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v3.25.2

Financial instruments - Fair value settled amounts (Details) - BRL (R$) R$ in Thousands | 3 Months Ended | 6 Months Ended
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Mar. 31, 2025 | Jun. 30, 2025
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | R$ (550,581) | R$ 279,281
Operational Hedge |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 650,845 | (19,102)
Commodity Hedge |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 89,327 | 5,495
Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | (1,290,753) | 292,888
Zero cost collar (R$ x U.S.$) | Operational Hedge |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 645,759 | (102)
NDF (R$ x US$) | Operational Hedge |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | (68,695) | (19,000)
NDF (CNY x US$) | Operational Hedge |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 73,781 |
Swap VLSFO/other | Commodity Hedge |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 89,327 | 5,495
Swap CDI x Fixed (US$) | Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | (1,635,058) | 198,033
Swap IPCA x CDI (notional in Brazilian Reais) | Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | (59,243) | (125,029)
Swap Pre-Fixed to US$ | Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | (221,462) |
Swap SOFR x SOFR (US$) | Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 2,199 | 1,504
Swap SOFR x Fixed (US$) | Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | 19,074 | 79,748
Swap SOFR x Fixed (US$) | Debt hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Proceeds From (Payments For) Derivative Instrument, Settlement | R$ 603,737 | R$ 138,632

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