Certain Provisions of the Partnership Agreement - Allocation of Income (Details) - General Partner - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Incentive distribution
Income allocation for incentive distributions	$ 0.0	$ 14.8
Unit-based compensation attributable to ENLC’s restricted and performance units	(12.1)	(4.4)
General Partner share of net income	0.4	0.2
General Parters Interest in Acquisition	2.4	4.2
General Partner interest in net income (loss)	$ (9.3)	$ 14.8

General Parters Interest in Acquisition

No definition available.

Name:	enlc_GeneralPartersInterestinAcquisition
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate cumulative earnings allocated to the general partner based on the sharing of income or losses between general and limited partners as specified in the partnership agreement, excluding any priority income allocations resulting from incentive distributions or any special earnings allocations.

+ References

No definition available.

+ Details

Name:	enlc_GeneralPartnersInterest
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of incentive obligation paid in cash or stock during the period to a limited liability corporation managing member or limited partnership general partner.

+ References

No definition available.

+ Details

Name:	enlc_IncomeAllocationForIncentiveDistributions
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Stock-based Compensation Attributable To Restricted Shares and Performance Shares

+ References

No definition available.

+ Details

Name:	enlc_StockbasedCompensationAttributableToRestrictedSharesandPerformanceShares
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Definition

Aggregate amount of net income allocated to general partners.

+ References

Reference 1: 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_NetIncomeLossAllocatedToGeneralPartners
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_IncentiveDistributionMadeToManagingMemberOrGeneralPartnerAxis=us-gaap_GeneralPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: