    <SEC-DOCUMENT>0001193125-21-185436-index.html : 20210608
    <SEC-HEADER>0001193125-21-185436.hdr.sgml : 20210608
    <ACCEPTANCE-DATETIME>20210608161900
    ACCESSION NUMBER:		0001193125-21-185436
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20210608
    DATE AS OF CHANGE:		20210608

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MCKESSON CORP
    		CENTRAL INDEX KEY:			0000927653
    		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-DRUGS PROPRIETARIES & DRUGGISTS' SUNDRIES [5122]
    		IRS NUMBER:				943207296
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13252
    		FILM NUMBER:		211002382

    	BUSINESS ADDRESS:
    		STREET 1:		6555 STATE HIGHWAY 161
    		CITY:			IRVING
    		STATE:			TX
    		ZIP:			75039
    		BUSINESS PHONE:		972-446-4800

    	MAIL ADDRESS:
    		STREET 1:		6555 STATE HIGHWAY 161
    		CITY:			IRVING
    		STATE:			TX
    		ZIP:			75039

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MCKESSON HBOC INC
    		DATE OF NAME CHANGE:	19990115

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MCKESSON CORP
    		DATE OF NAME CHANGE:	19950209

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SP VENTURES INC
    		DATE OF NAME CHANGE:	19940728
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d43154ddefa14a.htm
    <DESCRIPTION>NOTICE & ACCESS
    <TEXT>
    Document 1 - file: d43154ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g43154checkbox.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g43154checkbox.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g43154g06z05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g43154g06z05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g43154snap1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g43154snap1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g43154snap2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g43154snap2.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>