Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Credit Card and Other Consumer (Details)

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Outstanding Loans and Leases - Credit Card and Other Consumer (Details) - Credit card and other consumer - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Financing Receivable, Impaired [Line Items]          
Fixed payment plan period for loans modified     60 months    
Direct/Indirect Consumer          
Unpaid Principal Balance          
With no recorded allowance $ 43   $ 43   $ 49
With an allowance recorded 1   1   3
Total 44   44   52
Carrying Value          
With no recorded allowance 18   18   22
With an allowance recorded 2   2   3
Total 20   20   25
Related Allowance 0   0   0
Average Carrying Value          
With no recorded allowance 18 $ 21 18 $ 21  
With an allowance recorded 2 11 3 15  
Total 20 32 21 36  
Interest Income Recognized          
With no recorded allowance 0 0 0 0  
With an allowance recorded 0 0 0 0  
Total 0 0 0 0  
United States | Credit Card Receivable          
Unpaid Principal Balance          
With an allowance recorded 452   452   479
Total 452   452   479
Carrying Value          
With an allowance recorded 458   458   485
Total 458   458   485
Related Allowance 131   131   128
Average Carrying Value          
With an allowance recorded 463 568 470 587  
Total 463 568 470 587  
Interest Income Recognized          
With an allowance recorded 6 8 12 17  
Total 6 8 12 17  
Non United States | Credit Card Receivable          
Unpaid Principal Balance          
With an allowance recorded, including loans held for sale         88
Total, including loans held for sale         88
Carrying Value          
With an allowance recorded, including loans held for sale         100
Total, including loans held for sale         100
Related allowance, including loans held for sale         $ 61
Average Carrying Value          
With an allowance recorded   116   119  
With an allowance recorded, including loans held for sale 78   88    
Total, including loans held for sale 78   88    
Total   116   119  
Interest Income Recognized          
With an allowance recorded   1   2  
With an allowance recorded, including loans held for sale 0   1    
Total, including loans held for sale $ 0   $ 1    
Total   $ 1   $ 2