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|---|---|---|
 0001130310-24-000010-index-headers.html | 2024-02-20 06:34:49 | |
| 0001130310-24-000010-index.html | 2024-02-20 06:34:49 | |
| 0001130310-24-000010.txt | 2024-02-20 06:34:49 | |
 0001130310-24-000010-xbrl.zip | 1102194 | 2024-02-20 06:34:49 |
| cehe_exhibit2312x12312023.htm | 2700 | 2024-02-20 06:34:49 |
| cehe_exhibit3112x12312023.htm | 11410 | 2024-02-20 06:34:49 |
| cehe_exhibit3122x12312023.htm | 11408 | 2024-02-20 06:34:49 |
| cehe_exhibit3212x12312023.htm | 5629 | 2024-02-20 06:34:49 |
| cehe_exhibit3222x12312023.htm | 5795 | 2024-02-20 06:34:49 |
| cehe_exhibit4rx12312023.htm | 154013 | 2024-02-20 06:34:49 |
| cerc_exhibit212x12312023.htm | 3337 | 2024-02-20 06:34:49 |
| cerc_exhibit2313x12312023.htm | 3070 | 2024-02-20 06:34:49 |
| cerc_exhibit3113x12312023.htm | 10817 | 2024-02-20 06:34:49 |
| cerc_exhibit3123x12312023.htm | 11001 | 2024-02-20 06:34:49 |
| cerc_exhibit3213x12312023.htm | 5628 | 2024-02-20 06:34:49 |
| cerc_exhibit3223x12312023.htm | 5068 | 2024-02-20 06:34:49 |
| cerc_exhibit4sx12312023.htm | 144527 | 2024-02-20 06:34:49 |
| cnp-20231231.htm | 7361966 | 2024-02-20 06:34:49 |
| cnp-20231231.xsd | 152728 | 2024-02-20 06:34:49 |
| cnp-20231231_cal.xml | 141890 | 2024-02-20 06:34:49 |
| cnp-20231231_def.xml | 1181184 | 2024-02-20 06:34:49 |
| cnp-20231231_htm.xml | 7059639 | 2024-02-20 06:34:49 |
| cnp-20231231_lab.xml | 1810377 | 2024-02-20 06:34:49 |
| cnp-20231231_pre.xml | 1471900 | 2024-02-20 06:34:49 |
| cnp_exhibit211x12312023.htm | 6340 | 2024-02-20 06:34:49 |
| cnp_exhibit2311x12312023.htm | 3270 | 2024-02-20 06:34:49 |
| cnp_exhibit3111x12312023.htm | 11450 | 2024-02-20 06:34:49 |
| cnp_exhibit3121x12312023.htm | 11477 | 2024-02-20 06:34:49 |
| cnp_exhibit3211x12312023.htm | 5479 | 2024-02-20 06:34:49 |
| cnp_exhibit3221x12312023.htm | 5372 | 2024-02-20 06:34:49 |
| cnp_exhibit4qx12312023.htm | 75196 | 2024-02-20 06:34:49 |
| exbitit10e7-esgtermination.htm | 10274 | 2024-02-20 06:34:49 |
| exhibit10cc13rsuwithperfor.htm | 83001 | 2024-02-20 06:34:49 |
| exhibit10cc14psuofficersan.htm | 84126 | 2024-02-20 06:34:49 |
| exhibit10cc15rsuwithperfor.htm | 73861 | 2024-02-20 06:34:49 |
| exhibit10s2.htm | 5869 | 2024-02-20 06:34:49 |
| exhibit10u2.htm | 25532 | 2024-02-20 06:34:49 |
| exhibit3hfourthamendedan.htm | 139694 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan001.jpg | 272143 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan002.jpg | 304141 | 2024-02-20 06:34:49 |
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 exhibit3hfourthamendedan005.jpg | 269810 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan006.jpg | 320130 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan007.jpg | 322859 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan008.jpg | 333708 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan009.jpg | 274827 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan010.jpg | 219108 | 2024-02-20 06:34:49 |
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 exhibit3hfourthamendedan012.jpg | 327449 | 2024-02-20 06:34:49 |
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 exhibit3hfourthamendedan033.jpg | 296915 | 2024-02-20 06:34:49 |
 exhibit3hfourthamendedan034.jpg | 66977 | 2024-02-20 06:34:49 |
| exhibit3imarkedcopyofbyl.htm | 175167 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl001.jpg | 273850 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl002.jpg | 301754 | 2024-02-20 06:34:49 |
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 exhibit3imarkedcopyofbyl024.jpg | 319125 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl025.jpg | 309627 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl026.jpg | 313557 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl027.jpg | 230455 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl028.jpg | 251461 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl029.jpg | 322001 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl030.jpg | 297287 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl031.jpg | 303477 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl032.jpg | 313987 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl033.jpg | 295639 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl034.jpg | 276258 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl035.jpg | 299531 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl036.jpg | 295191 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl037.jpg | 303358 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl038.jpg | 304797 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl039.jpg | 275306 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl040.jpg | 299679 | 2024-02-20 06:34:49 |
 exhibit3imarkedcopyofbyl041.jpg | 280982 | 2024-02-20 06:34:49 |
| exhibit3m-statementofresol.htm | 10547 | 2024-02-20 06:34:49 |
| exhibit3n-statementofresol.htm | 10588 | 2024-02-20 06:34:49 |
| exhibit5-esgterminationame.htm | 10307 | 2024-02-20 06:34:49 |
| exhibit971finalexecutiveof.htm | 36087 | 2024-02-20 06:34:49 |
| exhibit972ceheexecutiveoff.htm | 37029 | 2024-02-20 06:34:49 |
| exhibit973cercexecutiveoff.htm | 36970 | 2024-02-20 06:34:49 |
| exhibt3ostatementofresolut.htm | 10574 | 2024-02-20 06:34:49 |
| FilingSummary.xml | 79793 | 2024-02-20 06:34:49 |
| Financial_Report.xlsx | 318031 | 2024-02-20 06:34:49 |
| MetaLinks.json | 1842746 | 2024-02-20 06:34:49 |
| R1.htm | 97167 | 2024-02-20 06:34:49 |
| R10.htm | 95243 | 2024-02-20 06:34:49 |
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| report.css | 2768 | 2024-02-20 06:34:49 |
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| tab10e6fifthamendment.htm | 8600 | 2024-02-20 06:34:49 |