<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created with Bowne Tagger. XBRL Parser version 10.0.0.84-->
<!--Modified on: 5/5/2011 4:51:18 PM-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://amgen.com/2011-03-31" xmlns:amgn="http://amgen.com/2011-03-31" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:us-types="http://xbrl.us/us-types/2009-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://amgen.com/role/AcuisitionsDetailsTextuals" id="AcuisitionsDetailsTextuals">
        <link:definition>06022 - Disclosure - Acquisitions (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/AcquisitionsDetails1" id="AcquisitionsDetails1">
        <link:definition>06021 - Disclosure - Acquisitions (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 roleURI="http://amgen.com/role/SubsequentEventsDetails" id="SubsequentEventsDetails">
        <link:definition>0613 - Disclosure - Subsequent events (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 roleURI="http://amgen.com/role/CostSavingsInitiativesAndRestructuringDetails" id="CostSavingsInitiativesAndRestructuringDetails">
        <link:definition>0605 - Disclosure - 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 roleURI="http://amgen.com/role/SubsequentEvents" id="SubsequentEvents">
        <link:definition>0213 - Disclosure - Subsequent events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/CostSavingsInitiativesAndRestructuring" id="CostSavingsInitiativesAndRestructuring">
        <link:definition>0205 - Disclosure - 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 roleURI="http://amgen.com/role/AcquisitionsTables" id="AcquisitionsTables">
        <link:definition>0502 - Disclosure - Acquisitions (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 roleURI="http://amgen.com/role/DocumentAndEntityInformationParenthetical" id="DocumentAndEntityInformationParenthetical">
        <link:definition>0010 - Document - Document and Entity Information (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/StockholdersEquityDetailsTextuals" id="StockholdersEquityDetailsTextuals">
        <link:definition>06091 - Disclosure - Stockholders' equity (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/DerivativeInstrumentsDetailsTextuals" id="DerivativeInstrumentsDetailsTextuals">
        <link:definition>06114 - Disclosure - Derivative instruments (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/DerivativeInstrumentsDetails3" id="DerivativeInstrumentsDetails3">
        <link:definition>06113 - Disclosure - Derivative instruments (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 roleURI="http://amgen.com/role/DerivativeInstrumentsDetails2" id="DerivativeInstrumentsDetails2">
        <link:definition>06112 - Disclosure - Derivative instruments (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 roleURI="http://amgen.com/role/DerivativeInstrumentsDetails1" id="DerivativeInstrumentsDetails1">
        <link:definition>06111 - Disclosure - Derivative instruments (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 roleURI="http://amgen.com/role/FairValueMeasurementsDetailsTextuals" id="FairValueMeasurementsDetailsTextuals">
        <link:definition>06102 - Disclosure - Fair value measurements (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/FairValueMeasurementsDetails1" id="FairValueMeasurementsDetails1">
        <link:definition>06101 - Disclosure - Fair value measurements (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 roleURI="http://amgen.com/role/AvailableforsaleInvestmentsDetailsTextuals" id="AvailableforsaleInvestmentsDetailsTextuals">
        <link:definition>06063 - Disclosure - Available-for-sale investments (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/AvailableforsaleInvestmentDetails2" id="AvailableforsaleInvestmentDetails2">
        <link:definition>06062 - Disclosure - Available-for-sale investments (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 roleURI="http://amgen.com/role/AvailableforsaleInvestmentsDetails1" id="AvailableforsaleInvestmentsDetails1">
        <link:definition>06061 - Disclosure - Available-for-sale investments (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 roleURI="http://amgen.com/role/EarningsPerShareDetailsTextuals" id="EarningsPerShareDetailsTextuals">
        <link:definition>06041 - Disclosure - Earnings per share (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/FinancingArrangementsDetailsTextuals" id="FinancingArrangementsDetailsTextuals">
        <link:definition>06081 - Disclosure - Financing arrangements (Details Textuals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/AvailableForSaleInvestmentsTables" id="AvailableForSaleInvestmentsTables">
        <link:definition>0506 - Disclosure - Available-for-sale investments (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 roleURI="http://amgen.com/role/AvailableForSaleInvestmentsDetails" id="AvailableForSaleInvestmentsDetails">
        <link:definition>0606 - Disclosure - Available-for-sale investments (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 roleURI="http://amgen.com/role/AcquisitionsDetails" id="AcquisitionsDetails">
        <link:definition>0602 - Disclosure - Acquisitions (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 roleURI="http://amgen.com/role/Acquisitions" id="Acquisitions">
        <link:definition>0202 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/DerivativeInstrumentsTables" id="DerivativeInstrumentsTables">
        <link:definition>0511 - Disclosure - Derivative instruments (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 roleURI="http://amgen.com/role/DerivativeInstrumentsDetails" id="DerivativeInstrumentsDetails">
