Vacation Ownership Contract Receivables (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Dec. 31, 2023 |
|
| Vacation Ownership Contract Receivables [Abstract] | |||||
| Interest income on securitized receivables | $ 79 | $ 78 | $ 159 | $ 154 | |
| Originated vacation ownership contract receivables | 728 | 674 | |||
| Vacation ownership contract principal collections | $ 493 | $ 458 | |||
| Weighted average interest rate | 14.70% | 14.70% | 14.70% | ||
| Financing Receivable, Threshold Period Past Due | 90 days | 90 days | |||
| Financing Receivable, Threshold Period Past Due, Writeoff | 120 days | 120 days | |||