Members' Equity - Computation and Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Distributed earnings allocated to:
Total distributed earnings	$ 60.6	$ 58.8	$ 121.1	$ 118.3
Distribution in excess of earnings:
Total distribution in excess of earnings, basic	(27.7)	(4.5)	(73.7)	(5.8)
Total distribution in excess of earnings, diluted	(27.7)	(4.5)	(73.7)	(5.8)
Net income attributable to ENLC allocated to:
Total net income attributable to ENLC, net of loss on exchange of Series B Preferred Units, basic	32.9	54.3	47.4	112.5
Total net income attributable to ENLC, net of loss on exchange of Series B Preferred Units, diluted	$ 32.9	$ 54.3	$ 47.4	$ 112.5
Net income attributable to ENLC per unit:
Basic (in dollars per share)	$ 0.07	$ 0.12	$ 0.11	$ 0.24
Diluted (in dollars per share)	$ 0.07	$ 0.12	$ 0.10	$ 0.24
Unvested unit-based awards
Distributed earnings allocated to:
Total distributed earnings	$ 0.8	$ 1.0	$ 1.5	$ 1.9
Distribution in excess of earnings:
Total distribution in excess of earnings, basic	(0.3)	(0.1)	(0.9)	(0.1)
Total distribution in excess of earnings, diluted	(0.3)	(0.1)	(0.9)	(0.1)
Net income attributable to ENLC allocated to:
Total net income attributable to ENLC, net of loss on exchange of Series B Preferred Units, basic	0.5	0.9	0.6	1.8
Total net income attributable to ENLC, net of loss on exchange of Series B Preferred Units, diluted	0.5	0.9	0.6	1.8
Common units
Distributed earnings allocated to:
Total distributed earnings	59.8	57.8	119.6	116.4
Distribution in excess of earnings:
Total distribution in excess of earnings, basic	(27.4)	(4.4)	(72.8)	(5.7)
Total distribution in excess of earnings, diluted	(27.4)	(4.4)	(72.8)	(5.7)
Net income attributable to ENLC allocated to:
Total net income attributable to ENLC, net of loss on exchange of Series B Preferred Units, basic	32.4	53.4	46.8	110.7
Total net income attributable to ENLC, net of loss on exchange of Series B Preferred Units, diluted	$ 32.4	$ 53.4	$ 46.8	$ 110.7