XML 249 R228.htm IDEA: XBRL DOCUMENT
v3.25.1

Assets Classified as Held for Sale - Additional Information (Details) R$ in Millions |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 05, 2024 BRL (R$) | Apr. 01, 2024 Number | Mar. 17, 2023 Number | Dec. 31, 2024 Number | Aug. 31, 2024 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |  |  |
Public auction minimum price | R$ |  |  |  |  | R$ 1,119.0
Number of hydroelectric generation plants and units |  |  | 15 | 15 |
Onerous Transfer Of 4PCHUHEs [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Number of hydroelectric generation plants and units |  | 4 |  |  |
Cemig GT [Member] | Onerous Transfer Of 4PCHUHEs [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Number of hydroelectric generation plants and units |  | 1 |  |  |
Horizontes [Member] | Onerous Transfer Of 4PCHUHEs [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Number of hydroelectric generation plants and units |  | 3 |  |  |
Ambar Hidroenergia Ltda [Member] | Onerous Transfer Of 4PCHUHEs [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Public auction minimum price | R$ | R$ 29.1 |  |  |  |
Public auction winning price | R$ | R$ 52.0 |  |  |  |
Public auction premium percentage | 78.80% |  |  |  |

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