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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="FairValueMeasurement" roleURI="http://www.amgen.com/role/FairValueMeasurement">
        <link:definition>2118100 - Disclosure - Fair value measurement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementDetails" roleURI="http://www.amgen.com/role/FairValueMeasurementDetails">
        <link:definition>2418402 - Disclosure - Fair value measurement (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementDetails1" roleURI="http://www.amgen.com/role/FairValueMeasurementDetails1">
        <link:definition>2418403 - Disclosure - Fair value measurement (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementDetailsTextual" roleURI="http://www.amgen.com/role/FairValueMeasurementDetailsTextual">
        <link:definition>2418404 - Disclosure - Fair value measurement (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementTables" roleURI="http://www.amgen.com/role/FairValueMeasurementTables">
        <link:definition>2318301 - Disclosure - Fair value measurement (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>2116100 - Disclosure - Financing arrangements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancingArrangementsDetails" roleURI="http://www.amgen.com/role/FinancingArrangementsDetails">
        <link:definition>2416402 - Disclosure - Financing arrangements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancingArrangementsDetails1" roleURI="http://www.amgen.com/role/FinancingArrangementsDetails1">
        <link:definition>2416403 - Disclosure - Financing arrangements (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancingArrangementsDetails2" roleURI="http://www.amgen.com/role/FinancingArrangementsDetails2">
        <link:definition>2416404 - Disclosure - Financing arrangements (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancingArrangementsDetailsTextual" roleURI="http://www.amgen.com/role/FinancingArrangementsDetailsTextual">
        <link:definition>2416405 - Disclosure - Financing arrangements (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancingArrangementsTables" roleURI="http://www.amgen.com/role/FinancingArrangementsTables">
        <link:definition>2316301 - Disclosure - Financing arrangements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssets" roleURI="http://www.amgen.com/role/GoodwillAndIntangibleAssets">
        <link:definition>2114100 - Disclosure - Goodwill and intangible assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsDetails" roleURI="http://www.amgen.com/role/GoodwillAndIntangibleAssetsDetails">
        <link:definition>2414402 - Disclosure - Goodwill and intangible assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsDetails1" roleURI="http://www.amgen.com/role/GoodwillAndIntangibleAssetsDetails1">
        <link:definition>2414403 - Disclosure - Goodwill and intangible assets (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsDetailsTextual" roleURI="http://www.amgen.com/role/GoodwillAndIntangibleAssetsDetailsTextual">
        <link:definition>2414404 - Disclosure - Goodwill and intangible assets (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAndIntangibleAssetsTables" roleURI="http://www.amgen.com/role/GoodwillAndIntangibleAssetsTables">
        <link:definition>2314301 - Disclosure - Goodwill and intangible assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.amgen.com/role/IncomeTaxes">
        <link:definition>2105100 - Disclosure - Income taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails" roleURI="http://www.amgen.com/role/IncomeTaxesDetails">
        <link:definition>2405402 - Disclosure - Income taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails1" roleURI="http://www.amgen.com/role/IncomeTaxesDetails1">
        <link:definition>2405403 - Disclosure - Income taxes (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails2" roleURI="http://www.amgen.com/role/IncomeTaxesDetails2">
        <link:definition>2405404 - Disclosure - Income taxes (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails3" roleURI="http://www.amgen.com/role/IncomeTaxesDetails3">
        <link:definition>2405405 - Disclosure - Income taxes (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetailsTextual" roleURI="http://www.amgen.com/role/IncomeTaxesDetailsTextual">
        <link:definition>2405406 - Disclosure - Income taxes (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.amgen.com/role/IncomeTaxesTables">
        <link:definition>2305301 - Disclosure - Income taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://www.amgen.com/role/Inventories">
        <link:definition>2112100 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesDetails" roleURI="http://www.amgen.com/role/InventoriesDetails">
        <link:definition>2412402 - Disclosure - Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://www.amgen.com/role/InventoriesTables">
        <link:definition>2312301 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantAndEquipment" roleURI="http://www.amgen.com/role/PropertyPlantAndEquipment">
        <link:definition>2113100 - Disclosure - Property, plant and equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantAndEquipmentDetails" roleURI="http://www.amgen.com/role/PropertyPlantAndEquipmentDetails">
