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|---|---|---|
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| 0001130310-18-000018-index.html | 2018-08-03 06:23:21 | |
| 0001130310-18-000018.txt | 2018-08-03 06:23:21 | |
 0001130310-18-000018-xbrl.zip | 413671 | 2018-08-03 06:23:21 |
| cehe_exhibit122x6302018.htm | 23753 | 2018-08-03 06:23:21 |
| cehe_exhibit3112x6302018.htm | 12979 | 2018-08-03 06:23:21 |
| cehe_exhibit3122x6302018.htm | 12730 | 2018-08-03 06:23:21 |
| cehe_exhibit3212x6302018.htm | 6023 | 2018-08-03 06:23:21 |
| cehe_exhibit3222x6302018.htm | 6033 | 2018-08-03 06:23:21 |
| cercexhibit123_6302018.htm | 28393 | 2018-08-03 06:23:21 |
| cercexhibit3113_6302018.htm | 12131 | 2018-08-03 06:23:21 |
| cercexhibit3123_6302018.htm | 12283 | 2018-08-03 06:23:21 |
| cercexhibit3213_6302018.htm | 6535 | 2018-08-03 06:23:21 |
| cercexhibit3223_6302018.htm | 5787 | 2018-08-03 06:23:21 |
| cnp-20180630.xml | 5412362 | 2018-08-03 06:23:21 |
| cnp-20180630.xsd | 59477 | 2018-08-03 06:23:21 |
| cnp-20180630_cal.xml | 102604 | 2018-08-03 06:23:21 |
| cnp-20180630_def.xml | 492871 | 2018-08-03 06:23:21 |
| cnp-20180630_lab.xml | 881050 | 2018-08-03 06:23:21 |
| cnp-20180630_pre.xml | 552263 | 2018-08-03 06:23:21 |
| cnp_10qx6302018combined.htm | 3495158 | 2018-08-03 06:23:21 |
| cnp_exhibit121x6302018.htm | 25790 | 2018-08-03 06:23:21 |
| cnp_exhibit3111x6302018.htm | 12854 | 2018-08-03 06:23:21 |
| cnp_exhibit3121x6302018.htm | 12866 | 2018-08-03 06:23:21 |
| cnp_exhibit3211x6302018.htm | 5938 | 2018-08-03 06:23:21 |
| cnp_exhibit3221x6302018.htm | 5929 | 2018-08-03 06:23:21 |
| FilingSummary.xml | 39867 | 2018-08-03 06:23:21 |
| Financial_Report.xlsx | 118418 | 2018-08-03 06:23:21 |
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| report.css | 2767 | 2018-08-03 06:23:21 |
| Show.js | 1410 | 2018-08-03 06:23:21 |