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VACATION OWNERSHIP NOTES RECEIVABLE - Additional Information (Details) $ in Millions	3 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted average FICO score within originated loan pool		726	725
Average estimated rate of default for all outstanding loans		13.48%	13.96%
Estimated default rate increases that would have resulted an increase in allowance for credit losses		0.50%
Financing receivable, allowance for credit losses, that would have been increased		$ 14	$ 14
Acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Time sharing transactions reserve		7
Originated
Accounts, Notes, Loans and Financing Receivable [Line Items]
Time sharing transactions reserve		$ 532	$ 527
Originated | Reserve Review
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase in vacation ownership notes receivable reserve	$ (70)

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount of increase (decrease) in allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Allowance for uncollectible accounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 978
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479230/978-310-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 978
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-Publisher FASB
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- Definition

Average estimated rate of default for all outstanding loans.

+ References

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- Definition

Financing Receivable, Allowance For Credit Losses, That Would Have Been Increased

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The projected increased default rate to apply to the allowance for credit losses.

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Weighted Average FICO Score Within Loan Pool

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