XML 93 R84.htm IDEA: XBRL DOCUMENT
v3.25.2

Financial instruments - Outstanding assets and liabilities derivatives positions (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2025 | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |  |
Fair value in R$ |  | R$ (494,493) | R$ (6,567,720)
Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Fair value in R$ |  | (873,360) | (1,843,085)
Operational Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Fair value in R$ |  | 297,769 | (4,660,846)
Commodity Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Fair value in R$ |  | 81,098 | (63,789)
Zero cost collar (U.S.$ x R$) | Operational Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 6,844,400 | 6,852,200
Fair value in R$ |  | 290,364 | (4,328,970)
Zero cost collar (U.S.$ x R$) | Commodity Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 306,998 | 163,941
Fair value in R$ |  | (13,579) | 6,097
NDF (R$ x US$) | Operational Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 90,000 | 581,000
Fair value in R$ |  | 7,419 | (331,876)
Swap US$ e US-CPI (1) | Commodity Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 138,182 | 138,439
Fair value in R$ |  | 94,560 | (80,759)
Swap VLSFO/Brent | Commodity Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 13,518 | 39,706
Fair value in R$ |  | 117 | 10,873
NDF (CNY x US$) | Operational Hedge |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount | R$ 1,500 |  |
Fair value in R$ | R$ (14) |  |
Derivative Assets | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Fair value in R$ |  | 3,744,385 | 3,594,291
Derivative Assets | Swap CDI x Fixed (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 5,672,695 | 4,748,394
Fair value in R$ |  | 1,343,712 | 1,482,759
Derivative Assets | Swap SOFR x Fixed (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 1,576,482 | 1,973,705
Fair value in R$ |  | 263,803 | 424,824
Derivative Assets | Swap IPCA x CDI (notional in Brazilian Reais) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 8,508,353 | 8,382,699
Fair value in R$ |  | 877,583 | 927,586
Derivative Assets | Swap CDI x SOFR (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 3,260,425 | 3,117,625
Fair value in R$ |  | 872,515 | 754,173
Derivative Assets | Swap SOFR x SOFR (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  |  | 150,961
Fair value in R$ |  |  | 4,949
Derivative Assets | Swap CNY to Fixed | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 1,200,000 | 1,200,000
Fair value in R$ |  | 31,144 |
Derivative Assets | Pre-fixed Swap to CDI US$ | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 2,700,000 |
Fair value in R$ |  | 355,628 |
Derivative Liabilities | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Fair value in R$ |  | (4,617,745) | (5,437,376)
Derivative Liabilities | Swap CDI x Fixed (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 1,084,612 | 909,612
Fair value in R$ |  | (1,695,150) | (2,259,020)
Derivative Liabilities | Swap SOFR x Fixed (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 1,576,482 | 1,973,705
Fair value in R$ |  | (151,664) | (30,695)
Derivative Liabilities | Swap IPCA x CDI (notional in Brazilian Reais) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 8,011,292 | 8,128,395
Fair value in R$ |  | (1,394,614) | (1,753,485)
Derivative Liabilities | Swap CDI x SOFR (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 635,171 | 610,171
Fair value in R$ |  | (1,036,655) | (1,344,937)
Derivative Liabilities | Swap SOFR x SOFR (US$) | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  |  | 150,961
Fair value in R$ |  |  | (42,799)
Derivative Liabilities | Swap CNY to Fixed | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 165,815 | 165,815
Fair value in R$ |  | (31,455) | R$ (6,440)
Derivative Liabilities | Pre-fixed Swap to CDI US$ | Debt hedges |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Notional amount |  | 2,700,000 |
Fair value in R$ |  | R$ (308,207) |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References No definition available. + Details
Name: | suz_DerivativeFairValueAssetLiabilityNet
Namespace Prefix: | suz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=ifrs-full_FairValueHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=suz_OperationalHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=suz_IfrsCommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_ZeroCostCollarU.s.dollarToReaisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_NonDeliverableForwardBrazilianReaisToUSDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapUsCommodityPriceIndexStandingWoodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapVLSFOBrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_NDFCNYXUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=suz_DerivativeAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapVariableLocalInterbankDepositCertificateRateToFixedRateUSDollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapSOFRToFixedUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapConsumerPriceIndexToVariableLocalInterbankDepositCertificateRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapCDIXSOFRUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapSOFRToSOFRUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_SwapCNYToFixedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_HedgingInstrumentsAxis=suz_PreFixedSwapToCDIUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=suz_DerivativeFinancialLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |