Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000079732-20-000006-index-headers.html | 2020-02-25 16:29:03 | |
| 0000079732-20-000006-index.html | 2020-02-25 16:29:03 | |
| 0000079732-20-000006.txt | 2020-02-25 16:29:03 | |
 0000079732-20-000006-xbrl.zip | 92926 | 2020-02-25 16:29:03 |
| exc-20200225.htm | 84250 | 2020-02-25 16:29:03 |
| exc-20200225.xsd | 4856 | 2020-02-25 16:29:03 |
| exc-20200225_cal.xml | 806 | 2020-02-25 16:29:03 |
| exc-20200225_def.xml | 23149 | 2020-02-25 16:29:03 |
| exc-20200225_htm.xml | 15992 | 2020-02-25 16:29:03 |
| exc-20200225_lab.xml | 46014 | 2020-02-25 16:29:03 |
| exc-20200225_pre.xml | 23623 | 2020-02-25 16:29:03 |
| exc20200225ex11.htm | 469107 | 2020-02-25 16:29:03 |
| exc20200225ex42.htm | 171218 | 2020-02-25 16:29:03 |
| FilingSummary.xml | 1984 | 2020-02-25 16:29:03 |
| Financial_Report.xlsx | 5760 | 2020-02-25 16:29:03 |
| MetaLinks.json | 30066 | 2020-02-25 16:29:03 |
| R1.htm | 37377 | 2020-02-25 16:29:03 |
| report.css | 2767 | 2020-02-25 16:29:03 |
| Show.js | 1084 | 2020-02-25 16:29:03 |