Share-Based Payments - Restricted stock units (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Number of shares on conversion (in shares) | 1 | ||
| Total share based payment expense | $ 128 | $ 147 | $ 164 |
| Restricted stock units (RSUs) | |||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Number of shares on conversion (in shares) | 1 | ||
| Vesting period (in years) | 4 years | ||
| Vesting percentage | 25.00% | ||
| Total share based payment expense | $ 115 | $ 88 | $ 69 |
| Restricted stock units (RSUs) | Non-executive director | |||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||
| Vesting period (in years) | 1 year | 4 years | |
| Vesting percentage | 25.00% | ||
| Holding period (in years) | 3 years | ||