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EXPENSES BY NATURE (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]      
Expense, net R$ (38,299,992) R$ (37,965,172) R$ (34,303,953)
Cost of sales (31,990,696) (33,475,189) (31,054,016)
Selling expenses (5,453,297) (3,729,089) (2,575,818)
General and administrative expenses (855,999) (760,894) (674,119)
Total (38,299,992) (37,965,172) (34,303,953)
Raw Materials And Inputs [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (13,883,091) (12,732,273) (14,572,337)
Outsourcing Material [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (3,086,404) (5,104,273) (3,265,627)
Labor Cost [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (4,954,714) (4,268,241) (3,320,234)
Supplies [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (2,822,094) (3,735,873) (3,501,649)
Maintenance Cost Services And Materials [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (950,420) (578,514) (916,646)
Outsourcing Services [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (2,069,469) (2,905,888) (2,178,589)
Freights [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (5,762,086) (4,185,360) (2,826,821)
Depreciation Amortization And Depletion [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (3,690,677) (3,291,149) (2,792,845)
Others One [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net R$ (1,081,037) R$ (1,163,601) R$ (929,205)