Equity - Schedule of accumulated other comprehensive income (loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Sep. 19, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 43,454	$ 69,034
Change in unrealized appreciation (depreciation) of investments	5,005	(20,167)
Change in other	106	15
Change in fair value of market risk benefits, net	95	991
Change in discount rates	(527)	2,883
Change in future policy benefits	(100)	795
Change in foreign currency translation adjustments	(19)	(3)
Change in net actuarial loss	27	11
Change in prior service cost		1
Change in deferred tax asset (liability)	(674)	2,363
Other comprehensive income (loss)	3,913	(13,111)
Balance, end of period	46,306	58,666
IPO | Corebridge Financial Inc
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Percentage of stock sold (as a percent)			12.40%
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(22,616)	5,071
Other comprehensive income (loss)	3,287	(12,099)
Balance, end of period	(19,329)	(7,028)
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	(136)	(48)
Balance, end of period	(134)	(88)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(20,675)	12,125
Balance, end of period	(17,129)	(2,690)
Change in Fair Value of Market Risk Benefits Related to Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(284)	(1,496)
Other comprehensive income (loss)	75	782
Balance, end of period	(226)	(791)
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	2,459	(2,167)
Other comprehensive income (loss)	(420)	2,290
Balance, end of period	2,150	(99)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(3,056)	(2,446)
Balance, end of period	(3,094)	(2,472)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(924)	(903)
Balance, end of period	(896)	(894)
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in 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	6
Noncontrolling interests
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests	626	(1,012)
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	4	(5)
Unrealized Appreciation (Depreciation) of All Other Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests	706	(1,326)
Change in Fair Value of Market Risk Benefits Related to Our Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests	17	77
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)	222
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests	10	20
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests	0	0
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Noncontrolling interests	0	0
Change in Fair Value of Market Risk Benefits Related to 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	95	991
Change in deferred tax asset (liability)	(20)	(209)
Other comprehensive income (loss)	75	782
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	(527)	2,883
Change in deferred tax asset (liability)	107	(593)
Other comprehensive income (loss)	(420)	2,290
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	9	(57)
Change in other	0	0
Change in deferred tax asset (liability)	(3)	12
Other comprehensive income (loss)	6	(45)
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	4,996	(20,110)
Change in other	106	15
Change in future policy benefits	(100)	795
Change in deferred tax asset (liability)	(750)	3,159
Other comprehensive income (loss)	4,252	(16,141)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in foreign currency translation adjustments	(19)	(3)
Change in deferred tax asset (liability)	(9)	(3)
Other comprehensive income (loss)	(28)	(6)
Retirement Plan Liabilities Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in net actuarial loss	27	11
Change in prior service cost		1
Change in deferred tax asset (liability)	1	(3)
Other comprehensive income (loss)	28	9
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in Own Credit Risk
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Other comprehensive income (loss)	$ 0	$ 0