Document and Entity Information - shares
 3 Months Ended
May 04, 2019
Jun. 01, 2019
Entity Registrant Name DILLARD'S, INC.  
Trading Symbol DDS  
Entity Central Index Key 0000028917  
Document Type 10-Q  
Document Period End Date May 04, 2019  
Amendment Flag false  
Current Fiscal Year End Date --02-01  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Entity Emerging Growth Company false  
Entity Small Business false  
Common Stock Class A    
Entity Common Stock, Shares Outstanding   21,729,377
Common Stock Class B    
Entity Common Stock, Shares Outstanding   4,010,401