    <SEC-DOCUMENT>0001104659-21-042481-index.html : 20210326
    <SEC-HEADER>0001104659-21-042481.hdr.sgml : 20210326
    <ACCEPTANCE-DATETIME>20210326163016
    ACCESSION NUMBER:		0001104659-21-042481
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20210326
    DATE AS OF CHANGE:		20210326

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			3M CO
    		CENTRAL INDEX KEY:			0000066740
    		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
    		IRS NUMBER:				410417775
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-03285
    		FILM NUMBER:		21777854

    	BUSINESS ADDRESS:
    		STREET 1:		3M CENTER
    		STREET 2:		BLDG. 220-13E-26A
    		CITY:			ST PAUL
    		STATE:			MN
    		ZIP:			55144-1000
    		BUSINESS PHONE:		6517331474

    	MAIL ADDRESS:
    		STREET 1:		3M CENTER
    		STREET 2:		BLDG. 220-13E-26A
    		CITY:			ST. PAUL
    		STATE:			MN
    		ZIP:			55144-1000

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MINNESOTA MINING & MANUFACTURING CO
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>tm2110938d1_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: tm2110938d1_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>tm2110938d1_defa14aimg001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: tm2110938d1_defa14aimg001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm2110938d1_defa14aimg002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm2110938d1_defa14aimg002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm2110938d1_defa14aimg003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm2110938d1_defa14aimg003.jpg

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    </SEC-DOCUMENT>