Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share Reconciliation [Abstract]
Net income attributable to EQT Corporation – Basic income available to shareholders	$ 103,488	$ 1,218,548
Add back: Interest expense on Convertible Notes, net of tax	76	1,854
Diluted income available to shareholders	$ 103,564	$ 1,220,402
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average common stock outstanding - basic (in shares)	439,459	361,462
Weighted average common stock outstanding - diluted (in shares)	444,967	393,883
Income per share of common stock attributable to EQT Corporation:
Basic (in dollars per share)	$ 0.24	$ 3.37
Diluted (in dollars per share)	$ 0.23	$ 3.10
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)	4,026	4,226
Convertible notes
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Potentially dilutive securities included in the calculation of diluted earnings (in shares)	1,482	28,195