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v3.25.1

Concession Contract Assets - Schedule of Concession Contracts (Details) - BRL (R$) R$ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Current consideration | R$ 1,140 | R$ 850
Non current consideration | 5,351 | 3,907
Total consideration | 6,491 | 4,757
National Grid ('BNES' - Basic Network of the Existing System) [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current consideration | 479 | 466
Non current consideration | 1,137 | 1,257
National Grid - new facilities (RBNI) [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current consideration | 595 | 302
Non current consideration | 3,892 | 2,358
Concession contract - 079/00 [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current consideration | 39 | 45
Non current consideration | 110 | 118
Concession contract - 006/11 (c) [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current consideration | 18 | 28
Non current consideration | 107 | 74
Concession contract - 004/05 [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current consideration | 9 | 9
Non current consideration | R$ 105 | R$ 100

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