v3.25.4
Equity - Transactions related to treasury shares (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Equity [Line Items]      
Share-based compensation plans € 159 € 101 € 91
Total shareholders' equity      
Equity [Line Items]      
Share-based compensation plans 159 101 91
Treasury shares      
Equity [Line Items]      
Share-based compensation plans 113 54 54
Share-based compensation      
Equity [Line Items]      
Share-based compensation plans 85 65 61
Purchase of treasury shares (60) (36) (29)
Share-based compensation cost 141 96 88
Income tax 4 5 2
Retained earnings      
Equity [Line Items]      
Share-based compensation plans € (39) € (18) € (24)