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v3.20.2

INVENTORIES - Changes in provision for losses (Details) - BRL (R$) R$ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Changes in provision for losses |  |
Balance at the beginning of the period | R$ (106,713) | R$ (33,195)
Business combination |  | (11,117)
Addition | (33,653) | (111,077)
Reversal | 1,033 | 9,734
Write-off | 71,351 | 38,942
Balance at the end of the period | (67,982) | (106,713)
Raw materials, estimated losses | 27,326 | 57,384
Finished product, write-off of inventory | 31,088 | 666
Raw materials, write-off of inventory | 32,600 | 26,083
Inventories pledged as security for liabilities | R$ 0 | R$ 0

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- Definition The amount of inventories pledged as security for liabilities. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2019-01-01 -Paragraph 36 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2019-en-r&anchor=para_36_h&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Amount of increase in the inventory valuation allowance during the reporting period. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Increase in inventory valuation reserves resulting from a business combination. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:stringItemType
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- Definition The amount of estimated loss of inventory classified as raw materials. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition It represents additional loss during the period + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of valuation reserve for inventory. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of inventory classified as written off finished product during the reporting period. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of inventory classified as raw materials written off during the reporting period. + References No definition available. + Details
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Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration