Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Sep. 19, 2022
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Percent	62.30%	20.20%
U.S. federal income tax at statutory rate (as a percent)	21.00%	21.00%
Valuation allowance related to certain tax attribute carryforward	$ 880
Gross unrecognized tax benefits, beginning of year	1,300		$ 1,200
Unrecognized tax benefits, if recognized would favorably affect the effective tax rate	1,200		1,200
Unrecognized tax benefits, interest and penalties accrued	56		$ 63
Unrecognized tax benefits, interest net of the federal (benefit) expense and penalties	(7)
Foreign And State Jurisdictions
Operating Loss Carryforwards [Line Items]
Deferred tax asset valuation allowance recognized	3
Federal Tax Credit Carryforwards and Tax Credit Carryforwards
Operating Loss Carryforwards [Line Items]
Valuation allowance related to certain tax attribute carryforward	713
Other Deferred Tax Assets
Operating Loss Carryforwards [Line Items]
Valuation allowance related to certain tax attribute carryforward	167
Deferred tax asset valuation allowance recognized	(16)
Non U.S.. Life Insurance Companies
Operating Loss Carryforwards [Line Items]
Deferred tax asset valuation allowance recognized	(234)
U.S.. Life Insurance Companies
Operating Loss Carryforwards [Line Items]
Deferred tax asset valuation allowance recognized	(131)
U.S.. Life Insurance Companies, Available-for-Sale Portfolio
Operating Loss Carryforwards [Line Items]
Deferred tax asset valuation allowance recognized	(1,300)
Non U.S.. Life Insurance Companies, Available-for-Sale Portfolio
Operating Loss Carryforwards [Line Items]
Deferred tax asset valuation allowance recognized	$ (700)
Corebridge Financial Inc
Operating Loss Carryforwards [Line Items]
Ownership (as a percent)	77.30%			77.70%
Corebridge Financial Inc | Maximum
Operating Loss Carryforwards [Line Items]
Ownership (as a percent)				80.00%