Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-009543-index-headers.html | 2020-01-17 08:18:09 | |
| 0001193125-20-009543-index.html | 2020-01-17 08:18:09 | |
| 0001193125-20-009543.txt | 2020-01-17 08:18:09 | |
 0001193125-20-009543-xbrl.zip | 15607 | 2020-01-17 08:18:09 |
| ctl-20200117.xsd | 3076 | 2020-01-17 08:18:09 |
| ctl-20200117_lab.xml | 17374 | 2020-01-17 08:18:09 |
| ctl-20200117_pre.xml | 10958 | 2020-01-17 08:18:09 |
| d862988d8k.htm | 28098 | 2020-01-17 08:18:09 |
| d862988d8k_htm.xml | 3270 | 2020-01-17 08:18:09 |
| d862988dex991.htm | 10113 | 2020-01-17 08:18:09 |
| FilingSummary.xml | 1797 | 2020-01-17 08:18:09 |
| Financial_Report.xlsx | 5781 | 2020-01-17 08:18:09 |
 g862988g0117023854332.jpg | 3732 | 2020-01-17 08:18:09 |
 g862988g0117060320364.jpg | 32927 | 2020-01-17 08:18:09 |
| MetaLinks.json | 18282 | 2020-01-17 08:18:09 |
| R1.htm | 38614 | 2020-01-17 08:18:09 |
| report.css | 2767 | 2020-01-17 08:18:09 |
| Show.js | 1085 | 2020-01-17 08:18:09 |