XML 130 R121.htm IDEA: XBRL DOCUMENT v3.25.3

LEASES - Changes in lease liabilities (Details) - BRL (R$) R$ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Lessee, Operating Leases, Changes in Lease Libilities [Line Items]
Opening Balance	R$ 6,972,915	R$ 6,243,782
Additions	767,736	744,226
Write-offs (2)	(605)	(3,102)
Payments	(1,059,908)	(1,325,398)
Accrual of financial charges (1)	547,497	700,283
Exchange rate variations	(381,893)	613,124
Closing Balance	6,845,742	6,972,915
Current	846,668	872,228
Non-current	5,999,074	6,100,687
Leased Land | Biological assets [domain]
Lessee, Operating Leases, Changes in Lease Libilities [Line Items]
Operating Leases, Capitalized Interest	R$ 200,177	R$ 223,055

X

- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_CurrentLeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_LeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_NoncurrentLeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of capitalized interest expense.

+ References

No definition available.

+ Details

Name:	suz_LeaseLiabilitiesAccrualOfFinancialCharges
Namespace Prefix:	suz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of additional lease liabilities.

+ References

No definition available.

+ Details

Name:	suz_LeaseLiabilitiesAddition
Namespace Prefix:	suz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of adjustment due to exchange rate variations relating to lease liabilities.

+ References

No definition available.

+ Details

Name:	suz_LeaseLiabilitiesExchangeRateVariation
Namespace Prefix:	suz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of payment relating to lease liabilities.

+ References

No definition available.

+ Details

Name:	suz_LeaseLiabilitiesPayments
Namespace Prefix:	suz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The decrease in lease liabilities due to write-offs.

+ References

No definition available.

+ Details

Name:	suz_LeaseLiabilitiesWriteOffs
Namespace Prefix:	suz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Lessee, Operating Leases, Changes in Lease Libilities [Line Items]

+ References

No definition available.

+ Details

Name:	suz_LesseeOperatingLeasesChangesInLeaseLibilitiesLineItems
Namespace Prefix:	suz_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of interest expense capitalized during the reporting period.

+ References

No definition available.

+ Details

Name:	suz_OperatingLeasesCapitalizedInterest
Namespace Prefix:	suz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=suz_LeasedAssetsLandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	suz_BalanceSheetLocationAxis=ifrs-full_BiologicalAssetsDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: