LOANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
LOANS
Number of loan categories	2
Loans
Loans, net of unearned income	$ 665,472,000,000	$ 655,464,000,000
Consumer
Loans
Total loans	394,403,000,000	409,089,000,000
Net unearned income	(572,000,000)	(418,000,000)
Loans, net of unearned income	393,831,000,000	408,671,000,000
Loans sold and/or reclassified to held-for-sale	11,500,000,000	4,300,000,000
Loans acquired related to acquisition	7,000,000,000
In U.S. offices | Consumer
Loans
Total loans	244,094,000,000	256,763,000,000
In U.S. offices | Consumer | Mortgage and real estate
Loans
Total loans	108,453,000,000	125,946,000,000
In U.S. offices | Consumer | Installment, revolving credit and other
Loans
Total loans	13,398,000,000	14,070,000,000
In U.S. offices | Consumer | Credit cards
Loans
Total loans	115,651,000,000	111,403,000,000
In U.S. offices | Consumer | Commercial and industrial
Loans
Total loans	6,592,000,000	5,344,000,000
In offices outside the U.S. | Consumer
Loans
Total loans	150,309,000,000	152,326,000,000
In offices outside the U.S. | Consumer | Mortgage and real estate
Loans
Total loans	55,511,000,000	54,709,000,000
In offices outside the U.S. | Consumer | Installment, revolving credit and other
Loans
Total loans	33,182,000,000	33,958,000,000
In offices outside the U.S. | Consumer | Credit cards
Loans
Total loans	36,740,000,000	40,653,000,000
In offices outside the U.S. | Consumer | Commercial and industrial
Loans
Total loans	24,107,000,000	22,225,000,000
In offices outside the U.S. | Consumer | Lease financing
Loans
Total loans	$ 769,000,000	$ 781,000,000