Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-088948-index-headers.html | 2020-03-27 17:14:20 | |
| 0001193125-20-088948-index.html | 2020-03-27 17:14:20 | |
| 0001193125-20-088948.txt | 2020-03-27 17:14:20 | |
 0001193125-20-088948-xbrl.zip | 14932 | 2020-03-27 17:14:20 |
| ctl-20200327.xsd | 4128 | 2020-03-27 17:14:20 |
| ctl-20200327_def.xml | 13398 | 2020-03-27 17:14:20 |
| ctl-20200327_lab.xml | 22008 | 2020-03-27 17:14:20 |
| ctl-20200327_pre.xml | 14301 | 2020-03-27 17:14:20 |
| d881555d8k.htm | 32297 | 2020-03-27 17:14:20 |
| d881555d8k_htm.xml | 5009 | 2020-03-27 17:14:20 |
| FilingSummary.xml | 1863 | 2020-03-27 17:14:20 |
| Financial_Report.xlsx | 5871 | 2020-03-27 17:14:20 |
 g881555g0328011844404.jpg | 3474 | 2020-03-27 17:14:20 |
| MetaLinks.json | 22098 | 2020-03-27 17:14:20 |
| R1.htm | 42311 | 2020-03-27 17:14:20 |
| report.css | 2766 | 2020-03-27 17:14:20 |
| Show.js | 1084 | 2020-03-27 17:14:20 |