<SEC-DOCUMENT>0001193125-21-352723-index.html : 20211209
<SEC-HEADER>0001193125-21-352723.hdr.sgml : 20211209
<ACCEPTANCE-DATETIME>20211209163722
ACCESSION NUMBER:		0001193125-21-352723
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20211209
DATE AS OF CHANGE:		20211209

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Merck & Co., Inc.
		CENTRAL INDEX KEY:			0000310158
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				221918501
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-254703
		FILM NUMBER:		211482400

	BUSINESS ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033
		BUSINESS PHONE:		908-740-4000

	MAIL ADDRESS:	
		STREET 1:		2000 GALLOPING HILL ROAD
		CITY:			KENILWORTH
		STATE:			NJ
		ZIP:			07033

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Merck & Co. Inc.
		DATE OF NAME CHANGE:	20091103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCHERING PLOUGH CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d128376d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d128376d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g128376g11i11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g128376g11i11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g128376g22i22.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g128376g22i22.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g128376g68m67.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g128376g68m67.jpg

</DOCUMENT>
</SEC-DOCUMENT>