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| 0001130310-18-000003-index.html | 2018-02-22 06:24:04 | |
| 0001130310-18-000003.txt | 2018-02-22 06:24:04 | |
 0001130310-18-000003-xbrl.zip | 550733 | 2018-02-22 06:24:04 |
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| cnp-20171231.xml | 5613246 | 2018-02-22 06:24:04 |
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| cnp-20171231_pre.xml | 888012 | 2018-02-22 06:24:04 |
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| cnp_exhibit10hx12312017.htm | 4771 | 2018-02-22 06:24:04 |
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| FilingSummary.xml | 44019 | 2018-02-22 06:24:04 |
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| report.css | 2768 | 2018-02-22 06:24:04 |
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