Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Inventory deposits	$ 7	$ 7
Deferred selling, marketing, general and administrative expenses	25	12
Prepaid expenses	12	13
Cloud computing arrangements	10	12
Other	33	36
Other Assets	$ 87	$ 80