<SEC-DOCUMENT>0000927653-21-000022.txt : 20210419
<SEC-HEADER>0000927653-21-000022.hdr.sgml : 20210419
<ACCEPTANCE-DATETIME>20210419162355
ACCESSION NUMBER:		0000927653-21-000022
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		17
CONFORMED PERIOD OF REPORT:	20210415
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210419
DATE AS OF CHANGE:		20210419

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:		21834883

	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-20210415.htm
<DESCRIPTION>8-K
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Employer<br/>Identification No.)</span></td></tr></table></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzI0_c19d1952-c374-4478-ae9c-5ae3fe03284e">6555 State Hwy 161</ix:nonNumeric> </span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzI1_8d4cbf9c-688b-4fe8-8017-50398b602967">Irving</ix:nonNumeric>, <ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzI2_71dda2ab-149c-4cfe-9c07-38ae80634b52">TX</ix:nonNumeric> <ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzI3_aa5c1bf2-bc85-4b39-a3c3-5b8952aaa002">75039</ix:nonNumeric> </span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">(Address of Principal Executive Offices, and Zip Code)</span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(<ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzI4_6f635b37-97d7-42fb-8933-0a315ab489a6">972</ix:nonNumeric>) <ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzI5_4d4bd54e-a0f1-438a-83b2-280d0b038110">446-4800</ix:nonNumeric> </span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">Registrant&#8217;s Telephone Number, Including Area Code</span></div><div style="margin-bottom:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Not Applicable</span></div><div style="margin-bottom:9pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">(Former Name or Former Address, if Changed Since Last Report)</span></div><div style="margin-bottom:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-style:italic;font-weight:400;line-height:120%">see</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%"> General Instruction A.2. below):</span></div><div style="margin-bottom:3pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:0.1%"></td><td style="width:2.728%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:95.972%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6MWEwZGY3YmVkNGVhNDMxOTliOGJiOWE4NWQ1Y2YyNGMvdGFibGVyYW5nZToxYTBkZjdiZWQ0ZWE0MzE5OWI4YmI5YTg1ZDVjZjI0Y18wLTAtMS0xLTA_9886c315-b6df-49de-9c5d-e388c286cb94">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%">Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:14pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6MWEwZGY3YmVkNGVhNDMxOTliOGJiOWE4NWQ1Y2YyNGMvdGFibGVyYW5nZToxYTBkZjdiZWQ0ZWE0MzE5OWI4YmI5YTg1ZDVjZjI0Y18xLTAtMS0xLTA_1c7403c3-ddd1-4c38-97ee-ff07963be6e0">&#9744;</ix:nonNumeric></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:14pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6MWEwZGY3YmVkNGVhNDMxOTliOGJiOWE4NWQ1Y2YyNGMvdGFibGVyYW5nZToxYTBkZjdiZWQ0ZWE0MzE5OWI4YmI5YTg1ZDVjZjI0Y18yLTAtMS0xLTA_36df6b28-0867-49e6-94f4-2c35af2d5bca">&#9744;</ix:nonNumeric></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%">Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><div style="margin-bottom:14pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6MWEwZGY3YmVkNGVhNDMxOTliOGJiOWE4NWQ1Y2YyNGMvdGFibGVyYW5nZToxYTBkZjdiZWQ0ZWE0MzE5OWI4YmI5YTg1ZDVjZjI0Y18zLTAtMS0xLTA_eedd0cea-6298-49b5-b107-8ae5df9e4e2d">&#9744;</ix:nonNumeric></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:100%">Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></td></tr></table></div><div style="margin-top:7pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:700;line-height:120%">Securities registered pursuant to Section&#160;12(b) of the Act:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:30.286%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.719%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:30.286%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.719%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:30.290%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Title&#160;of&#160;each&#160;class</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Trading<br/>Symbol(s)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Name&#160;of&#160;each&#160;exchange<br/>on&#160;which&#160;registered</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9af832376bf24c7f9b78bf6a15f39495_D20210415-20210415" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8xLTAtMS0xLTA_6bc893dc-107e-4482-830e-2d97dbbbf062">Common stock, $0.01 par value</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9af832376bf24c7f9b78bf6a15f39495_D20210415-20210415" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8xLTItMS0xLTA_711a738e-7a91-4d94-ad0e-300dd2abe949">MCK</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9af832376bf24c7f9b78bf6a15f39495_D20210415-20210415" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8xLTQtMS0xLTA_ae910edd-d32d-4bb9-b952-09cb0616048f">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i7a715a1da3c4476ca62a72d4e8b86dd9_D20210415-20210415" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8yLTAtMS0xLTA_a76b9d2c-9e04-433a-9f90-5d2fac7c8d35">0.625% Notes due 2021</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i7a715a1da3c4476ca62a72d4e8b86dd9_D20210415-20210415" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8yLTItMS0xLTA_7dd1dcdb-e512-47d4-ae4e-46b73024a90c">MCK21A</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i7a715a1da3c4476ca62a72d4e8b86dd9_D20210415-20210415" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8yLTQtMS0xLTA_df7a9004-f1bf-4739-a7ef-b1136f961de8">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ib2fd34d31f4e4df5b265547c25fca305_D20210415-20210415" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8zLTAtMS0xLTA_a92867c2-d318-4d93-9060-e331be5983ed">1.500% Notes due 2025</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ib2fd34d31f4e4df5b265547c25fca305_D20210415-20210415" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8zLTItMS0xLTA_aaacee8b-89af-45e8-9f36-d2f33680cd1e">MCK25</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ib2fd34d31f4e4df5b265547c25fca305_D20210415-20210415" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8zLTQtMS0xLTA_2e68d2d7-2dc9-4828-852d-549e9584daf1">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i53b6430d1e2a45c58650eda7eee19f66_D20210415-20210415" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF80LTAtMS0xLTA_01acc440-45f5-4fe3-8eb5-8665517021e8">1.625% Notes due 2026</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i53b6430d1e2a45c58650eda7eee19f66_D20210415-20210415" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF80LTItMS0xLTA_a504c96d-2a2a-471e-aafd-af309d01b0f8">MCK26</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i53b6430d1e2a45c58650eda7eee19f66_D20210415-20210415" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF80LTQtMS0xLTA_d224078d-2ab8-4168-97b7-866fd183b5f3">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i109345e8d61347ac934a10c626bf610b_D20210415-20210415" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF81LTAtMS0xLTA_ab620ab7-fc9a-4dee-acfd-8070dbd584b6">3.125% Notes due 2029</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i109345e8d61347ac934a10c626bf610b_D20210415-20210415" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF81LTItMS0xLTA_666c107c-ead1-4c65-8c24-5ce518c2ef21">MCK29</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i109345e8d61347ac934a10c626bf610b_D20210415-20210415" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF81LTQtMS0xLTA_807c310e-de2d-4a03-b9dd-9592fb331ff4">New York Stock Exchange</ix:nonNumeric></span></td></tr></table></div><div style="margin-bottom:3pt;margin-top:4pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR &#167;230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR &#167;240.12b-2). </span></div><div style="margin-bottom:3pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">Emerging growth company&#160;&#160;<ix:nonNumeric contextRef="i10bf2a520dd247f9bf517abed5051117_D20210415-20210415" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzIy_7186e6b9-7bc9-4578-96fe-7f5d8c76509b">&#9744;</ix:nonNumeric> </span></div><div style="margin-bottom:12pt;margin-top:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&#160;13(a) of the Exchange Act.&#160;&#160;&#9744;</span><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:5pt"><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td></tr></table></div><div style="height:22.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i7da66edaad1240ecb08cd8e36a742c9e_7"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="-sec-extract:summary"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:12.576%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:85.224%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Item 5.02</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</span></div></td></tr></table></div><div style="margin-bottom:12pt;margin-top:4pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">On April 15, 2021, Dr. N. Anthony Coles informed the Company that he will not stand for re-election at the Company&#8217;s 2021 Annual Meeting. Dr. Coles has served as a member of the Board since 2014 and currently serves as a member of the Compensation Committee and the Finance Committee. Dr. Coles will continue to serve as a director and in his committee roles until the 2021 Annual Meeting, to be held on July 23, 2021.   The Board expressed its appreciation to Dr. Coles for his service to the Company.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:12.576%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:85.224%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Item 7.01</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Regulation FD Disclosure.</span></div></td></tr></table></div><div style="margin-bottom:12pt;margin-top:4pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">On April 19, 2021, the Company posted on its website (https://www.mckesson.com/About-McKesson/Newsroom/Press-Releases/ and https://investor.mckesson.com/news/default.aspx) a press release announcing that Dr. Coles informed the Company that he will not stand for re-election at the Company&#8217;s 2021 Annual Meeting. A copy of that press release is attached hereto as Exhibit 99.1.</span></div><div style="margin-bottom:12pt;margin-top:4pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">The information contained in this item, including Exhibit 99.1, is furnished to the Commission, but shall not be deemed &#8220;filed&#8221; with the Commission for purposes of Section 18 of the Securities Exchange Act of 1934 (&#8220;Exchange Act&#8221;), or incorporated by reference in any filing under the Exchange Act or the Securities Act of 1933, except as expressly stated in any such filing.