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v3.25.3

Accounting Policies and Recent Accounting Pronouncements (Tables) | 9 Months Ended
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Sep. 30, 2025
Accounting Standards Update and Change in Accounting Principle [Abstract] |
Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash | The table below provides a reconciliation of cash, cash equivalents and restricted cash reported in the Condensed Consolidated Balance Sheets to the amount reported in the Condensed Statements of Consolidated Cash Flows:
| September 30, 2025 |  | December 31, 2024
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Cash and cash equivalents (1) | $ | 37 |  |  | $ | 17 |  |  | $ | — |  |  | $ | 24 |  |  | $ | 14 |  |  | $ | 2 |
Restricted cash included in Prepaid expenses and other current assets (2) | 8 |  |  | 2 |  |  | — |  |  | 6 |  |  | — |  |  | — |
Total cash, cash equivalents and restricted cash shown in Condensed Statements of Consolidated Cash Flows | $ | 45 |  |  | $ | 19 |  |  | $ | — |  |  | $ | 30 |  |  | $ | 14 |  |  | $ | 2 |
(1)Cash and cash equivalents related to VIEs as of September 30, 2025 and December 31, 2024 included $31 million and $21 million, respectively, at CenterPoint Energy and $15 million and $14 million, respectively, at Houston Electric. (2)Restricted cash primarily related to accounts established by CenterPoint Energy in connection with the issuance of the Securitization Bonds to collateralize the Securitization Bonds that were issued in these financing transactions. These restricted cash accounts are not available for withdrawal until the maturity of the Securitization Bonds.

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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