Debt - Debt Issuance (Details) - Corebridge senior unsecured notes - USD ($)	Dec. 08, 2023	Sep. 15, 2023	Mar. 31, 2023
Senior Notes Due 2033
Debt Instrument [Line Items]
Amount of debt issued		$ 500,000,000	$ 750,000,000
Interest rate (as a percent)		6.05%	5.125%
Senior Notes Due 2034
Debt Instrument [Line Items]
Amount of debt issued	$ 750,000,000
Interest rate (as a percent)	5.75%