2.2.0.25falsefalse0210 - Disclosure - Fair value measurementtruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011 USD ($) USD ($) / shares $Jan-01-2011_Mar-31-2011http://www.sec.gov/CIK0000318154duration2011-01-01T00:00:002011-03-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0amgn_FairValueMeasurementAbstractamgnfalsenadurationFair value measurement.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringFair value measurement.falsefalse3false0us-gaap_FairValueDisclosuresTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --> <!-- Begin Block Tagged Note 10 - us-gaap:FairValueDisclosuresTextBlock--> <div style="font-family: 'Times New Roman',Times,serif"> <div align="left" style="font-size: 10pt; margin-top: 10pt"><b>10. Fair value measurement</b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">We use various valuation approaches in determining the fair value of our financial assets and liabilities within a hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that observable inputs be used when available. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that reflect the Company&#8217;s assumptions about the inputs that market participants would use in pricing the asset or liability and are developed based on the best information available in the circumstances. The fair value hierarchy is broken down into three levels based on the source of inputs as follows: </div> <div align="center"> <table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%"> <!-- Begin Table Head --> <tr valign="bottom"> <td width="7%">&#160;</td> <td width="1%">&#160;</td> <td width="3%">&#160;</td> <td width="1%">&#160;</td> <td width="88%">&#160;</td> </tr> <!-- End Table Head --> <!-- Begin Table Body --> <tr valign="bottom"> <td valign="top"> <div style="margin-left:0px; text-indent:-0px">Level 1 </div></td> <td>&#160;</td> <td align="left" valign="top">&#8212; </td> <td>&#160;</td> <td align="left" valign="top">Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to access</td> </tr> <tr valign="bottom"><!-- Blank Space --> <td valign="top"> <div style="margin-left:0px; text-indent:-0px">&#160; </div></td> <td>&#160;</td> <td align="left" valign="top">&#160;</td> <td>&#160;</td> <td align="left" valign="top">&#160;</td> </tr> <tr valign="bottom"> <td valign="top"> <div style="margin-left:0px; text-indent:-0px">Level 2 </div></td> <td>&#160;</td> <td align="left" valign="top">&#8212; </td> <td>&#160;</td> <td align="left" valign="top">Valuations for which all significant inputs are observable, either directly or indirectly, other than level 1 inputs</td> </tr> <tr valign="bottom"><!-- Blank Space --> <td valign="top"> <div style="margin-left:0px; text-indent:-0px">&#160; </div></td> <td>&#160;</td> <td align="left" valign="top">&#160;</td> <td>&#160;</td> <td align="left" valign="top">&#160;</td> </tr> <tr valign="bottom"> <td valign="top"> <div style="margin-left:0px; text-indent:-0px">Level 3 </div></td> <td>&#160;</td> <td align="left" valign="top">&#8212; </td> <td>&#160;</td> <td align="left" valign="top">Valuations based on inputs that are unobservable and significant to the overall fair value measurement</td> </tr> <!-- End Table Body --> </table> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">The availability of observable inputs can vary among the various types of financial assets and liabilities. To the extent that the valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires more judgment. In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for financial statement disclosure purposes, the level in the fair value hierarchy within which the fair value measurement is categorized is based on the lowest level of input used that is significant to the overall fair value measurement. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">The following fair value hierarchy tables present information about each major class of the Company&#8217;s financial assets and liabilities measured at fair value on a recurring basis (in millions): </div> <!-- Folio --> <!-- /Folio --> </div> <!-- PAGEBREAK --> <div style="font-family: 'Times New Roman',Times,serif"> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> <b> </b> </div> <div align="center"> <table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%"> <!-- Begin Table Head --> <tr valign="bottom"> <td width="45%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="7%">&#160;</td> <td width="1%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="7%">&#160;</td> <td width="1%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="7%">&#160;</td> <td width="1%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="7%">&#160;</td> <td></td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>Quoted prices in</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>Significant</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2">&#160;</td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>active markets for</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>&#160;&#160;other observable&#160;&#160;</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>&#160;&#160;&#160;&#160;&#160;&#160;unobservable&#160;&#160;&#160;&#160;&#160;&#160;</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2">&#160;</td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td align="left"><b>Fair value measurement</b></td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>identical assets</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>inputs</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2"><b>inputs</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2">&#160;</td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td align="left" style="border-bottom: 1px solid #000000"><b>as of March 31, 2011 using:</b></td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>(Level 1)</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>(Level 2)</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>(Level 3)</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Total&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</b></td> </tr> <!-- End Table Head --> <!-- Begin Table Body --> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; 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margin-top: 0pt"> <b> </b> <b> </b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">The fair value of our U.S. Treasury securities, money market mutual funds and equity securities are based on quoted market prices in active markets with no valuation adjustment. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">Substantially all of our other government related and corporate debt securities are investment grade with maturity dates of five years or less. Our other government related debt securities portfolio is comprised of securities with a weighted average credit rating of &#8220;AAA&#8221; or equivalent by Standard and Poor&#8217;s (S&#038;P), Moody&#8217;s Investors Services, Inc. (Moody&#8217;s) or Fitch, Inc. (Fitch), and our corporate debt securities portfolio has a weighted average credit rating of &#8220;A&#8221; or equivalent by S&#038;P, Moody&#8217;s or Fitch. We estimate the fair value of these securities taking into consideration valuations obtained from third-party pricing services. The pricing services utilize industry standard valuation models, including both income and market based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades and broker/dealer quotes of the same or similar securities, issuer credit spreads, benchmark securities and other observable inputs. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">Our mortgage and asset backed securities portfolio is comprised entirely of senior tranches, with a credit rating of &#8220;AAA&#8221; or equivalent by S&#038;P, Moody&#8217;s or Fitch. We estimate the fair value of these securities taking into consideration valuations obtained from third-party pricing services. The pricing services utilize industry standard valuation models, including both income and market based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades and broker/dealer quotes of the same or similar securities, issuer credit spreads, benchmark securities, prepayment/default projections based on historical data and other observable inputs. