INVENTORY - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Inventory Disclosure [Abstract]
Real estate inventory, increase true up	$ 5	$ 11
Amount of completed vacation ownership units classified as property and equipment	349		$ 370
Inventory [Line Items]
Inventory deposits	9		$ 3
Other Assets
Inventory [Line Items]
Inventory deposits	5
Accounts Receivable
Inventory [Line Items]
Inventory deposits	$ 4