TIMESHARE FINANCING RECEIVABLES - Schedule of Timeshare Financing Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Aug. 02, 2021
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, net	$ 1,821	$ 1,767
Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	1,983	1,759
Unamortized non-credit acquisition premium	0	0
Less: allowance for financing receivables losses	(473)	(404)	$ (374)	$ (280)
Timeshare financing receivables, net	1,510	1,355
Non-credit premium at acquisition date					$ 97
Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	539	709
Unamortized non-credit acquisition premium	30	41
Less: allowance for financing receivables losses	(258)	(338)	$ (388)	$ (482)
Timeshare financing receivables, net	311	412
Securitized | Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	837	788
Securitized | Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	202	262
Unsecuritized | Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	1,146	971
Unsecuritized | Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	$ 337	$ 447