VACATION OWNERSHIP NOTES RECEIVABLE - Future Principal Payments, Net of Reserves, and Interest Rates of Vacation Ownership Notes Receivable (Details) $ in Millions	Sep. 30, 2023 USD ($)
Acquired
Future Minimum Payments Receivable [Line Items]
2023, remaining	$ 10
2024	36
2025	33
2026	30
2027	24
Thereafter	50
Balance at Mar 31, 2022	$ 183
Acquired \| Weighted Average
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	14.20%
Acquired \| Minimum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	0.00%
Acquired \| Maximum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	21.90%
Acquired \| Non-securitized
Future Minimum Payments Receivable [Line Items]
2023, remaining	$ 2
2024	3
2025	3
2026	3
2027	2
Thereafter	7
Balance at Mar 31, 2022	$ 20
Acquired \| Non-securitized \| Weighted Average
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	14.00%
Acquired \| Non-securitized \| Minimum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	0.00%
Acquired \| Non-securitized \| Maximum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	21.90%
Acquired \| Securitized
Future Minimum Payments Receivable [Line Items]
2023, remaining	$ 8
2024	33
2025	30
2026	27
2027	22
Thereafter	43
Balance at Mar 31, 2022	$ 163
Acquired \| Securitized \| Weighted Average
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	14.20%
Acquired \| Securitized \| Minimum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	0.00%
Acquired \| Securitized \| Maximum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	21.90%
Originated
Future Minimum Payments Receivable [Line Items]
2023, remaining	$ 42
2024	188
2025	181
2026	189
2027	197
Thereafter	1,311
Balance at Mar 31, 2022	$ 2,108
Originated \| Weighted Average
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	13.00%
Originated \| Minimum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	0.00%
Originated \| Maximum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	20.90%
Originated \| Non-securitized
Future Minimum Payments Receivable [Line Items]
2023, remaining	$ 8
2024	47
2025	34
2026	34
2027	34
Thereafter	229
Balance at Mar 31, 2022	$ 386
Originated \| Non-securitized \| Weighted Average
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	12.10%
Originated \| Non-securitized \| Minimum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	0.00%
Originated \| Non-securitized \| Maximum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	20.90%
Originated \| Securitized
Future Minimum Payments Receivable [Line Items]
2023, remaining	$ 34
2024	141
2025	147
2026	155
2027	163
Thereafter	1,082
Balance at Mar 31, 2022	$ 1,722
Originated \| Securitized \| Weighted Average
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	13.20%
Originated \| Securitized \| Minimum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	0.00%
Originated \| Securitized \| Maximum
Future Minimum Payments Receivable [Line Items]
Time-sharing transactions, stated interest rate for notes receivable	19.90%

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

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//1943274/2147482707/978-310-50-1

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- Definition

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).

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- Definition

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).

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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).

+ References

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- Definition

Stated interest rate of notes receivable from time-sharing transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 978
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482707/978-310-50-1

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- Definition

Future Minimum Payments Receivable [Line Items]

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- Definition

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

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- Definition

Time-Sharing Transaction, Notes Receivable, Maturity, Remainder Of Fiscal Year

+ References

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