Common Stock and Income Per Share - Narrative (Details) - USD ($) $ in Millions			1 Months Ended		37 Months Ended
	Jul. 22, 2024	Aug. 22, 2023	Jul. 31, 2024	Aug. 31, 2023	Dec. 31, 2024	Dec. 18, 2024	Jul. 18, 2024	Jul. 17, 2024	Dec. 31, 2023	Apr. 26, 2023	Dec. 31, 2022	Sep. 06, 2022	Dec. 13, 2021
Class of Stock [Line Items]
Common stock, authorized shares (in shares)					1,280,000,000		1,280,000,000	640,000,000	640,000,000		640,000,000
Equitrans Midstream Merger
Class of Stock [Line Items]
Number of shares issued in business combination (in shares)	152,427,848		152,427,848
Tug Hill and XcL Midstream
Class of Stock [Line Items]
Number of shares issued in business combination (in shares)		49,599,796		49,599,796
Share Repurchase Program
Class of Stock [Line Items]
Aggregate purchase price authorized (up to)												$ 2,000.0	$ 1,000.0
Increase to the authorized repurchase amount												$ 1,000.0
Extension						2 years				1 year
Shares repurchased since inception					$ 622.1
Stock compensation plans
Class of Stock [Line Items]
Common stock authorized and unissued (in shares)					19,300,000