    <SEC-DOCUMENT>0001193125-19-279554-index.html : 20191031
    <SEC-HEADER>0001193125-19-279554.hdr.sgml : 20191031
    <ACCEPTANCE-DATETIME>20191031064643
    ACCESSION NUMBER:		0001193125-19-279554
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		18
    CONFORMED PERIOD OF REPORT:	20191031
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20191031
    DATE AS OF CHANGE:		20191031

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MACERICH CO
    		CENTRAL INDEX KEY:			0000912242
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				954448705
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12504
    		FILM NUMBER:		191182020

    	BUSINESS ADDRESS:
    		STREET 1:		401 WILSHIRE BLVD
    		STREET 2:		STE 700
    		CITY:			SANTA MONICA
    		STATE:			CA
    		ZIP:			90401
    		BUSINESS PHONE:		3103946000

    	MAIL ADDRESS:
    		STREET 1:		401 WILSHIRE BLVD SUITE 700
    		CITY:			SANTA MONICA
    		STATE:			CA
    		ZIP:			90401
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    <DESCRIPTION>EX-99.1
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    <FILENAME>d786458dex992.htm
    <DESCRIPTION>EX-99.2
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    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>mac-20191031.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
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    <FILENAME>mac-20191031_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
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    <SEQUENCE>12
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <SEQUENCE>13
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    <TYPE>JSON
    <SEQUENCE>14
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    <SEQUENCE>15
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