CONDENSED CONSOLIDATED BALANCE SHEETS - AEP Texas - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and Cash Equivalents	$ 1,067.7	$ 202.9
Restricted Cash	39.1	43.1
Accounts Receivable:
Customers	1,141.4	1,100.1
Accrued Unbilled Revenues	355.0	367.0
Miscellaneous	63.2	64.1
Allowance for Credit Losses	(62.7)	(60.8)
Total Accounts Receivable	2,833.1	2,631.9
Materials and Supplies	986.7	966.2
Prepayments and Other Current Assets	260.8	285.9
TOTAL CURRENT ASSETS	6,860.0	5,788.8
PROPERTY, PLANT AND EQUIPMENT
Transmission	40,987.3	38,871.9
Distribution	32,618.2	31,061.9
Other Property, Plant and Equipment	8,385.1	7,491.6
Construction Work in Progress	7,456.7	6,346.9
Total Property, Plant and Equipment	115,889.5	108,602.0
Accumulated Depreciation and Amortization	27,871.8	26,186.4
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	88,017.7	82,415.6
OTHER NONCURRENT ASSETS
Regulatory Assets	4,950.2	5,129.2
Securitized Assets	952.9	554.3
Operating Lease Assets	578.2	580.1
Deferred Charges and Other Noncurrent Assets	3,718.5	3,873.3
TOTAL OTHER NONCURRENT ASSETS	15,375.8	14,873.6
TOTAL ASSETS	110,253.5	103,078.0
CURRENT LIABILITIES
Accounts Payable	2,806.7	2,637.6
Long-term Debt Due Within One Year	1,898.6	3,335.0
Accrued Taxes	1,257.2	1,922.1
Accrued Interest	606.4	453.3
Obligations Under Operating Leases	98.4	91.9
Other Current Liabilities	1,551.4	1,490.9
TOTAL CURRENT LIABILITIES	9,997.6	13,009.3
NONCURRENT LIABILITIES
Long-term Debt	44,239.0	39,307.8
Deferred Income Taxes	10,713.9	9,972.4
Regulatory Liabilities and Deferred Investment Tax Credits	8,320.0	8,344.0
Obligations Under Operating Leases	496.3	504.3
Deferred Credits and Other Noncurrent Liabilities	844.6	800.6
TOTAL NONCURRENT LIABILITIES	68,715.9	63,044.8
TOTAL LIABILITIES	78,713.5	76,054.1
Rate Matters (Note 4)
Commitments and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Paid-in Capital	11,561.8	9,606.1
Retained Earnings	15,369.3	13,869.2
Accumulated Other Comprehensive Income (Loss)	(27.8)	(3.1)
TOTAL AEP COMMON SHAREHOLDERS’ EQUITY	30,389.3	26,943.8
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY	110,253.5	103,078.0
AEP Texas
CURRENT ASSETS
Cash and Cash Equivalents	0.1	0.1
Restricted Cash	7.3	23.5
Advances to Affiliates	425.3	7.2
Accounts Receivable:
Customers	233.1	182.8
Accrued Unbilled Revenues	122.8	97.2
Miscellaneous	0.1	0.3
Allowance for Credit Losses	(4.1)	(4.3)
Total Accounts Receivable	363.6	286.7
Materials and Supplies	149.8	169.5
Prepayments and Other Current Assets	19.6	13.4
TOTAL CURRENT ASSETS	965.7	500.4
PROPERTY, PLANT AND EQUIPMENT
Transmission	8,008.7	7,546.2
Distribution	6,642.3	6,250.5
Other Property, Plant and Equipment	1,203.1	1,175.7
Construction Work in Progress	1,441.2	1,118.0
Total Property, Plant and Equipment	17,295.3	16,090.4
Accumulated Depreciation and Amortization	2,177.7	2,046.9
TOTAL PROPERTY, PLANT AND EQUIPMENT – NET	15,117.6	14,043.5
OTHER NONCURRENT ASSETS
Regulatory Assets	396.3	353.6
Securitized Assets	99.4	116.7
Operating Lease Assets	51.7	54.4
Deferred Charges and Other Noncurrent Assets	181.8	131.0
TOTAL OTHER NONCURRENT ASSETS	729.2	655.7
TOTAL ASSETS	16,812.5	15,199.6
CURRENT LIABILITIES
Accounts Payable	399.7	366.2
Long-term Debt Due Within One Year	325.0	324.5
Accrued Taxes	143.8	127.1
Accrued Interest	101.7	55.0
Obligations Under Operating Leases	14.2	13.1
Other Current Liabilities	246.0	201.4
TOTAL CURRENT LIABILITIES	1,258.8	1,407.1
NONCURRENT LIABILITIES
Long-term Debt	6,939.5	6,117.1
Deferred Income Taxes	1,418.4	1,322.7
Regulatory Liabilities and Deferred Investment Tax Credits	1,295.8	1,285.4
Obligations Under Operating Leases	39.8	43.4
Deferred Credits and Other Noncurrent Liabilities	135.8	139.3
TOTAL NONCURRENT LIABILITIES	9,829.3	8,907.9
TOTAL LIABILITIES	11,088.1	10,315.0
Rate Matters (Note 4)
Commitments and Contingencies (Note 5)
COMMON SHAREHOLDER’S EQUITY
Paid-in Capital	2,543.3	2,092.4
Retained Earnings	3,184.6	2,795.2
Accumulated Other Comprehensive Income (Loss)	(3.5)	(3.0)
TOTAL AEP COMMON SHAREHOLDERS’ EQUITY	5,724.4	4,884.6
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY	16,812.5	15,199.6
AEP Texas | Affiliated Entity
Accounts Receivable:
Affiliated Companies	11.7	10.7
CURRENT LIABILITIES
Advances from Affiliates	0.0	284.9
Accounts Payable	$ 28.4	$ 34.9