LOANS (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013	Dec. 31, 2013
Loans
Number of loan categories	2			2
Loans, net of unearned income	$ 653,826,000,000			$ 653,826,000,000			$ 665,472,000,000
Consumer
Loans
Total loans	376,967,000,000			376,967,000,000			394,403,000,000
Net unearned income	(649,000,000)			(649,000,000)			(572,000,000)
Loans, net of unearned income	376,318,000,000	[1]		376,318,000,000	[1]		393,831,000,000	[2]
Loans sold and/or reclassified to held-for-sale	1,800,000,000		1,500,000,000	5,600,000,000		11,300,000,000
In U.S. offices | Consumer
Loans
Total loans	230,117,000,000			230,117,000,000			244,094,000,000
In U.S. offices | Consumer | Mortgage and real estate
Loans
Total loans	101,583,000,000	[3]		101,583,000,000	[3]		108,453,000,000	[3]
In U.S. offices | Consumer | Installment, revolving credit and other
Loans
Total loans	13,350,000,000			13,350,000,000			13,398,000,000
In U.S. offices | Consumer | Credit cards
Loans
Total loans	108,314,000,000			108,314,000,000			115,651,000,000
In U.S. offices | Consumer | Commercial and industrial
Loans
Total loans	6,870,000,000			6,870,000,000			6,592,000,000
In offices outside the U.S. | Consumer
Loans
Total loans	146,850,000,000			146,850,000,000			150,309,000,000
In offices outside the U.S. | Consumer | Mortgage and real estate
Loans
Total loans	56,099,000,000	[3]		56,099,000,000	[3]		55,511,000,000	[3]
In offices outside the U.S. | Consumer | Installment, revolving credit and other
Loans
Total loans	34,270,000,000			34,270,000,000			33,182,000,000
In offices outside the U.S. | Consumer | Credit cards
Loans
Total loans	32,410,000,000			32,410,000,000			36,740,000,000
In offices outside the U.S. | Consumer | Commercial and industrial
Loans
Total loans	23,393,000,000			23,393,000,000			24,107,000,000
In offices outside the U.S. | Consumer | Lease financing
Loans
Total loans	$ 678,000,000			$ 678,000,000			$ 769,000,000

[1] Includes $45 million of residential first mortgages recorded at fair value.

[2] Includes $0.9 billion of residential first mortgages recorded at fair value.

[3] Loans secured primarily by real estate.