CONTINGENCIES AND COMMITMENTS (Details) $ in Millions	Dec. 31, 2021 USD ($) vacation_ownership_unit
Commitments and Contingencies Disclosure [Line Items]
Surety bonds issued	$ 118
Guarantor obligations, maximum exposure. due in first year	17
Property Owners Associations
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment obligation due, 2022	66
Revolving Credit Facility
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	2
Letter of Credit
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	2
Bali, Indonesia Resort
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment obligation due, 2022	11
Purchase commitment obligation due, 2023	7
Purchase commitment obligation due, 2024	$ 4
Number of vacation ownership units expected to be acquired | vacation_ownership_unit	88
Exchange & Third-Party Management
Commitments and Contingencies Disclosure [Line Items]
Guarantor obligations, maximum exposure	$ 10
Guarantor obligations, maximum exposure. due in first year	3
Guarantor obligations, maximum exposure, due in second year	2
Guarantor obligations, maximum exposure, due in third year	2
Guarantor obligations, maximum exposure, due in fourth year	1
Guarantor obligations, maximum exposure, due in five year	1
Guarantor obligations, maximum exposure, due after fifth year	$ 1
Guarantor obligations, ownership percentage	80.00%
Information technology hardware and software
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment	$ 99
Purchase commitment obligation due, 2022	52
Purchase commitment obligation due, 2023	28
Purchase commitment obligation due, 2024	11
Purchase commitment obligation due, 2025	6
Purchase commitment obligation due, 2026 and therefore	$ 2