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Summary of Significant Accounting Policies (Details) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 BRL (R$) segment | Dec. 31, 2023 BRL (R$)
Summary of significant accounting policies [Line Items] |  |
Number of reportable segments | segment | 2 |
Spinnova Plc (Direct) (“Spinnova”) | Foreign countries |  |
Summary of significant accounting policies [Line Items] |  |
Carrying amount | R$ | R$ 95,254 | R$ 95,736
Proportion of ownership interest in associate | 18.77% |
Biological assets for production |  |
Summary of significant accounting policies [Line Items] |  |
Age of biological assets in formation accounted for at the formation cost | 2 years |

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