| Name | Size | Last Modified |
|---|
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| 0001193125-22-115219-index.html | | 2022-04-22 16:40:06 |
| 0001193125-22-115219.txt | | 2022-04-22 16:40:06 |
 0001193125-22-115219-xbrl.zip | 16217 | 2022-04-22 16:40:06 |
| ctl-20220419.xsd | 3921 | 2022-04-22 16:40:06 |
| ctl-20220419_def.xml | 13272 | 2022-04-22 16:40:06 |
| ctl-20220419_lab.xml | 21875 | 2022-04-22 16:40:06 |
| ctl-20220419_pre.xml | 14168 | 2022-04-22 16:40:06 |
| d142274d8k.htm | 24917 | 2022-04-22 16:40:06 |
| d142274d8k_htm.xml | 5120 | 2022-04-22 16:40:06 |
| FilingSummary.xml | 1792 | 2022-04-22 16:40:06 |
| Financial_Report.xlsx | 5771 | 2022-04-22 16:40:06 |
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| MetaLinks.json | 21529 | 2022-04-22 16:40:06 |
| R1.htm | 42689 | 2022-04-22 16:40:06 |
| report.css | 2767 | 2022-04-22 16:40:06 |
| Show.js | 1085 | 2022-04-22 16:40:06 |
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