COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Litigation) (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Feb. 28, 2013 Mortgage_Servicer	Jan. 24, 2013 Mortgage_Servicer	Jan. 07, 2013 Mortgage_Servicer	Apr. 13, 2011 Mortgage_Servicer
Loss Contingencies [Line Items]
Loss contingency, maximum possible loss	$ 11,700,000
Foreclosure Matters [Member]
Loss Contingencies [Line Items]
Consent order, number of mortgage servicers						14
Number of mortgage servicing companies			10	12	9
Remediation fund amount	6,200,000
Remediation fund engaging period	2 years
Principal engaging in mortgage modifications	9,900,000
Mortgage loan amount submitted for credit from OCC		74,100,000
Litigation settlement incurred by the Bank as percentage of total settlement amount	0.17%
Litigation settlement amount accumulated by different banks	9,300,000,000
Litigation settlement gross amount	16,100,000
Identity Theft Protection Product Matter [Member]
Loss Contingencies [Line Items]
Identity theft protection payments returned to customers	13,200,000
Identity Theft Protection Product Matter [Member] | General and Administrative Expense [Member]
Loss Contingencies [Line Items]
Expected fees to be returned to customers		$ 30,000,000