Name:	aep_AverageInterestRateForFundsBorrowed
Namespace Prefix:	aep_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

The average interest rate for funds loaned to a Money Pool during the period. The Money Pool represents centralized funding mechanism AEP uses to meet the short-term cash requirements of certain subsidiaries.

No definition available.

Name:	aep_AverageInterestRateForFundsLoaned
Namespace Prefix:	aep_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

The maximum weighted-average interest rate of funds outstanding at that time, calculated on a daily basis, loaned during the period.

No definition available.

Name:	aep_MaximumInterestRateForFundsLoaned
Namespace Prefix:	aep_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

The maximum weighted-average interest rate of funds outstanding at that time, calculated on a daily basis, borrowed during the period.

No definition available.

Name:	aep_MaximumInterestRateforFundsBorrowed
Namespace Prefix:	aep_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

The minimum weighted-average interest rate of funds outstanding at that time, calculated on a daily basis, borrowed during the period.

No definition available.

Name:	aep_MinimumInterestRateForFundsBorrowed
Namespace Prefix:	aep_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

The minimum weighted-average interest rate of funds outstanding at that time, calculated on a daily basis, loaned during the period.

No definition available.

Name:	aep_MinimumInterestRateforFundsLoaned
Namespace Prefix:	aep_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.