CONDENSED CONSOLIDATED STATEMENTS OF INCOME - OPCo - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
REVENUES
TOTAL REVENUES	$ 6,010.4	$ 5,420.1	$ 16,560.7	$ 15,025.0
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	1,980.2	1,659.2	5,374.5	4,603.5
Other Operation	797.8	805.8	2,087.8	2,385.4
Maintenance	405.1	343.7	1,114.3	1,012.7
Asset Impairments and Other Related Charges	0.0	0.0	0.0	142.5
Depreciation and Amortization	879.6	852.7	2,566.1	2,461.7
Taxes Other Than Income Taxes	426.3	407.2	1,213.3	1,211.2
TOTAL EXPENSES	4,489.0	4,068.6	12,356.0	11,817.0
OPERATING INCOME	1,521.4	1,351.5	4,204.7	3,208.0
Other Income (Expense):
Other Income	12.1	28.5	35.4	55.2
Allowance for Equity Funds Used During Construction	58.5	54.2	172.9	153.0
Non-Service Cost Components of Net Periodic Benefit Cost	34.4	46.5	104.1	129.0
Interest Expense	(508.5)	(498.8)	(1,492.9)	(1,400.0)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT)	1,117.9	981.9	3,024.2	2,145.2
Income Tax Expense	138.7	37.5	13.3	(97.7)
Equity Earnings (Loss) of Unconsolidated Subsidiaries	21.1	17.3	79.9	67.0
Nonrelated Party
REVENUES
TOTAL REVENUES	6,010.4	5,420.1	16,560.7	15,025.0
OPCo
REVENUES
TOTAL REVENUES	1,070.2	1,004.2	2,992.7	2,924.3
EXPENSES
Other Operation	340.6	343.2	957.6	920.2
Maintenance	71.8	66.3	187.4	194.7
Asset Impairments and Other Related Charges	0.0	0.0	0.0	52.9
Depreciation and Amortization	96.6	86.1	285.3	293.9
Taxes Other Than Income Taxes	144.5	136.9	423.5	425.0
TOTAL EXPENSES	917.3	845.7	2,584.1	2,615.7
OPERATING INCOME	152.9	158.5	408.6	308.6
Other Income (Expense):
Other Income	0.0	0.9	0.9	1.8
Allowance for Equity Funds Used During Construction	5.2	6.4	19.3	16.2
Non-Service Cost Components of Net Periodic Benefit Cost	4.2	5.4	12.8	16.2
Interest Expense	(39.6)	(38.7)	(117.6)	(109.9)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT)	122.7	132.5	324.0	232.9
Income Tax Expense	21.9	19.8	58.8	30.4
Equity Earnings (Loss) of Unconsolidated Subsidiaries	0.1	0.0	1.5	(0.8)
NET INCOME	100.9	112.7	266.7	201.7
OPCo | Affiliated Entity
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	18.4	14.1	49.1	86.2
OPCo | Nonrelated Party
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	245.4	199.1	681.2	642.8
Electricity, Transmission and Distribution | OPCo
REVENUES
TOTAL REVENUES	1,058.9	995.8	2,959.2	2,899.0
Sales to AEP Affiliates | OPCo | Affiliated Entity
REVENUES
TOTAL REVENUES	7.7	5.6	23.7	17.0
Other Revenues
REVENUES
TOTAL REVENUES	125.2	119.1	415.8	380.4
Other Revenues | OPCo
REVENUES
TOTAL REVENUES	$ 3.6	$ 2.8	$ 9.8	$ 8.3