Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - Credit Quality Indicators (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of December 31, 2020 $ 927,861 $ 983,426
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of December 31, 2020 91,363  
Revolving Loans 44,337  
2020 16,226  
2019 13,477  
2018 7,490  
2017 4,845  
2016 2,557  
Prior 2,431  
Loans and lease receivable, securities based lending 44,100  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of December 31, 2020 959  
Revolving Loans 19  
2020 111  
2019 200  
2018 175  
2017 243  
2016 148  
Prior 63  
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 December 31, 2020 2,143  
Revolving Loans 20  
2020 653  
2019 559  
2018 329  
2017 301  
2016 176  
Prior 105  
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 December 31, 2020 7,431  
Revolving Loans 80  
2020 2,848  
2019 2,015  
2018 1,033  
2017 739  
2016 400  
Prior 316  
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 December 31, 2020 36,064  
Revolving Loans 120  
2020 12,540  
2019 10,588  
2018 5,869  
2017 3,495  
2016 1,781  
Prior 1,671  
Credit Card and Direct/ Indirect Consumer | Direct/indirect consumer | Other internal credit metrics    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total as of December 31, 2020 44,766  
Revolving Loans 44,098  
2020 74  
2019 115  
2018 84  
2017 67  
2016 52  
Prior 276  
Credit Card and Direct/ Indirect Consumer | Credit card    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 78,067  
Total Credit Card as of December 31, 2020 78,708  
Revolving Loans Converted to Term Loans 641  
Credit Card and Direct/ Indirect Consumer | Credit card | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 3,832  
Total Credit Card as of December 31, 2020 4,018  
Revolving Loans Converted to Term Loans 186  
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]    
Revolving Loans 9,201  
Total Credit Card as of December 31, 2020 9,419  
Revolving Loans Converted to Term Loans 218  
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]    
Revolving Loans 27,392  
Total Credit Card as of December 31, 2020 27,585  
Revolving Loans Converted to Term Loans 193  
Credit Card and Direct/ Indirect Consumer | Credit card | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 37,642  
Total Credit Card as of December 31, 2020 37,686  
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]    
Revolving Loans 0  
Total Credit Card as of December 31, 2020 0  
Revolving Loans Converted to Term Loans $ 0