2.2.0.25falsefalse30703 - Disclosure - Inventories (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) / shares USD ($) $Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0000936468duration2010-01-01T00:00:002010-12-31T00:00:00Unit13Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0us-gaap_InventoryNetAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefa lsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse3false0lmt_ScheduleOfInventoriesTextBlocklmtfalsenadurationSchedule Of Inventories [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="80%"> </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 style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><i>&nbsp;&nbsp;&nbsp;&nbsp;(In millions)</i></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2"><b><i>2010</i></b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="2"><i>2009</i></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;</font></td></tr> <tr bgcolor="#cceeff"><td valign="top"> <p style="margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Work-in-process, primarily related to long-term contracts and programs in progress</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>$</b></font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>6,523</b></font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;&nbsp;</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">5,565</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr><td style="border-bottom: #000000 1px solid;" valign="top"> <p style="margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Less: customer advances and progress payments</font></p></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;</b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>(4,788</b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>)&nbsp;</b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(3,941</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">)&nbsp;</font></td></tr> <tr bgcolor="#cceeff"><td valign="top"> </td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;</b></font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>1,735</b></font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;&nbsp;</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">1,624</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr><td style="border-bottom: #000000 1px solid;" valign="top"> <p style="margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Other inventories</font></p></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;</b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>643</b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;&nbsp;</b></font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">559</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr bgcolor="#cceeff"><td style="border-bottom: #000000 2px solid;" valign="top"><font class="_mt" size="1">&nbsp;</font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>$</b></font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>2,378</b></font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>&nbsp;&nbsp;</b></font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">2,183</font></td> <td style="border-bottom: #000000 2px solid;" valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr></table> </div>&nbsp;&nbsp;&nbsp;&nbsp;(In millions) &nbsp;&nbsp; 2010 &nbsp; &nbsp;&nbsp; 2009 &nbsp; Work-in-process, primarily related to long-term contracts andfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Inventories [Text Block]No authoritative reference available.falsefalse12Inventories (Tables)UnKnownUnKnownUnK nownUnKnownfalsetrue