<SEC-DOCUMENT>0000927653-20-000013-index.html : 20200204
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<ACCEPTANCE-DATETIME>20200204071043
ACCESSION NUMBER:		0000927653-20-000013
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20200204
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20200204
DATE AS OF CHANGE:		20200204

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:		20570632

	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>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>mck8-k12312019.htm
<DESCRIPTION>8-K EARNINGS RELEASE 12.31.2019 3Q20
<TEXT>
Document 1 - file: mck8-k12312019.htm

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>mckexhibit99112312019.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: mckexhibit99112312019.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>mck-20200204.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: mck-20200204.xsd

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<TYPE>EX-101.CAL
<SEQUENCE>4
<FILENAME>mck-20200204_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: mck-20200204_cal.xml

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<TYPE>EX-101.DEF
<SEQUENCE>5
<FILENAME>mck-20200204_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 5 - file: mck-20200204_def.xml

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<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>mck-20200204_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 6 - file: mck-20200204_lab.xml

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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>7
<FILENAME>mck-20200204_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 7 - file: mck-20200204_pre.xml

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<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>mckessonlogoa01.jpg
<TEXT>
Document 8 - file: mckessonlogoa01.jpg

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<TYPE>XML
<SEQUENCE>9
<FILENAME>mck8-k12312019_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
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<SEQUENCE>11
<FILENAME>R1.htm
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<TEXT>
Document 11 - file: R1.htm

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<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>12
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: Financial_Report.xlsx

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

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>14
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: MetaLinks.json

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: report.css

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>16
<FILENAME>0000927653-20-000013-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: 0000927653-20-000013-xbrl.zip

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<TYPE>XML
<SEQUENCE>17
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 17 - file: FilingSummary.html

Document 17 - RAW XML: FilingSummary.xml

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