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Financial Assets At Amortized Cost - Disclosure Of Financial Assets At Amortized Cost (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities ¥ 5,123,589 ¥ 7,735,834
Less: Provision for impairment losses (1,338,976) (1,171,865)
Financial assets at amortized cost 3,784,613 6,563,969
Debt Investments [Member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities 5,002,174 7,641,846
Interest receivable [Member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities ¥ 121,415 ¥ 93,988