        <link:definition>2413402 - Disclosure - Property, plant and equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantAndEquipmentDetailsTextual" roleURI="http://www.amgen.com/role/PropertyPlantAndEquipmentDetailsTextual">
        <link:definition>2413403 - Disclosure - Property, plant and equipment (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantAndEquipmentTables" roleURI="http://www.amgen.com/role/PropertyPlantAndEquipmentTables">
        <link:definition>2313301 - Disclosure - Property, plant and equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialDataUnaudited" roleURI="http://www.amgen.com/role/QuarterlyFinancialDataUnaudited">
        <link:definition>2122100 - Disclosure - Quarterly financial data (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialDataUnauditedDetails" roleURI="http://www.amgen.com/role/QuarterlyFinancialDataUnauditedDetails">
        <link:definition>2422402 - Disclosure - Quarterly financial data (unaudited) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialDataUnauditedTables" roleURI="http://www.amgen.com/role/QuarterlyFinancialDataUnauditedTables">
        <link:definition>2322301 - Disclosure - Quarterly financial data (unaudited) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://www.amgen.com/role/RelatedPartyTransactions">
        <link:definition>2108100 - Disclosure - Related party transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsDetailsTextual" roleURI="http://www.amgen.com/role/RelatedPartyTransactionsDetailsTextual">
        <link:definition>2408401 - Disclosure - Related party transactions (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringAndOtherCostSavingsInitiatives" roleURI="http://www.amgen.com/role/RestructuringAndOtherCostSavingsInitiatives">
        <link:definition>2102100 - Disclosure - Restructuring and other cost savings initiatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringAndOtherCostSavingsInitiativesDetails" roleURI="http://www.amgen.com/role/RestructuringAndOtherCostSavingsInitiativesDetails">
        <link:definition>2402403 - Disclosure - Restructuring and other cost savings initiatives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringAndOtherCostSavingsInitiativesDetails1" roleURI="http://www.amgen.com/role/RestructuringAndOtherCostSavingsInitiativesDetails1">
        <link:definition>2402404 - Disclosure - Restructuring and other cost savings initiatives (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringAndOtherCostSavingsInitiativesDetailsTextual" roleURI="http://www.amgen.com/role/RestructuringAndOtherCostSavingsInitiativesDetailsTextual">
        <link:definition>2402402 - Disclosure - Restructuring and other cost savings initiatives (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringAndOtherCostSavingsInitiativesTables" roleURI="http://www.amgen.com/role/RestructuringAndOtherCostSavingsInitiativesTables">
        <link:definition>2302301 - Disclosure - Restructuring and other cost savings initiatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiValuationAndQualifyingAccounts" roleURI="http://www.amgen.com/role/ScheduleIiValuationAndQualifyingAccounts">
        <link:definition>2123100 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiValuationAndQualifyingAccountsDetails" roleURI="http://www.amgen.com/role/ScheduleIiValuationAndQualifyingAccountsDetails">
        <link:definition>2423401 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="SegmentInformation" roleURI="http://www.amgen.com/role/SegmentInformation">
        <link:definition>2121100 - Disclosure - Segment information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails" roleURI="http://www.amgen.com/role/SegmentInformationDetails">
        <link:definition>2421402 - Disclosure - Segment information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails1" roleURI="http://www.amgen.com/role/SegmentInformationDetails1">
        <link:definition>2421403 - Disclosure - Segment information (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails2" roleURI="http://www.amgen.com/role/SegmentInformationDetails2">
        <link:definition>2421404 - Disclosure - Segment information (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetails3" roleURI="http://www.amgen.com/role/SegmentInformationDetails3">
        <link:definition>2421405 - Disclosure - Segment information (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationDetailsTextual" roleURI="http://www.amgen.com/role/SegmentInformationDetailsTextual">
        <link:definition>2421406 - Disclosure - Segment information (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationSegmentInformationTables" roleURI="http://www.amgen.com/role/SegmentInformationSegmentInformationTables">
        <link:definition>2321301 - Disclosure - Segment information Segment information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="StockBasedCompensation" roleURI="http://www.amgen.com/role/StockBasedCompensation">
        <link:definition>2104100 - Disclosure - Stock-based compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails" roleURI="http://www.amgen.com/role/StockBasedCompensationDetails">
        <link:definition>2404402 - Disclosure - Stock-based compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails1" roleURI="http://www.amgen.com/role/StockBasedCompensationDetails1">
