Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
Current Assets
Cash and Cash Equivalents		$ 230.7	$ 330.1
Restricted Cash		51.1	48.9
Other Temporary Investments		217.0	214.3
Accounts Receivable:
Customers		1,000.0	1,029.9
Accrued Unbilled Revenues		220.9	179.5
Pledged Accounts Receivable - AEP Credit		1,206.8	1,249.4
Miscellaneous		47.2	48.7
Allowance for Uncollectible Accounts		(59.6)	(60.1)
Total Accounts Receivable		2,415.3	2,447.4
Fuel		749.9	853.7
Materials and Supplies		1,020.4	1,025.8
Risk Management Assets		152.7	217.5
Accrued Tax Benefits		89.4	156.2
Regulatory Asset for Under-Recovered Fuel Costs		550.3	514.0
Prepayments and Other Current Assets		372.8	274.2
TOTAL CURRENT ASSETS		5,849.6	6,082.1
Property, Plant and Equipment
Generation		24,404.1	24,329.5
Transmission		36,253.1	35,934.1
Distribution		29,476.3	28,989.9
Other Property, Plant and Equipment		6,557.2	6,484.9
Construction Work in Progress		6,142.1	5,508.0
Total Property, Plant and Equipment		102,832.8	101,246.4
Accumulated Depreciation and Amortization		25,036.8	24,553.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		77,796.0	76,693.4
Other Noncurrent Assets
Regulatory Assets		5,034.1	5,092.4
Securitized Assets		309.7	336.3
Spent Nuclear Fuel and Decommissioning Trusts		4,112.6	3,860.2
Goodwill		52.5	52.5
Long-term Risk Management Assets		314.4	321.2
Operating Lease Assets		603.0	620.2
Deferred Charges and Other Noncurrent Assets		3,672.7	3,625.7
TOTAL OTHER NONCURRENT ASSETS		14,099.0	13,908.5
TOTAL ASSETS		97,744.6	96,684.0
Current Liabilities
Accounts Payable		1,990.9	2,032.5
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[1]	900.0	888.0
Other Short-term Debt		2,837.6	1,942.2
Total Short-term Debt		3,737.6	2,830.2
Long-term Debt Due Within One Year		1,198.6	2,490.5
Risk Management Liabilities		184.4	229.6
Customer Deposits		436.2	423.7
Accrued Taxes		1,675.6	1,800.1
Accrued Interest		507.3	410.2
Obligations Under Operating Leases		107.1	115.7
Other Current Liabilities		1,068.9	1,251.1
TOTAL CURRENT LIABILITIES		10,906.6	11,583.6
Noncurrent Liabilities
Long-term Debt		38,637.3	37,652.7
Deferred Income Tax Liabilities, Net		9,662.1	9,415.7
Long-term Risk Management Liabilities		279.5	241.8
Regulatory Liabilities and Deferred Investment Tax Credits		8,089.4	8,182.4
Asset Retirement Obligations		2,972.9	2,972.5
Employee Benefits and Pension Obligations		230.8	241.7
Obligations Under Operating Leases		509.3	519.4
Deferred Credits and Other Noncurrent Liabilities		561.4	545.8
TOTAL NONCURRENT LIABILITIES		60,942.7	59,772.0
TOTAL LIABILITIES		71,849.3	71,355.6
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		51.6	42.5
Total Mezzanine Equity		51.6	42.5
Equity
Common Stock		3,433.3	3,427.9
Paid-in Capital		9,094.3	9,073.9
Retained Earnings		13,338.0	12,800.4
Accumulated Other Comprehensive Income (Loss)		(62.3)	(55.5)
TOTAL COMMON SHAREHOLDER'S EQUITY		25,803.3	25,246.7
Noncontrolling Interests		40.4	39.2
TOTAL EQUITY		25,843.7	25,285.9
TOTAL LIABILITIES AND EQUITY		$ 97,744.6	$ 96,684.0
Common Stock, No Par Value		$ 6.50	$ 6.50
Common Stock, Shares Authorized		600,000,000	600,000,000
Common Stock, Shares, Issued		528,199,306	527,369,157
Treasury Stock, Shares		1,184,572	1,184,572
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		51.1	$ 48.9
Other Temporary Investments		206.1	205.0
Short-term Debt:
Long-term Debt Due Within One Year		201.5	207.2
Noncurrent Liabilities
Long-term Debt		528.9	556.3
