<SEC-DOCUMENT>0000022356-20-000020-index.html : 20200417
<SEC-HEADER>0000022356-20-000020.hdr.sgml : 20200417
<ACCEPTANCE-DATETIME>20200417093915
ACCESSION NUMBER:		0000022356-20-000020
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20200417
ITEM INFORMATION:		Regulation FD Disclosure
FILED AS OF DATE:		20200417
DATE AS OF CHANGE:		20200417

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMMERCE BANCSHARES INC /MO/
		CENTRAL INDEX KEY:			0000022356
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				430889454
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36502
		FILM NUMBER:		20798047

	BUSINESS ADDRESS:	
		STREET 1:		1000 WALNUT
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64106
		BUSINESS PHONE:		8162342000

	MAIL ADDRESS:	
		STREET 1:		P O BOX 419248
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64141-6248
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>cbsh041720208k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: cbsh041720208k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>cbsh-20200417.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 2 - file: cbsh-20200417.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>3
<FILENAME>cbsh-20200417_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 3 - file: cbsh-20200417_cal.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>4
<FILENAME>cbsh-20200417_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: cbsh-20200417_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>5
<FILENAME>cbsh-20200417_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 5 - file: cbsh-20200417_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>6
<FILENAME>cbsh-20200417_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 6 - file: cbsh-20200417_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>8
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 8 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>cbsh041720208k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 9 - file: cbsh041720208k_htm.html

Document 9 - RAW XML: cbsh041720208k_htm.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>10
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 10 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: FilingSummary.html

Document 12 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>15
<FILENAME>0000022356-20-000020-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: 0000022356-20-000020-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>