The percentage of distributions to the general partner during the period.

No definition available.

Name:	eep_GeneralPartnersCapitalAccountDistributionRate
Namespace Prefix:	eep_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number partner units Waived.

+ References

No definition available.

+ Details

Name:	eep_NumberOfUnitsWaived
Namespace Prefix:	eep_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Units contributed by each class of partners during the year. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

+ Details

Name:	us-gaap_PartnersCapitalAccountUnitsContributed
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=eep_ClassEUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=eep_ClassDUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=eep_IncentiveDistributionUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=eep_CommonClassFMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

NET INCOME PER LIMITED PARTNER UNIT (Narrative) (Details) - shares	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 27, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
General Partners Capital Account Distribution Rate				2.00%
Preferred Stock [Member]
Anti-dilutive Preferred Units excluded (in shares)			43,201,310	43,201,310	43,201,310
Class E Units [Member]
Anti-dilutive Preferred Units excluded (in shares)			18,114,975	18,114,975	18,114,975
Class D Units [Member]
Anti-dilutive Preferred Units excluded (in shares)			66,100,000	66,100,000	66,100,000
Number of units waived (in shares)	66,100,000	66,100,000		66,100,000
Incentive Distribution Units [Member]
Number of units waived (in shares)	1,000	1,000		1,000
Class F Units [Member]
Number of units issued in transaction (in shares)	1,000	1,000		1,000