STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (2,007,158)	$ 1,858,142	$ (131,063)
Net change in cash flow hedges:
Natural gas, net of tax expense (benefit) of $2,584, ($3,191) and ($36,296)	(4,625)	(4,982)	(55,155)
Interest rate, net of tax expense of $80, $105 and $104	168	144	144
Pension and other post-retirement benefits liability adjustment, net of tax expense of $510, $193 and $6,778	606	338	10,675
Other comprehensive (loss)	(3,851)	(4,500)	(44,336)
Comprehensive (loss) income	(2,011,009)	1,853,642	(175,399)
Less: Comprehensive income from discontinued operations attributable to noncontrolling interests	237,410	349,613	321,920
Comprehensive (loss) income attributable to EQT Corporation	$ (2,248,419)	$ 1,504,029	$ (497,319)