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Equity and Distributions, Distributions (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Distributions to Partners [Abstract] |  |  |
Number of Designated Units excluded from distributions | 45,120,000 epd_NumberOfDesignatedUnitsExcludedFromDistributions | 47,400,000 epd_NumberOfDesignatedUnitsExcludedFromDistributions | 52,260,000 epd_NumberOfDesignatedUnitsExcludedFromDistributions
Number of Designated Units to be excluded from distributions during 2015 | 35,380,000 epd_NumberOfDesignatedUnitsToBeExcludedFromDistributionsDuringFifthCalendarYear |  |
First Quarter 2014 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) | $ 0.3550 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_FirstQuarter2014DistributionMember |  |
Record Date | Apr. 30, 2014 |  |
Payment Date | May 07, 2014 |  |
Second Quarter 2014 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) | $ 0.3600 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_SecondQuarter2014DistributionMember |  |
Record Date | Jul. 31, 2014 |  |
Payment Date | Aug. 07, 2014 |  |
Third Quarter 2014 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) | $ 0.3650 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_ThirdQuarter2014DistributionMember |  |
Record Date | Oct. 31, 2014 |  |
Payment Date | Nov. 07, 2014 |  |
Fourth Quarter 2014 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) | $ 0.3700 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_FourthQuarter2014DistributionMember |  |
Record Date | Jan. 30, 2015 |  |
Payment Date | Feb. 06, 2015 |  |
First Quarter 2013 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) |  | $ 0.3350 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_FirstQuarter2013DistributionMember |
Record Date |  | Apr. 30, 2013 |
Payment Date |  | May 07, 2013 |
Second Quarter 2013 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) |  | $ 0.3400 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_SecondQuarter2013DistributionMember |
Record Date |  | Jul. 31, 2013 |
Payment Date |  | Aug. 07, 2013 |
Third Quarter 2013 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) |  | $ 0.3450 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_ThirdQuarter2013DistributionMember |
Record Date |  | Oct. 31, 2013 |
Payment Date |  | Nov. 07, 2013 |
Fourth Quarter 2013 Distribution [Member] |  |  |
Distributions to Partners [Abstract] |  |  |
Distribution Per Common Unit (in dollars per unit) |  | $ 0.3500 us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit / us-gaap_DividendsAxis = epd_FourthQuarter2013DistributionMember |
Record Date |  | Jan. 31, 2014 |
Payment Date |  | Feb. 07, 2014 |

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