Document and Entity Information	3 Months Ended
	May 03, 2013	May 24, 2013
Document and Entity Information
Entity Registrant Name	DOLLAR GENERAL CORP
Entity Central Index Key	0000029534
Document Type	10-Q
Document Period End Date	May 03, 2013
Amendment Flag	false
Current Fiscal Year End Date	--01-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		327,395,122
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1