Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Home Loan TDRs (Details)

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Outstanding Loans and Leases - Home Loan TDRs (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Home Loans [Member]
    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructurings Unpaid Principal Balance $ 5,704 [1] $ 1,774 [1]
Carrying Value 4,997 [1] 1,492 [1]
Troubled Debt Restructurings Pre Modification Interest Rate 5.47% [1] 5.66% [1]
Troubled Debt Restructuring Post Modification Interest Rate 4.65% [1] 4.64% [1]
Troubled Debt Restructuring Net Charge Offs 103 [1] 99 [1]
Troubled Debt Restructurings Modifications Entering Default 1,392 587
Loan Restructuring, Trial Modifications 555 130
Home Loans [Member] | Government Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 697 97
Troubled Debt Restructurings Modifications Entering Default 93 77
Home Loans [Member] | Government Modifications [Member] | Contractual Interest Rate Reduction [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 638 70
Home Loans [Member] | Government Modifications [Member] | Principal and/or Interest Forbearance [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 13 11
Home Loans [Member] | Government Modifications [Member] | Other Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 46 [2] 16 [2]
Home Loans [Member] | Proprietary Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 1,489 559
Troubled Debt Restructurings Modifications Entering Default 285 380
Home Loans [Member] | Proprietary Modifications [Member] | Contractual Interest Rate Reduction [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 1,350 392
Home Loans [Member] | Proprietary Modifications [Member] | Capitlization Of Past Due Amounts [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 27 12
Home Loans [Member] | Proprietary Modifications [Member] | Principal and/or Interest Forbearance [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 84 100
Home Loans [Member] | Proprietary Modifications [Member] | Other Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 28 [2] 55 [2]
Home Loans [Member] | Loans Discharged in Chapter Seven Bankruptcy [Member]
    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructurings Modifications Entering Default 459 [3]  
Home Loans [Member] | Trial Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Loan Restructuring, Trial Modifications 2,134 836
Home Loans [Member] | Residential Mortgage [Member]
    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructurings Unpaid Principal Balance 5,439 [1] 1,578 [1]
Carrying Value 4,843 [1] 1,382 [1]
Troubled Debt Restructurings Pre Modification Interest Rate 5.45% [1] 5.69% [1]
Troubled Debt Restructuring Post Modification Interest Rate 4.65% [1] 4.73% [1]
Troubled Debt Restructuring Net Charge Offs 39 [1] 56 [1]
Troubled Debt Restructurings Modifications Entering Default 1,365 576
Loan Restructuring, Trial Modifications 552 125
Troubled Debt Restructuring Modifications, Principal Forgiveness 219  
Home Loans [Member] | Residential Mortgage [Member] | Government Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 676 56
Troubled Debt Restructurings Modifications Entering Default 91 75
Home Loans [Member] | Residential Mortgage [Member] | Government Modifications [Member] | Contractual Interest Rate Reduction [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 626 39
Home Loans [Member] | Residential Mortgage [Member] | Government Modifications [Member] | Principal and/or Interest Forbearance [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 4 1
Home Loans [Member] | Residential Mortgage [Member] | Government Modifications [Member] | Other Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 46 [2] 16 [2]
Home Loans [Member] | Residential Mortgage [Member] | Proprietary Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 1,462 534
Troubled Debt Restructurings Modifications Entering Default 282 376
Home Loans [Member] | Residential Mortgage [Member] | Proprietary Modifications [Member] | Contractual Interest Rate Reduction [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 1,326 376
Home Loans [Member] | Residential Mortgage [Member] | Proprietary Modifications [Member] | Capitlization Of Past Due Amounts [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 27 12
Home Loans [Member] | Residential Mortgage [Member] | Proprietary Modifications [Member] | Principal and/or Interest Forbearance [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 81 93
Home Loans [Member] | Residential Mortgage [Member] | Proprietary Modifications [Member] | Other Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 28 [2] 53 [2]
Home Loans [Member] | Residential Mortgage [Member] | Loans Discharged in Chapter Seven Bankruptcy [Member]
    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructurings Modifications Entering Default 440 [3]  
Home Loans [Member] | Residential Mortgage [Member] | Trial Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Loan Restructuring, Trial Modifications 2,103 792
Home Loans [Member] | Home Equity [Member]
    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructurings Unpaid Principal Balance 265 [1] 196 [1]
Carrying Value 154 [1] 110 [1]
Troubled Debt Restructurings Pre Modification Interest Rate 5.90% [1] 5.39% [1]
Troubled Debt Restructuring Post Modification Interest Rate 4.58% [1] 3.90% [1]
Troubled Debt Restructuring Net Charge Offs 64 [1] 43 [1]
Troubled Debt Restructurings Modifications Entering Default 27 11
Loan Restructuring, Trial Modifications 3 5
Home Loans [Member] | Home Equity [Member] | Government Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 21 41
Troubled Debt Restructurings Modifications Entering Default 2 2
Home Loans [Member] | Home Equity [Member] | Government Modifications [Member] | Contractual Interest Rate Reduction [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 12 31
Home Loans [Member] | Home Equity [Member] | Government Modifications [Member] | Principal and/or Interest Forbearance [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 9 10
Home Loans [Member] | Home Equity [Member] | Proprietary Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 27 25
Troubled Debt Restructurings Modifications Entering Default 3 4
Home Loans [Member] | Home Equity [Member] | Proprietary Modifications [Member] | Contractual Interest Rate Reduction [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 24 16
Home Loans [Member] | Home Equity [Member] | Proprietary Modifications [Member] | Principal and/or Interest Forbearance [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 3 7
Home Loans [Member] | Home Equity [Member] | Proprietary Modifications [Member] | Other Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 0 [2] 2 [2]
Home Loans [Member] | Home Equity [Member] | Loans Discharged in Chapter Seven Bankruptcy [Member]
    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructurings Modifications Entering Default 19 [3]  
Home Loans [Member] | Home Equity [Member] | Trial Modifications [Member]
    
Financing Receivable, Modifications [Line Items]    
Loan Restructuring, Trial Modifications 31 44
Loans Discharged in Chapter Seven Bankruptcy [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 4,100  
Loans Discharged in Chapter Seven Bankruptcy [Member] | Home Loans [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 677 [4]  
Loans Discharged in Chapter Seven Bankruptcy [Member] | Home Loans [Member] | Residential Mortgage [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 602 [4]  
Loans Discharged in Chapter Seven Bankruptcy [Member] | Home Loans [Member] | Home Equity [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 75 [4]  
Current or Less Than Sixty Days Past Due [Member] | Loans Discharged in Chapter Seven Bankruptcy [Member] | Home Loans [Member] | Residential Mortgage [Member]
    
Financing Receivable, Modifications [Line Items]    
Carrying Value $ 371  
Loans Discharged in Chapter Seven Bankruptcy, Percent 55.00%  
[1] TDRs entered into during the three months ended March 31, 2013 include residential mortgage modifications with principal forgiveness of $219 million. For the three months ended March 31, 2012, the principal forgiveness amount was not significant.
[2] Includes other modifications such as term or payment extensions and repayment plans.
[3] Includes loans discharged in Chapter 7 bankruptcy with no change in repayment terms that are classified as TDRs in accordance with regulatory guidance issued in the third quarter of 2012.
[4] Includes loans discharged in Chapter 7 bankruptcy with no change in repayment terms that are classified as TDRs in accordance with regulatory guidance issued in the third quarter of 2012. For the three months ended March 31, 2013, residential mortgage loans of $371 million, or 55 percent of loans discharged in Chapter 7 bankruptcy were current or less than 60 days past due.