XML 159 R141.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Leasing - Schedule of Embedded Leasing Consideration (Details) R$ in Millions	12 Months Ended
	Dec. 31, 2023 BRL (R$)
Nominal [member]
IfrsStatementLineItems [Line Items]
Consideration for the leasing	R$ 888
Potential PIS/Pasep and Cofins (9.25%)	59
Adjusted To Present Value [member]
IfrsStatementLineItems [Line Items]
Consideration for the leasing	433
Potential PIS/Pasep and Cofins (9.25%)	R$ 21

X

- Definition

Represent information about the cash outflow for potential p i s.

+ References

No definition available.

+ Details

Name:	cig_CashOutflowForPotentialPIS
Namespace Prefix:	cig_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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 cash outflow for leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2023-01-01
-Paragraph 53
-Subparagraph g
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_g&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CashOutflowForLeases
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	cig_CashFlowLocationAxis=cig_NominalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	cig_CashFlowLocationAxis=cig_AdjustedToPresentValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: