Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-247184-index-headers.html | 2020-09-16 16:16:04 | |
| 0001193125-20-247184-index.html | 2020-09-16 16:16:04 | |
| 0001193125-20-247184.txt | 2020-09-16 16:16:04 | |
 0001193125-20-247184-xbrl.zip | 16331 | 2020-09-16 16:16:04 |
| ctl-20200916.xsd | 6502 | 2020-09-16 16:16:04 |
| ctl-20200916_cal.xml | 682 | 2020-09-16 16:16:04 |
| ctl-20200916_def.xml | 16786 | 2020-09-16 16:16:04 |
| ctl-20200916_lab.xml | 24839 | 2020-09-16 16:16:04 |
| ctl-20200916_pre.xml | 17335 | 2020-09-16 16:16:04 |
| d47952d8k.htm | 66618 | 2020-09-16 16:16:04 |
| d47952d8k_htm.xml | 12427 | 2020-09-16 16:16:04 |
| d47952dex991.htm | 8487 | 2020-09-16 16:16:04 |
| FilingSummary.xml | 1776 | 2020-09-16 16:16:04 |
| Financial_Report.xlsx | 6053 | 2020-09-16 16:16:04 |
 g47952g31c14.jpg | 3313 | 2020-09-16 16:16:04 |
| MetaLinks.json | 25602 | 2020-09-16 16:16:04 |
| R1.htm | 60910 | 2020-09-16 16:16:04 |
| report.css | 2767 | 2020-09-16 16:16:04 |
| Show.js | 1085 | 2020-09-16 16:16:04 |