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Cover Page - USD ($)
12 Months Ended
Jan. 31, 2020
Mar. 16, 2020
Jul. 31, 2019
Cover page.      
Amendment Flag false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000098246    
Current Fiscal Year End Date --01-31    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jan. 31, 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, $.01 par value per share    
Trading Symbol TIF    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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 Public Float     $ 11,273,922,094
Entity Common Stock, Shares Outstanding   121,191,337  
Documents Incorporated by Reference
The following documents are incorporated by reference into this Annual Report on Form 10-K: Registrant's Proxy Statement Dated April 20, 2020 (Part III).