Employee Incentive Plan (Textuals) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended				3 Months Ended	9 Months Ended					9 Months Ended
	Sep. 30, 2014 ENLC Restricted Units	Sep. 30, 2014 ENLC Restricted Units	Sep. 30, 2014 post acquisition [Member] ENLK Restricted Units	Sep. 30, 2014 post acquisition [Member] ENLC Restricted Units	Mar. 07, 2014 Common Units [Member] ENLK Restricted Units	Sep. 30, 2014 Restricted Stock Units (RSUs) ENLK Restricted Units	Sep. 30, 2014 Restricted Stock Units (RSUs) ENLK Restricted Units	Sep. 30, 2014 Pre acquisition [Member] ENLK Restricted Units	Sep. 30, 2014 Pre acquisition [Member] ENLC Restricted Units	Sep. 30, 2014 Unit Option	Feb. 05, 2014 Common Stock ENLC Restricted Units	Sep. 30, 2014 Restricted Stock ENLC Restricted Units	Sep. 30, 2014 EnLink Midstream Partners, LP [Member] Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years	3 years				2 years	2 years
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodIntrinsicValue1	$ 2.4	$ 2.4				$ 1.2	$ 1.2
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					9,070,000						11,000,000
Unrecognized compensation cost related to non-vested restricted incentive units												23.2	21.3
Unrecognized compensation costs, weighted average period for recognition												2 years 1 month	2 years 1 month
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period										31,382
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value										0.6
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 2.2	$ 2.2				$ 1.2	$ 1.2