Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-304586-index-headers.html | 2020-11-27 16:43:04 | |
| 0001193125-20-304586-index.html | 2020-11-27 16:43:04 | |
| 0001193125-20-304586.txt | 2020-11-27 16:43:04 | |
 0001193125-20-304586-xbrl.zip | 83365 | 2020-11-27 16:43:04 |
| ctl-20201127.xsd | 6233 | 2020-11-27 16:43:04 |
| ctl-20201127_cal.xml | 681 | 2020-11-27 16:43:04 |
| ctl-20201127_def.xml | 16216 | 2020-11-27 16:43:04 |
| ctl-20201127_lab.xml | 23634 | 2020-11-27 16:43:04 |
| ctl-20201127_pre.xml | 16720 | 2020-11-27 16:43:04 |
| d71866d8k.htm | 86621 | 2020-11-27 16:43:04 |
| d71866d8k_htm.xml | 11292 | 2020-11-27 16:43:04 |
| d71866dex41.htm | 379738 | 2020-11-27 16:43:04 |
| d71866dex991.htm | 9562 | 2020-11-27 16:43:04 |
| FilingSummary.xml | 1809 | 2020-11-27 16:43:04 |
| Financial_Report.xlsx | 5997 | 2020-11-27 16:43:04 |
 g71866dsp075.jpg | 1930 | 2020-11-27 16:43:04 |
| MetaLinks.json | 24900 | 2020-11-27 16:43:04 |
| R1.htm | 58461 | 2020-11-27 16:43:04 |
| report.css | 2767 | 2020-11-27 16:43:04 |
| Show.js | 1085 | 2020-11-27 16:43:04 |