XML 38 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page - USD ($)
 12 Months Ended
Feb. 02, 2020
Mar. 22, 2020
Aug. 04, 2019
Cover [Abstract]      
Document Type 10-K    
Document Period End Date Feb. 02, 2020    
Document Annual Report true    
Document Transition Report false    
Amendment Flag false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000719955    
Current Fiscal Year End Date --02-02    
Entity Registrant Name WILLIAMS SONOMA INC    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Trading Symbol WSM    
Entity Shell Company false    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Public Float     $ 4,956,461,000
Entity Common Stock, Shares Outstanding   77,197,681  
Entity Interactive Data Current Yes    
Entity File Number 001-14077    
Entity Tax Identification Number 94-2203880    
Entity Address, Address Line One 3250 Van Ness Avenue    
Entity Address, City or Town San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94109    
Entity Incorporation, State or Country Code DE    
Title of 12(b) Security Common Stock    
City Area Code 415    
Local Phone Number 421-7900    
Security Exchange Name NYSE