XML 77 R66.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative Instruments, Hedging Activities and Fair Value Measurements (Details) bbl in Millions, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) bbl Bcf | Dec. 31, 2018 USD ($)
Derivative [Line Items] |  |  |
Gain on the sale of swaption | $ |  | $ 9.8 |
Carrying amount of hedged asset | $ |  | $ 60.0 | $ 50.2
Designated as Hedging Instrument [Member] | Natural gas processing: Forecasted natural gas purchases for plant thermal reduction (PTR) [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | Bcf | [1],[2] | 14.4 |
Designated as Hedging Instrument [Member] | Natural gas processing: Forecasted sales of NGLs [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 3.5 |
Designated as Hedging Instrument [Member] | Octane enhancement: Forecasted purchases of NGLs [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 1.7 |
Designated as Hedging Instrument [Member] | Octane enhancement: Forecasted sales of octane enhancement products [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 2.5 |
Designated as Hedging Instrument [Member] | Natural gas marketing: Natural gas storage inventory management activities [Member] | Derivatives in fair value hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | Bcf | [1],[2] | 1.5 |
Designated as Hedging Instrument [Member] | NGL marketing: Forecasted purchases of NGLs and related hydrocarbon products [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 51.6 |
Long Term Volume | [1],[2] | 3.3 |
Designated as Hedging Instrument [Member] | NGL marketing: Forecasted sales of NGLs and related hydrocarbon products [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 56.1 |
Long Term Volume | [1],[2] | 1.1 |
Designated as Hedging Instrument [Member] | NGL marketing: NGLs inventory management activities [Member] | Derivatives in fair value hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 0.9 |
Designated as Hedging Instrument [Member] | Refined products marketing: Forecasted purchases of refined products [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 0.8 |
Designated as Hedging Instrument [Member] | Refined products marketing: Forecasted sales of refined products [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 1.0 |
Designated as Hedging Instrument [Member] | Refined products marketing: Refined products inventory management activities [Member] | Derivatives in fair value hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 0.2 |
Designated as Hedging Instrument [Member] | Crude oil marketing: Forecasted purchases of crude oil [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 23.8 |
Long Term Volume | [1],[2] | 1.9 |
Designated as Hedging Instrument [Member] | Crude oil marketing: Forecasted sales of crude oil [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 25.5 |
Long Term Volume | [1],[2] | 1.9 |
Designated as Hedging Instrument [Member] | Propylene marketing: Forecasted sales of NGLs for propylene marketing activities [Member] | Derivatives in cash flow hedging relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2] | 0.3 |
Not Designated as Hedging Instrument [Member] | Natural gas risk management activities [Member] | Derivatives in mark-to-market relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | Bcf | [1],[2],[3],[4] | 58.2 |
Long Term Volume | Bcf | [1],[2],[3],[4] | 0.1 |
Current natural gas hedging volumes designated as an index plus or minus a discount | Bcf |  | 14.0 |
Not Designated as Hedging Instrument [Member] | Refined products risk management activities [Member] | Derivatives in mark-to-market relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2],[4] | 1.3 |
Not Designated as Hedging Instrument [Member] | NGL risk management activities [Member] | Derivatives in mark-to-market relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2],[4] | 4.5 |
Not Designated as Hedging Instrument [Member] | Crude oil risk management activities [Member] | Derivatives in mark-to-market relationships [Member] |  |  |
Derivative [Line Items] |  |  |
Current Volume | [1],[2],[4] | 36.4 |
Long Term Volume | [1],[2],[4] | 2.4 |
[1] | The maximum term for derivatives designated as cash flow hedges, derivatives designated as fair value hedges and derivatives not designated as hedging instruments is December 2020, December 2019 and December 2020, respectively.
[2] | Volume for derivatives designated as hedging instruments reflects the total amount of volumes hedged whereas volume for derivatives not designated as hedging instruments reflects the absolute value of derivative notional volumes.
[3] | Current volumes include 14.0 Bcf of physical derivative instruments that are predominantly priced at a market-based index plus a premium or minus a discount related to location differences.
[4] | Reflects the use of derivative instruments to manage risks associated with transportation, processing and storage assets.

X
- Definition The volumes expected to be settled within one year after the date indicated in accordance with derivative instruments. + References No definition available. + Details
Name: | epd_CurrentVolume
Namespace Prefix: | epd_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition Gain on the premium received on the sale of swaption reflected as a reduction to interest expense. + References No definition available. + Details
Name: | epd_GainOnTheSaleOfSwaption
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The volumes expected to be settled at least one year after the date indicated in accordance with derivative instruments. + References No definition available. + Details
Name: | epd_LongTermVolume
Namespace Prefix: | epd_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

X
- Definition The derivative instruments entered into in connection with natural gas risk management activities by the entity. Represents the short term contracts that are priced as an index plus a premium or minus a discount. + References No definition available. + Details
Name: | epd_ShortTermNaturalGasRiskManagementDerivativesDesignatedAsHedgingActivitiesPricedBasedOnIndex
Namespace Prefix: | epd_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of asset hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedAssetFairValueHedge
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NaturalGasProcessingForecastedNaturalGasPurchasesForPlantThermalReductionPtrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NaturalGasProcessingForecastedSalesOfNglsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_OctaneEnhancementForecastedPurchasesOfNglsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_OctaneEnhancementForecastedSalesOfOctaneEnhancementProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NaturalGasMarketingNaturalGasStorageInventoryManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NglMarketingForecastedPurchasesOfNglsAndRelatedHydrocarbonProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NglMarketingForecastedSalesOfNglsAndRelatedHydrocarbonProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NGLMarketingNGLsInventoryManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_RefinedProductsMarketingForecastedPurchasesOfRefinedProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_RefinedProductsMarketingForecastedSalesOfRefinedProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_RefinedProductsMarketingRefinedProductsInventoryManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_CrudeOilMarketingForecastedPurchasesOfCrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_CrudeOilMarketingForecastedSalesOfCrudeOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_PropyleneMarketingForecastedSalesOfNGLsForPropyleneMarketingActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NaturalGasRiskManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=epd_MarkToMarketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_RefinedProductsRiskManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_NGLRiskManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=epd_CrudeOilRiskManagementActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |