Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - TDRs Modified by Program Type (Details) - Credit card and other consumer - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value $ 69 $ 113 $ 164 $ 210
Internal Programs        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value 43 71 109 136
External Programs        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value 18 31 43 59
Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value $ 8 $ 11 $ 12 $ 15