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Contract Liabilities - Summary of Contract Liabilities (Detail)
¥ in Thousands, $ in Thousands
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Disclosure of contract liabilities [line items]      
Contract liabilities ¥ 642,432 $ 101,615 ¥ 935,462
Current 573,259 90,674 868,193
Non-current 69,173 10,941 67,269
Unfulfilled service-type maintenance services [member]      
Disclosure of contract liabilities [line items]      
Contract liabilities 209,773 33,180 179,723
Advance from customer [member]      
Disclosure of contract liabilities [line items]      
Contract liabilities ¥ 432,659 $ 68,435 ¥ 755,739