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CONCESSIONS AND AUTHORIZATIONS (Details 2)
R$ in Millions
 12 Months Ended
Dec. 31, 2022
BRL (R$)
 [1]
Irape Enterprise [Member]  
IfrsStatementLineItems [Line Items]  
Interest 100.00% [2]
[custom:ConcessionAmountPaid-0] R$ 3 [2]
[custom:NominalValueOfAmountsToBePaidInNextTwelveMonths-0] 3 [2]
[custom:PresentValueOfAmountsToBePaidInNextTwelveMonths-0] R$ 3 [2]
Queimado [Member]  
IfrsStatementLineItems [Line Items]  
Interest 82.50% [3]
[custom:ConcessionAmountPaid-0] R$ 1 [3]
[custom:NominalValueOfAmountsToBePaidInNextTwelveMonths-0] 1 [3]
[custom:PresentValueOfAmountsToBePaidInNextTwelveMonths-0] R$ 1 [3]
[1] The information on operational costs and expenses separated by type is segregated in accordance with the internal business model, which has immaterial differences in relation to the accounting information.
[2] The only inter-segment transactions are from the generation to the trading segment, as explained above.
[3] The reconciliation between the published amounts for the segments and the accounting information on revenue and costs indicates the transactions between the consolidated companies (eliminations).