2.2.0.7 false Inventories 0204 - Disclosure - Inventories true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Inventories [Abstract] 0 us-gaap_InventoryNetAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Inventories 1 us-gaap_InventoryDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif"> <div align="left" style="font-size: 10.5pt; margin-top: 21pt"><b>Note 4—Inventories</b> </div> <div align="left" style="font-size: 10.5pt; margin-top: 10.5pt">Inventories consisted of the following: </div> <div align="center"> <table style="font-size: 10.5pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">  <tr valign="bottom"> <td width="76%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> </tr> <tr style="font-size: 10.5pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000">Millions of Dollars</td> <td> </td> </tr> <tr style="font-size: 10.5pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="right" colspan="2"><b>  September 30</b></td> <td> </td> <td> </td> <td nowrap="nowrap" align="right" colspan="2">December 31</td> <td> </td> </tr> <tr style="font-size: 10.5pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="right" colspan="2"><b>2010</b></td> <td> </td> <td> </td> <td nowrap="nowrap" align="right" colspan="2">2009</td> <td> </td> </tr>   <tr style="font-size: 1px"> <td> </td> <td> </td> <td colspan="6" align="left" style="border-top: 1px solid #000000"> </td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">  </div></td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Crude oil and petroleum products </div></td> <td> </td> <td align="left"><b>$  </b></td> <td align="right"><b>6,771</b></td> <td> </td> <td> </td> <td> </td> <td align="right">3,955</td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px">Materials, supplies and other </div></td> <td> </td> <td> </td> <td align="right"><b>970</b></td> <td> </td> <td> </td> <td> </td> <td align="right">985</td> <td> </td> </tr> <tr style="font-size: 1px"> <td colspan="8" align="left" style="border-top: 1px solid #000000"> </td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">  </div></td> <td> </td> <td align="left"><b>$  </b></td> <td align="right"><b>7,741</b></td> <td> </td> <td> </td> <td> </td> <td align="right">4,940</td> <td> </td> </tr> <tr style="font-size: 1px"> <td colspan="8" align="left" style="border-top: 3px double #000000"> </td> <td> </td> </tr>  </table> </div> <div align="left" style="font-size: 10.5pt; margin-top: 21pt">Inventories valued on the last-in, first-out (LIFO) basis totaled $6,563 million and $3,747 million at September 30, 2010, and December 31, 2009, respectively. The excess of current replacement cost over LIFO cost of inventories amounted to $5,666 million and $5,627 million at September 30, 2010, and December 31, 2009, respectively. </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock This element represents the complete disclosure related to inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 3 -Section A -Paragraph 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a, b, c -Article 5 false 1 2 false UnKnown UnKnown UnKnown false true