Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases - Commercial Loans TDRs (Details)

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Outstanding Loans and Leases - Commercial Loans TDRs (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Home Loans [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance $ 16,809 [1] $ 12,876 [1]
Carrying Value 13,086 [1] 10,547 [1]
Pre Modification Interest Rate 5.49% [1] 6.01% [1]
Post Modification Interest Rate 4.66% [1] 5.17% [1]
Net Charge-Offs 1,239 [1] 547 [1]
Commercial Portfolio Segment [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 1,495 3,087
Carrying Value 1,390 2,647
Net Charge-Offs 60 236
Residential Mortgage [Member] | Home Loans [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 14,929 [1] 11,623 [1]
Carrying Value 12,143 [1] 9,903 [1]
Pre Modification Interest Rate 5.52% [1] 5.94% [1]
Post Modification Interest Rate 4.70% [1] 5.16% [1]
Net Charge-Offs 507 [1] 299 [1]
Home Equity [Member] | Home Loans [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 1,721 [1] 1,112 [1]
Carrying Value 858 [1] 556 [1]
Pre Modification Interest Rate 5.22% [1] 6.58% [1]
Post Modification Interest Rate 4.39% [1] 5.25% [1]
Net Charge-Offs 716 [1] 239 [1]
Commercial Financing Receivable [Member] | U.S. Commercial | Commercial Portfolio Segment [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 590 1,381
Carrying Value 558 1,211
Net Charge-Offs 34 74
Financing Receivable, Modifications, Payment Default, Carrying Value 130 164
Commercial Financing Receivable [Member] | Non-U.S. Commercial | Commercial Portfolio Segment [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 90 44
Carrying Value 89 44
Net Charge-Offs 1  
Commercial Real Estate Receivable [Member] | Commercial Portfolio Segment [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 793 1,604
Carrying Value 721 1,333
Net Charge-Offs 20 152
Financing Receivable, Modifications, Payment Default, Carrying Value 455 446
Small Business Commercial Receivable [Member] | Commercial Portfolio Segment [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 22 [2] 58 [2]
Carrying Value 22 [2] 59 [2]
Net Charge-Offs 5 [2] 10 [2]
Small Business Commercial Receivable [Member] | U.S. Commercial | Commercial Portfolio Segment [Member]
    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Payment Default, Carrying Value 18 68
Discontinued real estate | Home Loans [Member]
    
Financing Receivable, Modifications [Line Items]    
Unpaid Principal Balance 159 [1] 141 [1]
Carrying Value 85 [1] 88 [1]
Pre Modification Interest Rate 5.21% [1] 6.68% [1]
Post Modification Interest Rate 4.35% [1] 5.08% [1]
Net Charge-Offs $ 16 [1] $ 9 [1]
[1] TDRs entered into during 2012 include principal forgiveness as follows: residential mortgage modifications of $755 million, home equity modifications of $9 million and discontinued real estate modifications of $23 million. Prior to 2012, the principal forgiveness amount was not significant.
[2] U.S. small business commercial TDRs are comprised of renegotiated small business card loans.