1,812	3,900	4,366	3,342	3,501
Net derivative investment gains (loss)	(2,006)	(46)	(236)	(316)	(204)	(282)	548	(2,288)	232	214	(1,848)	(1,404)
DAC amortization expense										(503)	(779)
Income (loss) from continuing operations, before income taxes	(618)	322	428	47	(147)	750	483	132	530	1,306	2,027	428
Insurance Commissions and Fees	(951)	$ (964)	$ (966)	$ (953)	$ (939)	$ (1,930)	$ (1,857)	$ (2,881)	$ (2,810)	(3,693)	(3,729)	(3,628)
Accounting Standards Update 2016-01
Variable Interest Entity [Line Items]
Equity securities, Fv Ni										46
Difference Between Revenue Guidance In Effect Before And After Topic 606 | Accounting Standards Update 2014-09
Variable Interest Entity [Line Items]
Retained earnings (accumulated deficit)										(13)
Noncontrolling interest										19
Noncontrolling interest, cumulative contributions received										78
Noncontrolling interest, cumulative contributions paid										43
GMIB
Variable Interest Entity [Line Items]
Net derivative investment gains (loss)										159	(93)	$ (322)
Long-term Lapses Partial Withdrawal Rates And Election Assumptions Updates
Variable Interest Entity [Line Items]
Net income (loss)	(131)
Policyholders’ benefits	(673)									277	117
Net derivative investment gains (loss)	(1,095)
DAC amortization expense	(286)									$ 112	$ 201
Income (loss) from continuing operations, before income taxes	160
Insurance Commissions and Fees	$ 24

SIGNIFICANT ACCOUNTING POLICI_6

SIGNIFICANT ACCOUNTING POLICIES - Variable Interest Entities (Details) $ in Millions	Sep. 30, 2018USD ($)JointVenture		Dec. 31, 2017USD ($)		Dec. 31, 2016USD ($)
Variable Interest Entity [Line Items]
Other equity investments	$ 1,387	[1]	$ 1,392	[2]	$ 1,345	[2]
Variable interest entity, maximum loss exposure			1,131
Total assets			393		36
Real estate held for production of income	54	[1]	390	[2]	56	[2]
Total liabilities			229		11
Redeemable non-controlling interest	$ 143	[1]	626	[2]	$ 403	[2]
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of consolidated real estate joint ventures | JointVenture	1
Total assets	$ 37
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure
Variable Interest Entity [Line Items]
Real estate held for production of income	$ 17
Number of noncosolidated real estate joint ventures | JointVenture	2
Voting Interest Entities | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total assets	$ 121
Total liabilities	3
Noncontrolling interest in variable interest entity	21
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Total assets	202
Total liabilities	6
Redeemable non-controlling interest	80
Adjustments for New Accounting Pronouncement | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Variable interest entity, unfunded commitments	783
Adjustments for New Accounting Pronouncement | Other Equity Investments | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Variable interest entity, nonconsolidated net assets	166,100
Variable interest entity, maximum loss exposure	1,200
Insurance | Adjustments for New Accounting Pronouncement | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Other equity investments	1,200
Total investment management and service fees
Variable Interest Entity [Line Items]
Variable interest entity, nonconsolidated net assets			53,600
Variable interest entity, maximum loss exposure			$ 7.9
Total investment management and service fees | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Variable interest entity, nonconsolidated net assets	58,200
Variable interest entity, maximum loss exposure	$ 6
[1]	See Note 2 for details of balances with variable interest entities.
[2]	See Note 2 for details of balances with variable interest entities.

