<SEC-DOCUMENT>0000950170-22-026614-index.html : 20221215
<SEC-HEADER>0000950170-22-026614.hdr.sgml : 20221215
<ACCEPTANCE-DATETIME>20221215162039
ACCESSION NUMBER:		0000950170-22-026614
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20221212
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
FILED AS OF DATE:		20221215
DATE AS OF CHANGE:		20221215

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
		CENTRAL INDEX KEY:			0000916076
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12744
		FILM NUMBER:		221465074

	BUSINESS ADDRESS:	
		STREET 1:		4123 PARKLAKE AVE
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612
		BUSINESS PHONE:		919-781-4550

	MAIL ADDRESS:	
		STREET 1:		4123 PARKLAKE AVE
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612
</SEC-HEADER>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>mlm-20221212.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: mlm-20221212.htm
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>3 <FILENAME>mlm-20221212_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 3 - file: mlm-20221212_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>4 <FILENAME>mlm-20221212_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 4 - file: mlm-20221212_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>5 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 5 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>6 <FILENAME>mlm-20221212_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 6 - file: mlm-20221212_htm.html
Document 6 - RAW XML: mlm-20221212_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>7 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 7 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>8 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 8 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>9 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>10 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: FilingSummary.html
Document 10 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>12 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>13 <FILENAME>0000950170-22-026614-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: 0000950170-22-026614-xbrl.zip
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