v3.26.1
POST-EMPLOYMENT BENEFIT - Sensitivity analysis (Details) - Pension benefit plans
R$ in Thousands
Dec. 31, 2025
BRL (R$)
Sensitivity analysis  
Decrease in defined benefit obligation R$ 1,985,928
Increase in defined benefit obligation (1,717,306)
Wages growth  
Sensitivity analysis  
Decrease in defined benefit obligation (12,481,640)
Increase in defined benefit obligation R$ 0
Actuarial assumption of discount rates [member]  
Sensitivity analysis  
Rate increase (as a percent) 1.00%
Rate decrease (as a percent) 1.00%