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Supplemental Disclosure of Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2023
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,
| 2023 |  | 2022
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Cash Payments/Receipts: |  |  |  |  |  |  |  |  |  |  |
Interest, net of capitalized interest | $ | 521 |  |  | $ | 211 |  |  | $ | 153 |  |  | $ | 376 |  |  | $ | 188 |  |  | $ | 67 |
Income tax payments, net | 200 |  |  | 12 |  |  | 113 |  |  | 340 |  |  | 113 |  |  | 3 |
Non-cash transactions: |  |  |  |  |  |  |  |  |  |  |
Accounts payable related to capital expenditures | 264 |  |  | 137 |  |  | 122 |  |  | 333 |  |  | 197 |  |  | 145 |
ROU assets obtained in exchange for lease liabilities (1) | 3 |  |  | 1 |  |  | — |  |  | 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, 2023 |  | December 31, 2022
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Cash and cash equivalents (1) | $ | 120 |  |  | $ | 113 |  |  | $ | 1 |  |  | $ | 74 |  |  | $ | 75 |  |  | $ | — |
Restricted cash included in Prepaid expenses and other current assets | 18 |  |  | 13 |  |  | — |  |  | 17 |  |  | 13 |  |  | — |
Total cash, cash equivalents and restricted cash shown in Condensed Statements of Consolidated Cash Flows | $ | 138 |  |  | $ | 126 |  |  | $ | 1 |  |  | $ | 91 |  |  | $ | 88 |  |  | $ | — |
(1)Cash and cash equivalents related to VIEs as of September 30, 2023 and December 31, 2022 included $118 million and $75 million, respectively, at CenterPoint Energy and $113 million and $75 million, respectively, at Houston Electric.

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