Timeshare Financing Receivables - Financing Receivables by Origination Year and Average FICO Score (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	$ 1,204		$ 1,224
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,256		1,244
Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	663		709
Total	16	$ 6
Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	663		709
Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	1,797		1,759
Total	17	$ 25
Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	541		515
2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	144
2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	0
2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	84
2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	461
2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	0
2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	342
2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	206
2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	113
2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	115
2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	79
2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	137
2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	0
Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	137
Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	165
Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	0
Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	229
Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	248
Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	0
700+ | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	770
700+ | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	345		373
700+ | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	332		321
700+ | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	96
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	55
700+ | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	292
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	210
700+ | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	126
700+ | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	61
700+ | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	67
700+ | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	45
700+ | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	74
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	80
700+ | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	89
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	131
700+ | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	121
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	274
600-699 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	250		265
600-699 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	177		163
600-699 | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	27
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	25
600-699 | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	103
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	113
600-699 | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	47
600-699 | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	42
600-699 | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	39
600-699 | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	16
600-699 | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Three years prior to current fiscal year	47
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	29
600-699 | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Four years prior to current fiscal year	63
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	52
600-699 | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	98
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	53		55
Less than 600 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	27		26
Less than 600 | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	3
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	3
Less than 600 | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	13
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	16
Less than 600 | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	7
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	4
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	11
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	7
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	176
No score | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	15		16
No score | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Timeshare financing receivables, gross	5		$ 5
No score | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Fiscal Year	18
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	1
No score | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
One year before current fiscal year	53
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	26
No score | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Two years before current fiscal year	0
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	16
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	24
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	39
No score | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	9
No score | Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	0
Current period gross write-offs | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	15
Current period gross write-offs | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	16
Current period gross write-offs | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	2
Current period gross write-offs | 2023 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
2023	0
Current period gross write-offs | 2023 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2023	0
Current period gross write-offs | 2023 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2023	0
Current period gross write-offs | 2022 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
2022	2
Current period gross write-offs | 2022 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2022	0
Current period gross write-offs | 2022 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2022	1
Current period gross write-offs | 2021 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
2021	3
Current period gross write-offs | 2021 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2021	1
Current period gross write-offs | 2021 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2021	1
Current period gross write-offs | 2020 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
2020	2
Current period gross write-offs | 2020 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2020	2
Current period gross write-offs | 2020 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2020	0
Current period gross write-offs | Year Of Origination 2019 | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
2019	3
Current period gross write-offs | Year Of Origination 2019 | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2019	6
Current period gross write-offs | Year Of Origination 2019 | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
2019	0
Current period gross write-offs | Year Of Origination Prior | Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	5
Current period gross write-offs | Year Of Origination Prior | Acquired | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	7
Current period gross write-offs | Year Of Origination Prior | Originated | Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Prior	$ 0