XML 514 R134.htm IDEA: XBRL DOCUMENT v3.24.0.1
Financial risk management - Financial Assets and Liabilities Fair Value disclosure (Details) - EUR (€)
€ in Millions
Dec. 31, 2023
Dec. 31, 2022
Derivative [Line Items]    
Derivative financial instruments € 31.1 € 17.3
Short-term investments 5.4 107.7
Derivative financial instruments 156.7 261.2
Fair value, recurring    
Derivative [Line Items]    
Derivative financial instruments 31.1 17.3
Money market funds 3,167.4 3,196.7
Short-term investments 5.4 107.7
Total 3,203.9 3,321.7
Derivative financial instruments 156.7 261.2
Loan receivable 776.1 307.9
Long-term debt 4,496.2 4,072.8
Level 1 | Fair value, recurring    
Derivative [Line Items]    
Derivative financial instruments 0.0 0.0
Money market funds 3,167.4 3,196.7
Short-term investments 0.0 0.0
Total 3,167.4 3,196.7
Derivative financial instruments 0.0 0.0
Loan receivable 0.0 0.0
Long-term debt 4,496.2 4,072.8
Level 2 | Fair value, recurring    
Derivative [Line Items]    
Derivative financial instruments 31.1 17.3
Money market funds 0.0 0.0
Short-term investments 5.4 107.7
Total 36.5 125.0
Derivative financial instruments 156.7 261.2
Loan receivable 0.0 0.0
Long-term debt 0.0 0.0
Level 3 | Fair value, recurring    
Derivative [Line Items]    
Derivative financial instruments 0.0 0.0
Money market funds 0.0 0.0
Short-term investments 0.0 0.0
Total 0.0 0.0
Derivative financial instruments 0.0 0.0
Loan receivable 776.1 307.9
Long-term debt € 0.0 € 0.0