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Employee benefits plans (Tables)
12 Months Ended
Dec. 31, 2024
Disclosure of information about defined benefit plans [abstract]  
Disclosure of net defined benefit liability (asset) [text block]
12/31/202412/31/2023
Opening balance833,683 691,424 
Interest on actuarial liabilities73,853 67,272 
Current service cost1,997 1,959 
Actuarial loss – experience(125)57,765 
Actuarial loss (gain) – financial assumptions(137,649)70,762 
Benefits paid directly by entity(50,199)(55,499)
Closing balance721,560 833,683 
Disclosure of defined benefit plans [text block]
12/31/202412/31/2023
Economic
Nominal discount rate – medical assistance and life insurance
11.16% p.a.
9.14% p.a.
Medical cost growth rate
6.86% p.a.
6.86% p.a.
Nominal inflation
3.50% p.a.
3.50% p.a.
Aging factor
0 to 24 years: 1.50% p.a.
0 to 24 years: 1.50% p.a.
25 to 54 years: 2.50% p.a.
25 to 54 years: 2.50% p.a.
55 to 79 years: 4.50% p.a.
55 to 79 years: 4.50% p.a.
Above 80 years: 2.50% p.a.
Above 80 years: 2.50% p.a.
Biometric
Table of general mortalityAT-2000AT-2000
Table of mortality of disabled personsIAPB 57IAPB 57
Turnover
1.00% p.a.
1.00% p.a.
Other
Retirement age
65 years
65 years
Family composition
Men 4 years + older
Men 4 years + older
and 90% married
and 90% married
Permanency in the plan100%100%
Disclosure of sensitivity analysis for actuarial assumptions [text block]
The sensitivity analysis regarding the relevant assumptions of the plans show the impact on the liability balance:
Discount rateMedical costs growth rate
+0.50%691,494 +1.00%788,124 
Disclosure of information about maturity profile of defined benefit obligation [text block]
PaymentsMedical assistance and life insurance
202553,601 
202657,267 
202760,995 
202864,862 
202968,645 
2029 to 2034397,704