TIMESHARE FINANCING RECEIVABLES - Schedule of Change in Allowance For Financing Receivables Losses (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Provision for financing receivables losses	$ 117	$ 103
Originated
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	404	280
Provision for financing receivables losses	115	101
Write-offs	(55)	(52)
Inventory recoveries	0	0
Upgrades	9	45
Allowance for financing receivable losses, ending balance	473	374
Acquired
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	338	482
Provision for financing receivables losses	2	0
Write-offs	(94)	(63)
Inventory recoveries	21	14
Upgrades	(9)	(45)
Allowance for financing receivable losses, ending balance	$ 258	$ 388