TIMESHARE FINANCING RECEIVABLES - Schedule of Change in Allowance for Financing Receivables Losses (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Provision for financing receivables losses	$ 211	$ 180
Originated
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	1,078	804
Initial allowance for financing receivables acquired during the period	0
Provision for financing receivables losses	217	167
Write-offs	(107)	(84)
Inventory recoveries	0	0
Upgrades	7	17
Allowance for financing receivable losses, ending balance	1,195	904
Acquired
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	155	268
Initial allowance for financing receivables acquired during the period	96
Provision for financing receivables losses	0	13
Write-offs	(39)	(132)
Inventory recoveries	14	57
Upgrades	(7)	(17)
Allowance for financing receivable losses, ending balance	$ 219	$ 189

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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+ Details