Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 49,110	$ 46,306	$ 51,301	$ 43,454
Change in unrealized appreciation (depreciation) of investments*	(1,055)	(2,279)	(2,257)	2,726
Change in other	(9)	(159)	(4)	(53)
Change in fair value of market risk benefits, net	159	(241)	130	(146)
Change in discount rates	262	531	959	4
Change in future policy benefits	67	137	(59)	37
Change in foreign currency translation adjustments	85	(25)	(254)	(44)
Change in net actuarial loss	10	78	17	105
Change in prior service cost	1	2	3	2
Change in deferred tax asset (liability)	(40)	218	(112)	(456)
Corebridge deconsolidation, net of tax	7,214	0	7,214	0
Other comprehensive income (loss)	6,694	(1,738)	5,637	2,175
Corebridge noncontrolling interests	610	1,827	537	1,827
Balance, end of period	44,475	46,491	44,475	46,491
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(14,869)	(19,329)	(14,037)	(22,616)
Other comprehensive income (loss)	6,694	(1,480)	5,935	1,807
Balance, end of period	(7,565)	(18,982)	(7,565)	(18,982)
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Was Taken
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(66)	(134)	(106)	(136)
Balance, end of period	(38)	(60)	(38)	(60)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(11,702)	(17,129)	(10,888)	(20,675)
Balance, end of period	(3,422)	(16,655)	(3,422)	(16,655)
Change in Fair Value of Market Risk Benefits Attributable to Changes in Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(493)	(226)	(476)	(284)
Other comprehensive income (loss)	455	(190)	432	(115)
Balance, end of period	0	(315)	0	(315)
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	1,535	2,150	1,233	2,459
Other comprehensive income (loss)	(1,393)	373	(848)	(47)
Balance, end of period	22	2,067	22	2,067
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(3,329)	(3,094)	(2,979)	(3,056)
Balance, end of period	(3,322)	(3,174)	(3,322)	(3,174)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(814)	(896)	(821)	(924)
Balance, end of period	(805)	(845)	(805)	(845)
Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		(258)	(298)	368
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Was Taken
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		14	17	18
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		(347)	(559)	359
Change in Fair Value of Market Risk Benefits Attributable to Changes in Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		(47)	(11)	(30)
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		111	258	0
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		11	(3)	21
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests		0	0	0
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Was Taken
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in unrealized appreciation (depreciation) of investments*	(19)	104	53	113
Change in deferred tax asset (liability)	3	(20)	(12)	(23)
Corebridge deconsolidation, net of tax	42		42
Other comprehensive income (loss)	26	84	83	90
Corebridge noncontrolling interests	2	4	2	4
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in unrealized appreciation (depreciation) of investments*	(1,036)	(2,383)	(2,310)	2,613
Change in other	(9)	(159)	(4)	(53)
Change in future policy benefits	67	137	(59)	37
Change in deferred tax asset (liability)	52	407	157	(343)
Corebridge deconsolidation, net of tax	8,513		8,513
Other comprehensive income (loss)	7,587	(1,998)	6,297	2,254
Corebridge noncontrolling interests	693	2,125	610	2,125
Change in Fair Value of Market Risk Benefits Attributable to Changes in Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in fair value of market risk benefits, net	159	(241)	130	(146)
Change in deferred tax asset (liability)	(34)	51	(28)	31
Corebridge deconsolidation, net of tax	330		330
Other comprehensive income (loss)	455	(190)	432	(115)
Corebridge noncontrolling interests	38	54	33	54
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in discount rates	262	531	959	4
Change in deferred tax asset (liability)	(72)	(158)	(224)	(51)
Corebridge deconsolidation, net of tax	(1,583)		(1,583)
Other comprehensive income (loss)	(1,393)	373	(848)	(47)
Corebridge noncontrolling interests	(120)	(345)	(105)	(345)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in foreign currency translation adjustments	85	(25)	(254)	(44)
Change in deferred tax asset (liability)	13	(34)	(1)	(43)
Corebridge deconsolidation, net of tax	(88)		(88)
Other comprehensive income (loss)	10	(59)	(343)	(87)
Corebridge noncontrolling interests	(3)	(10)	(3)	(10)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in net actuarial loss	10	78	17	105
Change in prior service cost	1	2	3	2
Change in deferred tax asset (liability)	(2)	(28)	(4)	(27)
Other comprehensive income (loss)	9	52	16	80
Corebridge noncontrolling interests	$ 0	$ (1)	$ 0	$ (1)