TIMESHARE FINANCING RECEIVABLES - Past Due Financing Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	$ 1,303	$ 1,244
Legacy-HGV | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,197	1,151
Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	22	17
Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	6	5
Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	78	71
Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,201	1,224
Legacy-Diamond | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	754	815
Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	31	32
Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	13	12
Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	403	365
Securitized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	554	647
Securitized | Legacy-HGV | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	538	631
Securitized | Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	9	9
Securitized | Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	3	3
Securitized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	4	4
Securitized | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	330	403
Securitized | Legacy-Diamond | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	304	373
Securitized | Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	11	13
Securitized | Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	4	4
Securitized | Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	11	13
Unsecuritized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	749	597
Unsecuritized | Legacy-HGV | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	659	520
Unsecuritized | Legacy-HGV | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	13	8
Unsecuritized | Legacy-HGV | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	3	2
Unsecuritized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	74	67
Unsecuritized | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	871	821
Unsecuritized | Legacy-Diamond | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	450	442
Unsecuritized | Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	20	19
Unsecuritized | Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	9	8
Unsecuritized | Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	$ 392	$ 352