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Financial Assets At Amortized Cost - Disclosure Of Financial Assets At Amortized Cost (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities ¥ 6,594,786 ¥ 5,123,589
Less: Provision for impairment losses (1,878,338) (1,338,976)
Financial assets at amortized cost ¥ 4,716,448 ¥ 3,784,613
Expected credit loss rate 12.15% 7.12%
Parent [member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities ¥ 156,049 ¥ 8,854,330
Less: Provision for impairment losses (447) (7,707)
Financial assets at amortized cost 155,602 8,846,623
Debt Investments [Member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities 6,471,987 5,002,174
Loans to subsidiaries [member] | Parent [member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities 137,662 8,781,896
Interest receivable [Member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities 122,799 121,415
Interest receivable [Member] | Parent [member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Unlisted securities ¥ 18,387 ¥ 72,434
Financial assets at amortised cost, class [member]    
Disclosure Of Financial assets at amortized cost [Line Items]    
Expected credit loss rate 28.48% 26.13%