Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Credit Card and Other Consumer - Renegotiated TDRs Entered into During the Period by Program Type (Details)

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Outstanding Loans and Leases - Credit Card and Other Consumer - Renegotiated TDRs Entered into During the Period by Program Type (Details) - Credit card and other consumer - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Financing Receivable, Modifications [Line Items]        
Carrying Value $ 107 $ 147 $ 278 $ 378
Internal Programs        
Financing Receivable, Modifications [Line Items]        
Carrying Value 42 61 122 177
External Programs        
Financing Receivable, Modifications [Line Items]        
Carrying Value 25 33 69 90
Other        
Financing Receivable, Modifications [Line Items]        
Carrying Value 40 53 87 111
Credit Card Receivable | United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 65 88 $ 184 244
Percent expected to be in payment default within 12 months after modification     14.00%  
Trouble debt restructurings entered payment default that were modified during the preceding twelve months 11 15 $ 33 40
Credit Card Receivable | Non United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 38 51 $ 84 109
Percent expected to be in payment default within 12 months after modification     86.00%  
Trouble debt restructurings entered payment default that were modified during the preceding twelve months 37 47 $ 117 157
Credit Card Receivable | Internal Programs | United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 41 57 118 161
Credit Card Receivable | Internal Programs | Non United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 1 2 3 5
Credit Card Receivable | External Programs | United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 24 31 66 83
Credit Card Receivable | External Programs | Non United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 1 2 3 5
Credit Card Receivable | Other | United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 0 0 0 0
Credit Card Receivable | Other | Non United States        
Financing Receivable, Modifications [Line Items]        
Carrying Value 36 47 78 99
Direct/Indirect Consumer        
Financing Receivable, Modifications [Line Items]        
Carrying Value 4 7 $ 10 19
Percent expected to be in payment default within 12 months after modification     12.00%  
Trouble debt restructurings entered payment default that were modified during the preceding twelve months 1 1 $ 3 4
Direct/Indirect Consumer | Internal Programs        
Financing Receivable, Modifications [Line Items]        
Carrying Value 0 1 1 5
Direct/Indirect Consumer | External Programs        
Financing Receivable, Modifications [Line Items]        
Carrying Value 0 0 0 2
Direct/Indirect Consumer | Other        
Financing Receivable, Modifications [Line Items]        
Carrying Value $ 4 6 $ 9 12
Other consumer        
Financing Receivable, Modifications [Line Items]        
Carrying Value   1   6
Other consumer | Internal Programs        
Financing Receivable, Modifications [Line Items]        
Carrying Value   1   6
Other consumer | External Programs        
Financing Receivable, Modifications [Line Items]        
Carrying Value   0   0
Other consumer | Other        
Financing Receivable, Modifications [Line Items]        
Carrying Value   $ 0   $ 0