Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details)

v3.3.1.900
COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details)
 3 Months Ended 12 Months Ended
Jan. 17, 2012
county
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
lawsuit
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Sep. 28, 2015
USD ($)
Jul. 27, 2012
USD ($)
Jan. 19, 2007
USD ($)
Dec. 08, 2006
USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Aggregate range of reasonably possible losses current legal proceedings, minimum     $ 0            
Aggregate range of reasonably possible losses current legal proceedings, maximum     80,000,000            
Operating lease, future minimum payments due:                  
2016     53,000,000            
2017     49,000,000            
2018     46,000,000            
2019     42,000,000            
2020     41,000,000            
Thereafter     191,000,000            
Future minimum sublease rental payments:                  
Operating leases, future minimum payments due, future minimum sublease rentals, total     11,000,000            
2016     4,000,000            
2017     2,000,000            
2018     2,000,000            
2019     1,000,000            
2020     1,000,000            
Thereafter     1,000,000            
Total rental expense for all operating leases     58,000,000 $ 57,000,000 $ 55,000,000        
Commercial letters-of-credit                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Contract amount represents credit risk     $ 56,000,000            
Maturity period of guarantee     90 days            
Commitments to Sell Loans                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Commitments to sell residential real estate loans     $ 659,000,000 545,000,000          
Maturity period of forward contracts relating mortgage banking business (less than)     1 year            
Standby letters of credit                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Contract amount represents credit risk     $ 512,000,000 497,457,000          
Maturity period of guarantee     2 years            
Outstanding standby letters of credit     $ 7,000,000 $ 4,000,000          
Percentage of outstanding standby letters of credit collateralized     80.00%            
Cyberco Litigation                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Number of lawsuits | lawsuit     2            
Bankruptcy trustee alleging for amount (over)                 $ 70,000,000
Preferential transfer alleged by bankruptcy trustee                 $ 1,000,000
Fraudulent transfers alleged by bankruptcy trustee               $ 73,000,000  
Bankruptcy Court recommended judgment amount in Cyberco case, principle           $ 72,000,000 $ 72,000,000    
Bankruptcy Court recommended judgment amount in Cyberco case, interest             $ 9,000,000    
Loss contingency accrual, period increase   $ 38,000,000              
MERSCORP Litigation                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Number of counties | county 88                
Risk Level, Low                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Contract amount represents credit risk     $ 186,000,000            
Risk Level, Medium                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Contract amount represents credit risk     326,000,000            
Risk Level, High (less than $1 million)                  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]                  
Contract amount represents credit risk     $ 1,000,000