    <SEC-DOCUMENT>0001193125-21-003460-index.html : 20210107
    <SEC-HEADER>0001193125-21-003460.hdr.sgml : 20210107
    <ACCEPTANCE-DATETIME>20210106203053
    ACCESSION NUMBER:		0001193125-21-003460
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20210106
    FILED AS OF DATE:		20210107
    DATE AS OF CHANGE:		20210106

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CEMEX SAB DE CV
    		CENTRAL INDEX KEY:			0001076378
    		STANDARD INDUSTRIAL CLASSIFICATION:	CEMENT, HYDRAULIC [3241]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			O5
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-14946
    		FILM NUMBER:		21512615

    	BUSINESS ADDRESS:
    		STREET 1:		AVE. CONSTITUTION 444 PTE
    		CITY:			MONTERREY, NUEVO LEON
    		STATE:			O5
    		ZIP:			64000
    		BUSINESS PHONE:		52(81)83283000

    	MAIL ADDRESS:
    		STREET 1:		AVE. CONSTITUTION 444 PTE
    		CITY:			MONTERREY, NUEVO LEON
    		STATE:			O5
    		ZIP:			64000

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CEMEX SA DE CV
    		DATE OF NAME CHANGE:	19990810
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>d887080d6k.htm
    <DESCRIPTION>6-K
    <TEXT>
    Document 1 - file: d887080d6k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>d887080dex991.htm
    <DESCRIPTION>EXHIBIT 1
    <TEXT>
    Document 2 - file: d887080dex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g887080g01n64.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g887080g01n64.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g887080g02g41.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g887080g02g41.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g887080g03r15.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g887080g03r15.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>