Geographic and Business Segment Information - Revenues and Property and Equipment, Net for Each of Geographical Areas (parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and equipment, net classified as held for sale			$ 62
Property and Equipment, net	$ 54	$ 86	240
United States [Member] | Laundry Operation [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Property and Equipment, net	$ 2	2	5
Revenue		$ 2	$ 11