INVESTMENTS - Mortgage Loans (D

INVESTMENTS - Mortgage Loans (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	$ 379
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	379
Commercial Mortgage Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	9,405	$ 8,386
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	27	27
Financing receivables, recorded investment, current	9,378	8,359
Total Financing Receivables	9,405	8,386
Recorded Investment 90 Days or More and Accruing	0	0
Commercial Mortgage Loans | With no related allowance recorded
Impaired Mortgage Loans
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Commercial Mortgage Loans | With related allowance recorded
Impaired Mortgage Loans
Recorded Investment	27	27
Unpaid Principal Balance	27	27
Related Allowance	(7)	(8)
Average Recorded Investment	27	27
Interest Income Recognized	0	2
Commercial Mortgage Loans | Financing Receivables, 30 to 59 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	0	27
Commercial Mortgage Loans | Financing Receivables, 60 to 89 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	0	0
Commercial Mortgage Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	27	0
Commercial Mortgage Loans | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	5,783	5,016
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	5,783	5,016
Commercial Mortgage Loans | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	780	792
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	780	792
Commercial Mortgage Loans | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,739	1,609
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,739	1,609
Commercial Mortgage Loans | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	925	774
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	925	774
Commercial Mortgage Loans | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	178	195
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	178	195
Commercial Mortgage Loans | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 0% - 50%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,219	1,153
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,219	1,153
Commercial Mortgage Loans | 0% - 50% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	823	759
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	823	759
Commercial Mortgage Loans | 0% - 50% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	21	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	21	0
Commercial Mortgage Loans | 0% - 50% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	351	320
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	351	320
Commercial Mortgage Loans | 0% - 50% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	24	74
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	24	74
Commercial Mortgage Loans | 0% - 50% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 0% - 50% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 50% - 70%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	7,334	6,409
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	7,334	6,409
Commercial Mortgage Loans | 50% - 70% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	4,739	4,088
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	4,739	4,088
Commercial Mortgage Loans | 50% - 70% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	649	682
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	649	682
Commercial Mortgage Loans | 50% - 70% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,192	1,066
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,192	1,066
Commercial Mortgage Loans | 50% - 70% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	603	428
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	603	428
Commercial Mortgage Loans | 50% - 70% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	151	145
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	151	145
Commercial Mortgage Loans | 50% - 70% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 70% - 90%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	825	797
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	825	797
Commercial Mortgage Loans | 70% - 90% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	221	169
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	221	169
Commercial Mortgage Loans | 70% - 90% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	110	110
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	110	110
Commercial Mortgage Loans | 70% - 90% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	169	196
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	169	196
Commercial Mortgage Loans | 70% - 90% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	298	272
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	298	272
Commercial Mortgage Loans | 70% - 90% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	27	50
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	27	50
Commercial Mortgage Loans | 70% - 90% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 90% plus
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	27	27
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	27	27
Commercial Mortgage Loans | 90% plus | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 90% plus | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 90% plus | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	27	27
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	27	27
Commercial Mortgage Loans | 90% plus | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 90% plus | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Commercial Mortgage Loans | 90% plus | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	2,672	2,574
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	74	74
Financing receivables, recorded investment, current	2,598	2,500
Total Financing Receivables	2,672	2,574
Recorded Investment 90 Days or More and Accruing	57	22
Agricultural Mortgage Loans | With no related allowance recorded
Impaired Mortgage Loans
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Agricultural Mortgage Loans | With related allowance recorded
Impaired Mortgage Loans
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Agricultural Mortgage Loans | Financing Receivables, 30 to 59 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	5	49
Agricultural Mortgage Loans | Financing Receivables, 60 to 89 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	12	3
Agricultural Mortgage Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	57	22
Agricultural Mortgage Loans | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	398	383
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	398	383
Agricultural Mortgage Loans | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	195	195
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	195	195
Agricultural Mortgage Loans | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	488	502
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	488	502
Agricultural Mortgage Loans | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	952	878
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	952	878
Agricultural Mortgage Loans | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	557	537
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	557	537
Agricultural Mortgage Loans | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	82	79
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	82	79
Agricultural Mortgage Loans | 0% - 50%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,580	1,557
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,580	1,557
Agricultural Mortgage Loans | 0% - 50% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	271	272
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	271	272
Agricultural Mortgage Loans | 0% - 50% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	142	149
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	142	149
Agricultural Mortgage Loans | 0% - 50% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	257	275
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	257	275
Agricultural Mortgage Loans | 0% - 50% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	555	515
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	555	515
Agricultural Mortgage Loans | 0% - 50% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	322	316
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	322	316
Agricultural Mortgage Loans | 0% - 50% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	33	30
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	33	30
Agricultural Mortgage Loans | 50% - 70%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,073	1,013
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,073	1,013
Agricultural Mortgage Loans | 50% - 70% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	127	111
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	127	111
Agricultural Mortgage Loans | 50% - 70% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	53	46
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	53	46
Agricultural Mortgage Loans | 50% - 70% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	231	227
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	231	227
Agricultural Mortgage Loans | 50% - 70% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	378	359
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	378	359
Agricultural Mortgage Loans | 50% - 70% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	235	221
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	235	221
Agricultural Mortgage Loans | 50% - 70% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	49	49
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	49	49
Agricultural Mortgage Loans | 70% - 90%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	19	4
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	19	4
Agricultural Mortgage Loans | 70% - 90% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 70% - 90% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 70% - 90% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 70% - 90% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	19	4
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	19	4
Agricultural Mortgage Loans | 70% - 90% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 70% - 90% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Agricultural Mortgage Loans | 90% plus | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Total Mortgages Loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	12,077	10,960
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	101	101
Financing receivables, recorded investment, current	11,976	10,859
Total Financing Receivables	12,077	10,960
Recorded Investment 90 Days or More and Accruing	57	22
Total Mortgages Loan | With no related allowance recorded
Impaired Mortgage Loans
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Total Mortgages Loan | With related allowance recorded
Impaired Mortgage Loans
Recorded Investment	27	27
Unpaid Principal Balance	27	27
Related Allowance	(7)	(8)
Average Recorded Investment	27	27
Interest Income Recognized	0	2
Total Mortgages Loan | Financing Receivables, 30 to 59 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	5	76
Total Mortgages Loan | Financing Receivables, 60 to 89 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	12	3
Total Mortgages Loan | Financing Receivables, Equal to Greater than 90 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due	84	22
Total Mortgages Loan | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	6,181	5,399
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	6,181	5,399
Total Mortgages Loan | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	975	987
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	975	987
Total Mortgages Loan | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	2,227	2,111
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	2,227	2,111
Total Mortgages Loan | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,877	1,652
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,877	1,652
Total Mortgages Loan | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	735	732
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	735	732
Total Mortgages Loan | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	82	79
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	82	79
Total Mortgages Loan | 0% - 50%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	2,799	2,710
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	2,799	2,710
Total Mortgages Loan | 0% - 50% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,094	1,031
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,094	1,031
Total Mortgages Loan | 0% - 50% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	163	149
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	163	149
Total Mortgages Loan | 0% - 50% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	608	595
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	608	595
Total Mortgages Loan | 0% - 50% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	579	589
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	579	589
Total Mortgages Loan | 0% - 50% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	322	316
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	322	316
Total Mortgages Loan | 0% - 50% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	33	30
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	33	30
Total Mortgages Loan | 50% - 70%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	8,407	7,422
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	8,407	7,422
Total Mortgages Loan | 50% - 70% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	4,866	4,199
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	4,866	4,199
Total Mortgages Loan | 50% - 70% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	702	728
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	702	728
Total Mortgages Loan | 50% - 70% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	1,423	1,293
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	1,423	1,293
Total Mortgages Loan | 50% - 70% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	981	787
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	981	787
Total Mortgages Loan | 50% - 70% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	386	366
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	386	366
Total Mortgages Loan | 50% - 70% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	49	49
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	49	49
Total Mortgages Loan | 70% - 90%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	844	801
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	844	801
Total Mortgages Loan | 70% - 90% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	221	169
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	221	169
Total Mortgages Loan | 70% - 90% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	110	110
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	110	110
Total Mortgages Loan | 70% - 90% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	169	196
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	169	196
Total Mortgages Loan | 70% - 90% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	317	276
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	317	276
Total Mortgages Loan | 70% - 90% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	27	50
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	27	50
Total Mortgages Loan | 70% - 90% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Total Mortgages Loan | 90% plus
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	27	27
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	27	27
Total Mortgages Loan | 90% plus | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Total Mortgages Loan | 90% plus | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Total Mortgages Loan | 90% plus | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	27	27
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	27	27
Total Mortgages Loan | 90% plus | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Total Mortgages Loan | 90% plus | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	0	0
Total Mortgages Loan | 90% plus | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans	0	0
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables	$ 0	0
Commercial Mortgage Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		8,386	$ 7,281
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		27
Financing receivables, recorded investment, current		8,359	7,281
Total Financing Receivables		8,386	7,281
Commercial Mortgage Loans | With No Related Allowance
Impaired Mortgage Loans
Recorded Investment			15
Unpaid Principal Balance			15
Average Recorded Investment			22
Commercial Mortgage Loans | With Related Allowance
Impaired Mortgage Loans
Recorded Investment		27	27
Unpaid Principal Balance		27	27
Related Allowance		(8)	(8)
Average Recorded Investment		27	48
Interest Income Recognized		2	2
Commercial Mortgage Loans | Financing Receivables, 30 to 59 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		27
Commercial Mortgage Loans | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		5,016	4,254
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		5,016	4,254
Commercial Mortgage Loans | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		792	590
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		792	590
Commercial Mortgage Loans | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,609	989
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,609	989
Commercial Mortgage Loans | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		774	1,298
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		774	1,298
Commercial Mortgage Loans | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		195	104
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		195	104
Commercial Mortgage Loans | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			46
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			46
Commercial Mortgage Loans | 0% - 50%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,153	965
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,153	965
Commercial Mortgage Loans | 0% - 50% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		759	755
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		759	755
Commercial Mortgage Loans | 0% - 50% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			95
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			95
Commercial Mortgage Loans | 0% - 50% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		320	59
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		320	59
Commercial Mortgage Loans | 0% - 50% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		74	56
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		74	56
Commercial Mortgage Loans | 50% - 70%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		6,409	5,496
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		6,409	5,496
Commercial Mortgage Loans | 50% - 70% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		4,088	3,217
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		4,088	3,217
Commercial Mortgage Loans | 50% - 70% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		682	430
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		682	430
Commercial Mortgage Loans | 50% - 70% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,066	673
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,066	673
Commercial Mortgage Loans | 50% - 70% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		428	1,100
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		428	1,100
Commercial Mortgage Loans | 50% - 70% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		145	76
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		145	76
Commercial Mortgage Loans | 70% - 90%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		797	777
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		797	777
Commercial Mortgage Loans | 70% - 90% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		169	282
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		169	282
Commercial Mortgage Loans | 70% - 90% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		110	65
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		110	65
Commercial Mortgage Loans | 70% - 90% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		196	229
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		196	229
Commercial Mortgage Loans | 70% - 90% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		272	127
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		272	127
Commercial Mortgage Loans | 70% - 90% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		50	28
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		50	28
Commercial Mortgage Loans | 70% - 90% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			46
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			46
Commercial Mortgage Loans | 90% plus
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		27	43
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		27	43
Commercial Mortgage Loans | 90% plus | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		27	28
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		27	28
Commercial Mortgage Loans | 90% plus | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			15
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			15
Agricultural Mortgage Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		2,574	2,501
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		74	17
Financing receivables, recorded investment, current		2,500	2,484
Total Financing Receivables		2,574	2,501
Recorded Investment 90 Days or More and Accruing		22	6
Agricultural Mortgage Loans | Financing Receivables, 30 to 59 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		49	9
Agricultural Mortgage Loans | Financing Receivables, 60 to 89 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		3	2
Agricultural Mortgage Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		22	6
Agricultural Mortgage Loans | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		383	395
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		383	395
Agricultural Mortgage Loans | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		195	195
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		195	195
Agricultural Mortgage Loans | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		502	507
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		502	507
Agricultural Mortgage Loans | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		878	805
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		878	805
Agricultural Mortgage Loans | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		537	505
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		537	505
Agricultural Mortgage Loans | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		79	94
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		79	94
Agricultural Mortgage Loans | 0% - 50%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,557	1,491
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,557	1,491
Agricultural Mortgage Loans | 0% - 50% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		272	254
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		272	254
Agricultural Mortgage Loans | 0% - 50% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		149	138
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		149	138
Agricultural Mortgage Loans | 0% - 50% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		275	296
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		275	296
Agricultural Mortgage Loans | 0% - 50% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		515	468
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		515	468
Agricultural Mortgage Loans | 0% - 50% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		316	286
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		316	286
Agricultural Mortgage Loans | 0% - 50% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		30	49
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		30	49
Agricultural Mortgage Loans | 50% - 70%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,013	1,004
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,013	1,004
Agricultural Mortgage Loans | 50% - 70% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		111	141
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		111	141
Agricultural Mortgage Loans | 50% - 70% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		46	57
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		46	57
Agricultural Mortgage Loans | 50% - 70% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		227	209
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		227	209
Agricultural Mortgage Loans | 50% - 70% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		359	333
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		359	333
Agricultural Mortgage Loans | 50% - 70% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		221	219
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		221	219
Agricultural Mortgage Loans | 50% - 70% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		49	45
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		49	45
Agricultural Mortgage Loans | 70% - 90%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		4	6
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		4	6
Agricultural Mortgage Loans | 70% - 90% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			2
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			2
Agricultural Mortgage Loans | 70% - 90% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		4	4
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		4	4
Total Mortgages Loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		10,960	9,782
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		101	17
Financing receivables, recorded investment, current		10,859	9,765
Total Financing Receivables		10,960	9,782
Recorded Investment 90 Days or More and Accruing		22	6
Total Mortgages Loan | With No Related Allowance
Impaired Mortgage Loans
Recorded Investment			15
Unpaid Principal Balance			15
Average Recorded Investment			22
Total Mortgages Loan | With Related Allowance
Impaired Mortgage Loans
Recorded Investment		27	27
Unpaid Principal Balance		27	27
Related Allowance		(8)	(8)
Average Recorded Investment		27	48
Interest Income Recognized		2	2
Total Mortgages Loan | Financing Receivables, 30 to 59 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		76	9
Total Mortgages Loan | Financing Receivables, 60 to 89 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		3	2
Total Mortgages Loan | Financing Receivables, Equal to Greater than 90 Days Past Due
Age Analysis of Past Due Mortgage Loan
Financing receivables, recorded investment, past due		22	6
Total Mortgages Loan | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		5,399	4,649
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		5,399	4,649
Total Mortgages Loan | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		987	785
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		987	785
Total Mortgages Loan | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		2,111	1,496
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		2,111	1,496
Total Mortgages Loan | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,652	2,103
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,652	2,103
Total Mortgages Loan | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		732	609
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		732	609
Total Mortgages Loan | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		79	140
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		79	140
Total Mortgages Loan | 0% - 50%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		2,710	2,456
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		2,710	2,456
Total Mortgages Loan | 0% - 50% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,031	1,009
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,031	1,009
Total Mortgages Loan | 0% - 50% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		149	233
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		149	233
Total Mortgages Loan | 0% - 50% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		595	355
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		595	355
Total Mortgages Loan | 0% - 50% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		589	524
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		589	524
Total Mortgages Loan | 0% - 50% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		316	286
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		316	286
Total Mortgages Loan | 0% - 50% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		30	49
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		30	49
Total Mortgages Loan | 50% - 70%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		7,422	6,500
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		7,422	6,500
Total Mortgages Loan | 50% - 70% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		4,199	3,358
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		4,199	3,358
Total Mortgages Loan | 50% - 70% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		728	487
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		728	487
Total Mortgages Loan | 50% - 70% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		1,293	882
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		1,293	882
Total Mortgages Loan | 50% - 70% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		787	1,433
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		787	1,433
Total Mortgages Loan | 50% - 70% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		366	295
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		366	295
Total Mortgages Loan | 50% - 70% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		49	45
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		49	45
Total Mortgages Loan | 70% - 90%
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		801	783
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		801	783
Total Mortgages Loan | 70% - 90% | Greater than 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		169	282
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		169	282
Total Mortgages Loan | 70% - 90% | 1.8x to 2.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		110	65
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		110	65
Total Mortgages Loan | 70% - 90% | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		196	231
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		196	231
Total Mortgages Loan | 70% - 90% | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		276	131
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		276	131
Total Mortgages Loan | 70% - 90% | 1.0x to 1.2x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		50	28
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		50	28
Total Mortgages Loan | 70% - 90% | Less than 1.0x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			46
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			46
Total Mortgages Loan | 90% plus
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		27	43
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		27	43
Total Mortgages Loan | 90% plus | 1.5x to 1.8x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans		27	28
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables		$ 27	28
Total Mortgages Loan | 90% plus | 1.2x to 1.5x
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total Mortgage Loans			15
Age Analysis of Past Due Mortgage Loan
Total Financing Receivables			$ 15

INVESTMENTS - Equity-Based and

INVESTMENTS - Equity-Based and Treasury Future Contracts (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Cash and securities collateral for derivative contract	$ 2,189	$ 2,123	$ 740
Cash and securities collateral	65	4	868
Exchange Traded Future Contract [Line Items]
Securities purchased under agreements to resell, net amount presented in the Balance Sheet,		5
Securities sold under agreements to repurchase	1,900	1,887	$ 3,593
Securities sold under agreements to repurchase
Exchange Traded Future Contract [Line Items]
Securities sold under agreements to repurchase	1,891	1,882
S&P 500, Russell 1000, NASDAQ 100 and Emerging Market Indices
Exchange Traded Future Contract [Line Items]
Exchange-traded future contract, initial margin requirement	226	208
US Treasury Notes and Euro Dollar
Exchange Traded Future Contract [Line Items]
Exchange-traded future contract, initial margin requirement	55	40
Euro Stoxx, FTSE100, EAFE And Topix Indices
Exchange Traded Future Contract [Line Items]
Exchange-traded future contract, initial margin requirement	$ 21	$ 25

