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Related Party Transactions (Houston Electric and CERC) (Tables) | 6 Months Ended
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Jun. 30, 2024
Related Party Transactions [Abstract] |
Schedule of Money Pool Investment and Borrowing | The table below summarizes CenterPoint Energy money pool activity:
| June 30, 2024 |  | December 31, 2023
| Houston Electric |  | CERC |  | Houston Electric |  | CERC
| (in millions, except interest rates)
Money pool investments, net (1) | $ | 287 |  |  | $ | 72 |  |  | $ | 238 |  |  | $ | 1 |
Weighted average interest rate | 5.54 | % |  | 5.54 | % |  | 5.59 | % |  | 5.59 | %
(1)Included in Accounts and notes receivable–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 June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
| Houston Electric |  | CERC |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC
| (in millions)
Corporate service charges | $ | 44 |  |  | $ | 55 |  |  | $ | 40 |  |  | $ | 56 |  |  | $ | 79 |  |  | $ | 106 |  |  | $ | 75 |  |  | $ | 106 |
Net affiliate service charges (billings) | (2) |  |  | 2 |  |  | (3) |  |  | 3 |  |  | (3) |  |  | 3 |  |  | (6) |  |  | 6 |
The table below presents transactions among Houston Electric, CERC and their parent, Utility Holding:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
|  | Houston Electric |  | CERC |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC
|  | (in millions)
Cash dividends paid to parent |  | $ | 119 |  |  | $ | 131 |  |  | $ | 109 |  |  | $ | 107 |  |  | $ | 155 |  |  | $ | 246 |  |  | $ | 160 |  |  | $ | 311 |
Cash contribution from parent |  | — |  |  | 290 |  |  | — |  |  | 500 |  |  | 230 |  |  | 290 |  |  | 650 |  |  | 500 |

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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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