Expense (benefit) associated with the change in fair value of the Liquidity Option Agreement.

No definition available.

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Namespace Prefix:	epd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Increase (decrease) in weighted-average cost of capital during the period.

+ References

No definition available.

+ Details

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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

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

- References

No definition available.

+ Details

Name:	epd_LiquidityOptionAgreementAbstract
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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
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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

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

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=epd_MeasurementInputUnitRetentionPercentageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Commitments and Contingencies, Liquidity Option Agreement (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($) shares	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Liquidity Option Agreement [Abstract]
Change in fair market value of Liquidity Option Agreement	$ 57.8	$ 7.5
Percentage of capital stock we agreed to purchase under liquidity option agreement	100.00%
Liquidity Option exercise period	90 days
Percent increase (decrease) in weighted-average cost of capital	(1.00%)
Number of units held by limited partner \| shares	54,807,352
Liquidity Option Agreement [Member]
Liquidity Option Agreement [Abstract]
Increase in fair value of liquidity option agreement assuming retention of all units	$ 20.1
Liquidity Option Agreement [Member] \| Measurement Input, Unit Retention Percentage [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.960
Valuation, Income Approach [Member] \| Liquidity Option Agreement [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability	$ 447.8		$ 390.0