v3.26.1
Personnel Expenses (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Details of personnel expenses by function:      
Personnel expenses € 2,170 € 2,051 € 2,086
Details by nature:      
Wages and salaries 1,753 1,667 1,698
Contributions to pension plans 44 42 43
Other social charges 38 34 31
Social security 335 308 314
Total personnel expenses 2,170 2,051 € 2,086
Restructuring and Related Cost, Number of Position Eliminated     8.00%
Severance expense 8 14 € 75
Cost of sales      
Details of personnel expenses by function:      
Personnel expenses 1,444 1,373 1,384
Details by nature:      
Total personnel expenses 1,444 1,373 1,384
Research and development      
Details of personnel expenses by function:      
Personnel expenses 195 181 173
Details by nature:      
Total personnel expenses 195 181 173
Selling, general and administration expenses      
Details of personnel expenses by function:      
Personnel expenses 531 497 529
Details by nature:      
Total personnel expenses € 531 € 497 € 529