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Equity and Remuneration to Shareholders - Schedule of Reserves (Details) - BRL (R$) R$ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Equity And Remuneration To Shareholders |  |  |
Investment-related donations and subsidies |  | R$ 1,857 | R$ 1,857
Goodwill on issuance of shares | 394 | 394 | 394
Shares in treasury | (1) | (1) | (1)
Capital reserves | R$ 393 | R$ 2,250 | R$ 2,250

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- Definition The amount received or receivable from the issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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