v3.25.1
Income (expenses) by nature (Details) - BRL (R$)
R$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Disclosure of attribution of expenses by nature to their function [line items]      
Personnel expenses R$ (520,711) R$ (364,650)  
Costs of raw materials, materials and services (3,153,449) (2,479,702)  
Logistics cost (1,296,365) (1,063,930)  
Depreciation, depletion and amortization (2,223,588) (1,706,401)  
Other (1) (535,054) (85,187)  
Total (7,729,167) (5,699,870)  
Personnel expenses (90,189) (72,670)  
Services (55,666) (47,850)  
Logistics cost (340,905) (272,620)  
Depreciation and amortization (241,026) (238,962)  
Other (2) (27,096) (21,313)  
Selling (754,882) (653,415)  
Personnel expenses (403,006) (320,672)  
Services (115,819) (92,452)  
Depreciation and amortization (30,276) (34,313)  
Other (3) (124,450) (55,538)  
General and administrative (673,551) (502,975)  
Rents and leases 520 189  
Results from sales of other products, net 26,967 24,486  
Results from sales and disposals of property, plant and equipment, intangible and biological assets, net (46,307) (47,554)  
Result on fair value adjustment of biological assets   R$ 1,431,530
Depletion, amortization and other PPA realizations (4) (2,532) (2,348)  
Provision for judicial liabilities (104,863) (26,109)  
Other operating income (expenses), net 7,006 11,127  
Total (119,209) (40,209)  
Other operating income, net (119,209) (40,209)  
Cost Of Sales , Idle Capacity And Maintenance R$ 416,608 R$ 55,308