Members' Equity - Summary (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended												12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Distributed earnings allocated to:
Total distributed earnings													$ 238.2	$ 226.5	$ 197.0
Undistributed income (loss) allocated to:
Total undistributed loss, basic													(32.0)	134.8	(174.6)
Total undistributed loss, diluted													(32.0)	134.8	(174.6)
Net income attributable to ENLC allocated to:
Total net income (loss), basic													206.2	361.3	22.4
Total net income (loss), diluted													$ 206.2	$ 361.3	$ 22.4
Net income attributable to ENLC per unit:
Basic (in dollars per share)													$ 0.45	$ 0.76	$ 0.05
Diluted (in dollars per share)													$ 0.44	$ 0.74	$ 0.05
Weighted average basic common units outstanding (in units)													461.7	478.5	488.8
Dilutive effect of non-vested restricted units (in units)													4.3	6.8	5.5
Total weighted average diluted common units outstanding (in units)													466.0	485.3	494.3
Distribution declared/unit (in dollars per share)	$ 0.13250	$ 0.12500	$ 0.12500	$ 0.12500	$ 0.12500	$ 0.11250	$ 0.11250	$ 0.11250	$ 0.11250	$ 0.09375	$ 0.09375	$ 0.09375
Unvested unit-based awards
Distributed earnings allocated to:
Total distributed earnings													$ 3.9	$ 5.2	$ 4.5
Undistributed income (loss) allocated to:
Total undistributed loss, basic													(0.5)	3.1	(4.0)
Total undistributed loss, diluted													(0.5)	3.1	(4.0)
Net income attributable to ENLC allocated to:
Total net income (loss), basic													3.4	8.3	0.5
Total net income (loss), diluted													3.4	8.3	0.5
Common units
Distributed earnings allocated to:
Total distributed earnings													234.3	221.3	192.5
Undistributed income (loss) allocated to:
Total undistributed loss, basic													(31.5)	131.7	(170.6)
Total undistributed loss, diluted													(31.5)	131.7	(170.6)
Net income attributable to ENLC allocated to:
Total net income (loss), basic													202.8	353.0	21.9
Total net income (loss), diluted													$ 202.8	$ 353.0	$ 21.9