v3.26.1
Intangible (Tables)
6 Months Ended
Jun. 30, 2026
Disclosure of detailed information about intangible assets [abstract]  
Schedule of goodwill and intangible assets with indefinite useful life
06/30/202612/31/2025
Goodwill - Facepa (Tissue plant in Belém/PA)
119,332 
119,332 
Goodwill - Fibria (Pulp Mills)
7,897,051 
7,897,051 
Goodwill - MMC Brasil (Tissue plant in Mogi das Cruzes/SP)
170,859 
170,859 
Other (1)
5,100 
5,097 
8,192,342 
8,192,339 
(1)Refers to other intangible assets with indefinite useful lives such as servitude of passage and electricity.
Schedule of intangible assets with determined useful life
06/30/202612/31/2025
Opening balance
4,778,353 
5,709,964 
Additions
71,385 
82,492 
Write-offs
(36)
(3,015)
Amortization
(507,777)
(1,011,088)
Closing balance
4,341,925 
4,778,353 
Represented by
Average annual rate %
Port concessions
3.94 
605,494 
621,842 
Supplier agreements
12.70 
3,704 
11,111 
Port service contracts
4.26 
476,416 
491,094 
Trademarks and patents
8.14 
147,380 
154,846 
Customer portfolio
9.10 
2,873,430 
3,283,919 
Software
25.45 
227,397 
206,635 
Other
10.00 
8,104 
8,906 
4,341,925 
4,778,353 
Cost
11,965,804 
12,617,166 
Amortization
(7,623,879)
(7,838,813)
Closing balance
4,341,925 
4,778,353