VACATION OWNERSHIP NOTES RECEIVABLE - Notes Receivable Reserves (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	$ 29
Write-offs	(7)
Recoveries	4
Defaulted vacation ownership notes receivable repurchase activity	0
(Decrease) increase in vacation ownership notes receivable reserve	0
Ending balance	26
Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	362
Securitizations	0
Write-offs	(29)
Defaulted vacation ownership notes receivable repurchase activity	0
(Decrease) increase in vacation ownership notes receivable reserve	38
Ending balance	371
Non-securitized | Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	11
Write-offs	(7)
Recoveries	4
Defaulted vacation ownership notes receivable repurchase activity	5
(Decrease) increase in vacation ownership notes receivable reserve	(4)
Ending balance	9
Non-securitized | Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	149
Securitizations	(23)
Write-offs	(29)
Defaulted vacation ownership notes receivable repurchase activity	23
(Decrease) increase in vacation ownership notes receivable reserve	29
Ending balance	149
Securitized | Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	18
Write-offs	0
Recoveries	0
Defaulted vacation ownership notes receivable repurchase activity	(5)
(Decrease) increase in vacation ownership notes receivable reserve	4
Ending balance	17
Securitized | Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	213
Securitizations	23
Write-offs	0
Defaulted vacation ownership notes receivable repurchase activity	(23)
(Decrease) increase in vacation ownership notes receivable reserve	9
Ending balance	$ 222