Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 3,041	$ 1,737	$ 11,089	$ 5,817
Other comprehensive income (loss), net of tax
Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses was taken	(73)	12	(78)	49
Change in unrealized depreciation of all other investments	(8,324)	(1,510)	(34,469)	(4,999)
Change in foreign currency translation adjustments	(591)	(135)	(877)	4
Change in retirement plan liabilities adjustment	15	31	40	42
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	0	0	(4)	(1)
Other comprehensive loss	(8,973)	(1,602)	(35,388)	(4,905)
Comprehensive income (loss)	(5,932)	135	(24,299)	912
Comprehensive income (loss) attributable to noncontrolling interests	(464)	71	(1,784)	175
Comprehensive income (loss) attributable to AIG	$ (5,468)	$ 64	$ (22,515)	$ 737