Timeshare Financing Receivables - Past Due Financing Receivables (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 844	$ 881
Financing receivable, past due and current	1,279	1,283
Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	39	33
Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	14	11
Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	382	358
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,052	1,057
Financing receivable, past due and current	1,137	1,152
Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	15	12
Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	5	4
Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	65	79
Securitized | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	397	496
Financing receivable, past due and current	426	531
Securitized | Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	14	15
Securitized | Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	5	6
Securitized | Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	10	14
Securitized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	516	569
Financing receivable, past due and current	526	579
Securitized | Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6	6
Securitized | Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2	2
Securitized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2	2
Unsecuritized | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	447	385
Financing receivable, past due and current	853	752
Unsecuritized | Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	25	18
Unsecuritized | Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	9	5
Unsecuritized | Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	372	344
Unsecuritized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	536	488
Financing receivable, past due and current	611	573
Unsecuritized | Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	9	6
Unsecuritized | Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	3	2
Unsecuritized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 63	$ 77