v3.26.3
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - AEP Transmission Holdco - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
OPERATING ACTIVITIES    
Net Income $ 2,868 $ 3,091
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:    
Depreciation and Amortization 2,842 2,566
Deferred Income Taxes 515 124
Allowance for Equity Funds Used During Construction (226) (173)
Property Taxes 564 541
Change in Other Noncurrent Assets (838) (720)
Change in Other Noncurrent Liabilities 673 134
Changes in Certain Components of Working Capital:    
Accounts Receivable, Net (528) (212)
Accounts Payable 603 327
Accrued Taxes, Net (899) (687)
Other Current Assets (81) 38
Other Current Liabilities 388 74
Net Cash Flows from Operating Activities 5,767 5,131
INVESTING ACTIVITIES    
Construction Expenditures (9,107) (6,001)
Contribution in Aid of Construction Advances 572 148
Other Investing Activities (58) (92)
Net Cash Flows Used for Investing Activities (11,171) (7,749)
FINANCING ACTIVITIES    
Capital Contribution from Noncontrolling Interest 269 34
Issuance of Long-term Debt – Nonaffiliated 7,026 6,249
Retirement of Long-term Debt – Nonaffiliated (1,834) (2,804)
Proceeds from the Midwest Transmission Holdings Noncontrolling Interest Transaction, Net of Transaction Costs 0 2,783
Dividends Paid to Noncontrolling Interest (175) (71)
Net Cash Flows from (Used for) Financing Activities 5,643 3,479
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash 239 861
Cash, Cash Equivalents and Restricted Cash at Beginning of Period 268 246
Cash, Cash Equivalents and Restricted Cash at End of Period 507 1,107
SUPPLEMENTARY INFORMATION    
Cash Paid for Interest, Net of Capitalized Amounts 1,548 1,315
Construction Expenditures Included in Current Liabilities as of September 30, 1,813 1,169
AEP TRANSMISSION COMPANY, LLC    
OPERATING ACTIVITIES    
Net Income 659 1,033
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:    
Depreciation and Amortization 389 354
Deferred Income Taxes 52 (145)
Allowance for Equity Funds Used During Construction (75) (65)
Property Taxes 226 213
Change in Other Noncurrent Assets (19) (61)
Change in Other Noncurrent Liabilities (14) (151)
Changes in Certain Components of Working Capital:    
Accounts Receivable, Net (13) (3)
Accounts Payable 26 18
Accrued Taxes, Net (276) (265)
Other Current Assets (15) 6
Other Current Liabilities 44 4
Net Cash Flows from Operating Activities 984 938
INVESTING ACTIVITIES    
Construction Expenditures (1,740) (1,145)
Change in Advances to Affiliates, Net (122) (37)
Contribution in Aid of Construction Advances 204 19
Other Investing Activities (5) 2
Net Cash Flows Used for Investing Activities (1,663) (1,161)
FINANCING ACTIVITIES    
Capital Contribution from AEP Member 386 42
Capital Contribution from Noncontrolling Interest 240 34
Issuance of Long-term Debt – Nonaffiliated 859 560
Retirement of Long-term Debt – Nonaffiliated (623) (90)
Change in Advances from Affiliates, Net 126 24
Proceeds from the Midwest Transmission Holdings Noncontrolling Interest Transaction, Net of Transaction Costs 0 2,783
Dividends Paid to AEP Member (141) (3,062)
Dividends Paid to Noncontrolling Interest (168) (68)
Net Cash Flows from (Used for) Financing Activities 679 223
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash 0 0
Cash, Cash Equivalents and Restricted Cash at Beginning of Period 0 0
Cash, Cash Equivalents and Restricted Cash at End of Period 0 0
SUPPLEMENTARY INFORMATION    
Cash Paid for Interest, Net of Capitalized Amounts 154 140
Construction Expenditures Included in Current Liabilities as of September 30, $ 342 $ 223