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Receivables from land expropriation (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Receivables from land expropriation |  |
Total receivables from land expropriation | R$ 63,652 | R$ 60,975

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

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- Definition The amount of receivables resulting from litigation awards. + References No definition available. + Details
Name: | suzby_LitigationAwardsReceivable
Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant