v3.26.1
PROPERTY, PLANT AND EQUIPMENT - Items pledged as collateral (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about property, plant and equipment [abstract]    
Disclosure of Property, Plant and Equipment Pledged as Collateral
On December 31, 2025, property, plant and equipment items pledged as collateral, consisting mainly of the units of Ribas do Rio Pardo, Três Lagoas and Imperatriz are set forth below:
Type of collateral12/31/202512/31/2024
Land
Financial/Legal
25,562 
24,427 
Buildings
Financial
1,719,004 
1,755,082 
Machinery, equipment and facilities
Financial
19,437,703 
20,442,189 
Work in progress
Financial
339,063 
427,998 
Other
Financial
48,475 
43,487 
21,569,807 
22,693,183 
  
Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]    
Property, plant and equipment, pledged as security R$ 21,569,807 R$ 22,693,183
Land    
Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]    
Property, plant and equipment, pledged as security 25,562 24,427
Buildings    
Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]    
Property, plant and equipment, pledged as security 1,719,004 1,755,082
Machinery, equipment and facilities    
Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]    
Property, plant and equipment, pledged as security 19,437,703 20,442,189
Work in progress    
Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]    
Property, plant and equipment, pledged as security 339,063 427,998
Other    
Disclosure of Property, Plant and Equipment Pledged as Collateral [Line Items]    
Property, plant and equipment, pledged as security R$ 48,475 R$ 43,487