Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-306307-index-headers.html | 2019-12-04 17:16:55 | |
| 0001193125-19-306307-index.html | 2019-12-04 17:16:55 | |
| 0001193125-19-306307.txt | 2019-12-04 17:16:55 | |
 0001193125-19-306307-xbrl.zip | 426405 | 2019-12-04 17:16:55 |
| ctl-20191129.xsd | 5356 | 2019-12-04 17:16:55 |
| ctl-20191129_cal.xml | 681 | 2019-12-04 17:16:55 |
| ctl-20191129_def.xml | 12042 | 2019-12-04 17:16:55 |
| ctl-20191129_lab.xml | 16247 | 2019-12-04 17:16:55 |
| ctl-20191129_pre.xml | 12458 | 2019-12-04 17:16:55 |
| d843087d8k.htm | 91280 | 2019-12-04 17:16:55 |
| d843087d8k_htm.xml | 5577 | 2019-12-04 17:16:55 |
| d843087dex101.htm | 944476 | 2019-12-04 17:16:55 |
| d843087dex102.htm | 765028 | 2019-12-04 17:16:55 |
| d843087dex103.htm | 757563 | 2019-12-04 17:16:55 |
| d843087dex991.htm | 8813 | 2019-12-04 17:16:55 |
| FilingSummary.xml | 1817 | 2019-12-04 17:16:55 |
| Financial_Report.xlsx | 6036 | 2019-12-04 17:16:55 |
 g843087g1203003148757.jpg | 32429 | 2019-12-04 17:16:55 |
| MetaLinks.json | 20260 | 2019-12-04 17:16:55 |
| R1.htm | 44257 | 2019-12-04 17:16:55 |
| report.css | 2767 | 2019-12-04 17:16:55 |
| Show.js | 1085 | 2019-12-04 17:16:55 |