Statements of Condensed Consolidated Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating revenues:
Sales of natural gas, oil and natural gas liquids	$ 769,627	$ 1,049,594	$ 2,941,767	$ 3,279,001
Gain (loss) on derivatives not designated as hedges	180,313	(3,075)	455,952	5,620
Total operating revenues	951,576	1,050,046	3,405,001	3,312,730
Operating expenses:
Transportation and processing	437,942	420,747	1,314,172	1,265,473
Production	37,821	42,734	117,545	149,231
Exploration	3,492	3,596	6,356	6,474
Selling, general and administrative	79,376	51,816	214,562	154,590
Depreciation and depletion	390,993	388,016	1,154,519	1,152,418
Impairment/loss on sale/exchange of long-lived assets	13,935	259,279	13,935	2,706,438
Impairment of intangible assets	15,411	0	15,411	0
Lease impairments and expirations	49,601	12,176	127,719	35,584
Amortization of intangible assets	7,755	10,341	28,439	31,025
Proxy, transaction and reorganization	76,779	8,792	102,386	23,930
Total operating expenses	1,113,105	1,197,497	3,095,044	5,525,163
Operating (loss) income	(161,529)	(147,451)	309,957	(2,212,433)
Unrealized loss on investment in Equitrans Midstream Corporation	(261,093)	0	(276,779)	0
Dividend and other income	22,960	4,323	67,592	4,063
Interest expense	47,709	56,180	154,785	171,211
Loss from continuing operations before income taxes	(447,371)	(199,308)	(54,015)	(2,379,581)
Income tax benefit	(86,343)	(71,961)	(9,244)	(596,723)
Loss from continuing operations	(361,028)	(127,347)	(44,771)	(1,782,858)
Income from discontinued operations, net of tax	0	190,795	0	537,673
Net (loss) income	(361,028)	63,448	(44,771)	(1,245,185)
Less: Net income from discontinued operations attributable to noncontrolling interests	0	103,141	0	362,696
Amounts attributable to EQT Corporation:
Loss from continuing operations	(361,028)	(127,347)	(44,771)	(1,782,858)
Income from discontinued operations, net of tax	0	87,654	0	174,977
Net loss attributable to EQT Corporation	$ (361,028)	$ (39,693)	$ (44,771)	$ (1,607,881)
Basic:
Weighted average common stock outstanding (in shares)	255,235	259,560	255,069	262,816
Loss from continuing operations (in dollars per share)	$ (1.41)	$ (0.49)	$ (0.18)	$ (6.79)
Income from discontinued operations (in dollars per share)	0	0.34	0	0.67
Net loss (in dollars per share)	$ (1.41)	$ (0.15)	$ (0.18)	$ (6.12)
Diluted:
Weighted average common stock outstanding (in shares)	255,235	259,560	255,069	262,816
Loss from continuing operations (in dollars per share)	$ (1.41)	$ (0.49)	$ (0.18)	$ (6.79)
Income from discontinued operations (in dollars per share)	0	0.34	0	0.67
Net loss (in dollars per share)	$ (1.41)	$ (0.15)	$ (0.18)	$ (6.12)
Sales of natural gas, oil and natural gas liquids
Operating revenues:
Sales of natural gas, oil and natural gas liquids	$ 769,627	$ 1,046,989	$ 2,941,767	$ 3,264,728
Net marketing services and other
Operating revenues:
Net marketing services and other	$ 1,636	$ 6,132	$ 7,282	$ 42,382