STATEMENTS OF CONSOLIDATED CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net (loss) income	$ (2,007,158)	$ 1,858,142	$ (131,063)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Deferred income taxes (benefit)	(510,405)	(1,050,612)	(180,261)
Depreciation and depletion	1,729,739	1,077,559	927,920
Amortization of intangible assets	77,374	10,940	0
Amortization of financing costs and accretion expense	17,914	0	0
Asset and lease impairments and exploratory well costs	2,989,684	20,327	75,434
Goodwill impairment	798,689	0	0
Gain on sale of assets	0	0	(8,025)
Loss on debt extinguishment	0	12,641	0
Provision for (recoveries of) losses on accounts receivable	3,078	(979)	3,856
Non-cash other expense (income)	18,335	(24,955)	(31,693)
Share-based compensation expense	25,189	94,592	44,605
Loss (gain) on derivatives not designated as hedges	178,591	(390,021)	248,991
Cash settlements (paid) received on derivatives not designated as hedges	(225,279)	40,728	279,425
Pension settlement charge	0	0	9,403
Changes in other assets and liabilities:
Accounts receivable	(439,062)	(8,979)	(165,507)
Accounts payable	457,113	(16,680)	40,548
Tax receivable	(117,188)	(12,285)	34,880
Other items, net	(20,358)	27,280	(84,193)
Net cash provided by operating activities	2,976,256	1,637,698	1,064,320
Cash flows from investing activities:
Capital expenditures	(2,964,924)	(1,549,351)	(942,810)
Cash payments for Rice Merger (as defined in Note 3), net of cash acquired	0	(1,560,272)	0
Capital expenditures for other acquisitions	(34,113)	(828,657)	(1,061,735)
Capital expenditures from discontinued operations	(732,727)	(380,151)	(584,819)
Net sales of trading securities	0	283,758
Net investments in trading securities			(284,882)
Proceeds from sale of assets	583,381	3,573	75,000
Exploratory dry hole costs	0	(11,420)	(1,369)
Capital contributions to Mountain Valley Pipeline, LLC, net of sales of interest (Note 2)	(820,943)	(159,550)	(85,866)
Other investing activities	(9,778)	0	0
Net cash used in investing activities	(3,979,104)	(4,202,070)	(2,886,481)
Cash flows from financing activities:
Net proceeds from the issuance of common shares of EQT Corporation	0	0	1,225,999
Net proceeds from the issuance of common units of EQM Midstream Partners, LP	0	0	217,102
Proceeds from issuance of debt	2,500,000	3,000,000	500,000
Increase in borrowings on credit facilities	8,637,500	2,063,000	740,000
Repayment of borrowings on credit facilities	(8,953,500)	(1,076,500)	(1,039,000)
Dividends paid	(31,375)	(20,827)	(20,156)
Distributions to noncontrolling interests	(380,651)	(236,123)	(189,981)
Net cash transferred at Separation and Distribution (Note 2)	(129,008)	0	0
Contribution to Strike Force Midstream LLC by minority owner, net of distribution	0	6,738	0
Acquisition of 25% of Strike Force Midstream LLC	(175,000)	0	0
Repayments and retirements of debt	(8,376)	(2,000,000)	(5,119)
Proceeds and excess tax benefits from awards under employee compensation plans	1,946	244	6,165
Cash paid for taxes related to net settlement of share-based incentive awards	(22,647)	(72,116)	(26,931)
Debt issuance costs and revolving credit facility origination fees	(40,966)	(41,876)	(8,580)
Premiums paid on debt extinguishment	0	(89,363)	0
Repurchase and retirement of common stock	(538,876)	0	0
Repurchase of common stock	(27)	(30)	(30)
Net cash provided by financing activities	859,020	1,533,147	1,399,469
Net change in cash and cash equivalents	(143,828)	(1,031,225)	(422,692)
Cash, cash equivalents and restricted cash at beginning of year	147,315	1,178,540	1,601,232
Cash, cash equivalents and restricted cash at end of year	3,487	147,315	1,178,540
Cash paid (received) during the year for:
Interest, net of amount capitalized	260,959	189,371	144,657
Income taxes, net	$ (3,675)	$ 3,637	$ (41,142)