TIMESHARE FINANCING RECEIVABLES - Schedule of Timeshare Financing Receivables (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Aug. 02, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, net	$ 2,113	$ 1,767
Diamond Acquisition
Accounts Notes And Loans Receivable [Line Items]
Unamortized non-credit acquisition preminum				$ 97
Timeshare financing receivables, net				$ 825
Grand Islander
Accounts Notes And Loans Receivable [Line Items]
Unamortized non-credit acquisition preminum	6	6
Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	2,096	1,759
Unamortized non-credit acquisition preminum	0	0
Less: allowance for financing receivables losses	(500)	(404)	$ (280)		$ (211)
Timeshare financing receivables, net	1,596	1,355
Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	765	709
Unamortized non-credit acquisition preminum	32	41
Less: allowance for financing receivables losses	(279)	(338)	$ (482)		$ 0
Timeshare financing receivables, net	518	412
Acquired | Diamond Acquisition
Accounts Notes And Loans Receivable [Line Items]
Unamortized non-credit acquisition preminum	26	41
Securitized | Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	770	788
Securitized | Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	214	262
Unsecuritized | Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	1,326	971
Unsecuritized | Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	$ 551	$ 447