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EXPENSES BY NATURE (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]      
Expense, net R$ (37,965,172) R$ (34,303,953) R$ (28,796,921)
Cost of sales (33,475,189) (31,054,016) (25,837,475)
Selling expenses (3,729,089) (2,575,818) (2,372,298)
General and administrative expenses (760,894) (674,119) (587,148)
Total (37,965,172) (34,303,953) (28,796,921)
Raw Materials And Inputs [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (12,732,273) (14,572,337) (10,405,028)
Outsourcing Material [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (5,104,273) (3,265,627) (4,476,702)
Labor Cost [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (4,268,241) (3,320,234) (2,746,454)
Supplies [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (3,735,873) (3,501,649) (2,297,069)
Maintenance Cost Services And Materials [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (578,514) (916,646) (1,268,752)
Outsourcing Services [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (2,905,888) (2,178,589) (2,119,515)
Freights [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (4,185,360) (2,826,821) (1,835,601)
Depreciation Amortization And Depletion [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net (3,291,149) (2,792,845) (2,114,681)
Others One [Member]      
IfrsStatementLineItems [Line Items]      
Expense, net R$ (1,163,601) R$ (929,205) R$ (1,533,119)