2.4.0.80001000 - Document - Document And Entity Informationtruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0001135017duration2013-01-01T00:00:002013-06-30T00:00:002false USDfalsefalse$I2012Q2Jun29http://www.sec.gov/CIK0001135017instant2012-06-29T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false truefalseI2013Q2SD_us-gaap_StatementClassOfStockAxis_us-gaap_NonvotingCommonStockMemberhttp://www.sec.gov/CIK0001135017instant2013-07-26T00:00:000001-01-01T00:00:00falsefalseListed Shares [Member]us-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NonvotingCommonStockMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli04false truefalseI2013Q2SD_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMemberhttp://www.sec.gov/CIK0001135017instant2013-07-26T00:00:000001-01-01T00:00:00falsefalseVoting Shares [Member]us-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassAMemberus-gaap_StatementClassOfStockAxisexplicitMembersharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli01true 2dei_EntityInformationLineItemsdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Entity Information [Line Items]2false 3dei_EntityRegistrantNamedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00KINDER MORGAN MANAGEMENT LLCfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:normalizedStringItemTypenormalizedstringThe exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 false0Entity Registrant Name3false 3dei_EntityCentralIndexKeydei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse000001135017falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:centralIndexKeyItemTypenaA unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 false0Entity Central Index Key4false 3dei_CurrentFiscalYearEndDatedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00--12-31falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:gMonthDayItemTypemonthdayEnd date of current fiscal year in the format --MM-DD.No definition available.false0Current Fiscal Year End Date5false 3dei_EntityWellKnownSeasonedIssuerdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00Yesfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:yesNoItemTypenaIndicate "Yes" or "No" if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.No definition available.false0Entity Well-known Seasoned Issuer6false 3dei_EntityVoluntaryFilersdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00Nofalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:yesNoItemTypenaIndicate "Yes" or "No" if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.No definition available.false0Entity Voluntary Filers7false 3dei_EntityCurrentReportingStatusdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00Yesfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:yesNoItemTypenaIndicate "Yes" or "No" whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.No definition available.false0Entity Current Reporting Status8false 3dei_EntityFilerCategorydei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00Large Accelerated Filerfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:filerCategoryItemTypestringIndicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated) or (5) Smaller Reporting Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.No definition available.false0Entity Filer Category9false 3dei_EntityPublicFloatdei_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse63596697346359669734USD$falsetruefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryState aggregate market value of voting and non-voting common equity held by non-affiliates computed by reference to price at which the common equity was last sold, or average bid and asked price of such common equity, as of the last business day of registrant's most recently completed second fiscal quarter. The public float should be reported on the cover page of the registrants form 10K.No definition available.false2Entity Public Float10false 3dei_EntityCommonStockSharesOutstandingdei_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse119725682119725682falsefalsefalse4truefalsefalse44falsefalsefalsexbrli:sharesItemTypesharesIndicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.No definition available.false1Entity Common Stock, Shares Outstanding11false 3dei_DocumentFiscalYearFocusdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002013falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:gYearItemTypepositiveintegerThis is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.No definition available.false0Document Fiscal Year Focus12false 3dei_DocumentFiscalPeriodFocusdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00Q2falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:fiscalPeriodItemTypenaThis is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.No definition available.false0Document Fiscal Period Focus13false 3dei_DocumentTypedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse0010-Qfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsedei:submissionTypeItemTypestringThe type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".No definition available.false0Document Type14false 3dei_AmendmentFlagdei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:booleanItemTypenaIf the value is true, then the document is an amendment to previously-filed/accepted document.No definition available.false0Amendment Flag15false 3dei_DocumentPeriodEndDatedei_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002013-06-30falsefalsetrue2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateThe end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.No definition available.false0Document Period End DatefalseDocument And Entity Information (USD $)NoRoundingNoRoundingUnKnownUnKnowntruefalsefalseSheethttp://kindermorgan.com/role/DocumentAndEntityInformation415