Quarterly report pursuant to Section 13 or 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
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses $ 16,618 $ 17,428 $ 22,441 $ 24,179
Carrying Value 905,154 [1],[2] 918,191 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 1.84% [2] 1.90% [2]    
Financing Receivable, Modifications, Recorded Investment 1,779 2,079    
Loans Receivable, Fair Value Disclosure 11,063 10,042    
Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 1,903 [3],[4] 2,087 [3],[4]    
Carrying Value 35,005 [1],[4] 36,585 [1],[4]    
Valuation Allowance As A Percentage Of Carrying Value 5.44% [4] 5.70% [4]    
Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 12,613 12,848    
Carrying Value 846,028 [1],[2] 856,341 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 1.49% [2] 1.50% [2]    
Purchased Credit-Impaired Loans [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 2,102 2,493    
Carrying Value 24,121 25,265    
Valuation Allowance As A Percentage Of Carrying Value 8.71% 9.87%    
Home Loans [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 7,556 8,518 13,438 14,933
Carrying Value 334,453 [1],[2] 341,738 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 2.26% [2] 2.49% [2]    
Home Loans [Member] | Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 1,132 [3],[4] 1,231 [3],[4]    
Carrying Value 30,230 [1],[4] 31,458 [1],[4]    
Valuation Allowance As A Percentage Of Carrying Value 3.74% [4] 3.91% [4]    
Home Loans [Member] | Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 4,322 4,794    
Carrying Value 280,102 [1],[2] 285,015 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 1.54% [2] 1.68% [2]    
Home Loans [Member] | Purchased Credit-Impaired Loans [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 2,102 2,493    
Carrying Value 24,121 25,265    
Valuation Allowance As A Percentage Of Carrying Value 8.71% 9.87%    
Credit Card and Other Consumer [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 4,775 4,905 5,874 6,140
Carrying Value 182,787 [1],[2] 188,048 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 2.61% [2] 2.61% [2]    
Credit Card and Other Consumer [Member] | Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 494 [3],[4] 579 [3],[4]    
Carrying Value 1,779 [1],[4] 2,079 [1],[4]    
Valuation Allowance As A Percentage Of Carrying Value 27.77% [4] 27.85% [4]    
Credit Card and Other Consumer [Member] | Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 4,281 4,326    
Carrying Value 181,008 [1],[2] 185,969 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 2.37% [2] 2.33% [2]    
Commercial [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 4,287 4,005 3,129 3,106
Carrying Value 387,914 [1],[2] 388,405 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 1.11% [2] 1.03% [2]    
Loans Receivable, Fair Value Disclosure 8,914 [5] 7,878 [6]    
Commercial [Member] | Impaired Loans and Troubled Debt Restructurings [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 277 [3],[4] 277 [3],[4]    
Carrying Value 2,996 [1],[4] 3,048 [1],[4]    
Valuation Allowance As A Percentage Of Carrying Value 9.25% [4] 9.09% [4]    
Commercial [Member] | Collectively Evaluated For Impairment [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Allowance for Loan and Lease Losses 4,010 3,728    
Carrying Value 384,918 [1],[2] 385,357 [1],[2]    
Valuation Allowance As A Percentage Of Carrying Value 1.04% [2] 0.97% [2]    
UNITED STATES | Small Business Commercial Loan [Member]
        
Carrying Value of Outstanding Loans and Leases [Abstract]        
Financing Receivable, Modifications, Recorded Investment $ 32 $ 36    
[1] Amounts are presented gross of the allowance for loan and lease losses.
[2] Outstanding loan and lease balances and ratios do not include loans accounted for under the fair value option of $11.1 billion and $10.0 billion at March 31, 2014 and December 31, 2013.
[3] Allowance for loan and lease losses includes $32 million and $36 million related to impaired U.S. small business commercial at March 31, 2014 and December 31, 2013.
[4] 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.
[5] Consumer loans accounted for under the fair value option were residential mortgage loans of $2.0 billion and home equity loans of $152 million. Commercial loans accounted for under the fair value option were U.S. commercial loans of $1.4 billion and non-U.S. commercial loans of $7.5 billion. For additional information, see Note 14 – Fair Value Measurements and Note 15 – Fair Value Option
[6] Consumer loans accounted for under the fair value option were residential mortgage loans of $2.0 billion and home equity loans of $147 million. Commercial loans accounted for under the fair value option were U.S. commercial loans of $1.5 billion and non-U.S. commercial loans of $6.4 billion. For additional information, see Note 14 – Fair Value Measurements and Note 15 – Fair Value Option