Variable Interest Entities - Unconsolidated VIEs (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Maximum exposure to loss, On-Balance Sheet	$ 161,322	$ 539,306
Other investments	9,828	6,368
Unconsolidated VIE
Variable Interest Entity [Line Items]
Total VIE Assets	372,300	356,030
Maximum exposure to loss, On-Balance Sheet	2,978	4,107
Maximum exposure to loss, Off-Balance Sheet	1,593	2,240
Exposure to loss	4,571	6,347
Other investments	2,900	4,100
Unconsolidated VIE | Related Party | AIG Financial Products
Variable Interest Entity [Line Items]
Total VIE Assets	1,925	1,971
Maximum exposure to loss, Off-Balance Sheet	1,894	1,941
Unconsolidated VIE | Real Estate and Investment Entities
Variable Interest Entity [Line Items]
Total VIE Assets	367,661	355,003
Maximum exposure to loss, On-Balance Sheet	2,723	4,107
Maximum exposure to loss, Off-Balance Sheet	839	1,492
Exposure to loss	3,562	5,599
Unconsolidated VIE | Other Investment Companies
Variable Interest Entity [Line Items]
Total VIE Assets	4,639	1,027
Maximum exposure to loss, On-Balance Sheet	255	0
Maximum exposure to loss, Off-Balance Sheet	754	748
Exposure to loss	$ 1,009	$ 748