v3.25.1
Share-based compensation - Geely Auto Share Incentive Plan - Service-based options - Assumptions (Details) - Employee Stock Option
12 Months Ended
Dec. 31, 2023
$ / shares
Dec. 31, 2021
$ / shares
Share-based compensation    
Grant date fair value of the underlying share (HKD per share) $ 9.34 $ 31.2
Exercise price (HKD per share) $ 9.56 $ 32.7
Expected term 8 years 7 years
Expected volatility 46.20% 48.66%
Expected dividend yield 1.49% 2.00%
Risk free rate 3.74% 0.55%
Exercise multiple 1.5 2.8
Expected forfeit rate 7.00% 8.30%