XML 272 R201.htm IDEA: XBRL DOCUMENT
v3.25.0.1

FINANCING ACTIVITIES - Dividend Restrictions Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |
Restricted net assets | $ 17,400.0 |  |
Retained earnings available to pay dividends | 8,600.0 |  |
Dividends paid on common stock | 1,903.9 | $ 1,760.4 | $ 1,645.2
Retained Earnings |  |  |
Dividends Payable [Line Items] |  |  |
Dividends paid on common stock | $ 1,900.0 | 1,800.0 | 1,600.0
INDIANA MICHIGAN POWER COMPANY |  |  |
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |
Dividends paid on common stock | $ 150.0 | 212.5 | 110.0
AEP TEXAS INC. |  |  |
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |
Dividends paid on common stock | $ 350.0 | 0.0 | 0.0
APPALACHIAN POWER COMPANY |  |  |
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |
Dividends paid on common stock | $ 75.0 | 0.0 | 37.5
SOUTHWESTERN ELECTRIC POWER COMPANY |  |  |
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |
Dividends paid on common stock | $ 250.0 | 175.0 | 105.0
PUBLIC SERVICE COMPANY OF OKLAHOMA |  |  |
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |
Dividends paid on common stock | $ 140.0 | $ 52.5 | $ 45.0
AEP TRANSMISSION COMPANY, LLC |  |  |
Dividends Payable [Line Items] |  |  |
Maximum percentage debt to capitalization | 67.50% |  |

X
- Definition Maximum level of debt to capitalization persuant to credit agreement leverage restrictions. + References No definition available. + Details
Name: | aep_MaximumPercentageDebtToCapitalization
Namespace Prefix: | aep_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition A segregation of retained earnings which is unavailable for dividend distribution. + References No definition available. + Details
Name: | aep_RestrictedNetAssets
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DividendsPayableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of accumulated undistributed earnings (deficit) available for dividend distribution. Includes, but is not limited to, retained earnings not appropriated for specific business purpose. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(3)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_RetainedEarningsUnappropriated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_IndianaMichiganPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_AEPTexasInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_AppalachianPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_SouthwesternElectricPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_PublicServiceCompanyOfOklahomaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_AEPTransmissionCompanyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |