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Cash and Cash Equivalents - Summary of Cash Flows, Cash and Cash Equivalents (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)
Cash and cash equivalents [abstract]
Cash at banks and on hand	¥ 3,730,372	$ 536,597	¥ 4,218,131
Short-term bank deposits	721,117	103,730	570,088
Cash and cash equivalents	¥ 4,451,489	$ 640,327	¥ 4,788,219	$ 688,764	¥ 5,877,647	¥ 5,753,268

X

- Definition

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

+ References

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents]

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