Document and Entity Information (USD $)
12 Months Ended
Jan. 31, 2012
Mar. 20, 2012
Jul. 29, 2011
Document and Entity Information [Abstract]      
Entity Registrant Name TIFFANY & CO    
Entity Central Index Key 0000098246    
Document Type 10-K    
Document Period End Date Jan. 31, 2012    
Amendment Flag false    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --01-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 9,713,269,057
Entity Common Stock, Shares Outstanding   126,379,085