</span></div><div style="margin-bottom:12pt;margin-top:4pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:12.576%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:85.224%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Item 9.01</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%">Financial Statements and Exhibits.</span></div></td></tr></table></div><div style="margin-bottom:3pt;margin-top:4pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.75pt;font-weight:400;line-height:120%">(d) Exhibits.</span></div><div style="margin-top:9pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:86.036%"></td><td style="width:0.1%"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Exhibit&#160;No.</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Description</span></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="6" style="padding:0 1pt"></td></tr><tr><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99.1&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="ex991-50204x19x21mckessona.htm">Press release posted by McKesson Corporation on April 19, 2021</a></span></div></td></tr><tr><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">104&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Cover Page Interactive Data File - 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<title>Document</title></head><body><div id="i41b0b478697546d68dd9ad47fa8466f6_38"></div><div style="min-height:49.46pt;width:100%"><div><font><br></font></div><div><font style="color:#000000;font-family:'Georgia',serif;font-size:10pt;font-weight:700;line-height:120%">Press Release</font></div><div style="text-align:right"><font><br></font></div></div><div><font><br></font></div><div style="text-align:right"><img alt="mckessonlogoa031a.jpg" src="mckessonlogoa031a.jpg" style="height:36px;margin-bottom:5pt;vertical-align:text-bottom;width:244px"></div><div style="text-align:right"><font><br></font></div><div style="text-align:right"><font><br></font></div><div><font style="color:#005a8c;font-family:'Arial',sans-serif;font-size:16pt;font-weight:700;line-height:120%">McKesson Announces N. Anthony Coles, M.D. will not stand </font></div><div><font style="color:#005a8c;font-family:'Arial',sans-serif;font-size:16pt;font-weight:700;line-height:120%">for re-election to McKesson Board of Directors</font></div><div><font><br></font></div><div><font style="color:#005a8c;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:127%">IRVING, Texas, April 19, 2021  </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:127%">&#8212; McKesson Corporation today announced that N. Anthony Coles, M.D., informed the company he will not stand for re-election to the McKesson Board of Directors at its annual shareholders meeting on July 23, 2021. </font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:127%">Dr. Coles was elected to the McKesson Board of Directors in 2014 and currently serves as chair of the Compensation Committee and a member of the Finance Committee.</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:127%">&#160;&#160;&#160;&#160;</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:127%">&#8220;Tony has brought tremendous insight to our Board through his deep experience in healthcare and the biopharmaceutical fields. He has been a trusted advisor on matters related to our business operations as well as critical issues such as governance, sustainability and diversity, equity and inclusion,&#8221; said Brian Tyler, chief executive officer, McKesson. &#8220;McKesson supports Tony&#8217;s decision not to stand for re-election given his broadened responsibilities as chief executive officer and chairman of the Board of Directors of Cerevel Therapeutics, which debuted as a publicly traded company in 2020. On behalf of our entire organization, I want to thank Tony for his many contributions and wish him continued success in the future.&#8221;</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:127%">&#8220;Tony&#8217;s expertise and perspective as a physician and chief executive have been invaluable over the past seven years during a period of significant transformation for McKesson,&#8221; said Edward Mueller, lead independent director on McKesson&#8217;s Board of Directors. &#8220;We are grateful for his leadership in advancing McKesson&#8217;s strategic growth initiatives and commitment to making better care possible around the world.&#8221; </font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Georgia',serif;font-size:10pt;font-weight:400;line-height:140%">###</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Georgia',serif;font-size:8pt;font-weight:700;line-height:175%">About McKesson Corporation</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">McKesson Corporation is a global leader in healthcare supply chain management solutions, retail pharmacy, community oncology and specialty care, and healthcare information solutions. McKesson partners with pharmaceutical manufacturers, providers, pharmacies, governments and other organizations in healthcare to help provide the right medicines, medical products and healthcare services to the right patients at the right time, safely and cost-effectively. United by our ICARE shared principles, our employees work every day to innovate and deliver opportunities that make our customers and partners more successful - all for the better health of patients. McKesson has been named a &#8220;</font><font style="color:#0000ff;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%;text-decoration:underline">Most