Acquisitions - Schedule of Post-Acquisition Operating Results (Details) - Olympus Energy Acquisition - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025
Business Combination [Line Items]
Total operating revenues	$ 115,498
Net income attributable to EQT Corporation	21,886
Transaction costs	21,000	$ 24,500
Sales of natural gas, NGLs and oil
Business Combination [Line Items]
Total operating revenues	113,059
Pipeline and other
Business Combination [Line Items]
Total operating revenues	$ 2,439