Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-244126-index-headers.html | 2020-09-11 16:16:36 | |
| 0001193125-20-244126-index.html | 2020-09-11 16:16:36 | |
| 0001193125-20-244126.txt | 2020-09-11 16:16:36 | |
 0001193125-20-244126-xbrl.zip | 14774 | 2020-09-11 16:16:36 |
| ctl-20200911.xsd | 5174 | 2020-09-11 16:16:36 |
| ctl-20200911_cal.xml | 682 | 2020-09-11 16:16:36 |
| ctl-20200911_def.xml | 14509 | 2020-09-11 16:16:36 |
| ctl-20200911_lab.xml | 18891 | 2020-09-11 16:16:36 |
| ctl-20200911_pre.xml | 14758 | 2020-09-11 16:16:36 |
| d945480d8k.htm | 60945 | 2020-09-11 16:16:36 |
| d945480d8k_htm.xml | 6939 | 2020-09-11 16:16:36 |
| d945480dex991.htm | 5946 | 2020-09-11 16:16:36 |
| FilingSummary.xml | 1780 | 2020-09-11 16:16:36 |
| Financial_Report.xlsx | 5773 | 2020-09-11 16:16:36 |
 g945480g0911032831979.jpg | 32927 | 2020-09-11 16:16:36 |
| MetaLinks.json | 22278 | 2020-09-11 16:16:36 |
| R1.htm | 48693 | 2020-09-11 16:16:36 |
| report.css | 2767 | 2020-09-11 16:16:36 |
| Show.js | 1085 | 2020-09-11 16:16:36 |