Document And Entity Information - shares
6 Months Ended
Jul. 29, 2017
Aug. 23, 2017
Document And Entity Information [Abstract]    
Document Type 10-Q  
Document Period End Date Jul. 29, 2017  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --02-03  
Document Fiscal Year Focus 2017  
Amendment Flag false  
Entity Registrant Name Nordstrom Inc.  
Entity Central Index Key 0000072333  
Entity Filer Category Large Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Common Stock, Shares Outstanding   166,239,726