Derivatives and Hedge Accounting (Details 2) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Notional amounts and fair values of AIG's derivative instruments:
Derivative Assets, Notional Amount	$ 113,409	$ 190,257
Derivative Assets, Fair Value	9,330	16,311
Derivative Liabilities, Notional Amount	139,126	204,853
Derivative Liabilities, Fair Value	11,103	15,380
Derivative assets, Counterparty netting	(2,808)	(6,298)
Derivative assets, Cash collateral	(1,883)	(4,096)
Total derivative assets, net	4,639	5,917
Derivative liabilities, Counterparty netting	(2,808)	(6,298)
Derivative liabilities, Cash collateral	(2,542)	(2,902)
Total derivative liabilities, net	5,753	6,180
Less: Bifurcated embedded derivative liabilities, fair value	406	445
Total derivative assets on balance sheet	4,639	5,917
Total derivative liabilities on balance sheet	5,347	5,735
Capital Markets
Notional amounts and fair values of AIG's derivative instruments:
Derivative Assets, Notional Amount	90,635	168,033
Derivative Assets, Fair Value	6,056	12,268
Derivative Liabilities, Notional Amount	107,808	173,226
Derivative Liabilities, Fair Value	8,311	12,379
Non-Capital Markets derivatives
Notional amounts and fair values of AIG's derivative instruments:
Derivative Assets, Notional Amount	22,774	22,224
Derivative Assets, Fair Value	3,274	4,043
Derivative Liabilities, Notional Amount	31,318	31,627
Derivative Liabilities, Fair Value	$ 2,792	$ 3,001