v3.25.1
Post-employment Benefits - Actuarial assumptions (Details)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Post-employment Benefits    
Actuarial assumption of retirement age 65 years  
Discount rate (as a percent) 10.50% 10.40%
Salary increase (as a percent) 5.20% 5.20%
Inflation rate (as a percent) 3.70% 3.70%