Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000764065-21-000128-index-headers.html | 2021-04-22 07:04:58 | |
| 0000764065-21-000128-index.html | 2021-04-22 07:04:58 | |
| 0000764065-21-000128.txt | 2021-04-22 07:04:58 | |
 0000764065-21-000128-xbrl.zip | 26786 | 2021-04-22 07:04:58 |
 clevelandcliffsincreportss.jpg | 280827 | 2021-04-22 07:04:58 |
| clf-20210422.htm | 39777 | 2021-04-22 07:04:58 |
| clf-20210422.xsd | 2464 | 2021-04-22 07:04:58 |
| clf-20210422_cal.xml | 747 | 2021-04-22 07:04:58 |
| clf-20210422_def.xml | 1688 | 2021-04-22 07:04:58 |
| clf-20210422_htm.xml | 11554 | 2021-04-22 07:04:58 |
| clf-20210422_lab.xml | 25298 | 2021-04-22 07:04:58 |
| clf-20210422_pre.xml | 13227 | 2021-04-22 07:04:58 |
| clf-20213318xkex991.htm | 183124 | 2021-04-22 07:04:58 |
| FilingSummary.xml | 1743 | 2021-04-22 07:04:58 |
| Financial_Report.xlsx | 5688 | 2021-04-22 07:04:58 |
| MetaLinks.json | 18172 | 2021-04-22 07:04:58 |
| R1.htm | 40163 | 2021-04-22 07:04:58 |
| report.css | 2767 | 2021-04-22 07:04:58 |
| Show.js | 1085 | 2021-04-22 07:04:58 |