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Short-Term Borrowings - Schedule of Short-term Debt (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | ---
Short-term Debt [Line Items] |  |  |
Short-term borrowings | ¥ 3,121,000 | $ 489,800 | ¥ 1,234,522
Short Term Loan [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Short-term Bank Loans and Notes Payable | 630,000 | 98,861 | 449,649
Reversed Factoring Arrangements [Member] |  |  |
Short-term Debt [Line Items] |  |  |
Short-term Bank Loans and Notes Payable | 2,491,046 | 390,899 | 784,873
Short-term borrowings | ¥ 4,448,400 | $ 698,000 | ¥ 15,100

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