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v2.4.1.9

Related Party Transactions (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Revenues - related parties: |  |  |
Total revenue - related parties | $ 6.1 us-gaap_RevenueFromRelatedParties | $ 35.5 us-gaap_RevenueFromRelatedParties |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 261.1 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty | 292.3 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty |
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 3.4 us-gaap_DueFromRelatedPartiesCurrent |  | 2.8 us-gaap_DueFromRelatedPartiesCurrent
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 49.3 us-gaap_DueToRelatedPartiesCurrent |  | 118.9 us-gaap_DueToRelatedPartiesCurrent
Related Party Transactions [Abstract] |  |  |
Operating costs and expenses | 232.1 us-gaap_CostsAndExpensesRelatedParty | 262.1 us-gaap_CostsAndExpensesRelatedParty |
General and administrative expenses | 29.0 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty | 30.2 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty |
2013 At-the-Market Registration [Member] |  |  |
Relationship with Affiliates [Abstract] |  |  |
Number of common units issued (in units) | 12,350,761 us-gaap_PartnersCapitalAccountUnitsSaleOfUnits / epd_RegistrationStatementsAndEquityOfferingsAxis = epd_RegistrationAtm2013Member |  |
EPCO and affiliates [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 221.9 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember | 235.7 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 31.3 us-gaap_DueToRelatedPartiesCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |  | 98.1 us-gaap_DueToRelatedPartiesCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember
Distributions: |  |  |
Total cash distributions | 231.2 epd_DistributionsReceivedByAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember | 214.2 epd_DistributionsReceivedByAffiliates / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |
Related Party Transactions [Abstract] |  |  |
Operating costs and expenses | 191.1 us-gaap_CostsAndExpensesRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember | 203.7 us-gaap_CostsAndExpensesRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |
General and administrative expenses | 30.8 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember | 32.0 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |
Relationship with Affiliates [Abstract] |  |  |
Number of Units (in units) | 687,946,688 epd_OutstandingUnitsOwnedByAffiliatesUnderCommonControl / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |  |
Percentage of Total Units Outstanding (in hundredths) | 34.60%epd_OutstandingUnitsPercentageOwnedByAffiliatesUnderCommonControl / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |  |
EPCO and affiliates [Member] | 2013 At-the-Market Registration [Member] |  |  |
Relationship with Affiliates [Abstract] |  |  |
Number of common units issued (in units) | 3,225,057 us-gaap_PartnersCapitalAccountUnitsSaleOfUnits / epd_RegistrationStatementsAndEquityOfferingsAxis = epd_RegistrationAtm2013Member / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |  |
Offering price of common unit (in dollars per unit) | $ 31.01 us-gaap_SharesIssuedPricePerShare / epd_RegistrationStatementsAndEquityOfferingsAxis = epd_RegistrationAtm2013Member / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember |  |
Unconsolidated affiliates [Member] |  |  |
Revenues - related parties: |  |  |
Total revenue - related parties | 6.1 us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember | 35.5 us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 39.2 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember | 56.6 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember |
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 3.4 us-gaap_DueFromRelatedPartiesCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember |  | 2.8 us-gaap_DueFromRelatedPartiesCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | $ 18.0 us-gaap_DueToRelatedPartiesCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember |  | $ 20.8 us-gaap_DueToRelatedPartiesCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember

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