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EMPLOYEE BENEFIT PLANS - Defined Contribution Plans (Details) - BRL (R$) R$ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Suzano Prev pension plan
Defined contribution plans
Employer contributions	R$ 3,505	R$ 5,993
FUNSEJEM
Defined contribution plans
Employer contributions	R$ 4,363	R$ 9,920

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 2019-01-01
-Paragraph 35
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2019-en-r&anchor=para_35_b_i&doctype=Standard
-URIDate 2019-03-27

+ Details

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X

- 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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- Details

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X

- Details

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