TIMESHARE FINANCING RECEIVABLES - Past Due Financing Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	$ 1,363	$ 1,244
Legacy-HGV | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,253	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	7	5
Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	81	71
Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,159	1,224
Legacy-Diamond | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	755	815
Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	35	32
Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	14	12
Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	355	365
Securitized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	647	647
Securitized | Legacy-HGV | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	632	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	4	3
Securitized | Legacy-HGV | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	2	4
Securitized | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	392	403
Securitized | Legacy-Diamond | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	363	373
Securitized | Legacy-Diamond | 31 - 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	15	13
Securitized | Legacy-Diamond | 91 - 120 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	6	4
Securitized | Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	8	13
Unsecuritized | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	716	597
Unsecuritized | Legacy-HGV | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	621	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	79	67
Unsecuritized | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	767	821
Unsecuritized | Legacy-Diamond | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	392	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	8	8
Unsecuritized | Legacy-Diamond | 121 days and greater past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	$ 347	$ 352