Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Sep. 19, 2022	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Percent		(0.50%)	21.20%	18.30%
U.S. federal income tax at statutory rate (as a percent)		21.00%	21.00%	21.00%
Valuation allowance related to certain tax attribute carryforward	$ 300	$ 300
Deferred tax asset, increase (decrease) in valuation allowance recognized		(405)
Gross unrecognized tax benefits, beginning of year	1,387	1,387	$ 1,191	$ 1,157		$ 2,343
Unrecognized tax benefits, if recognized would favorably affect the effective tax rate	1,400	1,400	1,200	1,100
Unrecognized tax benefits, interest and penalties accrued	52	52	63	69
Unrecognized tax benefits, interest net of the federal (benefit) expense and penalties		(11)	(2)	$ (207)
Valuation allowance	3,116	3,116	$ 4,250
Foreign And State Jurisdictions
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized	(413)	(44)
Corebridge Financial Inc
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized		11
Valuation allowance	162	162
U.S.. Life Insurance Companies
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized	511	397
Non U.S.. Life Insurance Companies
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized	355
U.S.. Life Insurance Companies, Available-for-Sale Portfolio
Operating Loss Carryforwards [Line Items]
Valuation allowance	1,000	1,000
Non U.S.. Life Insurance Companies, Available-for-Sale Portfolio
Operating Loss Carryforwards [Line Items]
Deferred tax asset, increase (decrease) in valuation allowance recognized		355
Valuation allowance	$ 550	$ 550
Corebridge Financial Inc
Operating Loss Carryforwards [Line Items]
Ownership (as a percent)	52.20%	52.20%
Corebridge Financial Inc | Maximum
Operating Loss Carryforwards [Line Items]
Ownership (as a percent)					80.00%