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General information about financial statements (Details) - item | Dec. 31, 2025 | Sep. 30, 2025
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BRAZIL | Fibria |  |
Company's Operations [Line Items] |  |
Number of Ports |  | 4
BRAZIL |  |
Company's Operations [Line Items] |  |
Number of Technology Centers |  | 4,000
Number of Distribution Centers |  | 29
BRAZIL | Suzano Industrial |  |
Company's Operations [Line Items] |  |
Number of Industrial Units | 14 |
State of Sao Paulo | Suzano Industrial |  |
Company's Operations [Line Items] |  |
Number of Industrial Units | 2 |

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- Definition Company's Operations [Line Items] + References No definition available. + Details
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- Definition The number of distribution centers. + References No definition available. + Details
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- Definition The number of industrial units. + References No definition available. + Details
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- Definition The number of ports. + References No definition available. + Details
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- Definition The number of technology centers. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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