Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Credit Card and Other Consumer - TDRs by Program Type (Details)

v3.8.0.1
Outstanding Loans and Leases - Credit Card and Other Consumer - TDRs by Program Type (Details) - Credit card and other consumer - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 485 $ 610
Percent of balances current or less than 30 days past due 88.34% 80.79%
Internal Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 202 $ 233
External Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 257 272
Other    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 26 105
Credit Card Receivable | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 458 $ 485
Percent of balances current or less than 30 days past due 88.30% 88.99%
Credit Card Receivable | Non United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs   $ 100
Percent of balances current or less than 30 days past due   38.47%
Credit Card Receivable | Internal Programs | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 201 $ 220
Credit Card Receivable | Internal Programs | Non United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs   11
Credit Card Receivable | External Programs | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 256 264
Credit Card Receivable | External Programs | Non United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs   7
Credit Card Receivable | Other | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 1 1
Credit Card Receivable | Other | Non United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs   82
Direct/Indirect Consumer    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 27 $ 25
Percent of balances current or less than 30 days past due 89.05% 90.49%
Direct/Indirect Consumer | Internal Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 1 $ 2
Direct/Indirect Consumer | External Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 1 1
Direct/Indirect Consumer | Other    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 25 $ 22