v3.26.1
COMMISSIONS AND FEES; ADMINISTRATION AND OTHER FIDUCIARY FEES - Commissions and Fees Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Commissions and fees    
Total commissions and fees $ 3,272 $ 2,707
Investment Banking    
Commissions and fees    
Total commissions and fees 1,238 1,036
Brokerage Commissions    
Commissions and fees    
Total commissions and fees 886 704
Revenue recognized 58 114
Interchange fees    
Commissions and fees    
Total commissions and fees 3,015 2,837
Card-related loan fees    
Commissions and fees    
Total commissions and fees 207 163
Card rewards and partner payments    
Commissions and fees    
Total commissions and fees (3,237) (3,135)
Deposit-related fees    
Commissions and fees    
Total commissions and fees 346 328
Transactional service fees    
Commissions and fees    
Total commissions and fees 398 353
Corporate finance    
Commissions and fees    
Total commissions and fees 151 172
Insurance distribution revenue    
Commissions and fees    
Total commissions and fees 94 82
Insurance premiums    
Commissions and fees    
Total commissions and fees 47 23
Loan servicing    
Commissions and fees    
Total commissions and fees 16 24
Other    
Commissions and fees    
Total commissions and fees 111 120
Commissions and fees    
Commissions and fees    
Commissions and fees $ (2,816) $ (2,751)