v3.25.1

INVENTORY - Composition of Inventory (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Inventory Disclosure [Abstract]
Real estate inventory	$ 727	$ 725
Other	10	10
Inventory	$ 737	$ 735

No definition available.

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Total of (1) improvements, (2) held-for-sale, (3) construction-in-process, and (4) operating supplies, held in the normal course of business.

No definition available.

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Total of (1) improvements, (2) held-for-sale, and (3) construction-in-process.

No definition available.

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Operating Supplies and Inventories

No definition available.

Name:	vac_OperatingSuppliesAndInventories
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant