VACATION OWNERSHIP NOTES RECEIVABLE - Schedule of Interest Income Associated With Vacation Ownership Notes Receivable (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total interest income associated with vacation ownership notes receivable | $ 89 | $ 86 | $ 179 | $ 172 |
| Interest income - securitized vacation ownership notes receivable | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total interest income associated with vacation ownership notes receivable | 79 | 73 | 157 | 147 |
| Interest income - non-securitized vacation ownership notes receivable | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Total interest income associated with vacation ownership notes receivable | $ 10 | $ 13 | $ 22 | $ 25 |