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Warrant liabilities, Government Warrants - ECARX Warrants in connection with the Merger (Details)
1 Months Ended
Dec. 31, 2022
decimal
Dec. 31, 2023
$ / shares
decimal
¥ / shares
shares
Dec. 31, 2022
$ / shares
Dec. 31, 2022
Dec. 31, 2022
¥ / shares
ECARX Warrants          
Warrant liabilities          
Number of warrants issued (in shares)   23,871,971      
ECARX Public Warrants          
Warrant liabilities          
Number of warrants issued (in shares)   14,999,971      
Number of days after the completion of the Merger for commencement of exercise of warrants 30 days        
Exercise price of warrants | $ / shares   $ 11.50      
Warrant term   5 years      
ECARX Private Warrants          
Warrant liabilities          
Number of warrants issued (in shares)   8,872,000      
Risk-free rate of return (%) | Level 3 | ECARX Private Warrants          
Warrant liabilities          
Warrants measurement input   0.0393   0.0399  
Volatility | Level 3 | ECARX Private Warrants          
Warrant liabilities          
Warrants measurement input   0.2950   0.0699  
Expected dividend yield | Level 3 | ECARX Private Warrants          
Warrant liabilities          
Warrants measurement input   0.000   0.000  
Expected term | Level 3 | ECARX Private Warrants          
Warrant liabilities          
Warrants measurement input | decimal 5.0 4.0      
Fair value of the underlying ordinary shares (in USD or RMB per share) | Level 3 | ECARX Private Warrants          
Warrant liabilities          
Warrants measurement input   22.44 7.99   55.11