v3.25.2
Directors and senior management - Summary of Directors and Senior Management Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Directors And Senior Management Expense [Line Items]      
Share-based compensation $ 700 $ 807 $ 539
Total 13,629 13,971 12,092
Directors and Senior Management      
Disclosure Of Directors And Senior Management Expense [Line Items]      
Short-term benefits 31 33 27
Retirement benefits 2 2 3
Share-based compensation 17 17 16
Termination and related amounts 7 1 2
Total $ 57 $ 53 $ 48