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Investments - Schedule of Assets Held for Sale at Book Value (Details) - BRL (R$) R$ in Millions | Nov. 30, 2023 | Sep. 30, 2023 | Apr. 30, 2023
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Disclosure of detailed information about investment property [line items] |  |  |
Book value |  |  | R$ 350
Fair value net of selling expenses |  |  | 592
Baguari Energia [Member] |  |  |
Disclosure of detailed information about investment property [line items] |  |  |
Book value |  | R$ 160 | 160
Fair value net of selling expenses |  |  | 392
Retiro Baixo [Member] |  |  |
Disclosure of detailed information about investment property [line items] |  |  |
Book value | R$ 191 |  | 190
Fair value net of selling expenses |  |  | R$ 200

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- Definition The fair value of financial assets that have been reclassified out of the available-for-sale category. [Refer: At fair value [member]; Financial assets, at fair value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expired 2023-01-01 -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 12A -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_12A_b&doctype=Standard&book=b -URIDate 2023-03-23 + Details
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