VACATION OWNERSHIP NOTES RECEIVABLE - Notes Receivable Reserves (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	$ 70
Write-offs	(11)
Recoveries	7
Defaulted vacation ownership notes receivable repurchase activity	0
(Decrease) increase in vacation ownership notes receivable reserve	0
Ending balance	66
Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	333
Securitizations	0
Write-offs	(19)
Defaulted vacation ownership notes receivable repurchase activity	0
(Decrease) increase in vacation ownership notes receivable reserve	29
Ending balance	343
Non-Securitized | Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	47
Write-offs	(11)
Recoveries	7
Defaulted vacation ownership notes receivable repurchase activity	8
(Decrease) increase in vacation ownership notes receivable reserve	(5)
Ending balance	46
Non-Securitized | Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	193
Securitizations	(21)
Write-offs	(19)
Defaulted vacation ownership notes receivable repurchase activity	15
(Decrease) increase in vacation ownership notes receivable reserve	25
Ending balance	193
Securitized | Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	23
Write-offs	0
Recoveries	0
Defaulted vacation ownership notes receivable repurchase activity	(8)
(Decrease) increase in vacation ownership notes receivable reserve	5
Ending balance	20
Securitized | Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	140
Securitizations	21
Write-offs	0
Defaulted vacation ownership notes receivable repurchase activity	(15)
(Decrease) increase in vacation ownership notes receivable reserve	4
Ending balance	$ 150