v3.26.1
Dividend per ordinary share - Schedule of dividends to shareholders of the parent (Details) - EUR (€)
€ / shares in Units, € in Millions
1 Months Ended 6 Months Ended 12 Months Ended
Apr. 24, 2026
Apr. 14, 2026
Apr. 30, 2026
Oct. 31, 2025
Aug. 31, 2025
May 31, 2025
Aug. 31, 2024
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Dividend Per Ordinary Share [Abstract]                    
Dividend per ordinary share paid (in EUR per share) € 0.736   € 0.736   € 0.350 € 0.710 € 0.350      
Dividends per ordinary share (in EUR per share)   € 1.086   € 0.172       € 0.400 € 1.086 € 1.060
Dividends paid     € 2,116   € 1,039 € 2,152 € 1,129      
Dividends               € 1,168 € 3,155 € 3,281
Dividend declared               € 1,168