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Derivative Instruments, Hedging Activities and Fair Value Measurements, Nonrecurring Fair Value Measurements (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Asset Impairment Charges [Abstract] |  |
Impairment of long-lived assets | $ 0.9 | $ 0.4
NGL Pipelines & Services [Member] |  |
Asset Impairment Charges [Abstract] |  |
Impairment of long-lived assets | 0.0 | 0.2
Crude Oil Pipelines & Services [Member] |  |
Asset Impairment Charges [Abstract] |  |
Impairment of long-lived assets | 0.2 | 0.0
Natural Gas Pipelines & Services [Member] |  |
Asset Impairment Charges [Abstract] |  |
Impairment of long-lived assets | 0.7 | 0.2
Petrochemical & Refined Products Services [Member] |  |
Asset Impairment Charges [Abstract] |  |
Impairment of long-lived assets | $ 0.0 | $ 0.0

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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets. + References No definition available. + Details
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Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | na
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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- Details
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Namespace Prefix: |
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- Details
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