Common Stock - EQT Common Stock Repurchased (Details) - Share Repurchase Program - USD ($) $ / shares in Units, $ in Millions	12 Months Ended			36 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023
Class of Stock [Line Items]
Shares of EQT Corporation Common Stock Repurchased (in shares)	5,906,159	13,139,641	1,361,668	20,407,468
Aggregate Purchase Price	$ 200.0	$ 392.7	$ 29.4	$ 622.1
Average Price Per Share (in dollars per share)	$ 33.86	$ 29.89	$ 21.56