Variable Interest Entities (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Maximum exposure to loss, On-Balance Sheet	$ 165,971	$ 161,322
Other investments	9,987	9,828
Unconsolidated VIE
Variable Interest Entity [Line Items]
Total VIE Assets	392,646	372,300
Maximum exposure to loss, On-Balance Sheet	3,501	2,978
Maximum exposure to loss, Off-Balance Sheet	2,147	1,593
Exposure to loss	5,648	4,571
Other investments	3,500	2,900
Unconsolidated VIE | Related Party | AIG Financial Products
Variable Interest Entity [Line Items]
Total VIE Assets	1,352	1,925
Maximum exposure to loss, Off-Balance Sheet	1,323	1,894
Unconsolidated VIE | Real Estate and Investment Entities
Variable Interest Entity [Line Items]
Total VIE Assets	388,228	367,661
Maximum exposure to loss, On-Balance Sheet	3,345	2,723
Maximum exposure to loss, Off-Balance Sheet	1,391	839
Exposure to loss	4,736	3,562
Unconsolidated VIE | Other Investment Companies
Variable Interest Entity [Line Items]
Total VIE Assets	4,418	4,639
Maximum exposure to loss, On-Balance Sheet	156	255
Maximum exposure to loss, Off-Balance Sheet	756	754
Exposure to loss	$ 912	$ 1,009