CONTINGENCIES, COMMITMENTS AND GUARANTEES (Details) (USD $)	0 Months Ended			6 Months Ended			6 Months Ended	0 Months Ended	6 Months Ended					6 Months Ended	3 Months Ended
	Nov. 29, 2012 Chartis U.S. item	Apr. 08, 2013 CFPB	Sep. 30, 2012 Consolidated 2008 Securities Litigation defendant complaint	Jun. 30, 2013 Consolidated 2008 Securities Litigation	Mar. 20, 2009 Consolidated 2008 Securities Litigation complaint	Nov. 25, 2008 ERISA Litigation II complaint	Jun. 30, 2013 Canadian Securities Class Action claim	Mar. 11, 2013 Starr International Litigation class	Jun. 30, 2013 Starr International Litigation	Jun. 30, 2013 Brookfield litigation related to AIGFP	Jun. 30, 2013 Fitzpatrick matter	Jun. 30, 2013 False Claims Act complaint multiple	Feb. 25, 2010 False Claims Act complaint individual	Jun. 30, 2013 Caremark complaint	Sep. 30, 2012 Use of SSDMF
LITIGATION, INVESTIGATIONS AND REGULATORY MATTERS
Number of purported class action complaints			5		8	8								2
Number of named defendants			8
Notice period for purported class action complaints consolidated				30 days
Damages claimed							$ 500,000,000							$ 3,200,000,000
Punitive damages claimed							50,000,000
Percentage of ownership in AIG received by Department of the Treasury									80.00%
Maximum contractual loss										1,500,000,000
Damages claimed, amount currently due											196,000,000
Damages claimed, potential future amounts											78,000,000
Range of loss, minimum											0
Range of loss, maximum											274,000,000
Number of individuals (Relators) seeking to assert claims													2
Damages sought, multiple of damages sustained												3
Number of purported classes								2
Payments for regulatory assessment															11,000,000
Settlement agreement, number of jurisdictions	50
Civil penalty paid	$ 50,000,000	$ 4,500,000