VACATION OWNERSHIP NOTES RECEIVABLE - Future Principal Payments, Net of Reserves, and Interest Rates (Details) $ in Millions	Dec. 31, 2017 USD ($)
Future Minimum Payments Receivable [Line Items]
2018	$ 142
2019	126
2020	122
2021	119
2022	116
Thereafter	490
Balance at year-end 2017	1,115
Non-Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
2018	48
2019	35
2020	30
2021	26
2022	24
Thereafter	138
Balance at year-end 2017	301
Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
2018	94
2019	91
2020	92
2021	93
2022	92
Thereafter	352
Balance at year-end 2017	$ 814
Weighted Average
Future Minimum Payments Receivable [Line Items]
Stated interest rate	12.30%
Weighted Average \| Non-Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
Stated interest rate	11.50%
Weighted Average \| Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
Stated interest rate	12.60%
Minimum
Future Minimum Payments Receivable [Line Items]
Stated interest rate	0.00%
Minimum \| Non-Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
Stated interest rate	0.00%
Minimum \| Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
Stated interest rate	4.90%
Maximum
Future Minimum Payments Receivable [Line Items]
Stated interest rate	18.00%
Maximum \| Non-Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
Stated interest rate	18.00%
Maximum \| Securitized Vacation Ownership Notes Receivable
Future Minimum Payments Receivable [Line Items]
Stated interest rate	18.00%

Aggregate total of all maturities of notes receivable after the first five years following the date of the financial statements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 978
-SubTopic 310
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68077313&loc=d3e27327-108691

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableFutureYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 978
-SubTopic 310
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68070105&loc=d3e27305-108690

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maturities for the fifth year following the date of the financial statements.

+ References

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableYearFive
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maturities for the fourth year following the date of the financial statements.

+ References

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maturities for the first year following the date of the financial statements.

+ References

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableYearOne
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maturities for the third year following the date of the financial statements.

+ References

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maturities for the second year following the date of the financial statements.

+ References

+ Details

Name:	us-gaap_TimeSharingTransactionsMaturitiesOfNotesReceivableYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 978
-SubTopic 310
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68077313&loc=d3e27327-108691

+ Details

Name:	us-gaap_TimesharingTransactionsStatedInterestRateForNotesReceivable
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Future Minimum Payments Receivable [Line Items]

+ References

No definition available.

+ Details

Name:	vac_FutureMinimumPaymentsReceivableLineItems
Namespace Prefix:	vac_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ProductOrServiceAxis=vac_NonsecuritizedVacationOwnershipNotesReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ProductOrServiceAxis=vac_SecuritizedVacationOwnershipNotesReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: