Rice Merger and Other Acquisitions - Additional Information (Details) $ in Thousands		12 Months Ended
	Nov. 13, 2017 USD ($) a shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) a	Nov. 30, 2018 USD ($)
Business Acquisition [Line Items]
Payments to acquire businesses, net		$ 0	$ 0	$ 2,379,229
Unamortized premium		$ 0	0	89,363
Goodwill					$ 530,800
Rice Merger Agreement
Business Acquisition [Line Items]
Consideration transferred	$ 7,800,000
Number of shares issued in business combination (in shares) | shares	91,000,000
Payments to acquire businesses, net	$ 1,600,000
Long-term debt assumed	3,900,000
Interest expense	1,700
Payment for debt extinguishment	1,400,000
Assets acquired	9,700,000
Goodwill	$ 2,000,000
Disposal group, goodwill			1,200,000
Goodwill, expected tax deductible amount			387,100
Rice Merger Agreement | Continuing Operations
Business Acquisition [Line Items]
Goodwill accumulated impairment			500,000
Merger related expenses			25,400	152,200
Amortization of debt issuance costs				5,100
Rice Merger Agreement | Discontinued Operations
Business Acquisition [Line Items]
Goodwill accumulated impairment			300,000
Merger related expenses			$ 13,500	85,100
Amortization of debt issuance costs				2,900
Rice Merger Agreement | Marcellus Acres
Business Acquisition [Line Items]
Number of acres acquired (in acres) | a	205,000
Rice Merger Agreement | Utica Acres
Business Acquisition [Line Items]
Number of acres acquired (in acres) | a	65,000
Rice Merger Agreement | Rice Energy Operating LLC's Revolving Credit Facility
Business Acquisition [Line Items]
Extinguishment of debt, amount	$ 508,500
Rice Merger Agreement | Rice 2022 Notes
Business Acquisition [Line Items]
Unamortized premium	63,800
Rice Merger Agreement | Rice 2023 Notes
Business Acquisition [Line Items]
Interest expense	13,400
Rice Merger Agreement | EIG Global Energy Partners
Business Acquisition [Line Items]
Payment for acquisition	$ 555,500
2017 Acquisitions
Business Acquisition [Line Items]
Payments to acquire businesses, net				$ 740,100
Number of acres acquired (in acres) | a				158,500
PP&E acquired				$ 750,100
Current liabilities assumed				5,300
Noncurrent liabilities assumed				4,700
Payments to acquire land				78,900
Property, plant, and equipment adjustment				$ 14,300