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ACQUISITIONS AND DISPOSITIONS - Dispositions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			(Losses) gains and other (expense) income, net
Reclassification of foreign currency translation adjustments realized upon disposition of entities	$ 0	$ 0	$ 10
VRI Americas \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from disposals			56
Restricted cash			12
Assets			51
Goodwill from sale			25
Intangible assets			20
Gain on disposal			17
Vacation Ownership \| Discontinued Operations, Disposed of by Sale \| Puerto Vallarta, Mexico
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from disposals			38
Restricted cash			3
Gain on disposal			33
Net assets excluding cumulative translation adjustments			18
Reclassification of foreign currency translation adjustments realized upon disposition of entities			$ 10