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Fair value estimation - Additional Information (Detail) - Level 3 - CNY (¥) ¥ in Millions | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Disclosure of fair value measurement of assets [line items] |  |
Financial instruments acquired through business combination | ¥ 3.3 |
Change in fair value from remeasurement of financial assets through profit or loss | ¥ 1.2 | ¥ 1.8

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Change in fair value from remeasurement of financial assets through profit or loss. + References No definition available. + Details
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- Definition Financial instruments acquired through business combination. + References No definition available. + Details
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- Details
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