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Commitments and Contingencies, Liquidity Option Agreement (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Liquidity Option Agreement [Abstract] |  |
Liquidity Option Agreement | $ 242.9 | $ 245.1
Business Acquisition [Line Items] |  |
Change in fair value of Liquidity Option Agreement | $ (2.2) |

X
- Definition Amount related to the option to purchase 100% of the issued and outstanding capital stock of the acquired entity. + References No definition available. + Details
Name: | epd_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiquidityOption
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Expense (benefit) associated with the change in fair value of the Liquidity Option Agreement. + References No definition available. + Details
Name: | epd_ExpenseOfLiquidityOptionAgreement
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | epd_LiquidityOptionAgreementAbstract
Namespace Prefix: | epd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration