Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000764065-21-000056-index-headers.html | 2021-02-11 08:18:56 | |
| 0000764065-21-000056-index.html | 2021-02-11 08:18:56 | |
| 0000764065-21-000056.txt | 2021-02-11 08:18:56 | |
 0000764065-21-000056-xbrl.zip | 53231 | 2021-02-11 08:18:56 |
| a20210211-8xkex51.htm | 4107 | 2021-02-11 08:18:56 |
 a20210211-8xkex51001.jpg | 217476 | 2021-02-11 08:18:56 |
| a20210211-8xkxex11.htm | 272116 | 2021-02-11 08:18:56 |
| clf-20210211.htm | 41603 | 2021-02-11 08:18:56 |
| clf-20210211.xsd | 2485 | 2021-02-11 08:18:56 |
| clf-20210211_cal.xml | 761 | 2021-02-11 08:18:56 |
| clf-20210211_def.xml | 1702 | 2021-02-11 08:18:56 |
| clf-20210211_htm.xml | 11554 | 2021-02-11 08:18:56 |
| clf-20210211_lab.xml | 26305 | 2021-02-11 08:18:56 |
| clf-20210211_pre.xml | 13782 | 2021-02-11 08:18:56 |
| FilingSummary.xml | 1788 | 2021-02-11 08:18:56 |
| Financial_Report.xlsx | 5467 | 2021-02-11 08:18:56 |
| MetaLinks.json | 18903 | 2021-02-11 08:18:56 |
| R1.htm | 40163 | 2021-02-11 08:18:56 |
| report.css | 2767 | 2021-02-11 08:18:56 |
| Show.js | 1085 | 2021-02-11 08:18:56 |