EARNINGS PER SHARE (EPS) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator for EPS:
Income (Loss) from Continuing Operations	$ 433	$ (180)	$ 2,211	$ 4,071
Less:
Net income (loss) from continuing operations attributable to noncontrolling interests	(26)	34	(35)	34
Net income (loss) attributable to AIG common shareholders from continuing operations	459	(214)	2,246	4,037
Income (loss) from discontinued operations, net of income tax expense	3	(17)	(54)	0
Net income (loss) attributable to AIG common shareholders	$ 462	$ (231)	$ 2,192	$ 4,037
Denominator for EPS:
Weighted average shares outstanding - basic	1,071,295,892	1,279,072,748	1,113,650,878	1,324,407,969
Dilutive shares	31,104,878	0	29,049,329	32,700,815
Weighted average shares outstanding - diluted	1,102,400,770	1,279,072,748	1,142,700,207	1,357,108,784
Basic:
Income from continuing operations	$ 0.43	$ (0.17)	$ 2.02	$ 3.05
Income (loss) from discontinued operations	0	(0.01)	(0.05)	0
Net income attributable to AIG	0.43	(0.18)	1.97	3.05
Diluted:
Income from continuing operations	0.42	(0.17)	1.97	2.97
Income (loss) from discontinued operations	0	(0.01)	(0.05)	0
Net Income attributable to AIG	$ 0.42	$ (0.18)	$ 1.92	$ 2.97
Number of shares, warrants, and options excluded from diluted shares outstanding because the effect would have been anti-dilutive	100,000	100,000	200,000	200,000