Document And Entity Information - shares	9 Months Ended
	Nov. 01, 2015	Nov. 17, 2015
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Nov. 01, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Entity Registrant Name	HOME DEPOT INC
Entity Central Index Key	0000354950
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,267,881,263