Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Outstanding Loans and Leases - Credit Card and Other Consumer - TDRs by Program Type (Details) - Credit card and other consumer - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 541 $ 490
Percent of balances current or less than 30 days past due 86.00% 87.00%
Internal Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 242 $ 204
External Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 269 257
Other    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 30 29
Credit Card Receivable | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 512 $ 461
Percent of balances current or less than 30 days past due 86.00% 87.00%
Credit Card Receivable | Internal Programs | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 242 $ 203
Credit Card Receivable | External Programs | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 269 257
Credit Card Receivable | Other | United States    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 1 1
Direct/Indirect Consumer    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 29 $ 29
Percent of balances current or less than 30 days past due 90.00% 88.00%
Direct/Indirect Consumer | Internal Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 0 $ 1
Direct/Indirect Consumer | External Programs    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs 0 0
Direct/Indirect Consumer | Other    
Financing Receivable, Modifications [Line Items]    
Renegotiated TDRs $ 29 $ 28