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INVESTMENTS - Business Combination - Triangulo Mineiro Transmissora S.A. ("TMT") (Details) - BRL (R$) R$ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 21, 2023 | Jan. 01, 2023 | Dec. 31, 2023
Business combinations |  |  |
Proportion of ownership interest in joint venture |  |  | 50.38%
Tringulo Mineiro Transmissora S.A. ("TMT") |  |  |
Business combinations |  |  |
Proportion of ownership interest in joint venture | 49.00% |  |
Amount allocated to intangible asset related to concession agreements | R$ 896 |  |
Percentage of ownership interest held prior to acquisition | 49.00% |  |
Cash transferred | R$ 273,211 |  |
Deferred tax liabilities | 227 |  |
Total adjustment in net assets | 669 |  |
Premium |  |  |
Fair value of liquid assets acquired by the Company | 582,644 |  |
Consideration transferred | 273,211 |  |
(c) Fair value of shareholding maintained before combination of businesses | 285,495 |  |
(d) = (b) + (c) | 558,706 |  |
(d) - (a) Premium | 23,938 |  |
Revenue since acquisition date |  | R$ 54,810 |
Profit/Loss since acquisition date |  | R$ 44,234 |
Tringulo Mineiro Transmissora S.A. ("TMT") |  |  |
Premium |  |  |
(c) Fair value of shareholding maintained before combination of businesses | R$ 68,481 |  |
Furnas | Tringulo Mineiro Transmissora S.A. ("TMT") |  |  |
Business combinations |  |  |
Control of acquired, percentage | 51.00% |  |
Furnas | Tringulo Mineiro Transmissora S.A. ("TMT") |  |  |
Business combinations |  |  |
Percentage of equity interest /Percentage of participation | 100.00% |  |
Furnas | Tringulo Mineiro Transmissora S.A. ("TMT") |  |  |
Business combinations |  |  |
Proportion of ownership interest in joint venture | 49.00% |  |

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- Definition The acquisition-date fair value of equity interest in the acquiree held by the acquirer immediately before the acquisition date in a business combination achieved in stages. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph p -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_p_i&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
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