    <SEC-DOCUMENT>0000927653-22-000100-index.html : 20221107
    <SEC-HEADER>0000927653-22-000100.hdr.sgml : 20221107
    <ACCEPTANCE-DATETIME>20221107085612
    ACCESSION NUMBER:		0000927653-22-000100
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20221107
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Termination of a Material Definitive Agreement
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20221107
    DATE AS OF CHANGE:		20221107

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13252
    		FILM NUMBER:		221363938

    	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>8-K
    <SEQUENCE>1
    <FILENAME>mck-20221107.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: mck-20221107.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>revolvingcreditagreement.htm
    <DESCRIPTION>EX-10.1 CREDIT AGREEMENT 11-7
    <TEXT>
    Document 2 - file: revolvingcreditagreement.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>3
    <FILENAME>ddtlcreditagreement.htm
    <DESCRIPTION>EX-10.2 DDTL CREDIT AGREEMENT 11-7
    <TEXT>
    Document 3 - file: ddtlcreditagreement.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>mck-20221107.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: mck-20221107.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>5
    <FILENAME>mck-20221107_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: mck-20221107_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>mck-20221107_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: mck-20221107_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>mck-20221107_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: mck-20221107_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>mck-20221107_g1.jpg
    <DESCRIPTION>LOGO
    <TEXT>
    Document 8 - file: mck-20221107_g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>mck-20221107_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: mck-20221107_htm.html

    Document 10 - RAW XML: mck-20221107_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>11
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: Show.js

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: FilingSummary.html

    Document 14 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>17
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>18
    <FILENAME>0000927653-22-000100-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: 0000927653-22-000100-xbrl.zip

    </DOCUMENT>
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