Investments in Unconsolidated Entities - Narrative (Details) Dekatherm in Thousands, $ in Millions	1 Months Ended	5 Months Ended	12 Months Ended
	Dec. 31, 2023 USD ($) Dekatherm mi in	Dec. 31, 2024 USD ($) mi in	Dec. 31, 2024 USD ($) Bcf / d mi in	Feb. 03, 2025 USD ($)
the Investment Fund
Schedule of Equity Method Investments [Line Items]
Investment owned	$ 36.1	$ 33.2	$ 33.2
Mountain Valley Pipeline | MVP Joint Venture
Schedule of Equity Method Investments [Line Items]
Natural gas interstate pipeline (in miles) | mi		303	303
Pipeline diameter (in inches) | in		42	42
Annual minimum volume (in Bcf per day) | Bcf / d			2.0
Estimated total project costs, excluding allowance for funds used		$ 8,100.0	$ 8,100.0
Merger related costs		142.8
Accretion, net		$ 1,300.0	$ 1,300.0
MVP Southgate | MVP Joint Venture
Schedule of Equity Method Investments [Line Items]
Pipeline diameter (in inches) | in	30
Annual minimum volume (in Bcf per day) | Dekatherm	550
Remaining capital obligation, percentage	33.00%
MVP Southgate | Pittsylvania | MVP Joint Venture
Schedule of Equity Method Investments [Line Items]
Natural gas interstate pipeline (in miles) | mi	31	75	75
MVP Southgate | Rockingham County, North Carolina | MVP Joint Venture
Schedule of Equity Method Investments [Line Items]
Pipeline diameter (in inches) | in		24	24
MVP Southgate | Alamance County, North Carolina | MVP Joint Venture
Schedule of Equity Method Investments [Line Items]
Pipeline diameter (in inches) | in		16	16
Minimum | MVP Southgate | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Estimated cost				$ 370.0
Maximum | MVP Southgate | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Estimated cost				$ 430.0