XML 228 R210.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Related Party Transactions (Details 1) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Related party transactions [abstract] |  |  |
Aliança Geração |  |  | R$ 127
Taesa |  | R$ 50 | 5
Other | [1] |  | 14
Total |  | R$ 50 | R$ 146
[1] | The subsidiaries grouped in ‘Other’ are identified in the table above under ‘Interest on Equity, and Dividends’.

X
- Definition Dvidends Receivable Alianca + References No definition available. + Details
Name: | cig_DvidendsReceivableAlianca
Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dvidends Receivable Other + References No definition available. + Details
Name: | cig_DvidendsReceivableOther
Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Dvidends Receivable Taesa + References No definition available. + Details
Name: | cig_DvidendsReceivableTaesa
Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Dvidends Receivable Total + References No definition available. + Details
Name: | cig_DvidendsReceivableTotal
Namespace Prefix: | cig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_RelatedPartyTransactionsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration