VACATION OWNERSHIP NOTES RECEIVABLE - Aging of Recorded Investment in Principal, Vacation Ownership Notes Receivable (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	$ 2,548	$ 2,447
Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	673	623
Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	1,875	1,824
Total past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	231	286
Total past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	168	224
Total past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	63	62
31 – 90 days past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	58	66
31 – 90 days past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	15	22
31 – 90 days past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	43	44
91 – 120 days past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	15	17
91 – 120 days past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	4	7
91 – 120 days past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	11	10
Greater than 120 days past due
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	158	203
Greater than 120 days past due | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	149	195
Greater than 120 days past due | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	9	8
Current
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	2,317	2,161
Current | Non-securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	505	399
Current | Securitized
Financing Receivable, Past Due [Line Items]
Vacation ownership notes receivable	$ 1,812	$ 1,762