INVESTMENTS - Derivatives Off_2

INVESTMENTS - Derivatives Offsetting Financial Assets (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Reverse Repurchase agreements [Abstract]
Gross Amounts Recognized		$ 5
Gross Amounts Offset in the Balance Sheets		0
Net Amounts Presented in the Balance Sheets		5
Fair Value, Assets Derivatives	$ 6,111	6,046	$ 5,601
Equity contracts
ASSETS
Gross Amounts Recognized	4,200	3,461	2,214
Gross Amounts offset in the Balance Sheets	1,821	1,660	1,292
Net Amounts Presented in the Balance Sheets	2,379	1,801	922
Interest rate contracts
ASSETS
Gross Amounts Recognized	330	604
Gross Amounts offset in the Balance Sheets	653	193
Net Amounts Presented in the Balance Sheets	(323)	411
Credit contracts
ASSETS
Gross Amounts Recognized	28	35
Gross Amounts offset in the Balance Sheets	3	3
Net Amounts Presented in the Balance Sheets	25	32
Reverse Repurchase agreements [Abstract]
Fair Value, Assets Derivatives	28	35	20
Currency
ASSETS
Gross Amounts Recognized	75	19	52
Gross Amounts offset in the Balance Sheets	9	10	6
Net Amounts Presented in the Balance Sheets	66	9	46
Reverse Repurchase agreements [Abstract]
Fair Value, Assets Derivatives	0	5
Collateral
ASSETS
Gross Amounts Recognized	38	4
Gross Amounts offset in the Balance Sheets	0	2,123
Net Amounts Presented in the Balance Sheets	38	(2,119)
Reverse Repurchase agreements [Abstract]
Fair Value, Assets Derivatives	65	4	935
Collateral
ASSETS
Gross Amounts Recognized	65	24	121
Gross Amounts offset in the Balance Sheets	2,189	4	6
Net Amounts Presented in the Balance Sheets	(2,124)	20	115
Reverse Repurchase agreements [Abstract]
Fair Value, Assets Derivatives	38	24	121
Total Derivatives, subject to an ISDA Master Agreement
ASSETS
Gross Amounts Recognized	4,736	4,147	3,863
Gross Amounts offset in the Balance Sheets	4,675	3,993	3,670
Net Amounts Presented in the Balance Sheets	61	154	193
Other financial instruments
ASSETS
Gross Amounts Recognized	2,859	3,964	3,127
Gross Amounts offset in the Balance Sheets	0	0
Net Amounts Presented in the Balance Sheets	2,859	3,964	3,127
Other invested assets
ASSETS
Gross Amounts Recognized	7,595	8,111
Gross Amounts offset in the Balance Sheets	4,675	3,993
Net Amounts Presented in the Balance Sheets	$ 2,920	4,118
Total Derivatives, not subject to an ISDA Master Agreement
Reverse Repurchase agreements [Abstract]
Gross Amounts Recognized		5
Gross Amounts Offset in the Balance Sheets		0
Net Amounts Presented in the Balance Sheets		5
Interest Rate Contracts
ASSETS
Gross Amounts Recognized		604	521
Gross Amounts offset in the Balance Sheets		193	1,443
Net Amounts Presented in the Balance Sheets		411	(922)
Credit Contracts
ASSETS
Gross Amounts Recognized		35	20
Gross Amounts offset in the Balance Sheets		3	15
Net Amounts Presented in the Balance Sheets		32	5
Cash Collateral
ASSETS
Gross Amounts Recognized		4	935
Gross Amounts offset in the Balance Sheets		2,123	908
Net Amounts Presented in the Balance Sheets		(2,119)	27
Derivatives not subject to Isda master agreements
ASSETS
Gross Amounts Recognized			4
Net Amounts Presented in the Balance Sheets			4
Other Invested Assets
ASSETS
Gross Amounts Recognized		8,111	6,994
Gross Amounts offset in the Balance Sheets		3,993	3,670
Net Amounts Presented in the Balance Sheets		$ 4,118	3,324
Total Derivative Assets
ASSETS
Gross Amounts Recognized			3,867
Gross Amounts offset in the Balance Sheets			3,670
Net Amounts Presented in the Balance Sheets			$ 197

CLOSED BLOCK - Summarized Finan

CLOSED BLOCK - Summarized Financial Information (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015
Closed Block Liabilities:
Future policy benefits, policyholders’ account balances and other	$ 6,788	$ 6,958		$ 7,179
Policyholder dividend obligation	0	19	$ 47	52	$ 81
Other liabilities	48	271		43
Total Closed Block liabilities	6,836	7,248		7,274
Assets Designated To The Closed Block:
Fixed maturities, available for sale, at fair value (amortized cost of $3,923 and $3,884)	3,669	4,070		4,025
Amortized cost of fixed maturities	3,681	3,923		3,884
Mortgage loans on real estate	1,902	1,720		1,623
Policy loans	745	781		839
Cash and other invested assets	39	351		444
Other assets	187	182		213
Total assets designated to the Closed Block	6,542	7,104		7,144
Excess of Closed Block liabilities over assets designated to the Closed Block	294	144		130
Amounts included in accumulated other comprehensive income (loss):
Net unrealized investment gains (losses), net of policyholder dividend obligation of $19 and $52	(2)	138		100
Policyholder dividend obligation	0	19	$ 47	52	$ 81
Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities	$ 292	$ 282		$ 230

CLOSED BLOCK - Reconciliation o

CLOSED BLOCK - Reconciliation of Policyholder Dividend Obligation (Details) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Movement in Closed Block Dividend Obligation [Roll Forward]
Balances, beginning of year	$ 19	$ 52	$ 52	$ 81
Unrealized investment gains (losses), net of DAC	(19)	(5)	(20)	(29)
Balances, End of Period	$ 0	$ 47	$ 19	$ 52

INSURANCE LIABILITIES - GMDB _2

INSURANCE LIABILITIES - GMDB Reinsurance Assumed (Details) - GMDB - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Guaranteed Minimum Death Benefit Reinsurance Assumed [Roll Forward]
Balance, beginning of year	$ 95	$ 121	$ 121	$ 135	$ 121
Paid guarantee benefits	(18)	(16)	(21)	(33)	(32)
Premiums	16	18
Other changes in reserve	(10)	(34)	(5)	19	46
Balance, end of Period	$ 83	$ 89	$ 95	$ 121	$ 135

INSURANCE LIABILITIES - Investm

INSURANCE LIABILITIES - Investment in Variable Insurance Trust Mutual Funds (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
GMDB
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	$ 95,299	$ 94,672	$ 86,890
GMDB | Equity
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	42,675	41,658	36,891
GMDB | Fixed income
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	5,274	5,469	5,545
GMDB | Balanced
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	46,504	46,577	43,562
GMDB | Other
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	846	968	892
GMIB
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	61,279	62,286	57,849
GMIB | Equity
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	19,512	19,928	18,262
GMIB | Fixed income
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	2,924	3,150	3,298
GMIB | Balanced
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	38,540	38,890	35,931
GMIB | Other
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Investment in Separate Account Investment Options	$ 303	$ 318	$ 358

REINSURANCE AGREEMENTS (Details

REINSURANCE AGREEMENTS (Details) $ in Millions	Feb. 01, 2018USD ($)
Reinsurance Retention Policy [Line Items]
Securities	$ 604
Cash	31
Statutory reserves	$ 635
AXA Equitable Life
Reinsurance Retention Policy [Line Items]
Percentage of single premium deferred annuities ceded	90.00%
Securities	$ 604
Cash	31
Statutory reserves	635
Deposit asset recorded in Other assets, net of the ceding commissions paid to the reinsurer	$ 635

SHORT-TERM AND LONG-TERM DEBT_2

SHORT-TERM AND LONG-TERM DEBT - Summary of Short and Long-term Debt (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Apr. 20, 2018	Dec. 31, 2016
Short-term Debt [Line Items]
Total short-term debt	$ 398	$ 1,856		$ 1,256
Debt Instrument [Line Items]
Total long-term debt	4,408	552
Total short-term and long-term debt	$ 4,806	2,408		1,605
Senior Notes | Senior Notes (5.00%, due 2048)
Debt Instrument [Line Items]
Debt instrument, stated percentage	5.00%		5.00%
Total long-term debt	$ 1,480	0
Senior Notes | Senior Notes (4.35%, due 2028)
Debt Instrument [Line Items]
Debt instrument, stated percentage	4.35%		4.35%
Total long-term debt	$ 1,486	0
Senior Notes | Senior Notes (3.90%, due 2023)
Debt Instrument [Line Items]
Debt instrument, stated percentage	3.90%		3.90%
Total long-term debt	$ 793	0
Term loan
Debt Instrument [Line Items]
Total long-term debt	$ 300	$ 0
Term loan | 3-Month LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Senior Debentures
Debt Instrument [Line Items]
Debt instrument, stated percentage	7.00%	7.00%
Total long-term debt	$ 349	$ 349		349
Mortgage | AXA Equitable non-recourse mortgage debt (with interest rates of 4.1%)
Debt Instrument [Line Items]
Debt instrument, stated percentage	4.10%	4.10%
Total long-term debt	$ 0	$ 82		0
Mortgage | AXA Equitable non-recourse mortgage debt (with interest rates of 3.9%)
Debt Instrument [Line Items]
Debt instrument, stated percentage	3.90%	3.90%
Total long-term debt	$ 0	$ 121		$ 0
Commercial paper | AB commercial paper (with interest rates of 2.0% and 1.6%)
Short-term Debt [Line Items]
Commercial paper, interest rate	2.20%	1.60%		0.90%
Total short-term debt	$ 398	$ 491		$ 513
Commercial paper | AXA Financial commercial paper (with interest rates of 0% and 1.6%)
Short-term Debt [Line Items]
Commercial paper, interest rate	0.00%	1.60%		1.50%
Total short-term debt	$ 0	$ 1,290		$ 743
Revolving credit facility
Short-term Debt [Line Items]
Interest rate	2.40%	2.40%
Total short-term debt	$ 0	$ 75		$ 0

SHORT-TERM AND LONG-TERM DEBT_3

SHORT-TERM AND LONG-TERM DEBT - Short-term Debt Narrative (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 01, 2016
Short-term Debt [Line Items]
Total short-term debt	$ 398	$ 1,856	$ 1,256
Commercial paper | AB commercial paper (with interest rates of 2.0% and 1.6%)
Short-term Debt [Line Items]
Total short-term debt	$ 398	$ 491	$ 513
Commercial paper, interest rate	2.20%	1.60%	0.90%
Average outstanding balance	$ 372	$ 482
Weighted average interest rate over period	1.90%	1.20%
Commercial paper | AXA Financial commercial paper (with interest rates of 0% and 1.6%)
Short-term Debt [Line Items]
Total short-term debt	$ 0	$ 1,290	$ 743
Commercial paper, interest rate	0.00%	1.60%	1.50%
Maximum amount of short-term unsecured debt allowed under agreement	$ 2,000	$ 2,000
Revolving credit facility
Short-term Debt [Line Items]
Total short-term debt	$ 0	$ 75	$ 0
Line of credit facility, maximum borrowing capacity				$ 200
Interest rate	2.40%	2.40%

SHORT-TERM AND LONG-TERM DEBT_4

SHORT-TERM AND LONG-TERM DEBT - Long-term Debt Narrative (Details) - USD ($)	May 04, 2018	Apr. 20, 2018	Feb. 28, 2018	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total long-term debt				$ 4,408,000,000	$ 552,000,000
Three Year Term Loan
Debt Instrument [Line Items]
Debt instrument, term			3 years
Senior Notes | Senior Notes (3.90%, due 2023)
Debt Instrument [Line Items]
Debt instrument, face amount		$ 800,000,000
Total long-term debt				$ 793,000,000	0
Debt instrument, stated percentage		3.90%		3.90%
Senior Notes | Senior Notes (4.35%, due 2028)
Debt Instrument [Line Items]
Debt instrument, face amount		$ 1,500,000,000
Total long-term debt				$ 1,486,000,000	0
Debt instrument, stated percentage		4.35%		4.35%
Senior Notes | Senior Notes (5.00%, due 2048)
Debt Instrument [Line Items]
Debt instrument, face amount		$ 1,500,000,000
Total long-term debt				$ 1,480,000,000	0
Debt instrument, stated percentage		5.00%		5.00%
Senior Debentures
Debt Instrument [Line Items]
Undrawn balance		$ 11,000,000
Total long-term debt				$ 349,000,000	$ 349,000,000	$ 349,000,000
Debt instrument, stated percentage				7.00%	7.00%
Proceeds from unsecured debt		$ 2,530,000,000
Senior Debentures | Three Year Term Loan
Debt Instrument [Line Items]
Undrawn balance	$ 200,000,000
Debt instrument, face amount			$ 500,000,000
Proceeds from unsecured debt	$ 300,000,000
Mortgage | AXA Equitable non-recourse mortgage debt (with interest rates of 3.9%)
Debt Instrument [Line Items]
Total long-term debt				$ 0	$ 121,000,000	0
Debt instrument, stated percentage				3.90%	3.90%
Long-term debt, weighted average interest rate					3.90%
Mortgage | AXA Equitable non-recourse mortgage debt (with interest rates of 4.1%)
Debt Instrument [Line Items]
Total long-term debt				$ 0	$ 82,000,000	$ 0
Debt instrument, stated percentage				4.10%	4.10%
Long-term debt, weighted average interest rate					4.10%
Term loan facility | Three Year Term Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 500,000,000
Debt instrument, term				3 years
Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 636,000,000

SHORT-TERM AND LONG-TERM DEBT_5

SHORT-TERM AND LONG-TERM DEBT - Credit Facility Narrative (Details) € in Millions, $ in Millions

1 Months Ended

9 Months Ended

12 Months Ended

May 31, 2018

Feb. 28, 2018USD ($)

Sep. 30, 2018USD ($)

Dec. 31, 2017USD ($)

Sep. 27, 2018USD ($)

May 14, 2018EUR (€)

May 14, 2018USD ($)

Apr. 30, 2018USD ($)

Apr. 25, 2018USD ($)

Jul. 31, 2017USD ($)

Nov. 30, 2016USD ($)

Jul. 31, 2016USD ($)

Dec. 31, 2015USD ($)

Jun. 30, 2015USD ($)

Dec. 31, 2014EUR (€)

May 31, 2014USD ($)

Jul. 31, 2011EUR (€)

Letter of Credit

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 636

Revolving credit facility | JP Morgan

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 250

$ 400

$ 250

Borrowing

0

Revolving credit facility | Bank of America Merrill Lynch

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

450

$ 300

Borrowing

0

Revolving credit facility | Various Lending Institutions

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity | €

€ 4,000

Revolving credit facility | Major European Lending Institutions

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

€ 1,600

$ 1,500

Revolving credit facility | Citi Bank

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 300

Borrowing

0

Credit Facility | Citi

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

300

Credit Facility | Bank of America Merrill Lynch

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

300

Credit Facility | Various Lending Institutions

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 1,300

Unsecured Revolving Credit Facility | Various Lending Institutions

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 1,295

Borrowing

0

Unsecured Revolving Credit Facility | Major European Lending Institutions

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity | €

€ 1,570

Borrowing

0

AB Revolving Credit Facility | Revolving credit facility

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 200

Borrowing

$ 0

Interest rate at period end

2.40%

Average outstanding amount

$ 17

$ 21

Interest rate

2.70%

2.00%

Increases in principal amount of line of credit, borrowing capacity

$ 250

A B Committed Unsecured Senior Revolving Credit Facility | Revolving credit facility

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 800

1,000

$ 1,000

Incremental borrowing base

$ 200

Holdings Three-Year Delayed Draw Term Loan

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 3,900

Debt instrument, term

3 years

2 years

Holdings Revolving Credit Facility | Letter of Credit

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

1,500

$ 1,900

$ 1,500

Holdings Revolving Credit Facility | Revolving credit facility

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 2,500

$ 2,500

Debt instrument, term

5 years

5 years

Bilateral Letter Of Credit Facilities | Letter of Credit

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 1,900

Bilateral Letter Of Credit Facilities | Letter of Credit | JP Morgan

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

150

Bilateral Letter Of Credit Facilities | Letter of Credit | Citi

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

175

Bilateral Letter Of Credit Facilities | Letter of Credit | Barclays

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

150

Bilateral Letter Of Credit Facilities | Letter of Credit | HSBC

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

150

Bilateral Letter Of Credit Facilities | Letter of Credit | CACIB

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

400

Bilateral Letter Of Credit Facilities | Letter of Credit | Helaba

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

300

Bilateral Letter Of Credit Facilities | Letter of Credit | Commerzbank

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

325

Bilateral Letter Of Credit Facilities | Letter of Credit | Natixis

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 250

General corporate purposes and Commercial Paper refinancing | Revolving credit facility | JP Morgan

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

250

General corporate purposes and Commercial Paper refinancing | Revolving credit facility | Bank of America Merrill Lynch

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 300

General corporate purposes and Commercial Paper refinancing | Revolving credit facility | Citi Bank

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 300

Revolving loans or swingline advances | Unsecured Revolving Credit Facility | Various Lending Institutions

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 250

SCB LLC | Uncommitted Line Of Credit [Member]

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

175

Borrowing

0

ACS Life | Holdings Revolving Credit Facility | Letter of Credit

Line of Credit Facility [Line Items]

Remaining capacity at termination

125

AXA Equitable Life | Holdings Revolving Credit Facility | Letter of Credit

Line of Credit Facility [Line Items]

Remaining capacity at termination

$ 800

Axa Arizona | Letter of Credit | Commerzbank

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 700

Axa Arizona | Letter of Credit | Citibank Europe Plc [Member]

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

2,500

Axa Arizona | Letter of Credit | JP Morgan Europe Limits [Member]

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 200

Axa Arizona | Revolving credit facility

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

0

$ 1,500

Borrowing

1,500

Axa Arizona | Unsecured Revolving Credit Facility

Line of Credit Facility [Line Items]

Line of credit facility, maximum borrowing capacity

$ 1,500

Borrowing

$ 0

FAIR VALUE DISCLOSURES - Fair_2

FAIR VALUE DISCLOSURES - Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Total gains (losses), realized and unrealized, included in:
AFS fixed maturities transferred out of Level 2			$ 66	$ 6	$ 7	$ 25
Transfers out of Level 3			(28)	(8)	(5)	(62)
Level 3 | Corporate
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	$ 1,160	$ 1,089	1,150	857	857
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	3	2	7	6
Investment gains (losses), net	(4)	0	(3)	(1)
Subtotal	(1)	2	4	5
Other comprehensive income (loss)	(1)	7	(15)	0
Purchases	37	198	237	531
Sales	(53)	(121)	(271)	(226)
Settlements	0		0
AFS fixed maturities transferred out of Level 2	0	(7)	65	6
Transfers out of Level 3	0	0	(28)	(5)
Closing Balance	1,142	1,168	1,142	1,168	1,150	857
Income (loss) as:
Other comprehensive income (loss)	(1)	7	(15)	0
Level 3 | State and Political Sub- divisions
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	38	42	40	42	42
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	0	0	0	0
Subtotal	0	0	0	0
Other comprehensive income (loss)	0	0	(1)	0
Purchases	0	0	0	0
Sales	0	0	(1)	0
Settlements	0		0
AFS fixed maturities transferred out of Level 2	1	0	1	0
Transfers out of Level 3	0	0	0	0
Closing Balance	39	42	39	42	40	42
Income (loss) as:
Other comprehensive income (loss)	0	0	(1)	0
Level 3 | Commercial Mortgage- backed
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	0	501	0	373	373
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	1
Investment gains (losses), net	0	(49)	0	(68)
Subtotal	0	(49)	0	(67)
Other comprehensive income (loss)	0	28	0	47
Purchases	0	(196)	0	0
Sales	0	(25)	0	(94)
Settlements	0		0
AFS fixed maturities transferred out of Level 2	0	0	0	0
Transfers out of Level 3	0	(2)	0	(2)
Closing Balance	0	257	0	257	0	373
Income (loss) as:
Other comprehensive income (loss)	0	28	0	47
Level 3 | Asset- backed
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	538	513	541	120	120
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	0	0	0	15
Subtotal	0	0	0	15
Other comprehensive income (loss)	(1)	(1)	(2)	(8)
Purchases	0	(1)	0	404
Sales	0	(1)	(2)	(20)
Settlements	0		0
AFS fixed maturities transferred out of Level 2	0	0	0	0
Transfers out of Level 3	0	0	0	(1)
Closing Balance	537	510	537	510	541	120
Income (loss) as:
Other comprehensive income (loss)	(1)	(1)	(2)	(8)
Level 3 | Redeemable preferred stock
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	0	1	1	1	1
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	0	0	0	0
Net derivative gains (losses), excluding non-performance risk	0	0	0	0
Non-performance risk	0	0	0	0
Subtotal	0	0	0	0
Other comprehensive income (loss)	0	0	0	0
Purchases	0	0	0	0
Sales	0	0	(1)	0
Settlements	0	0	0	0
Activity related to consolidated VIEs/VOEs	0	0	0	0
AFS fixed maturities transferred out of Level 2	0	0	0	0
Transfers out of Level 3	0	0	0	0
Closing Balance	0	1	0	1	1	1
Income (loss) as:
Other comprehensive income (loss)	0	0	0	0
Level 3 | Other equity investments
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	111	61	99	48	48
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	(8)	0	0
Investment gains (losses), net	0	0	(1)	(4)
Net derivative gains (losses), excluding non-performance risk	0	0	0	0
Non-performance risk	0	0	0	0
Subtotal	0	(8)	(1)	(4)
Other comprehensive income (loss)	(6)	2	0	4
Purchases	14	6	24	20
Sales	(1)	(3)	(3)	(3)
Settlements	0	0	0	0
Activity related to consolidated VIEs/VOEs	(1)	0	(3)	(7)
AFS fixed maturities transferred out of Level 2	0	1	6	1
Transfers out of Level 3	0	0	(5)	0
Closing Balance	117	59	117	59	99	48
Income (loss) as:
Other comprehensive income (loss)	(6)	2	0	4
Level 3 | GMIB Reinsurance Contract Asset
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	1,636	2,091	1,894	1,735	1,735
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	0	0	0	0
Net derivative gains (losses), excluding non-performance risk	(269)	(78)	(524)	287
Non-performance risk	7	(3)	2	(1)
Subtotal	(262)	(81)	(522)	286
Other comprehensive income (loss)	0	0	0	0
Purchases	12	12	34	36
Sales	(11)	(11)	(31)	(46)
Settlements	0	0	0	0
Activity related to consolidated VIEs/VOEs	0	0	0	0
AFS fixed maturities transferred out of Level 2	0	0	0	0
Transfers out of Level 3	0	0	0	0
Closing Balance	1,375	2,011	1,375	2,011	1,894	1,735
Income (loss) as:
Other comprehensive income (loss)	0	0	0	0
Level 3 | Separate Accounts' assets
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	361	334	349	313	313
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	6	4	19	22
Net derivative gains (losses), excluding non-performance risk	0	0	0	0
Non-performance risk			0	0
Subtotal	6	4	19	22
Other comprehensive income (loss)	0	0	0	0
Purchases	1	1	4	7
Sales	0	0	(1)	(1)
Settlements	(1)	(1)	(4)	(4)
Activity related to consolidated VIEs/VOEs	0	0	0	0
AFS fixed maturities transferred out of Level 2	0	1	0	1
Transfers out of Level 3	0	0	0	0
Closing Balance	367	338	367	338	349	313
Income (loss) as:
Other comprehensive income (loss)	0	0	0	0
Level 3 | GMxB Derivative Features Liability
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	(3,692)	(5,122)	(4,451)	(5,731)	(5,731)
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	0	0	0	0
Net derivative gains (losses), excluding non-performance risk	(188)	476	657	1,288
Non-performance risk	(323)	(63)	(205)	(77)
Subtotal	(511)	413	452	1,211
Other comprehensive income (loss)	0	0	0	0
Purchases	(99)	(105)	(313)	(303)
Sales	8	6	18	16
Settlements	0	0	0	0
Activity related to consolidated VIEs/VOEs	0	0	0	0
AFS fixed maturities transferred out of Level 2	0	0	0	0
Transfers out of Level 3	0	0	0	0
Closing Balance	(4,294)	(4,807)	(4,294)	(4,807)	(4,451)	(5,731)
Income (loss) as:
Other comprehensive income (loss)	0	0	0	0
Level 3 | Contingent Payment Arrangements
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance	(13)	(24)	(15)	(25)	(25)
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)	0	0	0	0
Investment gains (losses), net	0	0	0	0
Net derivative gains (losses), excluding non-performance risk	0	0	0	0
Non-performance risk	0	0	0	0
Subtotal	0	0	0	0
Other comprehensive income (loss)	0	0	0	0
Purchases	0	0	0	0
Sales	0	0	0	0
Settlements	1	5	3	6
Activity related to consolidated VIEs/VOEs	0	0	0	0
AFS fixed maturities transferred out of Level 2	0	0	0	0
Transfers out of Level 3	0	0	0	0
Closing Balance	(12)	(19)	(12)	(19)	(15)	(25)
Income (loss) as:
Other comprehensive income (loss)	$ 0	$ 0	0	0
Corporate | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance			1,150	857	857	430	$ 389
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)					4		2
Investment gains (losses), net					1	2	2
Subtotal					5	2	4
Other comprehensive income (loss)					4	8	(26)
Purchases					615	574	63
Sales					333	144	39
AFS fixed maturities transferred out of Level 2					7	25	100
Transfers out of Level 3					5	38	61
Closing Balance					1,150	857	430
Income (loss) as:
Other comprehensive income (loss)					4	8	(26)
State and Political Sub- divisions | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance			40	42	42	45	47
Total gains (losses), realized and unrealized, included in:
Other comprehensive income (loss)					(1)	(2)	(1)
Sales					1	1	1
Closing Balance					40	42	45
Income (loss) as:
Other comprehensive income (loss)					(1)	(2)	(1)
Foreign governments | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance						1
Total gains (losses), realized and unrealized, included in:
Purchases							1
Transfers out of Level 3						1
Closing Balance							1
Commercial Mortgage- backed | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				373	373	535	752
Total gains (losses), realized and unrealized, included in:
Net investment income (loss)					(2)		2
Investment gains (losses), net					(95)	(71)	(40)
Subtotal					(97)	(71)	(38)
Other comprehensive income (loss)					78	14	72
Sales					354	91	177
Transfers out of Level 3						14	74
Closing Balance						373	535
Income (loss) as:
Other comprehensive income (loss)					78	14	72
Residential mortgage-backed | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance							2
Total gains (losses), realized and unrealized, included in:
Sales							2
Asset- backed | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance			$ 541	120	120	41	54
Total gains (losses), realized and unrealized, included in:
Investment gains (losses), net					15
Subtotal					15
Other comprehensive income (loss)					(7)	1	(4)
Purchases					434	96
Sales					21	9	9
Transfers out of Level 3						9
Closing Balance					541	120	41
Income (loss) as:
Other comprehensive income (loss)					(7)	1	(4)
Redeemable preferred stock | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				1	1
Total gains (losses), realized and unrealized, included in:
Purchases						1
Closing Balance						1
Other equity investments | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				88	88	81	87
Total gains (losses), realized and unrealized, included in:
Investment gains (losses), net							5
Subtotal							5
Other comprehensive income (loss)							2
Purchases						4	7
Sales							20
Activity related to consolidated VIEs/VOEs						60
Transfers out of Level 3						56
Closing Balance						88	81
Income (loss) as:
Other comprehensive income (loss)							2
GMIB Reinsurance Contract Asset | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				1,735	1,735	1,829	2,151
Total gains (losses), realized and unrealized, included in:
Net derivative gains (losses), excluding non-performance risk							(330)
Subtotal							(330)
Purchases						48	49
Sales						65	41
Closing Balance						1,735	1,829
Separate Accounts' assets | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				313	313	313	260
Total gains (losses), realized and unrealized, included in:
Investment gains (losses), net							36
Subtotal							36
Purchases						10	26
Sales							2
Settlements							5
Activity related to consolidated VIEs/VOEs						(7)
AFS fixed maturities transferred out of Level 2						1
Transfers out of Level 3						23	2
Closing Balance						313	313
GMxB Derivative Features Liability | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				(5,731)	(5,731)	(5,534)	(4,454)
Total gains (losses), realized and unrealized, included in:
Net derivative gains (losses), excluding non-performance risk							(776)
Subtotal							(776)
Purchases						(356)	(317)
Sales						(23)	(13)
Closing Balance						(5,731)	(5,534)
Contingent Payment Arrangements | Level 3
'Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation
Opening Balance				$ (25)	$ (25)	(31)	(42)
Total gains (losses), realized and unrealized, included in:
Purchases						(18)
Sales							(11)
Activity related to consolidated VIEs/VOEs						24
Closing Balance						$ (25)	$ (31)

