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Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Valuation Allowance [Line Items]
Effective income tax rate (as a percent)	25.20%	17.60%	20.70%	(23.10%)
U.S. federal income tax at statutory rate (as a percent)	21.00%	21.00%	21.00%	21.00%
Federal operating loss carryforward limitation	$ 648		$ 648
Increase in valuation allowance	30		45
Valuation allowance related to certain tax attribute carryforward	207		207
Foreign Tax Authority
Valuation Allowance [Line Items]
Increase in valuation allowance			2
U.S.. Life Insurance Companies
Valuation Allowance [Line Items]
Increase in valuation allowance	96		290
Valuation allowance	1,300		1,300
Insurance Companies
Valuation Allowance [Line Items]
Valuation allowance	$ 57		$ 57
Corebridge \| Maximum \| AIG
Valuation Allowance [Line Items]
Ownership percentage (as a percent)	80.00%		80.00%