v3.26.1
Summary of significant transactions - Revised Fligotinib collaboration (Details) - Gilead - Filgotinib drug license
€ in Millions
Dec. 31, 2024
Dec. 31, 2023
EUR (€)
Oct. 29, 2023
Jan. 31, 2021
Summary Of Significant Transaction [line items]        
Total Amounts Received From Gilead In Previous Years   € 172.6    
Cost Share For Global Development Activities Terminated     50.00%  
Europe | Minimum        
Summary Of Significant Transaction [line items]        
Percentage of future net sales from 2024 8      
Europe | Maximum        
Summary Of Significant Transaction [line items]        
Percentage of future net sales from 2024 15      
Group B activities [Member]        
Summary Of Significant Transaction [line items]        
Cost Share For Global Development Activities       50.00%