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Concession Contract Assets - Schedule of Periodic Tariff Review (Details) R$ in Millions | 12 Months Ended
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Dec. 31, 2024 BRL (R$)
IfrsStatementLineItems [Line Items] |
Results of the Periodic Tariff Revision | R$ 1,676
RBSE - Assets until 12/2012 [Member] |
IfrsStatementLineItems [Line Items] |
Results of the Periodic Tariff Revision | 164
RBNI Cycle 2013-2018 - Original [Member] |
IfrsStatementLineItems [Line Items] |
Results of the Periodic Tariff Revision | 10
RBNI Cycle 2013-2018 - Revised RTP 2024 [Member] |
IfrsStatementLineItems [Line Items] |
Results of the Periodic Tariff Revision | 89
RBNI Cycle 2018-2023 – Small Improvements [Member] |
IfrsStatementLineItems [Line Items] |
Results of the Periodic Tariff Revision | 205
RBNI Cycle 2018-2023 – Major Improvements and Reinforcements [Member] |
IfrsStatementLineItems [Line Items] |
Results of the Periodic Tariff Revision | R$ 1,208

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