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Trade and Other Payables - Summary of Trade and Other Current Payables (Parenthetical) (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Disclosure Of Detailed Information About Trade And Other Payables [line items]      
Bills payable ¥ 3,248,066 $ 457,242 ¥ 2,356,574
Bottom of range [member]      
Disclosure Of Detailed Information About Trade And Other Payables [line items]      
Trade payables settlement term 60 days    
Top of range [member]      
Disclosure Of Detailed Information About Trade And Other Payables [line items]      
Trade payables settlement term 90 days    
Joint ventures [member]      
Disclosure Of Detailed Information About Trade And Other Payables [line items]      
Bills payable ¥ 4,000 600 36,300
Other related parties [member]      
Disclosure Of Detailed Information About Trade And Other Payables [line items]      
Bills payable ¥ 435,300 $ 61,300 ¥ 192,600