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|---|---|---|
 0001130310-17-000017-index-headers.html | 2017-11-03 06:21:53 | |
| 0001130310-17-000017-index.html | 2017-11-03 06:21:53 | |
| 0001130310-17-000017.txt | 2017-11-03 06:21:53 | |
 0001130310-17-000017-xbrl.zip | 289773 | 2017-11-03 06:21:53 |
| cnp-20170930.xml | 2664725 | 2017-11-03 06:21:53 |
| cnp-20170930.xsd | 49010 | 2017-11-03 06:21:53 |
| cnp-20170930_cal.xml | 94118 | 2017-11-03 06:21:53 |
| cnp-20170930_def.xml | 333142 | 2017-11-03 06:21:53 |
| cnp-20170930_lab.xml | 823008 | 2017-11-03 06:21:53 |
| cnp-20170930_pre.xml | 466782 | 2017-11-03 06:21:53 |
| cnp_10qx9302017.htm | 1909144 | 2017-11-03 06:21:53 |
| cnp_exhibit12x9302017.htm | 25793 | 2017-11-03 06:21:53 |
| cnp_exhibit311x9302017.htm | 12849 | 2017-11-03 06:21:53 |
| cnp_exhibit312x9302017.htm | 12861 | 2017-11-03 06:21:53 |
| cnp_exhibit321x9302017.htm | 5937 | 2017-11-03 06:21:53 |
| cnp_exhibit322x9302017.htm | 5928 | 2017-11-03 06:21:53 |
| cnp_exhibit411x9302017.htm | 176653 | 2017-11-03 06:21:53 |
| cnp_exhibit49x9302017.htm | 185081 | 2017-11-03 06:21:53 |
| FilingSummary.xml | 30814 | 2017-11-03 06:21:53 |
| Financial_Report.xlsx | 87572 | 2017-11-03 06:21:53 |
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| report.css | 2767 | 2017-11-03 06:21:53 |
| Show.js | 1410 | 2017-11-03 06:21:53 |