Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for doubtful accounts receivable		$ 0.0	$ 0.1
Environmental remediation expense		0.0	0.0	$ 0.0
Debt issuance costs, noncurrent, net		32.1	34.9
Payment to redeem mandatorily redeemable non-controlling interest	$ 10.5	$ 10.5	0.0	$ 0.0
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life		10 years
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life		20 years
EnLink Midstream Partners, LP
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Gas balancing payable		$ 6.3	17.3
Gas balancing receivable		$ 8.0	$ 20.2
Delaware Basin JV | NPG
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent		49.90%
Ascension JV | Marathon Petroleum Corporation
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent		50.00%