<?xml version='1.0' encoding='UTF-8'?>
<FilingSummary>
  <Version>3.2.0.727</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>496</ContextCount>
  <ElementCount>339</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>119</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>16</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - Consolidated Statements of Income (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ConsolidatedStatementsOfIncomeUnaudited</Role>
      <ShortName>Consolidated Statements of Income (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002000 - Statement - Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1003000 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/CondensedConsolidatedBalanceSheetsUnaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1003001 - Statement - Condensed Consolidated Balance Sheets Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/CondensedConsolidatedBalanceSheetsCondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1004000 - Statement - Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ConsolidatedStatementsOfCashFlowsUnaudited</Role>
      <ShortName>Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/BasisOfPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2102100 - Disclosure - Merger and Acquisition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/MergerAndAcquisition</Role>
      <ShortName>Merger and Acquisition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2103100 - Disclosure - Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/Segments</Role>
      <ShortName>Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - Recently Issued Accounting Standards</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RecentlyIssuedAccountingStandards</Role>
      <ShortName>Recently Issued Accounting Standards</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2106100 - Disclosure - Restructuring and Productivity Initiatives</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiatives</Role>
      <ShortName>Restructuring and Productivity Initiatives</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2107100 - Disclosure - Goodwill and Other Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssets</Role>
      <ShortName>Goodwill and Other Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2109100 - Disclosure - Employees' Stock Incentive Plans and Management Incentive Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlans</Role>
      <ShortName>Employees' Stock Incentive Plans and Management Incentive Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2110100 - Disclosure - Pensions and Other Postretirement Benefits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/PensionsAndOtherPostretirementBenefits</Role>
      <ShortName>Pensions and Other Postretirement Benefits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2111100 - Disclosure - Comprehensive Income/(Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLoss</Role>
      <ShortName>Comprehensive Income/(Loss)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2112100 - Disclosure - Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ChangesInEquity</Role>
      <ShortName>Changes in Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2113100 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2114100 - Disclosure - Redeemable Preferred Stock and Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RedeemablePreferredStockAndWarrants</Role>
      <ShortName>Redeemable Preferred Stock and Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2115100 - Disclosure - Financing Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/FinancingArrangements</Role>
      <ShortName>Financing Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2116100 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2117100 - Disclosure - Derivative Financial Instruments and Hedging Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivities</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2119100 - Disclosure - Venezuela - Foreign Currency and Inflation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/VenezuelaForeignCurrencyAndInflation</Role>
      <ShortName>Venezuela - Foreign Currency and Inflation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2121100 - Disclosure - Net Loss Per Common Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/NetLossPerCommonShare</Role>
      <ShortName>Net Loss Per Common Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2204201 - Disclosure - Recently Issued Accounting Standards Recently Issued Accounting Standards (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RecentlyIssuedAccountingStandardsRecentlyIssuedAccountingStandardsPolicies</Role>
      <ShortName>Recently Issued Accounting Standards Recently Issued Accounting Standards (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/RecentlyIssuedAccountingStandards</ParentRole>
      <Position>25</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2302301 - Disclosure - Merger and Acquisition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionTables</Role>
      <ShortName>Merger and Acquisition (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/MergerAndAcquisition</ParentRole>
      <Position>26</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2303301 - Disclosure - Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/SegmentsTables</Role>
      <ShortName>Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/Segments</ParentRole>
      <Position>27</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2306301 - Disclosure - Restructuring and Productivity Initiatives (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiativesTables</Role>
      <ShortName>Restructuring and Productivity Initiatives (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiatives</ParentRole>
      <Position>28</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2307301 - Disclosure - Goodwill and Other Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Other Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssets</ParentRole>
      <Position>29</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2309301 - Disclosure - Employees' Stock Incentive Plans and Management Incentive Plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansTables</Role>
      <ShortName>Employees' Stock Incentive Plans and Management Incentive Plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlans</ParentRole>
