Financial and capital risk management (Details 2) - Not Designated As Hedging Instruments [Member] - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| IfrsStatementLineItems [Line Items] | |||
| Gain (loss) recognized in the income statement | $ 1,616 | $ (1,209) | $ 903 |
| Foreign Exchange And Interest Rate Risk [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Gain (loss) recognized in the income statement | 1,605 | (1,187) | 900 |
| Commodity price risk [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Gain (loss) recognized in the income statement | 10 | (23) | |
| Embedded Derivatives Risk [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Gain (loss) recognized in the income statement | $ 1 | $ 1 | $ 3 |