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v2.4.1.9

Equity and Distributions, Summary of Changes in Outstanding Units (Details) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Common Units (Unrestricted) [Member] |  |  |
Summary of changes in outstanding units [Roll Forward] |  |  |
Beginning Balance (in units) | 1,864,148,802 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 1,789,839,702 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 1,755,504,404 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Common units issued in connection with underwritten offerings (in units) |  | 36,800,000 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 18,400,000 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Common units issued in connection with at-the-market program (in units) | 1,590,334 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 15,249,378 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 7,957,090 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Common units issued in connection with DRIP and EUPP (in units) | 9,754,227 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 10,308,254 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 5,629,320 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Common units issued in connection with Step 1 of Oiltanking acquisition (in units) | 54,807,352 epd_PartnersCapitalAccountUnitsIssuedInConnectionWithOiltankingAcuqisiont / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember |  |
Common units issued in connection with the vesting and exercise of unit options (in units) | 1,014,108 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 401,764 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 427,828 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Common units issued in connection with the vesting of phantom unit awards (in units) | 23,311 epd_PartnersCapitalAccountUnitsPhantomUnitAwardssConvertedToCommonUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember |  |
Common units issued in connection with the vesting of restricted common unit awards (in units) | 2,634,074 epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 3,770,696 epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 2,633,206 epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Common units issued in connection with the vesting of other types of equity-based awards (in units) |  |  | 104,336 epd_PartnersCapitalAccountUnitsConvertedOtherAwardsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Conversion and reclassification of Class B units to common units (in units) |  | 9,040,862 us-gaap_PartnersCapitalAccountUnitsConverted / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember |
Restricted common units awards issued (in units) |  | 0 epd_PartnersCapitalAccountUnitsRestrictedUnitBasedCompensation / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 0 epd_PartnersCapitalAccountUnitsRestrictedUnitBasedCompensation / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Forfeiture of restricted common unit awards (in units) | 0 epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 0 epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 0 epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards (in units) | (894,383)us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | (1,261,854)us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | (816,482)us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Other (in units) | 17,202 epd_PartnersCapitalAccountOtherUnitsChanges / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember |  |
Ending Balance (in units) | 1,933,095,027 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 1,864,148,802 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember | 1,789,839,702 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = epd_CommonUnitsUnrestrictedMember
Restricted Common Units [Member] |  |  |
Summary of changes in outstanding units [Roll Forward] |  |  |
Beginning Balance (in units) | 7,221,214 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 7,786,972 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 7,736,432 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units issued in connection with underwritten offerings (in units) |  | 0 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units issued in connection with at-the-market program (in units) | 0 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units issued in connection with DRIP and EUPP (in units) | 0 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units issued in connection with Step 1 of Oiltanking acquisition (in units) | 0 epd_PartnersCapitalAccountUnitsIssuedInConnectionWithOiltankingAcuqisiont / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Common units issued in connection with the vesting and exercise of unit options (in units) | 0 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units issued in connection with the vesting of phantom unit awards (in units) | 0 epd_PartnersCapitalAccountUnitsPhantomUnitAwardssConvertedToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Common units issued in connection with the vesting of restricted common unit awards (in units) | (2,634,074)epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | (3,770,696)epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | (2,633,206)epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units issued in connection with the vesting of other types of equity-based awards (in units) |  |  | 0 epd_PartnersCapitalAccountUnitsConvertedOtherAwardsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Conversion and reclassification of Class B units to common units (in units) |  | 0 us-gaap_PartnersCapitalAccountUnitsConverted / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember |
Restricted common units awards issued (in units) |  | 3,549,052 epd_PartnersCapitalAccountUnitsRestrictedUnitBasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 3,177,476 epd_PartnersCapitalAccountUnitsRestrictedUnitBasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Forfeiture of restricted common unit awards (in units) | (357,350)epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | (344,114)epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | (493,730)epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards (in units) | 0 us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 0 us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Other (in units) | 0 epd_PartnersCapitalAccountOtherUnitsChanges / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Ending Balance (in units) | 4,229,790 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 7,221,214 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember | 7,786,972 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_RestrictedStockUnitsRSUMember
Common units [Member] |  |  |
Summary of changes in outstanding units [Roll Forward] |  |  |
Beginning Balance (in units) | 1,871,370,016 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 1,797,626,674 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 1,763,240,836 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Common units issued in connection with underwritten offerings (in units) |  | 36,800,000 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 18,400,000 us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Common units issued in connection with at-the-market program (in units) | 1,590,334 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 15,249,378 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 7,957,090 epd_PartnersCapitalAccountUnitsSoldInAtMarketProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Common units issued in connection with DRIP and EUPP (in units) | 9,754,227 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 10,308,254 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 5,629,320 epd_PartnersCaptialAccountUnitsSoldInDiscountProgram / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Common units issued in connection with Step 1 of Oiltanking acquisition (in units) | 54,807,352 epd_PartnersCapitalAccountUnitsIssuedInConnectionWithOiltankingAcuqisiont / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember |  |
Common units issued in connection with the vesting and exercise of unit options (in units) | 1,014,108 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 401,764 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 427,828 us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Common units issued in connection with the vesting of phantom unit awards (in units) | 23,311 epd_PartnersCapitalAccountUnitsPhantomUnitAwardssConvertedToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember |  |
Common units issued in connection with the vesting of restricted common unit awards (in units) | 0 epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 0 epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 0 epd_PartnersCapitalAccountUnitsConvertedRestrictedUnitsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Common units issued in connection with the vesting of other types of equity-based awards (in units) |  |  | 104,336 epd_PartnersCapitalAccountUnitsConvertedOtherAwardsToCommonUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Conversion and reclassification of Class B units to common units (in units) |  | 9,040,862 us-gaap_PartnersCapitalAccountUnitsConverted / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember |
Restricted common units awards issued (in units) |  | 3,549,052 epd_PartnersCapitalAccountUnitsRestrictedUnitBasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 3,177,476 epd_PartnersCapitalAccountUnitsRestrictedUnitBasedCompensation / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Forfeiture of restricted common unit awards (in units) | (357,350)epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | (344,114)epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | (493,730)epd_PartnersCapitalAccountUnitsForfeitureOrSettlementOfRestrictedUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards (in units) | (894,383)us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | (1,261,854)us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | (816,482)us-gaap_PartnersCapitalAccountUnitsTreasury / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember
Other (in units) | 17,202 epd_PartnersCapitalAccountOtherUnitsChanges / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember |  |
Ending Balance (in units) | 1,937,324,817 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 1,871,370,016 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember | 1,797,626,674 us-gaap_PartnersCapitalAccountUnits / us-gaap_CapitalUnitsByClassAxis = us-gaap_CapitalUnitsMember

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- Definition The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16(a)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 16 -Subparagraph a, b -Article 6 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16(b)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 + Details
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