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Commitments (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Energy Purchase And Transportation Contracts [Member]    
IfrsStatementLineItems [Line Items]    
Commitments R$ 108,768,267 R$ 132,307,398
Construction Of Jandara Wind Farm Complex [Member]    
IfrsStatementLineItems [Line Items]    
Commitments 147,682
Acquisition Of Assets For Electricity Distribution [Member]    
IfrsStatementLineItems [Line Items]    
Commitments 1,187,336 1,374,177
Gas Purchase Contracts [Member]    
IfrsStatementLineItems [Line Items]    
Commitments R$ 3,875,135 R$ 1,841,767