STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,858,142	$ (131,063)	$ 321,886
Net change in cash flow hedges:
Natural gas, net of tax benefit of ($3,191), ($36,296) and ($102,271)	(4,982)	(55,155)	(152,359)
Interest rate, net of tax expense of $105, $104 and $100	144	144	144
Pension and other post-retirement benefits liability adjustment, net of tax expense (benefit) of $193, $6,778 and ($564)	338	10,675	(901)
Other comprehensive loss	(4,500)	(44,336)	(153,116)
Comprehensive income (loss)	1,853,642	(175,399)	168,770
Less: Comprehensive income attributable to noncontrolling interests	349,613	321,920	236,715
Comprehensive income (loss) attributable to EQT Corporation	$ 1,504,029	$ (497,319)	$ (67,945)