Consolidated Statement of Operations (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Premiums	$ 9,619	$ 9,898	$ 19,080	$ 19,380
Policy fees	674	682	1,365	1,366
Net investment income	4,481	4,464	11,586	10,033
Net realized capital gains (losses):
Total other-than-temporary impairments on available for sale securities	(99)	(181)	(267)	(399)
Portion of other-than-temporary impairments on available for sale fixed maturity securities recognized in Other comprehensive income	(51)	56	(336)	59
Net other-than-temporary impairments on available for sale securities recognized in net income	(150)	(125)	(603)	(340)
Other realized capital gains (losses)	547	200	750	(320)
Total net realized capital gains (losses)	397	75	147	(660)
Aircraft leasing revenue	1,123	1,134	2,279	2,290
Other income	829	427	1,109	1,710
Total revenues	17,123	16,680	35,566	34,119
Benefits, claims and expenses:
Policyholder benefits and claims incurred	7,769	8,086	14,871	17,045
Interest credited to policyholder account balances	1,064	1,114	2,133	2,220
Amortization of deferred acquisition costs	1,472	1,322	2,819	2,553
Other acquisition and insurance expenses	2,264	2,129	4,522	4,097
Interest expense	954	1,001	1,907	2,085
Aircraft leasing expenses	646	578	1,271	1,207
Net loss on extinguishment of debt	11	79	32	3,392
Other expenses	1,192	577	1,676	1,036
Total benefits, claims and expenses	15,372	14,886	29,231	33,635
Income from continuing operations before income tax expense (benefit)	1,751	1,794	6,335	484
Income tax expense (benefit)	(593)	(296)	555	(522)
Income from continuing operations	2,344	2,090	5,780	1,006
Income (loss) from discontinued operations, net of income tax expense (benefit)	(5)	(37)	8	2,548
Net income	2,339	2,053	5,788	3,554
Less: Net income from continuing operations attributable to noncontrolling interests:
Nonvoting, callable, junior and senior preferred interests		141	208	393
Other	7	64	40	9
Total net income from continuing operations attributable to noncontrolling interests	7	205	248	402
Net income from discontinued operations attributable to noncontrolling interests		12		19
Total net income attributable to noncontrolling interests	7	217	248	421
Net income attributable to AIG	2,332	1,836	5,540	3,133
Net income attributable to AIG common shareholders	$ 2,332	$ 1,836	$ 5,540	$ 2,321
Basic:
Income (loss) from continuing operations (in dollars per share)	$ 1.33	$ 1.03	$ 3.05	$ (0.12)
Income (loss) from discontinued operations (in dollars per share)		$ (0.03)		$ 1.49
Diluted:
Income (loss) from continuing operations (in dollars per share)	$ 1.33	$ 1.03	$ 3.05	$ (0.12)
Income (loss) from discontinued operations (in dollars per share)		$ (0.03)		$ 1.49
Weighted average shares outstanding:
Basic (in shares)	1,756,689,067	1,836,713,069	1,816,331,019	1,698,001,301
Diluted (in shares)	1,756,714,475	1,836,771,513	1,816,358,625	1,698,001,301