0000004904 2025-01-09 2025-01-09 0000004904 aep:AEPTransmissionCoMember 2025-01-09 2025-01-09 0000004904 us-gaap:CommonStockMember exch:XNAS 2025-01-09 2025-01-09 0000004904 false 8-K 2025-01-09 AMERICAN ELECTRIC POWER COMPANY, INC. NY 1-3525 13-4922640 AEP TRANSMISSION COMPANY, LLC DE 333-217143 46-1125168 1 Riverside Plaza, Columbus, OH 43215 (614) 716-1000 false false false false Common Stock, $6.50 par value AEP NASDAQ false