SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY - AEPTCO PARENT - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - OHTCo and IMTCo - USD ($)	1 Months Ended
Jan. 31, 2025	Dec. 31, 2024
Subsequent Event
Related Party Transaction [Line Items]
Ownership percentage selling	19.90%
Proceeds from sale of noncontrolling interests	$ 2,820,000,000
Parent Company \| Affiliated Entity \| AEP TRANSMISSION COMPANY, LLC
Related Party Transaction [Line Items]
Notes receivable – affiliated		$ 2,820,000,000
Parent Company \| Affiliated Entity \| AEP TRANSMISSION COMPANY, LLC \| Subsequent Event
Related Party Transaction [Line Items]
Ownership percentage selling	19.90%
Proceeds from sale of noncontrolling interests	$ 2,820,000,000

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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