XML 26 R35.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Document and Entity Information
6 Months Ended
Aug. 13, 2011
Sep. 09, 2011
Document and Entity Information    
Entity Registrant Name KROGER CO  
Entity Central Index Key 0000056873  
Document Type 10-Q  
Document Period End Date Aug. 13, 2011
Amendment Flag false  
Current Fiscal Year End Date --01-28  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   597,146,867
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2