VACATION OWNERSHIP NOTES RECEIVABLE - Aging of Recorded Investment in Principal, Vacation Ownership Notes Receivable (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	$ 2,802	$ 2,813
Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	629	632
Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	2,173	2,181
Total past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	280	271
Total past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	185	172
Total past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	95	99
31 – 90 days past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	100	103
31 – 90 days past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	32	31
31 – 90 days past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	68	72
91 – 120 days past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	27	26
91 – 120 days past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	12	7
91 – 120 days past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	15	19
Greater than 120 days past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	153	142
Greater than 120 days past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	141	134
Greater than 120 days past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	12	8
Current
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	2,522	2,542
Current | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	444	460
Current | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	$ 2,078	$ 2,082