CONDENSED CONSOLIDATED STATEMENTS OF INCOME - SWEPCo - 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 (Benefit)	138.7	37.5	13.3	(97.7)
Equity Earnings of Unconsolidated Subsidiaries	21.1	17.3	79.9	67.0
NET INCOME	1,000.3	961.7	3,090.8	2,309.9
Net Income Attributable to Noncontrolling Interests	28.3	2.1	92.8	6.9
EARNINGS (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS, Basic	972.0	959.6	2,998.0	2,303.0
EARNINGS (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS, Diluted	972.0	959.6	2,998.0	2,303.0
SWEPCo
REVENUES
TOTAL REVENUES	723.9	638.8	1,825.4	1,550.8
EXPENSES
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation	192.4	204.1	575.8	582.1
Other Operation	122.1	95.1	326.9	324.3
Maintenance	54.8	35.3	139.7	125.9
Depreciation and Amortization	128.0	117.7	334.0	297.6
Taxes Other Than Income Taxes	35.8	34.1	99.9	93.8
TOTAL EXPENSES	533.1	486.3	1,476.3	1,423.7
OPERATING INCOME	190.8	152.5	349.1	127.1
Other Income (Expense):
Interest Income	3.5	3.1	8.4	11.4
Allowance for Equity Funds Used During Construction	7.3	2.9	14.3	9.7
Non-Service Cost Components of Net Periodic Benefit Cost	1.7	2.6	5.1	7.6
Interest Expense	(36.9)	(31.9)	(109.8)	(75.1)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT)	166.4	129.2	267.1	80.7
Income Tax Expense (Benefit)	(23.3)	(10.5)	(87.9)	(198.8)
Equity Earnings of Unconsolidated Subsidiaries	0.2	0.4	0.8	1.1
NET INCOME	189.9	140.1	355.8	280.6
Net Income Attributable to Noncontrolling Interests	0.7	1.0	2.5	3.5
EARNINGS (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS, Basic	189.2	139.1	353.3	277.1
EARNINGS (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS, Diluted	189.2	139.1	353.3	277.1
Electric Generation, Transmission and Distribution | SWEPCo
REVENUES
TOTAL REVENUES	694.3	625.1	1,760.7	1,680.5
Sales to AEP Affiliates | SWEPCo | Affiliated Entity
REVENUES
TOTAL REVENUES	28.2	19.7	63.7	50.5
(Provision for)/Reversal of – Revenue Refund – Nonaffiliated | SWEPCo
REVENUES
TOTAL REVENUES	(4.6)	(6.7)	(9.1)	(187.2)
Other Revenues
REVENUES
TOTAL REVENUES	125.2	119.1	415.8	380.4
Other Revenues | SWEPCo
REVENUES
TOTAL REVENUES	$ 6.0	$ 0.7	$ 10.1	$ 7.0