VARIABLE INTEREST ENTITIES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Accounts receivable, including VIE, after allowance for credit loss	$ 279	$ 276
Notes receivable (less than)		1
Waikiki Hawaii
Variable Interest Entity [Line Items]
Purchase commitment obligation due, 2022	104
Waikiki Hawaii | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Accounts receivable, including VIE, after allowance for credit loss	1
Notes receivable (less than)	1
Maximum loss exposure, amount	1
Vacation Ownership Notes Receivable Securitizations
Variable Interest Entity [Line Items]
Voluntary repurchase of defaulted notes receivable	99	95	$ 54
Voluntary repurchase of other non-defaulted notes receivable	$ 200	$ 383	$ 356