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INTANGIBLE (Tables)
 12 Months Ended
Dec. 31, 2024
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
12/31/202412/31/2023
Goodwill - Facepa119,332 119,332 
Goodwill - Fibria7,897,051 7,897,051 
Goodwill - MMC Brasil (1)
170,859 170,859 
Other (2)
5,097 4,834 
8,192,339 8,192,076
(1)Refers to the goodwill of the MMC Brasil business combination.
(2)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$/t)684.9
Net average pulp price – Internal market (US$/t)735.5
Average exchange rate (R$/US$)5.40
Discount rate (pos-tax)
8.91% p.a.
Discount rate (pre-tax)
12.50% p.a.
Schedule of intangible assets with determined useful life
16.2 Intangible assets with limited useful lives
12/31/202412/31/2023
Opening balance6,557,009 7,173,183 
Additions161,779 104,931 
Fair value adjustment MMC Brasil  189,655 
Write-offs (2)
Amortization(1,008,824)(990,432)
Transfers and others 79,674 
Closing balance5,709,964 6,557,009
Represented byAverage rate %
Non-competition agreements5.00 4,508 4,818 
Port concessions3.94 632,253 537,179 
Lease agreements16.90  6,875 
Supplier agreements12.66 25,925 40,739 
Port service contracts4.23 520,459 549,821 
Cultivars14.28 20,391 40,784 
Trademarks and patents8.35 170,306 188,723 
Customer portfolio9.09 4,104,900 4,925,879 
Supplier agreements17.64 295 10,861 
Software20.80 201,476 141,178 
Other10.00 29,451 110,152 
5,709,964 6,557,009
Cost12,540,497 12,378,761 
Amortization(6,830,533)(5,821,752)
Closing balance5,709,964 6,557,009