Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-182349-index-headers.html | 2020-06-29 16:18:54 | |
| 0001193125-20-182349-index.html | 2020-06-29 16:18:54 | |
| 0001193125-20-182349.txt | 2020-06-29 16:18:54 | |
 0001193125-20-182349-xbrl.zip | 16843 | 2020-06-29 16:18:54 |
| ctl-20200630.xsd | 6773 | 2020-06-29 16:18:54 |
| ctl-20200630_cal.xml | 677 | 2020-06-29 16:18:54 |
| ctl-20200630_def.xml | 17650 | 2020-06-29 16:18:54 |
| ctl-20200630_lab.xml | 28593 | 2020-06-29 16:18:54 |
| ctl-20200630_pre.xml | 18344 | 2020-06-29 16:18:54 |
| d902527d8k.htm | 94920 | 2020-06-29 16:18:54 |
| d902527d8k_htm.xml | 13554 | 2020-06-29 16:18:54 |
| d902527dex991.htm | 5546 | 2020-06-29 16:18:54 |
| FilingSummary.xml | 1781 | 2020-06-29 16:18:54 |
| Financial_Report.xlsx | 6096 | 2020-06-29 16:18:54 |
 g902527a1.jpg | 131685 | 2020-06-29 16:18:54 |
| MetaLinks.json | 26848 | 2020-06-29 16:18:54 |
| R1.htm | 63327 | 2020-06-29 16:18:54 |
| report.css | 2767 | 2020-06-29 16:18:54 |
| Show.js | 1085 | 2020-06-29 16:18:54 |