Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000764065-26-000025-index-headers.html | 2026-02-09 16:28:05 | |
| 0000764065-26-000025-index.html | 2026-02-09 16:28:05 | |
| 0000764065-26-000025.txt | 2026-02-09 16:28:05 | |
 0000764065-26-000025-xbrl.zip | 2637736 | 2026-02-09 16:28:05 |
| clf-202123110xkex22.htm | 34031 | 2026-02-09 16:28:05 |
| clf-20251231.htm | 3819290 | 2026-02-09 16:28:05 |
| clf-20251231.xsd | 104981 | 2026-02-09 16:28:05 |
| clf-2025123110xkex21.htm | 33209 | 2026-02-09 16:28:05 |
| clf-2025123110xkex231.htm | 2315 | 2026-02-09 16:28:05 |
| clf-2025123110xkex232.htm | 8421 | 2026-02-09 16:28:05 |
| clf-2025123110xkex233.htm | 8419 | 2026-02-09 16:28:05 |
| clf-2025123110xkex234.htm | 8450 | 2026-02-09 16:28:05 |
| clf-2025123110xkex24.htm | 10502 | 2026-02-09 16:28:05 |
| clf-2025123110xkex311.htm | 10584 | 2026-02-09 16:28:05 |
| clf-2025123110xkex312.htm | 10492 | 2026-02-09 16:28:05 |
| clf-2025123110xkex321.htm | 6472 | 2026-02-09 16:28:05 |
| clf-2025123110xkex322.htm | 6538 | 2026-02-09 16:28:05 |
| clf-2025123110xkex95.htm | 99904 | 2026-02-09 16:28:05 |
| clf-20251231_cal.xml | 173383 | 2026-02-09 16:28:05 |
| clf-20251231_def.xml | 707966 | 2026-02-09 16:28:05 |
 clf-20251231_g1.jpg | 42668 | 2026-02-09 16:28:05 |
 clf-20251231_g10.jpg | 7072 | 2026-02-09 16:28:05 |
 clf-20251231_g11.jpg | 6980 | 2026-02-09 16:28:05 |
 clf-20251231_g12.jpg | 10382 | 2026-02-09 16:28:05 |
 clf-20251231_g2.jpg | 39807 | 2026-02-09 16:28:05 |
 clf-20251231_g3.jpg | 1411294 | 2026-02-09 16:28:05 |
 clf-20251231_g4.jpg | 291477 | 2026-02-09 16:28:05 |
 clf-20251231_g5.jpg | 303186 | 2026-02-09 16:28:05 |
 clf-20251231_g6.jpg | 147906 | 2026-02-09 16:28:05 |
 clf-20251231_g7.jpg | 195059 | 2026-02-09 16:28:05 |
 clf-20251231_g8.jpg | 114306 | 2026-02-09 16:28:05 |
 clf-20251231_g9.jpg | 9456 | 2026-02-09 16:28:05 |
| clf-20251231_htm.xml | 4089633 | 2026-02-09 16:28:05 |
| clf-20251231_lab.xml | 1374491 | 2026-02-09 16:28:05 |
| clf-20251231_pre.xml | 1087523 | 2026-02-09 16:28:05 |
| FilingSummary.xml | 81148 | 2026-02-09 16:28:05 |
| MetaLinks.json | 1906266 | 2026-02-09 16:28:05 |
| R1.htm | 67129 | 2026-02-09 16:28:05 |
| R10.htm | 90828 | 2026-02-09 16:28:05 |
| R100.htm | 18726 | 2026-02-09 16:28:05 |
| R101.htm | 14149 | 2026-02-09 16:28:05 |
| R102.htm | 27979 | 2026-02-09 16:28:05 |
| R103.htm | 93605 | 2026-02-09 16:28:05 |
| R104.htm | 25063 | 2026-02-09 16:28:05 |
| R105.htm | 13574 | 2026-02-09 16:28:05 |
| R106.htm | 42883 | 2026-02-09 16:28:05 |
| R107.htm | 25725 | 2026-02-09 16:28:05 |
| R108.htm | 8994 | 2026-02-09 16:28:05 |
