CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (6,056)	$ (349)	$ 2,222
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	367	(270)	(347)
Change in unrealized appreciation (depreciation) of all other investments	1,288	839	(6,762)
Change in foreign currency translation adjustments	539	250	(1,100)
Change in retirement plan liabilities adjustment	41	(126)	123
Other comprehensive income	2,235	693	(8,086)
Comprehensive income (loss)	(3,821)	344	(5,864)
Comprehensive income (loss) attributable to noncontrolling interests	28	500	20
Comprehensive income (loss) attributable to AIG	$ (3,849)	$ (156)	$ (5,884)