XML 137 R116.htm IDEA: XBRL DOCUMENT v3.25.1

Investments - Schedule of Changes in Dividends Receivable (Details) - BRL (R$) R$ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments
Opening balances	R$ 50	R$ 146	R$ 335
Dividends proposed by investees	423	496	519
Withholding income tax on Interest on equity	(13)
Amounts received	(349)	(592)	(708)
Ending balances	R$ 111	R$ 50	R$ 146

X

- Definition

Dividend receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	cig_
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Balance Type:	debit
Period Type:	instant

X

- Definition

Investees dividends proposal.

+ References

No definition available.

+ Details

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Namespace Prefix:	cig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of withholding income tax on Interest on equity.

+ References

No definition available.

+ Details

Name:	cig_WithholdingIncomeTaxOnInterestOnEquity
Namespace Prefix:	cig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of dividends received.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph B12
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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