v3.26.1
POST-EMPLOYMENT BENEFIT - Employer contributions (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Pension Benefits    
Social Security Program R$ 25,225,213  
Estimated contribution R$ 26,576  
Weighted average duration of defined benefit obligation 7 years 2 months 1 day  
Parent Company    
Defined Pension Benefits    
Estimated contribution R$ 319,333  
Weighted average duration of defined benefit obligation 7 years 2 months 12 days  
CD Plan    
Defined Pension Benefits    
Contributions made by employer R$ 5,538 R$ 3,211
CD Plan | Parent Company    
Defined Pension Benefits    
Contributions made by employer 101,684 62,479
Pension plan    
Defined Pension Benefits    
Contributions made by employer 46,704 53,157
Pension plan | Parent Company    
Defined Pension Benefits    
Contributions made by employer 363,569 R$ 373,562
2026    
Defined Pension Benefits    
Social Security Program 2,771,503  
2027    
Defined Pension Benefits    
Social Security Program 2,526,661  
2028    
Defined Pension Benefits    
Social Security Program 2,298,920  
2029    
Defined Pension Benefits    
Social Security Program 2,087,285  
2030    
Defined Pension Benefits    
Social Security Program 2,522,521  
After 2030    
Defined Pension Benefits    
Social Security Program R$ 13,018,323