Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (999.6)		$ (32.8)	$ 320.0
Loss on designated cash flow hedge	[3]	(9.0)	[1],[2]	0.0	(2.0)	[1]
Comprehensive income (loss)		(1,008.6)		(32.8)	318.0
Comprehensive income (loss) attributable to non-controlling interest		119.7		(19.6)	105.6
Comprehensive income (loss) attributable to ENLC		$ (1,128.3)		$ (13.2)	$ 212.4

[1] Includes a tax benefit of $0.2 million.

[2] Includes a tax benefit of $3.4 million.

[3] The loss on designated cash flow hedge recorded in accumulated other comprehensive loss for the years ended December 31, 2019 and 2017 was net of a tax benefit of $3.4 million and $0.2 million, respectively.