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TIMESHARE FINANCING RECEIVABLES - Schedule of Gross Timeshare Financing Receivables by Origination Year and Average FICO Score (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Originated
Financing Receivable, Recorded Investment [Line Items]
2024	$ 1,533
2023	593
2022	421
2021	167
2020	42
Prior	176
Timeshare financing receivables, gross	2,932	$ 2,096
2024	8
2023	7
2022	45
2021	25
2020	4
Prior	17
Total	106	73	$ 70
Originated | 700+
Financing Receivable, Recorded Investment [Line Items]
2024	1,009
2023	355
2022	252
2021	102
2020	23
Prior	99
Timeshare financing receivables, gross	1,840	1,288
Originated | 600-699
Financing Receivable, Recorded Investment [Line Items]
2024	343
2023	162
2022	124
2021	45
2020	9
Prior	40
Timeshare financing receivables, gross	723	531
Originated | Fico Score Less Than 600
Financing Receivable, Recorded Investment [Line Items]
2024	33
2023	21
2022	17
2021	6
2020	1
Prior	7
Timeshare financing receivables, gross	85	70
Originated | No score
Financing Receivable, Recorded Investment [Line Items]
2024	148
2023	55
2022	28
2021	14
2020	9
Prior	30
Timeshare financing receivables, gross	284	207
Acquired
Financing Receivable, Recorded Investment [Line Items]
2024	21
2023	328
2022	164
2021	138
2020	110
Prior	323
Timeshare financing receivables, gross	1,084	765
2024	0
2023	60
2022	33
2021	33
2020	30
Prior	102
Total	258	116	$ 119
Acquired | 700+
Financing Receivable, Recorded Investment [Line Items]
2024	15
2023	212
2022	89
2021	72
2020	53
Prior	147
Timeshare financing receivables, gross	588	322
Acquired | 600-699
Financing Receivable, Recorded Investment [Line Items]
2024	6
2023	86
2022	52
2021	49
2020	35
Prior	102
Timeshare financing receivables, gross	330	209
Acquired | Fico Score Less Than 600
Financing Receivable, Recorded Investment [Line Items]
2024	0
2023	2
2022	2
2021	5
2020	6
Prior	18
Timeshare financing receivables, gross	33	42
Acquired | No score
Financing Receivable, Recorded Investment [Line Items]
2024	0
2023	28
2022	21
2021	12
2020	16
Prior	56
Timeshare financing receivables, gross	$ 133	$ 192

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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