Annual report pursuant to Section 13 and 15(d)

Business Segment Information - Noninterest Income by Business Segment and All Other (Details)

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Business Segment Information - Noninterest Income by Business Segment and All Other (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]      
Total fees and commissions $ 33,015 $ 33,078 $ 33,341
Market making and similar activities 9,034 9,008 7,102
Other income 304 772 1,444
Total noninterest income 42,353 42,858 41,887
Card income      
Segment Reporting Information [Line Items]      
Card income and service charges 5,797 5,824 5,676
Interchange fees      
Segment Reporting Information [Line Items]      
Card income and service charges 3,834 3,866 3,777
Other card income      
Segment Reporting Information [Line Items]      
Card income and service charges 1,963 1,958 1,899
Service charges      
Segment Reporting Information [Line Items]      
Card income and service charges 7,674 7,767 7,818
Deposit-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 6,588 6,667 6,708
Lending-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 1,086 1,100 1,110
Investment and brokerage services      
Segment Reporting Information [Line Items]      
Investment and brokerage services 13,902 14,160 13,836
Asset management fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 10,241 10,189 9,310
Brokerage fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 3,661 3,971 4,526
Total investment banking fees      
Segment Reporting Information [Line Items]      
Investment banking fees 5,642 5,327 6,011
Underwriting income      
Segment Reporting Information [Line Items]      
Investment banking fees 2,998 2,722 2,821
Syndication fees      
Segment Reporting Information [Line Items]      
Investment banking fees 1,184 1,347 1,499
Financial advisory services      
Segment Reporting Information [Line Items]      
Investment banking fees 1,460 1,258 1,691
Operating Segments | Consumer Banking      
Segment Reporting Information [Line Items]      
Total fees and commissions 9,596 9,720 9,467
Market making and similar activities 6 8 3
Other income 827 865 631
Total noninterest income 10,429 10,593 10,101
Operating Segments | Consumer Banking | Card income      
Segment Reporting Information [Line Items]      
Card income and service charges 5,084 5,102 4,884
Operating Segments | Consumer Banking | Interchange fees      
Segment Reporting Information [Line Items]      
Card income and service charges 3,174 3,196 3,038
Operating Segments | Consumer Banking | Other card income      
Segment Reporting Information [Line Items]      
Card income and service charges 1,910 1,906 1,846
Operating Segments | Consumer Banking | Service charges      
Segment Reporting Information [Line Items]      
Card income and service charges 4,219 4,300 4,266
Operating Segments | Consumer Banking | Deposit-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 4,219 4,300 4,266
Operating Segments | Consumer Banking | Lending-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 0 0 0
Operating Segments | Consumer Banking | Investment and brokerage services      
Segment Reporting Information [Line Items]      
Investment and brokerage services 293 319 317
Operating Segments | Consumer Banking | Asset management fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 144 147 133
Operating Segments | Consumer Banking | Brokerage fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 149 172 184
Operating Segments | Consumer Banking | Total investment banking fees      
Segment Reporting Information [Line Items]      
Investment banking fees 0 (1) 0
Operating Segments | Consumer Banking | Underwriting income      
Segment Reporting Information [Line Items]      
Investment banking fees 0 (1) 0
Operating Segments | Consumer Banking | Syndication fees      
Segment Reporting Information [Line Items]      
Investment banking fees 0 0 0
Operating Segments | Consumer Banking | Financial advisory services      
Segment Reporting Information [Line Items]      
Investment banking fees 0 0 0
Operating Segments | Global Wealth & Investment Management      
Segment Reporting Information [Line Items]      
Total fees and commissions 12,440 12,496 11,942
Market making and similar activities 113 112 144
Other income 480 580 361
Total noninterest income 13,033 13,188 12,447
Operating Segments | Global Wealth & Investment Management | Card income      
Segment Reporting Information [Line Items]      
Card income and service charges 101 127 153
Operating Segments | Global Wealth & Investment Management | Interchange fees      
Segment Reporting Information [Line Items]      
Card income and service charges 60 81 109
Operating Segments | Global Wealth & Investment Management | Other card income      
Segment Reporting Information [Line Items]      
Card income and service charges 41 46 44
Operating Segments | Global Wealth & Investment Management | Service charges      
Segment Reporting Information [Line Items]      
Card income and service charges 68 73 77
Operating Segments | Global Wealth & Investment Management | Deposit-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 68 73 77
Operating Segments | Global Wealth & Investment Management | Lending-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 0 0 0
Operating Segments | Global Wealth & Investment Management | Investment and brokerage services      
Segment Reporting Information [Line Items]      
Investment and brokerage services 11,870 11,959 11,394
Operating Segments | Global Wealth & Investment Management | Asset management fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 10,130 10,042 9,177
Operating Segments | Global Wealth & Investment Management | Brokerage fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 1,740 1,917 2,217
Operating Segments | Global Wealth & Investment Management | Total investment banking fees      
Segment Reporting Information [Line Items]      
Investment banking fees 401 337 318
Operating Segments | Global Wealth & Investment Management | Underwriting income      
Segment Reporting Information [Line Items]      
Investment banking fees 401 335 316
Operating Segments | Global Wealth & Investment Management | Syndication fees      
Segment Reporting Information [Line Items]      
