Annual report pursuant to Section 13 and 15(d)

Allowance and Carrying Value of Outstanding Loans and Leases by Portfolio Segment (Details)

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Allowance and Carrying Value of Outstanding Loans and Leases by Portfolio Segment (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses $ 24,179 $ 33,783 $ 41,885 $ 47,988
Carrying value 898,817 [1],[2] 917,396 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 2.69% [1] 3.68% [1]    
Loans Receivable, Fair Value Disclosure 9,002 8,804    
Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 3,157 [3],[4] 4,901 [3],[4]    
Carrying value 39,012 [2],[3] 36,675 [2],[3]    
Valuation Allowance As A Percentage Of Carrying Value 8.09% [3] 13.36% [3]    
Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 15,486 20,423    
Carrying value 833,687 [1],[2] 848,920 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 1.86% [1] 2.41% [1]    
Purchased Credit-Impaired Loans [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 5,536 8,459 6,400  
Carrying value 26,118 31,801    
Valuation Allowance As A Percentage Of Carrying Value 21.20% 26.60%    
Home Loans [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 14,933 21,079 19,252 16,329
Carrying value 361,069 [1],[2] 398,084 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 4.14% [1] 5.30% [1]    
Home Loans [Member] | Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 1,700 [3],[4] 1,946 [3],[4]    
Carrying value 30,250 [2],[3] 21,462 [2],[3]    
Valuation Allowance As A Percentage Of Carrying Value 5.62% [3] 9.07% [3]    
Home Loans [Member] | Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 7,697 10,674    
Carrying value 304,701 [1],[2] 344,821 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 2.53% [1] 3.10% [1]    
Home Loans [Member] | Purchased Credit-Impaired Loans [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 5,536 8,459    
Carrying value 26,118 31,801    
Valuation Allowance As A Percentage Of Carrying Value 21.20% 26.60%    
Consumer Portfolio Segment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 6,140 8,569 15,463 22,243
Carrying value 191,365 [1],[2] 209,110 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 3.21% [1] 4.10% [1]    
Consumer Portfolio Segment [Member] | Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 1,127 [3],[4] 2,410 [3],[4]    
Carrying value 3,881 [2],[3] 7,100 [2],[3]    
Valuation Allowance As A Percentage Of Carrying Value 29.04% [3] 33.94% [3]    
Consumer Portfolio Segment [Member] | Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 5,013 6,159    
Carrying value 187,484 [1],[2] 202,010 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 2.67% [1] 3.05% [1]    
Commercial [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 3,106 4,135 7,170 9,416
Carrying value 346,383 [1],[2] 310,202 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 0.90% [1] 1.33% [1]    
Loans Receivable, Fair Value Disclosure 7,997 [5] 6,614 [6]    
Commercial [Member] | Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 330 [3],[4] 545 [3],[4]    
Carrying value 4,881 [2],[3] 8,113 [2],[3]    
Valuation Allowance As A Percentage Of Carrying Value 6.76% [3] 6.71% [3]    
Commercial [Member] | Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 2,776 3,590    
Carrying value 341,502 [1],[2] 302,089 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 0.81% [1] 1.19% [1]    
Small Business Commercial Loan [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Financing Receivable, Modifications, Recorded Investment $ 97 $ 172    
[1] Outstanding loan and lease balances and ratios do not include loans accounted for under the fair value option of $9.0 billion and $8.8 billion at December 31, 2012 and 2011.
[2] Amounts are presented gross of the allowance for loan and lease losses.
[3] Impaired loans include nonperforming commercial loans and all TDRs, including both commercial and consumer TDRs. Impaired loans exclude nonperforming consumer loans unless they are TDRs, and all consumer and commercial loans accounted for under the fair value option.
[4] Commercial impaired allowance for loan and lease losses includes $97 million and $172 million of renegotiated TDR loans related to U.S. small business commercial at December 31, 2012 and 2011.
[5] Consumer loans accounted for under the fair value option were residential mortgage loans of $147 million and discontinued real estate loans of $858 million. Commercial loans accounted for under the fair value option were U.S. commercial loans of $2.3 billion and non-U.S. commercial loans of $5.7 billion. For additional information, see Note 21 – Fair Value Measurements and Note 22 – Fair Value Option.
[6] Consumer loans accounted for under the fair value option were residential mortgage loans of $906 million and discontinued real estate loans of $1.3 billion. Commercial loans accounted for under the fair value option were U.S. commercial loans of $2.2 billion and non-U.S. commercial loans of $4.4 billion. For additional information, see Note 21 – Fair Value Measurements and Note 22 – Fair Value Option.