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|---|---|---|
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| 0001130310-18-000012-index.html | 2018-05-04 06:22:24 | |
| 0001130310-18-000012.txt | 2018-05-04 06:22:24 | |
 0001130310-18-000012-xbrl.zip | 295437 | 2018-05-04 06:22:24 |
| cnp-20180331.xml | 2623054 | 2018-05-04 06:22:24 |
| cnp-20180331.xsd | 54267 | 2018-05-04 06:22:24 |
| cnp-20180331_cal.xml | 89430 | 2018-05-04 06:22:24 |
| cnp-20180331_def.xml | 351755 | 2018-05-04 06:22:24 |
| cnp-20180331_lab.xml | 845162 | 2018-05-04 06:22:24 |
| cnp-20180331_pre.xml | 484093 | 2018-05-04 06:22:24 |
| cnp_10qx3312018.htm | 1705925 | 2018-05-04 06:22:24 |
| cnp_exhibit101x3312018.htm | 45773 | 2018-05-04 06:22:24 |
| cnp_exhibit103x3312018.htm | 69122 | 2018-05-04 06:22:24 |
| cnp_exhibit104x3312018.htm | 72452 | 2018-05-04 06:22:24 |
| cnp_exhibit105x3312018.htm | 64790 | 2018-05-04 06:22:24 |
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| cnp_exhibit107x3312018.htm | 64703 | 2018-05-04 06:22:24 |
| cnp_exhibit12x3312018.htm | 25783 | 2018-05-04 06:22:24 |
| cnp_exhibit311x3312018.htm | 12845 | 2018-05-04 06:22:24 |
| cnp_exhibit312x3312018.htm | 12857 | 2018-05-04 06:22:24 |
| cnp_exhibit321x3312018.htm | 5929 | 2018-05-04 06:22:24 |
| cnp_exhibit322x3312018.htm | 5920 | 2018-05-04 06:22:24 |
| cnp_exhibit410x3312018.htm | 80040 | 2018-05-04 06:22:24 |
| cnp_exhibit412x3312018.htm | 218727 | 2018-05-04 06:22:24 |
| cnp_exhibit49x3312018.htm | 27380 | 2018-05-04 06:22:24 |
| FilingSummary.xml | 34731 | 2018-05-04 06:22:24 |
| Financial_Report.xlsx | 94418 | 2018-05-04 06:22:24 |
| R1.htm | 28513 | 2018-05-04 06:22:24 |
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| report.css | 2767 | 2018-05-04 06:22:24 |
| Show.js | 1410 | 2018-05-04 06:22:24 |