EARNINGS PER SHARE (EPS) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator for EPS:
Income (loss) from continuing operations	$ 1,775	$ 3,006	$ 4,251	$ 4,665
Less: Net income from continuing operations attributable to noncontrolling interests	(9)	(37)	0	(34)
Income (loss) attributable to AIG common shareholders from continuing operations	1,784	3,043	4,251	4,699
Income (loss) from discontinued operations, net of income tax expense	16	30	17	(17)
Net income (loss) attributable to AIG common shareholders	$ 1,800	$ 3,073	$ 4,268	$ 4,682
Denominator for EPS:
Weighted average shares outstanding - basic	1,329,157,366	1,442,397,111	1,347,452,833	1,450,776,629
Dilutive shares	36,233,065	22,279,219	28,873,138	17,587,654
Weighted average shares outstanding - diluted	1,365,390,431	1,464,676,330	1,376,325,971	1,468,364,283
Basic:
Income from continuing operations	$ 1.34	$ 2.11	$ 3.16	$ 3.24
Income (loss) from discontinued operations	0.01	0.02	0.01	(0.01)
Net Income (loss) attributable to AIG - basic (in dollars per share)	1.35	2.13	3.17	3.23
Diluted:
Income from continuing operations	1.31	2.08	3.09	3.2
Income (loss) from discontinued operations	0.01	0.02	0.01	(0.01)
Net Income (loss) attributable to AIG - diluted (in dollars per share)	$ 1.32	$ 2.1	$ 3.1	$ 3.19
Basic and diluted:
Number of shares, warrants, and options excluded from diluted shares outstanding because the effect would have been anti-dilutive	200,000	300,000	300,000	300,000