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|---|---|---|
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| 0001130310-17-000006-index.html | 2017-02-28 06:22:13 | |
| 0001130310-17-000006.txt | 2017-02-28 06:22:13 | |
 0001130310-17-000006-xbrl.zip | 523860 | 2017-02-28 06:22:13 |
| cnp-20161231.xml | 5258869 | 2017-02-28 06:22:13 |
| cnp-20161231.xsd | 84856 | 2017-02-28 06:22:13 |
| cnp-20161231_cal.xml | 129867 | 2017-02-28 06:22:13 |
| cnp-20161231_def.xml | 781714 | 2017-02-28 06:22:13 |
| cnp-20161231_lab.xml | 1477827 | 2017-02-28 06:22:13 |
| cnp-20161231_pre.xml | 887969 | 2017-02-28 06:22:13 |
| cnp_10kx12312016.htm | 4049668 | 2017-02-28 06:22:13 |
| cnp_exhibit10ii5x12312016.htm | 38402 | 2017-02-28 06:22:13 |
| cnp_exhibit10mmx12312016.htm | 7207 | 2017-02-28 06:22:13 |
| cnp_exhibit10nnx12312016.htm | 14903 | 2017-02-28 06:22:13 |
| cnp_exhibit10sx12312016.htm | 5111 | 2017-02-28 06:22:13 |
| cnp_exhibit12x12312016.htm | 57697 | 2017-02-28 06:22:13 |
| cnp_exhibit21x12312016.htm | 4745 | 2017-02-28 06:22:13 |
| cnp_exhibit231x12312016.htm | 3713 | 2017-02-28 06:22:13 |
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| cnp_exhibit321x12312016.htm | 5882 | 2017-02-28 06:22:13 |
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| cnp_exhibit4e42x12312016.htm | 113793 | 2017-02-28 06:22:13 |
| FilingSummary.xml | 42908 | 2017-02-28 06:22:13 |
| Financial_Report.xlsx | 151393 | 2017-02-28 06:22:13 |
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| report.css | 2767 | 2017-02-28 06:22:13 |
| Show.js | 1410 | 2017-02-28 06:22:13 |