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Share based payments - Overview (Details)
1 Months Ended 6 Months Ended
Jun. 30, 2024
USD ($)
EquityInstruments
Y
$ / shares
Apr. 30, 2024
Y
EquityInstruments
$ / shares
Jun. 30, 2024
USD ($)
EquityInstruments
Y
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options granted | EquityInstruments 660,166 42,243 660,166
Average Fair value of options $ 158.50    
Share price 437.41    
Exercise price $ 445.76 $ 396.30 $ 445.76
Expected volatility 35.17%    
Average Expected option life (in years) | Y 5.34    
Risk-free interest rate 2.87%    
Belgian taxed beneficiaries      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options granted | EquityInstruments     188,606
Minimum      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Average Fair value of options   112.14  
Share price   $ 365.56  
Expected volatility   35.53%  
Average Expected option life (in years) | Y   4.30 4.16
Risk-free interest rate   2.66%  
Time period for beneficiaries to choose contractual term 5 years    
Minimum | Belgian taxed beneficiaries      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Time period for beneficiaries to choose contractual term 5 years    
Fair value of options | $ $ 137,630   $ 137,630
Maximum      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Average Fair value of options   $ 156.49  
Share price   $ 396.30  
Expected volatility   39.04%  
Average Expected option life (in years) | Y 6.35 6.49  
Risk-free interest rate   3.02%  
Time period for beneficiaries to choose contractual term 10 years    
Maximum | Belgian taxed beneficiaries      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Time period for beneficiaries to choose contractual term 10 years    
Fair value of options | $ $ 174,780   $ 174,780