INTANGIBLE ASSETS - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Intangible Assets [Line Items]
Depreciation and amortization of intangibles	$ 132,000,000	$ 146,000,000	$ 123,000,000
Trade names
Intangible Assets [Line Items]
Impairment charges for other intangible assets	0	0
Exchange & Third-Party Management
Intangible Assets [Line Items]
Impairment charges for other intangible assets			18,000,000
ILG, Inc And Welk
Intangible Assets [Line Items]
Depreciation and amortization of intangibles	61,000,000	$ 61,000,000	$ 57,000,000
Expected amortization expense, 2023	61,000,000
Expected amortization expense, 2024	61,000,000
Expected amortization expense, 2025	61,000,000
Expected amortization expense, 2026	61,000,000
Expected amortization expense, 2027	$ 61,000,000
Minimum | ILG, Inc And Welk
Intangible Assets [Line Items]
Estimated useful life	15 years
Maximum | ILG, Inc And Welk
Intangible Assets [Line Items]
Estimated useful life	20 years