XML 63 R45.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Principles of Consolidation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Principles Of Consolidation |
Schedule of Direct Equity Investments | The direct equity investments of CEMIG, included in the consolidation, are the following:
| 2023 and 2022 |
Subsidiary |  | 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
- Definition Disclosure Principles Of Consolidation Abstract + 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 2023-01-01 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_10_e&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DisclosureOfBasisOfConsolidationExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration