Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 51,301	$ 43,454	$ 69,034
Change in unrealized appreciation (depreciation) of investments	(1,456)	8,440	(47,766)
Change in other	18	42	(12)
Change in fair value of market risk benefits, net	130	(695)	1,635
Change in discount rates	946	(1,045)	6,993
Change in future policy benefits	(59)	(254)	1,805
Change in foreign currency translation adjustments	(407)	137	(593)
Change in net actuarial loss	63	143	(31)
Change in prior service cost	2	4	8
Change in deferred tax asset (liability)	(346)	(832)	5,664
Change in fair value of liabilities under fair value option attributable to changes in our own credit risk			(6)
Corebridge deconsolidation, net of tax	7,214	0	0
Other comprehensive income (loss)	6,105	5,940	(32,303)
Add: Corebridge noncontrolling interests	537	3,938	2,116
Balance, end of period	42,550	51,301	43,454
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(14,037)	(22,616)	5,071
Other comprehensive income (loss)	6,401	4,641	(29,803)
Balance, end of period	(7,099)	(14,037)	(22,616)
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	(106)	(136)	(48)
Balance, end of period	(4)	(106)	(136)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(10,888)	(20,675)	12,125
Balance, end of period	(2,868)	(10,888)	(20,675)
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	(476)	(284)	(1,496)
Other comprehensive income (loss)	432	(544)	1,294
Balance, end of period	0	(476)	(284)
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	1,233	2,459	(2,167)
Other comprehensive income (loss)	(802)	(871)	5,544
Balance, end of period	68	1,233	2,459
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(2,979)	(3,056)	(2,446)
Balance, end of period	(3,521)	(2,979)	(3,056)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(821)	(924)	(903)
Balance, end of period	(774)	(821)	(924)
Less: Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	(296)	1,299	(2,500)
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]
Less: Noncontrolling interests	17	(3)	(6)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	(559)	1,871	(3,123)
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]
Less: Noncontrolling interests	(11)	(199)	93
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]
Less: Noncontrolling interests	258	(377)	525
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	(1)	7	11
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	0	0	0
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests		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	95	30	(119)
Change in other		(10)	0
Change in deferred tax asset (liability)	(20)	(6)	25
Corebridge deconsolidation, net of tax	42
Other comprehensive income (loss)	117	14	(94)
Add: Corebridge noncontrolling interests	2	13	0
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	(1,551)	8,410	(47,647)
Change in other	18	52	(12)
Change in future policy benefits	(59)	(254)	1,805
Change in deferred tax asset (liability)	(70)	(1,074)	7,446
Corebridge deconsolidation, net of tax	8,513
Other comprehensive income (loss)	6,851	7,134	(38,408)
Add: Corebridge noncontrolling interests	610	4,524	2,485
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	130	(695)	1,635
Change in deferred tax asset (liability)	(28)	151	(341)
Corebridge deconsolidation, net of tax	330
Other comprehensive income (loss)	432	(544)	1,294
Add: Corebridge noncontrolling interests	33	153	11
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	946	(1,045)	6,993
Change in deferred tax asset (liability)	(165)	174	(1,449)
Corebridge deconsolidation, net of tax	(1,583)
Other comprehensive income (loss)	(802)	(871)	5,544
Add: Corebridge noncontrolling interests	(105)	(732)	(393)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in foreign currency translation adjustments	(407)	137	(593)
Change in deferred tax asset (liability)	(45)	(35)	(20)
Corebridge deconsolidation, net of tax	(88)
Other comprehensive income (loss)	(540)	102	(613)
Add: Corebridge noncontrolling interests	(3)	(18)	14
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in net actuarial loss	63	143	(31)
Change in prior service cost	2	4	8
Change in deferred tax asset (liability)	(18)	(42)	3
Other comprehensive income (loss)	47	105	(20)
Add: Corebridge noncontrolling interests	$ 0	(2)	(1)
Fair Value of Liabilities Under Fair Value Option 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 liabilities under fair value option attributable to changes in our own credit risk			(6)
Other comprehensive income (loss)		0	(6)
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period		$ 0	6
Balance, end of period			$ 0