<SEC-DOCUMENT>0001193125-21-094554-index.html : 20210325
<SEC-HEADER>0001193125-21-094554.hdr.sgml : 20210325
<ACCEPTANCE-DATETIME>20210325164622
ACCESSION NUMBER:		0001193125-21-094554
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20210325
DATE AS OF CHANGE:		20210325
EFFECTIVENESS DATE:		20210325

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-254703
		FILM NUMBER:		21772980

	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>S-3ASR
<SEQUENCE>1
<FILENAME>d126908ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d126908ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>2
<FILENAME>d126908dex1.htm
<DESCRIPTION>EX-1
<TEXT>
Document 2 - file: d126908dex1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>3
<FILENAME>d126908dex5.htm
<DESCRIPTION>EX-5
<TEXT>
Document 3 - file: d126908dex5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.(A)
<SEQUENCE>4
<FILENAME>d126908dex23a.htm
<DESCRIPTION>EX-23.(A)
<TEXT>
Document 4 - file: d126908dex23a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25
<SEQUENCE>5
<FILENAME>d126908dex25.htm
<DESCRIPTION>EX-25
<TEXT>
Document 5 - file: d126908dex25.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g126908g68m67.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g126908g68m67.jpg

</DOCUMENT>
</SEC-DOCUMENT>