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Employee benefits plans - Disclosure of contributions by the company (Details) - Suzano Prev - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Employer Contributions [Line Items] |  |
Defined Contribution Plan, Employee Contributions, Maximum Percentage of Salary | 12.00% |
Employer contributions | R$ 21,719 | R$ 18,342
Nominal salary greater than 10 URS |  |
Employer Contributions [Line Items] |  |
Defined Contribution Plan, Annual Contributions Per Employee, Percent | 0.50% |
Nominal salary greater than 10 URS | Bottom of range [member] |  |
Employer Contributions [Line Items] |  |
Defined Contribution Plan, Annual Contributions Per Employee, Percent | 1.00% |
Nominal salary greater than 10 URS | Top of range [member] |  |
Employer Contributions [Line Items] |  |
Defined Contribution Plan, Annual Contributions Per Employee, Percent | 6.00% |
Nominal salary less than 10 URS | Bottom of range [member] |  |
Employer Contributions [Line Items] |  |
Defined Contribution Plan, Annual Contributions Per Employee, Percent | 0.50% |
Defined Contribution Plan, Annual Contributions by the Company Per Employee, Percent | 0.50% |
Nominal salary less than 10 URS | Top of range [member] |  |
Employer Contributions [Line Items] |  |
Defined Contribution Plan, Annual Contributions Per Employee, Percent | 1.00% |

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- Definition The amount of employer contributions to retirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2024-01-01 -Paragraph 35 -Subparagraph b -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2024-en-r&anchor=para_35_b_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Percentage of employee gross pay the Company contributes to a defined contribution plan per employee. + References No definition available. + Details
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- Definition Percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition The maximum percentage of salary an employee may choose to invest in the pension plan. + References No definition available. + Details
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- Definition Employer Contributions [Line Items] + 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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- Details
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