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Comprehensive Income
 9 Months Ended
Sep. 30, 2023
Comprehensive Income COMPREHENSIVE INCOME
The disclosures in this note apply to AEP only. The impact of AOCI is not material to the financial statements of the Registrant Subsidiaries.

Presentation of Comprehensive Income

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 HedgesPension 
Three Months Ended September 30, 2023CommodityInterest Rateand OPEBTotal
 (in millions)
Balance in AOCI as of June 30, 2023$93.5 $12.7 $(142.6)$(36.4)
Change in Fair Value Recognized in AOCI, Net of Tax19.3 (6.9)— 12.4 
Amount of (Gain) Loss Reclassified from AOCI
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)(15.6)— — (15.6)
Interest Expense (a)— (1.3)— (1.3)
Amortization of Prior Service Cost (Credit)— — (5.3)(5.3)
Amortization of Actuarial (Gains) Losses— — 1.3 1.3 
Reclassifications from AOCI, before Income Tax Benefit(15.6)(1.3)(4.0)(20.9)
Income Tax Benefit(3.4)(0.2)(0.8)(4.4)
Reclassifications from AOCI, Net of Income Tax Benefit(12.2)(1.1)(3.2)(16.5)
Net Current Period Other Comprehensive Income (Loss)7.1 (8.0)(3.2)(4.1)
Balance in AOCI as of September 30, 2023$100.6 $4.7 $(145.8)$(40.5)

 Cash Flow HedgesPension 
Three Months Ended September 30, 2022CommodityInterest Rateand OPEBTotal
 (in millions)
Balance in AOCI as of June 30, 2022$533.6 $(10.8)$28.6 $551.4 
Change in Fair Value Recognized in AOCI, Net of Tax94.3 7.4 — 101.7 
Amount of (Gain) Loss Reclassified from AOCI
Generation & Marketing Revenues (a)0.2 — — 0.2 
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)(222.6)— — (222.6)
Interest Expense (a)— 0.9 — 0.9 
Amortization of Prior Service Cost (Credit)— — (6.2)(6.2)
Amortization of Actuarial (Gains) Losses— — 2.2 2.2 
Reclassifications from AOCI, before Income Tax (Expense) Benefit(222.4)0.9 (4.0)(225.5)
Income Tax (Expense) Benefit(46.6)0.1 (0.8)(47.3)
Reclassifications from AOCI, Net of Income Tax (Expense) Benefit(175.8)0.8 (3.2)(178.2)
Net Current Period Other Comprehensive Income (Loss)(81.5)8.2 (3.2)(76.5)
Balance in AOCI as of September 30, 2022$452.1 $(2.6)$25.4 $474.9 
 Cash Flow HedgesPension 
Nine Months Ended September 30, 2023CommodityInterest Rateand OPEBTotal
 (in millions)
Balance in AOCI as of December 31, 2022$223.5 $0.3 $(140.1)$83.7 
Change in Fair Value Recognized in AOCI, Net of Tax(170.1)5.3 (12.9)(177.7)
Amount of (Gain) Loss Reclassified from AOCI
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)59.7 — — 59.7 
Interest Expense (a)— (1.1)— (1.1)
Amortization of Prior Service Cost (Credit)— — (15.9)(15.9)
Amortization of Actuarial (Gains) Losses— — 3.9 3.9 
Reclassifications from AOCI, before Income Tax (Expense) Benefit59.7 (1.1)(12.0)46.6 
Income Tax (Expense) Benefit12.5 (0.2)(2.5)9.8 
Reclassifications from AOCI, Net of Income Tax (Expense) Benefit47.2 (0.9)(9.5)36.8 
Reclassifications of KPCo Pension and OPEB Regulatory Assets from AOCI— — 21.1 21.1 
Income Tax (Expense) Benefit— — 4.4 4.4 
Reclassifications of KPCo Pension and OPEB Regulatory Assets from AOCI, Net of Income Tax (Expense) Benefit— — 16.7 16.7 
Net Current Period Other Comprehensive Income (Loss)(122.9)4.4 (5.7)(124.2)
Balance in AOCI as of September 30, 2023$100.6 $4.7 $(145.8)$(40.5)
 Cash Flow HedgesPension 
Nine Months Ended September 30, 2022CommodityInterest Rateand OPEBTotal
 (in millions)
Balance in AOCI as of December 31, 2021$163.7 $(21.3)$42.4 $184.8 
Change in Fair Value Recognized in AOCI, Net of Tax629.8 16.2 — 646.0 
Amount of (Gain) Loss Reclassified from AOCI
Generation & Marketing Revenues (a)0.2 — — 0.2 
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation (a)(432.3)— — (432.3)
Interest Expense (a)— 3.1 — 3.1 
Amortization of Prior Service Cost (Credit)— — (16.5)(16.5)
Amortization of Actuarial (Gains) Losses— — 6.4 6.4 
Reclassifications from AOCI, before Income Tax (Expense) Benefit(432.1)3.1 (10.1)(439.1)
Income Tax (Expense) Benefit(90.7)0.6 (2.1)(92.2)
Reclassifications from AOCI, Net of Income Tax (Expense) Benefit(341.4)2.5 (8.0)(346.9)
Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI— — (11.4)(11.4)
Income Tax (Expense) Benefit— — (2.4)(2.4)
Reclassifications of KPCo Pension and OPEB Regulatory Assets to AOCI, Net of Income Tax (Expense) Benefit— — (9.0)(9.0)
Net Current Period Other Comprehensive Income (Loss)288.4 18.7 (17.0)290.1 
Balance in AOCI as of September 30, 2022$452.1 $(2.6)$25.4 $474.9 

(a)Amounts reclassified to the referenced line item on the statements of income.