        <link:definition>2404403 - Disclosure - Stock-based compensation (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails2" roleURI="http://www.amgen.com/role/StockBasedCompensationDetails2">
        <link:definition>2404404 - Disclosure - Stock-based compensation (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails3" roleURI="http://www.amgen.com/role/StockBasedCompensationDetails3">
        <link:definition>2404405 - Disclosure - Stock-based compensation (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetails4" roleURI="http://www.amgen.com/role/StockBasedCompensationDetails4">
        <link:definition>2404406 - Disclosure - Stock-based compensation (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationDetailsTextual" roleURI="http://www.amgen.com/role/StockBasedCompensationDetailsTextual">
        <link:definition>2404407 - Disclosure - Stock-based compensation (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.amgen.com/role/StockBasedCompensationTables">
        <link:definition>2304301 - Disclosure - Stock-based compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.amgen.com/role/StockholdersEquity">
        <link:definition>2117100 - Disclosure - Stockholders' equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDetails" roleURI="http://www.amgen.com/role/StockholdersEquityDetails">
        <link:definition>2417402 - Disclosure - Stockholders' equity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDetails1" roleURI="http://www.amgen.com/role/StockholdersEquityDetails1">
        <link:definition>2417403 - Disclosure - Stockholders' equity (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
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  <xsd:element abstract="true" id="amgn_FivePointSevenFivePercentNotesDue2040Member" name="FivePointSevenFivePercentNotesDue2040Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FivePointSevenZeroPercentNotesDue2019Member" name="FivePointSevenZeroPercentNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FivePointSixFivePercentNotesDue2042Member" name="FivePointSixFivePercentNotesDue2042Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FivePointThreeSevenFivePercentNotesDue2043Member" name="FivePointThreeSevenFivePercentNotesDue2043Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FloatingRateNotesDue2017Member" name="FloatingRateNotesDue2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FloatingRateNotesDue2019Member" name="FloatingRateNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ForeignCurrencyAndCrossCurrencySwapsMember" name="ForeignCurrencyAndCrossCurrencySwapsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FourPercentPoundSterlingNotesDue2029Member" name="FourPercentPoundSterlingNotesDue2029Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FourPointEightFivePercentNotesDue2014Member" name="FourPointEightFivePercentNotesDue2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FourPointFiveZeroPercentNotesDue2020Member" name="FourPointFiveZeroPercentNotesDue2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FourPointNineFivePercentNotesDue2041Member" name="FourPointNineFivePercentNotesDue2041Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FourPointOneZeroPercentNotesDue2021Member" name="FourPointOneZeroPercentNotesDue2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_FourPointThreeSevenFivePercentEuroNotesDue2018Member" name="FourPointThreeSevenFivePercentEuroNotesDue2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_FutureRentalCommitmentsForAbandonedLeases" name="FutureRentalCommitmentsForAbandonedLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="amgn_GainContingencyPendingClaimsNumber" name="GainContingencyPendingClaimsNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="amgn_GainOnDiscontinuationOfInterestRateFairValueHedge" name="GainOnDiscontinuationOfInterestRateFairValueHedge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_GeographicalInformationWithRespectToRevenuesAbstract" name="GeographicalInformationWithRespectToRevenuesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_GlaxoGroupLimitedMember" name="GlaxoGroupLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_GrantedOnAndAfterAprilTwentySixTwoThousandTenMember" name="GrantedOnAndAfterAprilTwentySixTwoThousandTenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_GrantedOnAprilTwentyFiveTwoThousandElevenThroughAprilTwentySixTwoThousandTwelveMember" name="GrantedOnAprilTwentyFiveTwoThousandElevenThroughAprilTwentySixTwoThousandTwelveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_GrantedPriorToAprilTwentyFiveTwoThousandElevenMember" name="GrantedPriorToAprilTwentyFiveTwoThousandElevenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_GrantedPriorToAprilTwentySixTwoThousandTenMember" name="GrantedPriorToAprilTwentySixTwoThousandTenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_HarrisEtAlVAmgenIncMember" name="HarrisEtAlVAmgenIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_IdentifiableIntangibleAssetsAccumulatedAmortization" name="IdentifiableIntangibleAssetsAccumulatedAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="amgn_IdentifiableIntangibleAssetsGross" name="IdentifiableIntangibleAssetsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_InReAmgenIncSecuritiesLitigationMember" name="InReAmgenIncSecuritiesLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_IncomeTaxesTextualAbstract" name="IncomeTaxesTextualAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_IncreaseDecreaseInAccumulatedOtherComprehensiveIncomeRollForward" name="IncreaseDecreaseInAccumulatedOtherComprehensiveIncomeRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_IncreaseDecreaseInLitigationReserve" name="IncreaseDecreaseInLitigationReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_IndefiniteLivedIntangibleAssetsExcludingGoodwillReclassifiedtoFiniteLivedIntangibleAssets" name="IndefiniteLivedIntangibleAssetsExcludingGoodwillReclassifiedtoFiniteLivedIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_InterestAndOtherIncomeMember" name="InterestAndOtherIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_InterestRateSwap2013Member" name="InterestRateSwap2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_InterestRateSwap2014Member" name="InterestRateSwap2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_InvestmentMaturityPeriod" name="InvestmentMaturityPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_JapaneseMarketProductsMember" name="JapaneseMarketProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_KaiPharmaceuticalsMember" name="KaiPharmaceuticalsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_KyprolisMember" name="KyprolisMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LaboratoryEquipment" name="LaboratoryEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="amgn_LaboratoryEquipmentMember" name="LaboratoryEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_LarsonVSharerEtAlMember" name="LarsonVSharerEtAlMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LineOfCreditFacilityExtensionOfCommitmentTerm" name="LineOfCreditFacilityExtensionOfCommitmentTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LineOfCreditFacilityInitialCommitmentTerm" name="LineOfCreditFacilityInitialCommitmentTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LineOfCreditFacilityNumberOfExtensions" name="LineOfCreditFacilityNumberOfExtensions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_LongLivedAssetsAbstract" name="LongLivedAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LongTermDebtMaturitiesRepaymentsOfPrincipalNet" name="LongTermDebtMaturitiesRepaymentsOfPrincipalNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="amgn_LossContingencyLengthStayOnCaseSubsequentToRelatedAction" name="LossContingencyLengthStayOnCaseSubsequentToRelatedAction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LossContingencyNumberOfAdditionalPlaintiffs" name="LossContingencyNumberOfAdditionalPlaintiffs" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LossContingencyNumberOfNewDefendants" name="LossContingencyNumberOfNewDefendants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_LossContingencyNumberOfStockholderComplaintsConsolidated" name="LossContingencyNumberOfStockholderComplaintsConsolidated" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ManufacturingEquipmentMember" name="ManufacturingEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ManufacturingOperationsOptimizationMember" name="ManufacturingOperationsOptimizationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_MasterRepurchaseAgreementObligationDue2018Member" name="MasterRepurchaseAgreementObligationDue2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_MaturingAfterOneYearThroughThreeYears" name="MaturingAfterOneYearThroughThreeYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="amgn_MaturingAfterThreeYearsThroughFiveYears" name="MaturingAfterThreeYearsThroughFiveYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="amgn_MaximumAnnualNetSalesPayableUnderCollaborativeArrangementsPercentage" name="MaximumAnnualNetSalesPayableUnderCollaborativeArrangementsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="amgn_MaximumBorrowingCapacityUnderCommercialPaper" name="MaximumBorrowingCapacityUnderCommercialPaper" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_MicrometIncMember" name="MicrometIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_MilestonePaymentAxis" name="MilestonePaymentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_MilestonePaymentDomain" name="MilestonePaymentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_MinimumAnnualNetSalesPayableUnderCollaborativeArrangementsPercentage" name="MinimumAnnualNetSalesPayableUnderCollaborativeArrangementsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_MnMember" name="MnMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_MustafaNevzatPharmaceuticalsMember" name="MustafaNevzatPharmaceuticalsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_NEUPOGENMember" name="NEUPOGENMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NatureOfOperationsPolicyTextBlock" name="NatureOfOperationsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_NetCashProvidedByOperatingActivitiesMember" name="NetCashProvidedByOperatingActivitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NeulastaMember" name="NeulastaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_NexavarMember" name="NexavarMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NonCashInterestExpense" name="NonCashInterestExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