XML 77 R1.htm IDEA: XBRL DOCUMENT v2.4.0.8
Document and Entity Information
6 Months Ended
Aug. 02, 2013
Aug. 26, 2013
Document and Entity Information    
Entity Registrant Name DOLLAR GENERAL CORP  
Entity Central Index Key 0000029534  
Document Type 10-Q  
Document Period End Date Aug. 02, 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   323,608,057
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q2