Biological assets - Measurement of the premises adopted (Details) - ha |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Disclosure of detailed information about biological assets [line items] | ||
| Useful productive planted area (hectare) eligible for fair value calculation | 1,298,200,000 | 1,228,834,000 |
| Average Annual Growth Volume Per Hectare Per Year | 38,130 | 37,460 |
| Average gross sale price of eucalyptus | 116,770 | 111,900 |
| Label Role Discount rate post-tax | 8.10% | 8.10% |
| Mature biological assets [member] | ||
| Disclosure of detailed information about biological assets [line items] | ||
| Useful productive planted area (hectare) eligible for fair value calculation | 181,175,000 | 173,476,000 |
| Immature biological assets [member] | ||
| Disclosure of detailed information about biological assets [line items] | ||
| Useful productive planted area (hectare) eligible for fair value calculation | 1,117,025,000 | 1,055,358,000 |