Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-308705-index-headers.html | 2019-12-09 07:56:09 | |
| 0001193125-19-308705-index.html | 2019-12-09 07:56:09 | |
| 0001193125-19-308705.txt | 2019-12-09 07:56:09 | |
 0001193125-19-308705-xbrl.zip | 14998 | 2019-12-09 07:56:09 |
| ctl-20191209.xsd | 3076 | 2019-12-09 07:56:09 |
| ctl-20191209_lab.xml | 17374 | 2019-12-09 07:56:09 |
| ctl-20191209_pre.xml | 10958 | 2019-12-09 07:56:09 |
| d842841d8k.htm | 28294 | 2019-12-09 07:56:09 |
| d842841d8k_htm.xml | 3270 | 2019-12-09 07:56:09 |
| d842841dex991.htm | 8066 | 2019-12-09 07:56:09 |
| FilingSummary.xml | 1797 | 2019-12-09 07:56:09 |
| Financial_Report.xlsx | 5782 | 2019-12-09 07:56:09 |
 g842841g1209083006058.jpg | 3667 | 2019-12-09 07:56:09 |
 g842841g1209083413273.jpg | 32927 | 2019-12-09 07:56:09 |
| MetaLinks.json | 18282 | 2019-12-09 07:56:09 |
| R1.htm | 38616 | 2019-12-09 07:56:09 |
| report.css | 2767 | 2019-12-09 07:56:09 |
| Show.js | 1085 | 2019-12-09 07:56:09 |