Financial Statements - Schedule of Cash Flow, Supplemental (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash paid (received) during the period for:
Interest, net of amount capitalized	$ 355,666	$ 196,632
Income taxes, net	(79,001)	4,850
Non-cash activity during the period for:
Issuance of EQT common stock as consideration for acquisition (Note 11)	1,471,365	5,548,608
Increase in asset retirement costs and obligations	22,267	7,947
Increase in right-of-use assets and lease liabilities, net	20,322	11,501
Investments in unconsolidated entities	17,981	17,598
Capitalization of non-cash equity share-based compensation	14,211	5,273
Issuance of EQT common stock for Convertible Notes settlement (Note 7)	0	285,608
First NEPA Non-Operated Asset Divestiture (Note 12)	$ 0	$ 155,241