ACQUISITIONS AND DISPOSITIONS - Additional Information (Details) shares in Millions		3 Months Ended		12 Months Ended
	Apr. 01, 2021 USD ($) shares	Dec. 31, 2021 USD ($) vacation_ownership_unit	Mar. 31, 2021 USD ($) vacation_ownership_unit	Dec. 31, 2021 USD ($) vacation_ownership_unit	Dec. 31, 2020 USD ($) vacation_ownership_unit	Dec. 31, 2019 USD ($) vacation_ownership_unit resort
Business Acquisition [Line Items]
Purchase of vacation ownership units				$ 98,000,000	$ 61,000,000	$ 20,000,000
Write off the outstanding management fee receivables deemed uncollectible				7,000,000
(Losses) gains and other (expense) income, net				(51,000,000)	(26,000,000)	16,000,000
Note receivable					1,000,000
Dispositions, net				3,000,000	15,000,000	51,000,000
Impairment				$ 3,000,000	100,000,000	99,000,000
Land
Business Acquisition [Line Items]
(Losses) gains and other (expense) income, net					6,000,000
Dispositions, net					15,000,000
Joint Venture
Business Acquisition [Line Items]
(Losses) gains and other (expense) income, net					$ (5,000,000)
Strategic Change
Business Acquisition [Line Items]
Impairment						72,000,000
Strategic Change | Land
Business Acquisition [Line Items]
Impairment						9,000,000
Strategic Change | Land and Land Improvements
Business Acquisition [Line Items]
Impairment						$ 61,000,000
Number of resorts | resort						3
Strategic Change | Ancillary Business
Business Acquisition [Line Items]
Gains on sales of other real estate						$ 19,000,000
Impairment						2,000,000
Costa Rica
Business Acquisition [Line Items]
Number of vacation ownership units acquired | vacation_ownership_unit			24
Asset acquisition, consideration transferred			$ 14,000,000
Asset acquisition, recognized identifiable assets acquired, inventory			13,000,000
Asset acquisition, recognized identifiable assets acquired, property and equipment			$ 1,000,000
New York City
Business Acquisition [Line Items]
Number of vacation ownership units acquired | vacation_ownership_unit				120	57
Asset acquisition, consideration transferred				$ 98,000,000	$ 89,000,000
Asset acquisition, recognized identifiable assets acquired, property and equipment					67,000,000
Purchase of vacation ownership units					22,000,000	$ 20,000,000
Asset acquisition, recognized identifiable assets acquired, other assets					$ 22,000,000
San Francisco, California
Business Acquisition [Line Items]
Number of vacation ownership units acquired | vacation_ownership_unit		78	44		34	78
Asset acquisition, consideration transferred		$ 59,000,000	$ 34,000,000		$ 26,000,000	$ 58,000,000
Asset acquisition, recognized identifiable assets acquired, inventory		41,000,000	29,000,000	41,000,000	18,000,000	48,000,000
Asset acquisition, recognized identifiable assets acquired, property and equipment		18,000,000		18,000,000	3,000,000	10,000,000
Purchase of vacation ownership units					5,000,000
Asset acquisition, recognized identifiable assets acquired, other assets			$ 5,000,000		5,000,000
Reclassified of previous deposits associated with the project from other assets to inventory		$ 10,000,000		10,000,000
Cancun Mexico and Avon Colorado
Business Acquisition [Line Items]
Significant acquisitions and disposals consideration received and receivable						62,000,000
Significant acquisitions and disposals consideration receivable						$ 8,000,000
Welk
Business Acquisition [Line Items]
Business acquisition, value assigned	$ 405,000,000
Business acquisition, number of shares (in shares) | shares	1.4
Business combinations, pro forma, acquisition-related costs				$ 0	$ (19,000,000)
Welk | Common Stock
Business Acquisition [Line Items]
Business acquisition, number of shares (in shares) | shares	1.4