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INVESTMENTS (Details 7) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
IfrsStatementLineItems [Line Items] |  |  |  |
Bargain purchase |  | R$ 5 | R$ 4 | R$ 51
C E M I G Sim [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Fair value of net assets acquired |  | 48 |  |
Bargain purchase |  | 5 |  |
Consideration paid | [1] | R$ 43 |  |
[1] | The consideration paid include the fair value off the contingent consideration in the amount of R$ 2.

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- Definition The gain (loss) arising from the difference between the carrying amount of the financial liability extinguished and the measurement of the consideration paid (equity instruments issued) to the creditor. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRIC -Number 19 -IssueDate 2022-03-24 -Paragraph 11 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRIC&num=19&code=ifrs-tx-2022-en-r&anchor=para_11&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of any gain recognised in a business combination in which the net of the identifiable assets acquired and the liabilities assumed exceeds the aggregate of the consideration transferred, non-controlling interest in the acquiree and fair value of the acquirer's previously held equity interest in the acquiree. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph n -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_n_i&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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