Timeshare Financing Receivables - Past Due Financing Receivables (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 1,057	$ 1,048
Financing receivable, past due and current	1,152	1,185
Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	12	20
Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	4	8
Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	79	109
Legacy Diamond [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	881
Financing receivable, past due and current	1,283
Legacy Diamond [Member] | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	33
Legacy Diamond [Member] | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	11
Legacy Diamond [Member] | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	358
Securitized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	569	783
Financing receivable, past due and current	579	805
Securitized | Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6	11
Securitized | Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2	5
Securitized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2	6
Securitized | Legacy Diamond [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	496
Financing receivable, past due and current	531
Securitized | Legacy Diamond [Member] | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	15
Securitized | Legacy Diamond [Member] | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6
Securitized | Legacy Diamond [Member] | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	14
Unsecuritized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	488	265
Financing receivable, past due and current	573	380
Unsecuritized | Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	6	9
Unsecuritized | Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	2	3
Unsecuritized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	77	$ 103
Unsecuritized | Legacy Diamond [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	385
Financing receivable, past due and current	752
Unsecuritized | Legacy Diamond [Member] | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	18
Unsecuritized | Legacy Diamond [Member] | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	5
Unsecuritized | Legacy Diamond [Member] | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, past due	$ 344