Consolidated Statements of Operations - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Revenues:
Product sales		$ 1,499.2	$ 990.0
Product sales—related parties		3.6	42.7
Midstream services		92.2	127.4
Midstream services—related parties		166.2	159.0
Gain on derivative activity		0.5	2.8
Total revenues		1,761.7	1,321.9
Operating costs and expenses:
Cost of sales	[1]	1,381.5	1,002.3
Operating expenses		109.2	104.1
General and administrative		27.5	36.1
Loss on disposition of assets		0.1	5.1
Depreciation and amortization		138.1	128.3
Impairments		0.0	7.0
Gain on litigation settlement		0.0	(17.5)
Total operating costs and expenses		1,656.4	1,265.4
Operating income		105.3	56.5
Other income (expense):
Interest expense, net of interest income		(44.5)	(44.9)
Income from unconsolidated affiliates		3.0	0.7
Other income		0.3	0.0
Total other expense		(41.2)	(44.2)
Income before non-controlling interest and income taxes		64.1	12.3
Income tax provision		(7.0)	(3.0)
Net income		57.1	9.3
Net income attributable to non-controlling interest		44.7	11.2
Net income (loss) attributable to ENLC		$ 12.4	$ (1.9)
Net income (loss) attributable to ENLC per unit:
Basic common unit (in dollars per share)		$ 0.07	$ (0.01)
Diluted common unit (in dollars per share)		$ 0.07	$ (0.01)

[1] Includes related party cost of sales of $34.1 million and $28.7 million for the three months ended March 31, 2018 and 2017, respectively.