Variable Interest Entities - Real Estate and Investments Entities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Jan. 01, 2021
VARIABLE INTEREST ENTITY
Total assets	$ 521,521	$ 522,228	$ 598,841
Unconsolidated VIE
VARIABLE INTEREST ENTITY
Total assets	513,996	505,521
Exposure to loss	13,688	14,077
Off-balance sheet exposure associated with VIEs	4,472	4,685
Unconsolidated VIE | AIG Financial Products
VARIABLE INTEREST ENTITY
Total assets	1,935	2,057
Off-balance sheet exposure associated with VIEs	$ 1,907	$ 2,033