Derivatives - Commodities (Details) - EnLink Midstream Partners, LP gal in Millions, MMBTU in Millions, $ in Millions	3 Months Ended
Mar. 31, 2018 USD ($) MMBTU gal	Dec. 31, 2017 USD ($)
Derivatives
Fair Value	$ (5.1)	$ (1.6)
Commodity
Derivatives
Fair Value	(5.1)
Maximum loss if counterparties fail to perform	4.1
Possible reduction in maximum loss if counterparties fail to perform	$ 0.1
Commodity \| NGL \| Short
Derivatives
Notional amount (in gallons and mmbls) \| gal	37.6
Fair Value	$ (2.3)
Commodity \| NGL \| Long
Derivatives
Notional amount (in gallons and mmbls) \| gal	17.6
Fair Value	$ 0.0
Commodity \| Natural Gas \| Short
Derivatives
Notional amount (in mmbtu) \| MMBTU	13.2
Fair Value	$ 3.0
Commodity \| Natural Gas \| Long
Derivatives
Notional amount (in mmbtu) \| MMBTU	12.9
Fair Value	$ (5.8)

The maximum potential exposure to credit losses on derivative contracts.

No definition available.

Name:	enlc_MaximumPotentialExposureToCreditLossesGrossExposure
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The net potential exposure to credit losses on derivative contracts

+ References

No definition available.

+ Details

Name:	enlc_MaximumPotentialExposureToCreditLossesNetExposure
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

+ Details

Name:	us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Namespace Prefix:	us-gaap_
Data Type:	num:energyItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	us-gaap_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=enlc_EnLinkMidstreamPartnersLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EnergyAxis=enlc_LiquidsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EnergyAxis=enlc_GasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: