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| 0001130310-24-000093-index.html | 2024-07-30 06:16:35 | |
| 0001130310-24-000093.txt | 2024-07-30 06:16:35 | |
 0001130310-24-000093-xbrl.zip | 555793 | 2024-07-30 06:16:35 |
| cehe_exhibit3112x6302024.htm | 11380 | 2024-07-30 06:16:35 |
| cehe_exhibit3122x6302024.htm | 11373 | 2024-07-30 06:16:35 |
| cehe_exhibit3212x6302024.htm | 5652 | 2024-07-30 06:16:35 |
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| cerc_exhibit3113x6302024.htm | 10364 | 2024-07-30 06:16:35 |
| cerc_exhibit3123x6302024.htm | 10463 | 2024-07-30 06:16:35 |
| cerc_exhibit3213x6302024.htm | 5534 | 2024-07-30 06:16:35 |
| cerc_exhibit3223x6302024.htm | 5190 | 2024-07-30 06:16:35 |
| cnp-20240630.htm | 3790210 | 2024-07-30 06:16:35 |
| cnp-20240630.xsd | 98494 | 2024-07-30 06:16:35 |
| cnp-20240630_cal.xml | 119941 | 2024-07-30 06:16:35 |
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| cnp-20240630_lab.xml | 1010925 | 2024-07-30 06:16:35 |
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| cnp_exhibit3111x6302024.htm | 11502 | 2024-07-30 06:16:35 |
| cnp_exhibit3121x6302024.htm | 11556 | 2024-07-30 06:16:35 |
| cnp_exhibit3211x6302024.htm | 5712 | 2024-07-30 06:16:35 |
| cnp_exhibit3221x6302024.htm | 5622 | 2024-07-30 06:16:35 |
| exhibit43cnp-supplementali.htm | 146741 | 2024-07-30 06:16:35 |
| exhibit45cerc-supplemental.htm | 204805 | 2024-07-30 06:16:35 |
| FilingSummary.xml | 64753 | 2024-07-30 06:16:35 |
| Financial_Report.xlsx | 198210 | 2024-07-30 06:16:35 |
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| R1.htm | 78170 | 2024-07-30 06:16:35 |
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| report.css | 2768 | 2024-07-30 06:16:35 |
| Show.js | 1086 | 2024-07-30 06:16:35 |