v3.26.3
CONDENSED CONSOLIDATED STATEMENTS OF INCOME - AEP Transmission Holdco - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
REVENUES        
TOTAL REVENUES $ 6,832 $ 6,011 $ 18,297 $ 16,561
EXPENSES        
Other Operation 1,028 798 2,592 2,088
Maintenance 447 405 1,302 1,114
Depreciation and Amortization 1,025 879 2,842 2,566
Taxes Other Than Income Taxes 433 426 1,303 1,213
TOTAL EXPENSES 5,020 4,489 13,878 12,356
OPERATING INCOME 1,812 1,522 4,419 4,205
Other Income (Expense):        
Allowance for Equity Funds Used During Construction 81 59 226 173
Interest Expense (606) (509) (1,743) (1,493)
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) 1,318 1,118 3,010 3,024
Income Tax Expense (Benefit) 125 139 221 13
NET INCOME 1,218 1,000 2,868 3,091
Net Income Attributable to Noncontrolling Interest 31 28 94 93
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Basic 1,187 972 2,774 2,998
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Diluted 1,187 972 2,774 2,998
Nonrelated Party        
REVENUES        
TOTAL REVENUES 6,832 6,011 18,297 16,561
AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES 594 558 1,760 1,827
EXPENSES        
Other Operation 49 41 135 106
Maintenance 11 10 29 21
Depreciation and Amortization 133 121 389 354
Taxes Other Than Income Taxes 76 86 250 236
TOTAL EXPENSES 269 258 803 717
OPERATING INCOME 325 300 957 1,110
Other Income (Expense):        
Interest Income 3 1 7 3
Allowance for Equity Funds Used During Construction 27 22 75 65
Interest Expense (67) (61) (196) (173)
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) 288 262 843 1,005
Income Tax Expense (Benefit) 62 57 184 (28)
NET INCOME 226 205 659 1,033
Net Income Attributable to Noncontrolling Interest 30 26 88 87
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Basic 196 179 571 946
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Diluted 196 179 571 946
AEP TRANSMISSION COMPANY, LLC | Affiliated Entity        
REVENUES        
TOTAL REVENUES 480 450 1,422 1,470
AEP TRANSMISSION COMPANY, LLC | Nonrelated Party        
REVENUES        
TOTAL REVENUES 112 108 329 357
Transmission Revenues | AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES 115 108 335 325
Sales to AEP Affiliates | AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES 501 450 1,448 1,350
(Provision For) Reversal Of Refund | AEP TRANSMISSION COMPANY, LLC | Affiliated Entity        
REVENUES        
TOTAL REVENUES (21) 0 (26) 120
(Provision For) Reversal Of Refund | AEP TRANSMISSION COMPANY, LLC | Nonrelated Party        
REVENUES        
TOTAL REVENUES (3) 0 (6) 32
Other Revenues        
REVENUES        
TOTAL REVENUES 134 126 398 416
Other Revenues | AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES $ 2 $ 0 $ 9 $ 0