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v3.24.1

Warrant liabilities, Government Warrants - ECARX Warrants in connection with the Merger - Movements (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Warrant liabilities |  |  |  |
Liability at the beginning | ¥ 16,544 |  |  |
Liability at the end | 5,141 | $ 724 | ¥ 16,544 |
ECARX Warrants |  |  |  |
Warrant liabilities |  |  |  |
Liability at the beginning | 16,544 |  | 0 |
Addition RMB | 0 |  | 13,172 | ¥ 0
Change in fair value included in losses RMB | (11,719) |  | 3,245 |
Foreign exchange translation RMB | 316 |  | 127 | 0
Liability at the end | 5,141 |  | 16,544 | 0
ECARX Public Warrants |  |  |  |
Warrant liabilities |  |  |  |
Liability at the beginning | 10,346 |  | 0 |
Addition RMB | 0 |  | 8,277 |
Change in fair value included in losses RMB | (7,349) |  | 1,991 |
Foreign exchange translation RMB | 198 |  | 78 |
Liability at the end | 3,195 |  | 10,346 | 0
ECARX Private Warrants |  |  |  |
Warrant liabilities |  |  |  |
Liability at the beginning | 6,198 |  | 0 |
Addition RMB | 0 |  | 4,895 |
Change in fair value included in losses RMB | (4,370) |  | 1,254 |
Foreign exchange translation RMB | 118 |  | 49 |
Liability at the end | ¥ 1,946 |  | ¥ 6,198 | ¥ 0

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- Definition The amount of increase in warrants or rights outstanding, through additions. + References No definition available. + Details
Name: | exc_WarrantsAndRightsOutstandingAdditions
Namespace Prefix: | exc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of increase (decrease) in warrants or rights outstanding, through changes in fair value included in losses. + References No definition available. + Details
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Namespace Prefix: | exc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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X
- Definition The amount of increase (decrease) in warrants or rights outstanding, through differences from foreign exchange translation. + References No definition available. + Details
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Namespace Prefix: | exc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Details
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Namespace Prefix: |
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- Details
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- Details
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