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v3.25.1

COMMITMENTS, GUARANTEES AND CONTINGENCIES - Potential Loss on Master Lease Agreements (Details) $ in Millions | Mar. 31, 2025 USD ($)
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Other Commitments [Line Items] |
Maximum Potential Loss | $ 38.4
AEP Texas |
Other Commitments [Line Items] |
Maximum Potential Loss | 8.4
APCo |
Other Commitments [Line Items] |
Maximum Potential Loss | 4.9
I&M |
Other Commitments [Line Items] |
Maximum Potential Loss | 3.8
OPCo |
Other Commitments [Line Items] |
Maximum Potential Loss | 6.5
PSO |
Other Commitments [Line Items] |
Maximum Potential Loss | 3.6
SWEPCo |
Other Commitments [Line Items] |
Maximum Potential Loss | $ 4.4

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