Property, Equipment, Land and Leasehold Improvements (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 4,150	$ 4,070
Less: accumulated depreciation	(1,023)	(929)
Property, equipment, land and leasehold improvements, net	3,127	3,141
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	319	319
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment	40	40
Leasehold and land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	785	770
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	2,821	2,783
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment	46	45
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 139	$ 113