Employee benefits (Details Narrative) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| IfrsStatementLineItems [Line Items] | |||
| Profit sharing program expense | $ 628 | $ 611 | $ 557 |
| Other expenses | 158 | 139 | 109 |
| Plan assets, at fair value | 5,471 | 5,059 | |
| Estimate of contributions | 57 | ||
| Portfolio Of Vale Stock [Member] | Country of domicile [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Plan assets, at fair value | 0 | 23 | |
| Brazilian Federal Government Securities [Member] | Country of domicile [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Plan assets, at fair value | 4,965 | 3,945 | |
| Canadian Government Securities [Member] | Foreign countries [member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Plan assets, at fair value | $ 866 | $ 507 | |
| Pension Plan [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Pension plan obligations | 836 | ||
| Other expenses | $ 5 | ||