FAIR VALUE DISCLOSURES - Fair_3

FAIR VALUE DISCLOSURES - Fair Value Inputs Quantitative Information (Details) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2018USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Jun. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Jun. 30, 2017USD ($)
Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			$ 1,735
Asset Backed Debt
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			$ 2
Corporate | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over U.S. treasury curve			38
Corporate | Matrix pricing model
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			$ 55
Corporate | Matrix pricing model | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over industry yield curve (bps)		125	151
Corporate | Market Comparable Companies
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			$ 636
Corporate | Discounted Cash Flow | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Gross domestic product rate			283
Other equity investments | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			$ 26
Separate Accounts’ assets | Third Party Appraisal
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			295
Separate Accounts’ assets | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets			3
GMIBNLG | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities			5,309
Assumed GMIB reinsurance Contracts | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities			258
GWBL/GMWB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities			114
GIB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities			30
GMAB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities			$ 20
Level 3 | Corporate | Matrix pricing model
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 39	$ 53
Level 3 | Corporate | Matrix pricing model | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over industry yield curve (bps)	0.0050	0	0
Level 3 | Corporate | Matrix pricing model | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over industry yield curve (bps)	0.0565	565	565
Level 3 | Corporate | Matrix pricing model | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over industry yield curve (bps)	0.0194	125
Level 3 | Corporate | Market Comparable Companies
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 755	$ 789
Level 3 | Other equity investments | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 36	$ 38
Discount years	12 years	12 years	12 years
Level 3 | Separate Accounts’ assets | Third Party Appraisal
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 345	$ 326
Level 3 | Separate Accounts’ assets | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 1	$ 1
Spread over industry yield curve (bps)	0.0228	243
Level 3 | Separate Accounts’ assets | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over industry yield curve (bps)			273
Level 3 | Separate Accounts’ assets | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Spread over industry yield curve (bps)			512
Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 1,375	$ 1,894
Liabilities		1,894
Level 3 | GMIBNLG | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities	4,163	4,149
Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities	137	194
Level 3 | GWBL/GMWB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities	77	130
Level 3 | GIB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities	(84)	(27)
Level 3 | GMAB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Liabilities	1	5
Level 3 | Corporate
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	1,142	1,150	$ 857	$ 1,160	$ 1,168	$ 1,089
Level 3 | Other equity investments
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	117	99	48	111	59	61
Level 3 | Separate Accounts’ assets
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	367	349	313	361	338	334
Level 3 | GMIB reinsurance contract asset
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Assets	$ 1,375	$ 1,894	$ 1,735	$ 1,636	$ 2,011	$ 2,091
EBITDA multiple | Corporate | Market Comparable Companies | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input		12.9	11.7
EBITDA multiple | Level 3 | Corporate | Market Comparable Companies | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	4.2	5.3	4.3
EBITDA multiple | Level 3 | Corporate | Market Comparable Companies | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	37.3	27.9	25.6
EBITDA multiple | Level 3 | Corporate | Market Comparable Companies | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	13.8	12.9
Measurement Input, Discount Rate | Corporate | Market Comparable Companies | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input		11.1	0.114
Measurement Input, Discount Rate | Corporate | Discounted Cash Flow | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input			0.043
Measurement Input, Discount Rate | Level 3 | Corporate | Market Comparable Companies | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	0.072	0.072	0.070
Measurement Input, Discount Rate | Level 3 | Corporate | Market Comparable Companies | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	0.165	0.170	0.178
Measurement Input, Discount Rate | Level 3 | Corporate | Market Comparable Companies | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	0.111	0.111
Measurement Input, Discount Rate | Level 3 | Other equity investments | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	0.100	0.100	0.100
Measurement Input, Discount Rate | Level 3 | Separate Accounts’ assets | Third Party Appraisal
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.065	0.066	0.066
Measurement Input, Discount Rate | Level 3 | Separate Accounts’ assets | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.048	0.04409
Measurement Input, Discount Rate | Level 3 | Separate Accounts’ assets | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input			0.011
Measurement Input, Discount Rate | Level 3 | Separate Accounts’ assets | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input			0.070
Measurement Input Cash Flow Multiples | Corporate | Market Comparable Companies | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input		13.1	15.6
Measurement Input Cash Flow Multiples | Level 3 | Corporate | Market Comparable Companies | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	9	9	14
Measurement Input Cash Flow Multiples | Level 3 | Corporate | Market Comparable Companies | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	17.7	17.7	16.5
Measurement Input Cash Flow Multiples | Level 3 | Corporate | Market Comparable Companies | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	13.1	13.1
Measurement Input, Revenue Multiple [Member] | Level 3 | Other equity investments | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	10.8	10.8	10.8
Measurement Input, Revenue Multiple [Member] | Level 3 | Other equity investments | Discounted Cash Flow | Weighted Average
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Equity securities, measurement input	10.8
Measurement Input, Cap Rate [Member] | Level 3 | Separate Accounts’ assets | Third Party Appraisal
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.044	0.046	0.048
Measurement Input, Exit Capitalization Rate [Member] | Level 3 | Separate Accounts’ assets | Third Party Appraisal
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.056	0.056	0.057
Measurement Input, Lapse Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.010	0.010	0.015
Measurement Input, Lapse Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.063	0.063	0.057
Measurement Input, Lapse Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.008	0.008	0.012
Measurement Input, Lapse Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.262	0.262	0.262
Measurement Input, Lapse Rate [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.007	0.011	0.007
Measurement Input, Lapse Rate [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.134	0.133	0.146
Measurement Input, Lapse Rate [Member] | Level 3 | GWBL/GMWB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.005	0.009	0.010
Measurement Input, Lapse Rate [Member] | Level 3 | GWBL/GMWB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.057	0.057	0.057
Measurement Input, Lapse Rate [Member] | Level 3 | GIB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.005	0.009	0.010
Measurement Input, Lapse Rate [Member] | Level 3 | GIB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.057	0.057	0.057
Measurement Input, Lapse Rate [Member] | Level 3 | GMAB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.005	0.005	0.01
Measurement Input, Lapse Rate [Member] | Level 3 | GMAB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.110	0.110	0.11
Withdrawal rate 2 | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0	0	0
Withdrawal rate 2 | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.080	0.080	0.080
Withdrawal rate 2 | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Previously Reported [Member] | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0
Withdrawal rate 2 | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0	0	0
Withdrawal rate 2 | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.124	0.124	0.115
Withdrawal rate 2 | Level 3 | GMIBNLG | Discounted Cash Flow | Previously Reported [Member] | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0
Withdrawal rate 2 | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.001	0.007	0.007
Withdrawal rate 2 | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.227	0.222	0.227
Withdrawal rate 2 | Level 3 | GWBL/GMWB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0	0	0
Withdrawal rate 2 | Level 3 | GWBL/GMWB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.070	0.070	0.070
Withdrawal rate 2 | Level 3 | GWBL/GMWB | Discounted Cash Flow | Previously Reported [Member] | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0
Withdrawal rate 2 | Level 3 | GIB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0	0	0
Withdrawal rate 2 | Level 3 | GIB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.080	0.070	0.080
Measurement Input, Utilization Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0	0	0
Measurement Input, Utilization Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.160	0.160	0.160
Measurement Input, Utilization Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0	0	0
Measurement Input, Utilization Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	1	0.160	0.160
Measurement Input, Utilization Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Previously Reported [Member] | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0
Measurement Input, Utilization Rate [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0	0	0
Measurement Input, Utilization Rate [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.273	0.30	0.273
Measurement Input, Utilization Rate [Member] | Level 3 | GWBL/GMWB | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	1	1	1
Measurement Input, Utilization Rate [Member] | Level 3 | GIB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0	0	0
Measurement Input, Utilization Rate [Member] | Level 3 | GIB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.380	0.160	0.160
Measurement Input, Non Performance [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.005	0.0005	0.0005
Measurement Input, Non Performance [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.013	0.0010	0.0017
Measurement Input, Non Performance [Member] | Level 3 | GMIBNLG | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.010	0.011
Measurement Input, Non Performance [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0
Measurement Input, Non Performance [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.014
Measurement Input, Non Performance [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.013	0.018
Measurement Input, Non Performance [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.007
Measurement Input, Non Performance [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.017
Measurement Input, Equity Volatility [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.060	0.099	0.11
Measurement Input, Equity Volatility [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.310	0.309	0.38
Measurement Input, Equity Volatility [Member] | Level 3 | GMIBNLG | Discounted Cash Flow
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.200	0.200	0.200
Measurement Input, Equity Volatility [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.100	0.099	0.09
Measurement Input, Equity Volatility [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.300	0.309	0.35
Measurement Input, Equity Volatility [Member] | Level 3 | GWBL/GMWB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.060	0.099	0.09
Measurement Input, Equity Volatility [Member] | Level 3 | GWBL/GMWB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.310	0.309	0.35
Measurement Input, Equity Volatility [Member] | Level 3 | GIB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.060	0.099	0.09
Measurement Input, Equity Volatility [Member] | Level 3 | GIB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.310	0.309	0.35
Measurement Input, Equity Volatility [Member] | Level 3 | GMAB | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.060	0.099	0.09
Measurement Input, Equity Volatility [Member] | Level 3 | GMAB | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.310	0.309	0.35
Measurement Input, Forfeiture Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.008	0.0055	0.0055
Measurement Input, Forfeiture Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.012	0.0210	0.0210
Measurement Input, Withdrawal Rate Two [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.013	0.013	0.013
Measurement Input, Withdrawal Rate Two [Member] | Level 3 | Assumed GMIB reinsurance Contracts | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	1	1	1
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.0001	0.0001
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.0018	0.0019
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.0001	0.0001
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.0019	0.0019
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.0007	0.0006
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.0054	0.0053
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.0006	0.0006
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.0053	0.0053
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.0042	0.0041
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input	0.4200	0.4120
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.0041	0.0041
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input	0.412	0.412
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0.0001
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0.0018
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.0001
Ages 0-40 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.0019
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0.0007
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0.0054
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.0006
Ages 41-60 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.0053
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0.0042
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIB reinsurance contract asset | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing asset, measurement input		0.4200
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Minimum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.0041
Ages 60-115 | Measurement Input, Mortality Rate [Member] | Level 3 | GMIBNLG | Discounted Cash Flow | Maximum
Fair Value Inputs Assets Quantitative Information 1 [Line Items]
Servicing liability, measurement input		0.4120

FAIR VALUE DISCLOSURES - Fair_4

FAIR VALUE DISCLOSURES - Fair Value Disclosure Financial Instruments Not Carried At Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans on real estate (net of valuation allowance of $8 and $8)	$ 12,070	$ 10,952			$ 9,774
Loans to affiliates	0	1,230	$ 1,234	$ 1,235	1,246
Policyholders’ liabilities: Investment contracts	50,066	47,171			41,956
Total Loans From Affiliates	0	3,622			2,904
Policy loans	3,739	3,819			3,855
Separate Accounts liabilities	125,989	124,552			113,150
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans on real estate (net of valuation allowance of $8 and $8)	12,070	10,952			9,774
Loans to affiliates		1,230			1,246
Policyholders’ liabilities: Investment contracts	2,180	2,224			2,398
FHLBNY Funding Agreements	3,012	3,014			2,255
Short term and long-term debt	4,806	2,408			1,605
Total Loans From Affiliates		3,622			2,904
Policy loans	3,739	3,819			3,855
Separate Accounts liabilities	8,231	7,537			6,194
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans on real estate (net of valuation allowance of $8 and $8)	11,675	10,912			9,624
Loans to affiliates		1,230			1,361
Policyholders’ liabilities: Investment contracts	2,212	2,329			2,510
FHLBNY Funding Agreements	2,926	3,020			2,202
Short term and long-term debt	4,701	2,500			1,716
Total Loans From Affiliates		3,622			3,031
Policy loans	4,192	4,754			4,742
Separate Accounts liabilities	8,231	7,537			6,194
Fair Value | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans on real estate (net of valuation allowance of $8 and $8)	0	0
Loans to affiliates		0
Policyholders’ liabilities: Investment contracts	0	0
FHLBNY Funding Agreements	0	0
Short term and long-term debt	0	0
Total Loans From Affiliates		0
Policy loans	0	0
Separate Accounts liabilities	0	0
Fair Value | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans on real estate (net of valuation allowance of $8 and $8)	0	0
Loans to affiliates		1,230			1,361
Policyholders’ liabilities: Investment contracts	0	0
FHLBNY Funding Agreements	2,926	3,020			2,202
Short term and long-term debt	4,701	2,500			1,716
Total Loans From Affiliates		3,622			3,031
Policy loans	0	0
Separate Accounts liabilities	0	0
Fair Value | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans on real estate (net of valuation allowance of $8 and $8)	11,675	10,912			9,624
Loans to affiliates		0
Policyholders’ liabilities: Investment contracts	2,212	2,329			2,510
FHLBNY Funding Agreements	0	0
Short term and long-term debt	0	0
Total Loans From Affiliates		0
Policy loans	4,192	4,754			4,742
Separate Accounts liabilities	$ 8,231	$ 7,537			$ 6,194

