v3.26.1
Personnel expenses (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Personnel Expenses [Line Items]    
Salaries and variable compensation $ 12,860 $ 11,868
of which: variable compensation - financial advisors 3,029 2,744
Contractors 110 152
Social security 896 821
Post-employment benefit plans 602 671
Other personnel expenses 495 497
Total personnel expenses $ 14,963 $ 14,008