Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases - Credit Card and Other Consumer - TDRs Entered into During the Period, Narrative (Details)

v3.6.0.2
Outstanding Loans and Leases - Credit Card and Other Consumer - TDRs Entered into During the Period, Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2016
USD ($)
payment
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Financing Receivable, Modifications [Line Items]      
Number of consecutive missed payments | payment 2    
Credit card and other consumer      
Financing Receivable, Modifications [Line Items]      
Period for payment default after modification 12 months    
Credit card and other consumer | Credit Card Receivable | United States      
Financing Receivable, Modifications [Line Items]      
Percent expected to be in payment default within 12 months after modification 13.00%    
Trouble debt restructurings entered payment default that were modified during the preceding twelve months $ 30 $ 43 $ 56
Credit card and other consumer | Credit Card Receivable | Non United States      
Financing Receivable, Modifications [Line Items]      
Percent expected to be in payment default within 12 months after modification 90.00%    
Trouble debt restructurings entered payment default that were modified during the preceding twelve months $ 127 152 200
Credit card and other consumer | Direct/Indirect Consumer      
Financing Receivable, Modifications [Line Items]      
Percent expected to be in payment default within 12 months after modification 14.00%    
Trouble debt restructurings entered payment default that were modified during the preceding twelve months $ 2 $ 3 $ 5