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v3.25.1

Short-term loans and current portion of long-term debt (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2024 USD ($)
Debt Instrument [Line Items] |  |  |
Total | ¥ 1,571,836 | ¥ 7,455,753 | $ 215,341
Unsecured bank loans [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Within 12 months | Within 12 months |
Amount of unsecured bank loans | ¥ 1,571,179 | ¥ 1,401,986 |
Unsecured bank loans [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Range | 2.70% | 3.26% | 2.70%
Unsecured bank loans [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Range | 2.30% | 3.00% | 2.30%
April 2026 Notes (Note 14) |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Range |  | 1.375% |
Maturity Date |  | Within 12 months |
Amount of long-term debt |  | ¥ 3,017,339 |
December 2026 Notes (Note 14) |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Range |  | 0.50% |
Maturity Date |  | Within 12 months |
Amount of long-term debt |  | ¥ 3,036,428 |
2027 Notes (Note 14) [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate Range | 1.25% |  | 1.25%
Maturity Date | Within 12 months |  |
Amount of long-term debt | ¥ 657 |  |

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