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v3.25.2

VARIABLE INTEREST ENTITIES (Tables) | 6 Months Ended
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Jun. 30, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Consolidated Assets And Liabilities Of Variable Interest Entities | The balances below represent the assets and liabilities of AEP’s consolidated VIEs. These balances include intercompany transactions that are eliminated upon consolidation.
| June 30, 2025
| Consolidated VIEs
| SWEPCo Sabine |  | I&M DCC Fuel |  |  |  | AEP Texas Restoration Funding |  | APCo Appalachian Consumer Rate Relief Funding |  | SWEPCo Storm Recovery Funding |  | KPCo Cost Recovery Funding |  | AEP Credit |  | Protected Cell of EIS |  | Transource Energy
| (in millions)
ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets | $ | 3.1 |  |  | $ | 95.0 |  |  |  |  | $ | 18.6 |  |  | $ | 16.0 |  |  | $ | 18.1 |  |  | $ | 3.1 |  |  | $ | 1,235.0 |  |  | $ | 209.9 |  |  | $ | 58.6 |
Net Property, Plant and Equipment | — |  |  | 181.1 |  |  |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 621.8 |
Other Noncurrent Assets | 97.1 |  |  | 98.1 |  |  |  |  | 110.6 |  | (a) | 93.7 |  | (b) | 324.7 |  |  | 469.4 |  | (c) | 10.7 |  |  | — |  |  | 7.9 |
Total Assets | $ | 100.2 |  |  | $ | 374.2 |  |  |  |  | $ | 129.2 |  |  | $ | 109.7 |  |  | $ | 342.8 |  |  | $ | 472.5 |  |  | $ | 1,245.7 |  |  | $ | 209.9 |  |  | $ | 688.3 |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities | $ | 16.6 |  |  | $ | 94.8 |  |  |  |  | $ | 30.7 |  |  | $ | 30.8 |  |  | $ | 28.5 |  |  | $ | 10.7 |  |  | $ | 1,179.5 |  |  | $ | 46.6 |  |  | $ | 30.1 |
Noncurrent Liabilities | 83.4 |  |  | 279.4 |  |  |  |  | 97.2 |  |  | 77.0 |  |  | 312.6 |  |  | 459.4 |  |  | 1.0 |  |  | 105.6 |  |  | 333.1 |
Equity | 0.2 |  |  | — |  |  |  |  | 1.3 |  |  | 1.9 |  |  | 1.7 |  |  | 2.4 |  |  | 65.2 |  |  | 57.7 |  |  | 325.1 |
Total Liabilities and Equity | $ | 100.2 |  |  | $ | 374.2 |  |  |  |  | $ | 129.2 |  |  | $ | 109.7 |  |  | $ | 342.8 |  |  | $ | 472.5 |  |  | $ | 1,245.7 |  |  | $ | 209.9 |  |  | $ | 688.3 |
(a)Includes an intercompany item eliminated in consolidation of $5 million. (b)Includes an intercompany item eliminated in consolidation of $1 million. (c)Includes an intercompany item eliminated in consolidation of $16 million.
| December 31, 2024
| Consolidated VIEs
| SWEPCo Sabine |  | I&M DCC Fuel |  |  |  | AEP Texas Restoration Funding |  | APCo Appalachian Consumer Rate Relief Funding |  | SWEPCo Storm Recovery Funding |  | AEP Credit |  | Protected Cell of EIS |  | Transource Energy
| (in millions)
ASSETS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Assets | $ | 6.0 |  |  | $ | 79.3 |  |  |  |  | $ | 21.3 |  |  | $ | 14.2 |  |  | $ | 3.4 |  |  | $ | 1,118.3 |  |  | $ | 218.5 |  |  | $ | 40.2 |
Net Property, Plant and Equipment | — |  |  | 132.3 |  |  |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 598.3 |
Other Noncurrent Assets | 110.8 |  | 63.6 |  |  |  | 121.9 |  | (a) | 109.6 | (b) | 331.4 |  | 10.5 |  |  | — |  |  | 3.5 |
Total Assets | $ | 116.8 |  |  | $ | 275.2 |  |  |  |  | $ | 143.2 |  |  | $ | 123.8 |  |  | $ | 334.8 |  |  | $ | 1,128.8 |  |  | $ | 218.5 |  |  | $ | 642.0 |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current Liabilities | $ | 20.1 |  |  | $ | 79.2 |  |  |  |  | $ | 30.7 |  |  | $ | 30.5 |  |  | $ | 24.4 |  |  | $ | 1,068.8 |  |  | $ | 54.7 |  |  | $ | 57.2 |
Noncurrent Liabilities | 96.3 |  |  | 196.0 |  |  |  |  | 111.2 |  |  | 91.4 |  | 308.7 |  | 1.0 |  | 96.0 |  |  | 274.3 |
Equity | 0.4 |  | — |  |  |  |  | 1.3 |  | 1.9 |  | 1.7 |  | 59.0 |  |  | 67.8 |  |  | 310.5 |
Total Liabilities and Equity | $ | 116.8 |  |  | $ | 275.2 |  |  |  |  | $ | 143.2 |  |  | $ | 123.8 |  |  | $ | 334.8 |  |  | $ | 1,128.8 |  |  | $ | 218.5 |  |  | $ | 642.0 |
(a)Includes an intercompany item eliminated in consolidation of $5 million. (b)Includes an intercompany item eliminated in consolidation of $1 million.

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- Definition Schedule of consolidated assets and liabilities of variable interest entities. + References No definition available. + Details
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Namespace Prefix: | aep_
Data Type: | dtr-types:textBlockItemType
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration