XML 135 R126.htm IDEA: XBRL DOCUMENT v3.25.3

Employee benefits plans - Disclosure of contributions by the company (Details) - BRL (R$) R$ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Suzano Prev
Employer Contributions [Line Items]
Employer contributions	R$ 18,077	R$ 16,197

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 2025-01-01
-Paragraph 35
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_i&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_EmployerContributions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Employer Contributions [Line Items]

+ References

No definition available.

+ Details

Name:	suz_EmployerContributionsLineItems
Namespace Prefix:	suz_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	suz_PlanNameAxis=suz_SuzanoPrevPensionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: