Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000079732-21-000003-index-headers.html | 2021-03-30 13:37:18 | |
| 0000079732-21-000003-index.html | 2021-03-30 13:37:18 | |
| 0000079732-21-000003.txt | 2021-03-30 13:37:18 | |
 0000079732-21-000003-xbrl.zip | 160610 | 2021-03-30 13:37:18 |
| exc-20210330.htm | 84658 | 2021-03-30 13:37:18 |
| exc-20210330.xsd | 4715 | 2021-03-30 13:37:18 |
| exc-20210330xex11.htm | 423471 | 2021-03-30 13:37:18 |
| exc-20210330xex12.htm | 418220 | 2021-03-30 13:37:18 |
| exc-20210330xex42.htm | 112807 | 2021-03-30 13:37:18 |
| exc-20210330xex44.htm | 168204 | 2021-03-30 13:37:18 |
| exc-20210330_cal.xml | 806 | 2021-03-30 13:37:18 |
| exc-20210330_def.xml | 23149 | 2021-03-30 13:37:18 |
| exc-20210330_htm.xml | 28222 | 2021-03-30 13:37:18 |
| exc-20210330_lab.xml | 46019 | 2021-03-30 13:37:18 |
| exc-20210330_pre.xml | 23623 | 2021-03-30 13:37:18 |
| FilingSummary.xml | 2061 | 2021-03-30 13:37:18 |
| Financial_Report.xlsx | 5945 | 2021-03-30 13:37:18 |
| MetaLinks.json | 29544 | 2021-03-30 13:37:18 |
| R1.htm | 43081 | 2021-03-30 13:37:18 |
| report.css | 2767 | 2021-03-30 13:37:18 |
| Show.js | 1085 | 2021-03-30 13:37:18 |