INFORMATION PROVIDED IN CONNECTION WITH OUTSTANDING DEBT (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Assets:
Short-term investments	$ 20,215,000,000	$ 28,808,000,000
Other investments	337,992,000,000	347,016,000,000
Total investments	358,207,000,000	375,824,000,000
Cash	1,762,000,000	1,151,000,000	1,232,000,000	1,474,000,000
Other assets, including current and deferred income taxes	146,301,000,000	139,693,000,000
Assets held for sale	31,168,000,000	31,965,000,000
Total assets	537,438,000,000	548,633,000,000
Liabilities:
Insurance liabilities	274,315,000,000	280,298,000,000
Other long-term debt	42,614,000,000	48,500,000,000
Other liabilities, including intercompany balances	95,778,000,000	93,466,000,000
Liabilities held for sale	26,496,000,000	27,366,000,000
Total liabilities	439,203,000,000	449,630,000,000
Redeemable noncontrolling interests (see Note 12)	80,000,000	334,000,000
Total AIG shareholders' equity	97,463,000,000	98,002,000,000
Non-redeemable noncontrolling interests	692,000,000	667,000,000
Total equity	98,155,000,000	98,669,000,000
Total liabilities and equity	537,438,000,000	548,633,000,000
AIG (As Guarantor)
Assets:
Short-term investments	10,141,000,000	14,764,000,000
Other investments	7,189,000,000	3,902,000,000
Total investments	17,330,000,000	18,666,000,000
Cash	107,000,000	81,000,000	72,000,000	176,000,000
Loans to subsidiaries	32,394,000,000	35,064,000,000
Investment in consolidated subsidiaries	68,722,000,000	70,781,000,000
Other assets, including current and deferred income taxes	23,635,000,000	23,153,000,000
Total assets	142,188,000,000	147,745,000,000
Liabilities:
Other long-term debt	31,787,000,000	36,366,000,000
Other liabilities, including intercompany balances	11,807,000,000	12,375,000,000
Loans from subsidiaries	1,131,000,000	1,002,000,000
Total liabilities	44,725,000,000	49,743,000,000
Total AIG shareholders' equity	97,463,000,000	98,002,000,000
Total equity	97,463,000,000	98,002,000,000
Total liabilities and equity	142,188,000,000	147,745,000,000
Intercompany tax payable	6,300,000,000	6,100,000,000
Intercompany derivative liabilities	527,000,000	602,000,000
AIGLH
Assets:
Cash	31,000,000	73,000,000		13,000,000
Investment in consolidated subsidiaries	39,770,000,000	43,891,000,000
Other assets, including current and deferred income taxes	140,000,000	150,000,000
Total assets	39,941,000,000	44,114,000,000
Liabilities:
Other long-term debt	1,393,000,000	1,638,000,000
Other liabilities, including intercompany balances	149,000,000	261,000,000
Loans from subsidiaries	350,000,000	472,000,000
Total liabilities	1,892,000,000	2,371,000,000
Total AIG shareholders' equity	38,049,000,000	41,743,000,000
Total equity	38,049,000,000	41,743,000,000
Total liabilities and equity	39,941,000,000	44,114,000,000
Intercompany tax receivable	82,000,000	120,000,000
Other Subsidiaries
Assets:
Short-term investments	12,080,000,000	18,323,000,000
Other investments	330,803,000,000	345,706,000,000
Total investments	342,883,000,000	364,029,000,000
Cash	1,624,000,000	997,000,000
Loans to subsidiaries	1,446,000,000	5,169,000,000
Investment in consolidated subsidiaries		(28,239,000,000)
Other assets, including current and deferred income taxes	121,902,000,000	121,345,000,000
Assets held for sale	31,168,000,000	31,965,000,000
Total assets	499,023,000,000	495,266,000,000
Liabilities:
Insurance liabilities	274,433,000,000	280,533,000,000
Other long-term debt	9,434,000,000	10,197,000,000
Other liabilities, including intercompany balances	85,099,000,000	89,976,000,000
Loans from subsidiaries	32,360,000,000	41,754,000,000
Liabilities held for sale	26,496,000,000	27,366,000,000
Total liabilities	427,822,000,000	449,826,000,000
Redeemable noncontrolling interests (see Note 12)	80,000,000	192,000,000
Total AIG shareholders' equity	70,429,000,000	44,955,000,000
Non-redeemable noncontrolling interests	692,000,000	293,000,000
Total equity	71,121,000,000	45,248,000,000
Total liabilities and equity	499,023,000,000	495,266,000,000
Reclassifications and Eliminations
Assets:
Short-term investments	(2,006,000,000)	(4,279,000,000)
Other investments		(2,592,000,000)
Total investments	(2,006,000,000)	(6,871,000,000)
Loans to subsidiaries	(33,840,000,000)	(40,233,000,000)
Investment in consolidated subsidiaries	(108,492,000,000)	(86,433,000,000)
Other assets, including current and deferred income taxes	624,000,000	(4,955,000,000)
Total assets	(143,714,000,000)	(138,492,000,000)
Liabilities:
Insurance liabilities	(118,000,000)	(235,000,000)
Other long-term debt		299,000,000
Other liabilities, including intercompany balances	(1,277,000,000)	(9,146,000,000)
Loans from subsidiaries	(33,841,000,000)	(43,228,000,000)
Total liabilities	(35,236,000,000)	(52,310,000,000)
Redeemable noncontrolling interests (see Note 12)		142,000,000
Total AIG shareholders' equity	(108,478,000,000)	(86,698,000,000)
Non-redeemable noncontrolling interests		374,000,000
Total equity	(108,478,000,000)	(86,324,000,000)
Total liabilities and equity	$ (143,714,000,000)	$ (138,492,000,000)