VACATION OWNERSHIP NOTES RECEIVABLE - Notes Receivable Reserves (Details) - Originated $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	$ 455
Increase (decrease) in vacation ownership notes receivable reserve	42
Securitizations	0
Clean-up call	0
Write-offs	(45)
Defaulted vacation ownership notes receivable repurchase activity	0
Ending balance	452
Non-securitized
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	195
Increase (decrease) in vacation ownership notes receivable reserve	47
Securitizations	(63)
Clean-up call	34
Write-offs	(45)
Defaulted vacation ownership notes receivable repurchase activity	33
Ending balance	201
Securitized
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	260
Increase (decrease) in vacation ownership notes receivable reserve	(5)
Securitizations	63
Clean-up call	(34)
Write-offs	0
Defaulted vacation ownership notes receivable repurchase activity	(33)
Ending balance	$ 251