Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-298071-index-headers.html | 2019-11-22 08:56:21 | |
| 0001193125-19-298071-index.html | 2019-11-22 08:56:21 | |
| 0001193125-19-298071.txt | 2019-11-22 08:56:21 | |
 0001193125-19-298071-xbrl.zip | 14753 | 2019-11-22 08:56:21 |
| ctl-20191122.xsd | 5356 | 2019-11-22 08:56:21 |
| ctl-20191122_cal.xml | 681 | 2019-11-22 08:56:21 |
| ctl-20191122_def.xml | 12042 | 2019-11-22 08:56:21 |
| ctl-20191122_lab.xml | 16247 | 2019-11-22 08:56:21 |
| ctl-20191122_pre.xml | 12458 | 2019-11-22 08:56:21 |
| d825933d8k.htm | 74681 | 2019-11-22 08:56:21 |
| d825933d8k_htm.xml | 5577 | 2019-11-22 08:56:21 |
| d825933dex991.htm | 9255 | 2019-11-22 08:56:21 |
| FilingSummary.xml | 1712 | 2019-11-22 08:56:21 |
| Financial_Report.xlsx | 6035 | 2019-11-22 08:56:21 |
 g825933g1122090520404.jpg | 32429 | 2019-11-22 08:56:21 |
| MetaLinks.json | 20344 | 2019-11-22 08:56:21 |
| R1.htm | 44257 | 2019-11-22 08:56:21 |
| report.css | 2767 | 2019-11-22 08:56:21 |
| Show.js | 1085 | 2019-11-22 08:56:21 |