QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details - Consolidated Statements of Income (Loss)) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
QUARTERLY FINANCIAL INFORMATION (UNAUDITED)
Revenues									$ 64,406	$ 68,874	$ 71,214
Income (loss) from continuing operations before income tax expense (benefit)									10,501	9,368	2,891
Income (loss) from discontinued operations, net of income tax expense	(35)	2	30	(47)	11	(18)	18	73	(50)	84	1
Net income	675	2,201	3,036	1,612	1,973	2,130	2,758	2,231	7,524	9,092	3,700
Net income (loss) from continuing operations attributable to noncontrolling interests:
Nonvoting, callable, junior and senior preferred interests	0	0	0	0	0	0	0	0	0	0	208
Other	20	9	(37)	3	(5)	(40)	27	25	(5)	7	54
Total net income (loss) attributable to noncontrolling interests	20	9	(37)	3	(5)	(40)	27	25
Net income (loss) attributable to AIG	655	2,192	3,073	1,609	1,978	2,170	2,731	2,206	7,529	9,085	3,438
Basic and diluted:
Income from continuing operations	$ 0.5	$ 1.54	$ 2.11	$ 1.13	$ 1.34	$ 1.48	$ 1.84	$ 1.44	$ 5.31	$ 6.11	$ 2.04
Income (loss) from discontinued operations - basic (in dollars per share)	$ (0.03)	$ 0	$ 0.02	$ (0.03)	$ 0.01	$ (0.01)	$ 0.01	$ 0.05	$ (0.04)	$ 0.05	$ 0
Income from continuing operations									$ 5.24	$ 6.08	$ 2.04
Income (loss) from discontinued operations									$ (0.04)	$ 0.05	$ 0
Weighted average shares outstanding:
Basic	1,391,790,420	1,419,239,774	1,442,397,111	1,459,249,393	1,468,725,573	1,475,053,126	1,476,512,720	1,476,471,097	1,427,959,799	1,474,171,690	1,687,197,038
Diluted	1,412,162,456	1,442,067,842	1,464,676,330	1,472,510,813	1,480,654,482	1,485,322,858	1,482,246,618	1,476,678,931	1,447,553,652	1,481,206,797	1,687,226,641
Noteworthy quarterly items income (expense):
Other-than-temporary impairments	(83)	(50)	(55)	(59)	(86)	(52)	(46)	(48)	217	187	829
Net (gain) loss on sale of divested businesses									(2,197)	48	6,736
Adjustment to federal deferred tax valuation allowance	20	21	75	65	741	1,154	509	761	1,800
Net gain (loss) on extinguishment of debt	$ (1,268)	$ (742)	$ (34)	$ (238)	$ (192)	$ (81)	$ (38)	$ (340)	$ (2,282)	$ (651)	$ (32)