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 (Details)

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Outstanding Loans and Leases - Credit Card and Other Consumer - Renegotiated TDRs Entered into During the Period (Details) (Consumer Portfolio Segment, USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Financing Receivable, Modifications [Line Items]        
Pre-Modification Interest Rate 18.98% 19.65% 18.56% 19.51%
Unpaid Principal Balance $ 135 $ 179 $ 348 $ 420
Carrying Value 147 [1] 180 [1] 378 [1] 419 [1]
Post-Modification Interest Rate 3.50% 3.85% 3.82% 4.13%
Net Charge-offs 52 67 87 106
Direct/Indirect Consumer
        
Financing Receivable, Modifications [Line Items]        
Pre-Modification Interest Rate 7.34% 10.89% 8.64% 11.17%
Unpaid Principal Balance 11 16 26 41
Carrying Value 7 [1] 12 [1] 19 [1] 31 [1]
Post-Modification Interest Rate 4.76% 4.68% 4.71% 4.90%
Net Charge-offs 4 5 11 12
Other consumer
        
Financing Receivable, Modifications [Line Items]        
Pre-Modification Interest Rate 8.96% 9.10% 9.10% 9.35%
Unpaid Principal Balance 1 2 6 4
Carrying Value 1 [1] 2 [1] 6 [1] 5 [1]
Post-Modification Interest Rate 4.82% 6.01% 5.21% 5.40%
Net Charge-offs    0    0
United States | Credit Card Receivable
        
Financing Receivable, Modifications [Line Items]        
Pre-Modification Interest Rate 16.59% 16.86% 16.66% 16.88%
Unpaid Principal Balance 80 100 223 237
Carrying Value 88 [1] 102 [1] 244 [1] 240 [1]
Post-Modification Interest Rate 5.13% 5.70% 5.15% 5.96%
Net Charge-offs 12 9 23 16
Non United States | Credit Card Receivable
        
Financing Receivable, Modifications [Line Items]        
Pre-Modification Interest Rate 25.09% 26.09% 25.11% 26.04%
Unpaid Principal Balance 43 61 93 138
Carrying Value 51 [1] 64 [1] 109 [1] 143 [1]
Post-Modification Interest Rate 0.43% 0.67% 0.58% 0.87%
Net Charge-offs $ 36 $ 53 $ 53 $ 78
[1] Includes accrued interest and fees.