v3.25.4
CONTRACTUAL COMMITMENTS AND GUARANTEES - Guarantees (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Guarantee obligations    
Gurantee R$ 43,824,982  
Property, plant and equipment, pledged as security 9,675 R$ 29,414
Insurance of guarantee    
Guarantee obligations    
Gurantee [1] 30,925,675  
Letters of guarantee    
Guarantee obligations    
Gurantee [2] 9,884,006  
Judicial deposits and garnishments    
Guarantee obligations    
Gurantee 2,964,318  
Financial investments in guarantee of lawsuits    
Guarantee obligations    
Gurantee R$ 41,308  
[1] They refer to insurance amounts contracted to ensure the continuity of the discussion of legal proceedings (note 19).
[2] Includes R$4 billion was contracted related to the Self-Composition Agreement for the Adaptation of STFC Concession Contracts.