XML 112 R71.htm IDEA: XBRL DOCUMENT
v3.25.1

COMPREHENSIVE INCOME (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Stockholders' Equity Note [Abstract] |
Changes in Accumulated Other Comprehensive Income (Loss) by Component | The following tables provide AEP’s components of changes in AOCI and details of reclassifications from AOCI. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 - Benefit Plans for additional information.
|  | Cash Flow Hedges |  | Pension |  |
Three Months Ended March 31, 2025 |  | Commodity |  | Interest Rate |  | and OPEB |  | Total
|  | (in millions)
Balance in AOCI as of December 31, 2024 |  | $ | 98.5 |  |  | $ | 3.3 |  |  | $ | (104.9) |  |  | $ | (3.1) |
Change in Fair Value Recognized in AOCI, Net of Tax |  | 38.2 |  |  | (1.0) |  |  | — |  |  | 37.2 |
Amount of (Gain) Loss Reclassified from AOCI |  |  |  |  |  |  |  |
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) |  | (16.5) |  |  | — |  |  | — |  |  | (16.5) |
Interest Expense (a) |  | — |  |  | (1.4) |  |  | — |  |  | (1.4) |
Amortization of Prior Service Cost (Credit) |  | — |  |  | — |  |  | (0.1) |  |  | (0.1) |
Amortization of Actuarial (Gains) Losses |  | — |  |  | — |  |  | 0.5 |  |  | 0.5 |
Reclassifications from AOCI, before Income Tax (Expense) Benefit |  | (16.5) |  |  | (1.4) |  |  | 0.4 |  |  | (17.5) |
Income Tax (Expense) Benefit |  | (3.5) |  |  | (0.3) |  |  | 0.1 |  |  | (3.7) |
Reclassifications from AOCI, Net of Income Tax (Expense) Benefit |  | (13.0) |  |  | (1.1) |  |  | 0.3 |  |  | (13.8) |
Net Current Period Other Comprehensive Income (Loss) |  | 25.2 |  |  | (2.1) |  |  | 0.3 |  |  | 23.4 |
Balance in AOCI as of March 31, 2025 |  | $ | 123.7 |  |  | $ | 1.2 |  |  | $ | (104.6) |  |  | $ | 20.3 |
|  | Cash Flow Hedges |  | Pension |  |
Three Months Ended March 31, 2024 |  | Commodity |  | Interest Rate |  | and OPEB |  | Total
|  | (in millions)
Balance in AOCI as of December 31, 2023 |  | $ | 104.9 |  |  | $ | (8.1) |  |  | $ | (152.3) |  |  | $ | (55.5) |
Change in Fair Value Recognized in AOCI, Net of Tax |  | 5.5 |  |  | 12.4 |  |  | — |  |  | 17.9 |
Amount of (Gain) Loss Reclassified from AOCI |  |  |  |  |  |  |  |
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a) |  | (29.3) |  |  | — |  |  | — |  |  | (29.3) |
Interest Expense (a) |  | — |  |  | (1.2) |  |  | — |  |  | (1.2) |
Amortization of Prior Service Cost (Credit) |  | — |  |  | — |  |  | (1.3) |  |  | (1.3) |
Amortization of Actuarial (Gains) Losses |  | — |  |  | — |  |  | 0.5 |  |  | 0.5 |
Reclassifications from AOCI, before Income Tax (Expense) Benefit |  | (29.3) |  |  | (1.2) |  |  | (0.8) |  |  | (31.3) |
Income Tax (Expense) Benefit |  | (6.1) |  |  | (0.3) |  |  | (0.2) |  |  | (6.6) |
Reclassifications from AOCI, Net of Income Tax (Expense) Benefit |  | (23.2) |  |  | (0.9) |  |  | (0.6) |  |  | (24.7) |
Net Current Period Other Comprehensive Income (Loss) |  | (17.7) |  |  | 11.5 |  |  | (0.6) |  |  | (6.8) |
Balance in AOCI as of March 31, 2024 |  | $ | 87.2 |  |  | $ | 3.4 |  |  | $ | (152.9) |  |  | $ | (62.3) |
(a)Amounts reclassified to the referenced line item on the statements of income.

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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