v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF INCOME - AEP Transmission Holdco - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
REVENUES        
TOTAL REVENUES $ 5,445 $ 5,087 $ 11,465 $ 10,550
EXPENSES        
Other Operation 814 538 1,564 1,290
Maintenance 444 390 855 709
Depreciation and Amortization 910 854 1,817 1,687
Taxes Other Than Income Taxes 427 365 870 787
TOTAL EXPENSES 4,198 3,688 8,858 7,867
OPERATING INCOME 1,247 1,399 2,607 2,683
Other Income (Expense):        
Allowance for Equity Funds Used During Construction 75 57 145 114
Interest Expense (585) (489) (1,137) (984)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT) 770 1,017 1,692 1,906
Income Tax Expense (Benefit) 52 (251) 96 (126)
NET INCOME 747 1,289 1,650 2,091
Net Income Attributable to Noncontrolling Interest 34 63 63 65
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Basic 713 1,226 1,587 2,026
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Diluted 713 1,226 1,587 2,026
Nonrelated Party        
REVENUES        
TOTAL REVENUES 5,445 5,087 11,465 10,550
AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES 588 742 1,166 1,269
EXPENSES        
Other Operation 45 36 86 65
Maintenance 8 6 18 11
Depreciation and Amortization 128 119 256 233
Taxes Other Than Income Taxes 86 76 174 150
TOTAL EXPENSES 267 237 534 459
OPERATING INCOME 321 505 632 810
Other Income (Expense):        
Interest Income 2 2 4 2
Allowance for Equity Funds Used During Construction 26 21 48 43
Interest Expense (64) (57) (129) (112)
INCOME (LOSS) BEFORE INCOME TAX EXPENSE (BENEFIT) 285 471 555 743
Income Tax Expense (Benefit) 62 (146) 122 (85)
NET INCOME 223 617 433 828
Net Income Attributable to Noncontrolling Interest 31 61 58 61
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Basic 192 556 375 767
EARNINGS (LOSS) ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS, Diluted 192 556 375 767
AEP TRANSMISSION COMPANY, LLC | Affiliated Entity        
REVENUES        
TOTAL REVENUES 474 597 942 1,020
AEP TRANSMISSION COMPANY, LLC | Nonrelated Party        
REVENUES        
TOTAL REVENUES 107 145 217 249
Transmission Revenues | AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES 110 111 220 217
Sales to AEP Affiliates | AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES 477 470 947 900
(Provision For) Reversal Of Refund | AEP TRANSMISSION COMPANY, LLC | Affiliated Entity        
REVENUES        
TOTAL REVENUES (3) 127 (5) 120
(Provision For) Reversal Of Refund | AEP TRANSMISSION COMPANY, LLC | Nonrelated Party        
REVENUES        
TOTAL REVENUES (3) 34 (3) 32
Other Revenues        
REVENUES        
TOTAL REVENUES 134 158 264 290
Other Revenues | AEP TRANSMISSION COMPANY, LLC        
REVENUES        
TOTAL REVENUES $ 7 $ 0 $ 7 $ 0