-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001207618-03-000001.txt : 20030612
<SEC-HEADER>0001207618-03-000001.hdr.sgml : 20030612
<ACCEPTANCE-DATETIME>20030611183016
ACCESSION NUMBER:		0001207618-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030611
FILED AS OF DATE:		20030612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEWLETT PACKARD CO
		CENTRAL INDEX KEY:			0000047217
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER & OFFICE EQUIPMENT [3570]
		IRS NUMBER:				941081436
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		3000 HANOVER ST
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304
		BUSINESS PHONE:		4158571501

	MAIL ADDRESS:	
		STREET 1:		3000 HANOVER ST
		STREET 2:		MS 20BL
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOHNSON ALLISON
		CENTRAL INDEX KEY:			0001207618

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04423
		FILM NUMBER:		03741276

	BUSINESS ADDRESS:	
		STREET 1:		C/O HEWLETT-PACKARD CO
		STREET 2:		3000 HANOVER STREET
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304
		BUSINESS PHONE:		6508571501

	MAIL ADDRESS:	
		STREET 1:		C/O HEWLETT-PACKARD CO
		STREET 2:		3000 HANOVER STREET
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-06-11</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000047217</issuerCik>
        <issuerName>HEWLETT PACKARD CO</issuerName>
        <issuerTradingSymbol>HPQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001207618</rptOwnerCik>
            <rptOwnerName>JOHNSON ALLISON</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle>Sr. Vice President</officerTitle>
            <otherText>Global Brand &amp; Communications</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-06-11</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>16375</value>
            </transactionShares>
            <transactionValue>
                <value>21.01</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>971.858</value>
                <footnoteId id="F1"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>By 401(k) Plan</value>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Includes the acquisition of 17.225 share equivalents in January 2003, 72.542 share equivalents in February 2003, 41.907 share equivalents in March 2003, 70.643 share equivalents in April 2003 and 58.851 share equivalents in May 2003 under the Hewlett-Packard Company Tax Capital Accumulation Plan (a 401(k) plan), in a transaction exempt under Rule 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Ann O. Baskins, Attorney-in-Fact</signatureName>
        <signatureDate>2003-06-11</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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