<SEC-DOCUMENT>0000950123-07-002918-index.html : 20070228
<SEC-HEADER>0000950123-07-002918.hdr.sgml : 20070228
<ACCEPTANCE-DATETIME>20070228161700
ACCESSION NUMBER:		0000950123-07-002918
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		17
CONFORMED PERIOD OF REPORT:	20061231
FILED AS OF DATE:		20070228
DATE AS OF CHANGE:		20070228

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCK & CO INC
		CENTRAL INDEX KEY:			0000064978
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				221109110
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03305
		FILM NUMBER:		07657981

	BUSINESS ADDRESS:	
		STREET 1:		ONE MERCK DR
		STREET 2:		P O BOX 100
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889-0100
		BUSINESS PHONE:		9084231688

	MAIL ADDRESS:	
		STREET 1:		ONE MERCK DR
		STREET 2:		PO BOX 100 WS3AB-05
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889-0100
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K
<SEQUENCE>1
<FILENAME>y30486e10vk.htm
<DESCRIPTION>FORM 10-K
<TEXT>
Document 1 - file: y30486e10vk.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.4
<SEQUENCE>2
<FILENAME>y30486exv10w4.htm
<DESCRIPTION>EX-10.4: 1996 INCENTIVE STOCK PLAN
<TEXT>
Document 2 - file: y30486exv10w4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.5
<SEQUENCE>3
<FILENAME>y30486exv10w5.htm
<DESCRIPTION>EX-10.5: 2001 INCENTIVE STOCK PLAN
<TEXT>
Document 3 - file: y30486exv10w5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.6
<SEQUENCE>4
<FILENAME>y30486exv10w6.htm
<DESCRIPTION>EX-10.6: 2004 INCENTIVE STOCK PLAN
<TEXT>
Document 4 - file: y30486exv10w6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.7
<SEQUENCE>5
<FILENAME>y30486exv10w7.htm
<DESCRIPTION>EX-10.7: 2007 INCENTIVE STOCK PLAN
<TEXT>
Document 5 - file: y30486exv10w7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.13
<SEQUENCE>6
<FILENAME>y30486exv10w13.htm
<DESCRIPTION>EX-10.13: 2006 NON-EMPLOYEE DIRECTORS STOCK OPTION PLAN
<TEXT>
Document 6 - file: y30486exv10w13.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.20
<SEQUENCE>7
<FILENAME>y30486exv10w20.htm
<DESCRIPTION>EX-10.20: LETTER AGREEMENT
<TEXT>
Document 7 - file: y30486exv10w20.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.21
<SEQUENCE>8
<FILENAME>y30486exv10w21.htm
<DESCRIPTION>EX-10.21: LETTER AGREEMENT
<TEXT>
Document 8 - file: y30486exv10w21.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12
<SEQUENCE>9
<FILENAME>y30486exv12.htm
<DESCRIPTION>EX-12: COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
<TEXT>
Document 9 - file: y30486exv12.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-21
<SEQUENCE>10
<FILENAME>y30486exv21.htm
<DESCRIPTION>EX-21: SUBSIDIARIES
<TEXT>
Document 10 - file: y30486exv21.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>11
<FILENAME>y30486exv24w1.htm
<DESCRIPTION>EX-24.1: POWER OF ATTORNEY
<TEXT>
Document 11 - file: y30486exv24w1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.2
<SEQUENCE>12
<FILENAME>y30486exv24w2.htm
<DESCRIPTION>EX-24.2: CERTIFIED RESOLUTION OF BOARD OF DIRECTORS
<TEXT>
Document 12 - file: y30486exv24w2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>13
<FILENAME>y30486exv31w1.htm
<DESCRIPTION>EX-31.1: CERTIFICATION
<TEXT>
Document 13 - file: y30486exv31w1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>14
<FILENAME>y30486exv31w2.htm
<DESCRIPTION>EX-31.2: CERTIFICATION
<TEXT>
Document 14 - file: y30486exv31w2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>15
<FILENAME>y30486exv32w1.htm
<DESCRIPTION>EX-32.1: CERTIFICATION
<TEXT>
Document 15 - file: y30486exv32w1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>16
<FILENAME>y30486exv32w2.htm
<DESCRIPTION>EX-32.2: CERTIFICATION
<TEXT>
Document 16 - file: y30486exv32w2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>y30486y3048601.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: y30486y3048601.gif

</DOCUMENT>
</SEC-DOCUMENT>