Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share Reconciliation [Abstract]
Net income attributable to EQT Corporation – Basic income available to shareholders	$ 784,147	$ 9,517	$ 1,026,286	$ 113,005
Add back: Interest expense on Convertible Notes, net of tax	0	0	0	114
Diluted income available to shareholders	$ 784,147	$ 9,517	$ 1,026,286	$ 113,119
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average common stock outstanding - basic (in shares)	599,221	441,968	598,574	440,714
Weighted average common stock outstanding - diluted (in shares)	602,924	444,921	602,896	444,893
Income per share of common stock attributable to EQT Corporation:
Basic (in dollars per share)	$ 1.31	$ 0.02	$ 1.71	$ 0.26
Diluted (in dollars per share)	$ 1.30	$ 0.02	$ 1.70	$ 0.25
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)	3,703	2,953	4,322	3,438
Convertible notes
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Potentially dilutive securities included in the calculation of diluted earnings (in shares)	0	0	0	741