v3.26.1
PROVISIONS FOR LITIGATION AND CONTINGENT LIABILITIES - Possible losses paragraphs - Contingent liabilities (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2015
Contingent liabilities      
Estimate loss or value involved in the legal proceeding R$ 55,634,320 R$ 54,055,659  
Civil      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 16,481,664 15,831,744  
Labor      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 3,034,611 2,151,677  
Tax      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 16,572,932 16,732,259  
Environmental      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 1,391,436 2,498,018  
Regulatory      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 5,922,856 5,651,068  
Claim for alleged losses to end consumers (AXIA Energia Nordeste)      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 2,964,085 2,699,202 R$ 1,470,885
Tax Assessment Notice – PIS/COFINS (AXIA Energia)      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding 1,901,309 1,801,737  
Tax Assessment Notice – IOF (AXIA Energia)      
Contingent liabilities      
Estimate loss or value involved in the legal proceeding R$ 2,217,825 R$ 2,025,240