TIMESHARE FINANCING RECEIVABLES - Schedule of Maturities of Financing Receivables (Details) $ in Millions	Sep. 30, 2025 USD ($)
Originated
Accounts Notes And Loans Receivable [Line Items]
2025 (remaining)	$ 66
2026	255
2027	277
2028	298
2029	324
Thereafter	2,223
Total	3,443
Acquired
Accounts Notes And Loans Receivable [Line Items]
2025 (remaining)	26
2026	103
2027	108
2028	104
2029	97
Thereafter	274
Total	712
Securitized \| Originated
Accounts Notes And Loans Receivable [Line Items]
2025 (remaining)	35
2026	148
2027	158
2028	166
2029	175
Thereafter	875
Total	1,557
Securitized \| Acquired
Accounts Notes And Loans Receivable [Line Items]
2025 (remaining)	15
2026	58
2027	62
2028	59
2029	53
Thereafter	152
Total	399
Unsecuritized \| Originated
Accounts Notes And Loans Receivable [Line Items]
2025 (remaining)	31
2026	107
2027	119
2028	132
2029	149
Thereafter	1,348
Total	1,886
Unsecuritized \| Acquired
Accounts Notes And Loans Receivable [Line Items]
2025 (remaining)	11
2026	45
2027	46
2028	45
2029	44
Thereafter	122
Total	$ 313

Time-Sharing Transaction, Notes Receivable, Maturity, After Year Four

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- Definition

Time Sharing Transactions Maturities Of Notes Receivable Remainder Of Fiscal Year

+ References

No definition available.

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- 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 notes receivable related to time share sales, net of allowance for uncollectible accounts and deferred profit.

+ 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

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Amount, before allowance for uncollectible account, of notes receivable for time-sharing transaction maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount, before allowance for uncollectible account, of notes receivable for time-sharing transaction maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount, before allowance for uncollectible account, of notes receivable for time-sharing transaction maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount, before allowance for uncollectible account, of notes receivable for time-sharing transaction maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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