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Financial Instruments and Risk Management (Details 10)
R$ in Thousands
12 Months Ended
Dec. 31, 2024
BRL (R$)
R$ / shares
IfrsStatementLineItems [Line Items]  
Notional R$ 5,945,000
Fair value hedges [member] | Commodity price risk [member]  
IfrsStatementLineItems [Line Items]  
Notional 25,249
Fair value R$ (14,611)
Nondeliverable Forward [Member] | Fair value hedges [member] | Commodity price risk [member]  
IfrsStatementLineItems [Line Items]  
Hedged object  Cost in USD 
Assets BRL
Liabilities USD
Maturity 1st Qtr. 2025
Notional R$ 15,823
Exercise price | R$ / shares 5.5465
Fair value R$ (10,851)
Nondeliverable Forward One [Member] | Fair value hedges [member] | Commodity price risk [member]  
IfrsStatementLineItems [Line Items]  
Hedged object Cost in USD
Assets BRL
Liabilities USD
Maturity 3rd Qtr. 2025
Notional R$ 9,426
Exercise price | R$ / shares 6.0634
Fair value R$ (3,760)