Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Impaired Loans Commercial Loans (Details)

v2.4.0.6
Outstanding Loans and Leases - Impaired Loans Commercial Loans (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, Impaired [Line Items]      
Real Estate Acquired Through Foreclosure $ 206   $ 250
Commercial Real Estate Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 2,367   3,290
Carrying Value 1,777   2,164
Related Allowance 152   201
Average Carrying Value 1,968 4,229  
Interest Income Recognized 9 [1] 10 [1]  
Small Business Commercial Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 290 [2]   361 [2]
Carrying Value 277 [2]   317 [2]
Related Allowance 80 [2]   97 [2]
Average Carrying Value 288 [2] 472 [2]  
Interest Income Recognized 2 [1],[2] 4 [1],[2]  
U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 2,688   3,002
Carrying Value 2,111   2,247
Related Allowance 158   159
Average Carrying Value 2,173 2,955  
Interest Income Recognized 14 [1] 19 [1]  
Non-U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 388   520
Carrying Value 194   153
Related Allowance 18   18
Average Carrying Value 154 159  
Interest Income Recognized 3 [1]    
Class of Financing Receivable [Member] | Commercial Real Estate Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 833   1,003
Carrying Value 760   902
Average Carrying Value 831 1,973  
Interest Income Recognized 4 [1] 4 [1]  
Class of Financing Receivable [Member] | U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 1,080   1,220
Carrying Value 1,004   1,109
Average Carrying Value 1,057 1,035  
Interest Income Recognized 6 [1] 8 [1]  
Class of Financing Receivable [Member] | Non-U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 136   240
Carrying Value 136   120
Average Carrying Value 128 114  
Interest Income Recognized 2 [1]    
Class of Financing Receivable [Member] | Commercial Real Estate Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 1,534   2,287
Carrying Value 1,017   1,262
Related Allowance 152   201
Average Carrying Value 1,137 2,256  
Interest Income Recognized 5 [1] 6 [1]  
Class of Financing Receivable [Member] | Small Business Commercial Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 290 [2]   361 [2]
Carrying Value 277 [2]   317 [2]
Related Allowance 80 [2]   97 [2]
Average Carrying Value 288 [2] 472 [2]  
Interest Income Recognized 2 [1],[2] 4 [1],[2]  
Class of Financing Receivable [Member] | U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 1,608   1,782
Carrying Value 1,107   1,138
Related Allowance 158   159
Average Carrying Value 1,116 1,920  
Interest Income Recognized 8 [1] 11 [1]  
Class of Financing Receivable [Member] | Non-U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 252   280
Carrying Value 58   33
Related Allowance 18   18
Average Carrying Value 26 45  
Interest Income Recognized $ 1 [1]    
[1] Includes U.S. small business commercial renegotiated TDR loans and related allowance.
[2] Interest income recognized includes interest accrued and collected on the outstanding balances of accruing impaired loans as well as interest cash collections on nonaccruing impaired loans for which the principal is considered collectible.