Financial and capital risk management (Details 2) - Not Designated As Hedging Instruments [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||||
| Gain (loss) recognized in the income statement | $ 548 | $ (471) | $ 1,313 | $ (469) |
| Foreign Exchange And Interest Rate Risk [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Gain (loss) recognized in the income statement | 557 | (455) | 1,321 | (469) |
| Commodity price risk [member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Gain (loss) recognized in the income statement | (9) | (18) | (9) | (1) |
| Embedded Derivatives Risk [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Gain (loss) recognized in the income statement | $ 2 | $ 1 | $ 1 | |