-----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,
 HzAIOipasfB/dIr4tgynnaoktB1kTg5jUz8EmQvyeXTu1svmjndUXo4sxLJr+dWq
 L8VMvns2PgGtgtLk4lnX4g==

<SEC-DOCUMENT>0000007084-05-000368.txt : 20050922
<SEC-HEADER>0000007084-05-000368.hdr.sgml : 20050922
<ACCEPTANCE-DATETIME>20050922155632
ACCESSION NUMBER:		0000007084-05-000368
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050920
FILED AS OF DATE:		20050922
DATE AS OF CHANGE:		20050922

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MILLS STEVEN RICHARD
		CENTRAL INDEX KEY:			0001230727

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00044
		FILM NUMBER:		051098238

	MAIL ADDRESS:	
		STREET 1:		C/O ARCHER DANIELS MIDLAND CO
		STREET 2:		4666 FARIES PARKWAY
		CITY:			DECATUR
		STATE:			IL
		ZIP:			62526

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCHER DANIELS MIDLAND CO
		CENTRAL INDEX KEY:			0000007084
		STANDARD INDUSTRIAL CLASSIFICATION:	FATS & OILS [2070]
		IRS NUMBER:				410129150
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		4666 FARIES PKWY
		CITY:			DECATUR
		STATE:			IL
		ZIP:			62526
		BUSINESS PHONE:		2174244798

	MAIL ADDRESS:	
		STREET 1:		4666 FARIES PKWY
		CITY:			DECATUR
		STATE:			IL
		ZIP:			62526
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-09-20</periodOfReport>

    <dateOfOriginalSubmission>2005-08-10</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000007084</issuerCik>
        <issuerName>ARCHER DANIELS MIDLAND CO</issuerName>
        <issuerTradingSymbol>ADM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001230727</rptOwnerCik>
            <rptOwnerName>MILLS STEVEN RICHARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4666 FARIES PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DECATUR</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>62526</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Group V.P. &amp; Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-08-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>43431</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>132430</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-08-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6514</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.78</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>125916</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This amount was incorrectly reported on the original Form 4 filed August 10, 2005, and also was incorrectly reported on one Form 4 filed by the reporting person on August 19, 2005.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Stuart E. Funderburg,  Attorney-in-Fact for Steven R. Mills</signatureName>
        <signatureDate>2005-09-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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