XML 164 R44.htm IDEA: XBRL DOCUMENT
v3.25.3

Regulatory Matters (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Regulated Operations [Abstract] |
Schedule of Allowed Equity Return Not Recognized | The recoverable allowed equity return not yet recognized by the Registrants is as follows:
| September 30, 2025 |  | December 31, 2024
| CenterPoint Energy (1) |  | Houston Electric (2) |  | CERC (3) |  | CenterPoint Energy (1) |  | Houston Electric (2) |  | CERC (3)
| (in millions)
Unrecognized equity return | $ | 313 |  |  | $ | 144 |  |  | $ | 105 |  |  | $ | 251 |  |  | $ | 94 |  |  | $ | 92 |
(1)In addition to the amounts described in (2) and (3) below, represents CenterPoint Energy’s allowed equity return on post in-service carrying cost generally associated with investments at SIGECO. (2)Represents Houston Electric’s allowed equity return on TEEEF costs and certain storm restoration costs. (3)Represents CERC’s allowed equity return on post in-service carrying cost associated with certain distribution facilities replacement expenditures in Texas and at Indiana Gas.
Schedule of Amount Allowed Equity Return Recognized in Period | The table below reflects the amount of allowed equity return recognized by each Registrant in its Condensed Statements of Consolidated Income:
| Three Months Ended September 30,
| 2025 |  | 2024
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Allowed equity return recognized | $ | 9 |  |  | $ | 8 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |
| Nine Months Ended September 30,
| 2025 |  | 2024
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Allowed equity return recognized | $ | 18 |  |  | $ | 14 |  |  | $ | 3 |  |  | $ | 22 |  |  | $ | 19 |  |  | $ | 2 |

X
- Definition Allowed Equity Return Not Recognized + References No definition available. + Details
Name: | cnp_AllowedEquityReturnNotRecognizedTableTextBlock
Namespace Prefix: | cnp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Allowed Equity Return Recognized + References No definition available. + Details
Name: | cnp_ScheduleOfAllowedEquityReturnRecognizedTableTextBlock
Namespace Prefix: | cnp_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RegulatedOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration