Document and Entity Information (USD $)	12 Months Ended
	Oct. 31, 2013	Nov. 30, 2013	Apr. 30, 2013
Document and Entity Information
Entity Registrant Name	HEWLETT PACKARD CO
Entity Central Index Key	0000047217
Document Type	10-K
Document Period End Date	Oct. 31, 2013
Amendment Flag	false
Current Fiscal Year End Date	--10-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 38,923,374,469
Entity Common Stock, Shares Outstanding		1,908,777,048
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY