Advances to suppliers (Details) - BRL (R$) R$ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Advances to Suppliers [Line Items] | ||
| Current | R$ 87,696 | R$ 92,133 |
| Non-current | 2,682,250 | 2,503,537 |
| Total | ||
| Advances to Suppliers [Line Items] | ||
| Advances to Suppliers. | 2,769,946 | 2,595,670 |
| Forestry development program and partnerships | ||
| Advances to Suppliers [Line Items] | ||
| Advances to Suppliers. | 2,682,250 | 2,503,537 |
| Advance to suppliers - others | ||
| Advances to Suppliers [Line Items] | ||
| Advances to Suppliers. | R$ 87,696 | R$ 92,133 |