XML 225 R204.htm IDEA: XBRL DOCUMENT
v3.25.1

Related Party Transactions (Details 3) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Related Party Transaction |  |  |
Remuneration | R$ 34 | R$ 29 | R$ 29
Income sharing | 8 | 7 | 6
Pension plans | 2 | 2 | 2
Total | R$ 44 | R$ 38 | R$ 37

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- Definition Key management personnel assistance benefits. + References No definition available. + Details
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Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Key management personnel compensation salaries and other benefits. + References No definition available. + Details
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Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Key management personnel profit shares (reversals). + References No definition available. + Details
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Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2024-01-01 -Paragraph 17 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_17&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
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