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|---|---|---|
 0001130310-25-000079-index-headers.html | 2025-04-24 06:02:16 | |
| 0001130310-25-000079-index.html | 2025-04-24 06:02:16 | |
| 0001130310-25-000079.txt | 2025-04-24 06:02:16 | |
 0001130310-25-000079-xbrl.zip | 448134 | 2025-04-24 06:02:16 |
| cehe_exhibit3112x3312025.htm | 11489 | 2025-04-24 06:02:16 |
| cehe_exhibit3122x3312025.htm | 11482 | 2025-04-24 06:02:16 |
| cehe_exhibit3212x3312025.htm | 5654 | 2025-04-24 06:02:16 |
| cehe_exhibit3222x3312025.htm | 5706 | 2025-04-24 06:02:16 |
| cerc_exhibit3113x3312025.htm | 10357 | 2025-04-24 06:02:16 |
| cerc_exhibit3123x3312025.htm | 10464 | 2025-04-24 06:02:16 |
| cerc_exhibit3213x3312025.htm | 5520 | 2025-04-24 06:02:16 |
| cerc_exhibit3223x3312025.htm | 5192 | 2025-04-24 06:02:16 |
| cnp-20250331.htm | 2860211 | 2025-04-24 06:02:16 |
| cnp-20250331.xsd | 93399 | 2025-04-24 06:02:16 |
| cnp-20250331_cal.xml | 97501 | 2025-04-24 06:02:16 |
| cnp-20250331_def.xml | 622357 | 2025-04-24 06:02:16 |
| cnp-20250331_htm.xml | 2279384 | 2025-04-24 06:02:16 |
| cnp-20250331_lab.xml | 867277 | 2025-04-24 06:02:16 |
| cnp-20250331_pre.xml | 843336 | 2025-04-24 06:02:16 |
| cnp_exhibit3111x3312025.htm | 11517 | 2025-04-24 06:02:16 |
| cnp_exhibit3121x3312025.htm | 11557 | 2025-04-24 06:02:16 |
| cnp_exhibit3211x3312025.htm | 5727 | 2025-04-24 06:02:16 |
| cnp_exhibit3221x3312025.htm | 5624 | 2025-04-24 06:02:16 |
| exhibit45-officerscertif.htm | 46278 | 2025-04-24 06:02:16 |
 exhibit45-officerscertif001.jpg | 246002 | 2025-04-24 06:02:16 |
 exhibit45-officerscertif002.jpg | 263330 | 2025-04-24 06:02:16 |
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 exhibit45-officerscertif007.jpg | 58222 | 2025-04-24 06:02:16 |
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 exhibit45-officerscertif009.jpg | 210680 | 2025-04-24 06:02:16 |
 exhibit45-officerscertif010.jpg | 331974 | 2025-04-24 06:02:16 |
 exhibit45-officerscertif011.jpg | 315212 | 2025-04-24 06:02:16 |
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 exhibit45-officerscertif013.jpg | 131076 | 2025-04-24 06:02:16 |
 exhibit45-officerscertif014.jpg | 57832 | 2025-04-24 06:02:16 |
 exhibit45-officerscertif015.jpg | 53878 | 2025-04-24 06:02:16 |
| FilingSummary.xml | 60200 | 2025-04-24 06:02:16 |
| Financial_Report.xlsx | 165027 | 2025-04-24 06:02:16 |
| MetaLinks.json | 1201407 | 2025-04-24 06:02:16 |
| R1.htm | 77848 | 2025-04-24 06:02:16 |
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| report.css | 2768 | 2025-04-24 06:02:16 |
| Show.js | 1086 | 2025-04-24 06:02:16 |