Non-current and current financial debts - Additional information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of detailed information about borrowings [line items] | ||||
| Interest expense | $ 43 | $ 43 | $ 85 | $ 84 |
| Revolving facility, floating rate due 2030 | ||||
| Disclosure of detailed information about borrowings [line items] | ||||
| Undrawn borrowing facilities | $ 1,320 | $ 1,320 | ||