<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Version>2.2.0.25</Version>
  <ReportType />
  <MyReports>
    <Report>
      <IsDefault>true</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>001000 - Statement - CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME</ShortName>
      <Role>http://kindermorgan.com/role/ConsolidatedStatementsOfOperations</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R1.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>002000 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <Role>http://kindermorgan.com/role/BalanceSheets</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R2.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>002010 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <Role>http://kindermorgan.com/role/ParentheticalDataToTheBalanceSheets</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R3.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>003000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <Role>http://kindermorgan.com/role/StatementsOfCashFlows</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R4.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>004000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <Role>http://kindermorgan.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R5.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>004010 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</LongName>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</ShortName>
      <Role>http://kindermorgan.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R6.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>005000 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY</LongName>
      <ShortName>CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY</ShortName>
      <Role>http://kindermorgan.com/role/ConsolidatedStatementsOfShareholdersEquity</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R7.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006010 - Disclosure - General</LongName>
      <ShortName>General</ShortName>
      <Role>http://kindermorgan.com/role/General</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R8.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006020 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <Role>http://kindermorgan.com/role/SummaryOfSignificantAccountingPolicies</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R9.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006030 - Disclosure - Capitalization</LongName>
      <ShortName>Capitalization</ShortName>
      <Role>http://kindermorgan.com/role/Capitalization</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R10.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006040 - Disclosure - Business Activities and Related Party Transactions</LongName>
      <ShortName>Business Activities and Related Party Transactions</ShortName>
      <Role>http://kindermorgan.com/role/BusinessActivitiesAndRelatedPartyTransactions</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R11.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006050 - Disclosure - Summarized Financial Information for Kinder Morgan Energy Partners, L.P.</LongName>
      <ShortName>Summarized Financial Information for Kinder Morgan Energy Partners, L.P.</ShortName>
      <Role>http://kindermorgan.com/role/SummarizedIncomeStatementInformationForKinderMorganEnergyPartnersLp</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R12.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006060 - Disclosure - Income Taxes</LongName>
      <ShortName>Income Taxes</ShortName>
      <Role>http://kindermorgan.com/role/IncomeTaxes</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R13.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006080 - Disclosure - Quarterly Financial Data (Unaudited)</LongName>
      <ShortName>Quarterly Financial Data (Unaudited)</ShortName>
      <Role>http://kindermorgan.com/role/QuarterlyFinancialDataUnaudited</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R14.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>006090 - Disclosure - Supplemental Information on Oil and Gas Producing Activities (Unaudited)</LongName>
      <ShortName>Supplemental Information on Oil and Gas Producing Activities (Unaudited)</ShortName>
      <Role>http://kindermorgan.com/role/SupplementalInformationOnOilAndGasProducingActivitiesUnaudited</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R15.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>995200 - Document - Document Information</LongName>
      <ShortName>Document Information</ShortName>
      <Role>http://xbrl.us/us-gaap/role/document/DocumentInformation</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R16.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>995400 - Document - Entity Information</LongName>
      <ShortName>Entity Information</ShortName>
      <Role>http://xbrl.us/us-gaap/role/document/EntityInformation</Role>
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName>R17.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Book</ReportType>
      <LongName>All Reports</LongName>
      <ShortName>All Reports</ShortName>
      <Role />
      <ContainEmbeddedReports>false</ContainEmbeddedReports>
      <XmlFileName />
    </Report>
  </MyReports>
  <EntityCount>1</EntityCount>
  <ContextCount>34</ContextCount>
  <SegmentCount>4</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <UnitCount>3</UnitCount>
  <ElementCount>75</ElementCount>
  <FootnotesReported>false</FootnotesReported>
  <TuplesReported>false</TuplesReported>
  <ContextSummary>
    <ContextSummary>
      <ContextName>c00032</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00021</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00031</ContextName>
      <ElementCount>4</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00025</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00028</ContextName>
      <ElementCount>48</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00006</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00008</ContextName>
      <ElementCount>3</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00004</ContextName>
      <ElementCount>28</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00027</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00014</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00013</ContextName>
      <ElementCount>21</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00016</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00033</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00026</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00009</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00022</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00017</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00024</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00020</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00030</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00005</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00015</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00001</ContextName>
      <ElementCount>3</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00023</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00010</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00019</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00012</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00029</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00011</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00018</ContextName>
      <ElementCount>21</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00000</ContextName>
      <ElementCount>28</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00002</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00007</ContextName>
      <ElementCount>4</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>c00003</ContextName>
      <ElementCount>4</ElementCount>
    </ContextSummary>
  </ContextSummary>
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
