Consolidated Statement of Equity (USD $) In Millions, unless otherwise specified		Total	Total AIG Shareholders' Equity	Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income	Non redeemable noncontrolling Interests
Balance at Dec. 31, 2010		$ 113,239	$ 85,319	$ 71,983	$ 368	$ (873)	$ 9,683	$ (3,466)	$ 7,624	$ 27,920
Increase (Decrease) in Stockholders' Equity
Cumulative effect of change in accounting principle, net of tax		(6,463)	(6,463)					(6,382)	(81)
Series F drawdown		20,292	20,292	20,292
Repurchase of SPV preferred interests in connection with Recapitalization		(26,432)								(26,432)
Exchange of consideration for preferred stock in connection with Recapitalization		(20,677)	(20,677)	(92,275)	4,138		67,460
Common stock issued		2,886	2,886		250		2,636
Settlement of equity unit stock purchase contract		1,446	1,446		6		1,440
Net income attributable to AIG or other noncontrolling interests	[1]	3,155	3,133					3,133		22
Net income attributable to noncontrolling nonvoting, callable, junior and senior preferred interests		74								74
Other comprehensive income (loss)		1,334	1,381						1,381	(47)
Acquisition of noncontrolling interest		(537)	(69)				(157)		88	(468)
Net decrease due to deconsolidation		(6)								(6)
Contributions from noncontrolling interests		42								42
Distributions to noncontrolling interests		(116)								(116)
Other		(48)	(7)		(1)	1	(6)	(1)		(41)
Balance at Jun. 30, 2011		88,189	87,241		4,761	(872)	81,056	(6,716)	9,012	948
Balance at Dec. 31, 2011		102,393	101,538		4,766	(942)	81,787	10,774	5,153	855
Increase (Decrease) in Stockholders' Equity
Common stock issued under stock plans		1	1			16	(15)
Purchase of common stock		(5,000)	(5,000)			(5,000)
Net income attributable to AIG or other noncontrolling interests	[1]	5,583	5,540					5,540		43
Other comprehensive income (loss)		2,635	2,638						2,638	(3)
Deferred income taxes		(8)	(8)				(8)
Contributions from noncontrolling interests		46								46
Distributions to noncontrolling interests		(100)								(100)
Other		(21)								(21)
Balance at Jun. 30, 2012		$ 105,529	$ 104,709		$ 4,766	$ (5,926)	$ 81,764	$ 16,314	$ 7,791	$ 820

[1] Excludes gains of $205 million and $325 million for the six months ended June 30, 2012 and 2011, respectively, attributable to redeemable noncontrolling interests.