Long-Term Debt Long-Term Debt (Company Credit Facility) (Details) (USD $)	3 Months Ended			3 Months Ended	0 Months Ended	3 Months Ended							3 Months Ended			3 Months Ended
	Mar. 31, 2014	Mar. 07, 2014	Mar. 31, 2014 Line of Credit [Member]	Mar. 31, 2014 ENLC Credit Facility [Member]	Apr. 09, 2014 Other Debt Obligations [Member]	Mar. 31, 2014 Other Debt Obligations [Member]	Mar. 31, 2014 Maximum [Member] ENLC Credit Facility [Member]	Mar. 31, 2014 Minimum [Member]	Mar. 31, 2014 During Acquisition [Member] Maximum [Member] ENLC Credit Facility [Member]	Mar. 31, 2014 2014 Credit Facility [Member]	Feb. 28, 2014 2014 Credit Facility [Member]	Feb. 28, 2014 2014 Credit Facility [Member] Line of Credit, subfacility [Member]	Mar. 31, 2014 2014 Credit Facility [Member] Maximum [Member]	Mar. 31, 2014 2014 Credit Facility [Member] Conditional Ratio [Member] Maximum [Member]	Mar. 31, 2014 Revolving Credit Facility [Member]	Mar. 31, 2014 Base Rate [Member] ENLC Credit Facility [Member]	Mar. 31, 2014 Eurodollar Rate [Member] ENLC Credit Facility [Member]	Mar. 31, 2014 2014 Company Credit Facility [Member] ENLC Credit Facility [Member]	Mar. 31, 2014 EnLink Midstream Partners GP, LLC [Member]	Mar. 31, 2014 Postamendment Credit Facility [Member] Other Debt Obligations [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date						Sep. 04, 2013				Feb. 20, 2014								Mar. 07, 2014
Line of Credit Facility, Maximum Borrowing Capacity				$ 250,000,000		$ 20,000,000					$ 1,000,000,000	$ 500,000,000			$ 1,000,000,000			$ 250,000,000		$ 30,000,000
line of credit facility amendment date					Apr. 09, 2014
Long-term Debt	1,732,500,000			103,500,000		15,000,000												125,000,000
LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartners	16,414,830
Line of Credit Facility, Expiration Date				Mar. 07, 2019		Sep. 04, 2016
Leverage ratios							4.00 to 1.00		4.50 to 1.00				5.0 to 1.0.	5.5 to 1.0
Conditional acquisition purchase price													50,000,000
Interest Coverge Ratio								2.50 to 1.00
Percentage Rate																0.50%	1.00%
Letters of Credit Outstanding, Amount			56,800,000
Line of Credit Facility, Remaining Borrowing Capacity				146,500,000		3,800,000									943,200,000
Line of Credit Facility, Amount Outstanding						14,500,000									0
Line of Credit Facility, Interest Rate at Period End						3.98%
Notes Payable, Noncurrent						$ 500,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum						3.90%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum						7.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	7.00%																		100.00%
Business Acquisition, Percentage of Voting Interests Acquired		50.00%