CONDENSED CONSOLIDATED STATEMENTS OF INCOME - 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
NET INCOME	802.2	1,005.7
Net Income Attributable to Noncontrolling Interests	2.0	2.6
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Basic	800.2	1,003.1
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Diluted	$ 800.2	$ 1,003.1
WEIGHTED AVERAGE NUMBER OF BASIC AEP COMMON SHARES OUTSTANDING (in shares)	533,391,487	526,552,036
TOTAL BASIC EARNINGS PER SHARE ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS (in dollars per share)	$ 1.50	$ 1.91
WEIGHTED AVERAGE NUMBER OF DILUTED AEP COMMON SHARES OUTSTANDING (in shares)	534,663,493	527,596,395
TOTAL DILUTED EARNINGS PER SHARE ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS (in dollars per share)	$ 1.50	$ 1.90
Vertically Integrated Utilities
REVENUES
TOTAL REVENUES	$ 3,085.5	$ 2,901.2
Transmission and Distribution Utilities
REVENUES
TOTAL REVENUES	1,515.5	1,483.2
Generation & Marketing
REVENUES
TOTAL REVENUES	730.6	515.9
Other Revenues
REVENUES
TOTAL REVENUES	$ 131.8	$ 125.4