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Trade and Other Receivables - Additional Information (Detail)
¥ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Disclosure of trade and other receivables [line items]      
Outstanding bills receivable discounted with banks by retaining recourse obligation ¥ 1,659.4 $ 233.6 ¥ 936.9
Outstanding bills receivable endorsed to suppliers with recourse obligation ¥ 1,629.8 $ 229.4 ¥ 1,032.1
Top of range [member]      
Disclosure of trade and other receivables [line items]      
Trade receivables payment terms 90 days    
Bills receivables discounted maturity period 12 months    
Bottom of range [member]      
Disclosure of trade and other receivables [line items]      
Trade receivables payment terms 60 days