v3.25.4
Share-based Payment - Summary of Fair Values for Warrant Grants (Detail) - Warrants [member]
12 Months Ended
Dec. 31, 2025
yr
€ / shares
Dec. 31, 2024
yr
€ / shares
Dec. 31, 2023
yr
€ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Expected life of warrants (years) | yr 6 6 6
Weighted average exercise price € 148.06 € 122.48 € 91.07
Bottom of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Expected volatility 49.00% 50.00% 49.00%
Risk-free interest rate 2.00% 1.71% 2.40%
Fair value of warrants granted in the year € 56.45 € 50.86 € 37.34
Top of range [member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Expected volatility     51.00%
Risk-free interest rate 2.32% 2.57% 2.97%
Fair value of warrants granted in the year € 87.55 € 70.39 € 52.03