Financial and capital risk management (Details 3) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Derivatives settlement cash outflow | $ 283 | $ 124 |
| Not Designated As Hedging Instruments [Member] | Foreign Exchange And Interest Rate Risk [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Derivatives settlement cash outflow | 297 | 115 |
| Not Designated As Hedging Instruments [Member] | Commodity price risk [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Derivatives settlement cash outflow | $ (14) | $ 9 |