Financial and capital risk management (Details 3) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| IfrsStatementLineItems [Line Items] | |||
| Derivatives settlement cash outflow | $ 579 | $ 11 | $ 567 |
| Not Designated As Hedging Instruments [Member] | Foreign Exchange And Interest Rate Risk [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Derivatives settlement cash outflow | 592 | 5 | 476 |
| Not Designated As Hedging Instruments [Member] | Commodity price risk [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Derivatives settlement cash outflow | (13) | 6 | 6 |
| Designated As Hedging Instruments [Member] | Derivatives Risk [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Derivatives settlement cash outflow | $ 85 | ||