    <SEC-DOCUMENT>0000764065-17-000171-index.html : 20171204
    <SEC-HEADER>0000764065-17-000171.hdr.sgml : 20171204
    <ACCEPTANCE-DATETIME>20171204172433
    ACCESSION NUMBER:		0000764065-17-000171
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		4
    CONFORMED PERIOD OF REPORT:	20171204
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20171204
    DATE AS OF CHANGE:		20171204

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CLEVELAND-CLIFFS INC.
    		CENTRAL INDEX KEY:			0000764065
    		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
    		IRS NUMBER:				341464672
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08944
    		FILM NUMBER:		171237949

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		STE. 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114-2315
    		BUSINESS PHONE:		216-694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		STE. 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114-2315

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CLIFFS NATURAL RESOURCES INC.
    		DATE OF NAME CHANGE:	20081015

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CLEVELAND CLIFFS INC
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a20171204-8xkxlaunch.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: a20171204-8xkxlaunch.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a20171204-8xkxlaunchxex991.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: a20171204-8xkxlaunchxex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>a20171204-8xkxlaunchxex992.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: a20171204-8xkxlaunchxex992.htm

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

    </DOCUMENT>
    </SEC-DOCUMENT>