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Income and Social Contribution Taxes - Schedule of Income Tax and Social Contribution Tax Recoverable (Details) - BRL (R$) R$ in Millions | 1 Months Ended | 12 Months Ended
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Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Income And Social Contribution Taxes |  |  |
Income tax |  | R$ 510 | R$ 594
Social contribution tax |  | 89 | 262
Income and social contribution tax credits |  | 589 | 856
Current |  | 7 | 411
Non-current | R$ 81 | R$ 582 | R$ 445

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