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Goodwill (CenterPoint Energy and CERC) (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill by Reportable Segments | CenterPoint Energy’s goodwill by reportable segment is as follows for the periods presented:
| Electric (1) |  | Natural Gas |  | Corporate and Other |  | Total
| (in millions)
Balance at December 31, 2022 | $ | 936 |  |  | $ | 2,920 |  |  | $ | 438 |  |  | $ | 4,294 |
Disposal (2) | — |  |  | — |  |  | 134 |  |  | 134 |
Balance at December 31, 2023 | 936 |  |  | 2,920 |  |  | 304 |  |  | 4,160 |
Held for Sale (3) | — |  |  | 217 |  |  | — |  |  | 217 |
Balance at December 31, 2024 | $ | 936 |  |  | $ | 2,703 |  |  | $ | 304 |  |  | $ | 3,943 |
(1)Balances are presented net of the accumulated goodwill impairment charge of $185 million recorded in 2020. (2)Represents goodwill attributable to the sale of Energy Systems Group. For further information, see Note 4. (3)Represents goodwill attributable to the Louisiana and Mississippi natural gas LDC businesses classified as held for sale as of December 31, 2024. CenterPoint Energy did not recognize any goodwill impairments within the Natural Gas reportable segment for the year ended December 31, 2024. For further information, see Note 4. There were no events impacting CERC’s goodwill for the year ended December 31, 2023. CERC’s goodwill is as follows for the periods presented:
| December 31, 2023 |  | Held for Sale (1) |  |  |  | December 31, 2024
| (in millions)
Goodwill | $ | 1,583 |  |  | $ | 122 |  |  |  |  | $ | 1,461 |
(1)Represents goodwill attributable to CERC to be disposed of as part of the potential sale of the Louisiana and Mississippi natural gas LDC businesses was classified as held for sale as of December 31, 2024. CERC did not recognize any goodwill impairments during the year ended December 31, 2024. For further information, see Note 4.

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