2.2.0.25falsefalse30403 - Disclosure - Fair Value Disclosure (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
$Duration_1_1_2011_To_3_31_2011http://www.sec.gov/CIK0001037949duration2011-01-01T00:00:002011-03-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit15Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0us-gaap_FinancialInstrumentsOwnedAtFairValueAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse| 1falsefalsefalse00falsefalsefalsefalsefalse | Otherxbrli:stringItemTypestringNo definition available.falsefalse
3false0us-gaap_FairValueByBalanceSheetGroupingTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse| 1falsefalsefalse00<div> <table style="width: 92%;" class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="92%">
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<td style="padding-bottom: 0in; padding-left: 0in; width: 7%; padding-right: 0in; padding-top: 0in;" valign="bottom" width="7%"> </td>
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<td style="padding-bottom: 0in; padding-left: 0in; width: 7%; padding-right: 0in; padding-top: 0in;" valign="bottom" width="7%"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;"> </td>
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<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;"> </td></tr>
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<p class="MsoNormal"> </p></td>
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<p class="MsoNormal"> </p></td>
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<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: black 1pt solid; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: medium none; border-right: medium none; padding-top: 0in;" valign="bottom" colspan="6">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt">Fair Value As Of</font></b></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td></tr>
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<p class="MsoNormal"> </p></td>
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<p class="MsoNormal"> </p></td>
<td style="border-bottom: black 1pt solid; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: medium none; border-right: medium none; padding-top: 0in;" valign="bottom" colspan="2">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt"> Level </font></b></p></td>
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<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
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<td style="border-bottom: black 1pt solid; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: medium none; border-right: medium none; padding-top: 0in;" valign="bottom" colspan="2">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt">March 31, 2011</font></b></p></td>
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<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: black 1pt solid; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: medium none; border-right: medium none; padding-top: 0in;" valign="bottom" colspan="2">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt">December 31, 2010</font></b></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td></tr>
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<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" colspan="2">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
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<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" colspan="6">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt">(Dollars in millions)</font></b></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 12pt;"><font style="font-size: 10pt;" class="_mt">Assets:</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 24pt;"><font style="font-size: 10pt;" class="_mt">Auction rate securities</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">3</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"><font style="font-size: 10pt;" class="_mt">$</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt"> $92</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt"> 92</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
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<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 12pt;"><font style="font-size: 10pt;" class="_mt">Total assets</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"><font style="font-size: 10pt;" class="_mt">$</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">$92</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">92</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 12pt;"><font style="font-size: 10pt;" class="_mt">Liabilities:</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 24pt;"><font style="font-size: 10pt;" class="_mt">Long-term notes, including the current maturities</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">2</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"><font style="font-size: 10pt;" class="_mt">$</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">$12,292</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">12,480</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 12pt;"><font style="font-size: 10pt;" class="_mt">Total liabilities</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"><font style="font-size: 10pt;" class="_mt">$</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">$12,292</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">12,480</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td></tr></table> </div>
Fair Value Asfalsefalsefalsefalsefalse | Otherus-types:textBlockItemTypestringThis item represents certain of the disclosures concerning 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 certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 159
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-Subparagraph c(2), d, e, f
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-Name Statement of Financial Accounting Standard (FAS)
-Number 107
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 159
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-Subparagraph a, b, c(1), d(1)
Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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falsefalse
4false0q_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlockqfalsenadurationFair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel| 1falsefalsefalse00<div> <table style="width: 68%;" class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="68%">
<tr><td style="padding-bottom: 0in; padding-left: 0in; width: 76%; padding-right: 0in; padding-top: 0in;" width="76%"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; width: 22%; padding-right: 0in; padding-top: 0in;" valign="bottom" width="22%"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;"> </td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: black 1pt solid; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: medium none; border-right: medium none; padding-top: 0in;" valign="bottom" colspan="2">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt">Auction Rate<br />Securities</font></b></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" colspan="2">
<p style="text-align: center;" class="MsoNormal" align="center"><b><font style="font-size: 7.5pt;" class="_mt">(Dollars in millions)</font></b></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 12pt;"><font style="font-size: 10pt;" class="_mt">Balance at December 31, 2010</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"><font style="font-size: 10pt;" class="_mt">$</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">92</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 24pt;"><font style="font-size: 10pt;" class="_mt">Transfers into (out of) Level 3</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">—</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 24pt;"><font style="font-size: 10pt;" class="_mt">Additions</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">—</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 24pt;"><font style="font-size: 10pt;" class="_mt">Dispositions and settlements</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">—</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 24pt;"><font style="font-size: 10pt;" class="_mt">Realized and unrealized (losses) gains:</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom"> </td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top">
<p style="margin-left: 0.5in;"><font style="font-size: 10pt;" class="_mt">Included in other income (expense), net</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">—</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="top">
<p style="margin-left: 0.5in;"><font style="font-size: 10pt;" class="_mt">Included in other comprehensive income</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">—</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; background: #bcddf7; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 1pt solid; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="top">
<p style="text-indent: -12pt; margin-left: 12pt;"><font style="font-size: 10pt;" class="_mt">Balance at March 31, 2011</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"><font style="font-size: 10pt;" class="_mt">$</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p style="text-align: right;" class="MsoNormal" align="right"><font style="font-size: 10pt;" class="_mt">92</font></p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom" nowrap="nowrap">
<p class="MsoNormal"> </p></td></tr>
<tr><td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom"> </td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="border-bottom: medium none; border-left: medium none; padding-bottom: 0in; padding-left: 0in; padding-right: 0in; border-top: black 3px double; border-right: medium none; padding-top: 0in;" valign="bottom">
<p class="MsoNormal"> </p></td>
<td style="padding-bottom: 0in; padding-left: 0in; padding-right: 0in; padding-top: 0in;">
<p class="MsoNormal"> </p></td></tr></table> </div>
Auction RateSecurities
(Dollars in millions)
Balance at December 31,falsefalsefalsefalsefalse | Otherus-types:textBlockItemTypestringFair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Text Block]No authoritative reference available.falsefalse
13Fair Value Disclosure (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue