TIMESHARE FINANCING RECEIVABLES - Financing Receivables by Origination Year and Average FICO Score (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	$ 1,201		$ 1,224
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,303		1,244
Total	27
Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	626		709
Total	28	$ 60
Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	626		709
Total	28
Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,878		1,759
Total	33	$ 37
Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	575		515
Total	6
2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	299
2023	0
2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	0
2023	0
2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	156
2023	0
2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	415
2022	3
2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	0
2022	0
2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	311
2022	3
2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	186
2021	6
2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	106
2021	4
2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	108
2021	3
2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	72
2020	3
2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	130
2020	5
2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	0
2020	0
Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	125
2019	6
Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	157
2019	8
Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	0
2019	0
Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	206
Prior	9
Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	233
Prior	11
Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	0
Prior	0
700+ | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	800
700+ | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	322		373
700+ | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	349		321
700+ | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	194
700+ | 2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	0
700+ | 2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	99
700+ | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	260
700+ | 2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	0
700+ | 2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	188
700+ | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	115
700+ | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	55
700+ | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	62
700+ | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	40
700+ | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	69
700+ | 2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	0
700+ | Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	73
700+ | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	85
700+ | Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	0
700+ | Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	118
700+ | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	113
700+ | Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	0
600-699 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	288
600-699 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	238		265
600-699 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	191		163
600-699 | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	60
600-699 | 2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	0
600-699 | 2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	49
600-699 | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	96
600-699 | 2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	0
600-699 | 2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	105
600-699 | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	43
600-699 | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	40
600-699 | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	37
600-699 | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	15
600-699 | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	45
600-699 | 2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	0
600-699 | Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	27
600-699 | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	60
600-699 | Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	0
600-699 | Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	47
600-699 | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	93
600-699 | Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	0
Less than 600 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	36
Less than 600 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	52		55
Less than 600 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	29		26
Less than 600 | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	7
Less than 600 | 2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	0
Less than 600 | 2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	6
Less than 600 | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	12
Less than 600 | 2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	0
Less than 600 | 2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	15
Less than 600 | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	6
Less than 600 | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	10
Less than 600 | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	8
Less than 600 | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	2
Less than 600 | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	12
Less than 600 | 2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	0
Less than 600 | Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	3
Less than 600 | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	10
Less than 600 | Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	0
Less than 600 | Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	6
Less than 600 | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	20
Less than 600 | Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	0
No score | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	179
No score | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	14		16
No score | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	6		$ 5
No score | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	38
No score | 2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	0
No score | 2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	2
No score | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	47
No score | 2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	0
No score | 2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	3
No score | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	22
No score | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	1
No score | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	1
No score | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	15
No score | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	4
No score | 2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	0
No score | Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	22
No score | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	2
No score | Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	0
No score | Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	35
No score | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	7
No score | Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	$ 0