Variable Interest Entities - Unconsolidated VIEs (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2021
VARIABLE INTEREST ENTITY
Maximum exposure to loss, On-Balance Sheet		$ 539,306	$ 522,228	$ 598,841
Other invested assets	[1]	16,217	15,953
Unconsolidated VIE
VARIABLE INTEREST ENTITY
Total VIE Assets		529,080	505,521
Maximum exposure to loss, On-Balance Sheet		9,183	9,392
Maximum exposure to loss, Off-Balance Sheet		4,468	4,685
Exposure to loss		13,651	14,077
Other invested assets		9,100	9,300
Unconsolidated VIE | AIG Financial Products
VARIABLE INTEREST ENTITY
Total VIE Assets		1,971	2,057
Maximum exposure to loss, Off-Balance Sheet		1,941	2,033
Unconsolidated VIE | Real Estate and Investment Entities
VARIABLE INTEREST ENTITY
Total VIE Assets		528,053	504,219
Maximum exposure to loss, On-Balance Sheet		9,125	9,145
Maximum exposure to loss, Off-Balance Sheet		3,720	3,938
Exposure to loss		12,845	13,083
Unconsolidated VIE | Other Investment Companies
VARIABLE INTEREST ENTITY
Total VIE Assets		1,027	1,302
Maximum exposure to loss, On-Balance Sheet		58	247
Maximum exposure to loss, Off-Balance Sheet		748	747
Exposure to loss		$ 806	$ 994

[1] See Note 10 for details of balances associated with variable interest entities.