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RECEIVABLES FROM CUSTOMERS (Details 1) - BRL (R$) R$ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | R$ 820 | R$ 833
Residential [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 272 | 221
Industrial [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 168 | 185
Commercial, services and others [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 203 | 220
Rural [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 33 | 34
Public authorities [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 28 | 45
Public lighting [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 1 | 2
Public services [member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | 33 | 38
Network Fees [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Allowance account for credit losses of financial assets | R$ 82 | R$ 88

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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