| R109.htm | 24230 | 2026-02-09 16:28:05 |
| R11.htm | 76501 | 2026-02-09 16:28:05 |
| R110.htm | 31377 | 2026-02-09 16:28:05 |
| R111.htm | 13861 | 2026-02-09 16:28:05 |
| R112.htm | 22920 | 2026-02-09 16:28:05 |
| R113.htm | 61846 | 2026-02-09 16:28:05 |
| R114.htm | 15090 | 2026-02-09 16:28:05 |
| R115.htm | 13828 | 2026-02-09 16:28:05 |
| R116.htm | 16242 | 2026-02-09 16:28:05 |
| R117.htm | 22059 | 2026-02-09 16:28:05 |
| R118.htm | 15705 | 2026-02-09 16:28:05 |
| R119.htm | 20582 | 2026-02-09 16:28:05 |
| R12.htm | 51158 | 2026-02-09 16:28:05 |
| R120.htm | 13237 | 2026-02-09 16:28:05 |
| R121.htm | 23487 | 2026-02-09 16:28:05 |
| R122.htm | 19416 | 2026-02-09 16:28:05 |
| R123.htm | 63755 | 2026-02-09 16:28:05 |
| R124.htm | 58000 | 2026-02-09 16:28:05 |
| R125.htm | 31690 | 2026-02-09 16:28:05 |
| R126.htm | 93151 | 2026-02-09 16:28:05 |
| R127.htm | 7221 | 2026-02-09 16:28:05 |
| R128.htm | 17189 | 2026-02-09 16:28:05 |
| R129.htm | 11072 | 2026-02-09 16:28:05 |
| R13.htm | 157487 | 2026-02-09 16:28:05 |
| R14.htm | 28010 | 2026-02-09 16:28:05 |
| R15.htm | 63968 | 2026-02-09 16:28:05 |
| R16.htm | 94993 | 2026-02-09 16:28:05 |
| R17.htm | 407307 | 2026-02-09 16:28:05 |
| R18.htm | 93834 | 2026-02-09 16:28:05 |
| R19.htm | 171635 | 2026-02-09 16:28:05 |
| R2.htm | 7774 | 2026-02-09 16:28:05 |
| R20.htm | 65824 | 2026-02-09 16:28:05 |
| R21.htm | 33011 | 2026-02-09 16:28:05 |
| R22.htm | 45533 | 2026-02-09 16:28:05 |
| R23.htm | 36167 | 2026-02-09 16:28:05 |
| R24.htm | 13759 | 2026-02-09 16:28:05 |
| R25.htm | 54719 | 2026-02-09 16:28:05 |
| R26.htm | 14666 | 2026-02-09 16:28:05 |
| R27.htm | 39264 | 2026-02-09 16:28:05 |
| R28.htm | 23222 | 2026-02-09 16:28:05 |
| R29.htm | 5166 | 2026-02-09 16:28:05 |
| R3.htm | 144703 | 2026-02-09 16:28:05 |
| R30.htm | 8465 | 2026-02-09 16:28:05 |
| R31.htm | 4371 | 2026-02-09 16:28:05 |
| R32.htm | 42464 | 2026-02-09 16:28:05 |
| R33.htm | 120609 | 2026-02-09 16:28:05 |
| R34.htm | 31658 | 2026-02-09 16:28:05 |
| R35.htm | 108796 | 2026-02-09 16:28:05 |
| R36.htm | 70882 | 2026-02-09 16:28:05 |
| R37.htm | 46307 | 2026-02-09 16:28:05 |
| R38.htm | 151143 | 2026-02-09 16:28:05 |
| R39.htm | 31517 | 2026-02-09 16:28:05 |
| R4.htm | 13947 | 2026-02-09 16:28:05 |
| R40.htm | 66946 | 2026-02-09 16:28:05 |
| R41.htm | 69600 | 2026-02-09 16:28:05 |
| R42.htm | 432367 | 2026-02-09 16:28:05 |
| R43.htm | 92984 | 2026-02-09 16:28:05 |
| R44.htm | 199709 | 2026-02-09 16:28:05 |
| R45.htm | 67247 | 2026-02-09 16:28:05 |
| R46.htm | 33336 | 2026-02-09 16:28:05 |
| R47.htm | 125983 | 2026-02-09 16:28:05 |
