<SEC-DOCUMENT>0000028412-20-000111-index.html : 20201207
<SEC-HEADER>0000028412-20-000111.hdr.sgml : 20201207
<ACCEPTANCE-DATETIME>20201207161721
ACCESSION NUMBER:		0000028412-20-000111
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		34
CONFORMED PERIOD OF REPORT:	20201207
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20201207
DATE AS OF CHANGE:		20201207

FILER:

	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

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10706
		FILM NUMBER:		201372916

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>cma-20201207.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: cma-20201207.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>comerica2020goldmansachs.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: comerica2020goldmansachs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>cma-20201207.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: cma-20201207.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>4
<FILENAME>cma-20201207_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: cma-20201207_cal.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>5
<FILENAME>cma-20201207_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 5 - file: cma-20201207_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>cma-20201207_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 6 - file: cma-20201207_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>comerica2020goldmansachs001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: comerica2020goldmansachs001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>comerica2020goldmansachs002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: comerica2020goldmansachs002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>comerica2020goldmansachs003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: comerica2020goldmansachs003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>comerica2020goldmansachs004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: comerica2020goldmansachs004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>comerica2020goldmansachs005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: comerica2020goldmansachs005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>comerica2020goldmansachs006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: comerica2020goldmansachs006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>comerica2020goldmansachs007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: comerica2020goldmansachs007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>comerica2020goldmansachs008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: comerica2020goldmansachs008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>comerica2020goldmansachs009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: comerica2020goldmansachs009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>comerica2020goldmansachs010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: comerica2020goldmansachs010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>comerica2020goldmansachs011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: comerica2020goldmansachs011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>comerica2020goldmansachs012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: comerica2020goldmansachs012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>comerica2020goldmansachs013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: comerica2020goldmansachs013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>comerica2020goldmansachs014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: comerica2020goldmansachs014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>comerica2020goldmansachs015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: comerica2020goldmansachs015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>comerica2020goldmansachs016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: comerica2020goldmansachs016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>comerica2020goldmansachs017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: comerica2020goldmansachs017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>comerica2020goldmansachs018.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: comerica2020goldmansachs018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>comerica2020goldmansachs019.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: comerica2020goldmansachs019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>26
<FILENAME>cma-20201207_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 26 - file: cma-20201207_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>27
<FILENAME>cma-20201207_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 27 - file: cma-20201207_htm.html

Document 27 - RAW XML: cma-20201207_htm.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>28
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 28 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>29
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 29 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>30
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 30 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>31
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 31 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>32
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 32 - file: FilingSummary.html

Document 32 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>34
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 34 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>35
<FILENAME>0000028412-20-000111-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 35 - file: 0000028412-20-000111-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>