v3.25.2
Directors and senior management - Summary of Remuneration of Directors of the Company (Details) - Directors - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Directors Remuneration [Line Items]      
Emoluments $ 12 $ 12 $ 12
Value of released awards under long-term incentive plans 4 7 5
Employer contributions to pension plans $ 1 $ 1 $ 1