Annual report pursuant to Section 13 and 15(d)

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

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Outstanding Loans and Leases - Credit Card and Other Consumer - Impaired Loans (Details) - Credit card and other consumer - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
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 $ 72 $ 58  
With an allowance recorded 0 1  
Total 72 59  
Carrying Value      
With no recorded allowance 33 28  
With an allowance recorded 0 1  
Total 33 29  
Related Allowance 0 0  
Average Carrying Value      
With no recorded allowance 30 21 $ 20
With an allowance recorded 1 2 10
Total, including loans held for sale   23 30
Total 31    
United States | Credit Card Receivable      
Unpaid Principal Balance      
With an allowance recorded 522 454  
Total 522 454  
Carrying Value      
With an allowance recorded 533 461  
Total 533 461  
Related Allowance 154 125  
Average Carrying Value      
With an allowance recorded 491 464 556
Total, including loans held for sale   464 556
Total $ 491    
Non United States | Credit Card Receivable      
Average Carrying Value      
With an allowance recorded   47 111
Total, including loans held for sale   $ 47 $ 111