(Loss) Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share Reconciliation [Abstract]
Net (loss) income attributable to EQT Corporation – Basic (loss) income available to shareholders	$ (300,823)	$ 81,255	$ (187,818)	$ 1,233,177
Add back: Interest expense on Convertible Notes, net of tax	0	2,042	0	6,117
Diluted (loss) income available to shareholders	$ (300,823)	$ 83,297	$ (187,818)	$ 1,239,294
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average common stock outstanding - basic (in shares)	559,603	383,359	480,354	368,936
Weighted average common stock outstanding - diluted (in shares)	559,603	416,190	480,354	401,859
(Loss) income per share of common stock attributable to EQT Corporation:
Basic (in dollars per share)	$ (0.54)	$ 0.21	$ (0.39)	$ 3.34
Diluted (in dollars per share)	$ (0.54)	$ 0.20	$ (0.39)	$ 3.08
Options, restricted stock, performance awards, and stock appreciation rights
(Loss) income per share of common stock attributable to EQT Corporation:
Shares excluded from potentially dilutive securities (in shares)	7,600		6,000
Convertible notes
(Loss) income per share of common stock attributable to EQT Corporation:
Shares excluded from potentially dilutive securities (in shares)			500
Options, restricted stock, performance awards, and stock appreciation rights
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Potentially dilutive securities included in the calculation of diluted earnings (in shares)	0	4,398	0	4,606
Convertible notes
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Potentially dilutive securities included in the calculation of diluted earnings (in shares)	0	28,433	0	28,317