Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - Credit Quality Indicators (Details)

v3.20.2
Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - Credit Quality Indicators (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 $ 955,172 $ 983,426
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 89,914  
2020 12,489  
2019 14,961  
2018 8,595  
2017 5,812  
2016 3,099  
Prior 2,803  
Revolving Loans 42,155  
Loans and lease receivable, securities based lending 41,900  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 1,041  
2020 81  
2019 204  
2018 194  
2017 279  
2016 181  
Prior 82  
Revolving Loans 20  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Greater than or equal to 620 and less than 680    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 2,227  
2020 498  
2019 628  
2018 379  
2017 357  
2016 213  
Prior 129  
Revolving Loans 23  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Greater than or equal to 680 and less than 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 7,483  
2020 2,171  
2019 2,280  
2018 1,188  
2017 894  
2016 489  
Prior 377  
Revolving Loans 84  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 36,620  
2020 9,693  
2019 11,729  
2018 6,723  
2017 4,207  
2016 2,164  
Prior 1,979  
Revolving Loans 125  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Other internal credit metrics    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of September 30, 2020 42,543  
2020 46  
2019 120  
2018 111  
2017 75  
2016 52  
Prior 236  
Revolving Loans 41,903  
Credit Card and Direct/ Indirect Consumer | Credit Card    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total Credit Card 79,834  
Revolving Loans 79,197  
Revolving Loans Converted to Term Loans 637  
Credit Card and Direct/ Indirect Consumer | Credit Card | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total Credit Card 3,878  
Revolving Loans 3,686  
Revolving Loans Converted to Term Loans 192  
Credit Card and Direct/ Indirect Consumer | Credit Card | Greater than or equal to 620 and less than 680    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total Credit Card 9,788  
Revolving Loans 9,572  
Revolving Loans Converted to Term Loans 216  
Credit Card and Direct/ Indirect Consumer | Credit Card | Greater than or equal to 680 and less than 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total Credit Card 28,496  
Revolving Loans 28,311  
Revolving Loans Converted to Term Loans 185  
Credit Card and Direct/ Indirect Consumer | Credit Card | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total Credit Card 37,672  
Revolving Loans 37,628  
Revolving Loans Converted to Term Loans 44  
Credit Card and Direct/ Indirect Consumer | Credit Card | Other internal credit metrics    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total Credit Card 0  
Revolving Loans 0  
Revolving Loans Converted to Term Loans $ 0