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Income taxes - Deferred taxes (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Non-current assets | R$ 7,984,015 | R$ 545,213
Non-current liabilities | 12,596 | 11,377
Derivative, passive temporary difference | 1,321,614 | 1,506,354
Derivative, asset temporary difference | 3,552,449 | 828,264
Lease, passive temporary difference | 1,763,847 | 1,766,776
Lease, asset temporary difference | 2,370,791 | 2,122,886
Total deferred tax assets |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 14,124,914 | 6,752,162
Tax loss |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 796,831 | 1,209,968
Negative tax basis of social contribution |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 307,143 | 457,030
Provision for judicial liabilities |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 324,873 | 324,158
Operating provisions and other losses |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 1,308,352 | 1,214,807
Exchange rate variations |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 7,385,034 | 2,384,153
Derivatives losses (“MtM”)(2) |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 2,230,835 |
Amortization of fair value adjustments arising from business combinations |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 625,745 | 654,358
Unrealized profit on inventories |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 539,157 | 151,578
Leases |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax assets | 606,944 | 356,110
Total deferred tax liabilities |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 6,153,495 | 6,218,326
Goodwill - Tax benefit on unamortized goodwill |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 1,589,887 | 1,301,654
Property, plant and equipment - deemed cost |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 1,066,883 | 1,137,483
Depreciation for tax-incentive reason |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 733,640 | 799,857
Capitalized loan costs |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 947,482 | 640,063
Fair value of biological assets |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 1,317,095 | 1,115,432
Deferred taxes, net of fair value adjustment |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 342,141 | 370,947
Tax credits - gains from tax lawsuit (exclusion of ICMS from the PIS and COFINS basis) |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | 137,928 | 150,691
Derivatives gains ("MtM") |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities |  | 678,090
Other temporary differences |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Deferred tax liabilities | R$ 18,439 | R$ 24,109

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