_NotesDuein2097Member" name="NotesDuein2097Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NplateMember" name="NplateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberOfCommonSharesIssuedForEachPerformanceUnitEarned" name="NumberOfCommonSharesIssuedForEachPerformanceUnitEarned" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberOfCommonSharesToBeReducedForEachStockOptionGranted" name="NumberOfCommonSharesToBeReducedForEachStockOptionGranted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberOfCommonSharesToBeReducedForOtherTypesOfAwardsGranted" name="NumberOfCommonSharesToBeReducedForOtherTypesOfAwardsGranted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberOfCustomersAccountingForMoreThanTenPercentOfGrossTradeReceivables" name="NumberOfCustomersAccountingForMoreThanTenPercentOfGrossTradeReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberOfCustomersAccountingForMoreThanTenPercentOfRevenue" name="NumberOfCustomersAccountingForMoreThanTenPercentOfRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberOfMoleculesDevelopedAndCommercializedAsPerCollaborations" name="NumberOfMoleculesDevelopedAndCommercializedAsPerCollaborations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberofCountriesProductisMarketedandSold" name="NumberofCountriesProductisMarketedandSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberofMarketsHoldingAcquiredLicenses" name="NumberofMarketsHoldingAcquiredLicenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_NumberofPartneredOncologyAssets" name="NumberofPartneredOncologyAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="amgn_NumberofSharesAddedBackforTaxWithholdingonFullValueAwards" name="NumberofSharesAddedBackforTaxWithholdingonFullValueAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OnePointEightSevenFivePercentNotesDue2014Member" name="OnePointEightSevenFivePercentNotesDue2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OnePointTwoFivePercentNotesDue2017Member" name="OnePointTwoFivePercentNotesDue2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OnyxPharmaceuticalsInc.Member" name="OnyxPharmaceuticalsInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherComprehensiveIncomeLossOtherGainsLossesNetOfTaxPortionAttributableToParent" name="OtherComprehensiveIncomeLossOtherGainsLossesNetOfTaxPortionAttributableToParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherComprehensiveIncomeOther" name="OtherComprehensiveIncomeOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherComprehensiveIncomeOtherPeriodIncreaseDecrease" name="OtherComprehensiveIncomeOtherPeriodIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherComprehensiveIncomeOtherTax" name="OtherComprehensiveIncomeOtherTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherComprehensiveIncomeReclassificationAdjustmentToIncomeBeforeTax" name="OtherComprehensiveIncomeReclassificationAdjustmentToIncomeBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherComprehensiveIncomeUnrealizedArisingDuringPeriodBeforeReclassificationsAndTaxOthers" name="OtherComprehensiveIncomeUnrealizedArisingDuringPeriodBeforeReclassificationsAndTaxOthers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherCostSavingsInitiativeMember" name="OtherCostSavingsInitiativeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherCountriesMember" name="OtherCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OtherCurrentNoncurrentAssetsMember" name="OtherCurrentNoncurrentAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OtherGovernmentRelatedAndCorporateDebtSecuritiesMember" name="OtherGovernmentRelatedAndCorporateDebtSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherNotes" name="OtherNotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_OtherOperatingExpenseMemberMember" name="OtherOperatingExpenseMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OtherRevenuesMember" name="OtherRevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_OtherRevenuesPolicyTextBlock" name="OtherRevenuesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OtherShortTermInterestBearingSecuritiesMember" name="OtherShortTermInterestBearingSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_OthernotesMember" name="OthernotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PaymentstoAcquireBusinessesandAcceleratedEquityAwards" name="PaymentstoAcquireBusinessesandAcceleratedEquityAwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageOfCombinedGrossProductSalesFromMajorCustomers" name="PercentageOfCombinedGrossProductSalesFromMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageOfCombinedNetTradeReceivablesFromMajorCustomers" name="PercentageOfCombinedNetTradeReceivablesFromMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="amgn_PercentageOfCombinedWorldwideGrossRevenuesFromMajorCustomers" name="PercentageOfCombinedWorldwideGrossRevenuesFromMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageOfGrossDomesticProductSales" name="PercentageOfGrossDomesticProductSales" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageOfGrossRevenues" name="PercentageOfGrossRevenues" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageOfNetAmountDueFromCustomersLocatedOutsideDomesticLocation" name="PercentageOfNetAmountDueFromCustomersLocatedOutsideDomesticLocation" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="amgn_PercentageOfPrincipalAmountOfNotesThatMayBePaidUponOccurrenceOfChangeInControlTriggeringEvent" name="PercentageOfPrincipalAmountOfNotesThatMayBePaidUponOccurrenceOfChangeInControlTriggeringEvent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageOfRelatedDevelopmentCosts" name="PercentageOfRelatedDevelopmentCosts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageofDevelopmentCostsFundedbyCompany" name="PercentageofDevelopmentCostsFundedbyCompany" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PercentageofNetProfitsAfterDeductingCertainPartnerRelatedCosts" name="PercentageofNetProfitsAfterDeductingCertainPartnerRelatedCosts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PerformanceUnitsMember" name="PerformanceUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PeriodRequiredToPayPercentageOfNetSales" name="PeriodRequiredToPayPercentageOfNetSales" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_PointThreeSevenFivePercentConvertibleNotesDue2013Member" name="PointThreeSevenFivePercentConvertibleNotesDue2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ProliaMember" name="ProliaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_PropertyPlantAndEquipmentExcludingDepreciationAndAmortizationChargesAbstract" name="PropertyPlantAndEquipmentExcludingDepreciationAndAmortizationChargesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_PropertyPlantAndEquipmentTableTextBlock" name="PropertyPlantAndEquipmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ROWMember" name="ROWMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_RamosVAmgenIncEtAlMember" name="RamosVAmgenIncEtAlMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_RateAdjustmentToLiborOnInterestRateSwapAgreementsMember" name="RateAdjustmentToLiborOnInterestRateSwapAgreementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ReclassificationsAxis" name="ReclassificationsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ReclassificationsDomain" name="ReclassificationsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsTableTextBlock" name="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_RelatedPartyTransactionCostRecoveriesFromTransactionsWithRelatedParty" name="RelatedPartyTransactionCostRecoveriesFromTransactionsWithRelatedParty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_RentalExpenseOnOperatingLeases" name="RentalExpenseOnOperatingLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_RestrictedInterestReceivable" name="RestrictedInterestReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_RestrictedInvestmentsMember" name="RestrictedInvestmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_RestrictedInvestmentsPolicyTextBlock" name="RestrictedInvestmentsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_RestructuringandRelatedCostExpectedCostAcceleratedDepreciationandAssetImpairmentChargesandOtherCosts" name="RestructuringandRelatedCostExpectedCostAcceleratedDepreciationandAssetImpairmentChargesandOtherCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_RestructuringandRelatedCostExpectedCostSeparationCosts" name="RestructuringandRelatedCostExpectedCostSeparationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_RevenuesEarnedFromMajorCustomersAbstract" name="RevenuesEarnedFromMajorCustomersAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_RoyaltiesReceivedOnSales" name="RoyaltiesReceivedOnSales" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="amgn_SaleOfVectibixMember" name="SaleOfVectibixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SandozFilgrastimLitigationMember" name="SandozFilgrastimLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SanofiRegeneronPatentLitigationMember" name="SanofiRegeneronPatentLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ScheduleOfIntangibleAssetsTableTextBlock" name="ScheduleOfIntangibleAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ScheduleOfNotionalAmountsAndInterestRatesForCrossCurrencySwapsTableTextBlock" name="ScheduleOfNotionalAmountsAndInterestRatesForCrossCurrencySwapsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_SensiparMimparaMember" name="SensiparMimparaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_SeparationCosts" name="SeparationCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ShareBasedCompensationArrangementByShareBasedPaymentAwardByGrantDateTypeAxis" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardByGrantDateTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ShareBasedCompensationArrangementByShareBasedPaymentAwardByGrantDateTypeDomain" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardByGrantDateTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceUnitsFairValueAssumptionsTableTextBlock" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceUnitsFairValueAssumptionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_SharesCommonStockExcludedFromPublicFloatCalculation" name="SharesCommonStockExcludedFromPublicFloatCalculation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="amgn_ShelfRegistrationStatementAxisAxis" name="ShelfRegistrationStatementAxisAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ShelfRegistrationStatementAxisDomain" name="ShelfRegistrationStatementAxisDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ShelfRegistrationStatementMember" name="ShelfRegistrationStatementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SixPointFourZeroPercentNotesDue2039Member" name="SixPointFourZeroPercentNotesDue2039Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SixPointNineZeroPercentNotesDue2038Member" name="SixPointNineZeroPercentNotesDue2038Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SixPointOneFivePercentNotesDue2018Member" name="SixPointOneFivePercentNotesDue2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SixPointThreeSevenFivePercentNotesDue2037Member" name="SixPointThreeSevenFivePercentNotesDue2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_StatementsOfIncomeAndAmountOfGainRecognizedInIncomeForDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsTableTextBlock" name="StatementsOfIncomeAndAmountOfGainRecognizedInIncomeForDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsAbstract" name="StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsTableTextBlock" name="StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_StockBasedCompensationExpenseNetOfTax" name="StockBasedCompensationExpenseNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="amgn_StockOptionAndRestrictedStockUnitsMember" name="StockOptionAndRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_StockRepurchaseProgramAbstract" name="StockRepurchaseProgramAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_StockRepurchaseProgramMember" name="StockRepurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_StockRepurchaseProgramTable" name="StockRepurchaseProgramTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_StockRepurchaseProgramTableTextBlock" name="StockRepurchaseProgramTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_StockRepurchasedDuringPeriodUnderStockRepurchaseProgramValue" name="StockRepurchasedDuringPeriodUnderStockRepurchaseProgramValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_SuperiorCourtStateofCaliforniaMember" name="SuperiorCourtStateofCaliforniaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_TaxBenefitsRecognizedfromRecentlyEnactedLegislation" name="TaxBenefitsRecognizedfromRecentlyEnactedLegislation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_TermLoanDue2018Member" name="TermLoanDue2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ThreeMonthLondonInterbankOfferedRateLIBORMember" name="ThreeMonthLondonInterbankOfferedRateLIBORMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ThreePointEightSevenFivePercentNotesDue2021Member" name="ThreePointEightSevenFivePercentNotesDue2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ThreePointFourFivePercentNotesDue2020Member" name="ThreePointFourFivePercentNotesDue2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ThreePointSixTwoFivePercentNotesDue2022Member" name="ThreePointSixTwoFivePercentNotesDue2022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_ThreePointSixTwoFivePercentNotesDue2024Member" name="ThreePointSixTwoFivePercentNotesDue2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ThresholdForDisclosureOfAmountsDueFromMajorCustomers" name="ThresholdForDisclosureOfAmountsDueFromMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_ThresholdForDisclosureOfProductSalesToMajorCustomers" name="ThresholdForDisclosureOfProductSalesToMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_TwoPointFiveZeroPercentNotesDue2016Member" name="TwoPointFiveZeroPercentNotesDue2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_TwoPointOneTwoFivePercentEuroNotesDue2019Member" name="TwoPointOneTwoFivePercentEuroNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_TwoPointOneTwoFivePercentNotesDue2017Member" name="TwoPointOneTwoFivePercentNotesDue2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_TwoPointThreeZeroPercentNotesDue2016Member" name="TwoPointThreeZeroPercentNotesDue2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_TwoPointTwoZeroPercentNotesDue2019Member" name="TwoPointTwoZeroPercentNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_U.S.FederalGovernmentStockpilesMember" name="U.S.FederalGovernmentStockpilesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_UndistributedEarningsOfForeignOperationsOnWhichDomesticIncomeTaxNotProvided" name="UndistributedEarningsOfForeignOperationsOnWhichDomesticIncomeTaxNotProvided" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="amgn_UnrealizedLossesGainsBeforeReclassifications" name="UnrealizedLossesGainsBeforeReclassifications" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_UponAchievementofAgreedLevelofWorldwideSalesMember" name="UponAchievementofAgreedLevelofWorldwideSalesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_UponAchievementofCertainOtherRegulatoryandSalesrelatedMilestonesMember" name="UponAchievementofCertainOtherRegulatoryandSalesrelatedMilestonesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="amgn_UponFirstCommercialSaleintheUSMember" name="UponFirstCommercialSaleintheUSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_VectibixMember" name="VectibixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="amgn_WeightedAverageGrantDateFairValueOfUnitsOutstanding" name="WeightedAverageGrantDateFairValueOfUnitsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="amgn_XgevaMember" name="XgevaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