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1	0.1
Restricted Cash		42.7	34.0
Accounts Receivable:
Customers		167.8	176.5
Accrued Unbilled Revenues		85.2	82.3
Miscellaneous		0.7	0.8
Allowance for Uncollectible Accounts		(4.2)	(4.9)
Total Accounts Receivable		270.7	278.5
Materials and Supplies		194.0	190.4
Prepayments and Other Current Assets		10.6	10.0
TOTAL CURRENT ASSETS		525.1	520.1
Property, Plant and Equipment
Transmission		6,896.6	6,812.6
Distribution		5,903.8	5,798.8
Other Property, Plant and Equipment		1,148.8	1,145.9
Construction Work in Progress		1,062.7	904.6
Total Property, Plant and Equipment		15,011.9	14,661.9
Accumulated Depreciation and Amortization		1,932.5	1,887.9
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		13,079.4	12,774.0
Other Noncurrent Assets
Regulatory Assets		317.4	315.3
Securitized Assets		183.1	202.9
Deferred Charges and Other Noncurrent Assets		262.5	178.4
TOTAL OTHER NONCURRENT ASSETS		763.0	696.6
TOTAL ASSETS		14,367.5	13,990.7
Current Liabilities
Accounts Payable		253.5	192.3
Short-term Debt:
Long-term Debt Due Within One Year		96.2	96.0
Accrued Taxes		139.5	99.1
Accrued Interest		81.5	49.2
Obligations Under Operating Leases		24.7	28.7
Other Current Liabilities		147.7	152.7
TOTAL CURRENT LIABILITIES		1,041.9	749.4
Noncurrent Liabilities
Long-term Debt		5,782.5	5,793.8
Deferred Income Tax Liabilities, Net		1,238.7	1,227.8
Regulatory Liabilities and Deferred Investment Tax Credits		1,261.2	1,261.4
Obligations Under Operating Leases		50.1	50.9
Deferred Credits and Other Noncurrent Liabilities		113.4	111.3
TOTAL NONCURRENT LIABILITIES		8,445.9	8,445.2
TOTAL LIABILITIES		9,487.8	9,194.6
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		2,079.6	2,079.6
Retained Earnings		2,804.8	2,725.1
Accumulated Other Comprehensive Income (Loss)		(4.7)	(8.6)
TOTAL EQUITY		4,879.7	4,796.1
TOTAL LIABILITIES AND EQUITY		14,367.5	13,990.7
AEP Texas Inc. [Member] | Related Party
Current Assets
Advances to Affiliates		7.0	7.1
Accounts Receivable:
Affiliated Companies - Contracts with Customers		21.2	23.8
Current Liabilities
Accounts Payable		30.9	27.7
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		42.7	34.0
Other Noncurrent Assets
Securitized Assets		183.1	202.9
Short-term Debt:
Long-term Debt Due Within One Year		96.2	95.9
Accrued Interest		1.7	2.0
Noncurrent Liabilities
Long-term Debt		114.0	125.9
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	0.0
Accounts Receivable:
Customers		80.6	82.2
Total Accounts Receivable		211.7	207.7
Prepayments and Other Current Assets		11.2	4.0
TOTAL CURRENT ASSETS		520.9	278.8
Property, Plant and Equipment
Transmission		13,832.4	13,723.9
Other Property, Plant and Equipment		503.5	501.4
Construction Work in Progress		1,805.0	1,563.7
Total Property, Plant and Equipment		16,140.9	15,789.0
Accumulated Depreciation and Amortization		1,362.7	1,291.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		14,778.2	14,497.7
Other Noncurrent Assets
Regulatory Assets		2.4	3.1
Deferred Property Taxes		250.1	286.4
Deferred Charges and Other Noncurrent Assets		7.4	6.5
TOTAL OTHER NONCURRENT ASSETS		259.9	296.0
TOTAL ASSETS		15,559.0	15,072.5
Current Liabilities
Accounts Payable		289.6	274.7
Short-term Debt:
Long-term Debt Due Within One Year		145.0	95.0
Accrued Taxes		505.3	568.6
Accrued Interest		56.8	39.6
Obligations Under Operating Leases		1.3	1.3
Other Current Liabilities		20.4	24.7
TOTAL CURRENT LIABILITIES		1,167.9	1,286.1
Noncurrent Liabilities
Long-term Debt		5,715.7	5,319.4
Deferred Income Tax Liabilities, Net		1,175.4	1,147.7
Regulatory Liabilities and Deferred Investment Tax Credits		809.4	783.7
Obligations Under Operating Leases		1.2	1.4
Deferred Credits and Other Noncurrent Liabilities		189.9	200.9
TOTAL NONCURRENT LIABILITIES		7,891.6	7,453.1
TOTAL LIABILITIES		9,059.5	8,739.2
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		3,068.4	3,043.4
Retained Earnings		3,431.1	3,289.9
TOTAL MEMBER'S EQUITY		6,499.5	6,333.3
TOTAL LIABILITIES AND EQUITY		15,559.0	15,072.5
AEP Transmission Co [Member] | Related Party
Current Assets
Advances to Affiliates		298.0	67.1
Accounts Receivable:
Affiliated Companies - Contracts with Customers		131.1	125.5
Current Liabilities
Accounts Payable		120.7	107.9
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		7.6	5.0
Restricted Cash		8.4	14.9
Accounts Receivable:
Customers		191.1	170.3
Accrued Unbilled Revenues		59.8	70.8
Miscellaneous		0.5	0.6
Allowance for Uncollectible Accounts		(2.3)	(2.0)
Total Accounts Receivable		350.0	338.5
Fuel		293.6	315.0
Materials and Supplies		139.8	148.4
Risk Management Assets		8.7	22.4
Regulatory Asset for Under-Recovered Fuel Costs		148.4	155.4
Prepayments and Other Current Assets		25.9	40.5
TOTAL CURRENT ASSETS		1,019.8	1,059.0
Property, Plant and Equipment
Generation		7,065.3	7,041.3
Transmission		4,747.5	4,711.8
Distribution		5,238.5	5,176.6
Other Property, Plant and Equipment		1,023.1	981.3
Construction Work in Progress		754.5	709.2
Total Property, Plant and Equipment		18,828.9	18,620.2
Accumulated Depreciation and Amortization		5,776.0	5,688.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		13,052.9	12,931.5
Other Noncurrent Assets
Regulatory Assets		1,107.4	1,155.1
Securitized Assets		126.7	133.4
Employee Benefits and Pension Assets		176.3	171.7
Operating Lease Assets		72.0	73.7
Deferred Charges and Other Noncurrent Assets		197.3	187.5
TOTAL OTHER NONCURRENT ASSETS		1,679.7	1,721.4
TOTAL ASSETS		15,752.4	15,711.9
Current Liabilities
Accounts Payable		286.7	280.4
Short-term Debt:
Long-term Debt Due Within One Year		153.3	538.8
Risk Management Liabilities		18.4	15.9
Customer Deposits		81.4	80.0
Accrued Taxes		146.9	117.6
Accrued Interest		83.0	58.9
Obligations Under Operating Leases		14.3	14.6
Other Current Liabilities		132.3	118.8
TOTAL CURRENT LIABILITIES		1,023.3	1,685.9
Noncurrent Liabilities
Long-term Debt		5,517.6	5,049.5
Deferred Income Tax Liabilities, Net		2,019.8	2,011.9
Regulatory Liabilities and Deferred Investment Tax Credits		1,082.5	1,081.9
Asset Retirement Obligations		441.5	442.5
Employee Benefits and Pension Obligations		31.6	32.8
Obligations Under Operating Leases		58.3	59.8
Deferred Credits and Other Noncurrent Liabilities		65.1	70.9
TOTAL NONCURRENT LIABILITIES		9,216.4	8,749.3
TOTAL LIABILITIES		10,239.7	10,435.2
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4	260.4
Paid-in Capital		1,934.5	1,834.5
Retained Earnings		3,322.0	3,185.5
Accumulated Other Comprehensive Income (Loss)		(4.2)	(3.7)
TOTAL EQUITY		5,512.7	5,276.7
TOTAL LIABILITIES AND EQUITY		$ 15,752.4	$ 15,711.9
Common Stock, No Par Value		$ 0	$ 0
Common Stock, Shares Authorized		30,000,000	30,000,000
Common Stock, Shares, Outstanding		13,499,500	13,499,500
Appalachian Power Co [Member] | Related Party
Current Assets
Advances to Affiliates		$ 37.4	$ 18.9
Accounts Receivable:
