Members' Equity - Computation and Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Distributed earnings allocated to:
Total distributed earnings	$ 60.5	$ 59.5
Undistributed loss allocated to:
Total undistributed loss, basic	(46.0)	(1.3)
Total undistributed loss, diluted	(46.0)	(1.3)
Net income attributable to ENLC allocated to:
Total net income attributable to ENLC, basic	14.5	58.2
Total net income attributable to ENLC, diluted	$ 14.5	$ 58.2
Net income attributable to ENLC per unit:
Basic (in dollars per share)	$ 0.03	$ 0.12
Diluted (in dollars per share)	$ 0.03	$ 0.12
Unvested unit-based awards
Distributed earnings allocated to:
Total distributed earnings	$ 0.7	$ 0.9
Undistributed loss allocated to:
Total undistributed loss, basic	(0.6)	0.0
Total undistributed loss, diluted	(0.6)	0.0
Net income attributable to ENLC allocated to:
Total net income attributable to ENLC, basic	0.1	0.9
Total net income attributable to ENLC, diluted	0.1	0.9
Common units
Distributed earnings allocated to:
Total distributed earnings	59.8	58.6
Undistributed loss allocated to:
Total undistributed loss, basic	(45.4)	(1.3)
Total undistributed loss, diluted	(45.4)	(1.3)
Net income attributable to ENLC allocated to:
Total net income attributable to ENLC, basic	14.4	57.3
Total net income attributable to ENLC, diluted	$ 14.4	$ 57.3