Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 973	$ (1,259)	$ 3,300	$ 621
Other comprehensive income (loss), net of tax
Change in unrealized appreciation (depreciation) of fixed maturity securities on which other-than-temporary credit impairments were taken	(2)	107	756	(1,089)
Change in unrealized appreciation (depreciation) of all other investments	656	(758)	6,278	(4,222)
Change in foreign currency translation adjustments	(34)	(129)	1	(181)
Change in retirement plan liabilities adjustment	7	14	14	66
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	1	0	(1)	1
Other comprehensive income (loss)	628	(766)	7,048	(5,425)
Comprehensive income (loss)	1,601	(2,025)	10,348	(4,804)
Comprehensive income (loss) attributable to noncontrolling interests	321	0	901	5
Comprehensive income (loss) attributable to AIG	$ 1,280	$ (2,025)	$ 9,447	$ (4,809)