        <link:definition>0611 - Disclosure - Derivative instruments (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 roleURI="http://amgen.com/role/FairValueMeasurementDetails" id="FairValueMeasurementDetails">
        <link:definition>0610 - 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 roleURI="http://amgen.com/role/FairValueMeasurementTables" id="FairValueMeasurementTables">
        <link:definition>0510 - 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>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/FinancingArrangementsTables" id="FinancingArrangementsTables">
        <link:definition>0508 - 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 roleURI="http://amgen.com/role/FinancingArrangementsDetails" id="FinancingArrangementsDetails">
        <link:definition>0608 - 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 roleURI="http://amgen.com/role/EarningsPerShareTables" id="EarningsPerShareTables">
        <link:definition>0504 - Disclosure - Earnings per share (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 roleURI="http://amgen.com/role/EarningsPerShareDetails" id="EarningsPerShareDetails">
        <link:definition>0604 - Disclosure - Earnings per share (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 roleURI="http://amgen.com/role/SummaryOfSignificantAccountingPoliciesDetails" id="SummaryOfSignificantAccountingPoliciesDetails">
        <link:definition>0601 - Disclosure - Summary of significant accounting policies (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 roleURI="http://amgen.com/role/StockholdersEquityDetails" id="StockholdersEquityDetails">
        <link:definition>0609 - 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 roleURI="http://amgen.com/role/StockholdersEquityTables" id="StockholdersEquityTables">
        <link:definition>0509 - Disclosure - Stockholders' equity (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 roleURI="http://amgen.com/role/InventoriesDetails" id="InventoriesDetails">
        <link:definition>0607 - 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 roleURI="http://amgen.com/role/InventoriesTables" id="InventoriesTables">
        <link:definition>0507 - 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 roleURI="http://amgen.com/role/IncomeTaxesDetails" id="IncomeTaxesDetails">
        <link:definition>0603 - 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 roleURI="http://amgen.com/role/SummaryOfSignificantAccountingPoliciesPolicies" id="SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>0401 - Disclosure - Summary of significant accounting policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>00 - Document - Document and Entity 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 roleURI="http://amgen.com/role/ContingenciesAndCommitments" id="ContingenciesAndCommitments">
        <link:definition>0212 - Disclosure - Contingencies and commitments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/DerivativeInstruments" id="DerivativeInstruments">
        <link:definition>0211 - Disclosure - Derivative instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/FairValueMeasurement" id="FairValueMeasurement">
        <link:definition>0210 - 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 roleURI="http://amgen.com/role/StockholdersEquity" id="StockholdersEquity">
        <link:definition>0209 - 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 roleURI="http://amgen.com/role/FinancingArrangements" id="FinancingArrangements">
        <link:definition>0208 - 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 roleURI="http://amgen.com/role/Inventories" id="Inventories">
        <link:definition>0207 - 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 roleURI="http://amgen.com/role/AvailableForSaleSecurities" id="AvailableForSaleSecurities">
        <link:definition>0206 - Disclosure - Available-for-sale investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/EarningsPerShare" id="EarningsPerShare">
        <link:definition>0204 - Disclosure - Earnings per share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>0203 - 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 roleURI="http://amgen.com/role/SummaryOfSignificantAccountingPolicies" id="SummaryOfSignificantAccountingPolicies">
        <link:definition>0201 - Disclosure - Summary of significant accounting policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
        <link:definition>0130 - Statement - Condensed Consolidated Statements of Cash Flows (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 roleURI="http://amgen.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
        <link:definition>0121 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://amgen.com/role/StatementsOfIncome" id="StatementsOfIncome">
        <link:definition>0110 - Statement - Condensed Consolidated Statements of Income (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 roleURI="http://amgen.com/role/BalenceSheets" id="BalenceSheets">
        <link:definition>0120 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="amgn-20110331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="amgn-20110331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="amgn-20110331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="amgn-20110331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.us/dei/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd" />
  <import namespace="http://xbrl.us/us-gaap/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd" />
