ALLOWANCE FOR CREDIT LOSSES (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Allowance for loan losses disclosures
Other, net	$ (418)	$ (240)	$ (386)	$ (957)
U.S. loan portfolios
Allowance for loan losses disclosures
Other, net			(320)	(930)
Egg Banking PLC
Allowance for loan losses disclosures
Other, net				$ (240)