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Financial Instruments And Risks -- Summary of Impact to Profit/(Loss) Before Income Tax (Detail) - Discount rate, measurement input [member] - Unlisted Securities at Fair Value Through Profit or Loss [Member] - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items]      
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in profit or loss, before tax, assets ¥ (42,824) ¥ (42,509) ¥ (28,078)
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, recognised in profit or loss, before tax, assets ¥ 45,826 ¥ 45,553 ¥ 29,023