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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Biological assets for production | 12 Months Ended
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Dec. 31, 2022
Biological assets |
Formation cycle between planting until harvest | 7 years
Age of biological assets in formation accounted for at the formation cost | 2 years

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- References No definition available. + Details
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Namespace Prefix: | suz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The period of formation cycle between planting until harvest, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | suz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The maximum age of biological assets in formation which are accounted for at the formation cost. + References No definition available. + Details
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Namespace Prefix: | suz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_ClassesOfAssetsAxis=suz_BiologicalAssetsForProductionMember
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Data Type: | na
Balance Type: |
Period Type: |