LOANS (Details) (USD $)	6 Months Ended			3 Months Ended
	Jun. 30, 2014 category	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 Consumer		Jun. 30, 2013 Consumer	Dec. 31, 2013 Consumer		Jun. 30, 2014 In U.S. offices Consumer	Dec. 31, 2013 In U.S. offices Consumer	Jun. 30, 2014 In U.S. offices Consumer Mortgage and real estate		Dec. 31, 2013 In U.S. offices Consumer Mortgage and real estate		Jun. 30, 2014 In U.S. offices Consumer Installment, revolving credit and other	Dec. 31, 2013 In U.S. offices Consumer Installment, revolving credit and other	Jun. 30, 2014 In U.S. offices Consumer Credit cards	Dec. 31, 2013 In U.S. offices Consumer Credit cards	Jun. 30, 2014 In U.S. offices Consumer Commercial and industrial	Dec. 31, 2013 In U.S. offices Consumer Commercial and industrial	Jun. 30, 2014 In offices outside the U.S. Consumer	Dec. 31, 2013 In offices outside the U.S. Consumer	Jun. 30, 2014 In offices outside the U.S. Consumer Mortgage and real estate		Dec. 31, 2013 In offices outside the U.S. Consumer Mortgage and real estate		Jun. 30, 2014 In offices outside the U.S. Consumer Installment, revolving credit and other	Dec. 31, 2013 In offices outside the U.S. Consumer Installment, revolving credit and other	Jun. 30, 2014 In offices outside the U.S. Consumer Credit cards	Dec. 31, 2013 In offices outside the U.S. Consumer Credit cards	Jun. 30, 2014 In offices outside the U.S. Consumer Commercial and industrial	Dec. 31, 2013 In offices outside the U.S. Consumer Commercial and industrial	Jun. 30, 2014 In offices outside the U.S. Consumer Lease financing	Dec. 31, 2013 In offices outside the U.S. Consumer Lease financing
Loans
Number of loan categories	2
Total loans				$ 384,961,000,000			$ 394,403,000,000		$ 233,207,000,000	$ 244,094,000,000	$ 103,905,000,000	[1]	$ 108,453,000,000	[1]	$ 13,192,000,000	$ 13,398,000,000	$ 109,138,000,000	$ 115,651,000,000	$ 6,972,000,000	$ 6,592,000,000	$ 151,754,000,000	$ 150,309,000,000	$ 57,291,000,000	[1]	$ 55,511,000,000	[1]	$ 34,560,000,000	$ 33,182,000,000	$ 34,252,000,000	$ 36,740,000,000	$ 24,916,000,000	$ 24,107,000,000	$ 735,000,000	$ 769,000,000
Net unearned income				(616,000,000)			(572,000,000)
Loans, net of unearned income	667,504,000,000		665,472,000,000	384,345,000,000	[2]		393,831,000,000	[3]
Loans sold and/or reclassified to held-for-sale	$ 3,800,000,000	$ 10,200,000,000		$ 3,400,000,000		$ 6,500,000,000

[1] Loans secured primarily by real estate.

[2] Includes $46 million of residential first mortgages recorded at fair value.

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