Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-008172-index-headers.html | 2021-01-13 16:32:00 | |
| 0001193125-21-008172-index.html | 2021-01-13 16:32:00 | |
| 0001193125-21-008172.txt | 2021-01-13 16:32:00 | |
 0001193125-21-008172-xbrl.zip | 150246 | 2021-01-13 16:32:00 |
| ctl-20210113.xsd | 5172 | 2021-01-13 16:32:00 |
| ctl-20210113_cal.xml | 680 | 2021-01-13 16:32:00 |
| ctl-20210113_def.xml | 14447 | 2021-01-13 16:32:00 |
| ctl-20210113_lab.xml | 18889 | 2021-01-13 16:32:00 |
| ctl-20210113_pre.xml | 14711 | 2021-01-13 16:32:00 |
| d51372d8k.htm | 88145 | 2021-01-13 16:32:00 |
| d51372d8k_htm.xml | 6939 | 2021-01-13 16:32:00 |
| d51372dex41.htm | 801463 | 2021-01-13 16:32:00 |
| d51372dex991.htm | 8895 | 2021-01-13 16:32:00 |
| FilingSummary.xml | 1809 | 2021-01-13 16:32:00 |
| Financial_Report.xlsx | 5775 | 2021-01-13 16:32:00 |
 g51372dsp006a.jpg | 1919 | 2021-01-13 16:32:00 |
 g51372dsp006b.jpg | 1750 | 2021-01-13 16:32:00 |
| MetaLinks.json | 22274 | 2021-01-13 16:32:00 |
| R1.htm | 48693 | 2021-01-13 16:32:00 |
| report.css | 2767 | 2021-01-13 16:32:00 |
| Show.js | 1085 | 2021-01-13 16:32:00 |