RATE MATTERS - AEP Texas Rate Matters (Details) - 2024 AEP Texas Base Rate Case - AEP TEXAS INC. - USD ($) $ in Millions	1 Months Ended
Jul. 31, 2024	Feb. 29, 2024
Public Utilities, General Disclosures [Line Items]
Requested annual base rate increase		$ 164
Requested return on equity		10.60%
Requested debt capital structure		55.00%
Requested equity capital structure		45.00%
Approved annual base rate increase	$ 70
Approved return on equity	9.76%
Approved debt capital structure	57.50%
Approved equity capital structure	42.50%

Percentage of public utility's approved debt to capital, including debt and equity.

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Percentage of public utility's approved equity to capital, including debt and equity.

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

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Percentage of public utility's approved return on equity.

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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.

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Percentage of public utility's requested debt to capital, including debt and equity.

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No definition available.

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Percentage of public utility's requested equity to capital, including debt and equity.

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No definition available.

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Amount of public utility's requested rate increase (decrease) with regulatory agency.

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Percentage of public utility's requested return on equity.

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