Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 61	$ (6,056)	$ (349)
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	(1,000)	367	(270)
Change in unrealized appreciation (depreciation) of all other investments	(4,975)	1,288	839
Change in foreign currency translation adjustments	(349)	539	250
Change in retirement plan liabilities adjustment	28	41	(126)
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	3	0	0
Other comprehensive income (loss)	(6,293)	2,235	693
Comprehensive income (loss)	(6,232)	(3,821)	344
Comprehensive income attributable to noncontrolling interests	76	28	500
Comprehensive loss attributable to AIG	$ (6,308)	$ (3,849)	$ (156)