CONSOLIDATED STATEMENTS OF CASH FLOWS - AEP Texas - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	$ 3,289.9	$ 3,090.4	$ 3,202.8
Deferred Income Taxes	58.3	185.1	(137.2)
Allowance for Equity Funds Used During Construction	(211.0)	(174.9)	(133.7)
Mark-to-Market of Risk Management Contracts	(80.4)	8.8	15.5
Change in Other Noncurrent Assets	(347.6)	(465.1)	(187.7)
Change in Other Noncurrent Liabilities	306.3	29.0	337.8
Changes in Certain Components of Working Capital:
Accounts Receivable, Net	(156.0)	236.5	(681.7)
Materials and Supplies	171.6	(504.0)	(313.9)
Accounts Payable	85.1	(253.2)	489.2
Accrued Taxes, Net	240.2	22.5	105.4
Other Current Assets	(13.2)	(43.9)	109.0
Other Current Liabilities	182.6	(161.4)	54.3
Net Cash Flows from Operating Activities	6,804.3	5,012.2	5,288.0
INVESTING ACTIVITIES
Construction Expenditures	(7,630.7)	(7,378.3)	(6,671.7)
Other Investing Activities	141.9	122.1	50.3
Net Cash Flows Used for Investing Activities	(7,596.5)	(6,266.7)	(7,751.8)
FINANCING ACTIVITIES
Issuance of Long-term Debt	5,117.0	5,462.8	4,649.7
Retirement of Long-term Debt	(2,685.0)	(2,196.1)	(2,345.4)
Principal Payments for Finance Lease Obligations	(64.8)	(68.3)	(309.5)
Dividends Paid on Common Stock	(1,903.9)	(1,760.4)	(1,645.2)
Other Financing Activities	(49.8)	(78.6)	(105.4)
Net Cash Flows from Financing Activities	659.2	1,077.0	2,568.9
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	(133.0)	(177.5)	105.1
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	379.0	556.5	451.4
Cash, Cash Equivalents and Restricted Cash at End of Period	246.0	379.0	556.5
SUPPLEMENTARY INFORMATION
Cash Paid for Interest, Net of Capitalized Amounts	1,837.8	1,673.5	1,286.3
Net Cash Paid for Income Taxes	133.4	78.4	116.8
Noncash Acquisitions Under Finance Leases	29.5	48.7	31.8
Construction Expenditures Included in Current Liabilities as of December 31,	1,312.0	842.4	1,258.9
AEP TEXAS INC.
OPERATING ACTIVITIES
Net Income	420.1	370.4	307.9
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Depreciation and Amortization	493.5	468.5	452.4
Deferred Income Taxes	77.8	64.1	42.2
Allowance for Equity Funds Used During Construction	(45.9)	(28.4)	(19.7)
Mark-to-Market of Risk Management Contracts	0.0	0.4	(0.4)
Change in Other Noncurrent Assets	(90.8)	(96.5)	(36.2)
Change in Other Noncurrent Liabilities	39.2	24.3	57.6
Changes in Certain Components of Working Capital:
Accounts Receivable, Net	(8.2)	(28.3)	(45.0)
Materials and Supplies	20.9	(51.6)	(64.9)
Accounts Payable	24.8	(24.1)	25.0
Accrued Taxes, Net	30.1	11.8	14.8
Other Current Assets	(5.6)	3.0	2.2
Other Current Liabilities	8.2	(53.9)	(4.0)
Net Cash Flows from Operating Activities	964.1	659.7	731.9
INVESTING ACTIVITIES
Construction Expenditures	(1,413.6)	(1,477.1)	(1,305.0)
Change in Advances to Affiliates, Net	(0.1)	(0.2)	0.0
Other Investing Activities	54.3	69.3	35.1
Net Cash Flows Used for Investing Activities	(1,359.4)	(1,408.0)	(1,269.9)
FINANCING ACTIVITIES
Capital Contribution from Parent	13.5	527.0	4.3
Return of Capital to Parent	(0.7)	(5.6)	0.0
Issuance of Long-term Debt	841.9	505.4	1,188.6
Change in Advances from Affiliates, Net	181.2	7.2	69.6
Retirement of Long-term Debt	(296.0)	(278.5)	(716.0)
Principal Payments for Finance Lease Obligations	(7.5)	(7.4)	(6.8)
Dividends Paid on Common Stock	(350.0)	0.0	0.0
Other Financing Activities	2.4	1.5	0.6
Net Cash Flows from Financing Activities	384.8	749.6	540.3
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	(10.5)	1.3	2.3
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	34.1	32.8	30.5
Cash, Cash Equivalents and Restricted Cash at End of Period	23.6	34.1	32.8
SUPPLEMENTARY INFORMATION
Cash Paid for Interest, Net of Capitalized Amounts	240.7	225.6	198.9
Net Cash Paid for Income Taxes	10.9	11.5	11.0
Noncash Acquisitions Under Finance Leases	4.6	4.8	6.1
Construction Expenditures Included in Current Liabilities as of December 31,	$ 266.0	$ 112.2	$ 235.4