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Supplemental Disclosure of Cash Flow and Balance Sheet Information (Tables) | 9 Months Ended
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Sep. 30, 2024
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures | The table below provides supplemental disclosure of cash flow information:
| Nine Months Ended September 30,
| 2024 |  | 2023
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Cash Payments/Receipts: |  |  |  |  |  |  |  |  |  |  |
Interest, net of capitalized interest | $ | 620 |  |  | $ | 218 |  |  | $ | 169 |  |  | $ | 521 |  |  | $ | 211 |  |  | $ | 153 |
Income tax payments (refunds), net | (8) |  |  | 26 |  |  | 3 |  |  | 200 |  |  | 12 |  |  | 113 |
Non-cash transactions: |  |  |  |  |  |  |  |  |  |  |
Accounts payable related to capital expenditures | 1,133 |  |  | 1,075 |  |  | 97 |  |  | 264 |  |  | 137 |  |  | 122 |
ROU assets obtained in exchange for lease liabilities (1) | 5 |  |  | — |  |  | — |  |  | 3 |  |  | 1 |  |  | — |
(1) Excludes ROU assets obtained through prepayment of the lease liabilities. See Note 19. 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, 2024 |  | December 31, 2023
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Cash and cash equivalents (1) | $ | 112 |  |  | $ | 97 |  |  | $ | 1 |  |  | $ | 90 |  |  | $ | 76 |  |  | $ | 1 |
Restricted cash included in Prepaid expenses and other current assets (2) | 17 |  |  | 13 |  |  | — |  |  | 19 |  |  | 13 |  |  | — |
Total cash, cash equivalents and restricted cash shown in Condensed Statements of Consolidated Cash Flows | $ | 129 |  |  | $ | 110 |  |  | $ | 1 |  |  | $ | 109 |  |  | $ | 89 |  |  | $ | 1 |
(1)Cash and cash equivalents related to VIEs as of September 30, 2024 and December 31, 2023 included $111 million and $90 million, respectively, at CenterPoint Energy and $96 million and $76 million, respectively, at Houston Electric. (2)Restricted cash primarily related to accounts established by CenterPoint Energy and Houston Electric 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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