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Related Party Transactions - Schedule Of Related Party Balances (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
Related Party Transaction [Line Items] |  |  |
Short-term Debt | ¥ 1,348,166 | $ 211,557 | ¥ 278,488
Short-term Debt, Current | 1,348,166 | 211,557 | ¥ 278,488
Kingsoft Group [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Short-term Debt | ¥ 500,000 | $ 78,461 |
Short-term Debt, Percentage Bearing Fixed Interest Rate | 4.65% | 4.65% |
Short-term Debt, Terms | November 2022 |  |
Short-term Debt, Current | ¥ 500,000 | $ 78,461 |
Xiaomi Group [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Short-term Debt | 236,206 | 37,066 |
Short-term Debt, Current | 236,206 | 37,066 |
Short-term Debt, Non Current | ¥ 472,882 | $ 74,206 |
Related party transaction, Terms and manner of settlement | 3 |  |
Xiaomi Group [Member] | Weighted Average [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related party transaction, Rate | 4.36% |  |

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- Definition Description of the short-term debt arrangement, and disclosures pertaining to the underlying arrangements, including repayment terms, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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