Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Commercial Loans TDRs (Details)

v2.4.0.6
Outstanding Loans and Leases - Commercial Loans TDRs (Details) (Commercial Portfolio Segment [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Financing Receivable, Modifications [Line Items]      
Real Estate Acquired Through Foreclosure $ 206   $ 250
Unpaid Principal Balance 666 705  
Carrying Value 621 606  
Net Charge-Offs 0 4  
Commercial Financing Receivable [Member] | U.S. Commercial
     
Financing Receivable, Modifications [Line Items]      
Unpaid Principal Balance 397 356  
Carrying Value 394 344  
Net Charge-Offs    0  
Financing Receivable, Modifications, Payment Default, Carrying Value 156 173  
Commercial Real Estate Receivable [Member]
     
Financing Receivable, Modifications [Line Items]      
Unpaid Principal Balance 266 339  
Carrying Value 223 252  
Net Charge-Offs    4  
Financing Receivable, Modifications, Payment Default, Carrying Value 416 457  
Small Business Commercial Receivable [Member]
     
Financing Receivable, Modifications [Line Items]      
Unpaid Principal Balance 3 [1] 10 [1]  
Carrying Value 4 [1] 10 [1]  
Net Charge-Offs    [1]    [1]  
Small Business Commercial Receivable [Member] | U.S. Commercial
     
Financing Receivable, Modifications [Line Items]      
Financing Receivable, Modifications, Payment Default, Carrying Value $ 2 $ 8  
[1] U.S. small business commercial TDRs are comprised of renegotiated small business card loans.