Consolidated Statement of Operations (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Premiums	$ 9,461	$ 9,482
Policy fees	691	684
Net investment income	7,105	5,569
Net realized capital losses:
Total other-than-temporary impairments on available for sale securities	(168)	(218)
Portion of other-than-temporary impairments on available for sale fixed maturity securities recognized in Other comprehensive income	(285)	3
Net other-than-temporary impairments on available for sale securities recognized in net income	(453)	(215)
Other realized capital gains (losses)	150	(433)
Total net realized capital losses	(303)	(648)
Aircraft leasing revenue	1,156	1,156
Other income	333	1,196
Total revenues	18,443	17,439
Benefits, claims and expenses:
Policyholder benefits and claims incurred	7,102	8,959
Interest credited to policyholder account balances	1,069	1,106
Amortization of deferred acquisition costs	1,347	1,231
Other acquisition and insurance expenses	2,258	1,968
Interest expense	953	1,061
Aircraft leasing expenses	625	670
Net loss on extinguishment of debt	21	3,313
Other expenses	484	441
Total benefits, claims and expenses	13,859	18,749
Income (loss) from continuing operations before income tax expense (benefit)	4,584	(1,310)
Income tax expense (benefit)	1,148	(226)
Income (loss) from continuing operations	3,436	(1,084)
Income from discontinued operations, net of income tax expense (benefit)	13	2,585
Net income	3,449	1,501
Less: Net income from continuing operations attributable to noncontrolling interests:
Nonvoting, callable, junior and senior preferred interests	208	252
Other	33	(55)
Total net income from continuing operations attributable to noncontrolling interests	241	197
Net income from discontinued operations attributable to noncontrolling interests		7
Total net income attributable to noncontrolling interests	241	204
Net income attributable to AIG	3,208	1,297
Net income attributable to AIG common shareholders	$ 3,208	$ 485
Basic:
Income (loss) from continuing operations (in dollars per share)	$ 1.70	$ (1.34)
Income from discontinued operations (in dollars per share)	$ 0.01	$ 1.65
Diluted:
Income (loss) from continuing operations (in dollars per share)	$ 1.70	$ (1.34)
Income from discontinued operations (in dollars per share)	$ 0.01	$ 1.65
Weighted average shares outstanding:
Basic (in shares)	1,875,972,970	1,557,748,353
Diluted (in shares)	1,876,002,775	1,557,748,353