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Loans To Customers - Summary of Loans To Customers (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Less: Provision for impairment losses        
Allowance account for credit losses of financial assets ¥ (639,501) ¥ (630,848) ¥ (688,378) ¥ (401,626)
Loans and advances to customers ¥ 211,446,645 ¥ 214,972,110    
Expected credit loss rate 12.15% 7.12%    
Loans and receivables, category [member]        
Disclosure of financial assets [line items]        
Interest receivable ¥ 2,002,926 ¥ 2,963,210    
Less: Provision for impairment losses        
Allowance account for credit losses of financial assets ¥ (7,062,978) ¥ (2,753,871)    
Expected credit loss rate 3.23% 1.26%    
Loans originated by consolidated trust plans [member] | Loans and receivables, category [member]        
Disclosure of financial assets [line items]        
Loans originated by microloan lending companies and consumer finance company ¥ 186,396,992 ¥ 202,175,185    
Loans originated by microloan lending companies and consumer finance company [member] | Loans and receivables, category [member]        
Disclosure of financial assets [line items]        
Loans originated by microloan lending companies and consumer finance company 30,109,705 12,587,586    
Financial instruments not credit-impaired [member] | 12-month expected credit losses [member] | Loans and receivables, category [member]        
Less: Provision for impairment losses        
Allowance account for credit losses of financial assets (4,481,912) (1,860,245)    
Financial instruments not credit-impaired [member] | Lifetime expected credit losses [member] | Loans and receivables, category [member]        
Less: Provision for impairment losses        
Allowance account for credit losses of financial assets (1,197,126) (312,280)    
Financial instruments credit-impaired [member] | Lifetime expected credit losses [member] | Loans and receivables, category [member]        
Less: Provision for impairment losses        
Allowance account for credit losses of financial assets ¥ (1,383,940) ¥ (581,346)