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v3.23.1

Related Party Transactions (Houston Electric and CERC) (Tables) | 3 Months Ended
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Mar. 31, 2023
Related Party Transactions [Abstract] |
Schedule of Money Pool Investment and Borrowing | The table below summarizes CenterPoint Energy money pool activity:
| March 31, 2023 |  | December 31, 2022
| Houston Electric |  | CERC |  | Houston Electric |  | CERC
| (in millions, except interest rates)
Money pool investments (borrowings) (1) | $ | 313 |  |  | $ | 30 |  |  | $ | (642) |  |  | $ | — |
Weighted average interest rate | 5.27 | % |  | 5.27 | % |  | 4.75 | % |  | 4.75 | %
(1)Included in Accounts and notes receivable (payable)–affiliated companies on Houston Electric’s and CERC’s respective Condensed Consolidated Balance Sheets.
Schedule of Related Party Transactions | Amounts charged for these services were as follows and are included primarily in operation and maintenance expenses:
|  |  | Three Months Ended March 31,
|  |  |  |  | 2023 |  | 2022
|  |  |  |  |  |  |  |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC
|  |  |  |  |  |  |  | (in millions)
Corporate service charges |  |  |  |  |  |  |  |  | $ | 35 |  |  | $ | 50 |  |  | $ | 39 |  |  | $ | 58 |
Net affiliate service charges (billings) |  |  |  |  |  |  |  |  | (3) |  |  | 3 |  |  | (6) |  |  | 6 |
The table below presents transactions among Houston Electric, CERC and their parent, CenterPoint Energy.
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2023 |  | 2022
|  |  |  |  |  |  |  |  |  | Houston Electric |  | CERC |  | Houston Electric |  | CERC
|  |  |  |  |  |  |  |  | (in millions)
Cash dividends paid to parent |  |  |  |  |  |  |  |  |  | $ | 51 |  |  | $ | 204 |  |  | $ | 37 |  |  | $ | 38 |
Cash dividend paid to parent related to the sale of the Arkansas and Oklahoma Natural Gas businesses |  |  |  |  |  |  |  |  |  | — |  |  | — |  |  | — |  |  | 720 |
Cash contribution from parent |  |  |  |  |  |  |  |  |  | 650 |  |  | — |  |  | 637 |  |  | — |
Non-cash capital contribution from parent in payment for property, plant and equipment below |  |  |  |  |  |  |  |  |  | — |  |  | — |  |  | 38 |  |  | 54 |
Cash paid to parent for property, plant and equipment below |  |  |  |  |  |  |  |  |  | — |  |  | — |  |  | 52 |  |  | 48 |
Property, plant and equipment from parent (1) |  |  |  |  |  |  |  |  |  | — |  |  | — |  |  | 90 |  |  | 102 |
(1) Property, plant and equipment purchased from CenterPoint Energy at its net carrying value on the date of purchase.

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- Definition [Table Text Block] for Tabular disclosure the investments and borrowing within the money pool activities. + References No definition available. + Details
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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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