v3.26.1
Trade receivables (Details 3) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Trade Receivables      
Write-offs R$ (501,786) R$ (685,581)  
(Losses)/reversal with state entities - related parties 8,953 (1,208)  
(Losses)/reversal with the private sector/government entities 29,099 (41,793)  
Recoveries 401,667 170,793  
Amount recorded as expense (Note 31) R$ (62,067) R$ (557,789) R$ (652,920)