Members' Equity (Details) - USD ($)			3 Months Ended												12 Months Ended
	Feb. 22, 2019	Jan. 25, 2019	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 30, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Stock repurchase program, authorized amount																		$ 100,000,000
Common units repurchased (in shares)															6,091,001	383,614
Payments for repurchase of common stock															$ 40,100,000	$ 1,200,000	$ 0
Payments for repurchase of common stock (in dollars per share)															$ 6.59	$ 3.02
Sale of stock, maximum amount allowed to be sold through agent	$ 400,000,000
Distributed earnings allocated to:
Total distributed earnings															$ 197,000,000.0	$ 186,600,000	484,700,000
Undistributed loss allocated to:
Total undistributed loss, basic															(174,600,000)	(608,100,000)	(1,604,000,000)
Total undistributed loss, diluted															(174,600,000)	(608,100,000)	(1,604,000,000)
Net income (loss) attributable to ENLC allocated to:
Total net income (loss), basic															22,400,000	(421,500,000)	(1,119,300,000)
Total net income (loss), diluted															$ 22,400,000	$ (421,500,000)	$ (1,119,300,000)
Basic and diluted net income (loss) per unit attributable to ENLC:
Basic (in dollars per share)															$ 0.05	$ (0.86)	$ (2.41)
Diluted (in dollars per share)															$ 0.05	$ (0.86)	$ (2.41)
Weighted average basic common units outstanding (in units)															488,800,000	489,300,000	463,900,000
Dilutive effect of non-vested restricted units (in units)															5,500,000	0	0
Total weighted average diluted common units outstanding (in units)															494,300,000	489,300,000	463,900,000
Distribution declared/unit (in dollars per share)			$ 0.11250	$ 0.09375	$ 0.09375	$ 0.09375	$ 0.09375	$ 0.09375	$ 0.09375	$ 0.09375	$ 0.1875	$ 0.283	$ 0.283	$ 0.279
Merger
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Business acquisition, equity interest issued or issuable, number of shares (in shares)		304,822,035
Unvested restricted units
Distributed earnings allocated to:
Total distributed earnings															$ 4,500,000	$ 3,100,000	$ 5,700,000
Undistributed loss allocated to:
Total undistributed loss, basic															(4,000,000.0)	(9,700,000)	(19,200,000)
Total undistributed loss, diluted															(4,000,000.0)	(9,700,000)	(19,200,000)
Net income (loss) attributable to ENLC allocated to:
Total net income (loss), basic															500,000	(6,600,000)	(13,500,000)
Total net income (loss), diluted															500,000	(6,600,000)	(13,500,000)
Common units
Distributed earnings allocated to:
Total distributed earnings															192,500,000	183,500,000	479,000,000.0
Undistributed loss allocated to:
Total undistributed loss, basic															(170,600,000)	(598,400,000)	(1,584,800,000)
Total undistributed loss, diluted															(170,600,000)	(598,400,000)	(1,584,800,000)
Net income (loss) attributable to ENLC allocated to:
Total net income (loss), basic															21,900,000	(414,900,000)	(1,105,800,000)
Total net income (loss), diluted															$ 21,900,000	$ (414,900,000)	$ (1,105,800,000)