Consolidated Statement of Changes in Members' Equity - USD ($) $ in Millions		Total		Series B Preferred Stock	Series C Preferred Stock	Series C Preferred Stock Redeemed	Series C Preferred Stock Repurchased	Common Units		Common Units Series B Preferred Stock	Common Units Series C Preferred Stock Redeemed	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interest	Non-Controlling Interest Series B Preferred Stock	Non-Controlling Interest Series C Preferred Stock	Non-Controlling Interest Series C Preferred Stock Redeemed	Non-Controlling Interest Series C Preferred Stock Repurchased
Member equity, beginning balance at Dec. 31, 2022		$ 2,912.7						$ 1,306.4				$ 0.0	$ 1,606.3
Units outstanding, beginning balance (in shares) at Dec. 31, 2022								469,000,000.0
Increase (Decrease) in Members' Equity
Conversion of unit-based awards for common units, net of units withheld for taxes		(19.3)						$ (19.3)
Conversion of unit-based awards for common units, net of units withheld for taxes (in shares)								2,900,000
Unit-based compensation		14.2						$ 14.2
Contributions from non-controlling interests		51.5											51.5
Distributions		(310.8)						(178.6)					(132.2)
Unrealized (loss) gain on designated cash flow hedge	[2]	6.2	[1]									6.2
Adjustment related to the redemption of the mandatorily redeemable non-controlling interest	[3]	0.8						0.8
Repurchase of Series B Preferred Units /Redemption of Series C Preferred Units /Repurchase of Series C Preferred Units					$ (3.9)										$ (3.9)
Common units repurchased		$ (162.4)						$ (162.4)
Common units repurchased (in shares)		(14,602,389)						(14,600,000)
Accrued common unit repurchase	[4]	$ 23.0						$ 23.0
Net income		249.9						142.0					107.9
Member equity, end balance at Sep. 30, 2023		2,715.9						$ 1,080.1				6.2	1,629.6
Units outstanding, ending balance (in shares) at Sep. 30, 2023								457,300,000
Member equity, beginning balance at Jun. 30, 2023		2,774.2						$ 1,156.1				4.5	1,613.6
Units outstanding, beginning balance (in shares) at Jun. 30, 2023								462,000,000.0
Increase (Decrease) in Members' Equity
Conversion of unit-based awards for common units, net of units withheld for taxes		(2.4)						$ (2.4)
Conversion of unit-based awards for common units, net of units withheld for taxes (in shares)								300,000
Unit-based compensation		5.7						$ 5.7
Contributions from non-controlling interests		29.4											29.4
Distributions		(108.1)						(58.4)					(49.7)
Unrealized (loss) gain on designated cash flow hedge	[5]	1.7	[1]					0.0				1.7	0.0
Common units repurchased		$ (54.9)						$ (54.9)
Common units repurchased (in shares)		(5,016,593)						(5,000,000.0)
Accrued common unit repurchase	[6]	$ 4.5						$ 4.5
Net income		65.8						29.5					36.3
Member equity, end balance at Sep. 30, 2023		2,715.9						$ 1,080.1				6.2	1,629.6
Units outstanding, ending balance (in shares) at Sep. 30, 2023								457,300,000
Member equity, beginning balance at Dec. 31, 2023		$ 2,635.1						$ 1,000.5				0.7	1,633.9
Units outstanding, beginning balance (in shares) at Dec. 31, 2023		451,614,086						451,600,000
Increase (Decrease) in Members' Equity
Conversion of unit-based awards for common units, net of units withheld for taxes		$ (17.9)						$ (17.9)
Conversion of unit-based awards for common units, net of units withheld for taxes (in shares)								3,000,000.0
Unit-based compensation		16.5						$ 16.5
Contributions from non-controlling interests		24.7											24.7
Distributions		(306.3)						(183.9)					(122.4)
Unrealized (loss) gain on designated cash flow hedge	[7]	(1.8)	[1]									(1.8)
Exchange of Series B Preferred Units	[8]			$ 0.0						$ 217.5				$ (217.5)
Exchange of Series B Preferred Units (in shares)	[8]									17,000,000.0
Repurchase of Series B Preferred Units /Redemption of Series C Preferred Units /Repurchase of Series C Preferred Units	[8]			(200.0)		$ (364.5)	$ (5.0)			$ (9.5)	$ (3.8)			(190.5)		$ (360.7)	$ (5.0)
Tax impact of exchange and repurchase of Series B Preferred Units				6.3						6.3
Common units repurchased	[9]	$ (125.0)						$ (125.0)
Common units repurchased (in shares)		(12,970,921)						(13,000,000.0)	[9]
Accrued common unit repurchase	[10]	$ 20.4						$ 20.4
Net income		160.1						66.6					93.5
Member equity, end balance at Sep. 30, 2024		$ 1,801.8						$ 946.9				(1.1)	856.0
Units outstanding, ending balance (in shares) at Sep. 30, 2024		458,619,945						458,600,000
Member equity, beginning balance at Jun. 30, 2024		$ 2,458.3						$ 914.2				3.8	1,540.3
Units outstanding, beginning balance (in shares) at Jun. 30, 2024								452,100,000
Increase (Decrease) in Members' Equity
Conversion of unit-based awards for common units, net of units withheld for taxes		(0.8)						$ (0.8)
Conversion of unit-based awards for common units, net of units withheld for taxes (in shares)								200,000
Unit-based compensation		5.7						$ 5.7
Contributions from non-controlling interests		10.9											10.9
Distributions		(101.9)						(61.4)					(40.5)
Unrealized (loss) gain on designated cash flow hedge	[11]	(4.9)	[1]									(4.9)
Exchange of Series B Preferred Units	[12]			0.0						$ 127.6				(127.6)
Exchange of Series B Preferred Units (in shares)	[12]									10,000,000.0
Repurchase of Series B Preferred Units /Redemption of Series C Preferred Units /Repurchase of Series C Preferred Units	[12]			(200.0)		$ (364.5)	$ (5.0)			$ (9.5)	$ (3.8)			$ (190.5)		$ (360.7)	$ (5.0)
Tax impact of exchange and repurchase of Series B Preferred Units				$ 6.3						$ 6.3
Common units repurchased		$ (47.9)						$ (47.9)
Common units repurchased (in shares)		(3,625,627)						(3,700,000)
Accrued common unit repurchase	[13]	$ 2.5						$ 2.5
Net income		43.1						14.0					29.1
Member equity, end balance at Sep. 30, 2024		$ 1,801.8						$ 946.9				$ (1.1)	$ 856.0
Units outstanding, ending balance (in shares) at Sep. 30, 2024		458,619,945						458,600,000

