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  <xsd:element abstract="true" id="mar_ContractAcquisitionCostsAndOtherMember" name="ContractAcquisitionCostsAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ContractServicesExcludingLoyaltyProgramMember" name="ContractServicesExcludingLoyaltyProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ContractwithCustomerLiabilityCumulativeCatchUpAdjustmentstoRevenueChangeinEstimateofTransactionPriceNetofTax" name="ContractwithCustomerLiabilityCumulativeCatchUpAdjustmentstoRevenueChangeinEstimateofTransactionPriceNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_CostsIncurredtoFulfillContractsMember" name="CostsIncurredtoFulfillContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_CostsIncurredtoObtainContractsMember" name="CostsIncurredtoObtainContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_DataSecurityIncidentMember" name="DataSecurityIncidentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_DataSecurityIncidentUKInformationCommissionersOfficeMember" name="DataSecurityIncidentUKInformationCommissionersOfficeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_DeferredTaxAssetsCustomerLoyaltyProgramLiability" name="DeferredTaxAssetsCustomerLoyaltyProgramLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_DeferredTaxAssetsLeasingArrangements" name="DeferredTaxAssetsLeasingArrangements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_DeferredTaxAssetsReceivablesNet" name="DeferredTaxAssetsReceivablesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_DeferredTaxAssetsTaxCreditCarryforwardsNotSubjectToExpiration" name="DeferredTaxAssetsTaxCreditCarryforwardsNotSubjectToExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_DeferredTaxAssetsTaxCreditCarryforwardsSubjectToExpiration" name="DeferredTaxAssetsTaxCreditCarryforwardsSubjectToExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_DeferredTaxLiabilitiesDeferredExpenseSelfInsurance" name="DeferredTaxLiabilitiesDeferredExpenseSelfInsurance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mar_DefinedContributionPlanPolicyPolicyTextBlock" name="DefinedContributionPlanPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_DepreciationAmortizationAndOther" name="DepreciationAmortizationAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_DepreciationAmortizationandOtherExcludingCapitalizedContractCostAmortization" name="DepreciationAmortizationandOtherExcludingCapitalizedContractCostAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_DisposalGroupIncludingDiscontinuedOperationNumberofPropertiesDisposed" name="DisposalGroupIncludingDiscontinuedOperationNumberofPropertiesDisposed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_DisposalGroupIncludingDiscontinuedOperationPercentageOwnership" name="DisposalGroupIncludingDiscontinuedOperationPercentageOwnership" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mar_DisposalGroupIncludingDiscontinuedOperationsExpensesPaidFromProceeds" name="DisposalGroupIncludingDiscontinuedOperationsExpensesPaidFromProceeds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_DisposalGroupIncludingDiscontinuedOperationsExpensesPaidFromProceedsNetofTax" name="DisposalGroupIncludingDiscontinuedOperationsExpensesPaidFromProceedsNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_DisposalGroupIncludingDiscontinuedOperationsProcurementContractTerm" name="DisposalGroupIncludingDiscontinuedOperationsProcurementContractTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_DisposalGroupNotDiscontinuedOperationsGainLossonDisposalNetofTax" name="DisposalGroupNotDiscontinuedOperationsGainLossonDisposalNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mar_EffectiveIncomeTaxRateReconciliationChangeinUncertainTaxPositionsPercent" name="EffectiveIncomeTaxRateReconciliationChangeinUncertainTaxPositionsPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ElegantHotelsGroupplcMember" name="ElegantHotelsGroupplcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_EquityMethodInvesteesBalanceSheetDataTableTextBlock" name="EquityMethodInvesteesBalanceSheetDataTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_EquityMethodInvesteesIncomeStatementDataTableTextBlock" name="EquityMethodInvesteesIncomeStatementDataTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_EquityMethodInvestmentNumberofInvestmentsDisposed" name="EquityMethodInvestmentNumberofInvestmentsDisposed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_FeeServiceMember" name="FeeServiceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_FinancialInstrumentsAssetsNoncurrent" name="FinancialInstrumentsAssetsNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_FinancialInstrumentsLiabilitiesNoncurrent" name="FinancialInstrumentsLiabilitiesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mar_GuaranteeObligationTerm" name="GuaranteeObligationTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_GuaranteeOperatingProfitMember" name="GuaranteeOperatingProfitMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_HostHotelsResortsIncMember" name="HostHotelsResortsIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_HostPartnershipsMember" name="HostPartnershipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_IncomeLossFromEquityMethodInvestmentDisposalGroupNotDiscontinuedOperationGainLossonDisposal" name="IncomeLossFromEquityMethodInvestmentDisposalGroupNotDiscontinuedOperationGainLossonDisposal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mar_IncomeStatementDataResultingFromRelatedPartyTransactionsTableTextBlock" name="IncomeStatementDataResultingFromRelatedPartyTransactionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_IncreaseDecreaseInWorkingCapital" name="IncreaseDecreaseInWorkingCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_IncreaseDecreaseinCapitalizedContractCostsNet" name="IncreaseDecreaseinCapitalizedContractCostsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_IncreaseDecreaseinContractwithCustomerLiabilityCash" name="IncreaseDecreaseinContractwithCustomerLiabilityCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_InformationTechnologyHardwareSoftwareAccountingFinanceandMaintenanceServicesMember" name="InformationTechnologyHardwareSoftwareAccountingFinanceandMaintenanceServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_InternationalOperationsMember" name="InternationalOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_IssuesExpectedtoResolveinNextTwelveMonthsMember" name="IssuesExpectedtoResolveinNextTwelveMonthsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_IssuesinAppealsMember" name="IssuesinAppealsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_JWMFamilyEnterpriseL.P.Member" name="JWMFamilyEnterpriseL.P.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_JWMarriottMexicoCityMember" name="JWMarriottMexicoCityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_LeaseWeightedAverageDiscountRatePercentAbstract" name="LeaseWeightedAverageDiscountRatePercentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_LeaseWeightedAverageRemainingLeaseTermAbstract" name="LeaseWeightedAverageRemainingLeaseTermAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_LegacyStarwoodOfficeBuildingMember" name="LegacyStarwoodOfficeBuildingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_LesseeOperatingAndFinanceLeaseNumberofRenewals" name="LesseeOperatingAndFinanceLeaseNumberofRenewals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="mar_LesseeOperatingAndFinanceLeaseRenewalTerm" name="LesseeOperatingAndFinanceLeaseRenewalTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_LesseeOperatingAndFinanceLeaseTermOfContract" name="LesseeOperatingAndFinanceLeaseTermOfContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_LesseeOperatingandFinanceLeaseLeaseNotCommencedTermofContract" name="LesseeOperatingandFinanceLeaseLeaseNotCommencedTermofContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_LossContingenciesBySecondaryNatureOfContingencyAxis" name="LossContingenciesBySecondaryNatureOfContingencyAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_LossContingenciesBySecondaryNatureOfContingencyDomain" name="LossContingenciesBySecondaryNatureOfContingencyDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_LossContingencyDomicileofLitigationNumberofStatesorProvinces" name="LossContingencyDomicileofLitigationNumberofStatesorProvinces" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mar_LoyaltyProgramMember" name="LoyaltyProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ManagementandFranchiseContractsMember" name="ManagementandFranchiseContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_MiddleEastAndAfricaMember" name="MiddleEastAndAfricaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_NoncashIncomeTaxExpense" name="NoncashIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_NorthAmericanFullServiceSegmentMember" name="NorthAmericanFullServiceSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_NorthAmericanLimitedServiceSegmentMember" name="NorthAmericanLimitedServiceSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_NotYetInEffectConditionMember" name="NotYetInEffectConditionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_NotesReceivableFuturePrincipalPaymentsReceivableAfterYearFive" name="NotesReceivableFuturePrincipalPaymentsReceivableAfterYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableFuturePrincipalPaymentsReceivableCurrent" name="NotesReceivableFuturePrincipalPaymentsReceivableCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableFuturePrincipalPaymentsReceivableInFiveYears" name="NotesReceivableFuturePrincipalPaymentsReceivableInFiveYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableFuturePrincipalPaymentsReceivableInFourYears" name="NotesReceivableFuturePrincipalPaymentsReceivableInFourYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableFuturePrincipalPaymentsReceivableInThreeYears" name="NotesReceivableFuturePrincipalPaymentsReceivableInThreeYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableFuturePrincipalPaymentsReceivableInTwoYears" name="NotesReceivableFuturePrincipalPaymentsReceivableInTwoYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableInterestRateStatedPercentageRateRangeMaximum" name="NotesReceivableInterestRateStatedPercentageRateRangeMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableInterestRateStatedPercentageRateRangeMinimum" name="NotesReceivableInterestRateStatedPercentageRateRangeMinimum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mar_NotesReceivableWeightedAverageInterestRate" name="NotesReceivableWeightedAverageInterestRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mar_NumberOfCustomerOwnedOrLeasedLodgingPropertiesManaged" name="NumberOfCustomerOwnedOrLeasedLodgingPropertiesManaged" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="mar_OperatingLossCarryforwardsTaxableIncomeReduction" name="OperatingLossCarryforwardsTaxableIncomeReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mar_OtherComprehensiveIncomeLossForeignCurrencyTranslationAndTranslationGainLossBeforeReclassificationAndTaxIntraEntityForeignCurrencyTransactionsLongTermInvestmentNature" name="OtherComprehensiveIncomeLossForeignCurrencyTranslationAndTranslationGainLossBeforeReclassificationAndTaxIntraEntityForeignCurrencyTransactionsLongTermInvestmentNature" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_OtherInternationalSegmentsMember" name="OtherInternationalSegmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_OtherLocationsMember" name="OtherLocationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_OtherLongtermDebtMember" name="OtherLongtermDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_OwnedLeasedandOtherMember" name="OwnedLeasedandOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_PaymentsForLoanAdvances" name="PaymentsForLoanAdvances" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mar_PaymentsforAssetAcquisitionGross" name="PaymentsforAssetAcquisitionGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mar_PaymentsforAssetAcquisitions" name="PaymentsforAssetAcquisitions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_PerformanceBasedRestrictedStockUnitsRSUsMember" name="PerformanceBasedRestrictedStockUnitsRSUsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ProceedsFromRepaymentsOfCommercialPaperAndLongTermLinesOfCredit" name="ProceedsFromRepaymentsOfCommercialPaperAndLongTermLinesOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_ProceedsfromInsuranceRecoveries" name="ProceedsfromInsuranceRecoveries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_PutativeClassActionLawsuitsRelatedtoDataSecurityIncidentMember" name="PutativeClassActionLawsuitsRelatedtoDataSecurityIncidentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ReconciliationOfCapitalizedExpendituresfromSegmenttoConsolidatedTableTextBlock" name="ReconciliationOfCapitalizedExpendituresfromSegmenttoConsolidatedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ReconciliationOfDepreciationandAmortizationfromSegmentstoConsolidatedTableTextBlock" name="ReconciliationOfDepreciationandAmortizationfromSegmentstoConsolidatedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ReimbursedCostsMember" name="ReimbursedCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ReimbursementsMember" name="ReimbursementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_RelationshipWithMajorCustomerDisclosureAbstract" name="RelationshipWithMajorCustomerDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_RelationshipWithMajorCustomerTextBlock" name="RelationshipWithMajorCustomerTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_RenaissanceNewYorkTimesSquareHotelMember" name="RenaissanceNewYorkTimesSquareHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_RevenuesGrossofCapitalizedContractCostAmortization" name="RevenuesGrossofCapitalizedContractCostAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_RightOrObligationToInvestAxis" name="RightOrObligationToInvestAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_RightOrObligationToInvestDomain" name="RightOrObligationToInvestDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_RightofUseAssetObtainedinExchangeforLeaseLiabilityAbstract" name="RightofUseAssetObtainedinExchangeforLeaseLiabilityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_RitzCarltonTorontoMember" name="RitzCarltonTorontoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ScheduleOfAdditionalInformationOnRestrictedStockUnitsTableTextBlock" name="ScheduleOfAdditionalInformationOnRestrictedStockUnitsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ScheduleofAssetAcquisitionLineItems" name="ScheduleofAssetAcquisitionLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_ScheduleofAssetAcquisitionTable" name="ScheduleofAssetAcquisitionTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ScheduleofLesseeLeasesTermsTableTextBlock" name="ScheduleofLesseeLeasesTermsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_SelfInsurancePolicyTextBlock" name="SelfInsurancePolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_SelfInsuranceProjectedSettlementDiscountRate" name="SelfInsuranceProjectedSettlementDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mar_SeriesAANotesMember" name="SeriesAANotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesBBNotesMember" name="SeriesBBNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesBBandSeriesCCNotesMember" name="SeriesBBandSeriesCCNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesCCNotesMember" name="SeriesCCNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesDDNotesMember" name="SeriesDDNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesKSeniorNotesMember" name="SeriesKSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesLSeniorNotesMember" name="SeriesLSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesMSeniorNotesMember" name="SeriesMSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesNSeniorNotesMember" name="SeriesNSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesOSeniorNotesMember" name="SeriesOSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesPSeniorNotesMember" name="SeriesPSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesQNotesMember" name="SeriesQNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesRNotesMember" name="SeriesRNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesTNotesMember" name="SeriesTNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesUNotesMember" name="SeriesUNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesVNotesMember" name="SeriesVNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesWNotesMember" name="SeriesWNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesXNotesMember" name="SeriesXNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesYNotesMember" name="SeriesYNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SeriesZNotesMember" name="SeriesZNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedAndDistributedIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedAndDistributedIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_SharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognized" name="SharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mar_ShareholderDerivativeComplaintsRelatedtoDataSecurityIncidentMember" name="ShareholderDerivativeComplaintsRelatedtoDataSecurityIncidentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SheratonGrandChicagoHotelMember" name="SheratonGrandChicagoHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SheratonGrandPhoenixMember" name="SheratonGrandPhoenixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_St.RegisNewYorkandTheSheratonGatewayHotelMember" name="St.RegisNewYorkandTheSheratonGatewayHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_SuretyBonds" name="SuretyBonds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mar_SwissFederalTaxAdministrationInlandRevenueAuthorityofSingaporeandLuxembourgInlandRevenueMember" name="SwissFederalTaxAdministrationInlandRevenueAuthorityofSingaporeandLuxembourgInlandRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_TaxCutsandJobsActIncompleteAccountingChangeinTaxRateProvisionalIncomeTaxExpenseBenefit" name="TaxCutsandJobsActIncompleteAccountingChangeinTaxRateProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mar_TaxCutsandJobsActTransitionTaxIncomeTaxExpenseBenefit" name="TaxCutsandJobsActTransitionTaxIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_TheSheratonBuenosAiresHotelConventionCenterandParkTowerandALuxuryCollectionHotelBuenosAiresMember" name="TheSheratonBuenosAiresHotelConventionCenterandParkTowerandALuxuryCollectionHotelBuenosAiresMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_TheTremontChicagoHotelatMagnificentMileandLeCentreSheratonMontrealHotelMember" name="TheTremontChicagoHotelatMagnificentMileandLeCentreSheratonMontrealHotelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_TheWestinDenarauIslandResortandTheSheratonFijiResortMember" name="TheWestinDenarauIslandResortandTheSheratonFijiResortMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mar_ValuationOfIntangiblesAndLongLivedAssetsPolicyTextBlock" name="ValuationOfIntangiblesAndLongLivedAssetsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mar_WNewYorkUnionSquareMember" name="WNewYorkUnionSquareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>
