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1.0.0.3 false CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES false 1 $ false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 5 CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES 3 us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock us-gaap true na duration string No definition available. false false false false false false false false false 1 false false 0 0 <div> Note 2—CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES As of December 31, 2009 and 2008 our cash, cash equivalents, and marketable securities primarily consisted of cash, government and government agency securities, AAA-rated money market funds and other investment grade securities. Such amounts are recorded at fair value. The following table summarizes, by major security type, our cash, cash equivalents and marketable securities (in millions):   <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <td width="63%"></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="12">December 31, 2009</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Cost or Amortized Cost</td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Gross Unrealized Gains</td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Gross Unrealized Losses</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Total Estimated Fair Value</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Cash </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">391</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">391</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Money market funds </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,750</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,750</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Foreign government and agency securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,992</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">7</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,999</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Corporate debt securities (1) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">206</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">211</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> U.S. government and agency securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,268</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(5</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,268</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Asset-backed securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">44</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">46</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Other fixed income securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">6</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">6</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Equity securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"></td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,659</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">19</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(6</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,672</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> <tr> <td valign="top"> Less: Long-term marketable securities (2) </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(306</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Total cash, cash equivalents, and marketable securities </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,366</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table>   <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <td width="63%"></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="12">December 31, 2008</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Cost or Amortized Cost</td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Gross Unrealized Gains</td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Gross Unrealized Losses</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Total Estimated Fair Value</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Cash </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">355</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">355</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Money market funds </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,682</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,682</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Foreign government and agency securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,120</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,128</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Corporate debt securities (1) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">194</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">194</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> U.S. government and agency securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">589</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">594</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Asset-backed securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">62</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(4</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">58</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Other fixed income securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">23</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">23</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Equity securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"></td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,027</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">15</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(7</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,035</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> <tr> <td valign="top"> Less: Long-term marketable securities (2) </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(308</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Total cash, cash equivalents, and marketable securities </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,727</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table>   <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <td valign="top" align="left" width="4%">(1)</td> <td valign="top" align="left">Corporate debt securities include investments in financial, insurance, and corporate institutions. No single issuer represents a significant portion of the total corporate debt securities portfolio.</td> </tr> </table> <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <td valign="top" align="left" width="4%">(2)</td> <td valign="top" align="left">We are required to pledge or otherwise restrict a portion of our marketable securities as collateral for standby letters of credit, guarantees, debt, and real estate lease agreements. We classify cash and marketable securities with use restrictions of twelve months or longer as non-current “Other assets” on our consolidated balance sheets. See “Note 7—Commitments and Contingencies.”</td> </tr> </table> The following table summarizes gross gains and gross losses realized on sales of available-for-sale marketable securities (in millions):   <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <td width="76%"></td> <td valign="bottom" width="7%"></td> <td></td> <td></td> <td valign="bottom" width="7%"></td> <td></td> <td></td> <td valign="bottom" width="7%"></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="8">Year Ended December 31,</td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">    2009    </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">    2008    </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">    2007    </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Realized gains </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">9</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> </tr> <tr> <td valign="top"> Realized losses </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">7</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3</td> </tr> </table> The following table summarizes contractual maturities of our cash equivalent and marketable fixed-income securities as of December 31, 2009 (in millions):   <table cellspacing="0" cellpadding="0" width="92%" align="center" border="0"> <tr> <td width="78%"></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Amortized Cost</td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Estimated Fair Value</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Due within one year </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,908</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,909</td> </tr> <tr> <td valign="top"> Due after one year through five years </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,358</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,371</td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"></td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,266</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,280</td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> </tr> </table>   The following table summarizes, by major security type, our assets that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy (in millions):   <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <td width="62%"></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="14">December 31, 2009</td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Cash</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Level 1 Estimated Fair Value</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Level 2 Estimated Fair Value</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Level 3 Estimated Fair Value</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Total Estimated Fair Value</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Cash </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">391</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">391</td> </tr> <tr> <td valign="top"> Money market funds </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,750</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,750</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Foreign government and agency securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,999</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,999</td> </tr> <tr> <td valign="top"> Corporate debt securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">211</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">211</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> U.S. government and agency securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,268</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,268</td> </tr> <tr> <td valign="top"> Asset-backed securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">46</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">46</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Other fixed income securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">6</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">6</td> </tr> <tr> <td valign="top"> Equity securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1</td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"></td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">391</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,751</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,530</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,672</td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> </tr> </table>   <table cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <td width="62%"></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="14">December 31, 2008</td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Cash</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Level 1 Estimated Fair Value</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Level 2 Estimated Fair Value</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Level 3 Estimated Fair Value</td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center" colspan="2">Total Estimated Fair Value</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Cash </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">355</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">355</td> </tr> <tr> <td valign="top"> Money market funds </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,682</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,682</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Foreign government and agency securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,128</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,128</td> </tr> <tr> <td valign="top"> Corporate debt securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">194</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">194</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> U.S. government and agency securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">594</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">594</td> </tr> <tr> <td valign="top"> Asset-backed securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">58</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">58</td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Other fixed income securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">23</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">23</td> </tr> <tr> <td valign="top"> Equity securities </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1</td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"></td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">355</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,683</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,997</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,035</td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> </tr> </table> </div> Note 2—CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES As of December 31, 2009 and 2008 our cash, cash equivalents, and marketable securities false false No definition available. No authoritative reference available. false false 1 1 false UnKnown UnKnown UnKnown false true