Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)	$ 150	$ (7,766)	$ 4,080	$ (6,112)
Other comprehensive income (loss), net of tax
Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses was taken	4	126	37	(233)
Change in unrealized appreciation (depreciation) of all other investments	3,710	10,082	(3,489)	4,540
Change in foreign currency translation adjustments	14	(61)	139	(146)
Change in retirement plan liabilities adjustment	14	9	11	2
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	0	(2)	(1)	1
Other comprehensive income (loss)	3,742	10,154	(3,303)	4,164
Comprehensive income (loss)	3,892	2,388	777	(1,948)
Comprehensive income attributable to noncontrolling interests	50	153	104	44
Comprehensive income (loss) attributable to AIG	$ 3,842	$ 2,235	$ 673	$ (1,992)