Employee Incentive Plans - Restricted and Performance Awards (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jan. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Unvested restricted units
Number of Units
Non-vested, beginning of period (in shares)						7,507,471
Granted (in shares)		193,935				2,386,493
Vested (in shares)						(1,100,302)
Forfeited (in shares)						(131,415)
Non-vested, end of period (in shares)	8,662,247			8,662,247		8,662,247
Aggregate intrinsic value, end of period	$ 73.6			$ 73.6		$ 73.6
Weighted Average Grant-Date Fair Value
Non-vested, beginning of period (in dollars per share)						$ 5.46
Granted (in dollars per share)						8.81
Vested (in dollars per share)						10.22
Forfeited (in dollars per share)						5.91
Non-vested, end of period (in dollars per share)	$ 5.77			$ 5.77		$ 5.77
Incentive unit award vesting period						3 years
Units withheld for payroll taxes (in shares)						296,453
Aggregate intrinsic value of units vested				$ 0.6	$ 0.9	$ 8.2	$ 3.9
Fair value of units vested		$ 1.7		0.5	$ 2.3	11.2	12.5
Unrecognized compensation cost related to non-vested restricted incentive units	$ 25.7			$ 25.7		$ 25.7
Unrecognized compensation costs, weighted average period for recognition (in years)						2 years
ENLC Performance Units:
Grants in period		193,935				2,386,493
Performance units
Number of Units
Non-vested, beginning of period (in shares)						3,574,827
Granted (in shares)						1,204,882
Vested (in shares)						(708,361)
Non-vested, end of period (in shares)	4,071,348			4,071,348		4,071,348
Aggregate intrinsic value, end of period	$ 34.6			$ 34.6		$ 34.6
Weighted Average Grant-Date Fair Value
Non-vested, beginning of period (in dollars per share)						$ 6.40
Granted (in dollars per share)						11.60
Vested (in dollars per share)						15.57
Non-vested, end of period (in dollars per share)	$ 6.34			$ 6.34		$ 6.34
Units withheld for payroll taxes (in shares)						273,357
Aggregate intrinsic value of units vested						$ 5.6	0.6
Fair value of units vested						11.0	$ 4.4
Unrecognized compensation cost related to non-vested restricted incentive units	$ 20.3			$ 20.3		$ 20.3
Unrecognized compensation costs, weighted average period for recognition (in years)						2 years
ENLC Performance Units:
Grant-date fair value (in dollars per share)	$ 11.71	$ 11.90	$ 4.70
Beginning TSR Price (in dollars per share)	$ 8.54	$ 8.83	$ 3.71
Risk-free interest rate (as a percent)	3.35%	2.15%	0.17%
Volatility factor (as a percent)	76.00%	75.00%	71.00%
Grants in period						1,204,882
Performance units | Minimum
Weighted Average Grant-Date Fair Value
Percent of units vesting (as a percent)						0.00%
Performance units | Maximum
Weighted Average Grant-Date Fair Value
Percent of units vesting (as a percent)						200.00%
Performance Shares With Vesting Conditions
Number of Units
Granted (in shares)						88,863
ENLC Performance Units:
Grant-date fair value (in dollars per share)		$ 8.90
Grants in period						88,863