EARNINGS PER SHARE (EPS) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Numerator for EPS:
Income (loss) from continuing operations	$ 2,476	$ 1,659
Net income (loss) from continuing operations attributable to noncontrolling interests	9	3
Income (loss) attributable to AIG common shareholders from continuing operations	2,467	1,656
Income (loss) from discontinued operations, net of income tax expense	1	(47)
Net income (loss) attributable to AIG common shareholders	$ 2,468	$ 1,609
Denominator for EPS:
Weighted average shares outstanding - basic	1,365,951,690	1,459,249,393
Dilutive shares	20,311,859	13,261,420
Weighted average shares outstanding - diluted	1,386,263,549	1,472,510,813
Basic:
Income from continuing operations	$ 1.81	$ 1.13
Income (loss) from discontinued operations	$ 0	$ (0.03)
Net Income (loss) attributable to AIG - basic (in dollars per share)	$ 1.81	$ 1.1
Diluted:
Income from continuing operations	$ 1.78	$ 1.12
Income (loss) from discontinued operations	$ 0	$ (0.03)
Net Income (loss) attributable to AIG - diluted (in dollars per share)	$ 1.78	$ 1.09
Number of shares, warrants, and options excluded from diluted shares outstanding because the effect would have been anti-dilutive	600,000	300,000