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INSURANCE COVERAGE (Details) - Dec. 31, 2019 R$ in Thousands, $ in Thousands | USD ($) | BRL (R$)
--- | --- | ---
INSURANCE COVERAGE |  |
Maximum indemnity limit for material assets |  | R$ 8,822,000
General civil liability, insured amount | $ 20,000,000 | R$ 80,614,000

X
- Definition The amount of insurance for general civil liability. + References No definition available. + Details
Name: | suzby_GeneralCivilLiabilityInsuredAmount
Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The amount security or protection against a loss or other financial burden for material assets. + References No definition available. + Details
Name: | suzby_InsuranceForMaterialAssetsMaximumIndemnityLimit
Namespace Prefix: | suzby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant