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  <xsd:element id="pfe_LossContingencyNumberOfClaimantsAcceptingProposedSettlementOffer" name="LossContingencyNumberOfClaimantsAcceptingProposedSettlementOffer" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
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  <xsd:element id="pfe_PercentageOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueInputsLevel1AndLevel3Inputs" name="PercentageOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueInputsLevel1AndLevel3Inputs" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
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  <xsd:element id="pfe_PercentageOfOwnershipInterestsOwnedByPublicStockholders" name="PercentageOfOwnershipInterestsOwnedByPublicStockholders" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
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  <xsd:element id="pfe_RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonthsNetOfRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess" name="RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonthsNetOfRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="pfe_ResearchAndDevelopmentMember" name="ResearchAndDevelopmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="pfe_SettlementAgreementReachedSubjectToCourtApprovalMember" name="SettlementAgreementReachedSubjectToCourtApprovalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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</xsd:schema>
</XBRL>