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|---|---|---|
 0001130310-17-000010-index-headers.html | 2017-05-05 06:25:56 | |
| 0001130310-17-000010-index.html | 2017-05-05 06:25:56 | |
| 0001130310-17-000010.txt | 2017-05-05 06:25:56 | |
 0001130310-17-000010-xbrl.zip | 259544 | 2017-05-05 06:25:56 |
| cnp-20170331.xml | 2005114 | 2017-05-05 06:25:56 |
| cnp-20170331.xsd | 47696 | 2017-05-05 06:25:56 |
| cnp-20170331_cal.xml | 86267 | 2017-05-05 06:25:56 |
| cnp-20170331_def.xml | 405946 | 2017-05-05 06:25:56 |
| cnp-20170331_lab.xml | 809720 | 2017-05-05 06:25:56 |
| cnp-20170331_pre.xml | 471411 | 2017-05-05 06:25:56 |
| cnp_10qx3312017.htm | 1430892 | 2017-05-05 06:25:56 |
| cnp_exhibit12x3312017.htm | 25785 | 2017-05-05 06:25:56 |
| cnp_exhibit311x3312017.htm | 12844 | 2017-05-05 06:25:56 |
| cnp_exhibit312x3312017.htm | 12856 | 2017-05-05 06:25:56 |
| cnp_exhibit321x3312017.htm | 5928 | 2017-05-05 06:25:56 |
| cnp_exhibit322x3312017.htm | 5919 | 2017-05-05 06:25:56 |
| FilingSummary.xml | 30678 | 2017-05-05 06:25:56 |
| Financial_Report.xlsx | 77350 | 2017-05-05 06:25:56 |
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| report.css | 2767 | 2017-05-05 06:25:56 |
| Show.js | 1410 | 2017-05-05 06:25:56 |