Investment banking fees 0 0 0
Operating Segments | Global Wealth & Investment Management | Financial advisory services      
Segment Reporting Information [Line Items]      
Investment banking fees 0 2 2
Operating Segments | Global Banking      
Segment Reporting Information [Line Items]      
Total fees and commissions 6,718 6,523 7,183
Market making and similar activities 235 260 134
Other income 2,855 2,225 2,193
Total noninterest income 9,808 9,008 9,510
Operating Segments | Global Banking | Card income      
Segment Reporting Information [Line Items]      
Card income and service charges 532 511 490
Operating Segments | Global Banking | Interchange fees      
Segment Reporting Information [Line Items]      
Card income and service charges 519 503 478
Operating Segments | Global Banking | Other card income      
Segment Reporting Information [Line Items]      
Card income and service charges 13 8 12
Operating Segments | Global Banking | Service charges      
Segment Reporting Information [Line Items]      
Card income and service charges 3,015 3,027 3,125
Operating Segments | Global Banking | Deposit-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 2,121 2,111 2,197
Operating Segments | Global Banking | Lending-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 894 916 928
Operating Segments | Global Banking | Investment and brokerage services      
Segment Reporting Information [Line Items]      
Investment and brokerage services 34 94 97
Operating Segments | Global Banking | Asset management fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 0 0 0
Operating Segments | Global Banking | Brokerage fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 34 94 97
Operating Segments | Global Banking | Total investment banking fees      
Segment Reporting Information [Line Items]      
Investment banking fees 3,137 2,891 3,471
Operating Segments | Global Banking | Underwriting income      
Segment Reporting Information [Line Items]      
Investment banking fees 1,227 1,090 1,172
Operating Segments | Global Banking | Syndication fees      
Segment Reporting Information [Line Items]      
Investment banking fees 574 648 742
Operating Segments | Global Banking | Financial advisory services      
Segment Reporting Information [Line Items]      
Investment banking fees 1,336 1,153 1,557
Operating Segments | Global Markets      
Segment Reporting Information [Line Items]      
Total fees and commissions 4,454 4,505 4,939
Market making and similar activities 7,065 7,260 6,203
Other income 180 561 556
Total noninterest income 11,699 12,326 11,698
Operating Segments | Global Markets | Card income      
Segment Reporting Information [Line Items]      
Card income and service charges 80 84 84
Operating Segments | Global Markets | Interchange fees      
Segment Reporting Information [Line Items]      
Card income and service charges 81 86 86
Operating Segments | Global Markets | Other card income      
Segment Reporting Information [Line Items]      
Card income and service charges (1) (2) (2)
Operating Segments | Global Markets | Service charges      
Segment Reporting Information [Line Items]      
Card income and service charges 348 345 329
Operating Segments | Global Markets | Deposit-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 156 161 147
Operating Segments | Global Markets | Lending-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 192 184 182
Operating Segments | Global Markets | Investment and brokerage services      
Segment Reporting Information [Line Items]      
Investment and brokerage services 1,738 1,780 2,049
Operating Segments | Global Markets | Asset management fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 0 0 0
Operating Segments | Global Markets | Brokerage fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 1,738 1,780 2,049
Operating Segments | Global Markets | Total investment banking fees      
Segment Reporting Information [Line Items]      
Investment banking fees 2,288 2,296 2,477
Operating Segments | Global Markets | Underwriting income      
Segment Reporting Information [Line Items]      
Investment banking fees 1,555 1,495 1,588
Operating Segments | Global Markets | Syndication fees      
Segment Reporting Information [Line Items]      
Investment banking fees 610 698 756
Operating Segments | Global Markets | Financial advisory services      
Segment Reporting Information [Line Items]      
Investment banking fees 123 103 133
All Other      
Segment Reporting Information [Line Items]      
Total fees and commissions (193) (166) (190)
Market making and similar activities 1,615 1,368 618
Other income (4,038) (3,459) (2,297)
Total noninterest income (2,616) (2,257) (1,869)
All Other | Card income      
Segment Reporting Information [Line Items]      
Card income and service charges 0 0 65
All Other | Interchange fees      
Segment Reporting Information [Line Items]      
Card income and service charges 0 0 66
All Other | Other card income      
Segment Reporting Information [Line Items]      
Card income and service charges 0 0 (1)
All Other | Service charges      
Segment Reporting Information [Line Items]      
Card income and service charges 24 22 21
All Other | Deposit-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 24 22 21
All Other | Lending-related fees      
Segment Reporting Information [Line Items]      
Card income and service charges 0 0 0
All Other | Investment and brokerage services      
Segment Reporting Information [Line Items]      
Investment and brokerage services (33) 8 (21)
All Other | Asset management fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services (33) 0 0
All Other | Brokerage fees      
Segment Reporting Information [Line Items]      
Investment and brokerage services 0 8 (21)
All Other | Total investment banking fees      
Segment Reporting Information [Line Items]      
Investment banking fees (184) (196) (255)
All Other | Underwriting income      
Segment Reporting Information [Line Items]      
Investment banking fees (185) (197) (255)
All Other | Syndication fees      
Segment Reporting Information [Line Items]      
Investment banking fees 0 1 1
All Other | Financial advisory services      
Segment Reporting Information [Line Items]      
Investment banking fees $ 1 $ 0 $ (1)