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Financial Instruments (Details 11) - BRL (R$)
R$ / shares in Units, R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]        
Less: Cash and cash equivalents R$ (5,634,623) R$ (2,678,457) R$ (3,472,845)  
Adjusted net debt 5,343,217 4,650,363    
Equity 24,191,667 21,131,225 R$ 22,175,235 R$ 20,250,518
Capital Management [Member]        
IfrsStatementLineItems [Line Items]        
Loans and financing 5,343,217 4,650,363    
Debentures 9,619,106 7,803,855    
Less: Cash and cash equivalents (5,634,623) (2,678,457)    
Less: Bonds and securities - debt contract guarantees (405,342) (290,695)    
Indebtedness [Member] | Capital Management [Member]        
IfrsStatementLineItems [Line Items]        
Loans and financing 5,343,217 4,650,363    
Debentures 9,619,106 7,803,855    
Less: Cash and cash equivalents (5,634,623) (2,678,457)    
Less: Bonds and securities - debt contract guarantees (405,342) (290,695)    
Adjusted net debt 8,922,358 9,485,066    
Equity R$ 24,191,667 R$ 21,131,225    
Debit to equity ratio (in R$ per share) R$ 0.37 R$ 0.45