v3.25.2
Share-based Compensation - HUTCHMED Share Option Scheme (Details) - HUTCHMED Share Option Scheme
6 Months Ended
Jun. 30, 2025
shares
Share-based Compensation  
Aggregate number of shares issuable 40,183,238
Number of shares authorized but unissued 627,888,530
Maximum  
Share-based Compensation  
Expiry period 10 years
Four-year awards  
Share-based Compensation  
Vesting period 4 years
Vesting percentage upon first anniversary 25.00%
Annual vesting percentage after the first anniversary 25.00%