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v3.25.1

Acquisitions - Additional information (Details) ¥ in Thousands, kr in Thousands |  |  |  |  |  | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2025 CNY (¥) | Jul. 31, 2024 CNY (¥) | May 20, 2024 CNY (¥) | Jan. 31, 2024 CNY (¥) | Jun. 30, 2023 CNY (¥) | Jun. 30, 2024 SEK (kr) | Jun. 30, 2024 CNY (¥) | Dec. 31, 2024 CNY (¥) | Jan. 30, 2024 | Dec. 31, 2023 CNY (¥) | Jun. 29, 2023
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | ¥ 491,226 |  | ¥ 268,469 |
Deferred Tax Liabilities, Net |  |  |  |  |  |  |  | 15,097 |  |  |
Suzhou Photon-Matrix |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Deferred Tax Liabilities, Net |  |  |  | ¥ 34,348 |  |  |  |  |  |  |
Developed technology |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | ¥ 138,569 |  |  |  | ¥ 138,569 |  | ¥ 0 |
Developed technology |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful life |  |  |  | 10 years |  |  |  | 10 years |  |  |
Suzhou Photon-Matrix |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  | 62.27% |  |  |  |  | 49.17% |  |
Hubei ECARX |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payable to acquire interest in subsidiary |  |  |  |  |  | kr 21,271 | ¥ 13,920 |  |  |  |
Hubei ECARX | Suzhou Photon-Matrix |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, interest percentage |  |  |  | 13.10% |  |  |  |  |  |  |
Asset acquisition, consideration transferred |  |  |  | ¥ 46,306 |  |  |  |  |  |  |
JICA |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payment to acquire business |  |  |  |  | ¥ 1,000 |  |  |  |  |  |
Consideration transferred, liabilities incurred |  |  |  |  |  |  |  | ¥ 265,667 |  |  |
Investment period |  |  |  |  | 3 years |  |  |  |  |  |
JICA | Hubei ECARX |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amount of cash consideration |  |  |  |  | ¥ 266,667 |  |  |  |  |  |
JICA | Hubei ECARX | JICA |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Controlling interest, percent |  |  |  |  |  | 70.00% | 70.00% |  |  |  |
JICA | JICA | Hubei ECARX |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity interest |  |  |  |  |  |  |  |  |  |  | 50.00%
JICA | Geely Auto | JICA | JICA |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  |  | 50.00%
Suzhou Photon-Matrix |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Fair value of derecognized investment |  |  |  | 34,829 |  |  |  |  |  |  |
Deferred Tax Liabilities, Net |  |  |  | ¥ 34,348 |  |  |  |  |  |  |
Suzhou Photon-Matrix | Hubei ECARX |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity interest percentage |  | 0.69% |  | 13.10% |  |  |  | 13.10% |  |  |
Dongjun Group |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amount of cash consideration |  |  | ¥ 23,500 |  |  |  |  |  |  |  |
Payment to acquire business |  | ¥ 11,750 |  | ¥ 11,750 |  |  |  |  |  |  |
Fair value of derecognized investment |  |  | ¥ 22,200 |  |  |  |  |  |  |  |
Equity interest percentage |  |  | 51.00% |  |  |  |  |  |  |  |
Gain on equity method investment derecognized |  |  | ¥ 1,174 |  |  |  |  |  |  |  |
Dongjun Group | Forecast |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Activity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payment to acquire business | ¥ 11,750 |  |  |  |  |  |  |  |  |  |

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