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Related Parties And Related Party Transactions - Additional Information (Detail)
¥ in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Disclosure of transactions between related parties [line items]        
Dividend paid | ¥ ¥ (7,628,573)   ¥ 0 ¥ 0
Ping An Insurance Company of ChinaLtd [member]        
Disclosure of transactions between related parties [line items]        
Refund amount after revision of existing contract | ¥ ¥ 440,000      
An Ke Technology Company Limited [member]        
Disclosure of transactions between related parties [line items]        
Dividend paid | $   $ 291    
Ping An Insurance Overseas (Holdings) Limited [member]        
Disclosure of transactions between related parties [line items]        
Dividend paid | $   $ 194