<SEC-DOCUMENT>0000764065-21-000050-index.html : 20210209 <SEC-HEADER>0000764065-21-000050.hdr.sgml : 20210209 <ACCEPTANCE-DATETIME>20210209171320 ACCESSION NUMBER: 0000764065-21-000050 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 22 CONFORMED PERIOD OF REPORT: 20210209 ITEM INFORMATION: Other Events ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20210209 DATE AS OF CHANGE: 20210209 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: 21607801 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>clf-20210209.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: clf-20210209.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>a20210209-8xkxex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: a20210209-8xkxex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>a20210209-8xkxex992.htm <DESCRIPTION>EX-99.2 <TEXT> Document 3 - file: a20210209-8xkxex992.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>4 <FILENAME>clf-20210209.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 4 - file: clf-20210209.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>5 <FILENAME>clf-20210209_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT <TEXT> Document 5 - file: clf-20210209_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>6 <FILENAME>clf-20210209_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT <TEXT> Document 6 - file: clf-20210209_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>7 <FILENAME>clf-20210209_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 7 - file: clf-20210209_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>8 <FILENAME>clf-20210209_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 8 - file: clf-20210209_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>a20210209-8xkxex991001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: a20210209-8xkxex991001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>a20210209-8xkxex991002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: a20210209-8xkxex991002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>a20210209-8xkxex991003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: a20210209-8xkxex991003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>a20210209-8xkxex992001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: a20210209-8xkxex992001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>a20210209-8xkxex992002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: a20210209-8xkxex992002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>a20210209-8xkxex992003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: a20210209-8xkxex992003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>15 <FILENAME>clf-20210209_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: clf-20210209_htm.html
Document 15 - RAW XML: clf-20210209_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>17 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 17 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>18 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>19 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 19 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>20 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 20 - file: FilingSummary.html
Document 20 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>22 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 22 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>23 <FILENAME>0000764065-21-000050-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 23 - file: 0000764065-21-000050-xbrl.zip
</DOCUMENT> </SEC-DOCUMENT>