Summary of Significant Accounting Policies - Narrative (Details)	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($) segment	Jul. 21, 2024 segment	Dec. 31, 2024 USD ($) $ / MBoe well	Dec. 31, 2023 USD ($) $ / MBoe well	Dec. 31, 2022 USD ($) $ / MBoe well	May 31, 2024
Property, Plant and Equipment [Line Items]
Number of operating segments | segment	3
Number of segments | segment	3	1
Internal costs	$ 69,000,000		$ 69,000,000	$ 57,000,000	$ 48,000,000
Interest costs capitalized			$ 54,000,000	$ 41,000,000	$ 28,000,000
Overall average rate of depletion (in dollars per Mcfe) | $ / MBoe			0.90	0.84	0.85
Number of exploratory dry holes | well			0	0	0
Capitalized exploratory well costs	0		$ 0	$ 0	$ 0
Oil and gas producing properties	33,549,913,000		$ 33,549,913,000	32,510,595,000
Depreciation rate percentage			3.10%
Impairment and expiration of leases			$ 97,368,000	109,421,000	176,606,000
Property, plant and equipment	44,505,504,000		44,505,504,000	33,817,169,000
Impairment of contract asset					214,000,000
Contract asset					0
Carrying Value	$ 3,584,155,000		$ 3,584,155,000	56,623,000
Largest amount of benefit threshold, percentage (no greater than)	50.00%		50.00%
Insurance percentage	10.00%		10.00%
Expense recognized related to defined contribution plan			$ 14,500,000	$ 9,000,000.0	$ 7,800,000
Gathering
Property, Plant and Equipment [Line Items]
Oil and gas producing properties	$ 25,000,000		25,000,000
EQM Transmission And Storage Assets
Property, Plant and Equipment [Line Items]
Oil and gas producing properties	$ 4,000,000		$ 4,000,000
WATT Fuel Cell Corporation
Property, Plant and Equipment [Line Items]
Ownership percentage	15.63%		15.63%	15.43%
Carrying Value	$ 14,533,000		$ 14,533,000	$ 16,700,000
the Investment Fund
Property, Plant and Equipment [Line Items]
Investment owned	33,200,000		33,200,000	36,100,000
Unproved Property
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 1,563,000,000		$ 1,563,000,000	$ 2,039,000,000
NEPA Gathering System
Property, Plant and Equipment [Line Items]
Ownership interest (in percent)						100.00%
Consolidated interest | Eureka Midstream Holdings L L C
Property, Plant and Equipment [Line Items]
Ownership interest (in percent)	60.00%		60.00%