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">We value our other short-term interest bearing securities at amortized cost which approximates fair value given their near term maturity dates. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">Substantially all of our foreign currency forward and option derivatives contracts have maturities of three years or less and all are entered into with counterparties that have a minimum credit rating of &#8220;A-&#8221; or equivalent by S&#038;P, Moody&#8217;s or Fitch. We estimate the fair value of these contracts taking into consideration valuations obtained from a third-party valuation service that utilizes an income-based industry standard valuation model for which all significant inputs are observable, either directly or indirectly. These inputs include quoted foreign currency spot rates, forward points, London Interbank Offered Rate (LIBOR)&#160;and swap curves and obligor credit default swap rates. In addition, inputs for our foreign currency option contracts also include implied volatility measures. These inputs, where applicable, are at commonly quoted intervals. As of March 31, 2011 and December&#160;31, 2010, we had open foreign currency forward contracts with notional amounts of $3.4&#160;billion and $3.2&#160;billion, respectively, and open foreign currency option contracts with notional amounts of $300&#160;million and $398&#160;million, respectively, that were primarily Euro-based and were designated as cash flow hedges. In addition, as of March&#160;31, 2011 and December 31, 2010, we had $788&#160;million and $670&#160;million, respectively, of open foreign currency forward contracts to reduce exposure to fluctuations in value of certain assets and liabilities denominated in foreign currencies that were primarily Euro-based and that were not designated as hedges. (See Note 11, Derivative instruments.) </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">Our interest rate swap contracts are entered into with counterparties that have a minimum credit rating of &#8220;A-&#8221; or equivalent by S&#038;P, Moody&#8217;s or Fitch. We estimate the fair value of these contracts using an income-based industry standard valuation model for which all significant inputs are observable either directly or indirectly. These inputs include LIBOR and swap curves and obligor credit default swap rates. We had interest rate swap agreements with an aggregate notional amount of $3.6&#160;billion as of March&#160;31, 2011 and December&#160;31, 2010 that were designated as fair value hedges. (See Note 11, Derivative instruments.) </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">Contingent consideration obligations in connection with a business combination were incurred as a result of our acquisition of BioVex in March&#160;2011. The fair value measurements of contingent consideration obligations are based on significant unobservable inputs, and accordingly, such amounts are considered Level 3 measurements. There was no material change in the fair values of these obligations from the acquisition date through March&#160;31, 2011. For a description of the valuation methodology and related assumptions used to estimate the fair values of the contingent consideration obligations, see Note 2, Acquisitions. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">There have been no transfers of assets or liabilities between the fair value measurement levels and there were no material remeasurements to fair value during the three months ended March 31, 2011 and 2010 of assets and liabilities that are not measured at fair value on a recurring basis. </div> <!-- Folio --> <!-- /Folio --> </div> <!-- PAGEBREAK --> <div style="font-family: 'Times New Roman',Times,serif"> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> <b> </b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt"><i>Summary of the fair value of other financial instruments</i> </div> <div align="left" style="font-size: 10pt; margin-top: 6pt; text-indent:8%"><i>Short-term assets and liabilities</i> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">The estimated fair values of cash equivalents, accounts receivable and accounts payable approximate their carrying values due to the short-term nature of these financial instruments. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%"><i>Borrowings</i> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent:8%">We estimate the fair value of our convertible notes using an income-based industry standard valuation model for which all significant inputs are observable either directly or indirectly, including benchmark yields adjusted for our credit risk (Level&#160;2). The fair values of our convertible notes exclude their equity components and represent only the liability components of these instruments as their equity components are included in Common stock and additional paid-in capital in the Condensed Consolidated Balance Sheets. We estimate the fair value of our other long-term notes taking into consideration indicative prices obtained from a third party financial institution that utilizes industry standard valuation models, including both income and market based approaches, for which all significant inputs are observable, either directly or indirectly. These inputs include reported trades and broker/dealer quotes of the same or similar securities, credit spreads, benchmark yields and other observable inputs (Level&#160;2). The following tables present the carrying values and estimated fair values of our borrowings (in millions): </div> <div align="center"> <table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%"> <!-- Begin Table Head --> <tr valign="bottom"> <td width="41%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="8%">&#160;</td> <td width="1%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="8%">&#160;</td> <td width="1%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="8%">&#160;</td> <td width="1%">&#160;</td> <td width="5%">&#160;</td> <td width="1%">&#160;</td> <td width="8%">&#160;</td> <td></td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000"><b>March 31, 2011</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000"><b>December 31, 2010</b></td> <td></td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>Carrying value</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>&#160;&#160;&#160;Fair value&#160;&#160;&#160;</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>Carrying value</b></td> <td>&#160;</td> <td>&#160;</td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>&#160;&#160;&#160;Fair value&#160;&#160;&#160;</b></td> <td></td> </tr> <!-- End Table Head --> <!-- Begin Table Body --> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; 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margin-top: 0pt"> <b> </b> <b> </b> </div> </div> <!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --> <!-- Begin Block Tagged NotefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThis item represents the complete disclosure regarding the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the Company is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risk is are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15B -Subparagraph a, b Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 3, 10, 14, 15 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44A, 44B Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32, 33, 34 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15C, 15D Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -Subparagraph a-d Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 17-22, 27, 28 falsefalse12Fair value measurementUnKnownUnKnownUnKnownUnKnownfalsetrue