Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (3,884)	$ 1,691	$ (2,284)	$ 1,604
Other comprehensive income (loss), net of tax
Change in unrealized appreciation of fixed maturity securities on which allowance for credit losses was taken	5	29	26	17
Change in unrealized appreciation (depreciation) of all other investments	(160)	(591)	(275)	528
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts	(92)	(77)	(90)	(14)
Change in foreign currency translation adjustments	35	(64)	(310)	(107)
Change in retirement plan liabilities adjustment	10	52	17	78
Change in other comprehensive income (loss) related to discontinued operations	(318)	(1,087)	(945)	1,673
Corebridge Deconsolidation	7,214	0	7,214	0
Other comprehensive income (loss)	6,694	(1,738)	5,637	2,175
Comprehensive income (loss)	2,810	(47)	3,353	3,779
Comprehensive income (loss) attributable to noncontrolling interests	93	(60)	179	449
Comprehensive income (loss) attributable to AIG	$ 2,717	$ 13	$ 3,174	$ 3,330