Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss		$ (260.4)	$ (134.8)
Loss on designated cash flow hedge	[1]	(13.1)	0.0
Comprehensive loss		(273.5)	(134.8)
Comprehensive income attributable to non-controlling interest		26.4	41.5
Comprehensive loss attributable to ENLC		(299.9)	$ (176.3)
Income tax expense (benefit)	[1]	$ (4.0)

[1] Includes a tax benefit of $4.0 million for the three months ended March 31, 2020.