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v3.22.1

Schedule of dvidends receivable from equity investees (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Light |  | R$ 71 | R$ 71
Aliança Geração |  | 225 | 114
Taesa |  | 32 |
Others | [1] | 7 | 3
Dividends Receivable Total |  | R$ 335 | R$ 188
[1] | The subsidiaries grouped in ‘Others’ are identified in the table above under “Interest on Equity, and Dividends”.

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

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