Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Inventory deposits	$ 16
Deferred selling, marketing, general and administrative expenses	26	$ 3
Prepaid expenses	46	18
Other	23	23
Other Assets	$ 111	$ 44