PROVISION FOR JUDICIAL LIABILITIES - Contingencies with possible losses (Details) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Fibria | ||
| Disclosure of other provisions [line items] | ||
| Fair value adjustment of probable contingencies | R$ 2,076,296 | R$ 2,108,635 |
| Total | ||
| Disclosure of other provisions [line items] | ||
| Possible losses for which no provision was recorded | 11,630,929 | 15,074,276 |
| Tax and social security | ||
| Disclosure of other provisions [line items] | ||
| Possible losses for which no provision was recorded | 10,417,734 | 9,837,082 |
| Labor | ||
| Disclosure of other provisions [line items] | ||
| Possible losses for which no provision was recorded | 189,506 | 171,480 |
| Civil and environmental | ||
| Disclosure of other provisions [line items] | ||
| Possible losses for which no provision was recorded | 1,023,689 | R$ 5,065,714 |
| Monetary Correction | ||
| Disclosure of other provisions [line items] | ||
| Possible losses for which no provision was recorded | R$ 352,442 |