VACATION OWNERSHIP NOTES RECEIVABLE - Schedule of Notes Receivable Reserves (Details) - Originated $ in Millions	3 Months Ended
Mar. 31, 2026 USD ($)
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	$ 527
Increase in vacation ownership notes receivable reserve	53
Securitizations	0
Write-offs	(46)
Defaulted vacation ownership notes receivable repurchase activity	0
Ending balance	534
Non-securitized
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	242
Increase in vacation ownership notes receivable reserve	50
Securitizations	(56)
Write-offs	(46)
Defaulted vacation ownership notes receivable repurchase activity	36
Ending balance	226
Securitized
Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward]
Beginning balance	285
Increase in vacation ownership notes receivable reserve	3
Securitizations	56
Write-offs	0
Defaulted vacation ownership notes receivable repurchase activity	(36)
Ending balance	$ 308

Amount of credit loss expense (reversal of expense) for financing receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(11))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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Balance Type:	debit
Period Type:	duration

- 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
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479230/978-310-50-1

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of decrease in the allowance for uncollectible accounts, for time sharing transactions, from direct write-offs charged against the allowance.

+ References

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

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- Definition

Financing Receivable, Allowance for Credit Losses, Repurchase Activity

+ References

No definition available.

+ Details

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Namespace Prefix:	vac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Securitized Financing Receivable

+ References

No definition available.

+ Details

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Namespace Prefix:	vac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
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