VACATION OWNERSHIP NOTES RECEIVABLE - Notes Receivable Reserves (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts
Beginning balance	$ 29	$ 70	$ 60
Securitizations	0		0
Clean-up call	0	0	0
Write-offs	(28)	(57)	(49)
Recoveries	17	35	27
Defaulted vacation ownership notes receivable repurchase activity	0	0	0
Initial allowance for credit losses for Legacy-Welk vacation ownership notes receivable			32
(Decrease) increase in vacation ownership notes receivable reserve	(3)	(19)	0
Ending balance	15	29	70
Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts
Beginning balance	362	333	310
Securitizations	0	0	0
Clean-up call	0	0	0
Write-offs	(135)	(136)	(79)
Defaulted vacation ownership notes receivable repurchase activity	0	0	0
(Decrease) increase in vacation ownership notes receivable reserve	228	165	102
Ending balance	455	362	333
Non-securitized | Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts
Beginning balance	11	47	39
Securitizations	(2)		(9)
Clean-up call	2	1	3
Write-offs	(28)	(57)	(49)
Recoveries	17	35	27
Defaulted vacation ownership notes receivable repurchase activity	18	25	32
Initial allowance for credit losses for Legacy-Welk vacation ownership notes receivable			11
(Decrease) increase in vacation ownership notes receivable reserve	(12)	(40)	(7)
Ending balance	6	11	47
Non-securitized | Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts
Beginning balance	149	193	193
Securitizations	(211)	(132)	(76)
Clean-up call	99	37	12
Write-offs	(135)	(136)	(79)
Defaulted vacation ownership notes receivable repurchase activity	105	69	65
(Decrease) increase in vacation ownership notes receivable reserve	188	118	78
Ending balance	195	149	193
Securitized | Acquired
Time Sharing Transactions, Allowance for Uncollectible Accounts
Beginning balance	18	23	21
Securitizations	2		9
Clean-up call	(2)	(1)	(3)
Write-offs	0	0	0
Recoveries	0	0	0
Defaulted vacation ownership notes receivable repurchase activity	(18)	(25)	(32)
Initial allowance for credit losses for Legacy-Welk vacation ownership notes receivable			21
(Decrease) increase in vacation ownership notes receivable reserve	9	21	7
Ending balance	9	18	23
Securitized | Originated
Time Sharing Transactions, Allowance for Uncollectible Accounts
Beginning balance	213	140	117
Securitizations	211	132	76
Clean-up call	(99)	(37)	(12)
Write-offs	0	0	0
Defaulted vacation ownership notes receivable repurchase activity	(105)	(69)	(65)
(Decrease) increase in vacation ownership notes receivable reserve	40	47	24
Ending balance	$ 260	$ 213	$ 140