DEBT AND NON-RECOURSE DEBT - Schedule of Outstanding Borrowings (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Aug. 31, 2023
Debt Instrument [Line Items]
Total non-recourse debt, net	$ 2,730	$ 2,651
Debt instrument, average interest rate	6.666%	6.143%
Debt issuance discounts	$ 6	$ 7
Revolving Credit Facility
Debt Instrument [Line Items]
Unamortized deferred financing costs	3	4
Revolver with a rate of 7.320%, due 2026 | Revolving Credit Facility
Debt Instrument [Line Items]
Total	118	40
5.72% Timeshare Facility
Debt Instrument [Line Items]
Total			$ 187
Debt instrument, stated interest rate (as a percent)			5.72%
6.11% Timeshare Facility
Debt Instrument [Line Items]
Total			$ 79
Debt instrument, stated interest rate (as a percent)			6.11%
6.94% Timeshare Facility
Debt Instrument [Line Items]
Total			$ 27
Debt instrument, stated interest rate (as a percent)			6.94%
Line of Credit
Debt Instrument [Line Items]
Unamortized deferred financing costs	23	26
Line of Credit | Term loan with a rate of 8.431%, due 2028
Debt Instrument [Line Items]
Total	$ 1,274	1,284
Debt instrument, stated interest rate (as a percent)	8.431%
Line of Credit | Revolver with a rate of 7.320%, due 2026
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)	7.32%
Senior Notes
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 17	19
Senior Notes | Senior notes with a rate of 5.000%, due 2029
Debt Instrument [Line Items]
Total	$ 850	850
Debt instrument, stated interest rate (as a percent)	5.00%
Senior Notes | Senior notes with a rate of 4.875%, due 2031
Debt Instrument [Line Items]
Total	$ 500	500
Debt instrument, stated interest rate (as a percent)	4.875%
Senior Notes | Other debt
Debt Instrument [Line Items]
Total	$ 34	29
Senior Notes | Timeshare Facility with an average rate of 0.000%, due 2025
Debt Instrument [Line Items]
Unamortized deferred financing costs	3	4
Senior Notes and Other Debt
Debt Instrument [Line Items]
Total	2,776	2,703
Less: unamortized deferred financing costs and discounts	(46)	(52)
Total non-recourse debt, net	2,730	2,651
Secured Debt
Debt Instrument [Line Items]
Total	1,051	1,113
Less: unamortized deferred financing costs and discounts	(13)	(11)
Total non-recourse debt, net	$ 1,038	$ 1,102
Debt instrument, average interest rate	4.304%	3.539%
Secured Debt | Timeshare Facility with an average rate of 0.000%, due 2025
Debt Instrument [Line Items]
Total	$ 0	$ 98
Debt instrument, average interest rate	6.32%
Secured Debt | HGV Securitized Debt with a weighted average rate of 2.711%, due 2028
Debt Instrument [Line Items]
Total	$ 27	42
Debt instrument, average interest rate	2.711%
Secured Debt | HGV Securitized Debt with a weighted average rate of 3.602%, due 2032
Debt Instrument [Line Items]
Total	$ 72	98
Debt instrument, average interest rate	3.602%
Secured Debt | HGV Securitized Debt with a weighted average rate of 2.431%, due 2033
Debt Instrument [Line Items]
Total	$ 76	101
Debt instrument, average interest rate	2.431%
Secured Debt | HGV Securitized Debt with a weighted average rate of 4.304%, due 2034
Debt Instrument [Line Items]
Total	$ 128	168
Debt instrument, average interest rate	4.304%
Secured Debt | HGV Securitized Debt with a weighted average rate of 4.826%, due 2037
Debt Instrument [Line Items]
Total	$ 206	251
Debt instrument, average interest rate	4.826%
Secured Debt | HGV Securitized Debt with a weighted average rate of 5.937%, due 2038
Debt Instrument [Line Items]
Total	$ 284	0
Debt instrument, average interest rate	5.937%
Secured Debt | HGV Securitized Debt with a weighted average rate of 3.658%, due 2039
Debt Instrument [Line Items]
Total	$ 103	134
Debt instrument, average interest rate	3.658%
Secured Debt | Diamond Resorts Owner Trust 2019 with a weighted average rate of 3.255%, due 2032
Debt Instrument [Line Items]
Total	$ 59	87
Debt instrument, average interest rate	3.255%
Secured Debt | Diamond Resorts Owner Trust 2021 with a weighted average rate of 2.160%, due 2033
Debt Instrument [Line Items]
Total	$ 96	$ 134
Debt instrument, average interest rate	2.16%