Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-276956-index-headers.html | 2020-10-26 16:23:04 | |
| 0001193125-20-276956-index.html | 2020-10-26 16:23:04 | |
| 0001193125-20-276956.txt | 2020-10-26 16:23:04 | |
 0001193125-20-276956-xbrl.zip | 16596 | 2020-10-26 16:23:04 |
| ctl-20201026.xsd | 6500 | 2020-10-26 16:23:04 |
| ctl-20201026_cal.xml | 680 | 2020-10-26 16:23:04 |
| ctl-20201026_def.xml | 16664 | 2020-10-26 16:23:04 |
| ctl-20201026_lab.xml | 24837 | 2020-10-26 16:23:04 |
| ctl-20201026_pre.xml | 17228 | 2020-10-26 16:23:04 |
| d21581d8k.htm | 69909 | 2020-10-26 16:23:04 |
| d21581d8k_htm.xml | 12428 | 2020-10-26 16:23:04 |
| d21581dex991.htm | 8543 | 2020-10-26 16:23:04 |
| FilingSummary.xml | 1776 | 2020-10-26 16:23:04 |
| Financial_Report.xlsx | 6054 | 2020-10-26 16:23:04 |
 g21581img02.jpg | 3664 | 2020-10-26 16:23:04 |
| MetaLinks.json | 25602 | 2020-10-26 16:23:04 |
| R1.htm | 60911 | 2020-10-26 16:23:04 |
| report.css | 2767 | 2020-10-26 16:23:04 |
| Show.js | 1085 | 2020-10-26 16:23:04 |