Statements of Condensed Consolidated Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 349,199	$ 203,399
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	54,577	63,252
Depreciation, depletion, and amortization	309,330	317,693
Gain on sale / exchange of assets	(37,749)
Gain on dispositions	(3,598)
Provision for losses on accounts receivable	919	2,246
Other income	(5,130)	(4,441)
Stock-based compensation expense	20,810	27,480
Loss recognized in operating revenues for hedging ineffectiveness	21,273	7,954
Loss (gain) on derivatives not designated as hedges	17,879	(1,250)
Cash settlements on derivatives not designated as hedges	(10,836)	372
Lease impairment	6,519	8,133
Changes in other assets and liabilities:
Dividend from Nora Gathering, LLC	9,463	4,500
Excess tax benefits on stock-based compensation	(28,497)
Accounts receivable and unbilled revenues	(443)	(11,093)
Inventory	6,267	23,952
Accounts payable	50,952	(18,005)
Other items, net	33,712	(27,232)
Net cash provided by operating activities	794,647	596,960
Cash flows from investing activities:
Capital expenditures from continuing operations	(1,023,747)	(777,990)
Capital expenditures associated with Range asset exchange	(157,256)
Capital expenditures from discontinued operations		(15,163)
Restricted cash, net	(342,744)
Proceeds from sale of assets	7,444
Net cash used in investing activities	(1,516,303)	(793,153)
Cash flows from financing activities:
Proceeds from the issuance of common units of EQT Midstream Partners, LP, net of issuance costs	902,451
Increase in short-term loans	450,000	185,500
Decrease in short-term loans	(120,000)	(130,500)
Dividends paid	(9,101)	(9,038)
Distributions to noncontrolling interests	(25,674)	(10,350)
Repayments and retirements of long-term debt	(3,169)	(20,161)
Proceeds and tax benefits from exercises under employee compensation plans	42,042	15,387
Cash paid for taxes related to net settlement of share-based payment awards	(48,826)
Revolving credit facility origination fees	(5,075)
Repurchase and retirement of common stock	(32,368)
Net cash provided by financing activities	1,150,280	30,838
Net change in cash and cash equivalents	428,624	(165,355)
Cash and cash equivalents at beginning of period	845,641	182,055
Cash and cash equivalents at end of period	1,274,265	16,700
Cash paid during the period for:
Interest, net of amount capitalized	62,519	75,281
Income taxes, net	$ 89,050	$ 25,061