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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

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
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