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Goodwill | 12 Months Ended
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Dec. 31, 2023
Goodwill | GOODWILL The disclosure in this note applies to AEP only. AEP’s carrying amount of goodwill for the years ended December 31, 2023 and 2022 by operating segment are as follows:
|  | Corporate and Other |  | Generation & Marketing |  | AEP Consolidated
| (in millions)
Balance as of December 31, 2021 |  | $ | 37.1 |  |  | $ | 15.4 |  |  | $ | 52.5 |
Impairment Losses |  | — |  |  | — |  |  | — |
Balance as of December 31, 2022 |  | 37.1 |  |  | 15.4 |  |  | 52.5 |
Impairment Losses |  | — |  |  | — |  |  | — |
Balance as of December 31, 2023 |  | $ | 37.1 |  |  | $ | 15.4 |  |  | $ | 52.5 |
In the fourth quarters of 2023 and 2022, annual impairment tests were performed. The fair values of the reporting units with goodwill were estimated using cash flow projections and other market value indicators. There were no goodwill impairment losses. AEP does not have any accumulated impairment on existing goodwill.

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