-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KKPDh/+YSjpGTX6loKmP7iANCT1EzKR26gPzNRP+f0UJ1hQv7wreWuQGb8aDFHvt
 dRVYTZ5RtMiG2Tkl4tSSzg==

<SEC-DOCUMENT>0001127602-09-026111.txt : 20091224
<SEC-HEADER>0001127602-09-026111.hdr.sgml : 20091224
<ACCEPTANCE-DATETIME>20091224135505
ACCESSION NUMBER:		0001127602-09-026111
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090302
FILED AS OF DATE:		20091224
DATE AS OF CHANGE:		20091224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AGILENT TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001090872
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				770518772
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		5301 STEVENS CREEK BLVD
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95051
		BUSINESS PHONE:		408-345-8647

	MAIL ADDRESS:	
		STREET 1:		5301 STEVENS CREEK BLVD, MS 1A-LC
		STREET 2:		P.O. BOX 58059
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95052-8059

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HP MEASUREMENT INC
		DATE OF NAME CHANGE:	19990716

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KOH BOON HWEE
		CENTRAL INDEX KEY:			0001235113

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15405
		FILM NUMBER:		091260222

	MAIL ADDRESS:	
		STREET 1:		C/O AGILENT TECHNOLOGIES
		STREET 2:		5301 STEVENS CREEK BLVD, MS 1A-LC
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95051
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-03-02</periodOfReport>

    <issuer>
        <issuerCik>0001090872</issuerCik>
        <issuerName>AGILENT TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>A</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001235113</rptOwnerCik>
            <rptOwnerName>KOH BOON HWEE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5301 STEVENS CREEK BLVD, MS 1A-LC</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANTA CLARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95051</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-03-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>556</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.68</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19517.14</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-11-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>34</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19483.14</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person surrendered 556 shares to Agilent to satisfy tax liability on the release of his restricted shares in accordance with Rule 16b-3.</footnote>
        <footnote id="F2">The reporting person surrendered 34 shares to Agilent to satisfy tax liability on the release of his restricted shares in accordance with Rule 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stephen D. Williams, Attorney-in-fact for Mr. Koh</signatureName>
        <signatureDate>2009-12-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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