XML 58 R44.htm IDEA: XBRL DOCUMENT
v3.23.2

PRINCIPLES OF CONSOLIDATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Principles Of Consolidation |
Schedule of companies direct equity investments |
Schedule of companies direct equity investments |  |
Subsidiary | 2022 and 2021
Form of valuation | Direct interest (%)
CEMIG Geração e Transmissão S.A. | Consolidation | 100.00
CEMIG Distribuição S.A. | Consolidation | 100.00
Companhia de Gás de Minas Gerais (‘Gasmig’) | Consolidation | 99.57
CEMIG Soluções Inteligentes em Energia S.A. (‘CEMIG Sim’) | Consolidation | 100.00
Sete Lagoas Transmissora de Energia S.A. (‘Sete Lagoas’) | Consolidation | 100.00

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

X
- Definition The disclosure of the basis used for consolidation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DisclosureOfBasisOfConsolidationExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration