Annual report pursuant to Section 13 and 15(d)

Business Segment Information - Narrative (Details)

v3.22.0.1
Business Segment Information - Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
businessSegment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting Information [Line Items]          
Number of operating segments | businessSegment     4    
Noninterest expense     $ 59,731 $ 55,213 $ 54,900
Global Markets          
Segment Reporting Information [Line Items]          
Noninterest expense $ 309 $ 473