CONDENSED CONSOLIDATED STATEMENTS OF INCOME - OPCo - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
REVENUES
TOTAL REVENUES	$ 5,463.4	$ 5,025.7
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	1,852.9	1,575.8
Other Operation	752.4	762.3
Maintenance	318.5	317.5
Depreciation and Amortization	833.4	787.1
Taxes Other Than Income Taxes	422.0	410.4
TOTAL EXPENSES	4,179.2	3,853.1
OPERATING INCOME	1,284.2	1,172.6
Other Income (Expense):
Other Income	7.8	13.6
Allowance for Equity Funds Used During Construction	57.3	43.6
Non-Service Cost Components of Net Periodic Benefit Cost	35.1	45.1
Interest Expense	(494.9)	(435.6)
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS	889.5	839.3
Income Tax Expense (Benefit)	125.5	(141.9)
Equity Earnings of Unconsolidated Subsidiaries	38.2	24.5
OPCo
REVENUES
TOTAL REVENUES	1,003.5	1,023.8
EXPENSES
Other Operation	333.7	293.2
Maintenance	52.6	61.3
Depreciation and Amortization	93.9	105.8
Taxes Other Than Income Taxes	158.7	150.8
TOTAL EXPENSES	901.7	916.4
OPERATING INCOME	101.8	107.4
Other Income (Expense):
Other Income	0.9	0.0
Allowance for Equity Funds Used During Construction	7.0	5.5
Non-Service Cost Components of Net Periodic Benefit Cost	4.3	5.5
Interest Expense	(38.4)	(34.6)
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS	75.6	83.8
Income Tax Expense (Benefit)	13.9	13.2
Equity Earnings of Unconsolidated Subsidiaries	1.3	0.0
NET INCOME	63.0	70.6
OPCo | Affiliated Entity
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	15.9	46.6
OPCo | Nonrelated Party
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	246.9	258.7
Electricity, Transmission and Distribution | OPCo
REVENUES
TOTAL REVENUES	990.2	1,015.4
Sales to AEP Affiliates | OPCo | Affiliated Entity
REVENUES
TOTAL REVENUES	9.7	5.7
Other Revenues
REVENUES
TOTAL REVENUES	131.8	125.4
Other Revenues | OPCo
REVENUES
TOTAL REVENUES	$ 3.6	$ 2.7