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Shareholders' equity and share-based payments - Dividend (Details) - € / shares
12 Months Ended
Feb. 07, 2023
Oct. 26, 2022
Jul. 27, 2022
Apr. 27, 2022
Dec. 31, 2022
Dividend          
Dividend for the 2022 fiscal year, to be submitted at shareholders' meeting (in Euros per share) € 2.81        
Final dividend proposed by Board of Directors (in Euros per share) € 0.74        
Dividend recognised (in Euros per share)   € 0.69 € 0.69 € 0.69  
Special interim dividend (in Euros per share)   € 1.00      
Ordinary dividend plus special dividend (in Euros per share)         € 3.81