v3.26.1
SUPPLEMENTARY PENSION PLANS (Details 1) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
(iv) Financed position:    
Remeasurement effects recognized in Other Comprehensive Income R$ 54,773 R$ 87,297
Retirement Benefits [Member]    
(i) Projected benefit obligations:    
Cost of current service 327 1,179
Interest cost 258,434 249,162
Participant’s contribution 467 465
Actuarial gain/(loss) (1) (11,271) (218,019)
Transfers (278)
Past service cost - plan changes (18,286)
Early elimination of obligations (1,284)
Benefit paid (262,798) (269,280)
(ii) Plan assets at fair value:    
Expected earnings 245,129 214,092
Actuarial gain/(loss) (1) (98,294) (125,943)
Contributions received:    
- Employer 56,179 195,343
- Employees 467 465
Transfers (134)
Early elimination of obligations
Benefit paid (262,288) (269,281)
(iii) Changes in the unrecoverable surplus:    
At the beginning of the year 62,210 57,939
Interest on the irrecoverable surplus 6,642 5,471
Change in irrecoverable surplus (1) 986 (1,200)
At the end of the year 69,838 62,210
(iv) Financed position:    
Deficit plans (2) 235,869 202,561
Net balance 235,869 202,561
Other Post Employment Benefits [Member]    
(i) Projected benefit obligations:    
Cost of current service
Interest cost 83,635 78,223
Participant’s contribution
Actuarial gain/(loss) (1) 10,232 (65,504)
Transfers
Past service cost - plan changes
Early elimination of obligations
Benefit paid (52,264) (50,341)
(ii) Plan assets at fair value:    
Expected earnings
Actuarial gain/(loss) (1)
Contributions received:    
- Employer
- Employees
Transfers
Early elimination of obligations
Benefit paid
(iii) Changes in the unrecoverable surplus:    
At the beginning of the year
Interest on the irrecoverable surplus
Change in irrecoverable surplus (1)
At the end of the year
(iv) Financed position:    
Deficit plans (2) 861,328 819,725
Net balance R$ 861,328 R$ 819,725