<SEC-DOCUMENT>0000723125-19-000076.txt : 20191011
<SEC-HEADER>0000723125-19-000076.hdr.sgml : 20191011
<ACCEPTANCE-DATETIME>20191011180650
ACCESSION NUMBER:		0000723125-19-000076
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190829
FILED AS OF DATE:		20191011
DATE AS OF CHANGE:		20191011

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bokan Michael W
		CENTRAL INDEX KEY:			0001754666

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10658
		FILM NUMBER:		191148814

	MAIL ADDRESS:	
		STREET 1:		8000 S FEDERAL WAY
		STREET 2:		MS 1-557
		CITY:			BOISE
		STATE:			ID
		ZIP:			83716

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MICRON TECHNOLOGY INC
		CENTRAL INDEX KEY:			0000723125
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				751618004
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0829

	BUSINESS ADDRESS:	
		STREET 1:		8000 S FEDERAL WAY
		STREET 2:		PO BOX 6
		CITY:			BOISE
		STATE:			ID
		ZIP:			83716-9632
		BUSINESS PHONE:		2083684000

	MAIL ADDRESS:	
		STREET 1:		8000 S FEDERAL WAY
		STREET 2:		PO BOX 6
		CITY:			BOISE
		STATE:			ID
		ZIP:			83716-9632
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2019-08-29</periodOfReport>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000723125</issuerCik>
        <issuerName>MICRON TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>MU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001754666</rptOwnerCik>
            <rptOwnerName>Bokan Michael W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8000 S. FEDERAL WAY, MS 1-557</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOISE</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>83716</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, WORLDWIDE SALES</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40036</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 5 is being filed only to update shares owned to include 638 shares acquired under the Micron Technology, Inc. Employee Stock Purchase Plan on January 31, 2019, which acquisition is exempt from reporting under Rule 16a-3(f)(1)(i)(B).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Rachel Southorn, Attorney-in-fact</signatureName>
        <signatureDate>2019-10-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
