Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Sep. 19, 2022
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Percent	23.00%	20.90%	16.40%	20.80%
U.S. federal income tax at statutory rate (as a percent)			21.00%	21.00%
Valuation allowance related to certain tax attribute carryforward	$ 858		$ 858
Gross unrecognized tax benefits, beginning of year	1,400		1,400		$ 1,200
Unrecognized tax benefits, if recognized would favorably affect the effective tax rate	1,400		1,400		1,200
Unrecognized tax benefits, interest and penalties accrued	58		58		$ 63
Unrecognized tax benefits, interest net of the federal (benefit) expense and penalties			5	$ 8
Valuation allowance	2,400		2,400
Foreign And State Jurisdictions
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized			(51)
Federal Tax Credit Carryforwards and Tax Credit Carryforwards
Operating Loss Carryforwards [Line Items]
Valuation allowance related to certain tax attribute carryforward	713		713
Other Deferred Tax Assets
Operating Loss Carryforwards [Line Items]
Valuation allowance related to certain tax attribute carryforward	145		145
Corebridge Financial Inc
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized	(57)		(6)
U.S.. Life Insurance Companies
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized	177		113
Non U.S.. Life Insurance Companies
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized	$ 160
U.S.. Life Insurance Companies, Available-for-Sale Portfolio
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized			1,500
Non U.S.. Life Insurance Companies, Available-for-Sale Portfolio
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized			$ 905
Corebridge Financial Inc
Operating Loss Carryforwards [Line Items]
Ownership (as a percent)	65.60%		65.60%
Corebridge Financial Inc | Maximum
Operating Loss Carryforwards [Line Items]
Ownership (as a percent)						80.00%