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Goodwill based on expected future profitability - Segment information (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Total |  |
Disclosure of operating segments [line items] |  |
Goodwill Based On Expected Future Profitability | R$ 8,187,242 | R$ 8,187,242
Pulp |  |
Disclosure of operating segments [line items] |  |
Goodwill Based On Expected Future Profitability | 7,897,051 | 7,897,051
Paper |  |
Disclosure of operating segments [line items] |  |
Goodwill Based On Expected Future Profitability | R$ 290,191 | R$ 290,191

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- Definition The amount of goodwill from expected future profitability arising from the business combination. + References No definition available. + Details
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