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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Financing Receivable, Modifications [Line Items]          
Real Estate Acquired Through Foreclosure $ 425   $ 425   $ 612
Unpaid Principal Balance 552 1,083 1,402 3,112  
Carrying Value 521 859 1,336 2,635  
Net Charge-Offs 6 77 30 189  
Commercial Financing Receivable [Member] | U.S. Commercial
          
Financing Receivable, Modifications [Line Items]          
Unpaid Principal Balance 152 417 558 1,250  
Carrying Value 143 320 534 1,087  
Net Charge-Offs    19 15 49  
Financing Receivable, Modifications, Payment Default, Carrying Value 129 145 129 145  
Commercial Financing Receivable [Member] | Non-U.S. Commercial
          
Financing Receivable, Modifications [Line Items]          
Unpaid Principal Balance 22 0 87 49  
Carrying Value 22 0 87 49  
Commercial Real Estate Receivable [Member]
          
Financing Receivable, Modifications [Line Items]          
Unpaid Principal Balance 373 652 737 1,760  
Carrying Value 350 525 695 1,444  
Net Charge-Offs 5 58 12 129  
Financing Receivable, Modifications, Payment Default, Carrying Value 390 627 390 627  
Small Business Commercial Receivable [Member]
          
Financing Receivable, Modifications [Line Items]          
Unpaid Principal Balance 5 [1] 14 [1] 20 [1] 53 [1]  
Carrying Value 6 [1] 14 [1] 20 [1] 55 [1]  
Net Charge-Offs 1 [1]    [1] 3 [1] 11 [1]  
Small Business Commercial Receivable [Member] | U.S. Commercial
          
Financing Receivable, Modifications [Line Items]          
Financing Receivable, Modifications, Payment Default, Carrying Value $ 28 $ 58 $ 28 $ 58  
[1] U.S. small business commercial TDRs are comprised of renegotiated small business card loans.