INFORMATION PROVIDED IN CONNECTION WITH OUTSTANDING DEBT (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED FINANCIAL STATEMENTS
Net income (loss)	$ 2,231	$ 3,449
Other comprehensive income (loss)	(735)	1,725
Comprehensive income (loss)	1,496	5,174
Total comprehensive income (loss) attributable to noncontrolling interests	25	246
Comprehensive income (loss) attributable to AIG	1,471	4,928
AIG (As Guarantor)
CONDENSED FINANCIAL STATEMENTS
Net income (loss)	2,206	3,208
Other comprehensive income (loss)	(735)	1,720
Comprehensive income (loss)	1,471	4,928
Comprehensive income (loss) attributable to AIG	1,471	4,928
AIGLH
CONDENSED FINANCIAL STATEMENTS
Net income (loss)	574	47
Other comprehensive income (loss)	(639)	825
Comprehensive income (loss)	(65)	872
Comprehensive income (loss) attributable to AIG	(65)	872
Other Subsidiaries
CONDENSED FINANCIAL STATEMENTS
Net income (loss)	2,012	3,066
Other comprehensive income (loss)	(920)	1,975
Comprehensive income (loss)	1,092	5,041
Total comprehensive income (loss) attributable to noncontrolling interests	25	38
Comprehensive income (loss) attributable to AIG	1,067	5,003
Reclassifications and Eliminations
CONDENSED FINANCIAL STATEMENTS
Net income (loss)	(2,561)	(2,872)
Other comprehensive income (loss)	1,559	(2,795)
Comprehensive income (loss)	(1,002)	(5,667)
Total comprehensive income (loss) attributable to noncontrolling interests		208
Comprehensive income (loss) attributable to AIG	$ (1,002)	$ (5,875)