Document And Entity Information (USD $) In Billions, except Share data, unless otherwise specified	12 Months Ended
	Jan. 29, 2012	Mar. 14, 2012	Jul. 31, 2011
Document And Entity Information
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jan. 29, 2012
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Trading Symbol	hd
Entity Registrant Name	HOME DEPOT INC
Entity Central Index Key	0000354950
Current Fiscal Year End Date	--01-29
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,523,263,533
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 53.7
Entity Voluntary Filers	No