<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>404</ContextCount>
  <ElementCount>354</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>80</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>75010 - Statement - Condensed Consolidated Statements of Income (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfIncomeUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Income (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>75020 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Income (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>75030 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>75040 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsUnaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>75050 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsUnauditedParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>75060 - Statement - Condensed Consolidated Statements of Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/StatementCondensedConsolidatedStatementsOfEquityUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Equity (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>75070 - Statement - Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/StatementCondensedConsolidatedStatementsOfEquityUnauditedParenthetical</Role>
      <ShortName>Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995455 - Disclosure - Description of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureDescriptionOfBusiness</Role>
      <ShortName>Description of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995465 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureBasisOfPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995475 - Disclosure - Business Acquisitions and Equity Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureBusinessAcquisitionsAndEquityInvestments1</Role>
      <ShortName>Business Acquisitions and Equity Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995485 - Disclosure - Revenue Recognition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureRevenueRecognition</Role>
      <ShortName>Revenue Recognition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995495 - Disclosure - Earnings Per Common Share ("EPS")</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEarningsPerCommonShareEPS</Role>
      <ShortName>Earnings Per Common Share ("EPS")</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995505 - Disclosure - Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEquity</Role>
      <ShortName>Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995515 - Disclosure - Supplemental Balance Sheet Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformation</Role>
      <ShortName>Supplemental Balance Sheet Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995525 - Disclosure - Goodwill and Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssets</Role>
      <ShortName>Goodwill and Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995535 - Disclosure - Short-term Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureShorttermBorrowings</Role>
      <ShortName>Short-term Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995545 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995555 - Disclosure - Fair Value Measurements and Disclosures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsAndDisclosures</Role>
      <ShortName>Fair Value Measurements and Disclosures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995565 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995575 - Disclosure - Segment Reporting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSegmentReporting</Role>
      <ShortName>Segment Reporting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995585 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureContingencies</Role>
      <ShortName>Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995595 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995605 - Disclosure - Basis of Presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureBasisOfPresentationPolicies</Role>
      <ShortName>Basis of Presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995615 - Disclosure - Business Acquisitions and Equity Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureBusinessAcquisitionsAndEquityInvestmentsTables</Role>
      <ShortName>Business Acquisitions and Equity Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/DisclosureBusinessAcquisitionsAndEquityInvestments1</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995625 - Disclosure - Revenue Recognition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureRevenueRecognitionTables</Role>
      <ShortName>Revenue Recognition (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureRevenueRecognition</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995635 - Disclosure - Earnings Per Common Share ("EPS") (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEarningsPerCommonShareEPSTables</Role>
      <ShortName>Earnings Per Common Share ("EPS") (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEarningsPerCommonShareEPS</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995645 - Disclosure - Supplemental Balance Sheet Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformationTables</Role>
      <ShortName>Supplemental Balance Sheet Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformation</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995655 - Disclosure - Goodwill and Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssets</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995665 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeases</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995675 - Disclosure - Fair Value Measurements and Disclosures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsAndDisclosuresTables</Role>
      <ShortName>Fair Value Measurements and Disclosures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsAndDisclosures</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995685 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxes</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995695 - Disclosure - Segment Reporting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSegmentReportingTables</Role>
      <ShortName>Segment Reporting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSegmentReporting</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995705 - Disclosure - Description of Business - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureDescriptionOfBusinessNarrativeDetails</Role>
      <ShortName>Description of Business - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995725 - Disclosure - Business Acquisitions and Equity Investments - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureBusinessAcquisitionsAndEquityInvestmentsNarrativeDetails</Role>
      <ShortName>Business Acquisitions and Equity Investments - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995735 - Disclosure - Business Acquisitions and Equity Investments - Summary of Pre-tax Gains or Losses in Investment in Equity Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureBusinessAcquisitionsAndEquityInvestmentsSummaryOfPretaxGainsOrLossesInInvestmentInEquitySecuritiesDetails</Role>
      <ShortName>Business Acquisitions and Equity Investments - Summary of Pre-tax Gains or Losses in Investment in Equity Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995745 - Disclosure - Revenue Recognition - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureRevenueRecognitionNarrativeDetails</Role>
      <ShortName>Revenue Recognition - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995755 - Disclosure - Revenue Recognition - Schedule of Disaggregation of Revenue by Types of Arrangements and Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureRevenueRecognitionScheduleOfDisaggregationOfRevenueByTypesOfArrangementsAndSegmentsDetails</Role>
