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)

v3.21.2
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 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value $ 73 $ 106 $ 208 $ 251
Internal programs        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value 60 80 166 178
External programs        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value 11 19 37 59
Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Carrying Value $ 2 $ 7 $ 5 $ 14