Summary of Significant Accounting Policies (Schedule of Other Property Plant and Equipment) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	$ 1,584	$ 1,632
Accumulated depreciation property, plant and equipment, other assets	463	382
Land and buildings (a)
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	849	877
Sand reserves (e)
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	15	16
Water infrastructure
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	414	404
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	34	35
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	71	120
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	27	28
Construction in Progress and Capitalized Interest [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	$ 174	$ 152