Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information - Results of Business Segments and All Other (Details)

v3.20.1
Business Segment Information - Results of Business Segments and All Other (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Net interest income $ 12,274 $ 12,528  
Noninterest income 10,637 10,629  
Total revenue, net of interest expense 22,911 23,157  
Provision for credit losses 4,761 1,013  
Noninterest expense 13,475 13,224  
Income before income taxes 4,675 8,920  
Income tax expense 665 1,609  
Net income 4,010 7,311  
Year-end total assets 2,619,954 2,377,164 $ 2,434,079
Operating Segments      
Segment Reporting Information [Line Items]      
Total revenue, net of interest expense 23,890 23,788  
Net income 4,502 7,347  
Year-end total assets 2,378,652 2,198,574  
Operating Segments | Consumer Banking      
Segment Reporting Information [Line Items]      
Net interest income 6,862 7,106  
Noninterest income 2,267 2,526  
Total revenue, net of interest expense 9,129 9,632  
Provision for credit losses 2,258 974  
Noninterest expense 4,495 4,367  
Income before income taxes 2,376 4,291  
Income tax expense 582 1,051  
Net income 1,794 3,240  
Year-end total assets 837,522 794,586  
Operating Segments | Global Wealth & Investment Management      
Segment Reporting Information [Line Items]      
Net interest income 1,571 1,684  
Noninterest income 3,365 3,136  
Total revenue, net of interest expense 4,936 4,820  
Provision for credit losses 189 5  
Noninterest expense 3,600 3,434  
Income before income taxes 1,147 1,381  
Income tax expense 281 338  
Net income 866 1,043  
Year-end total assets 323,866 296,799  
Operating Segments | Global Banking      
Segment Reporting Information [Line Items]      
Net interest income 2,612 2,790  
Noninterest income 1,988 2,365  
Total revenue, net of interest expense 4,600 5,155  
Provision for credit losses 2,093 111  
Noninterest expense 2,321 2,266  
Income before income taxes 186 2,778  
Income tax expense 50 750  
Net income 136 2,028  
Year-end total assets 562,529 436,066  
Operating Segments | Global Markets      
Segment Reporting Information [Line Items]      
Net interest income 1,153 953  
Noninterest income 4,072 3,228  
Total revenue, net of interest expense 5,225 4,181  
Provision for credit losses 107 (23)  
Noninterest expense 2,813 2,755  
Income before income taxes 2,305 1,449  
Income tax expense 599 413  
Net income 1,706 1,036  
Year-end total assets 654,735 671,123  
All Other      
Segment Reporting Information [Line Items]      
Net interest income 76 (5)  
Noninterest income (1,055) (626)  
Total revenue, net of interest expense (979) (631)  
Provision for credit losses 114 (54)  
Noninterest expense 246 402  
Income before income taxes (1,339) (979)  
Income tax expense (847) (943)  
Net income (492) (36)  
Year-end total assets $ 241,302 $ 178,590