Revenue from Contracts with Customers - Schedule of Deferred Revenue, Cost of VOI Sales and Direct Selling Costs from Sales of VOIs Related to Project Under Construction (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Sales of VOIs, net	$ 360	$ 237
Sales of VOIs
Disaggregation Of Revenue [Line Items]
Sales of VOIs, net	87	34
Cost of VOI sales	30	12
Sales and marketing expense	$ 13	$ 5