      <Position>30</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2310301 - Disclosure - Pensions and Other Postretirement Benefits (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/PensionsAndOtherPostretirementBenefitsTables</Role>
      <ShortName>Pensions and Other Postretirement Benefits (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/PensionsAndOtherPostretirementBenefits</ParentRole>
      <Position>31</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2311301 - Disclosure - Comprehensive Income/(Loss) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossTables</Role>
      <ShortName>Comprehensive Income/(Loss) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLoss</ParentRole>
      <Position>32</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2312301 - Disclosure - Changes in Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ChangesInEquityTables</Role>
      <ShortName>Changes in Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/ChangesInEquity</ParentRole>
      <Position>33</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2313301 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/Debt</ParentRole>
      <Position>34</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2316301 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/FairValueMeasurements</ParentRole>
      <Position>35</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2317301 - Disclosure - Derivative Financial Instruments and Hedging Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesTables</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivities</ParentRole>
      <Position>36</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2321301 - Disclosure - Net Loss Per Common Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/NetLossPerCommonShareTables</Role>
      <ShortName>Net Loss Per Common Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/NetLossPerCommonShare</ParentRole>
      <Position>37</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2401401 - Disclosure - Basis of Presentation Basis of Presentation (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/BasisOfPresentationBasisOfPresentationNarrativeDetails</Role>
      <ShortName>Basis of Presentation Basis of Presentation (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2402402 - Disclosure - Merger and Acquisition (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionNarrativeDetails</Role>
      <ShortName>Merger and Acquisition (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2402403 - Disclosure - Merger and Acquisition Merger and Acquisition (Pro Forma) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionMergerAndAcquisitionProFormaDetails</Role>
      <ShortName>Merger and Acquisition Merger and Acquisition (Pro Forma) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2402404 - Disclosure - Merger and Acquisition (Recognized Identified Assets Acquired and Liabilities Assumed) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedDetails</Role>
      <ShortName>Merger and Acquisition (Recognized Identified Assets Acquired and Liabilities Assumed) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2402405 - Disclosure - Merger and Acquisition (Indefinite-lived and Definite-lived Intangible Assets Acquired) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionIndefiniteLivedAndDefiniteLivedIntangibleAssetsAcquiredDetails</Role>
      <ShortName>Merger and Acquisition (Indefinite-lived and Definite-lived Intangible Assets Acquired) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/MergerAndAcquisitionTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2403402 - Disclosure - Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/SegmentsDetails</Role>
      <ShortName>Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/SegmentsTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - Restructuring and Productivity Initiatives (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiativesNarrativeDetails</Role>
      <ShortName>Restructuring and Productivity Initiatives (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiativesTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2406403 - Disclosure - Restructuring and Productivity Initiatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiativesDetails</Role>
      <ShortName>Restructuring and Productivity Initiatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/RestructuringAndProductivityInitiativesTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2407402 - Disclosure - Goodwill and Other Intangible Assets (Goodwill) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssetsGoodwillDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets (Goodwill) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssetsTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2407403 - Disclosure - Goodwill and Other Intangible Assets (Trademarks and Other Intangible Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssetsTrademarksAndOtherIntangibleAssetsDetails</Role>
      <ShortName>Goodwill and Other Intangible Assets (Trademarks and Other Intangible Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/GoodwillAndOtherIntangibleAssetsTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2408401 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/IncomeTaxes</ParentRole>
      <Position>48</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2409402 - Disclosure - Employees' Stock Incentive Plans and Management Incentive Plans (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansNarrativeDetails</Role>
      <ShortName>Employees' Stock Incentive Plans and Management Incentive Plans (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2409403 - Disclosure - Employees' Stock Incentive Plans and Management Incentive Plans (Compensation Costs Related to Equity Plans) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansCompensationCostsRelatedToEquityPlansDetails</Role>
      <ShortName>Employees' Stock Incentive Plans and Management Incentive Plans (Compensation Costs Related to Equity Plans) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2409404 - Disclosure - Employees' Stock Incentive Plans and Management Incentive Plans (Stock Option Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansStockOptionActivityDetails</Role>