REVENUE RECOGNITION - Narrative

REVENUE RECOGNITION - Narrative (Details) - Investment management, advisory and service fees: Performance-based fees - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 42	$ 4	$ 83	$ 25
Hedge Funds In Liquidation
Disaggregation of Revenue [Line Items]
Revenues			$ 49

REVENUE RECOGNITION - Disaggreg

REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Total investment management and service fees
Disaggregation of Revenue [Line Items]
Revenues	$ 1,088	$ 1,012	$ 3,206	$ 2,950
Investment management, advisory and service fees: Base fees
Disaggregation of Revenue [Line Items]
Revenues	734	697	2,178	2,010
Investment management, advisory and service fees: Performance-based fees
Disaggregation of Revenue [Line Items]
Revenues	42	4	83	25
Investment management and other fees
Disaggregation of Revenue [Line Items]
Revenues	103	109	324	331
Distribution services
Disaggregation of Revenue [Line Items]
Revenues	184	178	547	515
Other revenues: Shareholder services
Disaggregation of Revenue [Line Items]
Revenues	20	19	58	56
Other revenues: Other
Disaggregation of Revenue [Line Items]
Revenues	5	5	16	13
Other income
Disaggregation of Revenue [Line Items]
Revenues	$ 120	$ 105	$ 354	$ 309

SHARE-BASED COMPENSATION PROG_4

SHARE-BASED COMPENSATION PROGRAMS - Schedule of Compensation Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	$ 31	$ 16.9	$ 47.5	$ 73.4	$ 247	$ 213	$ 243
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	9.7	8.9	14.1	42.9	45	37	44
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	0.9	0.4	1.4	1.2	1	1	1
Restricted Stock Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs					185	154	174
Reduction in expense			10.9
Restricted Stock Unit Awards | AB
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	19.5	5.6	29.6	26.9
Other compensation plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs					3	2	4
Other compensation plans | Parent Company
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	$ 0.9	$ 2	$ 2.4	$ 2.4
AXA Shareplan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs					$ 13	$ 19	$ 20

INCOME TAXES (Details)

INCOME TAXES (Details) $ in Millions	9 Months Ended
	Sep. 30, 2017USD ($)
Income Tax Disclosure [Abstract]
Impairment of non-deductible goodwill	$ 129
Tax benefit from IRS audit	$ 228

ACCUMULATED OTHER COMPREHENSI_5

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Components of OCI, Net of Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net unrealized gains (losses) arising during the period
Change in unrealized gains (losses), net of reclassification adjustment	$ (362)	$ (33)	$ 535	$ (1,670)	$ 502	$ 690	$ (274)	$ (939)
Total other comprehensive income (loss), net of income taxes	(284)	(9)	603	(1,472)	594	832	(258)	(929)
Foreign currency translation adjustment	10	7		(4)	32	42	(18)	(25)
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income (loss), before reclassifications, net of tax	10	7		(4)	32	42	(18)	(25)
Reclassification from accumulated other comprehensive income, current period, net of tax	0	0		0	0
Net unrealized gains (losses) arising during the period
Foreign currency translation adjustment	10	7				42	(18)	(25)
Unrealized gains (losses) on investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income (loss), before reclassifications, net of tax	(445)	(1)		(2,064)	549	910	(227)	(1,202)
Reclassification from accumulated other comprehensive income, current period, net of tax	27	17		(43)	29	10	(55)	13
Net unrealized gains (losses) arising during the period
Adjustments for policyholders’ liabilities, DAC, insurance liability loss recognition and other	56	(49)		437	(76)	230	(8)	(250)
Change in unrealized gains (losses), net of reclassification adjustment	(362)	(33)		(1,670)	502	690	(274)	(939)
Total other comprehensive income (loss), net of income taxes	(418)	16		(2,107)	578	920	(282)	(1,189)
Reclassification from AOCI, current period, tax	7	9		(11)	16	5	29	(7)
Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]
Other comprehensive income (loss), tax	(96)	(18)		(444)	270	(262)	(164)	(505)
Amortization of net prior service cost included in net periodic cost
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification from accumulated other comprehensive income, current period, net of tax	68	17		202	60	(100)	(34)	(35)
Defined benefit pension plans
Net unrealized gains (losses) arising during the period
Total other comprehensive income (loss), net of income taxes	68	17		202	60	100	34	35
Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract]
Other comprehensive income (loss), tax	18	9		54	32	(51)	(19)	(19)
Less: Accumulated other comprehensive (income) loss attributable to noncontrolling interest
Net unrealized gains (losses) arising during the period
Total other comprehensive income (loss), net of income taxes	0	(3)		(15)	(18)	(19)	14	14
Other comprehensive income (loss) attributable to Holdings
Net unrealized gains (losses) arising during the period
Total other comprehensive income (loss), net of income taxes	$ (284)	$ (12)	$ 588	$ (1,487)	$ 576	$ 813	$ (244)	$ (915)

BUSINESS SEGMENT INFORMATION _3

BUSINESS SEGMENT INFORMATION - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) $ in Millions	1 Months Ended	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016USD ($)	Sep. 30, 2018USD ($)	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)	Sep. 30, 2018USD ($)Segmentclient_channel	Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)ClientSegment	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment										4		4
Number of main client channels										3		3
Segment Reporting Information [Line Items]
Net income (loss) attributable to Holdings	$ 1,254	$ (496)	$ 164	$ 214		$ 10	$ (277)	$ 378	$ 341	$ (118)	$ 351	$ 834	$ 1,254	$ 325
Adjustments related to:
Goodwill impairment					$ 369					0	370	369
Non-GAAP Operating Earnings	1,391	693				400				1,662	1,114	2,035		1,407
Interest cost related to these loans		65				42				171	115	160	174	136
Adjustments
Adjustments related to:
Variable annuity product features	(2,143)	1,403				507				1,829	738	(1,107)		(1,778)
Investment (gains) losses	1,983	36				11				(44)	32	(191)		15
Goodwill impairment		0				0				0	369	369
Net actuarial (gains) losses related to pension and other postretirement benefit obligations	(140)	24				34				182	101	(135)		(137)
Other adjustments	7	51				56				229	61	(119)		130
Income tax expense (benefit) related to above adjustments	(93)	(409)				(35)				(461)	(446)	(644)		(615)
Non-recurring tax items	(63)	84				(183)				45	(92)	(76)		(103)
Operating Segments | Individual Retirement
Adjustments related to:
Non-GAAP Operating Earnings	1,167	434				326				1,207	844	1,252		1,091
Operating Segments | Group Retirement
Adjustments related to:
Non-GAAP Operating Earnings	167	134				85				287	193	283		169
Operating Segments | Investment Management and Research
Adjustments related to:
Non-GAAP Operating Earnings	161	96				45				274	138	211		173
Operating Segments | Protection Solutions
Adjustments related to:
Non-GAAP Operating Earnings	77	137				(3)				160	54	502		114
Corporate and Other
Adjustments related to:
Non-GAAP Operating Earnings	$ (181)	(108)				(53)				(266)	(115)	(213)		(140)
Interest cost related to these loans		$ 65				$ 31				$ 171	$ 104	$ 138	$ 161	$ 131

BUSINESS SEGMENT INFORMATION _4

BUSINESS SEGMENT INFORMATION - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended					6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Interest cost related to these loans		$ 65			$ 42				$ 171	$ 115	$ 160	$ 174	$ 136
Total revenues		1,083	$ 2,966	$ 2,874	2,806	$ 2,844	$ 5,840	$ 6,732	6,923	9,538	12,460	11,763	10,043
Adjustments related to:
Investment gains (losses)		(2,006)	$ (46)	$ (236)	(316)	$ (204)	$ (282)	$ 548	(2,288)	232	214	(1,848)	(1,404)
Investment expenses		13			12				51	41	72	79	139
Operating Segments | Individual Retirement
Segment Reporting Information [Line Items]
Total revenues		1,070			998				2,873	3,058	4,374	3,703	3,202
Operating Segments | Group Retirement
Segment Reporting Information [Line Items]
Total revenues		262			248				745	685	942	801	795
Operating Segments | Investment Management and Research
Segment Reporting Information [Line Items]
Total revenues		851			792				2,602	2,307	3,216	2,933	3,024
Operating Segments | Protection Solutions
Segment Reporting Information [Line Items]
Total revenues		774			798				2,378	2,330	3,057	3,129	2,977
Corporate and Other
Segment Reporting Information [Line Items]
Interest cost related to these loans		65			31				171	104	138	161	131
Total revenues		280			288				861	965	1,212	1,256	1,405
Adjustments related to:
Investment expenses											68	60	57
Adjustments
Adjustments related to:
Variable annuity product features		(2,125)			(326)				(2,539)	162	(214)	(2,132)	(1,455)
Gain (Loss) On Investments, Adjustments	$ (1,983)	(36)			(11)				44	(32)	191		(15)
Other adjustments to segment revenues		7			19				(41)	63	64	90	110
Investment gains (losses)											(191)	1,983	(15)
Intersegment Eliminations
Adjustments related to:
Investment expenses		13			49				15	46
Investment management and other fees
Adjustments related to:
Revenues		103			109				324	331
Investment management and other fees | Intersegment Eliminations
Adjustments related to:
Revenues		$ 25			$ 75				$ 22	$ 67	$ 96	$ 86	$ 84

BUSINESS SEGMENT INFORMATION _5

BUSINESS SEGMENT INFORMATION - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total assets	$ 234,451	$ 235,615	$ 216,645
Operating Segments | Individual Retirement
Segment Reporting Information [Line Items]
Total assets	111,890	121,713	104,857
Operating Segments | Group Retirement
Segment Reporting Information [Line Items]
Total assets	43,398	38,578	32,805
Operating Segments | Investment Management and Research
Segment Reporting Information [Line Items]
Total assets	10,038	10,057	10,065
Operating Segments | Protection Solutions
Segment Reporting Information [Line Items]
Total assets	48,124	43,157	44,457
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	$ 21,001	22,110	$ 24,461
As Previously Reported | Operating Segments | Investment Management and Research
Segment Reporting Information [Line Items]
Total assets		8,297
As Previously Reported | Operating Segments | Protection Solutions
Segment Reporting Information [Line Items]
Total assets		43,116
As Previously Reported | Corporate and Other
Segment Reporting Information [Line Items]
Total assets		$ 23,934

EQUITY - Narrative (Details)

EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	Aug. 10, 2018	Sep. 30, 2018	Sep. 30, 2017
Equity [Abstract]
Dividends declared (in usd per share)	$ 0.13
Purchased AB Holding Units to help fund anticipated obligations under its incentive compensation award program shares (in shares)	2,502,194	2,500,000
Share repurchase plan, authorized amount	$ 500
Purchase of treasury shares		$ 57	$ 0

