Cover Page - shares	9 Months Ended
	Sep. 30, 2020	Nov. 03, 2020
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
Document Transition Report	false
Entity File Number	001-35219
Entity Registrant Name	Marriott Vacations Worldwide Corp
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	45-2598330
Entity Address, Address Line One	6649 Westwood Blvd.
Entity Address, City or Town	Orlando
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	32821
City Area Code	407
Local Phone Number	206-6000
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	VAC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		41,062,766
Document Fiscal Year Focus	2020
Amendment Flag	false
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001524358
Current Fiscal Year End Date	--12-31