      <ShortName>Employees' Stock Incentive Plans and Management Incentive Plans (Stock Option Activity) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/EmployeesStockIncentivePlansAndManagementIncentivePlansTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2410402 - Disclosure - Pensions and Other Postretirement Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/PensionsAndOtherPostretirementBenefitsDetails</Role>
      <ShortName>Pensions and Other Postretirement Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/PensionsAndOtherPostretirementBenefitsTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2411402 - Disclosure - Comprehensive Income/(Loss) Comprehensive Income/(Loss) (Summary of Allocation of Comprehensive Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossComprehensiveIncomelossSummaryOfAllocationOfComprehensiveIncomeDetails</Role>
      <ShortName>Comprehensive Income/(Loss) Comprehensive Income/(Loss) (Summary of Allocation of Comprehensive Income) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - Comprehensive Income/(Loss) (Tax (Expense)/Benefit on Comprehensive Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossTaxExpensebenefitOnComprehensiveIncomeDetails</Role>
      <ShortName>Comprehensive Income/(Loss) (Tax (Expense)/Benefit on Comprehensive Income) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2411404 - Disclosure - Comprehensive Income/(Loss) (Summary of Changes in AOCI) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossSummaryOfChangesInAociDetails</Role>
      <ShortName>Comprehensive Income/(Loss) (Summary of Changes in AOCI) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2411405 - Disclosure - Comprehensive Income/(Loss) (Summary of Reclassifications Out of AOCI) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossSummaryOfReclassificationsOutOfAociDetails</Role>
      <ShortName>Comprehensive Income/(Loss) (Summary of Reclassifications Out of AOCI) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/ComprehensiveIncomeLossTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2412402 - Disclosure - Changes in Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/ChangesInEquityDetails</Role>
      <ShortName>Changes in Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/ChangesInEquityTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2413402 - Disclosure - Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DebtDetails</Role>
      <ShortName>Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/DebtTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2413403 - Disclosure - Debt (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DebtNarrativeDetails</Role>
      <ShortName>Debt (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/DebtTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2414401 - Disclosure - Redeemable Preferred Stock and Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/RedeemablePreferredStockAndWarrantsDetails</Role>
      <ShortName>Redeemable Preferred Stock and Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/RedeemablePreferredStockAndWarrants</ParentRole>
      <Position>60</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2415401 - Disclosure - Financing Arrangements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/FinancingArrangementsDetails</Role>
      <ShortName>Financing Arrangements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/FinancingArrangements</ParentRole>
      <Position>61</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2416402 - Disclosure - Fair Value Measurements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/FairValueMeasurementsDetails</Role>
      <ShortName>Fair Value Measurements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2417402 - Disclosure - Derivative Financial Instruments and Hedging Activities (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesNarrativeDetails</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2417403 - Disclosure - Derivative Financial Instruments and Hedging Activities (Balance Sheet Captions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesBalanceSheetCaptionsDetails</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities (Balance Sheet Captions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2417404 - Disclosure - Derivative Financial Instruments and Hedging Activities (Consolidated Statements of Income) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesConsolidatedStatementsOfIncomeDetails</Role>
      <ShortName>Derivative Financial Instruments and Hedging Activities (Consolidated Statements of Income) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/DerivativeFinancialInstrumentsAndHedgingActivitiesTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2419401 - Disclosure - Venezuela - Foreign Currency and Inflation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/VenezuelaForeignCurrencyAndInflationDetails</Role>
      <ShortName>Venezuela - Foreign Currency and Inflation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/VenezuelaForeignCurrencyAndInflation</ParentRole>
      <Position>66</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2421402 - Disclosure - Net Loss Per Common Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kraftheinzcompany.com/role/NetLossPerCommonShareDetails</Role>
      <ShortName>Net Loss Per Common Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.kraftheinzcompany.com/role/NetLossPerCommonShareTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warn">In ''Derivative Financial Instruments and Hedging Activities (Narrative) (Details)'', the unit ordering JPY was detected in the presentation group. However, the ordering is incomplete since it does not order these units as well: number, eur, gbp, usd, cad. Therefore, this partial ordering will be ignored and the default unit ordering will be used, which is the order the units are given in the instance document.</Log>
    <Log type="Info">In ''Condensed Consolidated Balance Sheets (Unaudited)'', column(s) 3, 4, 5 are contained in other reports, so were removed by flow through suppression.</Log>
    <Log type="Info">In ''Consolidated Statements of Cash Flows (Unaudited)'', column(s) 1, 2 are contained in other reports, so were removed by flow through suppression.</Log>
  </Logs>
  <InputFiles>
    <File>khc-20150628.xml</File>
    <File>khc-20150628_cal.xml</File>
    <File>khc-20150628_def.xml</File>
    <File>khc-20150628_lab.xml</File>
    <File>khc-20150628_pre.xml</File>
    <File>khc-20150628.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies/>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>

