Variable Interest Entities - Unconsolidated VIEs (Details) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
VARIABLE INTEREST ENTITY
Maximum exposure to loss, On-Balance Sheet		$ 544,121	$ 539,306
Other investments	[1]	15,977	16,217
Unconsolidated VIE
VARIABLE INTEREST ENTITY
Total VIE Assets		547,039	529,080
Maximum exposure to loss, On-Balance Sheet		9,284	9,183
Maximum exposure to loss, Off-Balance Sheet		4,314	4,468
Exposure to loss		13,598	13,651
Other investments		9,200	9,100
Unconsolidated VIE | AIG Financial Products
VARIABLE INTEREST ENTITY
Total VIE Assets		1,948	1,971
Maximum exposure to loss, Off-Balance Sheet		1,918	1,941
Unconsolidated VIE | Real Estate and Investment Entities
VARIABLE INTEREST ENTITY
Total VIE Assets		546,012	528,053
Maximum exposure to loss, On-Balance Sheet		9,226	9,125
Maximum exposure to loss, Off-Balance Sheet		3,566	3,720
Exposure to loss		12,792	12,845
Unconsolidated VIE | Other Investment Companies
VARIABLE INTEREST ENTITY
Total VIE Assets		1,027	1,027
Maximum exposure to loss, On-Balance Sheet		58	58
Maximum exposure to loss, Off-Balance Sheet		748	748
Exposure to loss		$ 806	$ 806

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