Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 42,550	$ 51,301
Change in unrealized appreciation (depreciation) of investments	322	(1,202)
Change in other	6	5
Change in fair value of market risk benefits, net		(29)
Change in discount rates	9	697
Change in future policy benefits		(126)
Change in foreign currency translation adjustments	175	(339)
Change in net actuarial loss	8	7
Change in prior service cost		2
Change in deferred tax asset (liability)	116	(72)
Other comprehensive income (loss)	636	(1,057)
Add: Corebridge noncontrolling interests		(73)
Balance, end of period	41,459	49,110
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(7,099)	(14,037)
Other comprehensive income (loss)	635	(759)
Balance, end of period	(6,464)	(14,869)
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	(4)	(106)
Balance, end of period	0	(66)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(2,868)	(10,888)
Balance, end of period	(2,443)	(11,702)
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	0	(476)
Other comprehensive income (loss)	0	(23)
Balance, end of period	0	(493)
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	68	1,233
Other comprehensive income (loss)	6	545
Balance, end of period	74	1,535
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(3,521)	(2,979)
Balance, end of period	(3,328)	(3,329)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(774)	(821)
Balance, end of period	(767)	(814)
Less: Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	1	(298)
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	0	17
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	0	(559)
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	0	(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]
Less: Noncontrolling interests	0	258
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: Noncontrolling interests	1	(3)
Retirement Plan Liabilities Adjustment
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	4	72
Change in deferred tax asset (liability)		(15)
Other comprehensive income (loss)	4	57
Add: Corebridge noncontrolling interests		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	318	(1,274)
Change in other	6	5
Change in future policy benefits		(126)
Change in deferred tax asset (liability)	101	105
Other comprehensive income (loss)	425	(1,290)
Add: Corebridge noncontrolling interests		(83)
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		(29)
Change in deferred tax asset (liability)		6
Other comprehensive income (loss)	0	(23)
Add: Corebridge noncontrolling interests		(5)
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	9	697
Change in deferred tax asset (liability)	(3)	(152)
Other comprehensive income (loss)	6	545
Add: Corebridge noncontrolling interests		15
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in foreign currency translation adjustments	175	(339)
Change in deferred tax asset (liability)	19	(14)
Other comprehensive income (loss)	194	(353)
Add: Corebridge noncontrolling interests		0
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in net actuarial loss	8	7
Change in prior service cost		2
Change in deferred tax asset (liability)	(1)	(2)
Other comprehensive income (loss)	$ 7	7
Add: Corebridge noncontrolling interests		$ 0