      <ShortName>Revenue Recognition - Schedule of Disaggregation of Revenue by Types of Arrangements and Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995765 - Disclosure - Revenue Recognition - Contract Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureRevenueRecognitionContractLiabilitiesDetails</Role>
      <ShortName>Revenue Recognition - Contract Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995775 - Disclosure - Earnings Per Common Share ("EPS") (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEarningsPerCommonShareEPSDetails</Role>
      <ShortName>Earnings Per Common Share ("EPS") (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEarningsPerCommonShareEPSTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995795 - Disclosure - Equity - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureEquityNarrativeDetails</Role>
      <ShortName>Equity - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995805 - Disclosure - Supplemental Balance Sheet Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformationDetails</Role>
      <ShortName>Supplemental Balance Sheet Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformationTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995815 - Disclosure - Supplemental Balance Sheet Information (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformationDetails1</Role>
      <ShortName>Supplemental Balance Sheet Information (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSupplementalBalanceSheetInformationTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995825 - Disclosure - Goodwill and Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsDetails</Role>
      <ShortName>Goodwill and Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995835 - Disclosure - Goodwill and Intangible Assets (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsDetails1</Role>
      <ShortName>Goodwill and Intangible Assets (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995845 - Disclosure - Goodwill and Intangible Assets - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsNarrativeDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995855 - Disclosure - Short-term Borrowings - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureShorttermBorrowingsNarrativeDetails</Role>
      <ShortName>Short-term Borrowings - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995865 - Disclosure - Leases - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesNarrativeDetails</Role>
      <ShortName>Leases - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995875 - Disclosure - Leases - Summary of Supplemental Balance Sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesSummaryOfSupplementalBalanceSheetDetails</Role>
      <ShortName>Leases - Summary of Supplemental Balance Sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>995885 - Disclosure - Leases - Summary of Lease Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesSummaryOfLeaseCostDetails</Role>
      <ShortName>Leases - Summary of Lease Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>995905 - Disclosure - Leases - Schedule of Supplemental Cash Flow Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesScheduleOfSupplementalCashFlowInformationDetails</Role>
      <ShortName>Leases - Schedule of Supplemental Cash Flow Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>995915 - Disclosure - Leases - Schedule of Supplemental Cash Flow Information (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureLeasesScheduleOfSupplementalCashFlowInformationParentheticalDetails</Role>
      <ShortName>Leases - Schedule of Supplemental Cash Flow Information (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>995925 - Disclosure - Leases - Schedule of Lease Term and Discount Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesScheduleOfLeaseTermAndDiscountRateDetails</Role>
      <ShortName>Leases - Schedule of Lease Term and Discount Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>995935 - Disclosure - Leases - Summary of Maturities of Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureLeasesSummaryOfMaturitiesOfLeaseLiabilitiesDetails</Role>
      <ShortName>Leases - Summary of Maturities of Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>995955 - Disclosure - Fair Value Measurements and Disclosures - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsAndDisclosuresNarrativeDetails</Role>
      <ShortName>Fair Value Measurements and Disclosures - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>995965 - Disclosure - Fair Value Measurements and Disclosures - Assets Measured on Recurring Basis or Disclosed at Fair Value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureFairValueMeasurementsAndDisclosuresAssetsMeasuredOnRecurringBasisOrDisclosedAtFairValueDetails</Role>
      <ShortName>Fair Value Measurements and Disclosures - Assets Measured on Recurring Basis or Disclosed at Fair Value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>995975 - Disclosure - Fair Value Measurements and Disclosures - Schedule of Amounts Recognized From Non-recurring Fair Value Measurements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureFairValueMeasurementsAndDisclosuresScheduleOfAmountsRecognizedFromNonrecurringFairValueMeasurementsDetails</Role>
      <ShortName>Fair Value Measurements and Disclosures - Schedule of Amounts Recognized From Non-recurring Fair Value Measurements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>995985 - Disclosure - Fair Value Measurements and Disclosures - Schedule of Amounts Recognized From Non-recurring Fair Value Measurements (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureFairValueMeasurementsAndDisclosuresScheduleOfAmountsRecognizedFromNonrecurringFairValueMeasurementsParentheticalDetails</Role>
      <ShortName>Fair Value Measurements and Disclosures - Schedule of Amounts Recognized From Non-recurring Fair Value Measurements (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>995995 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureIncomeTaxesTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996005 - Disclosure - Income Taxes - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/DisclosureIncomeTaxesNarrativeDetails</Role>
      <ShortName>Income Taxes - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996015 - Disclosure - Segment Reporting - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSegmentReportingNarrativeDetails</Role>
      <ShortName>Segment Reporting - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996025 - Disclosure - Segment Reporting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSegmentReportingDetails</Role>
      <ShortName>Segment Reporting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSegmentReportingTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996035 - Disclosure - Contingencies - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureContingenciesNarrativeDetails</Role>
      <ShortName>Contingencies - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="yumc-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996045 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.yumchina.com/20260630/taxonomy/role/Role_DisclosureSubsequentEvents</ParentRole>
      <Position>66</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="yumc-20260630.htm">yumc-20260630.htm</File>
    <File>yumc-20260630.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2026</BaseTaxonomy>
    <BaseTaxonomy items="1292">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="38">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