Admired Company</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">&#8221; in the healthcare wholesaler category by FORTUNE, a &#8220;</font><font style="color:#0000ff;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%;text-decoration:underline">Best Place to Work</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">&#8221; by the Human Rights Campaign Foundation, and a top </font><font style="color:#0000ff;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%;text-decoration:underline">military-friendly company</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%"> by Military Friendly. For more information, visit </font><font style="color:#0000ff;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%;text-decoration:underline">https&#58;&#47;&#47;www.mckesson.com&#47;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">.</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">Holly Weiss, 972-969-9174 (Investors)</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">Holly.Weiss&#64;McKesson.com</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">David Matthews, 214-952-0833 (Media)</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:140%">David.Matthews&#64;McKesson.com</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
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  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_mck_A0.625notesDue2021Member_baac9bad-1fde-46dd-a5e4-33f44e5d2e25_terseLabel_en-US" xlink:label="lab_mck_A0.625notesDue2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">0.625% notes Due 2021 [Member]</link:label>
    <link:label id="lab_mck_A0.625notesDue2021Member_label_en-US" xlink:label="lab_mck_A0.625notesDue2021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">0.625% notes Due 2021 [Member]</link:label>
    <link:label id="lab_mck_A0.625notesDue2021Member_documentation_en-US" xlink:label="lab_mck_A0.625notesDue2021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">0.625% notes Due 2021 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mck_A0.625notesDue2021Member" xlink:href="mck-20210415.xsd#mck_A0.625notesDue2021Member"/>
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    <link:label id="lab_dei_EntityIncorporationStateCountryCode_ef7d4c37-d05e-443b-b241-368a04b8e577_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_ae1a9648-6a8a-42d4-8e5f-ccd9c32db1bc_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntitiesTable_3e55008c-32bc-4113-951a-7fe87363cf0a_terseLabel_en-US" xlink:label="lab_dei_EntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entities [Table]</link:label>
    <link:label id="lab_dei_EntitiesTable_label_en-US" xlink:label="lab_dei_EntitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitiesTable" xlink:to="lab_dei_EntitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SolicitingMaterial_39be71e4-a79a-463e-99d9-08b306622c26_terseLabel_en-US" xlink:label="lab_dei_SolicitingMaterial" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Soliciting Material</link:label>
    <link:label id="lab_dei_SolicitingMaterial_label_en-US" xlink:label="lab_dei_SolicitingMaterial" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Soliciting Material</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SolicitingMaterial" xlink:to="lab_dei_SolicitingMaterial" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_4a521c60-52a4-4465-ae98-c7adf4e1b4d4_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_6bab3bdd-94ef-43f2-8d05-b4c40a55c124_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_296038f1-8940-45c1-ad7a-1d987a49696e_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_097730ed-2d7b-43f9-93ae-8c22df7199e0_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_f84aee95-bff1-4633-a378-d36fb7d05c64_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber" xlink:to="lab_dei_EntityTaxIdentificationNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_05817ed0-addd-4dd2-8a64-57a59e8f8365_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_261f2adc-82d2-4655-8d37-8e796fcd7fad_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_927a53b0-f6e7-4d19-8a49-c80f930aa0a7_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_53671f81-090f-44df-8509-59bf5620072a_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_a11685b9-e1d6-49b8-832d-5e0b54538be7_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_c10f1979-270c-469c-aaf7-30f9a6d107ce_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressStateOrProvince_c6a0fe24-0575-49c3-ab38-18044e3c43fe_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_5ee3fd8b-e4b2-4eca-8ac3-b8c75868dbc4_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_b99e257c-c68c-4d57-91af-b495fb2575fc_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInformationLineItems_c840110b-d5cd-4104-915e-df44fb02aa09_terseLabel_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:label id="lab_dei_EntityInformationLineItems_label_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Information [Line Items]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="lab_dei_EntityInformationLineItems" xlink:type="arc" order="1"/>
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<DOCUMENT>
<TYPE>EX-101.PRE
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<FILENAME>mck-20210415_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
