v3.25.4
Segment information - Adjustment to EBITDA (Details) - BRL (R$)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Notes and other explanatory information [abstract]      
Gain on fair value adjustments (Note 29) R$ 1,516,458,000 R$ 1,431,530,000 R$ 1,989,831,000
Loss from associates and joint ventures (409,212,000) (13,845,000) (19,379,000)
Impairment loss (reversal of impairment loss) recognised in profit or loss 88,871,000    
Income from disposal and write-off of non-current assets 386,396,000 169,284,000 232,143,000
Provision/(reversals) for losses on ICMS credits (note 9.1) 193,152,000 130,726,000 348,628,000
Expenses on Asset Acquisition and Business Combinations (82,426,000) (34,065,000) (25,171,000)
Write-off of wood inventory (78,203,000) (11,930,000) (22,998,000)
Restructuring expenses (59,725,000) (1,205,000) (8,974,000)
Other 8,526,000 4,588,000 68,110,000
Adjustments to EBITDA R$ 209,947,000 R$ 1,065,887,000 R$ (1,264,428,000)