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Acquisition of Oiltanking Partners, L.P., Distributions (Details) (USD $) | 1 Months Ended | 12 Months Ended
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Feb. 28, 2015 | Aug. 31, 2014 | Dec. 31, 2014
Oiltanking Partners L.P. [Member] |  |  |
Distributions: |  |  |
Distribution paid (dollars per unit) | $ 0.285 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit / us-gaap_BusinessAcquisitionAxis = epd_OiltankingPartnersLPMember | $ 0.26 us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit / us-gaap_BusinessAcquisitionAxis = epd_OiltankingPartnersLPMember |
Minimum quarterly distribution [Member] |  |  |
Distributions: |  |  |
Total quarterly distribution per unit target amount |  |  | 0.16875
First target distribution [Member] |  |  |
Distributions: |  |  |
Total quarterly distribution per unit target amount |  |  | above $0.16875 up to $0.1940625
Second target distribution [Member] |  |  |
Distributions: |  |  |
Total quarterly distribution per unit target amount |  |  | above $0.1940625 up to $0.2109375
Third target distribution [Member] |  |  |
Distributions: |  |  |
Total quarterly distribution per unit target amount |  |  | above $0.2109375 up to $0.253125
Maximum target distribution [Member] |  |  |
Distributions: |  |  |
Total quarterly distribution per unit target amount |  |  | above $0.253125
General Partner [Member] | Minimum quarterly distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 2.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_MinimumQuarterlyDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
General Partner [Member] | First target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 2.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_FirstTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
General Partner [Member] | Second target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 15.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_SecondTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
General Partner [Member] | Third target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 25.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_ThirdTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
General Partner [Member] | Maximum target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 50.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_MaximumTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_GeneralPartnerMember
Limited Partner [Member] | Minimum quarterly distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 98.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_MinimumQuarterlyDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
Limited Partner [Member] | First target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 98.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_FirstTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
Limited Partner [Member] | Second target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 85.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_SecondTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
Limited Partner [Member] | Third target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 75.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_ThirdTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember
Limited Partner [Member] | Maximum target distribution [Member] |  |  |
Distributions: |  |  |
Marginal percentage interest in distributions |  |  | 50.00%epd_MarginalPercentageInterestInDistributions / epd_DistributionLevelsAxis = epd_MaximumTargetDistributionMember / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember

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- Definition Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
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- Definition Incentive distribution payments made to managing members or general partners on a percentage scale, based on amounts in excess of distributions to Limited Liability Corporation or Limited Partnership members or limited partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 72 -URI http://asc.fasb.org/extlink&oid=6926462&loc=SL5163672-159010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 103 -URI http://asc.fasb.org/extlink&oid=6926531&loc=SL5199526-159011 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 73 -URI http://asc.fasb.org/extlink&oid=6926462&loc=SL5163674-159010 + Details
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