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      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8yLTQtMS0xLTA_df7a9004-f1bf-4739-a7ef-b1136f961de8">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="ib2fd34d31f4e4df5b265547c25fca305_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8zLTAtMS0xLTA_a92867c2-d318-4d93-9060-e331be5983ed">1.500% Notes due 2025</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="ib2fd34d31f4e4df5b265547c25fca305_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8zLTItMS0xLTA_aaacee8b-89af-45e8-9f36-d2f33680cd1e">MCK25</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="ib2fd34d31f4e4df5b265547c25fca305_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF8zLTQtMS0xLTA_2e68d2d7-2dc9-4828-852d-549e9584daf1">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="i53b6430d1e2a45c58650eda7eee19f66_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF80LTAtMS0xLTA_01acc440-45f5-4fe3-8eb5-8665517021e8">1.625% Notes due 2026</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i53b6430d1e2a45c58650eda7eee19f66_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF80LTItMS0xLTA_a504c96d-2a2a-471e-aafd-af309d01b0f8">MCK26</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i53b6430d1e2a45c58650eda7eee19f66_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF80LTQtMS0xLTA_d224078d-2ab8-4168-97b7-866fd183b5f3">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="i109345e8d61347ac934a10c626bf610b_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF81LTAtMS0xLTA_ab620ab7-fc9a-4dee-acfd-8070dbd584b6">3.125% Notes due 2029</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i109345e8d61347ac934a10c626bf610b_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF81LTItMS0xLTA_666c107c-ead1-4c65-8c24-5ce518c2ef21">MCK29</dei:TradingSymbol>
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      contextRef="i109345e8d61347ac934a10c626bf610b_D20210415-20210415"
      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGFibGU6OWE2ZDY4ZGI1NzgyNDI1OGJjNGM3NzM0ZjVmOGFiMzgvdGFibGVyYW5nZTo5YTZkNjhkYjU3ODI0MjU4YmM0Yzc3MzRmNWY4YWIzOF81LTQtMS0xLTA_807c310e-de2d-4a03-b9dd-9592fb331ff4">NYSE</dei:SecurityExchangeName>
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      id="id3VybDovL2RvY3MudjEvZG9jOjdkYTY2ZWRhYWQxMjQwZWNiMDhjZDhlMzZhNzQyYzllL3NlYzo3ZGE2NmVkYWFkMTI0MGVjYjA4Y2Q4ZTM2YTc0MmM5ZV8xL2ZyYWc6ZmIxMmI3NjAxYTUzNDYwMmE3M2UyYTBjODQ1ZjQ2MmYvdGV4dHJlZ2lvbjpmYjEyYjc2MDFhNTM0NjAyYTczZTJhMGM4NDVmNDYyZl8xMzIy_7186e6b9-7bc9-4578-96fe-7f5d8c76509b">false</dei:EntityEmergingGrowthCompany>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
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</head>
<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139825413953576">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Cover Page<br></strong></div></th>
<th class="th"><div>Apr. 15, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Apr. 15,  2021<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">McKESSON CORPORATION<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000927653<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">1-13252<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">94-3207296<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">6555 State Hwy 161<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Irving<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">TX<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">75039<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">972<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">446-4800<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common stock, $0.01 par value<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">MCK<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mck_A0.625notesDue2021Member', window );">0.625% notes Due 2021 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">0.625% Notes due 2021<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">MCK21A<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mck_A1.500NotesDue2025Member', window );">1.500% Notes Due 2025 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">1.500% Notes due 2025<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">MCK25<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mck_A1.625NotesDue2026Member', window );">1.625% Notes Due 2026 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">1.625% Notes due 2026<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">MCK26<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mck_A3.125NotesDue2029Member', window );">3.125% Notes Due 2029 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">3.125% Notes due 2029<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">MCK29<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
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<td>dei_</td>
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<td>xbrli:booleanItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td>xbrli:booleanItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>dei:securityTitleItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
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<td>dei_</td>
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<td>dei:edgarExchangeCodeItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
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<td>dei_</td>
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<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
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<td>dei_</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
