Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000078100-21-000005-index-headers.html | 2021-03-08 11:41:19 | |
| 0000078100-21-000005-index.html | 2021-03-08 11:41:19 | |
| 0000078100-21-000005.txt | 2021-03-08 11:41:19 | |
 0000078100-21-000005-xbrl.zip | 75306 | 2021-03-08 11:41:19 |
| exc-20210308.htm | 71179 | 2021-03-08 11:41:19 |
| exc-20210308.xsd | 4715 | 2021-03-08 11:41:19 |
| exc-20210308ex11.htm | 183493 | 2021-03-08 11:41:19 |
| exc-20210308ex41.htm | 299409 | 2021-03-08 11:41:19 |
| exc-20210308ex51.htm | 12492 | 2021-03-08 11:41:19 |
| exc-20210308ex81.htm | 10346 | 2021-03-08 11:41:19 |
| exc-20210308_cal.xml | 806 | 2021-03-08 11:41:19 |
| exc-20210308_def.xml | 23149 | 2021-03-08 11:41:19 |
| exc-20210308_htm.xml | 18035 | 2021-03-08 11:41:19 |
| exc-20210308_lab.xml | 46019 | 2021-03-08 11:41:19 |
| exc-20210308_pre.xml | 23623 | 2021-03-08 11:41:19 |
| FilingSummary.xml | 2057 | 2021-03-08 11:41:19 |
| Financial_Report.xlsx | 5526 | 2021-03-08 11:41:19 |
 image_01.jpg | 59217 | 2021-03-08 11:41:19 |
 image_021.jpg | 59217 | 2021-03-08 11:41:19 |
 image_11.jpg | 103279 | 2021-03-08 11:41:19 |
 image_11a.jpg | 103279 | 2021-03-08 11:41:19 |
| MetaLinks.json | 29544 | 2021-03-08 11:41:19 |
| R1.htm | 41961 | 2021-03-08 11:41:19 |
| report.css | 2767 | 2021-03-08 11:41:19 |
| Show.js | 1085 | 2021-03-08 11:41:19 |