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Related Party Transactions (Houston Electric and CERC) (Tables) | 3 Months Ended
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Mar. 31, 2024
Related Party Transactions [Abstract] |
Schedule of Money Pool Investment and Borrowing | The table below summarizes CenterPoint Energy money pool activity:
| March 31, 2024 |  | December 31, 2023
| Houston Electric |  | CERC |  | Houston Electric |  | CERC
| (in millions, except interest rates)
Money pool investments (borrowings) (1) | $ | 573 |  |  | $ | — |  |  | $ | 238 |  |  | $ | 1 |
Weighted average interest rate | 5.55 | % |  | — | % |  | 5.59 | % |  | 5.59 | %
(1)Included in Accounts and notes receivable (payable)–affiliated companies on Houston Electric’s and CERC’s respective Condensed Consolidated Balance Sheets, as applicable.
Schedule of Related Party Transactions | Amounts charged for these services were as follows and are included primarily in Operation and maintenance expenses on the Condensed Statements of Consolidated Income:
|  |  | Three Months Ended March 31,
|  |  |  |  | 2024 |  | 2023
|  |  |  |  |  |  |  |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC
|  |  |  |  |  |  |  |  | (in millions)
Corporate service charges |  |  |  |  |  |  |  |  | $ | 35 |  |  | $ | 51 |  |  | $ | 35 |  |  | $ | 50 |
Net affiliate service charges (billings) |  |  |  |  |  |  |  |  | (1) |  |  | 1 |  |  | (3) |  |  | 3 |
The table below presents transactions among Houston Electric, CERC and their parent, Utility Holding:
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2024 |  | 2023
|  |  |  |  |  |  |  |  |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC
|  |  |  |  |  |  |  |  |  | (in millions)
Cash dividends paid to parent |  |  |  |  |  |  |  |  |  | $ | 36 |  |  | $ | 115 |  |  | $ | 51 |  |  | $ | 204 |
Cash contribution from parent |  |  |  |  |  |  |  |  |  | 230 |  |  | — |  |  | 650 |  |  | — |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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