STATEMENTS OF CONSOLIDATED CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net (loss) income	$ (1,221,695)	$ (2,007,158)	$ 1,858,142
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Deferred income tax benefit	(275,063)	(510,405)	(1,050,612)
Depreciation and depletion	1,538,745	1,729,739	1,077,559
Amortization of intangible assets	35,916	77,374	10,940
Impairment of long-lived assets and leases and exploratory well costs	1,710,122	2,989,684	20,327
Impairment of goodwill	0	798,689	0
Unrealized loss on investment in Equitrans Midstream Corporation	336,993	72,366	0
Loss on debt extinguishment	0	0	12,641
Amortization, accretion and other	23,296	(33,039)	(25,934)
Share-based compensation expense	31,233	25,189	94,592
(Gain) loss on derivatives not designated as hedges	(616,634)	178,591	(390,021)
Cash settlements received (paid) on derivatives not designated as hedges	246,639	(225,279)	40,728
Net premiums received on derivative instruments	22,616	0	0
Changes in other assets and liabilities:
Accounts receivable	432,323	(439,062)	(8,979)
Accounts payable	(238,674)	457,113	(16,680)
Tax receivable	(167,281)	(117,188)	(12,285)
Other items, net	(6,832)	(20,358)	27,280
Net cash provided by operating activities	1,851,704	2,976,256	1,637,698
Cash flows from investing activities:
Capital expenditures	(1,602,454)	(2,999,037)	(1,559,051)
Cash paid for Rice Merger and other acquisitions (see Note 8), net of cash acquired	0	0	(2,379,229)
Capital expenditures for discontinued operations	0	(732,727)	(380,151)
Net sales of trading securities	0	0	283,758
Exploratory dry hole costs	0	0	(11,420)
Capital contributions to Mountain Valley Pipeline, LLC	0	(820,943)	(159,550)
Proceeds from sale of assets	0	583,381	3,573
Other investing activities	1,312	(9,778)	0
Net cash used in investing activities	(1,601,142)	(3,979,104)	(4,202,070)
Cash flows from financing activities:
Proceeds from borrowings on credit facility	2,978,750	8,637,500	2,063,000
Repayment of borrowings on credit facility	(3,484,750)	(8,953,500)	(1,076,500)
Proceeds from borrowings on term loan facility	1,000,000	0	0
Debt issuance costs and credit facility origination fees	(913)	(40,966)	(41,876)
Proceeds from issuance of debt	0	2,500,000	3,000,000
Repayments and retirements of debt	(704,661)	(8,376)	(2,000,000)
Premiums paid on debt extinguishment	0	0	(89,363)
Dividends paid	(30,655)	(31,375)	(20,827)
Proceeds and excess tax benefits from awards under employee compensation plans	0	1,946	244
Cash paid for taxes related to net settlement of share-based incentive awards	(7,224)	(22,647)	(72,116)
Repurchase and retirement of common stock	0	(538,876)	0
Repurchase of common stock	0	(27)	(30)
Distributions to noncontrolling interests	0	(380,651)	(236,123)
Contribution to Strike Force Midstream LLC by minority owner, net of distribution	0	0	6,738
Acquisition of 25% of Strike Force Midstream LLC	0	(175,000)	0
Net cash transferred at Separation and Distribution	0	(129,008)	0
Net cash (used in) provided by financing activities	(249,453)	859,020	1,533,147
Net change in cash and cash equivalents	1,109	(143,828)	(1,031,225)
Cash and cash equivalents at beginning of year	3,487	147,315	1,178,540
Cash and cash equivalents at end of year	$ 4,596	$ 3,487	$ 147,315