Acquisitions and divestitures (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||||
| Acquisitions and divestitures | $ 1,059 | $ (117) | $ 1,059 | |
| Energy Assets [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Acquisitions and divestitures | (117) | |||
| PT Vale Indonesia Tbk [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Acquisitions and divestitures | $ 1,059 | $ 1,059 | ||