Subsequent Events (Additional Information) (Details) - USD ($) $ in Millions		Jan. 01, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Purchase of timeshare units			$ 1,219	$ 515
Principal amount outstanding	[1]		$ 2,974	$ 1,164
Subsequent Event | Purchase and Sales Agreement
Subsequent Event [Line Items]
Purchase of timeshare units		$ 133
Subsequent Event | Purchase and Sales Agreement | Conduit Facility Due In 2023
Subsequent Event [Line Items]
Principal amount outstanding		$ 125
Conduit facility due date		2023
Subsequent Event | Purchase and Sales Agreement | Conduit Facility Due In 2024
Subsequent Event [Line Items]
Principal amount outstanding		$ 8
Conduit facility due date		2024

[1] As of December 31, 2021 and 2020, weighted-average interest rates were 4.052% and 3.357% , respectively.