Document and Entity Information - USD ($)	12 Months Ended
	Jan. 30, 2016	Feb. 27, 2016	Aug. 01, 2015
Entity Registrant Name	DILLARDS INC
Entity Central Index Key	0000028917
Document Type	10-K
Document Period End Date	Jan. 30, 2016
Amendment Flag	false
Current Fiscal Year End Date	--01-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 3,158,176,418
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Common Stock Class A
Entity Common Stock, Shares Outstanding		31,909,989
Common Stock Class B
Entity Common Stock, Shares Outstanding		4,010,401