v3.26.3
BENEFIT PLANS - Narrative (Details)
Sep. 30, 2026
plan
Retirement Benefits [Abstract]
Defined benefit plan, number of plans
2
X
- Definition
Defined Benefit Plan, Number Of Unfunded Plans
+ References
No definition available.
+ Details
Name:
aep_DefinedBenefitPlanNumberOfUnfundedPlans
Namespace Prefix:
aep_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration