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Significant Accounting Matters (Tables) | 6 Months Ended
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Jun. 30, 2024
Reconciliation of Cash, Cash Equivalents and Restricted Cash |
|  | June 30, 2024
|  | AEP |  | AEP Texas |  | APCo
|  | (in millions)
Cash and Cash Equivalents |  | $ | 202.5 |  |  | $ | 0.1 |  |  | $ | 4.0 |
Restricted Cash |  | 45.4 |  |  | 29.4 |  |  | 15.9 |
Total Cash, Cash Equivalents and Restricted Cash |  | $ | 247.9 |  |  | $ | 29.5 |  |  | $ | 19.9 |
|  | December 31, 2023
|  | AEP |  | AEP Texas |  | APCo
|  | (in millions)
Cash and Cash Equivalents |  | $ | 330.1 |  |  | $ | 0.1 |  |  | $ | 5.0 |
Restricted Cash |  | 48.9 |  |  | 34.0 |  |  | 14.9 |
Total Cash, Cash Equivalents and Restricted Cash |  | $ | 379.0 |  |  | $ | 34.1 |  |  | $ | 19.9 |
Earnings Per Share |
| Three Months Ended June 30,
| 2024 |  | 2023
| (in millions, except per share data)
|  |  | $/share |  |  |  | $/share
Earnings Attributable to AEP Common Shareholders | $ | 340.3 |  |  |  |  | $ | 521.2 |  |  |
Weighted-Average Number of Basic AEP Common Shares Outstanding | 528.9 |  |  | $ | 0.64 |  |  | 514.9 |  |  | $ | 1.01 |
Weighted-Average Dilutive Effect of Stock-Based Awards | 1.2 |  |  | — |  |  | 1.3 |  |  | — |
Weighted-Average Number of Diluted AEP Common Shares Outstanding | 530.1 |  |  | $ | 0.64 |  |  | 516.2 |  |  | $ | 1.01 |
| Six Months Ended June 30,
| 2024 |  | 2023
| (in millions, except per share data)
|  |  | $/share |  |  |  | $/share
Earnings Attributable to AEP Common Shareholders | $ | 1,343.4 |  |  |  |  | $ | 918.2 |  |  |
Weighted-Average Number of Basic AEP Common Shares Outstanding | 527.7 |  |  | $ | 2.55 |  |  | 514.5 |  |  | $ | 1.78 |
Weighted-Average Dilutive Effect of Stock-Based Awards | 1.2 |  |  | (0.01) |  |  | 1.4 |  |  | — |
Weighted-Average Number of Diluted AEP Common Shares Outstanding | 528.9 |  |  | $ | 2.54 |  |  | 515.9 |  |  | $ | 1.78 |
Schedule of Error Corrections and Prior Period Adjustments |
|  | Six Months Ended June 30, 2023
|  | As Reported |  | Adjustments |  | As Revised
|  | (in millions)
OPERATING ACTIVITIES |  |  |  |  |  |
Accounts Payable |  | $ | 46.8 |  |  | $ | (72.0) |  |  | $ | (25.2) |
Net Cash Flows from Operating Activities |  | $ | 501.7 |  |  | $ | (72.0) |  |  | $ | 429.7 |
INVESTING ACTIVITIES |  |  |  |  |  |
Acquisitions of Nuclear Fuel |  | $ | (73.9) |  |  | $ | 72.0 |  |  | $ | (1.9) |
Net Cash Flows Used for Investing Activities |  | $ | (382.2) |  |  | $ | 72.0 |  |  | $ | (310.2) |
SUPPLEMENTARY INFORMATION |  |  |  |  |  |
Acquisition of Nuclear Fuel Included in Current Liabilities |  | $ | (36.0) |  |  | $ | 72.0 |  |  | $ | 36.0 |

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