Acquisitions and divestitures - (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | $ (206) | $ 3,212 | $ (56) |
| Alianca Geracao Energia S A [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | $ (206) | 305 | |
| Anglo American Minerio De Ferro Brasil S A [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | 626 | ||
| Vale Oman Distribution Center [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | 1,222 | ||
| PT Vale Indonesia Tbk [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | $ 1,059 | ||
| Mineracao Rio Do Norte [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | (87) | ||
| Companhia Siderurgica Do Pecem [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Acquisitions and divestitures | $ 31 | ||