Acquisitions - Schedule of Purchase Price Allocation (Details) - USD ($)			9 Months Ended
	Jul. 01, 2025	Jul. 22, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Consideration:
Equity			$ 1,471,365,000	$ 5,548,608,000
Fair value of liabilities assumed:
Accounts payable	$ 3,082,000
Goodwill			$ 2,062,462,000		$ 2,079,481,000
Olympus Energy Acquisition
Consideration:
Equity	1,471,365,000
Cash payments to acquire business	474,640,000
Total consideration	1,946,005,000
Fair value of assets acquired:
Derivative instruments, at fair value	13,188,000
Prepaid expenses and other	18,000
Property, plant and equipment	2,019,227,000
Amount attributable to assets acquired	2,032,433,000
Fair value of liabilities assumed:
Derivative instruments, at fair value	66,711,000
Other current liabilities	1,712,000
Asset retirement obligations and other liabilities	14,923,000
Amount attributable to liabilities assumed	86,428,000
Goodwill	$ 0
Equitrans Midstream Merger
Consideration:
Equity		$ 5,548,608,000
Cash payments to acquire business		29,000
Redemption of Equitrans Midstream preferred stock		685,337,000
Settlement of pre-existing relationships		(239,741,000)
Total consideration		5,994,233,000
Fair value of assets acquired:
Cash and cash equivalents		58,767,000
Accounts receivable, net		82,072,000
Income tax receivable		2,142,000
Prepaid expenses and other		22,048,000
Property, plant and equipment		9,379,999,000
Investments in unconsolidated entities		3,349,184,000
Net intangible assets		200,000,000
Other assets		249,846,000
Noncontrolling interest in consolidated subsidiaries		(163,241,000)
Amount attributable to assets acquired		13,180,817,000
Fair value of liabilities assumed:
Current portion of debt		699,837,000
Accounts payable		65,006,000
Accrued interest		47,996,000
Other current liabilities		70,951,000
Revolving credit facility borrowings		1,035,000,000
Senior notes		6,273,941,000
Deferred income taxes		904,044,000
Asset retirement obligations and other liabilities		152,271,000
Amount attributable to liabilities assumed		9,249,046,000
Goodwill		$ 2,062,462,000