CONTINGENCIES AND COMMITMENTS (Details) $ in Millions	1 Months Ended
Aug. 06, 2026 USD ($)	Jun. 30, 2026 USD ($) vacation_ownership_unit
Commitments and Contingencies Disclosure [Line Items]
Surety bonds issued		$ 140
Guarantor obligations, maximum exposure, remainder of year		$ 13
Exchange & Third-Party Management
Commitments and Contingencies Disclosure [Line Items]
Guarantor obligations, ownership percentage		95.00%
Revolving corporate credit facility, net
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding		$ 5
Revolving corporate credit facility, net \| Securitization Transaction
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding		4
Letter of credit
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding		34
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
Thailand \| 60 Unit Transaction
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment		$ 37
Purchase commitment obligation due, 2027		4
Purchase commitment obligation due, 2028		$ 33
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit		60
Puerto Vallarta, Mexico \| 64 Unit Transaction
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment obligation due, 2028		$ 46
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit		64
INDONESIA \| 32 Unit Transaction
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment		$ 11
Bali, Indonesia \| 32 Unit Transaction
Commitments and Contingencies Disclosure [Line Items]
Number of vacation ownership units, acquisition pending \| vacation_ownership_unit		32
Bali, Indonesia \| 32 Unit Transaction \| Subsequent event
Commitments and Contingencies Disclosure [Line Items]
Asset acquisition, consideration transferred	$ 11
Information technology hardware and software
Commitments and Contingencies Disclosure [Line Items]
Purchase commitment		$ 153
Purchase commitment obligation due, remainder of 2026		53
Purchase commitment obligation due, 2027		45
Purchase commitment obligation due, 2028		27
Purchase commitment obligation due, 2029		11
Purchase commitment obligation due, 2030		11
Purchase commitment obligation due, thereafter		$ 6

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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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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Commitments and Contingencies Disclosure [Line Items]

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Guarantor Obligations, Maximum Exposure, Undiscounted, Remainder Of Fiscal Year

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Number Of Vacation Ownership Units, Acquisition Pending

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Purchase Obligation Due, After Year Four

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Surety Bonds issued.

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