Consolidated Statements of Operations - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Revenue from contracts with customers		$ 6,038.5	$ 7,693.8
Gain (loss) on derivative activity		14.4	5.2	$ (4.2)
Total revenues		6,052.9	7,699.0	5,739.6
Operating costs and expenses:
Cost of sales	[1]	4,392.5	6,008.0	4,361.5
Operating expenses		467.1	453.4	418.7
General and administrative		152.6	140.3	128.6
(Gain) loss on disposition of assets		(1.9)	0.4	0.0
Depreciation and amortization		617.0	577.3	545.3
Impairments		1,133.5	365.8	17.1
Loss on secured term loan receivable		52.9	0.0	0.0
Gain on litigation settlement		0.0	0.0	(26.0)
Total operating costs and expenses		6,813.7	7,545.2	5,445.2
Operating income (loss)		(760.8)	153.8	294.4
Other income (expense):
Interest expense, net of interest income		(216.0)	(182.3)	(190.4)
Gain on extinguishment of debt		0.0	0.0	9.0
Income (loss) from unconsolidated affiliates		(16.8)	13.3	9.6
Other income		0.9	0.6	0.6
Total other expense		(231.9)	(168.4)	(171.2)
Income (loss) before non-controlling interest and income taxes		(992.7)	(14.6)	123.2
Income tax benefit (expense)		(6.9)	(18.2)	196.8
Net income (loss)		(999.6)	(32.8)	320.0
Net income (loss) attributable to non-controlling interest		119.7	(19.6)	107.2
ENLC interest in net income (loss)		$ (1,119.3)	$ (13.2)	$ 212.8
Net income (loss) attributable to ENLC per unit:
Basic common unit (in dollars per share)		$ (2.41)	$ (0.07)	$ 1.18
Diluted common unit (in dollars per share)		$ (2.41)	$ (0.07)	$ 1.17
Product sales
Revenues:
Revenue from contracts with customers		$ 5,030.1	$ 6,512.3	$ 4,358.4
Product sales—related parties
Revenues:
Revenue from contracts with customers		0.0	41.0	144.9
Midstream services
Revenues:
Revenue from contracts with customers		1,008.4	763.3	552.3
Midstream services—related parties
Revenues:
Revenue from contracts with customers		$ 0.0	$ 377.2	$ 688.2

[1] Includes related party cost of sales of $21.7 million, $114.1 million, and $211.0 million for the years ended December 31, 2019, 2018, and 2017, respectively.