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Sectorial Charges Payable (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]    
Sectorial charges due R$ 61,466 R$ 46,488
Energy Development Account [Member]    
IfrsStatementLineItems [Line Items]    
Sectorial charges due 56,927 41,122
Global Reversal Reserve [Member]    
IfrsStatementLineItems [Line Items]    
Sectorial charges due R$ 4,539 R$ 5,366