Restricted Cash - Schedule of Restricted Cash (Details) - USD ($) $ in Millions		Jun. 30, 2020	Dec. 31, 2019
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash		$ 90	$ 85
Escrow deposits on VOI sales
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash		39	59
Reserves related to non-recourse debt
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	[1]	$ 51	$ 26

[1] Includes a $15 million cash deposit that will be released upon future pledging of qualified collateral. See Note 11: Debt & Non-recourse Debt for further discussion.