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FINANCIAL INSTRUMENTS (Details 8)
R$ in Thousands
 12 Months Ended
Dec. 31, 2022
BRL (R$)
IfrsStatementLineItems [Line Items]  
Cash flow hedge accounting - Platts R$ 341,269
Income tax and social contribution on cash flow hedge accounting (116,031)
Fair Value of cash flow accounting - Platts, net 225,238
Movement [Member]  
IfrsStatementLineItems [Line Items]  
Cash flow hedge accounting - Platts 393,559
Income tax and social contribution on cash flow hedge accounting (133,810)
Fair Value of cash flow accounting - Platts, net 259,749
Realization [Member]  
IfrsStatementLineItems [Line Items]  
Cash flow hedge accounting - Platts (52,290)
Income tax and social contribution on cash flow hedge accounting 17,779
Fair Value of cash flow accounting - Platts, net R$ (34,511)