[1] Includes tax benefit of $1.7 million and $0.6 million for the three and nine months ended September 30, 2024, respectively, and tax expense of $0.5 million and $1.9 million for the three and nine months ended September 30, 2023, respectively.

[2] Includes tax expense of $1.9 million for the nine months ended September 30, 2023.

[3] Relates to book-to-tax differences recorded upon the settlement of the mandatorily redeemable non-controlling interest.

[4] (3)Relates to the repurchase of ENLC common units held by GIP, which were contractually subject to repurchase by ENLC at the end of each quarter and settled in the subsequent quarter. For additional information, see “Note 8—Members’ Equity.”

[5] Includes tax expense of $0.5 million for the three months ended September 30, 2023.

[6] (2)Relates to the change in the repurchase accrual of ENLC common units held by GIP, which were contractually subject to repurchase by ENLC at the end of each quarter and settled in the subsequent quarter. For additional information, see “Note 8—Members’ Equity.”

[7] (1)Includes tax benefit of $0.6 million for the nine months ended September 30, 2024.

[8] For more information regarding the exchange and repurchase of the Series B Preferred Units and the repurchase and redemption of the Series C Preferred Units, see “Note 7—Certain Provisions of the ENLK Partnership Agreement.”

[9] Excludes the $41.5 million repurchase of ENLC common units held by GIP on February 19, 2024, which was accrued at December 31, 2023.

[10] Relates to the repurchase of ENLC common units held by GIP, which were contractually subject to repurchase by ENLC at the end of each quarter and settled in the subsequent quarter. For additional information, see “Note 8—Members’ Equity.”

[11] Includes tax benefit of $1.7 million for the three months ended September 30, 2024.

[12] (2)For more information regarding the exchange and repurchase of the Series B Preferred Units and the repurchase and redemption of the Series C Preferred Units, see “Note 7—Certain Provisions of the ENLK Partnership Agreement.”

[13] Relates to the change in the repurchase accrual of ENLC common units held by GIP, which were contractually subject to repurchase by ENLC at the end of each quarter and settled in the subsequent quarter. For additional information, see “Note 8—Members’ Equity.”