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EMPLOYEE BENEFIT PLANS - Defined Contribution Plans (Details) - BRL (R$) R$ in Thousands	5 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Suzano Prev
Defined contribution plans
Maximum aggregate percentage of contribution by employee	12.00%
Employer contributions		R$ 9,388	R$ 5,993
Suzano Prev | Nominal salary less than 10 URS | Minimum
Defined contribution plans
Supplemental percentage an employee may choose to invest in pension plan	0.50%
Suzano Prev | Nominal salary less than 10 URS | Maximum
Defined contribution plans
Supplemental percentage an employee may choose to invest in pension plan	1.00%
Suzano Prev, Basic Contribution 1 | Nominal salary greater than 10 URS
Defined contribution plans
Percentage of contribution by the Company		0.50%
Suzano Prev, Basic Contribution 1 | Nominal salary greater than 10 URS | Minimum
Defined contribution plans
Percentage of contribution by the employee		1.00%
Suzano Prev, Basic Contribution 1 | Nominal salary greater than 10 URS | Maximum
Defined contribution plans
Percentage of contribution by the employee		6.00%
Suzano Prev, Basic Contribution 2 | Nominal salary less than 10 URS
Defined contribution plans
Percentage of contribution by the Company		0.50%
Percentage of contribution by the employee		0.00%
FUNSEJEM
Defined contribution plans
Employer contributions		R$ 5,071	R$ 9,920
FUNSEJEM | Minimum
Defined contribution plans
Percentage of contribution by the employee		0.50%
FUNSEJEM | Maximum
Defined contribution plans
Percentage of contribution by the employee		6.00%

X

- 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 2020-01-01
-Paragraph 35
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2020-en-r&anchor=para_35_b_i&doctype=Standard
-URIDate 2020-01-01

+ Details

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X

- 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

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

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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