XML 203 R185.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Equity and Remuneration to Shareholders - Schedule of Interest on Equity Declared (Details) - Chief Executive Officer [Member] - BRL (R$) R$ in Millions					12 Months Ended
	Dec. 14, 2023	Sep. 20, 2023	Jun. 20, 2023	Mar. 22, 2023	Dec. 31, 2023
IfrsStatementLineItems [Line Items]
Amount of remuneration	R$ 1,323	R$ 418	R$ 427	R$ 424	R$ 2,592
Income tax withheld	R$ (123)	R$ (39)	R$ (40)	R$ (40)	R$ (242)

X

- Definition

Dividend and interest on capital.

+ References

No definition available.

+ Details

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

X

- Definition

Ifrs Statement Line Items

+ References

No definition available.

+ Details

Name:	cig_IfrsStatementLineItems
Namespace Prefix:	cig_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of fees paid or payable to the entity's auditors.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- Details

Name:	srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: