Income (expenses) by nature (Details) - BRL (R$) R$ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | |||||
| Personnel expenses | R$ (1,085,896) | R$ (1,097,120) | |||
| Costs of raw materials, materials and services | (6,498,110) | (6,748,782) | |||
| Logistics cost | (2,688,905) | (2,990,033) | |||
| Depreciation, depletion and amortization | (5,405,769) | (4,794,691) | |||
| Other | (890,361) | (706,665) | |||
| Total | R$ (8,761,465) | R$ (8,608,124) | (16,569,041) | (16,337,291) | |
| Personnel expenses | (175,521) | (186,015) | |||
| Services | (117,445) | (119,340) | |||
| Logistics cost | (749,323) | (715,044) | |||
| Depreciation and amortization | (488,109) | (484,083) | |||
| Other (2) | (34,793) | (88,650) | |||
| Selling | (813,147) | (838,250) | (1,565,191) | (1,593,132) | |
| Personnel expenses | (787,738) | (798,162) | |||
| Services | (250,949) | (254,575) | |||
| Depreciation and amortization | (69,327) | (62,524) | |||
| Other (3) | (131,412) | (205,756) | |||
| General and administrative | (556,623) | (647,466) | (1,239,426) | (1,321,017) | |
| Results from sales of other products, net | 52,617 | 52,044 | |||
| Net result on disposal and write-off of non-current assets | 188,297 | (124,099) | |||
| Fair value adjustment of biological assets | 1,157,728 | (73,248) | R$ 1,516,458 | ||
| Depreciation, amortization and other PPA realizations (4) | 23,951 | 4,612 | |||
| Provision for judicial liabilities | (77,162) | (123,504) | |||
| Other operating income, net | 59,041 | (9,920) | |||
| Total | 1,404,472 | (274,115) | |||
| Other operating income, net | R$ 1,334,957 | R$ (154,906) | 1,404,472 | (274,115) | |
| Cost Of Sales , Idle Capacity And Maintenance | R$ 812,232 | R$ 441,639 | |||