v3.25.4
Intangible (Tables)
12 Months Ended
Dec. 31, 2025
Disclosure of detailed information about intangible assets [abstract]  
Schedule of goodwill and intangible assets with indefinite useful life
16.1 Goodwill and intangible assets with indefinite useful lives
12/31/202512/31/2024
Goodwill - Facepa (Tissue plant in Belém/PA)119,332 119,332 
Goodwill - Fibria7,897,051 7,897,051 
Goodwill - MMC Brasil (Tissue plant in Mogi das Cruzes/SP)170,859 170,859 
Other (1)
5,097 5,097 
8,192,339 8,192,339 
(1)Refers to other intangible assets with indefinite useful lives such as servitude of passage and electricity.
Summary of assumptions used in valuation of cash-generating units
The assumptions in the table set forth below were also adopted:
Net average pulp price – Foreign market (US$/t)634.3
Net average pulp price – Internal market (US$/t)681.4
Average exchange rate (R$/US$)5.46
Discount rate (pos-tax)
8.87% p.a.
Discount rate (pre-tax)
12.30% p.a.
Schedule of intangible assets with determined useful life
16.2 Intangible assets with limited useful lives
12/31/202512/31/2024
Opening balance5,709,964 6,557,009 
Additions82,492 161,779 
Write-offs(3,015) 
Amortization(1,011,088)(1,008,824)
Closing balance4,778,353 5,709,964 
Represented byAverage annual rate %
Non-competition agreements  4,508 
Port concessions3.94 621,842 632,253 
Supplier agreements12.70 11,111 25,925 
Port service contracts4.26 491,094 520,459 
Cultivars  20,391 
Trademarks and patents8.14 154,846 170,306 
Customer portfolio9.10 3,283,919 4,104,900 
Software25.45 206,635 201,476 
Other10.00 8,906 29,746 
4,778,353 5,709,964 
Cost12,617,166 12,540,497 
Amortization(7,838,813)(6,830,533)
Closing balance4,778,353 5,709,964