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Trade and Other Receivables - Additional Information (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Disclosure of trade and other receivables [line items]      
Outstanding bills receivable discounted with banks by retaining recourse obligation ¥ 936,900 $ 134,800 ¥ 79,100
Outstanding bills receivable endorsed to suppliers with recourse obligation 1,032,100 148,500 2,550,000
Gross trade receivables 1,549,462 222,883 364,445
Dongfeng companies [member]      
Disclosure of trade and other receivables [line items]      
Gross trade receivables ¥ 662,700 $ 95,300 ¥ 29,200
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