<SEC-DOCUMENT>0000062709-22-000078-index.html : 20221020
<SEC-HEADER>0000062709-22-000078.hdr.sgml : 20221020
<ACCEPTANCE-DATETIME>20221020070301
ACCESSION NUMBER:		0000062709-22-000078
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20221020
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20221020
DATE AS OF CHANGE:		20221020

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARSH & MCLENNAN COMPANIES, INC.
		CENTRAL INDEX KEY:			0000062709
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				362668272
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05998
		FILM NUMBER:		221319740

	BUSINESS ADDRESS:	
		STREET 1:		1166 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		2123455000

	MAIL ADDRESS:	
		STREET 1:		1166 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARSH & MCLENNAN COMPANIES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MARLENNAN CORP
		DATE OF NAME CHANGE:	19760505
</SEC-HEADER>
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<TYPE>8-K
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<FILENAME>mmc-20221020.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: mmc-20221020.htm

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<TYPE>EX-99.1
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<FILENAME>mmc3q2022ex991newsrelease.htm
<DESCRIPTION>PRESS RELEASE SEPTEMBER 30, 2022
<TEXT>
Document 2 - file: mmc3q2022ex991newsrelease.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>mmc-20221020.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: mmc-20221020.xsd

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<DOCUMENT>
<TYPE>EX-101.DEF
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<FILENAME>mmc-20221020_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: mmc-20221020_def.xml

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<TEXT>
Document 5 - file: mmc-20221020_lab.xml

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<TYPE>EX-101.PRE
<SEQUENCE>6
<FILENAME>mmc-20221020_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 6 - file: mmc-20221020_pre.xml

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<DESCRIPTION>MMC LOGO
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Document 7 - file: marshmclennanlogo.jpg

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<DESCRIPTION>MMC LOGO
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<TEXT>
Document 9 - file: R1.htm

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<TYPE>XML
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Document 10 - file: mmc-20221020_htm.html

Document 10 - RAW XML: mmc-20221020_htm.xml

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<TYPE>EXCEL
<SEQUENCE>11
<FILENAME>Financial_Report.xlsx
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<TEXT>
Document 11 - file: Financial_Report.xlsx

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<SEQUENCE>12
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Document 12 - file: Show.js

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: report.css

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>FilingSummary.xml
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<TEXT>
Document 14 - file: FilingSummary.html

Document 14 - RAW XML: FilingSummary.xml

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<DOCUMENT>
<TYPE>JSON
<SEQUENCE>16
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: MetaLinks.json

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>17
<FILENAME>0000062709-22-000078-xbrl.zip
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<TEXT>
Document 17 - file: 0000062709-22-000078-xbrl.zip

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