Liabilities related to associates and joint ventures (Details Narrative) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jul. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | |||
| Discounted rate | 7.66% | 8.20% | |
| Samarco [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Provisions | $ 449.0 | ||
| USD [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Definitive agreement amount | $ 32,600.0 | ||
| Litigation of securing amount | 851.0 | ||
| BRL [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Definitive agreement amount | 170,000.0 | ||
| E U R [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Litigation of securing amount | $ 745.4 |