v3.25.2
Net fee and commission income (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Net fee And Commission Income [Line Items]          
Underwriting Fees $ 246 $ 187 $ 233 $ 433 $ 427
M&A and corporate finance fees 225 244 272 470 530
Brokerage fees 1,261 1,376 1,144 2,636 2,295
Investment fund fees 1,601 1,543 1,401 3,143 2,658
Portfolio management and related services 3,165 3,104 3,071 6,269 6,121
Other 864 972 1,090 1,836 2,259
Total fee and commission income 7,361 7,426 7,211 14,787 14,291
Fee and commission expense 653 649 679 1,302 1,268
Net fee and commission income 6,708 6,777 6,531 13,485 13,023
Global Wealth Management          
Net fee And Commission Income [Line Items]          
Total fee and commission income 4,328 4,431 4,011    
Personal & Corporate Banking          
Net fee And Commission Income [Line Items]          
Total fee and commission income 789 730 876    
Asset Management          
Net fee And Commission Income [Line Items]          
Total fee and commission income 984 939 924    
Investment Bank          
Net fee And Commission Income [Line Items]          
Total fee and commission income 1,250 1,243 1,322    
Non-core and Legacy          
Net fee And Commission Income [Line Items]          
Total fee and commission income 7 68 125    
Group Items          
Net fee And Commission Income [Line Items]          
Total fee and commission income 3 14 (47)    
of which: recurring          
Net fee And Commission Income [Line Items]          
Total fee and commission income 4,762 4,610 4,484 9,372 8,891
of which: transaction-based          
Net fee And Commission Income [Line Items]          
Total fee and commission income 2,560 2,783 2,697 5,342 5,338
of which: performance-based          
Net fee And Commission Income [Line Items]          
Total fee and commission income $ 39 $ 33 $ 30 $ 73 $ 62