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EMPLOYEE BENEFIT PLANS - Summary of Plans (Details) - Suzano Prev - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
EMPLOYEE BENEFIT PLANS
Maximum aggregate percentage of contribution by employee	12.00%
Employer contributions	R$ 21,719	R$ 18,342
Nominal salary greater than 10 URS
EMPLOYEE BENEFIT PLANS
Percentage of contribution by the employee	0.50%
Nominal salary greater than 10 URS | Bottom of range
EMPLOYEE BENEFIT PLANS
Percentage of contribution by the employee	1.00%
Nominal salary greater than 10 URS | Top of range
EMPLOYEE BENEFIT PLANS
Percentage of contribution by the employee	6.00%
Nominal salary less than 10 URS | Bottom of range
EMPLOYEE BENEFIT PLANS
Percentage of contribution by the employee	0.50%
Percentage of contribution by the Company	0.50%
Nominal salary less than 10 URS | Top of range
EMPLOYEE BENEFIT PLANS
Percentage of contribution by the employee	1.00%

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The amount of employer contributions to retirement benefit plans.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 26
-IssueDate 2024-01-01
-Paragraph 35
-Subparagraph b
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-URIDate 2024-03-27

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Percentage of employee gross pay the Company contributes to a defined contribution plan per employee.

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Percentage of employee gross pay the employee may contribute to a defined contribution plan.

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The maximum percentage of salary an employee may choose to invest in the pension plan.

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