Derivatives - Commodities (Details) - Commodity Swaps gal in Millions, bbl in Millions, MMBTU in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) MMBTU gal bbl	Dec. 31, 2020 USD ($)
Derivatives
Net Fair Value	$ (14.5)
EnLink Midstream Partners, LP
Derivatives
Net Fair Value	(14.5)	$ (2.1)
Maximum loss if counterparties fail to perform	22.6
Maximum potential exposure to credit losses net exposure	$ 0.8
EnLink Midstream Partners, LP | NGL | Short
Derivatives
Notional amount (in gallons or MMbbls) | gal	63.0
Net Fair Value	$ (10.6)
EnLink Midstream Partners, LP | NGL | Long
Derivatives
Notional amount (in gallons or MMbbls) | gal	0.0
Net Fair Value	$ 0.0
EnLink Midstream Partners, LP | Natural Gas | Short
Derivatives
Notional amount (in mmbtu) | MMBTU	7.5
Net Fair Value	$ 2.7
EnLink Midstream Partners, LP | Natural Gas | Long
Derivatives
Notional amount (in mmbtu) | MMBTU	13.2
Net Fair Value	$ (7.8)
EnLink Midstream Partners, LP | Condensate | Short
Derivatives
Notional amount (in gallons or MMbbls) | bbl	3.9
Net Fair Value	$ (4.4)
EnLink Midstream Partners, LP | Crude and condensate | Long
Derivatives
Notional amount (in gallons or MMbbls) | bbl	3.9
Net Fair Value	$ 5.6