Members' Equity - Computation and Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Distributed earnings allocated to:
Total distributed earnings	$ 61.5	$ 58.6	$ 182.6	$ 176.9
Distribution in excess of earnings:
Total distribution in excess of earnings, basic	(73.0)	(29.1)	(146.7)	(34.9)
Total distribution in excess of earnings, diluted	(73.0)	(29.1)	(146.7)	(34.9)
Net income (loss) attributable to ENLC allocated to:
Total net income (loss) attributable to ENLC, net of loss on exchange of Series B Preferred Units, basic	(11.5)	29.5	35.9	142.0
Total net income (loss) attributable to ENLC, net of loss on exchange of Series B Preferred Units, diluted	$ (11.5)	$ 29.5	$ 35.9	$ 142.0
Net income (loss) attributable to ENLC per unit:
Basic (in dollars per share)	$ (0.03)	$ 0.06	$ 0.08	$ 0.31
Diluted (in dollars per share)	$ (0.03)	$ 0.06	$ 0.08	$ 0.30
Unvested unit-based awards
Distributed earnings allocated to:
Total distributed earnings	$ 0.7	$ 1.0	$ 2.2	$ 2.9
Distribution in excess of earnings:
Total distribution in excess of earnings, basic	(0.9)	(0.5)	(1.8)	(0.6)
Total distribution in excess of earnings, diluted	(0.9)	(0.5)	(1.8)	(0.6)
Net income (loss) attributable to ENLC allocated to:
Total net income (loss) attributable to ENLC, net of loss on exchange of Series B Preferred Units, basic	(0.2)	0.5	0.4	2.3
Total net income (loss) attributable to ENLC, net of loss on exchange of Series B Preferred Units, diluted	(0.2)	0.5	0.4	2.3
Common units
Distributed earnings allocated to:
Total distributed earnings	60.8	57.6	180.4	174.0
Distribution in excess of earnings:
Total distribution in excess of earnings, basic	(72.1)	(28.6)	(144.9)	(34.3)
Total distribution in excess of earnings, diluted	(72.1)	(28.6)	(144.9)	(34.3)
Net income (loss) attributable to ENLC allocated to:
Total net income (loss) attributable to ENLC, net of loss on exchange of Series B Preferred Units, basic	(11.3)	29.0	35.5	139.7
Total net income (loss) attributable to ENLC, net of loss on exchange of Series B Preferred Units, diluted	$ (11.3)	$ 29.0	$ 35.5	$ 139.7