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Receivables from Customers, Traders and Concession Holders - Schedule of Provision for Allowance for Doubtful Accounts (Details) - BRL (R$) R$ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | R$ 851 | R$ 867
Residential [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 331 | 322
Industrial [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 171 | 173
Commercial, services and others [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 216 | 237
Rural [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 37 | 40
Public authorities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 20 | 27
Public lighting [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 2 | 2
Public services [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | 21 | 27
Charges for use of the network (TUSD) [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance Accounts For Credit Losses Of Financial Assets | R$ 53 | R$ 39

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. + References No definition available. + Details
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