LOANS (Details 7) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Loans receivable
Loans at fair value	$ 5,029	$ 5,287
Loans, net of unearned income	665,472	655,464
Private Banking loans managed on a delinquency basis
Loans receivable
Loans, net of unearned income	17,002	14,945
Corporate
Loans receivable
Loans, total non-accrual	1,908	2,333
Loans at fair value	4,072	4,056
Loans, net of unearned income	271,641	246,793
Corporate | Commercial and industrial
Loans receivable
Loans, total non-accrual	769	1,078
Loans, net of unearned income	113,831	108,776
Corporate | Financial institutions
Loans receivable
Loans, total non-accrual	365	454
Loans, net of unearned income	62,069	54,317
Corporate | Mortgage and real estate
Loans receivable
Loans, total non-accrual	515	680
Loans, net of unearned income	34,900	31,070
Corporate | Lease financing
Loans receivable
Loans, total non-accrual	189	52
Loans, net of unearned income	2,174	2,015
Corporate | Other
Loans receivable
Loans, total non-accrual	70	69
Loans, net of unearned income	54,595	46,559
Corporate | Investment Grade
Loans receivable
Loans, net of unearned income	195,207	174,283
Corporate | Investment Grade | Commercial and industrial
Loans receivable
Loans, net of unearned income	79,360	73,822
Corporate | Investment Grade | Financial institutions
Loans receivable
Loans, net of unearned income	49,699	43,895
Corporate | Investment Grade | Mortgage and real estate
Loans receivable
Loans, net of unearned income	13,178	12,587
Corporate | Investment Grade | Lease financing
Loans receivable
Loans, net of unearned income	1,600	1,404
Corporate | Investment Grade | Other
Loans receivable
Loans, net of unearned income	51,370	42,575
Corporate | Non-Investment Grade
Loans receivable
Loans, net of unearned income	55,360	53,509
Corporate | Non-Investment Grade | Commercial and industrial
Loans receivable
Loans, total non-accrual	769	1,078
Loans, net of unearned income	33,702	33,876
Corporate | Non-Investment Grade | Financial institutions
Loans receivable
Loans, total non-accrual	365	454
Loans, net of unearned income	12,005	9,968
Corporate | Non-Investment Grade | Mortgage and real estate
Loans receivable
Loans, total non-accrual	515	680
Loans, net of unearned income	4,205	2,858
Corporate | Non-Investment Grade | Lease financing
Loans receivable
Loans, total non-accrual	189	52
Loans, net of unearned income	385	559
Corporate | Non-Investment Grade | Other
Loans receivable
Loans, total non-accrual	70	69
Loans, net of unearned income	$ 3,155	$ 3,915