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Restricted Net Assets - Additional Information (Detail) ¥ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($)
Restricted Net Assets [Abstract] |  |  |
Percentage of net after-tax income of Group's subsidiary and VIE required to be annually appropriated to the statutory general reserve fund | 10.00% |  |
Limit of statutory reserve fund as a percentage of registered capital, after which allocations to statutory reserve fund are no longer required | 50.00% |  |
Amounts restricted including paid in capital and statutory reserve funds | ¥ 6,259 | ¥ 6,301 | $ 989

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- Definition A percentage of net after-tax income to be annually appropriated to the statutory general reserve fund as required by PRC law. + References No definition available. + Details
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- Definition The top line of statutory general reserve fund. + References No definition available. + Details
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- Definition Restricted net assets. + References No definition available. + Details
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- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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