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v3.25.1

INVENTORIES - Roll-forward of estimated losses (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Roll-forward of estimated losses |  |
Beginning | R$ (95,053) | R$ (105,989)
Additional allowance recognised in profit or loss, allowance account for credit losses | (83,705) | (65,085)
Reversal Allowance Account For Credit Losses Financial Assets | 6,352 | 33,666
Utilisation Allowance Account For Credit Losses Financial Assets | 74,472 | 42,355
Ending | R$ (97,934) | R$ (95,053)

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

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- Definition Additional allowance recognised in profit or loss, allowance account for credit losses + References No definition available. + Details
Name: | suz_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLosses
Namespace Prefix: | suz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition This element should be used to tag non-restated comparative information only. Allowance account for credit losses of financial assets at beginning of period. Allowance account for credit losses of financial assets at end of period + References No definition available. + Details
Name: | suz_AllowanceAccountForCreditLossesFinancialAssets
Namespace Prefix: | suz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Reversal Allowance Account For Credit Losses Financial Assets + References No definition available. + Details
Name: | suz_ReversalAllowanceAccountForCreditLossesFinancialAssets
Namespace Prefix: | suz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Utilisation Allowance Account For Credit Losses Financial Assets + References No definition available. + Details
Name: | suz_UtilisationAllowanceAccountForCreditLossesFinancialAssets
Namespace Prefix: | suz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration