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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. true2Net income attributable to Access Midstream Partners, L.P.18true 4us-gaap_PartnershipIncomeAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Limited partner interest in net income19false 5acmp_NetIncomeLossAllocatedToPartnershipacmp_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse6921300069213USD$falsefalsefalse2truefalsefalse5160600051606USD$falsefalsefalse3truefalsefalse128751000128751USD$falsefalsefalse4truefalsefalse103972000103972USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate amount of net income allocated to general and limited partners from closing of the Partnership's initial public offering on August 3, 2010.No definition available.false2Net income attributable to Access Midstream Partners, L.P.20false 5us-gaap_NetIncomeLossAllocatedToGeneralPartnersus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-5995000-5995USD$falsefalsefalse2truefalsefalse-1752000-1752USD$falsefalsefalse3truefalsefalse-10787000-10787USD$falsefalsefalse4truefalsefalse-3181000-3181USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate amount of net income allocated to general partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section F false2Less general partner interest in net income21false 5us-gaap_NetIncomeLossAllocatedToLimitedPartnersus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse6321800063218USD$falsetruefalse2truefalsefalse4985400049854USD$falsetruefalse3truefalsefalse117964000117964USD$falsetruefalse4truefalsefalse100791000100791USD$falsetruefalsexbrli:monetaryItemTypemonetaryAggregate amount of net income allocated to limited partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187171-122770 true2Limited partner interest in net income22false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5false USDtruefalse$C_0001483096_us-gaapPartnerCapitalComponentsAxis_us-gaapLimitedPartnerMember_us-gaapStatementEquityComponentsAxis_acmpCommonUnitsMember_20130401_20130630http://www.sec.gov/CIK0001483096duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseLimited Partners Commonus-gaap_PartnerCapitalComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LimitedPartnerMemberus-gaap_PartnerCapitalComponentsAxisexplicitMemberfalsefalseCommon Unitsus-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldiacmp_CommonUnitsMemberus-gaap_StatementEquityComponentsAxisexplicitMemberU_iso4217USD_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0USDUSD$nanafalse0Limited Partners Common | Common Units23true 4us-gaap_PartnershipIncomeAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Limited partner interest in net income24false 4us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDilutedus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse0.180.18USD$falsetruefalse2truefalsefalse0.340.34USD$falsetruefalse3truefalsefalse0.320.32USD$falsetruefalse4truefalsefalse0.680.68USD$falsetruefalsenum:perShareItemTypedecimalThe amount of net income or loss for the period per each limited partnership and general partnership unit in instances when basic and diluted earnings per unit are the same amount and aggregated on the face of the financial statements. 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Diluted earnings per unit includes the amount of net income or loss for the period available to each limited and general partnership unit outstanding during the reporting period and to each unit that would have been outstanding assuming the issuance of units for all dilutive potential units outstanding during the reporting period.No definition available.false3Net income per unit - basic and diluted25false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse9false USDtruefalse$C_0001483096_us-gaapPartnerCapitalComponentsAxis_us-gaapLimitedPartnerMember_us-gaapStatementEquityComponentsAxis_acmpSubordinatedUnitMember_20130401_20130630http://www.sec.gov/CIK0001483096duration2013-04-01T00:00:002013-06-30T00:00:00falsefalseLimited Partners Commonus-gaap_PartnerCapitalComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LimitedPartnerMemberus-gaap_PartnerCapitalComponentsAxisexplicitMemberfalsefalseSubordinated Unitus-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldiacmp_SubordinatedUnitMemberus-gaap_StatementEquityComponentsAxisexplicitMemberU_iso4217USD_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0USDUSD$nanafalse0Limited Partners Common | Subordinated Unit26true 4us-gaap_PartnershipIncomeAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Limited partner interest in net income27false 4us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAndDilutedus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse0.310.31USD$falsetruefalse2truefalsefalse0.340.34USD$falsetruefalse3truefalsefalse0.600.60USD$falsetruefalse4truefalsefalse0.680.68USD$falsetruefalsenum:perShareItemTypedecimalThe amount of net income or loss for the period per each limited partnership and general partnership unit in instances when basic and diluted earnings per unit are the same amount and aggregated on the face of the financial statements. 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