Financial and capital risk management (Details 10) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Net Investments Hedge [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Gain (loss) recognised in other comprehensive income | $ 273 | $ (500) | $ 139 |
| Cash Flow Hedge Nickel And Palladium [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Gain (loss) recognised in other comprehensive income | $ (19) | ||