XML 124 R115.htm IDEA: XBRL DOCUMENT v3.25.3

Loans, financing and debentures - Roll-forward of loans, financing and debentures (Details) - BRL (R$) R$ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Disclosure of detailed information about borrowings [abstract]
Opening balance	R$ 101,435,531	R$ 77,172,692
Fundraising, net of issuance costs	22,324,556	15,692,905
Interest accrued	4,399,815	5,413,707
Monetary and exchange rate variation, net	(10,914,087)	17,728,324
Settlement of principal	(19,600,013)	(9,410,807)
Settlement of interest	(4,753,232)	(5,241,389)
Amortization of fundraising costs	75,916	80,099
Other Changes in Borrowings	(6,281)
Closing balance	R$ 92,962,205	R$ 101,435,531

X

- Definition

The amount of interest and other costs that an entity incurs in connection with the borrowing of funds.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

+ Details

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

X

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

Amortization of debt issuance costs.

+ References

No definition available.

+ Details

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

X

- Definition

The increase (decrease) in borrowings due to exchange differences on translation.

+ References

No definition available.

+ Details

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

X

- Definition

The increase (decrease) in borrowings due to interest costs paid.

+ References

No definition available.

+ Details

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

X

- Definition

New loans and financing during the period.

+ References

No definition available.

+ Details

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

X

- Definition

Other Changes in Borrowings - Loss on Liabilities versus Investments

+ References

No definition available.

+ Details

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

X

- Definition

The reduction in the carrying amount of debt due to repayments of principal during the period.

+ References

No definition available.

+ Details

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