Financial Information by Business Segment - Schedule of Segment Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Segment assets:
Investment in the MVP Joint Venture	$ 3,600,537	$ 3,617,397
Goodwill	2,062,462	2,079,481
Total assets	41,195,290	$ 39,830,255	$ 39,945,589
Operating Segments
Segment assets:
Investment in the MVP Joint Venture	3,481,773		3,358,346
Goodwill	1,231,783		1,289,759
Other segment assets	35,139,344		34,040,386
Total assets	39,852,900		38,688,491
Production | Operating Segments
Segment assets:
Investment in the MVP Joint Venture	0		0
Goodwill	0		0
Other segment assets	23,641,401		22,890,299
Total assets	23,641,401		22,890,299
Gathering | Operating Segments
Segment assets:
Investment in the MVP Joint Venture	0		0
Goodwill	0		0
Other segment assets	8,601,123		8,187,601
Total assets	8,601,123		8,187,601
Transmission | Operating Segments
Segment assets:
Investment in the MVP Joint Venture	3,481,773		3,358,346
Goodwill	1,231,783		1,289,759
Other segment assets	2,896,820		2,962,486
Total assets	$ 7,610,376		$ 7,610,591