Consolidated Statements of Operations - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Revenue from contract with customer		$ 7,693.8
Gain (loss) on derivative activity		5.2	$ (4.2)	$ (11.1)
Total revenues		7,699.0	5,739.6	4,252.4
Operating costs and expenses:
Cost of sales	[1]	6,008.0	4,361.5	3,015.5
Operating expenses		453.4	418.7	398.5
General and administrative		140.3	128.6	122.5
Loss on disposition of assets		0.4	0.0	13.2
Depreciation and amortization		577.3	545.3	503.9
Impairments		365.8	17.1	873.3
Gain on litigation settlement		0.0	(26.0)	0.0
Total operating costs and expenses		7,545.2	5,445.2	4,926.9
Operating income (loss)		153.8	294.4	(674.5)
Other income (expense):
Interest expense, net of interest income		(182.3)	(190.4)	(189.5)
Gain on extinguishment of debt		0.0	9.0	0.0
Income (loss) from unconsolidated affiliates		13.3	9.6	(19.9)
Other income		0.6	0.6	0.3
Total other expense		(168.4)	(171.2)	(209.1)
Income (loss) before non-controlling interest and income taxes		(14.6)	123.2	(883.6)
Income tax benefit (provision)		(18.2)	196.8	(4.6)
Net income (loss)		(32.8)	320.0	(888.2)
Net income (loss) attributable to non-controlling interest		(19.6)	107.2	(428.2)
Net income (loss) attributable to ENLC		$ (13.2)	$ 212.8	$ (460.0)
Net income (loss) attributable to ENLC per unit:
Basic common unit (in dollars per share)		$ (0.07)	$ 1.18	$ (2.56)
Diluted common unit (in dollars per share)		$ (0.07)	$ 1.17	$ (2.56)
Product sales
Revenues:
Revenue from contract with customer		$ 6,512.3	$ 4,358.4	$ 3,008.9
Product sales—related parties
Revenues:
Revenue from contract with customer		41.0	144.9	134.3
Midstream services
Revenues:
Revenue from contract with customer		763.3	552.3	467.2
Midstream services—related parties
Revenues:
Revenue from contract with customer		$ 377.2	$ 688.2	$ 653.1

[1] Includes related party cost of sales of $114.1 million, $211.0 million, and $150.1 million for the years ended December 31, 2018, 2017, and 2016, respectively.