Variable Interest Entities - Unconsolidated VIEs (Details) - USD ($) $ in Millions		Sep. 30, 2023	Dec. 31, 2022	Jan. 01, 2021
VARIABLE INTEREST ENTITY
Total assets		$ 521,521	$ 522,228	$ 598,841
Other invested assets	[1]	16,054	15,953
Unconsolidated VIE
VARIABLE INTEREST ENTITY
Total assets		513,996	505,521
Maximum exposure to loss, On-Balance Sheet		9,216	9,392
Maximum exposure to loss, Off-Balance Sheet		4,472	4,685
Total		13,688	14,077
Other invested assets		9,100	9,300
Unconsolidated VIE | AIG Financial Products
VARIABLE INTEREST ENTITY
Total assets		1,935	2,057
Maximum exposure to loss, Off-Balance Sheet		1,907	2,033
Unconsolidated VIE | Real Estate and Investment Entities
VARIABLE INTEREST ENTITY
Total assets		512,969	504,219
Maximum exposure to loss, On-Balance Sheet		9,158	9,145
Maximum exposure to loss, Off-Balance Sheet		3,724	3,938
Total		12,882	13,083
Unconsolidated VIE | Other Investment Companies
VARIABLE INTEREST ENTITY
Total assets		1,027	1,302
Maximum exposure to loss, On-Balance Sheet		58	247
Maximum exposure to loss, Off-Balance Sheet		748	747
Total		$ 806	$ 994

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