DERIVATIVES AND HEDGE ACCOUNTING (Details 2) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Notional amounts and fair values of AIG's derivative instruments
Derivative Assets, Notional Amount	$ 89,468,000,000	$ 97,922,000,000
Derivative Assets, Fair Value	5,677,000,000	7,047,000,000
Derivative Liabilities, Notional Amount	110,711,000,000	117,630,000,000
Derivative Liabilities, Fair Value	7,403,000,000	9,760,000,000
Derivative assets, Counterparty netting	(2,011,000,000)	(2,467,000,000)
Derivative assets, Cash collateral	(861,000,000)	(909,000,000)
Total derivative assets, net	2,805,000,000	3,671,000,000
Derivative liabilities, Counterparty netting	(2,011,000,000)	(2,467,000,000)
Derivative liabilities, Cash collateral	(1,612,000,000)	(1,976,000,000)
Total derivative liabilities, net	3,780,000,000	5,317,000,000
Less: Bifurcated embedded derivative liabilities, fair value	656,000,000	1,256,000,000
Total derivative assets on consolidated balance sheet	2,805,000,000	3,671,000,000
Total derivative liabilities on consolidated balance sheet	3,124,000,000	4,061,000,000
Collateral
Collateral posted to third parties for derivative transactions	3,500,000,000	4,500,000,000
Collateral obtained from third parties for derivative transactions	1,100,000,000	1,400,000,000
Global Capital Markets (GCM) derivatives
Notional amounts and fair values of AIG's derivative instruments
Derivative Assets, Notional Amount	63,021,000,000	73,882,000,000
Derivative Assets, Fair Value	4,835,000,000	6,033,000,000
Derivative Liabilities, Notional Amount	76,448,000,000	85,491,000,000
Derivative Liabilities, Fair Value	5,780,000,000	7,324,000,000
AIG Financial Products
Notional amounts and fair values of AIG's derivative instruments
Derivative Assets, Notional Amount	54,970,000,000	59,854,000,000
Derivative Assets, Fair Value	3,982,000,000	4,725,000,000
Derivative Liabilities, Notional Amount	60,806,000,000	66,717,000,000
Derivative Liabilities, Fair Value	4,204,000,000	5,506,000,000
AIG Markets
Notional amounts and fair values of AIG's derivative instruments
Derivative Assets, Notional Amount	8,051,000,000	14,028,000,000
Derivative Assets, Fair Value	853,000,000	1,308,000,000
Derivative Liabilities, Notional Amount	15,642,000,000	18,774,000,000
Derivative Liabilities, Fair Value	1,576,000,000	1,818,000,000
Non-Global Capital Markets derivatives
Notional amounts and fair values of AIG's derivative instruments
Derivative Assets, Notional Amount	26,447,000,000	24,040,000,000
Derivative Assets, Fair Value	842,000,000	1,014,000,000
Derivative Liabilities, Notional Amount	34,263,000,000	32,139,000,000
Derivative Liabilities, Fair Value	$ 1,623,000,000	$ 2,436,000,000