v3.26.1
Employment, Post-Employment Benefits and Share Compensation Plans - Status of the Share Compensation Plans (Details)
12 Months Ended
Dec. 31, 2025
EquityInstruments
€ / shares
shares
Dec. 31, 2024
EquityInstruments
€ / shares
shares
Dec. 31, 2023
EquityInstruments
€ / shares
shares
Employment, Post-Employment Benefits and Share Compensation Plans      
Weighted average exercise price, exercised | € / shares € 1 € 1  
Share Performance Awards and Restricted Share Awards Plans      
Employment, Post-Employment Benefits and Share Compensation Plans      
Share awards, Outstanding at beginning of the year 1,897,000 2,004,000 1,505,000
Share awards, granted 1,322,000 536,000 886,000
Share awards, adjustment based upon KPI target achievement 14,000 134,000 28,000
Share awards, exercised (225,000) (368,000) (233,000)
Share awards, forfeited (333,000) (392,000) (182,000)
Share awards, expired (18,000) (18,000)  
Share awards, Outstanding at end of the year 2,657,000 1,897,000 2,004,000
Weighted average exercise price, Outstanding at beginning of the year | € / shares € 1 € 1 € 1
Weighted average exercise price, granted | € / shares 1 1 1
Weighted average exercise price, adjustment based upon KPI target achievement | € / shares 1 1 1
Weighted average exercise price, exercised | € / shares 1 1 1
Weighted average exercise price, forfeited | € / shares 1 1 1
Weighted average exercise price, expired | € / shares 1 1 1
Weighted average exercise price, Outstanding at the end of the year | € / shares 1 1 1
Weighted average exercise price, Thereof exercisable | € / shares € 1 € 1 € 1
Number of shares issued on exercise of awards | shares 225,451 367,720 233,083
Share Performance Awards and Restricted Share Awards Plans | Management Board      
Employment, Post-Employment Benefits and Share Compensation Plans      
Share awards, granted 445,702 117,292 227,555
Share Performance Awards      
Employment, Post-Employment Benefits and Share Compensation Plans      
Weighted average share price | € / shares € 8.23 € 15.49 € 19.38
Restricted Share Units      
Employment, Post-Employment Benefits and Share Compensation Plans      
Share awards, Outstanding at beginning of the year 749,000 567,000  
Share awards, granted 1,105,000 592,000 603,000
Share awards, exercised (279,000) (161,000)  
Share awards, forfeited (311,000) (249,000) (36,000)
Share awards, Outstanding at end of the year 1,264,000 749,000 567,000