Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-243232-index-headers.html | 2019-09-11 21:57:20 | |
| 0001193125-19-243232-index.html | 2019-09-11 21:57:20 | |
| 0001193125-19-243232.txt | 2019-09-11 21:57:20 | |
 0001193125-19-243232-xbrl.zip | 16683 | 2019-09-11 21:57:20 |
| ctl-20190912.xsd | 5040 | 2019-09-11 21:57:20 |
| ctl-20190912_cal.xml | 682 | 2019-09-11 21:57:20 |
| ctl-20190912_def.xml | 12413 | 2019-09-11 21:57:20 |
| ctl-20190912_lab.xml | 16068 | 2019-09-11 21:57:20 |
| ctl-20190912_pre.xml | 12824 | 2019-09-11 21:57:20 |
| d614063d8k.htm | 65327 | 2019-09-11 21:57:20 |
| d614063d8k_htm.xml | 5595 | 2019-09-11 21:57:20 |
| d614063dex991.htm | 6866 | 2019-09-11 21:57:20 |
| d614063dex992.htm | 6859 | 2019-09-11 21:57:20 |
| FilingSummary.xml | 1747 | 2019-09-11 21:57:20 |
| Financial_Report.xlsx | 6051 | 2019-09-11 21:57:20 |
 g614063img01.jpg | 126017 | 2019-09-11 21:57:20 |
 g614063img02.jpg | 148506 | 2019-09-11 21:57:20 |
| MetaLinks.json | 20245 | 2019-09-11 21:57:20 |
| R1.htm | 44261 | 2019-09-11 21:57:20 |
| report.css | 2767 | 2019-09-11 21:57:20 |
| Show.js | 1085 | 2019-09-11 21:57:20 |