Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Condensed Consolidated Statements of Comprehensive Loss
Net income	$ 3,930	$ 1,654
Other comprehensive loss, net of tax
Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses was taken	33	(359)
Change in unrealized depreciation of all other investments	(7,199)	(5,542)
Change in foreign currency translation adjustments	125	(85)
Change in retirement plan liabilities adjustment	(3)	(7)
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	(1)	3
Other comprehensive loss	(7,045)	(5,990)
Comprehensive loss	(3,115)	(4,336)
Comprehensive income (loss) attributable to noncontrolling interests	54	(109)
Comprehensive loss attributable to AIG	$ (3,169)	$ (4,227)