<SEC-DOCUMENT>0000764065-21-000058-index.html : 20210217
<SEC-HEADER>0000764065-21-000058.hdr.sgml : 20210217
<ACCEPTANCE-DATETIME>20210217160819
ACCESSION NUMBER:		0000764065-21-000058
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20210217
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210217
DATE AS OF CHANGE:		20210217

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:		21644795

	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>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>clf-20210217.htm
<DESCRIPTION>8-K
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Document 1 - file: clf-20210217.htm
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>6 <FILENAME>clf-20210217_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 6 - file: clf-20210217_pre.xml
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Document 7 - RAW XML: clf-20210217_htm.xml
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</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>9 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: Financial_Report.xlsx
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Document 12 - RAW XML: FilingSummary.xml
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</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>15 <FILENAME>0000764065-21-000058-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: 0000764065-21-000058-xbrl.zip
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