Amount related to the option to purchase 100% of the issued and outstanding capital stock of the acquired entity.

No definition available.

Name:	epd_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiquidityOption
Namespace Prefix:	epd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Definition

The assumed long-term debt, used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsAssumedLongTermDebt
Namespace Prefix:	epd_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The expected business terms (in years), used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsExpectedBusinessTerm
Namespace Prefix:	epd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The federal and state tax rate (in hundredths), used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsFederalAndStateTaxRate
Namespace Prefix:	epd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The expected interest rate on debt allocated post-option exercise, used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsInterestRateOnDebtAllocatedPostOptionExercise
Namespace Prefix:	epd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The expected life of debt assumed in connection with the exercised of the Liquidity Option.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsLifeOfDebtAssumedAfterLiquidityOptionIsExercised
Namespace Prefix:	epd_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

The expected ownership interests in company (in hundredths), used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsOwnershipInterestInCompany
Namespace Prefix:	epd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The expected partnership growth rate (in hundredths), used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsPartnershipGrowthRate
Namespace Prefix:	epd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted-average expected ownership percentage of contributed units at beginning of option period (in hundredths), used as an input to measure fair value.

+ References

No definition available.

+ Details

Name:	epd_FairValueInputsWeightedAverageExpectedOwnershipPercentageOfContributedUnitsAtBeginningOfOptionPeriod
Namespace Prefix:	epd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Increase in fair value of liquidity option agreement in valuation model if all units are retained.

+ References

No definition available.

+ Details

Name:	epd_IncreaseInFairValueOfLiquidityOptionAgreementAssumingRetentionOfAllUnits
Namespace Prefix:	epd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Increase in fair value of liquidity option agreement if the assumption of debt was excluded from valuation model.

+ References

No definition available.

+ Details

Name:	epd_IncreaseInFairValueOfLiquidityOptionAgreementExcludingAssumptionOfDebt
Namespace Prefix:	epd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	epd_LiquidityOptionAgreementAbstract
Namespace Prefix:	epd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of days commencing February 1, 2020 that M&B can exercise the liquidity option agreement.

+ References

No definition available.

+ Details

Name:	epd_LiquidityOptionExercisePeriod
Namespace Prefix:	epd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Enterprise Common Units Held at Exercise Date by OTA.

+ References

No definition available.

+ Details

Name:	epd_NumberOfUnitsHeldByLimitedPartnerInMillionsOfUnits
Namespace Prefix:	epd_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of OTA capital stock we agreed to purchase from M&B under liquidity option agreement.

+ References

No definition available.

+ Details

Name:	epd_PercentageOfCapitalStockWeAgreedToPurchaseUnderLiquidityOptionAgreement
Namespace Prefix:	epd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=epd_LiabilityLiquidityOptionAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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Commitments and Contingencies, Liquidity Option Agreement (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Liquidity Option Agreement [Abstract]
Liquidity option agreement	$ 302.6		$ 302.6		$ 269.6
Change in fair value of Liquidity Option Agreement	$ 8.9	$ 6.9	$ 33.0	$ 28.0
Percentage of capital stock we agreed to purchase under liquidity option agreement			100.00%
Liquidity Option exercise period			90 days
Number of units held by limited partner	54,807,352		54,807,352
Liquidity Option Agreement [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Assumed long-term debt			$ 2,200.0
Fair value inputs, Interest rate on assumed debt of OTA following option exercise			4.35%
Increase in fair value of liquidity option agreement excluding assumption of debt	$ 226.6		$ 226.6
Fair value inputs, Life of debt assumed after Liquidity option is exercised			30 years
Fair value inputs, federal and state tax rate			38.00%
Cash flow projections discount rate			7.50%
Fair value inputs, weighted-average expected ownership percentage of contributed units at beginning of option period			88.00%
Increase in fair value of liquidity option agreement assuming retention of all units	$ 41.4		$ 41.4
Liquidity Option Agreement [Member] \| Minimum [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Expected life of OTA following option exercise			1 year
Fair value inputs, Estimated growth rates in Enterprise earnings before interest, taxes, depreciation and amortization			0.10%
Fair value inputs, OTA ownership interest in Enterprise common units			1.80%
Liquidity Option Agreement [Member] \| Maximum [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Expected life of OTA following option exercise			30 years
Fair value inputs, Estimated growth rates in Enterprise earnings before interest, taxes, depreciation and amortization			13.60%
Fair value inputs, OTA ownership interest in Enterprise common units			2.50%