  <import namespace="http://xbrl.us/us-types/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-types-2009-01-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <element id="amgn_OtherConvertibleDebtCurrent" name="OtherConvertibleDebtCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="amgn_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FinancingArrangementsAbstract" name="FinancingArrangementsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValueMeasurementAbstract" name="FairValueMeasurementAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_ContingenciesAndCommitmentsAbstract" name="ContingenciesAndCommitmentsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AmortizationOfAcquiredIntangibleAssets" name="AmortizationOfAcquiredIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amgn_CostOfGoodsSoldExcludingAmortizationOfAcquiredIntangibleAssets" name="CostOfGoodsSoldExcludingAmortizationOfAcquiredIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amgn_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SummaryOfSignificantAccountingPoliciesPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesPoliciesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_IncomeTaxesDetailsAbstract" name="IncomeTaxesDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_IncomeTaxesTextualsAbstract" name="IncomeTaxesTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_InventoriesTablesAbstract" name="InventoriesTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_InventoriesDetailsAbstract" name="InventoriesDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StockRepurchaseProgramAbstract" name="StockRepurchaseProgramAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SummaryOfSignificantAccountingPoliciesDetailsAbstract" name="SummaryOfSignificantAccountingPoliciesDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SummaryOfSignificantAccountingPoliciesTextualsAbstract" name="SummaryOfSignificantAccountingPoliciesTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StockholdersEquityTextualsAbstract" name="StockholdersEquityTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StockholdersEquityDetailsAbstract" name="StockholdersEquityDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_EarningsPerShareDetailsAbstract" name="EarningsPerShareDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_EarningsPerShareTablesAbstract" name="EarningsPerShareTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BasicAndDilutedEarningPerShareAbstract" name="BasicAndDilutedEarningPerShareAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_EarningsPerShareTextualsAbstract" name="EarningsPerShareTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FinancingArrangementsDetailsAbstract" name="FinancingArrangementsDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FinancingArrangementsTablesAbstract" name="FinancingArrangementsTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodOneMember" name="NotesDuePeriodOneMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodTwoMember" name="NotesDuePeriodTwoMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodThreeMember" name="NotesDuePeriodThreeMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodFourMember" name="NotesDuePeriodFourMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodFiveMember" name="NotesDuePeriodFiveMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodSixMember" name="NotesDuePeriodSixMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodSevenMember" name="NotesDuePeriodSevenMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodEightMember" name="NotesDuePeriodEightMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodNineMember" name="NotesDuePeriodNineMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodTenMember" name="NotesDuePeriodTenMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodElevenMember" name="NotesDuePeriodElevenMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FinancingArrangementsTextualsAbstract" name="FinancingArrangementsTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfAvailableForSaleInvestmentsByTypeOfSecurityAbstract" name="FairValuesOfAvailableForSaleInvestmentsByTypeOfSecurityAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CorporateDebtSecuritiesFinancialMember" name="CorporateDebtSecuritiesFinancialMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CorporateDebtSecuritiesIndustrialMember" name="CorporateDebtSecuritiesIndustrialMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_OtherNonCurrentAssets" name="OtherNonCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_AvailableForSaleSecuritiesTextualsAbstract" name="AvailableForSaleSecuritiesTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue" name="AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_FairValueMeasurementTablesAbstract" name="FairValueMeasurementTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValueMeasurementDetailsAbstract" name="FairValueMeasurementDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValueLiabilitiesMeasuredOnRecurringBasisTotalLiabilities" name="FairValueLiabilitiesMeasuredOnRecurringBasisTotalLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="amgn_FairValueAssetsMeasuredOnRecurringBasisTotalAssets" name="FairValueAssetsMeasuredOnRecurringBasisTotalAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_DerivativeInstrumentsDetailsAbstract" name="DerivativeInstrumentsDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CondensedConsolidatedStatementsOfIncomeAndAmountOfGainRecognizedInIncomeForDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAbstract" name="CondensedConsolidatedStatementsOfIncomeAndAmountOfGainRecognizedInIncomeForDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_OtherCurrentNoncurrentAssetsMember" name="OtherCurrentNoncurrentAssetsMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_DerivativeInstrumentsTextualsAbstract" name="DerivativeInstrumentsTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfAvailableForSaleInvestmentsByContractualMaturityAbstract" name="FairValuesOfAvailableForSaleInvestmentsByContractualMaturityAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfAvailableForSaleInvestmentsByClassificationInConsolidatedBalanceSheetsAbstract" name="FairValuesOfAvailableForSaleInvestmentsByClassificationInConsolidatedBalanceSheetsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_InterestAndOtherIncomeMember" name="InterestAndOtherIncomeMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsAbstract" name="StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_DerivativeInstrumentsTablesAbstract" name="DerivativeInstrumentsTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_MaturingAfterOneYearThroughThreeYears" name="MaturingAfterOneYearThroughThreeYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_MaturingAfterThreeYearsThroughFiveYears" name="MaturingAfterThreeYearsThroughFiveYears" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_TotalIncludingCash" name="TotalIncludingCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_AccruedLiabilitiesOtherNonCurrentLiabilitiesMember" name="AccruedLiabilitiesOtherNonCurrentLiabilitiesMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_ForeignCurrencyForwardAndOptionContractsMember" name="ForeignCurrencyForwardAndOptionContractsMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_UseOfEstimatesPolicyTextBlock" name="UseOfEstimatesPolicyTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AcquisitionsAbstract" name="AcquisitionsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AcquisitionsDetailsAbstract" name="AcquisitionsDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AcquisitionsTextualsAbstract" name="AcquisitionsTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AdditionalAmountAuthorizedUnderStockRepurchasePlan" name="AdditionalAmountAuthorizedUnderStockRepurchasePlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="amgn_AmountAvailableForStockRepurchasesUnderBoardApprovedStockRepurchasePlan" name="AmountAvailableForStockRepurchasesUnderBoardApprovedStockRepurchasePlan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="amgn_StockRepurchasedDuringPeriodUnderStockRepurchaseProgramValue" name="StockRepurchasedDuringPeriodUnderStockRepurchaseProgramValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amgn_StockRepurchasedDuringPeriodUnderStockRepurchaseProgramShares" name="StockRepurchasedDuringPeriodUnderStockRepurchaseProgramShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodFifteenMember" name="NotesDuePeriodFifteenMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_NotesDuePeriodSixteenMember" name="NotesDuePeriodSixteenMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_OtherCurrentAssetsMember" name="OtherCurrentAssetsMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AvailableForSaleInvestmentsDetailsAbstract" name="AvailableForSaleInvestmentsDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AvailableForSaleInvestmentsTablesAbstract" name="AvailableForSaleInvestmentsTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValueMeasurementTextualsAbstract" name="FairValueMeasurementTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CarryingValueAndEstimatedFairValueOfOurConvertibleNotesModifiedConvertibleNotesAndOtherNotesAbstract" name="CarryingValueAndEstimatedFairValueOfOurConvertibleNotesModifiedConvertibleNotesAndOtherNotesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SharesCommonStockExcludedFromPublicFloatCalculation" name="SharesCommonStockExcludedFromPublicFloatCalculation" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="amgn_OtherLongTermNotesPayableFairValueDisclosure" name="OtherLongTermNotesPayableFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="amgn_StockholdersEquityTablesAbstract" name="StockholdersEquityTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BasisOfPresentationPolicyTextBlock" name="BasisOfPresentationPolicyTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BusinessCombinationsPolicyTextBlock" name="BusinessCombinationsPolicyTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_ContingentConsiderationInConnectionWithBusinessCombinationMember" name="ContingentConsiderationInConnectionWithBusinessCombinationMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AcquisitionsTablesAbstract" name="AcquisitionsTablesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SubsequentEventsAbstract" name="SubsequentEventsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_DiscountRateOfEstimatedNetCashFlows" name="DiscountRateOfEstimatedNetCashFlows" type="us-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="amgn_BusinessAcquisitionPaymentToSettleUnvestedEmployeeOptions" name="BusinessAcquisitionPaymentToSettleUnvestedEmployeeOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_CarryingValuesOfRemainingAssets" name="CarryingValuesOfRemainingAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_RestructuringPlansAxis" name="RestructuringPlansAxis" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_RestructuringPlanDomain" name="RestructuringPlanDomain" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_OptimizationOfManufacturingNetworkMember" name="OptimizationOfManufacturingNetworkMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_GainLossIncomeStatementLocationAxis" name="GainLossIncomeStatementLocationAxis" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_GainLossIncomeStatementLocationDomain" name="GainLossIncomeStatementLocationDomain" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_OtherChargesMember" name="OtherChargesMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AssetImpairmentChargesMember" name="AssetImpairmentChargesMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SubsequentEventsDetailsAbstract" name="SubsequentEventsDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BergamoMember" name="BergamoMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_SubsequentEventsTextualsAbstract" name="SubsequentEventsTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesLiabilities" name="BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_IncrementalDepreciationIncludedInCostOfSales" name="IncrementalDepreciationIncludedInCostOfSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amgn_OperatingLeaseCharges" name="OperatingLeaseCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amgn_OtherChargesRelatedToCostEfficiencies" name="OtherChargesRelatedToCostEfficiencies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="amgn_BusinessAcquisitionCostOfAcquiredEntityTextBlock" name="BusinessAcquisitionCostOfAcquiredEntityTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BusinessAcquisitionPurchasePriceAllocationTextBlock" name="BusinessAcquisitionPurchasePriceAllocationTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BasicAndDilutedEarningPerShareTextBlock" name="BasicAndDilutedEarningPerShareTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfAvailableForSaleInvestmentsByTypeOfSecurityTextBlock" name="FairValuesOfAvailableForSaleInvestmentsByTypeOfSecurityTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfAvailableForSaleInvestmentsByClassificationInConsolidatedBalanceSheetsTextBlock" name="FairValuesOfAvailableForSaleInvestmentsByClassificationInConsolidatedBalanceSheetsTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfAvailableForSaleInvestmentsByContractualMaturityTextBlock" name="FairValuesOfAvailableForSaleInvestmentsByContractualMaturityTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_InventoriesTextBlock" name="InventoriesTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StockRepurchaseProgramTextBlock" name="StockRepurchaseProgramTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CarryingValueAndEstimatedFairValueOfOurConvertibleNotesModifiedConvertibleNotesAndOtherNotesTextBlock" name="CarryingValueAndEstimatedFairValueOfOurConvertibleNotesModifiedConvertibleNotesAndOtherNotesTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_EffectivePortionOfUnrealizedGainLossRecognizedInOtherComprehensiveIncomeForOurCashFlowHedgeContractsTextBlock" name="EffectivePortionOfUnrealizedGainLossRecognizedInOtherComprehensiveIncomeForOurCashFlowHedgeContractsTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsTextBlock" name="StatementsOfIncomeAndEffectivePortionOfGainLossReclassifiedFromAccumulatedOtherComprehensiveIncomeIntoIncomeForOurCashFlowHedgeContractsTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_StatementsOfIncomeAndAmountOfGainRecognizedInIncomeForDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsTextBlock" name="StatementsOfIncomeAndAmountOfGainRecognizedInIncomeForDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfBothDerivativesDesignatedAsHedgingInstrumentsAndNotDesignatedAsHedgingInstrumentsIncludedInConsolidatedBalanceSheetsTextBlock" name="FairValuesOfBothDerivativesDesignatedAsHedgingInstrumentsAndNotDesignatedAsHedgingInstrumentsIncludedInConsolidatedBalanceSheetsTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BiovexGroupIncMember" name="BiovexGroupIncMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_OtherNotes" name="OtherNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="amgn_BusinessAcquisitionPurchasePriceAllocationOtherAssetsAndLiabilitiesAcquiredNet" name="BusinessAcquisitionPurchasePriceAllocationOtherAssetsAndLiabilitiesAcquiredNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="amgn_DerivativeLowerRangeVariableInterestRate" name="DerivativeLowerRangeVariableInterestRate" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_DerivativeHigherRangeVariableInterestRate" name="DerivativeHigherRangeVariableInterestRate" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_FairValuesOfBothDerivativesDesignatedAsHedgingInstrumentsAndNotDesignatedAsHedgingInstrumentsIncludedInCondensedConsolidatedBalanceSheets" name="FairValuesOfBothDerivativesDesignatedAsHedgingInstrumentsAndNotDesignatedAsHedgingInstrumentsIncludedInCondensedConsolidatedBalanceSheets" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_MultipleElementArrangementRevenueRecognitionPolicyTextBlock" name="MultipleElementArrangementRevenueRecognitionPolicyTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CostSavingsInitiativesAbstract" name="CostSavingsInitiativesAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CostSavingsInitiativesDetailsAbstract" name="CostSavingsInitiativesDetailsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_CostSavingsInitiativesTextualsAbstract" name="CostSavingsInitiativesTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_AdjustedEffectiveTaxRateExcludingPrTax" name="AdjustedEffectiveTaxRateExcludingPrTax" type="us-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="amgn_BusinessCombinationContingentConsiderationSubsequentFairValue" name="BusinessCombinationContingentConsiderationSubsequentFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
</schema>
</XBRL>