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Equity-based Awards, Unit Option Awards (Details) - Unit Option Awards [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Options outstanding, weighted-average strike price [Roll Forward]
Total intrinsic value of unit option awards exercised during period	$ 2.2	$ 19.6
Cash received from EPCO in connection with the exercise of unit option awards	1.2	11.3
Unit option award-related cash reimbursements to EPCO	$ 2.2	$ 19.6

X

- Definition

The cash received from private company affiliate in connection with the exercise of unit option awards.

+ References

No definition available.

+ Details

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

X

- Definition

Reimbursement to private company affiliate for the cash difference between the strike price paid by the employee and the actual price paid for the units issued to the employee.

+ References

No definition available.

+ Details

Name:	epd_UnitOptionReimbursementsToPrivateCompanyAffiliate
Namespace Prefix:	epd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
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Balance Type:
Period Type: