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FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT - Price risk (Details) - Commodity price risk - Embedded derivative - Forestry partnership with standing wood supply agreements R$ in Thousands	6 Months Ended
	Jun. 30, 2022 BRL (R$)
Probable
FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT
Effect on fair value of assets attributable to an increase in measurement input	R$ (24,033)
Possible (+25%)
FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT
Effect on fair value of assets attributable to an increase in measurement input	34,007
Remote (+50%)
FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT
Effect on fair value of assets attributable to an increase in measurement input	R$ 70,205

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- Definition

The amount of increase (decrease) in the fair value measurement of assets due to a reasonably possible increase in an unobservable input.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2021-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
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