Affiliated Companies - Contracts with Customers		100.9	98.8
Current Liabilities
Accounts Payable		107.0	121.3
Indiana Michigan Power Co [Member]
Current Assets
Cash and Cash Equivalents		5.5	2.1
Accounts Receivable:
Customers		51.1	66.9
Accrued Unbilled Revenues		0.2	0.2
Miscellaneous		4.2	8.2
Total Accounts Receivable		142.9	140.3
Fuel		72.8	88.1
Materials and Supplies		202.2	208.2
Risk Management Assets		11.2	27.8
Regulatory Asset for Under-Recovered Fuel Costs		3.8	14.8
Prepayments and Other Current Assets		41.6	46.7
TOTAL CURRENT ASSETS		480.0	528.0
Property, Plant and Equipment
Generation		5,664.8	5,646.8
Transmission		1,917.0	1,906.4
Distribution		3,322.7	3,254.0
Other Property, Plant and Equipment		891.3	898.5
Construction Work in Progress		314.4	301.7
Total Property, Plant and Equipment		12,110.2	12,007.4
Accumulated Depreciation and Amortization		4,459.0	4,378.4
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,651.2	7,629.0
Other Noncurrent Assets
Regulatory Assets		498.2	406.3
Spent Nuclear Fuel and Decommissioning Trusts		4,112.6	3,860.2
Operating Lease Assets		51.2	53.8
Deferred Charges and Other Noncurrent Assets		318.3	330.7
TOTAL OTHER NONCURRENT ASSETS		4,980.3	4,651.0
TOTAL ASSETS		13,111.5	12,808.0
Current Liabilities
Accounts Payable		182.1	225.8
Short-term Debt:
Long-term Debt Due Within One Year		76.9	83.7
Customer Deposits		52.1	72.2
Accrued Taxes		133.5	104.7
Accrued Interest		38.1	41.3
Obligations Under Operating Leases		14.9	16.8
Regulatory Liability for Over-Recovered Fuel Costs		22.3	23.2
Other Current Liabilities		74.3	91.9
TOTAL CURRENT LIABILITIES		783.3	830.2
Noncurrent Liabilities
Long-term Debt		3,401.6	3,415.7
Deferred Income Tax Liabilities, Net		1,190.6	1,169.9
Regulatory Liabilities and Deferred Investment Tax Credits		2,262.3	2,052.3
Asset Retirement Obligations		2,123.0	2,104.3
Obligations Under Operating Leases		37.1	37.7
Deferred Credits and Other Noncurrent Liabilities		65.8	57.7
TOTAL NONCURRENT LIABILITIES		9,080.4	8,837.6
TOTAL LIABILITIES		9,863.7	9,667.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6	56.6
Paid-in Capital		997.6	997.6
Retained Earnings		2,194.1	2,086.6
Accumulated Other Comprehensive Income (Loss)		(0.5)	(0.6)
TOTAL EQUITY		3,247.8	3,140.2
TOTAL LIABILITIES AND EQUITY		$ 13,111.5	$ 12,808.0
Common Stock, No Par Value		$ 0	$ 0
Common Stock, Shares Authorized		2,500,000	2,500,000
Common Stock, Shares, Outstanding		1,400,000	1,400,000
Indiana Michigan Power Co [Member] | Related Party
Accounts Receivable:
Affiliated Companies - Contracts with Customers		$ 87.4	$ 65.0
Current Liabilities
Accounts Payable		115.9	107.3
Indiana Michigan Power Co [Member] | DCC Fuel [Member]
Short-term Debt:
Long-term Debt Due Within One Year		74.8	81.4
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		12.5	6.4
Accounts Receivable:
Customers		70.8	39.2
Miscellaneous		9.9	2.3
Total Accounts Receivable		212.2	170.7
Materials and Supplies		171.6	175.0
Renewable Energy Credits		13.4	8.9
Prepayments and Other Current Assets		18.9	16.8
TOTAL CURRENT ASSETS		428.6	377.8
Property, Plant and Equipment
Transmission		3,438.6	3,395.1
Distribution		6,948.0	6,839.4
Other Property, Plant and Equipment		1,136.1	1,125.0
Construction Work in Progress		710.4	654.0
Total Property, Plant and Equipment		12,233.1	12,013.5
Accumulated Depreciation and Amortization		2,765.7	2,713.6
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		9,467.4	9,299.9
Other Noncurrent Assets
Regulatory Assets		416.6	455.0
Operating Lease Assets		67.4	69.9
Deferred Charges and Other Noncurrent Assets		547.8	641.1
TOTAL OTHER NONCURRENT ASSETS		1,031.8	1,166.0
TOTAL ASSETS		10,927.8	10,843.7
Current Liabilities
Accounts Payable		305.2	320.7
Short-term Debt:
Risk Management Liabilities		6.0	6.8
Customer Deposits		76.1	62.0
Accrued Taxes		605.5	763.3
Obligations Under Operating Leases		13.1	13.5
Other Current Liabilities		176.3	183.3
TOTAL CURRENT LIABILITIES		1,631.9	1,614.3
Noncurrent Liabilities
Long-term Debt		3,367.4	3,366.8
Deferred Income Tax Liabilities, Net		1,158.9	1,152.7
Long-term Risk Management Liabilities		35.0	43.9
Regulatory Liabilities and Deferred Investment Tax Credits		1,004.5	1,003.6
Obligations Under Operating Leases		54.5	56.7
Deferred Credits and Other Noncurrent Liabilities		33.7	34.4
TOTAL NONCURRENT LIABILITIES		5,654.0	5,658.1
TOTAL LIABILITIES		7,285.9	7,272.4
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2	321.2
Paid-in Capital		1,012.8	1,012.8
Retained Earnings		2,307.9	2,237.3
TOTAL EQUITY		3,641.9	3,571.3
TOTAL LIABILITIES AND EQUITY		$ 10,927.8	$ 10,843.7
Common Stock, No Par Value		$ 0	$ 0
Common Stock, Shares Authorized		40,000,000	40,000,000
Common Stock, Shares, Outstanding		27,952,473	27,952,473
Ohio Power Co [Member] | Related Party
Accounts Receivable:
Affiliated Companies - Contracts with Customers		$ 131.5	$ 129.2
Current Liabilities
Accounts Payable		154.5	154.2
Public Service Co Of Oklahoma [Member]
Current Assets
Cash and Cash Equivalents		3.5	2.5
Accounts Receivable:
Customers		74.1	107.6
Miscellaneous		1.0	0.8
Total Accounts Receivable		144.2	139.4
Fuel		32.5	33.7
Materials and Supplies		111.0	106.9
Risk Management Assets		7.9	19.0
Accrued Tax Benefits		43.7	31.0
Regulatory Asset for Under-Recovered Fuel Costs		155.8	118.3
Prepayments and Other Current Assets		34.8	18.7
TOTAL CURRENT ASSETS		533.4	469.5
Property, Plant and Equipment
Generation		2,704.8	2,695.5
Transmission		1,240.0	1,228.3
Distribution		3,513.0	3,450.8
Other Property, Plant and Equipment		514.6	505.9
Construction Work in Progress		336.9	313.7
Total Property, Plant and Equipment		8,309.3	8,194.2
Accumulated Depreciation and Amortization		2,119.7	2,081.9
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		6,189.6	6,112.3
Other Noncurrent Assets
Regulatory Assets		533.1	522.7
Employee Benefits and Pension Assets		69.6	68.4
Operating Lease Assets		111.1	112.8
Deferred Charges and Other Noncurrent Assets		92.9	49.2
TOTAL OTHER NONCURRENT ASSETS		806.7	753.1
TOTAL ASSETS		7,529.7	7,334.9
Current Liabilities
Accounts Payable		138.5	159.3
Short-term Debt:
Long-term Debt Due Within One Year		125.6	0.6
Risk Management Liabilities		28.5	28.9
Customer Deposits		82.2	81.4
Accrued Taxes		67.3	30.7
Accrued Interest		26.3	30.7
Obligations Under Operating Leases		10.7	10.1
Other Current Liabilities		54.3	106.2
TOTAL CURRENT LIABILITIES		857.8	559.0
Noncurrent Liabilities
Long-term Debt		2,259.3	2,384.0
Deferred Income Tax Liabilities, Net		881.6	831.2
Regulatory Liabilities and Deferred Investment Tax Credits		701.6	765.6
Asset Retirement Obligations		85.0	83.9
Obligations Under Operating Leases		104.7	106.8
Deferred Credits and Other Noncurrent Liabilities		32.1	33.8
TOTAL NONCURRENT LIABILITIES		4,064.3	4,205.3
TOTAL LIABILITIES		4,922.1	4,764.3
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2	157.2
Paid-in Capital		1,039.3	1,039.3
