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Equity and Remuneration to Shareholders - Schedule of Changes on Dividends and Interest on Capital Payable (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Mandatory dividends paid | R$ 1,420 |  |
Withholding income tax on interest on capital | (175) |  |
Change Dividend [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance | 2,924 | R$ 1,863 | R$ 1,910
Proposed dividends | 3,734 | 3,124 | 2,232
Mandatory dividends paid | 1,420 |  |
Proposed dividends - Non-controlling interests | 2 | 2 | 1
Withholding income tax on interest on capital | (175) | (242) | (186)
Dividends retained - Minas Gerais state government |  |  |
Dividends paid | (4,294) | (1,823) | (2,094)
Balance | R$ 3,611 | R$ 2,924 | R$ 1,863

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