SHARE-BASED COMPENSATION AND OTHER PLANS (Details 3)	12 Months Ended
	Dec. 31, 2012 AIG 2010 Stock Incentive Plan	Dec. 31, 2010 AIG 2007 Stock Incentive Plan Time-vested RSUs	Dec. 31, 2012 AIG 2007 Stock Incentive Plan Time-vested RSUs Maximum	Dec. 31, 2012 AIG 2007 Stock Incentive Plan Time-vested RSUs Minimum	Dec. 31, 2012 SICO Plans
Other Share-Settled Awards Under Share-Based Plans
Total number of shares of common stock permitted to be issued under the plan	60,000,000
Reduction in the number of shares available for grants	1
Number of shares reserved for future grants	25,031,720
Shares granted under the plans		114,521
Vesting period, from date of grant			3 years	2 years
Completion of age of the employee after which the awards can be vested					65 years