Document And Entity Information - USD ($)
$ in Billions
12 Months Ended
Jan. 28, 2017
Mar. 07, 2017
Jul. 29, 2016
Document And Entity Information [Abstract]      
Document Type 10-K    
Document Period End Date Jan. 28, 2017    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --01-28    
Document Fiscal Year Focus 2016    
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   166,851,252  
Entity Public Float     $ 6.1