Variable Interest Entities (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Variable Interest Entity [Line Items]
Maximum exposure to loss, On-Balance Sheet	$ 161,543	$ 161,254
Other investments	7,015	6,696
Unconsolidated VIE
Variable Interest Entity [Line Items]
Total VIE Assets	414,730	408,732
Maximum exposure to loss, On-Balance Sheet	3,087	3,266
Maximum exposure to loss, Off-Balance Sheet	1,622	1,521
Exposure to loss	4,709	4,787
Other investments	3,100	3,300
Unconsolidated VIE | Related Party | AIG Financial Products
Variable Interest Entity [Line Items]
Total VIE Assets	1,000	1,100
Maximum exposure to loss, Off-Balance Sheet	982	1,100
Unconsolidated VIE | Real Estate and Investment Entities
Variable Interest Entity [Line Items]
Total VIE Assets	409,969	403,956
Maximum exposure to loss, On-Balance Sheet	2,929	3,078
Maximum exposure to loss, Off-Balance Sheet	1,325	1,219
Exposure to loss	4,254	4,297
Unconsolidated VIE | Other Investment Companies
Variable Interest Entity [Line Items]
Total VIE Assets	4,761	4,776
Maximum exposure to loss, On-Balance Sheet	158	188
Maximum exposure to loss, Off-Balance Sheet	297	302
Exposure to loss	$ 455	$ 490