Cover Page	3 Months Ended
	Apr. 30, 2020 shares
Cover [Abstract]
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000098246
Current Fiscal Year End Date	--01-31
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Apr. 30, 2020
Document Transition Report	false
Entity File Number	1-9494
Entity Registrant Name	TIFFANY & CO
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3228013
Entity Address, Address Line One	200 Fifth Avenue
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10010
City Area Code	212
Local Phone Number	755-8000
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	TIF
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	121,346,674