v3.26.1
POST-EMPLOYMENT BENEFIT - Fair value of plan assets (Details) - Present value of defined benefit obligation - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Health and life insurance plans    
Defined Pension Benefits    
Beginning Balance R$ 174,716 R$ 162,635
Benefits paid during the fiscal year (4,670) (9,183)
Gain/Loss on plan assets (107,647) 18,451
Closing Balance 94,934 174,716
Pension plan    
Defined Pension Benefits    
Beginning Balance 23,278,847 25,989,959
Benefits paid during the fiscal year (2,881,514) (2,910,322)
Participant contributions made during the financial year 43,876 9,592
Employer contributions paid during the fiscal year 465,254 441,038
Gain/Loss on plan assets 2,931,050 (251,420)
Closing Balance 23,837,513 23,278,847
Expected yield on plan assets R$ 2,596,753 R$ 2,253,077