CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Total AIG Shareholders' Equity	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Non redeemable Non-controlling Interests
Balance at Dec. 31, 2014	$ 107,272	$ 106,898	$ 4,766	$ (19,218)	$ 80,958	$ 29,775	$ 10,617	$ 374
Increase (Decrease) in Stockholders' Equity
Common stock issued under stock plans				13	(13)
Purchase of common stock	(10,895)	(10,895)		(10,895)
Net income (loss) attributable to AIG or noncontrolling interests	2,222	2,196				2,196		26
Dividends	(1,028)	(1,028)				(1,028)
Other Comprehensive Income (Loss)	(8,086)	(8,080)					(8,080)	(6)
Current and deferred income taxes	(9)	(9)			(9)
Net decrease due to deconsolidation	231							231
Contributions from noncontrolling interests	1							1
Distributions to noncontrolling interests	(82)							(82)
Other	584	576		2	574	0		8
Balance at Dec. 31, 2015	90,210	89,658	4,766	(30,098)	81,510	30,943	2,537	552
Increase (Decrease) in Stockholders' Equity
Common stock issued under stock plans	(89)	(89)		86	(175)
Purchase of common stock	(11,460)	(11,460)		(11,460)
Net income (loss) attributable to AIG or noncontrolling interests	(349)	(849)				(849)		500
Dividends	(1,372)	(1,372)				(1,372)
Other Comprehensive Income (Loss)	693	693					693	0
Current and deferred income taxes	(208)	(208)			(208)
Net increase due to acquisitions and consolidations	43							43
Contributions from noncontrolling interests	22							22
Distributions to noncontrolling interests	(570)							(570)
Other	(62)	(73)		1	(63)	(11)		11
Balance at Dec. 31, 2016	76,858	76,300	4,766	(41,471)	81,064	28,711	3,230	558
Increase (Decrease) in Stockholders' Equity
Common stock issued under stock plans	(178)	(178)		147	(325)
Purchase of common stock	(6,275)	(6,275)		(6,275)
Net income (loss) attributable to AIG or noncontrolling interests	(6,056)	(6,084)				(6,084)		28
Dividends	(1,172)	(1,172)				(1,172)
Other Comprehensive Income (Loss)	2,235	2,235					2,235	0
Current and deferred income taxes	(4)	(4)			(4)	0
Net increase due to acquisitions and consolidations	101							101
Contributions from noncontrolling interests	42							42
Distributions to noncontrolling interests	(193)							(193)
Other	350	349		4	343	2		1
Balance at Dec. 31, 2017	$ 65,708	$ 65,171	$ 4,766	$ (47,595)	$ 81,078	$ 21,457	$ 5,465	$ 537