2.2.0.25falsefalse1320 - Disclosure - Inventories (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($) / shares
USD ($)
$FROM_Jan01_2010_TO_Dec31_2010http://www.sec.gov/CIK0000773910duration2010-01-01T00:00:002010-12-31T00:00:00usdPerShrDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0MMboeStandardhttp://www.anadarko.com/20101231MMboeapc0USDUSD$5false0apc_InventoryDisclosureTableTextBlockapcfalsenadurationInventory Disclosure Tablefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel| 1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 51px; text-align:left;border-color:#000000;min-width:51px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 51px; text-align:left;border-color:#000000;min-width:51px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"><font style="FONT-STYLE: italic;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;">millions</font></td><td colspan="2" style="width: 61px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:61px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: center;">2010</font></td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:60px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: center;">2009</font></td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;">Crude oil</font></td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: center;">$</font></td><td style="width: 51px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:51px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">126</font></td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: center;">$</font></td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">97</font></td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;">Natural gas</font></td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 51px; text-align:right;border-color:#000000;min-width:51px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">64</font></td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">94</font></td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;">NGLs</font></td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 51px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:51px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">61</font></td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">45</font></td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;">Total</font></td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: center;">$</font></td><td style="width: 51px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:51px;"><font style="FONT-WEIGHT: bold;FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">251</font></td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: center;">$</font></td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"><font style="FONT-FAMILY: Times New Roman;FONT-SIZE: 10.5pt;COLOR: #000000;TEXT-ALIGN: right;">236</font></td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 51px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:51px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 18px"><td style="width: 539px; text-align:left;border-color:#000000;min-width:539px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 51px; text-align:left;border-color:#000000;min-width:51px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>            millions2010 2009Crude oil$126 $97Naturalfalsefalsefalsefalsefalse | Otherus-types:textBlockItemTypestringInventory Disclosure TableNo authoritative reference available.falsefalse
11Inventories (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue