XML 185 R81.htm IDEA: XBRL DOCUMENT v3.20.1

Financial Instruments and Risks Management - Interest Rate Risk Sensitivity Analysis (Details) R$ in Thousands	12 Months Ended
	Dec. 31, 2019 BRL (R$)
Derivative Options | CDI | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	R$ 66,981
Derivative Options | CDI | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	(72,473)
Derivative Options | CDI | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	(142,327)
Derivative Options | CDI | Possible (-25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an decrease in measurement input	75,530
Derivative Options | CDI | Remote (-50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an decrease in measurement input	154,446
Derivative Swap | CDI | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	(2,198,750)
Derivative Swap | CDI | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	(42,752)
Derivative Swap | CDI | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	(83,345)
Derivative Swap | CDI | Possible (-25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an decrease in measurement input	44,995
Derivative Swap | CDI | Remote (-50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an decrease in measurement input	92,339
Derivative Swap | LIBOR | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	(2,198,750)
Derivative Swap | LIBOR | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	163,314
Derivative Swap | LIBOR | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	326,151
Derivative Swap | LIBOR | Possible (-25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an decrease in measurement input	(163,811)
Derivative Swap | LIBOR | Remote (-50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an decrease in measurement input	(328,121)
Interest rate risk | Cash and cash equivalents | CDI | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial assets attributable to an increase in measurement input	630,075
Interest rate risk | Cash and cash equivalents | CDI | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial assets attributable to an increase in measurement input	6,931
Interest rate risk | Cash and cash equivalents | CDI | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial assets attributable to an increase in measurement input	13,862
Interest rate risk | Marketable securities | CDI | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial assets attributable to an increase in measurement input	6,330,334
Interest rate risk | Marketable securities | CDI | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial assets attributable to an increase in measurement input	69,634
Interest rate risk | Marketable securities | CDI | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial assets attributable to an increase in measurement input	139,267
Interest rate risk | Loans and financing | CDI | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	11,482,992
Interest rate risk | Loans and financing | CDI | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	581,039
Interest rate risk | Loans and financing | CDI | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	252,626
Interest rate risk | Loans and financing | TJLP | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	9,720,880
Interest rate risk | Loans and financing | TJLP | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	622,671
Interest rate risk | Loans and financing | TJLP | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	270,727
Interest rate risk | Loans and financing | LIBOR | Probable
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	16,229,715
Interest rate risk | Loans and financing | LIBOR | Possible (25%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	356,183
Interest rate risk | Loans and financing | LIBOR | Remote (50%)
Financial Instruments and Risks Management
Effect on profit or loss and equity due to changes in fair value of financial liabilities attributable to an increase in measurement input	R$ 154,862

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of increase (decrease) in the fair value measurement of liabilities, recognised in profit or loss before tax, due to a reasonably possible decrease in an unobservable input. [Refer: Tax income (expense)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2019-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of increase (decrease) in the fair value measurement of assets, recognised in profit or loss before tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2019-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of increase (decrease) in the fair value measurement of liabilities, recognised in profit or loss before tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2019-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInProfitOrLossBeforeTaxLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_OptionContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=suzby_LocalInterbankDepositCertificateRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=suzby_SensitivityAnalysisProbableScenarioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=suzby_SensitivityAnalysisPossibleScenario25PercentPositiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=suzby_SensitivityAnalysisPossibleScenario50PercentPositiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=suzby_SensitivityAnalysisPossibleScenario25PercentNegativeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=suzby_SensitivityAnalysisPossibleScenario50PercentNegativeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_SwapContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=suzby_IfrsLondonInterbankOfferedRateLiborMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=suzby_IfrsCashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_TradingSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=suzby_LoansAndFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=suzby_BrazilianFederalLongTermInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: