-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 O0wGWulPAp3QsyfDtTNfOeVhsDf78MWIGVtw6QANF+dMAOLYD0H3tvqWPJ3TZ7Yf
 Ng0OPN9ffpGJ98bjaMOyXg==

<SEC-DOCUMENT>0001207628-03-000001.txt : 20030602
<SEC-HEADER>0001207628-03-000001.hdr.sgml : 20030602
<ACCEPTANCE-DATETIME>20030530175108
ACCESSION NUMBER:		0001207628-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030530
FILED AS OF DATE:		20030602

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:			WAYMAN ROBERT PAUL
		CENTRAL INDEX KEY:			0001186420

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04423
		FILM NUMBER:		03726828

	BUSINESS ADDRESS:	
		STREET 1:		5000 HACIENDA DR
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		9252365000

	MAIL ADDRESS:	
		STREET 1:		5000 HACIENDA DR
		CITY:			DUBLIN
		STATE:			CA
		ZIP:			94568
</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>2003-05-30</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001186420</rptOwnerCik>
            <rptOwnerName>WAYMAN ROBERT PAUL</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>Executive Vice President</officerTitle>
            <otherText>Chief Financial Officer</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-05-29</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>M</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>179176</value>
            </transactionShares>
            <transactionValue>
                <value>9.855</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>470016.3489</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-05-30</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>179176</value>
            </transactionShares>
            <transactionValue>
                <value>19.249</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>290840.3489</value>
                <footnoteId id="F1"/>
                <footnoteId id="F3"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <derivativeSecurity>
        <securityTitle>
            <value>Employee Stock Option</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>9.855</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-29</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>M</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>179176</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
                <footnoteId id="F2"/>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>1995-11-17</value>
        </exerciseDate>
        <expirationDate>
            <value>2004-11-16</value>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>179176</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>0</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">Includes the acquisition of 10.1287 shares in January 2003 and 13.4663 shares in April 2003 under the Hewlett-Packard Company Employee Share Ownership Plan in a transaction exempt under Rule 16b-3. Includes the acquisition of 236.398 share equivalents in February 2003 and 33.729 share equivalents in April 2003 under the Hewlett-Packard Company Tax Capital Accumulation Plan (a 401(k) plan) in a transaction exempt under Rule 16b-3</footnote>
        <footnote id="F2">Until the system is modified, a &quot;0&quot; is being used as an incorrect placeholder.</footnote>
        <footnote id="F3">This does not include the 1,120 shares of common stock held indirectly by Mr. Wayman on the behalf of his son.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Charles N. Charnas, Attorney-in-Fact</signatureName>
        <signatureDate>2003-05-30</signatureDate>
    </ownerSignature>

</ownershipDocument>

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