<SEC-DOCUMENT>0000028412-16-000185.txt : 20160225
<SEC-HEADER>0000028412-16-000185.hdr.sgml : 20160225
<ACCEPTANCE-DATETIME>20160225165757
ACCESSION NUMBER:		0000028412-16-000185
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160223
FILED AS OF DATE:		20160225
DATE AS OF CHANGE:		20160225

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMERICA INC /NEW/
		CENTRAL INDEX KEY:			0000028412
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				000006021
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1717 MAIN STREET MC6404
		STREET 2:		ATTN: DARLENE PERSONS
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		214-462-6831

	MAIL ADDRESS:	
		STREET 1:		1717 MAIN STREET MC6404
		STREET 2:		ATTN: DARLENE PERSONS
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DETROITBANK CORP
		DATE OF NAME CHANGE:	19850311

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BILSTROM JON W
		CENTRAL INDEX KEY:			0001217991

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10706
		FILM NUMBER:		161456671

	MAIL ADDRESS:	
		STREET 1:		500 WOODWARD AVE
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48226
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-02-23</periodOfReport>

    <issuer>
        <issuerCik>0000028412</issuerCik>
        <issuerName>COMERICA INC /NEW/</issuerName>
        <issuerTradingSymbol>CMA</issuerTradingSymbol>
    </issuer>

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            <rptOwnerCik>0001217991</rptOwnerCik>
            <rptOwnerName>BILSTROM JON W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>COMERICA INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>1717 MAIN STREET, MC 6404</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-02-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1950</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
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            <ownershipNature>
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                <natureOfOwnership>
                    <value>by Kathy Keeler Bilstrom Trust Agency</value>
                </natureOfOwnership>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                <natureOfOwnership>
                    <value>by Jon W. Bilstrom Agency</value>
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                    <value></value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
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            <conversionOrExercisePrice>
                <value>39.10</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2012-01-25</value>
                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2021-01-25</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
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            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <exerciseDate>
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            <expirationDate>
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            </expirationDate>
            <underlyingSecurity>
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            <exerciseDate>
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                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2025-01-27</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>4960</value>
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                <sharesOwnedFollowingTransaction>
                    <value>4960</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                    <value></value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>32.97</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2017-01-26</value>
                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2026-01-26</value>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>5695</value>
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                    <value>D</value>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">On January 22, 2013, a &quot;target&quot; award of 13,000 performance restricted stock units (PRSUs) was granted to the reporting person pursuant to Comerica Incorporated's long-term incentive plan.  The PRSUs are settled in stock, with accrued dividend equivalents paid out annually in cash, and vest in one installment at the end of a 3-year performance period.  If, during any year in such performance period, Comerica falls below the Tier 1 Capital Threshold defined by the Federal Reserve for well capitalized banks, 15% of the target award will be forfeited, with a maximum reduction of 45%.  Previously, Comerica's Governance, Compensation and Nominating Committee certified that performance was achieved for the 2013 and 2014 fiscal years.  On February 23, 2016 the Committee certified that performance was achieved for the 2015 fiscal year.  The number of PRSUs reported in this Form 4 represents the additional portion of the award that is not subject to reduction due to the achievement of the 2015 performance results.</footnote>
        <footnote id="F2">Includes shares acquired through employee stock plans, shares purchased with reinvested dividends and stock units held pursuant to a deferred compensation plan as of February 23, 2016.</footnote>
        <footnote id="F3">The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jennifer S. Perry, on behalf of Jon W. Bilstrom through Power of Attorney</signatureName>
        <signatureDate>2016-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
