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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000764065-21-000131
Filing Date
2021-04-28
Accepted
2021-04-28 08:23:29
Documents
113
Period of Report
2021-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q clf-20210331.htm   iXBRL 10-Q 2064830
2 EX-4.1 clf-202133110xqex41.htm EX-4.1 900421
3 EX-22 clf-202133110xqex22.htm EX-22 48298
4 EX-31.1 clf-202133110xqex311.htm EX-31.1 11220
5 EX-31.2 clf-202133110xqex312.htm EX-31.2 10969
6 EX-32.1 clf-202133110xqex321.htm EX-32.1 6695
7 EX-32.2 clf-202133110xqex322.htm EX-32.2 6529
8 EX-95 clf-202133110xqex95.htm EX-95 103075
14 clf-20210331_g1.jpg GRAPHIC 19593
15 clf-20210331_g2.jpg GRAPHIC 18239
16 clf-20210331_g3.jpg GRAPHIC 23672
17 clf-20210331_g4.jpg GRAPHIC 19968
18 clf-20210331_g5.jpg GRAPHIC 55515
19 clf-20210331_g6.jpg GRAPHIC 51376
  Complete submission text file 0000764065-21-000131.txt   12651015

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT clf-20210331.xsd EX-101.SCH 70132
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT clf-20210331_cal.xml EX-101.CAL 132561
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT clf-20210331_def.xml EX-101.DEF 377489
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT clf-20210331_lab.xml EX-101.LAB 791753
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT clf-20210331_pre.xml EX-101.PRE 577991
20 EXTRACTED XBRL INSTANCE DOCUMENT clf-20210331_htm.xml XML 2238670
Mailing Address 200 PUBLIC SQUARE STE. 3300 CLEVELAND OH 44114-2315
Business Address 200 PUBLIC SQUARE STE. 3300 CLEVELAND OH 44114-2315 216-694-5700
CLEVELAND-CLIFFS INC. (Filer) CIK: 0000764065 (see all company filings)

IRS No.: 341464672 | State of Incorp.: OH | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08944 | Film No.: 21861456
SIC: 1000 Metal Mining
Office of Energy & Transportation