Selected accounting policies (Details) - USD ($) $ in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Corporate Information And Statement Of IFRS Compliance [Line Items] | ||
| Current financial debts | $ 137 | $ 63 |
| Non-current financial debts | $ 4,550 | 4,676 |
| Cumulative Effect, Period of Adoption, Adjustment | ||
| Corporate Information And Statement Of IFRS Compliance [Line Items] | ||
| Current financial debts | (82) | |
| Non-current financial debts | $ 82 |