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Warrant liabilities- ECARX Warrants in connection with the Merger (Details) - Level 3 - ECARX Private Warrants	Jun. 30, 2024	Jun. 30, 2024 decimal	Jun. 30, 2024 $ / shares	Jun. 30, 2024 ¥ / shares	Dec. 31, 2023	Dec. 31, 2023 decimal	Dec. 31, 2023 $ / shares	Dec. 31, 2023 ¥ / shares
Risk-free rate of return (%)
Warrant liabilities
Warrants measurement input	0.0447				0.0393
Volatility
Warrant liabilities
Warrants measurement input	0.4349				0.2950
Expected dividend yield
Warrant liabilities
Warrants measurement input	0.000				0
Fair value of the underlying ordinary shares (in USD or RMB per share)
Warrant liabilities
Warrants measurement input			2.06	14.97			3.16	22.44
Expected term
Warrant liabilities
Warrants measurement input		3.5				4

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+ References

No definition available.

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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