XML 14 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document And Entity Information - shares
3 Months Ended
May 05, 2019
May 21, 2019
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Period End Date May 05, 2019  
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Entity Registrant Name HOME DEPOT INC  
Entity Central Index Key 0000354950  
Current Fiscal Year End Date --02-02  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   1,100,286,099
Entity Emerging Growth Company false  
Entity Small Business false