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  <xs:element id="wmb_ImpairmentOrWriteOffOfCertainAssetsMember" abstract="true" name="ImpairmentOrWriteOffOfCertainAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_PropertyPlantAndEquipmentNetAndIntangibleAssetsNetOfAccumulatedAmortizationMember" abstract="true" name="PropertyPlantAndEquipmentNetAndIntangibleAssetsNetOfAccumulatedAmortizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_FairValueAssetsMeasuredOnNonrecurringBasisAbstract" abstract="true" name="FairValueAssetsMeasuredOnNonrecurringBasisAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wmb_PropertyPlantAndEquipmentAndIntangiblesFairValueDisclosure" abstract="false" name="PropertyPlantAndEquipmentAndIntangiblesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wmb_InvestmentsFairValueInputs" abstract="false" name="InvestmentsFairValueInputs" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wmb_SharePriceChange" abstract="false" name="SharePriceChange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wmb_SaleOfNGLAndRelatedProductsAndServicesMember" abstract="true" name="SaleOfNGLAndRelatedProductsAndServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_TransportationOfNaturalGasAndRelatedProductsMember" abstract="true" name="TransportationOfNaturalGasAndRelatedProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_MarketingOfNaturalGasAndNGLsMember" abstract="true" name="MarketingOfNaturalGasAndNGLsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_AccountsReceivableRelatedToContractsWithCustomersMember" abstract="true" name="AccountsReceivableRelatedToContractsWithCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_DerivativeReceivablesMember" abstract="true" name="DerivativeReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_OtherReceivableMember" abstract="true" name="OtherReceivableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_DominionEnergyIncMember" abstract="true" name="DominionEnergyIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_PugetSoundEnergyIncMember" abstract="true" name="PugetSoundEnergyIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_NorthwestNaturalGasCompanyMember" abstract="true" name="NorthwestNaturalGasCompanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_CascadeNaturalGasCorporationMember" abstract="true" name="CascadeNaturalGasCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_CommodityDerivativeContractRiskAxis" abstract="true" name="CommodityDerivativeContractRiskAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wmb_CommodityDerivativeContractRiskDomain" abstract="true" name="CommodityDerivativeContractRiskDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_IndexRiskMember" abstract="true" name="IndexRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_CentralHubRiskMember" abstract="true" name="CentralHubRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_BasisRiskMember" abstract="true" name="BasisRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_DerivativeNonmonetaryNotionalAmountNetLongShortPositionVolume" abstract="false" name="DerivativeNonmonetaryNotionalAmountNetLongShortPositionVolume" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:energyItemType"/>
  <xs:element id="wmb_GasPipelineMember" abstract="true" name="GasPipelineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_RecoverableThroughRatesMember" abstract="true" name="RecoverableThroughRatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_NaturalGasUnderGroundStorageFacilitiesMember" abstract="true" name="NaturalGasUnderGroundStorageFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_FormerOperationsMember" abstract="true" name="FormerOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_ConstructionProjectMember" abstract="true" name="ConstructionProjectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_PotentiallyResponsiblePartyAtVariousSuperfundAndStateWasteDisposalSitesMember" abstract="true" name="PotentiallyResponsiblePartyAtVariousSuperfundAndStateWasteDisposalSitesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_LossContingencyExpectedRecoveryPercentage" abstract="false" name="LossContingencyExpectedRecoveryPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wmb_UnrecordedEstimatedRecoveriesForEnvironmentalLossContingencies" abstract="false" name="UnrecordedEstimatedRecoveriesForEnvironmentalLossContingencies" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wmb_UnrecordedUnconditionalPurchaseObligationPercentOfProduction" abstract="false" name="UnrecordedUnconditionalPurchaseObligationPercentOfProduction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="wmb_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_CustomerAxisAxis" abstract="true" name="CustomerAxisAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wmb_CustomerDomainDomain" abstract="true" name="CustomerDomainDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_ExternalCustomerMember" abstract="true" name="ExternalCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_InternalCustomerMember" abstract="true" name="InternalCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_CustomerAxisDomain" abstract="true" name="CustomerAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_StatusOfGainLossAxis" abstract="true" name="StatusOfGainLossAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wmb_StatusOfGainLossDomain" abstract="true" name="StatusOfGainLossDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_RealizedGainLossMember" abstract="true" name="RealizedGainLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_UnrealizedGainLossMember" abstract="true" name="UnrealizedGainLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wmb_OtherFinancialInformationAbstract" abstract="true" name="OtherFinancialInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wmb_ProductCostsAndNetRealizedProcessingCommodityExpenses" abstract="false" name="ProductCostsAndNetRealizedProcessingCommodityExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wmb_OperatingAndAdministrativeExpenses" abstract="false" name="OperatingAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wmb_OtherSegmentIncomeExpensesNet" abstract="false" name="OtherSegmentIncomeExpensesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wmb_ProportionalModifiedEBITDAEquityMethodInvestments" abstract="false" name="ProportionalModifiedEBITDAEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wmb_AssetRetirementObligationAccretionExpenseForNonregulatedOperations" abstract="false" name="AssetRetirementObligationAccretionExpenseForNonregulatedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
