CONDENSED CONSOLIDATED STATEMENTS OF INCOME - APCo - 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
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):
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)
APCo
REVENUES
TOTAL REVENUES	1,056.0	1,028.9	3,176.5	3,032.1
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	374.1	358.4	1,072.1	1,060.0
Other Operation	206.4	204.2	639.4	628.8
Maintenance	105.1	86.4	267.2	244.7
Depreciation and Amortization	151.8	149.0	485.6	444.5
Taxes Other Than Income Taxes	45.7	44.3	125.0	132.5
TOTAL EXPENSES	883.1	842.3	2,589.3	2,510.5
OPERATING INCOME	172.9	186.6	587.2	521.6
Other Income (Expense):
Interest Income	0.5	1.8	3.2	3.8
Allowance for Equity Funds Used During Construction	4.2	4.2	12.8	11.4
Non-Service Cost Components of Net Periodic Benefit Cost	5.2	6.9	15.7	20.4
Interest Expense	(70.0)	(67.2)	(207.6)	(203.4)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT)	112.8	132.3	411.3	353.8
Income Tax Expense	31.7	22.5	58.7	49.2
NET INCOME	81.1	109.8	352.6	304.6
Electric Generation, Transmission and Distribution | APCo
REVENUES
TOTAL REVENUES	981.7	960.6	2,955.4	2,836.6
Sales to AEP Affiliates | APCo | Affiliated Entity
REVENUES
TOTAL REVENUES	70.3	65.2	208.5	183.1
Other Revenues
REVENUES
TOTAL REVENUES	125.2	119.1	415.8	380.4
Other Revenues | APCo
REVENUES
TOTAL REVENUES	$ 4.0	$ 3.1	$ 12.6	$ 12.4