EARNINGS PER SHARE - Weighted A

EARNINGS PER SHARE - Weighted Average Shares (Details) - shares shares in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Weighted Average Shares:
Weighted average common stock outstanding for basic earnings per common share	560.3	561	560.8	561	561	561	561
Effect of dilutive securities, employee stock awards (in shares)	0	0	0	0
Weighted average common shares outstanding - diluted (in shares)	560.3	561	560.8	561
Weighted average common stock outstanding for basic and diluted earnings per common share					561	561	561

RESTATEMENT AND REVISION OF P_2

RESTATEMENT AND REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS - Narrative (Details)	Apr. 24, 2018
Accounting Changes and Error Corrections [Abstract]
Stock split ratio	459.4752645

RESTATEMENT AND REVISION OF P_3

RESTATEMENT AND REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS - Statements of Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)	$ (443)	$ 261	$ 337	$ 106	$ (184)	$ 598	$ 524	$ 155	$ 630	$ 1,257	$ 1,649		$ 650
Change in unrealized gains (losses), net of reclassification adjustment	(362)			(33)			535	(1,670)	502	690	(274)		(939)
Other comprehensive income (loss)	(284)			(9)			603	(1,472)	594	832	(258)		(929)
Comprehensive income (loss)	(727)	(95)	(495)	97	(47)	(590)	1,127	(1,317)	1,224	2,089	1,391		(279)
Less: Comprehensive (income) loss attributable to noncontrolling interest	(54)			(99)				(288)	(297)	(442)	(381)		(311)
Comprehensive income (loss) attributable to Holdings	(781)	(200)	(624)	$ (2)	(147)	(824)	929	$ (1,605)	927	1,647	1,010		(590)
Income (loss) from continuing operations, before tax
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Misclassification errors	71
Net income (loss)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Misclassification errors	39
Comprehensive income (loss)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Misclassification errors	$ 2
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		255	291		(197)	546	501		471	1,273	1,570		659
Change in unrealized gains (losses), net of reclassification adjustment							535		519		(297)		(939)
Other comprehensive income (loss)							603		611		(281)		(929)
Comprehensive income (loss)		(101)	(541)		(60)	(642)	1,104		1,082	2,105	1,289		(270)
Less: Comprehensive (income) loss attributable to noncontrolling interest											(359)		(315)
Comprehensive income (loss) attributable to Holdings		(206)	(670)		(160)	(876)	906		785	1,663	930		(585)
Impact of Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)		6	46		13	52	23		159	(16)	79	[1],[2],[3]	(9)
Change in unrealized gains (losses), net of reclassification adjustment							0		(17)		23	[1],[3]
Other comprehensive income (loss)							0		(17)		23	[1],[3]
Comprehensive income (loss)		6	46		13	52	23		142	(16)	102	[1],[3]	(9)
Less: Comprehensive (income) loss attributable to noncontrolling interest											(22)	[1],[3]	4
Comprehensive income (loss) attributable to Holdings		$ 6	$ 46		$ 13	$ 52	$ 23		$ 142	$ (16)	$ 80	[1],[3]	$ (5)
[1]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[2]	Excludes expense of $7 million in securities sold under agreement to repurchase.
[3]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.

RESTATEMENT AND REVISION OF P_4

RESTATEMENT AND REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS - Statements of Equity (Details) $ in Millions	Apr. 24, 2018	Dec. 31, 2016USD ($)		Sep. 30, 2018USD ($)	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Sep. 30, 2017USD ($)	Mar. 31, 2017USD ($)		Jun. 30, 2018USD ($)	Jun. 30, 2017USD ($)		Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)		Dec. 31, 2017USD ($)		Dec. 31, 2016USD ($)		Dec. 31, 2015USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stock split ratio	459.4752645
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				$ 14,851	$ 16,582	$ 16,518	$ 15,413	$ 14,549		$ 16,518	$ 14,549		$ 16,518	$ 14,549		$ 14,549		$ 13,515
Net income (loss) attributable to Holdings		$ 1,254		(496)	164	214	10	(277)		378	341		(118)	351		834		1,254		$ 325
Other comprehensive income (loss)				(284)			(9)				603		(1,472)	594		832		(258)		(929)
End of year		14,549		13,871	14,851	16,582	15,411	14,376		14,851	15,413		13,871	15,411		16,518		14,549		13,515
End of year							15,411							15,411
Impact of Adjustments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				(12)	(18)	(64)	(25)	47		(64)	47		(64)	47		47		(54)
Net income (loss) attributable to Holdings					6	46		13		52	23			159		(16)		57	[1],[2]	(5)
Other comprehensive income (loss)											0			(17)				23	[1],[3]
End of year		47			(12)	(18)	190	(35)		(12)	(25)			190		(64)		47		(54)
End of year							190							190
As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				14,863	16,600	16,582	15,438	14,502		16,582	14,502		16,582	14,502		14,502		13,569
Net income (loss) attributable to Holdings					158	168		(290)		326	318			192		850		1,197		330
Other comprehensive income (loss)											603			611				(281)		(929)
End of year		14,502			14,863	16,600	15,221	14,411		14,863	15,438			15,221		16,582		14,502		13,569
End of year							15,221							15,221
Parent
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				13,364	13,547	13,421	12,360	11,407		13,421	11,407		13,421	11,407		11,407		10,407
End of year		11,407		12,411	13,364	13,547	12,401	11,271		13,364	12,360		12,411	12,401		13,421		11,407		10,407
End of year							12,401							12,401
Parent | Impact of Adjustments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				(12)	(18)	(64)	(25)	46		(64)	46		(64)	46		46		(33)
Net income (loss) attributable to Holdings																1,647		1,010		(590)
End of year		46			(12)	(18)		(35)		(12)	(25)					(64)		46		(33)
End of year							190							190
Parent | As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				13,376	13,565	13,485	12,385	11,361		13,485	11,361		13,485	11,361		11,361		10,440
End of year		11,361			13,376	13,565		11,306		13,376	12,385					13,485		11,361		10,440
End of year							12,211							12,211
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year						1,298	955	931	[4]	1,298	931	[4]	1,298	931	[4]	931	[4]	941	[4]	862	[4]
Beginning of year								931			931			931		931
Changes in capital in excess of par value											24		15	67		367		(10)		79
End of year		931	[4]	2,025			998				955		2,025	998		1,298		931	[4]	941	[4]
End of year		931					998							998				931
Additional Paid-in Capital | Impact of Adjustments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year							0	(11)	[4]		(11)	[4]		(11)	[4]	(11)	[4]	(11)	[4]	(11)	[4]
Beginning of year								(11)			(11)			(11)		(11)
Changes in capital in excess of par value											0			2
End of year		(11)	[4]								0							(11)	[4]	(11)	[4]
End of year		(11)					(9)							(9)				(11)
Additional Paid-in Capital | As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year							955	942	[4]		942	[4]		942	[4]	942	[4]	952	[4]	873	[4]
Beginning of year								942			942			942		942
Changes in capital in excess of par value											24			65
End of year		942	[4]								955							942	[4]	952	[4]
End of year		942					1,007							1,007				942
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				12,601	12,437	12,225	11,732	11,391		12,225	11,391		12,225	11,391		11,391		10,137		9,812
Beginning of year								11,391			11,391			11,391		11,391
Net income (loss) attributable to Holdings						214		(277)		378	341		(118)	351		834		1,254		325
End of year		11,391		12,031	12,601	12,437	11,742	11,114		12,601	11,732		12,031	11,742		12,225		11,391		10,137
End of year		11,391					11,742							11,742				11,391
Retained Earnings | Impact of Adjustments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				(12)	(18)	(64)	(25)	(48)		(64)	(48)		(64)	(48)		(48)		(22)		(17)
Beginning of year								35			35			35		35
Net income (loss) attributable to Holdings						46		13		52	23			159		(16)		57		(5)
End of year		(48)			(12)	(18)		(35)		(12)	(25)					(64)		(48)		(22)
End of year		35					194							194				35
Retained Earnings | As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year				12,613	12,455	12,289	11,757	11,439		12,289	11,439		12,289	11,439		11,439		10,159		9,829
Beginning of year								11,356			11,356			11,356		11,356
Net income (loss) attributable to Holdings						168		(290)		326	318			192		850		1,197		330
End of year		11,439			$ 12,613	12,455		11,149		12,613	11,757					12,289		11,439		10,159
End of year		11,356					11,548							11,548				11,356
Accumulated other comprehensive income (loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year						$ (108)	(333)	(921)		$ (108)	(921)		(108)	(921)		(921)		(677)		238
Beginning of year								(921)			(921)			(921)		(921)
Other comprehensive income (loss)				(284)			(12)				588		(1,487)	576		813		(244)		(915)
End of year		(921)		$ (1,595)			(345)				(333)		$ (1,595)	(345)		(108)		(921)		(677)
End of year		(921)					(345)							(345)				(921)
Accumulated other comprehensive income (loss) | Impact of Adjustments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year							0	22			22			22		22
Beginning of year								22			22			22		22
Other comprehensive income (loss)											0			(17)				22
End of year		22									0							22
End of year		22					5							5				22
Accumulated other comprehensive income (loss) | As Previously Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning of year							(333)	(943)			(943)			(943)		(943)		(677)
Beginning of year								$ (943)			(943)			(943)		$ (943)
Other comprehensive income (loss)											588			593				(266)		(915)
End of year		(943)									$ (333)							(943)		$ (677)
End of year		$ (943)					$ (350)							$ (350)				$ (943)
[1]	As discussed above, the restated financial statements correct for the additional errors identified during the third quarter of 2018. The additional errors included in this column had the following impact in millions: (a) Income (loss) from continuing operations, before income taxes $(27); (b) Net income (loss) $(18); (c) Comprehensive income (loss) $(18)
[2]	Excludes expense of $7 million in securities sold under agreement to repurchase.
[3]	Represents circumstances where the Company determined in the current period that it intends to sell the security or it is more likely than not that it will be required to sell the security before recovery of the security's amortized cost.
[4]	Previously reported amounts have been adjusted to give retrospective effect to the 459.4752645-for-1 stock split effected on April 24, 2018.

SUBSEQUENT EVENTS (Details)

SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Nov. 09, 2018	Aug. 10, 2018	Oct. 01, 2018
Subsequent Event [Line Items]
Dividends declared (in usd per share)		$ 0.13
Share repurchase plan, authorized amount		$ 500
Subsequent Event
Subsequent Event [Line Items]
Dividends declared (in usd per share)	$ 0.13
Share repurchase plan, authorized amount	$ 800
Incremental increase in authorized amount	$ 300
Accumulated repurchases (in shares)	2.5
Accumulated repurchases	$ 57
Commercial paper | Subsequent Event
Subsequent Event [Line Items]
Face amount			$ 2,000