Certain Provision of the Partnership Agreement (Details) $ / shares in Units, $ in Millions					1 Months Ended						3 Months Ended								12 Months Ended
	May 13, 2016	Oct. 29, 2015 USD ($) $ / shares shares	Aug. 03, 2015	May 04, 2015	Jan. 31, 2016 USD ($) $ / shares shares	May 31, 2015 shares	Mar. 31, 2015 shares	Feb. 28, 2015 shares	Nov. 30, 2014 USD ($) $ / shares shares	Oct. 31, 2014 shares	Dec. 31, 2016 USD ($) shares	Sep. 30, 2016 shares	Jun. 30, 2016 shares	Mar. 31, 2016 shares	Dec. 31, 2015 shares	Sep. 30, 2015 shares	Jun. 30, 2015 shares	Mar. 31, 2015 shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares	Nov. 07, 2014 USD ($)	May 31, 2014 USD ($)
Partnership agreement
Proceeds from issuance of common units																			$ 167.5	$ 24.4	$ 412.0
Proceeds from issuance of Preferred Units																			724.1
Parent Company
Partnership agreement
Proceeds from issuance of common units																			214.9
EnLink Midstream Partners, LP
Partnership agreement
Partners' Capital Account, Units, Sale of Units | shares										1,016,322
Common Units | EnLink Midstream Partners, LP
Partnership agreement
Partners' Capital Account, Units, Sold in Public Offering | shares									12,075,000
Unit purchase price (in dollars per unit) | $ / shares		$ 17.55							$ 28.37
Proceeds from issuance of common units									$ 332.3
Issuance of units in private placement (in units) | shares		2,849,100
Payments of issuance costs		$ 50.0
Common Units | EnLink Midstream Partners, LP | EDA
Partnership agreement
Proceeds from issuance of common units																					$ 71.9
Maximum sales of units under agreement																							$ 75.0
Issuance of units in private placement (in units) | shares																					2,400,000
Payments of issuance costs																					$ 0.7
Common Units | EnLink Midstream Partners, LP | BMO EDA
Partnership agreement
Proceeds from issuance of common units																			$ 167.5	$ 24.7	$ 7.9
Maximum sales of units under agreement																						$ 350.0
Issuance of units in private placement (in units) | shares																			10,000,000	1,300,000	300,000
Payments of issuance costs																			$ 1.7	$ 0.3	$ 0.1
Remaining sales of units under agreement											$ 147.8								147.8
Class C Common Unit | EnLink Midstream Partners, LP
Partnership agreement
Partners' Capital Account, Units, Sale of Units | shares							6,704,285
Paid in kind dividend (in units) | shares														233,107	209,044	150,732	120,622	99,794
Ratio of common units	1
Preferred Units | EnLink Midstream Partners, LP
Partnership agreement
Unit purchase price (in dollars per unit) | $ / shares					$ 15.00
Proceeds from issuance of common units					$ 724.1
Issuance of units in private placement (in units) | shares					50,000,000
Paid in kind dividend (in units) | shares											1,130,131	1,106,616	1,083,589	992,445
Ratio of common units					1
Consecutive trading period					30 days
Specified trading period					2 days
Conversion VWAP Percentage					150.00%
Percent Of Issue Price					140.00%
Annual Rate On Issue Price Payable In-Kind					8.50%
Annual Rate On Issue Price Payable In Cash					7.50%
Annual Rate On Issue Price					1.00%
Net Income (Loss) Allocated To Preferred																			$ 69.9
Class D Common Unit | EnLink Midstream Partners, LP
Partnership agreement
Ratio of common units				1
Class E Common Unit | EnLink Midstream Partners, LP
Partnership agreement
Ratio of common units			1			1
Units issued for acquisition (in units) | shares						36,629,888		31,618,311
Acquisition acquired (as a percent)						25.00%		25.00%