BUSINESS SEGMENTS - Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Depreciation by Segment [Line Items]
Depreciation and amortization	$ 132	$ 146	$ 123
Operating Segments
Reconciliation of Depreciation by Segment [Line Items]
Depreciation and amortization	123	137	111
Operating Segments | Vacation Ownership
Reconciliation of Depreciation by Segment [Line Items]
Depreciation and amortization	92	89	79
Operating Segments | Exchange & Third-Party Management
Reconciliation of Depreciation by Segment [Line Items]
Depreciation and amortization	31	48	32
Corporate and other
Reconciliation of Depreciation by Segment [Line Items]
Depreciation and amortization	$ 9	$ 9	$ 12