Consolidated Statements of Operations - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Revenues:
Revenue from contracts with customers		$ 1,777.4	$ 1,761.2
Gain on derivative activity		1.8	0.5
Total revenues		1,779.2	1,761.7
Operating costs and expenses:
Cost of sales	[1]	1,363.4	1,381.5
Operating expenses		114.5	109.2
General and administrative		51.4	27.5
Loss on disposition of assets		0.0	0.1
Depreciation and amortization		152.1	138.1
Impairments		186.5	0.0
Total operating costs and expenses		1,867.9	1,656.4
Operating income (loss)		(88.7)	105.3
Other income (expense):
Interest expense, net of interest income		(49.6)	(44.5)
Income from unconsolidated affiliates		5.3	3.0
Other income		0.0	0.3
Total other expense		(44.3)	(41.2)
Income (loss) before non-controlling interest and income taxes		(133.0)	64.1
Income tax provision		(1.8)	(7.0)
Net income (loss)		(134.8)	57.1
Net income attributable to non-controlling interest		41.5	44.7
Net income (loss) attributable to ENLC		$ (176.3)	$ 12.4
Net income (loss) attributable to ENLC per unit:
Basic common unit (in dollars per share)		$ (0.45)	$ 0.07
Diluted common unit (in dollars per share)		$ (0.45)	$ 0.07
Product sales
Revenues:
Revenue from contracts with customers		$ 1,530.9	$ 1,499.2
Product sales—related parties
Revenues:
Revenue from contracts with customers		0.0	3.6
Midstream services
Revenues:
Revenue from contracts with customers		246.5	92.2
Midstream services-related parties
Revenues:
Revenue from contracts with customers		$ 0.0	$ 166.2

[1] Includes related party cost of sales of $8.1 million and $34.1 million for the three months ended March 31, 2019 and 2018, respectively