CONTINGENCIES AND COMMITMENTS (Details) $ in Millions	Jun. 30, 2025 USD ($) vacation_ownership_unit transaction
Commitments and Contingencies Disclosure [Line Items]
Surety bonds issued	$ 134
Guarantor obligations, maximum exposure, remainder of year	13
Bali, Indonesia
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment	$ 28
Number of transactions \| transaction	2
Nashville, Tennessee
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment obligation due, 2027	$ 122
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit	168
32 Unit Transaction \| Bali, Indonesia
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment obligation due, 2026	$ 10
Purchase commitment obligation due, 2027	$ 1
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit	32
26 Unit Transaction \| Bali, Indonesia
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment obligation due, 2026	$ 16
Purchase commitment obligation due, 2027	$ 1
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit	26
60 Unit Transaction \| Thailand
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment	$ 37
Purchase commitment obligation due, remainder of 2025	4
Purchase commitment obligation due, 2026	31
Purchase commitment obligation due, 2027	$ 2
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit	60
Revolving corporate credit facility, net
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	$ 26
Revolving corporate credit facility, net \| Securitization Transaction
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	25
Letter of credit
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	$ 10
Exchange & Third-Party Management
Commitments and Contingencies Disclosure [Line Items]
Guarantor obligations, ownership percentage	95.00%
Information technology hardware and software
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment	$ 101
Purchase commitment obligation due, remainder of 2025	42
Purchase commitment obligation due, 2026	39
Purchase commitment obligation due, 2027	18
Purchase commitment obligation due, 2028	$ 2

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Surety Bonds issued.

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