| R48.htm | 24165 | 2026-02-09 16:28:05 |
| R49.htm | 53988 | 2026-02-09 16:28:05 |
| R5.htm | 151237 | 2026-02-09 16:28:05 |
| R50.htm | 15443 | 2026-02-09 16:28:05 |
| R51.htm | 40991 | 2026-02-09 16:28:05 |
| R52.htm | 21142 | 2026-02-09 16:28:05 |
| R53.htm | 52859 | 2026-02-09 16:28:05 |
| R54.htm | 14348 | 2026-02-09 16:28:05 |
| R55.htm | 22249 | 2026-02-09 16:28:05 |
| R56.htm | 18375 | 2026-02-09 16:28:05 |
| R57.htm | 49364 | 2026-02-09 16:28:05 |
| R58.htm | 6136 | 2026-02-09 16:28:05 |
| R59.htm | 32396 | 2026-02-09 16:28:05 |
| R6.htm | 44084 | 2026-02-09 16:28:05 |
| R60.htm | 45414 | 2026-02-09 16:28:05 |
| R61.htm | 103759 | 2026-02-09 16:28:05 |
| R62.htm | 14411 | 2026-02-09 16:28:05 |
| R63.htm | 12274 | 2026-02-09 16:28:05 |
| R64.htm | 43208 | 2026-02-09 16:28:05 |
| R65.htm | 49602 | 2026-02-09 16:28:05 |
| R66.htm | 102053 | 2026-02-09 16:28:05 |
| R67.htm | 119566 | 2026-02-09 16:28:05 |
| R68.htm | 17634 | 2026-02-09 16:28:05 |
| R69.htm | 21032 | 2026-02-09 16:28:05 |
| R7.htm | 99933 | 2026-02-09 16:28:05 |
| R70.htm | 24409 | 2026-02-09 16:28:05 |
| R71.htm | 26774 | 2026-02-09 16:28:05 |
| R72.htm | 9990 | 2026-02-09 16:28:05 |
| R73.htm | 9466 | 2026-02-09 16:28:05 |
| R74.htm | 22378 | 2026-02-09 16:28:05 |
| R75.htm | 38601 | 2026-02-09 16:28:05 |
| R76.htm | 30315 | 2026-02-09 16:28:05 |
| R77.htm | 79113 | 2026-02-09 16:28:05 |
| R78.htm | 162789 | 2026-02-09 16:28:05 |
| R79.htm | 25270 | 2026-02-09 16:28:05 |
| R8.htm | 81117 | 2026-02-09 16:28:05 |
| R80.htm | 24589 | 2026-02-09 16:28:05 |
| R81.htm | 108616 | 2026-02-09 16:28:05 |
| R82.htm | 38054 | 2026-02-09 16:28:05 |
| R83.htm | 47077 | 2026-02-09 16:28:05 |
| R84.htm | 22466 | 2026-02-09 16:28:05 |
| R85.htm | 20851 | 2026-02-09 16:28:05 |
| R86.htm | 13701 | 2026-02-09 16:28:05 |
| R87.htm | 21475 | 2026-02-09 16:28:05 |
| R88.htm | 9362 | 2026-02-09 16:28:05 |
| R89.htm | 6694 | 2026-02-09 16:28:05 |
| R9.htm | 60073 | 2026-02-09 16:28:05 |
| R90.htm | 35240 | 2026-02-09 16:28:05 |
| R91.htm | 146819 | 2026-02-09 16:28:05 |
| R92.htm | 37096 | 2026-02-09 16:28:05 |
| R93.htm | 4474 | 2026-02-09 16:28:05 |
| R94.htm | 38000 | 2026-02-09 16:28:05 |
| R95.htm | 14410 | 2026-02-09 16:28:05 |
| R96.htm | 46605 | 2026-02-09 16:28:05 |
| R97.htm | 37087 | 2026-02-09 16:28:05 |
| R98.htm | 26679 | 2026-02-09 16:28:05 |
| R99.htm | 34907 | 2026-02-09 16:28:05 |
| report.css | 2768 | 2026-02-09 16:28:05 |
| Show.js | 1086 | 2026-02-09 16:28:05 |
 slr.jpg | 8815 | 2026-02-09 16:28:05 |
 slr1.jpg | 8815 | 2026-02-09 16:28:05 |
 slr2.jpg | 8815 | 2026-02-09 16:28:05 |