COMPANY'S OPERATIONS - Summary (Details)	12 Months Ended
Dec. 31, 2021 item
COMPANY'S OPERATIONS
Number of industrial units	12
Number of technology centers	5
Number of distribution centers	21
Number of ports	3
Suzano Industrial
COMPANY'S OPERATIONS
Number of industrial units	2
Suzano Holding S.A.
COMPANY'S OPERATIONS
Percentage of ownership interest in subsidiary	45.72%

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2021-01-01
-Paragraph 17
-Subparagraph b
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-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2021-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2021-01-01
-Paragraph 19B
-Subparagraph c
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration