Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000009466-20-000002-index-headers.html | 2020-06-05 14:36:01 | |
| 0000009466-20-000002-index.html | 2020-06-05 14:36:01 | |
| 0000009466-20-000002.txt | 2020-06-05 14:36:01 | |
 0000009466-20-000002-xbrl.zip | 59329 | 2020-06-05 14:36:01 |
| exc-20200605.htm | 77256 | 2020-06-05 14:36:01 |
| exc-20200605.xsd | 4856 | 2020-06-05 14:36:01 |
| exc-20200605_cal.xml | 806 | 2020-06-05 14:36:01 |
| exc-20200605_def.xml | 23149 | 2020-06-05 14:36:01 |
| exc-20200605_htm.xml | 15439 | 2020-06-05 14:36:01 |
| exc-20200605_lab.xml | 46019 | 2020-06-05 14:36:01 |
| exc-20200605_pre.xml | 23623 | 2020-06-05 14:36:01 |
| exc20200605ex11.htm | 156964 | 2020-06-05 14:36:01 |
| exc20200605ex42.htm | 68896 | 2020-06-05 14:36:01 |
| exc20200605ex51.htm | 64409 | 2020-06-05 14:36:01 |
| FilingSummary.xml | 2016 | 2020-06-05 14:36:01 |
| Financial_Report.xlsx | 5736 | 2020-06-05 14:36:01 |
 image1.jpg | 10230 | 2020-06-05 14:36:01 |
 image11.jpg | 58878 | 2020-06-05 14:36:01 |
| MetaLinks.json | 30071 | 2020-06-05 14:36:01 |
| R1.htm | 35646 | 2020-06-05 14:36:01 |
| report.css | 2767 | 2020-06-05 14:36:01 |
| Show.js | 1085 | 2020-06-05 14:36:01 |