Annual report pursuant to Section 13 and 15(d)

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

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Outstanding Loans and Leases - Impaired Loans Commercial Loans (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Commercial Real Estate Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance $ 1,320 $ 3,290  
Carrying Value 959 2,164  
Related Allowance 61 201  
Average Carrying Value 1,417 3,245 5,303
Interest Income Recognized 31 [1] 32 [1] 26 [1]
Small Business Commercial Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 186 [2] 361 [2]  
Carrying Value 176 [2] 317 [2]  
Related Allowance 36 [2] 97 [2]  
Average Carrying Value 236 [2] 409 [2] 666 [2]
Interest Income Recognized 6 [1],[2] 13 [1],[2] 23 [1],[2]
Commercial Portfolio Segment [Member]
      
Financing Receivable, Impaired [Line Items]      
Real Estate Acquired Through Foreclosure 90 250  
U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 2,190 3,002  
Carrying Value 1,839 2,247  
Related Allowance 164 159  
Average Carrying Value 1,995 2,692 3,196
Interest Income Recognized 53 [1] 64 [1] 20 [1]
Non-U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 264 520  
Carrying Value 74 153  
Related Allowance 16 18  
Average Carrying Value 137 181 177
Interest Income Recognized 5 [1] 4 [1] 3 [1]
Financing Receivable With Related Allowance [Member] | Commercial Real Estate Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 1,066 2,920  
Carrying Value 731 1,848  
Related Allowance 61 201  
Average Carrying Value 1,148 2,126 3,309
Interest Income Recognized 28 [1] 29 [1] 19 [1]
Financing Receivable With Related Allowance [Member] | Small Business Commercial Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 186 [2] 361 [2]  
Carrying Value 176 [2] 317 [2]  
Related Allowance 36 [2] 97 [2]  
Average Carrying Value 236 [2] 409 [2] 666 [2]
Interest Income Recognized 6 [1],[2] 13 [1],[2] 23 [1],[2]
Financing Receivable With Related Allowance [Member] | U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 1,581 2,431  
Carrying Value 1,262 1,771  
Related Allowance 164 159  
Average Carrying Value 1,553 2,104 2,422
Interest Income Recognized 47 [1] 55 [1] 13 [1]
Financing Receivable With Related Allowance [Member] | Non-U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 254 365  
Carrying Value 64 117  
Related Allowance 16 18  
Average Carrying Value 109 77 76
Interest Income Recognized 5 [1] 4 [1] 3 [1]
Financing Receivable Without Related Allowance [Member] | Commercial Real Estate Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 254 370  
Carrying Value 228 316  
Related Allowance 0 0  
Average Carrying Value 269 1,119 1,994
Interest Income Recognized 3 [1] 3 [1] 7 [1]
Financing Receivable Without Related Allowance [Member] | U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 609 571  
Carrying Value 577 476  
Related Allowance 0 0  
Average Carrying Value 442 588 774
Interest Income Recognized 6 [1] 9 [1] 7 [1]
Financing Receivable Without Related Allowance [Member] | Non-U.S. Commercial | Commercial Financing Receivable [Member]
      
Financing Receivable, Impaired [Line Items]      
Unpaid Principal Balance 10 155  
Carrying Value 10 36  
Related Allowance 0 0  
Average Carrying Value 28 104 101
Interest Income Recognized $ 0 [1] $ 0 [1] $ 0 [1]
[1] 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.
[2] Includes U.S. small business commercial renegotiated TDR loans and related allowance.