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
Mar. 31, 2017
Mar. 31, 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   $ 49
With an allowance recorded 2   3
Total 45   52
Carrying Value      
With no recorded allowance 18   22
With an allowance recorded 2   3
Total 20   25
Related Allowance 0   0
Average Carrying Value      
With no recorded allowance 19 $ 21  
With an allowance recorded 3 18  
Total 22 39  
Interest Income Recognized      
With no recorded allowance 0 0  
With an allowance recorded 0 0  
Total 0 0  
United States | Credit Card Receivable      
Unpaid Principal Balance      
With an allowance recorded 464   479
Total 464   479
Carrying Value      
With an allowance recorded 470   485
Total 470   485
Related Allowance 130   128
Average Carrying Value      
With an allowance recorded 477 606  
Total 477 606  
Interest Income Recognized      
With an allowance recorded 6 9  
Total 6 9  
Non United States | Credit Card Receivable      
Unpaid Principal Balance      
With an allowance recorded, including loans held for sale 90   88
Total, including loans held for sale 90   88
Carrying Value      
With an allowance recorded, including loans held for sale 104   100
Total, including loans held for sale 104   100
Related allowance, including loans held for sale 65   $ 61
Average Carrying Value      
With an allowance recorded   122  
With an allowance recorded, including loans held for sale 102    
Total, including loans held for sale 102    
Total   122  
Interest Income Recognized      
With an allowance recorded   1  
With an allowance recorded, including loans held for sale 1    
Total, including loans held for sale $ 1    
Total   $ 1