v3.26.1
Share-based payments - Disclosure of fair value of the BSAs at grant date using the Black Scholes model (Details) - BSA-2026-1
3 Months Ended
Mar. 31, 2026
shares
€ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]  
FAIR VALUE OF THE UNDERLYING SHARE (in euro per share) € 99.63
NUMBER OF BSAs (in shares) | shares 23,477
SUBSCRIPTION PRICE (in euro per share) € 20.23
STRIKE PRICE PER SHARE (in euro per share) € 99.63
RISK FREE RATE 3.77%
VOLATILITY 99.33%
Minimum  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
FAIR VALUE OF THE BSA ( in euro per share) € 77.7
EXPECTED MATURITY 5 years 6 months
Maximum  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
FAIR VALUE OF THE BSA ( in euro per share) € 83.2
EXPECTED MATURITY 7 years