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v3.24.3

Acquisitions and Dispositions (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Customers |  | $ 963,600,000 |  | $ 1,029,900,000
Net Property, Plant and Equipment |  | 80,073,800,000 |  | 76,693,400,000
Accounts Payable, Current |  | 2,265,600,000 |  | 2,032,500,000
Deferred Income Tax Liabilities, Net |  | 9,958,800,000 |  | 9,415,700,000
Asset Retirement Obligation | [1],[2],[3],[4],[5],[6] | 3,777,000,000 |  | 3,031,200,000
Proceeds from Sale of Assets |  | 365,000,000.0 | $ 1,335,600,000 |
Proceeds from Sale of Equity Method Investments |  | 114,000,000.0 | 0 |
Generation & Marketing | New Mexico Renewable Development |  |  |  |
Proceeds from Sale of Equity Method Investments |  | 107,000,000 |  |
Generation & Marketing | Competitive Contracted Renewables |  |  |  |
Proceeds from Sale of Productive Assets |  |  | 1,200,000,000 |
Gain (Loss) on Disposition of Business |  |  | 112,000,000 |
gain (loss) on Disposition of Business net of Tax |  |  | 88,000,000 |
Public Service Co Of Oklahoma [Member] |  |  |  |
Customers |  | 59,500,000 |  | 107,600,000
Net Property, Plant and Equipment |  | 6,382,800,000 |  | 6,112,300,000
Accounts Payable, Current |  | 181,100,000 |  | 159,300,000
Deferred Income Tax Liabilities, Net |  | 888,600,000 |  | 831,200,000
Asset Retirement Obligation | [1],[3],[4] | 120,900,000 |  | 84,200,000
Public Service Co Of Oklahoma [Member] | Vertically Integrated Utilities [Member] | Rock Falls Wind Facility |  |  |  |
Payments to Acquire Property, Plant, and Equipment |  |  | $ 146,000,000 |
Southwestern Electric Power Co [Member] |  |  |  |
Customers |  | 27,500,000 |  | 39,000,000.0
Net Property, Plant and Equipment |  | 8,908,200,000 |  | 8,558,400,000
Accounts Payable, Current |  | 226,200,000 |  | 198,900,000
Deferred Income Tax Liabilities, Net |  | 1,260,400,000 |  | 1,179,300,000
Asset Retirement Obligation | [1],[2],[3],[4] | 281,900,000 |  | 281,600,000
AEP Transmission Co [Member] |  |  |  |
Customers |  | 61,200,000 |  | 82,200,000
Net Property, Plant and Equipment |  | 15,399,600,000 |  | 14,497,700,000
Accounts Payable, Current |  | 322,500,000 |  | 274,700,000
Deferred Income Tax Liabilities, Net |  | 1,236,900,000 |  | $ 1,147,700,000
AEP OnSite Partners | Generation & Marketing |  |  |  |
Proceeds from Divestiture of Businesses |  | $ 318,000,000 |  |
[1] | Includes ARO related to wind farms.
[2] | Includes ARO related to Sabine and DHLC.
[3] | Includes ARO related to ash disposal facilities.
[4] | Includes ARO related to asbestos removal.
[5] | Includes ARO related to nuclear decommissioning costs for the Cook Plant of $2.1 billion and $2.1 billion as of September 30, 2024 and December 31, 2023, respectively.
[6] | Includes ARO related to solar farms.

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