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Convertible redeemable preferred shares - Accounting for preferred shares (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Convertible redeemable preferred shares |  |  |  |
Accretion of preferred shares | ¥ 660,070 | ¥ 509,281 |  | ¥ 329,737
Issuance costs for preferred shares | ¥ 0 | ¥ 19,549 | ¥ 0 |

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- Definition Value of accretion of temporary equity to its redemption value during the period. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The amount of issuance costs of temporary equity. + References No definition available. + Details
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