Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Inventory deposits	$ 7	$ 46
Deferred selling, marketing, general and administrative expenses	12
Prepaid expenses	13	18
Other	36	31
Other Assets	$ 68	$ 95