Timeshare Financing Receivables - Details of Financing Receivables by Origination Year and Average FICO Score (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	$ 803	$ 1,038
Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	1,655	1,397
Legacy-Diamond
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	1,257	1,283
Legacy-Diamond | Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	0
One year prior to current fiscal year	138
Two years prior to current fiscal year	166
Three years prior to current fiscal year	202
Four years prior to current fiscal year	124
Prior	173
Total	803
Legacy-Diamond | Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	315
One year prior to current fiscal year	139
Two years prior to current fiscal year	0
Three years prior to current fiscal year	0
Four years prior to current fiscal year	0
Prior	0
Total	454
Legacy-Diamond | 700+ | Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	0
One year prior to current fiscal year	75
Two years prior to current fiscal year	91
Three years prior to current fiscal year	109
Four years prior to current fiscal year	71
Prior	77
Total	423
Legacy-Diamond | 700+ | Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	200
One year prior to current fiscal year	82
Two years prior to current fiscal year	0
Three years prior to current fiscal year	0
Four years prior to current fiscal year	0
Prior	0
Total	282
Legacy-Diamond | 600-699 | Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	0
One year prior to current fiscal year	50
Two years prior to current fiscal year	55
Three years prior to current fiscal year	78
Four years prior to current fiscal year	46
Prior	71
Total	300
Legacy-Diamond | 600-699 | Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	98
One year prior to current fiscal year	46
Two years prior to current fiscal year	0
Three years prior to current fiscal year	0
Four years prior to current fiscal year	0
Prior	0
Total	144
Legacy-Diamond | Less than 600 | Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	0
One year prior to current fiscal year	12
Two years prior to current fiscal year	15
Three years prior to current fiscal year	13
Four years prior to current fiscal year	6
Prior	17
Total	63
Legacy-Diamond | Less than 600 | Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	14
One year prior to current fiscal year	10
Two years prior to current fiscal year	0
Three years prior to current fiscal year	0
Four years prior to current fiscal year	0
Prior	0
Total	24
Legacy-Diamond | No score | Acquired
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	0
One year prior to current fiscal year	1
Two years prior to current fiscal year	5
Three years prior to current fiscal year	2
Four years prior to current fiscal year	1
Prior	8
Total	17
Legacy-Diamond | No score | Originated
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	3
One year prior to current fiscal year	1
Two years prior to current fiscal year	0
Three years prior to current fiscal year	0
Four years prior to current fiscal year	0
Prior	0
Total	4
Legacy-HGV
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	397
One year prior to current fiscal year	253
Two years prior to current fiscal year	97
Three years prior to current fiscal year	167
Four years prior to current fiscal year	115
Prior	172
Total	1,201	$ 1,152
Legacy-HGV | 700+
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	258
One year prior to current fiscal year	157
Two years prior to current fiscal year	55
Three years prior to current fiscal year	98
Four years prior to current fiscal year	68
Prior	98
Total	734
Legacy-HGV | 600-699
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	87
One year prior to current fiscal year	58
Two years prior to current fiscal year	20
Three years prior to current fiscal year	35
Four years prior to current fiscal year	25
Prior	39
Total	264
Legacy-HGV | Less than 600
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	11
One year prior to current fiscal year	8
Two years prior to current fiscal year	3
Three years prior to current fiscal year	5
Four years prior to current fiscal year	3
Prior	6
Total	36
Legacy-HGV | No score
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current fiscal year	41
One year prior to current fiscal year	30
Two years prior to current fiscal year	19
Three years prior to current fiscal year	29
Four years prior to current fiscal year	19
Prior	29
Total	$ 167