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  <xs:element id="wmb_QuartersEndingTimeDomain" abstract="true" name="QuartersEndingTimeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wmb_SwingLineLoanMember" abstract="true" name="SwingLineLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wmb_FairValueAssetsMeasuredOnNonrecurringBasisAbstract" abstract="true" name="FairValueAssetsMeasuredOnNonrecurringBasisAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="wmb_SharePriceChange" abstract="false" name="SharePriceChange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="wmb_CentralHubRiskMember" abstract="true" name="CentralHubRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <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_NaturalGasUnderGroundStorageFacilitiesMember" abstract="true" name="NaturalGasUnderGroundStorageFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <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"/>
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  <xs:element id="wmb_UnrecordedEstimatedRecoveriesForEnvironmentalLossContingencies" abstract="false" name="UnrecordedEstimatedRecoveriesForEnvironmentalLossContingencies" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="wmb_CustomerAxisDomain" abstract="true" name="CustomerAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wmb_StatusOfGainLossDomain" abstract="true" name="StatusOfGainLossDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wmb_ProductCostsAndNetRealizedProcessingCommodityExpenses" abstract="false" name="ProductCostsAndNetRealizedProcessingCommodityExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <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>
