v3.26.1
Income taxes - Deferred taxes (Details) - BRL (R$)
Jun. 30, 2026
Dec. 31, 2025
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Non-current assets R$ 122,709,000 R$ 1,504,014,000
Non-current liabilities 1,642,469,000
Derivative, passive temporary difference 4,047,493,000 3,065,768,000
Derivative, asset temporary difference 2,909,421,000 3,001,133,000
Lease, passive temporary difference 5,215,078,000 1,767,605,000
Lease, asset temporary difference 5,720,911,000 2,309,036,000
Total deferred tax assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 6,474,550,000 7,908,648,000
Tax loss carried forward    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 1,191,234,000 982,480,000
Negative tax basis of social contribution carried forward    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 464,036,000 381,600,000
Provision for judicial liabilities    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 276,203,000 269,757,000
Operating provisions    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 443,875,000 559,288,000
Provisions for other losses    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 618,907,000 619,567,000
Employee benefit plans    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 256,151,000 251,990,000
Exchange rate variations    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 1,886,733,000 3,443,822,000
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 620,112,000 620,973,000
Unrealized profit on inventories    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 211,466,000 237,740,000
Leases (1)    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 505,833,000 541,431,000
Total deferred tax liabilities    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 7,994,310,000 6,404,634,000
Goodwill - Tax benefit on unamortized goodwill    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 2,020,207,000 1,878,119,000
Property, plant and equipment - deemed cost    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 974,519,000 985,901,000
Depreciation for tax-incentive reason    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 636,857,000 668,603,000
Capitalized loan costs    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 896,149,000 937,829,000
Fair value of biological assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 1,649,769,000 1,425,535,000
Deferred taxes, net of fair value adjustment    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 308,540,000 313,464,000
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 102,580,000 115,003,000
Derivatives gains ("MtM")    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 1,138,072,000 66,308,000
Provision of deferred taxes on results of subsidiaries abroad    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities 253,272,000
Other temporary differences    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities R$ 14,345,000 R$ 13,872,000