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Concessions and Authorizations - Schedule of Nominal Value and Present Value Portion to be Paid (Details)
R$ in Millions
 12 Months Ended
Dec. 31, 2023
BRL (R$)
Irape Enterprise [Member]  
IfrsStatementLineItems [Line Items]  
Interest 100.00%
[custom:ConcessionAmountPaid-0] R$ 3
[custom:NominalValueOfAmountsToBePaidInNextTwelveMonths-0] 3
[custom:PresentValueOfAmountsToBePaidInNextTwelveMonths-0] R$ 3
Queimado [Member]  
IfrsStatementLineItems [Line Items]  
Interest 82.50%
[custom:ConcessionAmountPaid-0] R$ 1
[custom:NominalValueOfAmountsToBePaidInNextTwelveMonths-0] 1
[custom:PresentValueOfAmountsToBePaidInNextTwelveMonths-0] R$ 1