Retained Earnings		1,411.3	1,374.3
Accumulated Other Comprehensive Income (Loss)		(0.2)	(0.2)
TOTAL EQUITY		2,607.6	2,570.6
TOTAL LIABILITIES AND EQUITY		$ 7,529.7	$ 7,334.9
Common Stock, Shares Authorized		11,000,000	11,000,000
Common Stock, Shares, Outstanding		9,013,000	9,013,000
Common Stock, Par or Stated Value Per Share		$ 15	$ 15
Common Stock, Shares, Issued		10,482,000	10,482,000
Public Service Co Of Oklahoma [Member] | Related Party
Accounts Receivable:
Affiliated Companies - Contracts with Customers		$ 69.1	$ 31.0
Current Liabilities
Accounts Payable		59.8	56.7
Southwestern Electric Power Co [Member]
Current Assets
Cash and Cash Equivalents		3.8	2.4
Accounts Receivable:
Customers		32.7	39.0
Miscellaneous		10.3	8.3
Total Accounts Receivable		104.2	94.5
Fuel		103.4	113.8
Materials and Supplies		84.5	88.4
Accrued Tax Benefits		31.2	28.4
Regulatory Asset for Under-Recovered Fuel Costs		166.3	170.8
Prepayments and Other Current Assets		52.4	40.8
TOTAL CURRENT ASSETS		548.1	541.3
Property, Plant and Equipment
Generation		4,790.0	4,790.7
Transmission		2,681.1	2,660.6
Distribution		2,881.8	2,824.1
Other Property, Plant and Equipment		819.2	814.4
Construction Work in Progress		644.4	555.8
Total Property, Plant and Equipment		11,816.5	11,645.6
Accumulated Depreciation and Amortization		3,149.8	3,087.2
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,666.7	8,558.4
Other Noncurrent Assets
Regulatory Assets		1,138.2	1,131.8
Deferred Charges and Other Noncurrent Assets		395.0	326.1
TOTAL OTHER NONCURRENT ASSETS		1,533.2	1,457.9
TOTAL ASSETS		10,748.0	10,557.6
Current Liabilities
Accounts Payable		185.3	198.9
Short-term Debt:
Other Short-term Debt		5.4	4.3
Customer Deposits		74.1	72.5
Accrued Taxes		128.5	58.7
Accrued Interest		37.4	39.9
Obligations Under Operating Leases		8.8	9.0
Other Current Liabilities		108.0	169.0
TOTAL CURRENT LIABILITIES		851.3	686.9
Noncurrent Liabilities
Long-term Debt		3,647.6	3,646.9
Deferred Income Tax Liabilities, Net		1,254.2	1,179.3
Regulatory Liabilities and Deferred Investment Tax Credits		566.9	756.1
Asset Retirement Obligations		240.3	258.6
Employee Benefits and Pension Obligations		43.8	43.1
Obligations Under Operating Leases		120.8	122.5
Deferred Credits and Other Noncurrent Liabilities		94.7	93.8
TOTAL NONCURRENT LIABILITIES		5,968.3	6,100.3
TOTAL LIABILITIES		6,819.6	6,787.2
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1	0.1
Paid-in Capital		1,492.2	1,492.2
Retained Earnings		2,439.4	2,281.3
Accumulated Other Comprehensive Income (Loss)		(3.6)	(3.4)
TOTAL COMMON SHAREHOLDER'S EQUITY		3,928.1	3,770.2
Noncontrolling Interests		0.3	0.2
TOTAL EQUITY		3,928.4	3,770.4
TOTAL LIABILITIES AND EQUITY		$ 10,748.0	$ 10,557.6
Common Stock, No Par Value		$ 18	$ 18
Common Stock, Shares Authorized		3,680	3,680
Common Stock, Shares, Outstanding		3,680	3,680
Southwestern Electric Power Co [Member] | Related Party
Current Assets
Advances to Affiliates		$ 2.3	$ 2.2
Accounts Receivable:
Affiliated Companies - Contracts with Customers		61.2	47.2
Current Liabilities
Accounts Payable		49.3	45.9
Southwestern Electric Power Co [Member] | Sabine Mining Co [Member]
Accounts Receivable:
Materials and Supplies		3.2	3.9
Property, Plant and Equipment
Other Property, Plant and Equipment		179.9	182.7
Accumulated Depreciation and Amortization		$ 179.9	$ 182.7

[1] Amount of securitized debt for receivables as accounted for under the “Transfers and Servicing” accounting guidance.