Document And Entity Information - USD ($)
$ in Billions
12 Months Ended
Jan. 30, 2016
Mar. 11, 2016
Jul. 31, 2015
Document And Entity Information [Abstract]      
Document Type 10-K    
Document Period End Date Jan. 30, 2016    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --01-30    
Document Fiscal Year Focus 2015    
Amendment Flag false    
Entity Registrant Name Nordstrom Inc.    
Entity Central Index Key 0000072333    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer Yes    
Entity Common Stock, Shares Outstanding   172,920,293  
Entity Public Float     $ 11.7