Rice Midstream Partners, LP (Details) - USD ($)	3 Months Ended
	Dec. 31, 2017	Nov. 13, 2017
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Cash distribution declared (in dollars per share)	$ 0.2917
Cash distributions declared	$ 11,400,000
Cash distribution declared, limited partner	8,400,000
Cash distributions declared, general partner	3,000,000
Revolving Credit Facility
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Maximum borrowing capacity		$ 2,500,000,000.0
RMP $850 Million Facility | Revolving Credit Facility
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Maximum borrowing capacity	$ 850,000,000.0