Statements of Condensed Consolidated Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (936,519)	$ (263,075)	$ (977,551)	$ (430,214)
Other comprehensive income, net of tax:
Other post-retirement benefits liability adjustment, net of tax expense: $27, $24, $54 and $48	81	72	161	84
Comprehensive loss	(936,438)	(263,003)	(977,390)	(430,130)
Less: Comprehensive loss attributable to noncontrolling interests	(62)	0	(576)	0
Comprehensive loss attributable to EQT Corporation	$ (936,376)	$ (263,003)	$ (976,814)	$ (430,130)