REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) |
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| Revenue from Contract with Customer [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Disaggregated Revenues from Contracts with Customers | The tables below represent AEP’s reportable segment and Registrant Subsidiary revenues from contracts with customers, net of respective provisions for refund, by type of revenue:
(a)Beginning in the first quarter of 2026, PSO and SWEPCo incorporated fuel‑related amounts into unbilled revenues to reflect consideration earned but not yet invoiced as of the balance sheet date. The impact of this change did not have a material impact on the financial statements or related disclosures. (b)Amounts include immaterial affiliated and nonaffiliated revenues. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEP Transmission Holdco were $475 million. The affiliated revenues for Vertically Integrated Utilities were $63 million. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Generation & Marketing were $16 million. The remaining affiliated amounts were immaterial. (e)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Corporate and Other were $27 million. The remaining affiliated amounts were immaterial. (f)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues. (g)Generation & Marketing includes economic hedge activity.
(a)Amounts include immaterial affiliated and nonaffiliated revenues. (b)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEP Transmission Holdco were $558 million. The affiliated revenues for Vertically Integrated Utilities were $65 million. The remaining affiliated amounts were immaterial. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Generation & Marketing were $16 million. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Corporate and Other were $26 million. The remaining affiliated amounts were immaterial. (e)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues. (f)Generation & Marketing includes economic hedge activity.
(a)Beginning in the first quarter of 2026, PSO and SWEPCo incorporated fuel‑related amounts into unbilled revenues to reflect consideration earned but not yet invoiced as of the balance sheet date. The impact of this change did not have a material impact on the financial statements or related disclosures. (b)Amounts include immaterial affiliated and nonaffiliated revenues. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for APCo were $42 million primarily related to the PPA with KGPCo. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEPTCo, APCo and SWEPCo were $471 million, $32 million and $22 million, respectively. The remaining affiliated amounts were immaterial. (e)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for I&M were $17 million primarily related to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial. (f)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues.
(a)Amounts include immaterial affiliated and nonaffiliated revenues. (b)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for APCo were $36 million primarily related to the PPA with KGPCo. The remaining affiliated amounts were immaterial. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEPTCo, APCo and SWEPCo were $555 million, $22 million and $21 million, respectively. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for I&M were $18 million primarily related to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial. (e)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues.
(a)Beginning in the first quarter of 2026, PSO and SWEPCo incorporated fuel‑related amounts into unbilled revenues to reflect consideration earned but not yet invoiced as of the balance sheet date. The impact of this change did not have a material impact on the financial statements or related disclosures. (b)Amounts include immaterial affiliated and nonaffiliated revenues. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEP Transmission Holdco were $933 million. The affiliated revenues for Vertically Integrated Utilities were $118 million. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Generation & Marketing were $37 million. The remaining affiliated amounts were immaterial. (e)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Corporate and Other were $56 million. The remaining affiliated amounts were immaterial. (f)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues. (g)Generation & Marketing includes economic hedge activity.
(a)Amounts include immaterial affiliated and nonaffiliated revenues. (b)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEP Transmission Holdco were $969 million. The affiliated revenues for Vertically Integrated Utilities were $104 million. The remaining affiliated amounts were immaterial. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Generation & Marketing were $32 million. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for Corporate and Other were $55 million. The remaining affiliated amounts were immaterial. (e)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues. (f)Generation & Marketing includes economic hedge activity.
(a)Beginning in the first quarter of 2026, PSO and SWEPCo incorporated fuel‑related amounts into unbilled revenues to reflect consideration earned but not yet invoiced as of the balance sheet date. The impact of this change did not have a material impact on the financial statements or related disclosures. (b)Amounts include immaterial affiliated and nonaffiliated revenues. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for APCo were $97 million primarily related to the PPA with KGPCo. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEPTCo, APCo and SWEPCo were $925 million, $65 million and $42 million, respectively. The remaining affiliated amounts were immaterial. (e)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for I&M were $34 million primarily related to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial. (f)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues.
(a)Amounts include immaterial affiliated and nonaffiliated revenues. (b)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for APCo were $81 million primarily related to the PPA with KGPCo. The remaining affiliated amounts were immaterial. (c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for AEPTCo, APCo and SWEPCo were $962 million, $41 million and $31 million, respectively. The remaining affiliated amounts were immaterial. (d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenues for I&M were $36 million primarily related to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial. (e)Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over/under collection of related revenues. Amounts include immaterial affiliated and nonaffiliated revenues.
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| Schedule of Fixed Performance Obligations | The following table represents the Registrants’ remaining fixed performance obligations satisfied over time as of June 30, 2026. Fixed performance obligations primarily include electricity sales for fixed amounts of energy and stand ready services into PJM’s RPM market. The Registrants elected to apply the exemption to not disclose the value of unsatisfied performance obligations for contracts with an original expected term of one year or less. Due to the annual establishment of revenue requirements, transmission revenues are excluded from the table below. The Registrant Subsidiaries amounts shown in the table below include affiliated and nonaffiliated revenues.
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| Schedule of Affiliated Accounts Receivable Contracts with Customers | The following table represents the amount of affiliated accounts receivable from contracts with customers included in Accounts Receivable - Affiliated Companies on the Registrant Subsidiaries’ balance sheets:
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