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v3.25.3

COMMITMENTS, GUARANTEES AND CONTINGENCIES - Potential Loss on Master Lease Agreements (Details) $ in Millions | Sep. 30, 2025 USD ($)
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Other Commitments [Line Items] |
Maximum Potential Loss | $ 37.9
AEP Texas |
Other Commitments [Line Items] |
Maximum Potential Loss | 8.4
APCo |
Other Commitments [Line Items] |
Maximum Potential Loss | 5.3
I&M |
Other Commitments [Line Items] |
Maximum Potential Loss | 3.9
OPCo |
Other Commitments [Line Items] |
Maximum Potential Loss | 6.4
PSO |
Other Commitments [Line Items] |
Maximum Potential Loss | 3.5
SWEPCo |
Other Commitments [Line Items] |
Maximum Potential Loss | $ 4.4

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