Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 41,529	$ 44,475	$ 42,550	$ 51,301
Corebridge deconsolidation, net of tax	0	0	0	7,214
Other comprehensive income	502	1,847	2,054	7,484
Balance, end of period	41,117	45,073	41,117	45,073
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(5,548)	(7,565)	(7,099)	(14,037)
Other comprehensive income	502	1,843	2,053	7,778
Balance, end of period	(5,046)	(5,722)	(5,046)	(5,722)
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	(6)	(38)	(4)	(106)
Balance, end of period	(6)	(1)	(6)	(1)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(1,951)	(3,422)	(2,868)	(10,888)
Balance, end of period	(1,404)	(2,073)	(1,404)	(2,073)
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	0	0	(476)
Balance, end of period	0	0	0	0
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	75	22	68	1,233
Balance, end of period	80	68	80	68
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(2,899)	(3,322)	(3,521)	(2,979)
Balance, end of period	(2,955)	(2,912)	(2,955)	(2,912)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(767)	(805)	(774)	(821)
Balance, end of period	(761)	(804)	(761)	(804)
Less: Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Add: Corebridge noncontrolling interests				537
Less: Noncontrolling interests		4	1	(294)
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]
Add: Corebridge noncontrolling interests				2
Less: Noncontrolling interests		0	0	17
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Add: Corebridge noncontrolling interests				610
Less: Noncontrolling interests		0	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]
Add: Corebridge noncontrolling interests				33
Less: Noncontrolling interests		0	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]
Add: Corebridge noncontrolling interests				(105)
Less: Noncontrolling interests		0	0	258
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Add: Corebridge noncontrolling interests				(3)
Less: Noncontrolling interests		4	1	1
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Add: Corebridge noncontrolling interests				0
Less: Noncontrolling interests		0	0	0
AOCI Including Portion Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in unrealized appreciation (depreciation) of investments	543	1,626	1,370	(631)
Change in other	20	17	17	13
Change in fair value of market risk benefits, net				130
Change in discount rates	7	(12)	16	947
Change in future policy benefits				(59)
Change in foreign currency translation adjustments	(52)	427	537	173
Change in net actuarial loss	8	2	18	19
Change in prior service cost	1		1
Change in prior service cost		(1)		2
Change in deferred tax asset (liability)	(25)	(212)	95	(324)
Corebridge deconsolidation, net of tax				7,214
Other comprehensive income	502	1,847	2,054	7,484
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	0	45	(3)	98
Change in deferred tax asset (liability)	0	(8)	1	(20)
Corebridge deconsolidation, net of tax				42
Other comprehensive income	0	37	(2)	120
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	543	1,581	1,373	(729)
Change in other	20	17	17	13
Change in future policy benefits				(59)
Change in deferred tax asset (liability)	(16)	(249)	74	(92)
Corebridge deconsolidation, net of tax				8,513
Other comprehensive income	547	1,349	1,464	7,646
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
Change in deferred tax asset (liability)	0	0	0	(28)
Corebridge deconsolidation, net of tax				330
Other comprehensive income	0	0	0	432
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	7	(12)	16	947
Change in deferred tax asset (liability)	(2)	58	(4)	(166)
Corebridge deconsolidation, net of tax				(1,583)
Other comprehensive income	5	46	12	(802)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in foreign currency translation adjustments	(52)	427	537	173
Change in deferred tax asset (liability)	(4)	(13)	30	(14)
Corebridge deconsolidation, net of tax				(88)
Other comprehensive income	(56)	414	567	71
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in net actuarial loss	8	2	18	19
Change in prior service cost	1		1
Change in prior service cost		(1)		2
Change in deferred tax asset (liability)	(3)	0	(6)	(4)
Corebridge deconsolidation, net of tax				0
Other comprehensive income	$ 6	$ 1	$ 13	$ 17