XML 126 R85.htm IDEA: XBRL DOCUMENT
v3.25.1

NEW ACCOUNTING STANDARDS (Details) | Apr. 03, 2025 state
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Subsequent Event |
Significant Accounting Matters [Line Items] |
Number of states that filed a motion to intervene | 18

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- Definition Number Of States That Filed A Motion To Intervene + References No definition available. + Details
Name: | aep_NumberOfStatesThatFiledAMotionToIntervene
Namespace Prefix: | aep_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Significant Accounting Matters [Line Items] + References No definition available. + Details
Name: | aep_SignificantAccountingMattersLineItems
Namespace Prefix: | aep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |