VACATION OWNERSHIP NOTES RECEIVABLE - Recorded Investment in Non-accrual Notes Receivable that are Ninety Days or More Past Due (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Legacy MVW
Financing Receivable, Past Due
Investment in notes receivable on non-accrual status	$ 96	$ 114
Legacy MVW | Non-Securitized
Financing Receivable, Past Due
Investment in notes receivable on non-accrual status	88	100
Legacy MVW | Securitized
Financing Receivable, Past Due
Investment in notes receivable on non-accrual status	8	14
Legacy-ILG and Legacy-Welk
Financing Receivable, Past Due
Investment in notes receivable on non-accrual status	124	121
Legacy-ILG and Legacy-Welk | Non-Securitized
Financing Receivable, Past Due
Investment in notes receivable on non-accrual status	114	109
Legacy-ILG and Legacy-Welk | Securitized
Financing Receivable, Past Due
Investment in notes receivable on non-accrual status	$ 10	$ 12