Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2021	Dec. 31, 2020
Current Assets
Cash and Cash Equivalents		$ 273.2	$ 392.7
Restricted Cash		50.8	45.6
Other Temporary Investments		199.1	200.8
Accounts Receivable:
Customers		763.0	613.6
Accrued Unbilled Revenues		199.9	248.7
Pledged Accounts Receivable - AEP Credit		919.0	1,018.4
Miscellaneous		36.1	33.1
Allowance for Uncollectible Accounts		(59.6)	(71.1)
Total Accounts Receivable		1,858.4	1,842.7
Fuel		588.6	629.4
Materials and Supplies		683.3	680.6
Risk Management Assets		72.1	94.7
Accrued Tax Benefits		187.6	185.3
Regulatory Asset for Under-Recovered Fuel Costs		129.8	90.7
Margin Deposits		91.0	62.0
Prepayments and Other Current Assets		124.5	127.0
TOTAL CURRENT ASSETS		4,258.4	4,351.5
Property, Plant and Equipment
Generation		23,186.5	23,133.9
Transmission		28,359.9	27,886.7
Distribution		24,311.8	23,972.1
Other Property, Plant and Equipment		5,465.2	5,294.6
Construction Work in Progress		4,289.5	4,025.7
Total Property, Plant and Equipment		85,612.9	84,313.0
Accumulated Depreciation and Amortization		20,916.8	20,411.4
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		64,696.1	63,901.6
Other Noncurrent Assets
Regulatory Assets		4,885.6	3,527.0
Securitized Assets		632.5	657.0
Spent Nuclear Fuel and Decommissioning Trusts		3,414.3	3,306.7
Goodwill		52.5	52.5
Long-term Risk Management Assets		264.8	242.2
Operating Lease Assets		818.9	866.4
Deferred Charges and Other Noncurrent Assets		3,962.0	3,852.3
TOTAL OTHER NONCURRENT ASSETS		14,030.6	12,504.1
TOTAL ASSETS		82,985.1	80,757.2
Current Liabilities
Accounts Payable		1,703.9	1,709.7
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[1]	669.0	592.0
Other Short-term Debt		2,379.4	1,887.3
Total Short-term Debt		3,048.4	2,479.3
Long-term Debt Due Within One Year		2,130.2	2,086.1
Risk Management Liabilities		39.1	78.8
Customer Deposits		331.0	335.6
Accrued Taxes		1,397.9	1,476.4
Accrued Interest		324.2	267.6
Obligations Under Operating Leases		240.6	241.3
Regulatory Liability for Over-Recovered Fuel Costs		39.1	52.6
Other Current Liabilities		965.7	1,199.3
TOTAL CURRENT LIABILITIES		10,220.1	9,926.7
Noncurrent Liabilities
Long-term Debt		30,214.8	28,986.4
Affiliated Long Term Debt Noncurrent		0.0	0.0
Long-term Risk Management Liabilities		273.0	232.8
Deferred Income Taxes		8,349.9	8,240.9
Regulatory Liabilities and Deferred Investment Tax Credits		8,466.1	8,378.7
Asset Retirement Obligations		2,483.7	2,469.2
Employee Benefits and Pension Obligations		343.4	336.4
Obligations Under Operating Leases		625.1	638.4
Deferred Credits and Other Noncurrent Liabilities		733.7	728.0
TOTAL NONCURRENT LIABILITIES		51,489.7	50,010.8
TOTAL LIABILITIES		61,709.8	59,937.5
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		55.3	45.2
Total Mezzanine Equity		55.3	45.2
Equity
Common Stock		3,376.4	3,359.3
Paid-in Capital		6,734.5	6,588.9
Retained Earnings		10,892.7	10,687.8
Accumulated Other Comprehensive Income (Loss)		(30.8)	(85.1)
TOTAL COMMON SHAREHOLDER'S EQUITY		20,972.8	20,550.9
Noncontrolling Interests		247.2	223.6
TOTAL EQUITY		21,220.0	20,774.5
TOTAL LIABILITIES AND EQUITY		$ 82,985.1	$ 80,757.2
Common Stock, No Par Value		$ 6.50	$ 6.50
Common Stock, Shares Authorized		600,000,000	600,000,000
Treasury Stock, Shares		20,204,160	20,204,160
Common Stock, Shares, Issued		519,450,026	516,808,354
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0	$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		50.8	45.6
Other Temporary Investments		191.7	194.6
Short-term Debt:
Long-term Debt Due Within One Year		192.3	198.3
Noncurrent Liabilities
Long-term Debt		921.1	950.1
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1	0.1
Restricted Cash		39.3	28.7
Advances to Affiliates		6.8	7.1
Accounts Receivable:
Customers		129.3	112.8
Affiliated Companies - Contracts with Customers		7.2	5.1
Accrued Unbilled Revenues		58.2	65.8
Allowance for Uncollectible Accounts		(4.3)	(0.1)
Total Accounts Receivable		190.4	183.6
Materials and Supplies		69.8	70.0
Accrued Tax Benefits		11.4	16.8
Prepayments and Other Current Assets		4.7	4.6
TOTAL CURRENT ASSETS		322.5	310.9
Property, Plant and Equipment
Transmission		5,434.7	5,279.6
Distribution		4,654.2	4,580.8
Other Property, Plant and Equipment		885.0	868.4
Construction Work in Progress		567.8	614.1
Total Property, Plant and Equipment		11,541.7	11,342.9
Accumulated Depreciation and Amortization		1,565.9	1,529.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		9,975.8	9,813.6
Other Noncurrent Assets
Regulatory Assets		274.5	266.8
Securitized Assets		428.6	446.8
Deferred Charges and Other Noncurrent Assets		261.6	192.1
TOTAL OTHER NONCURRENT ASSETS		964.7	905.7
TOTAL ASSETS		11,263.0	11,030.2
Current Liabilities
Advances from Affiliates		284.0	67.1
Accounts Payable		198.8	231.7
Affiliated Companies		24.4	44.0
Short-term Debt:
Long-term Debt Due Within One Year		88.9	88.7
Accrued Taxes		107.1	78.3
Accrued Interest		54.7	43.9
Obligations Under Operating Leases		14.5	14.5
Other Current Liabilities		83.4	108.6
TOTAL CURRENT LIABILITIES		855.8	676.8
Noncurrent Liabilities
Long-term Debt		4,721.3	4,731.7
Deferred Income Taxes		1,024.3	1,016.7
Regulatory Liabilities and Deferred Investment Tax Credits		1,272.0	1,270.8
Obligations Under Operating Leases		68.9	71.0
Deferred Credits and Other Noncurrent Liabilities		68.3	57.2
TOTAL NONCURRENT LIABILITIES		7,154.8	7,147.4
TOTAL LIABILITIES		8,010.6	7,824.2
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		1,457.9	1,457.9
Retained Earnings		1,803.1	1,757.0
Accumulated Other Comprehensive Income (Loss)		(8.6)	(8.9)
TOTAL EQUITY		3,252.4	3,206.0
TOTAL LIABILITIES AND EQUITY		11,263.0	11,030.2
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		39.3	28.7
Other Noncurrent Assets
Securitized Assets		428.6	446.8
Short-term Debt:
Long-term Debt Due Within One Year		88.9	88.7
Accrued Interest		3.2	2.5
Noncurrent Liabilities
Long-term Debt		392.7	403.9
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	0.0
Advances to Affiliates		106.1	109.1
Accounts Receivable:
Customers		25.6	22.9
Affiliated Companies - Contracts with Customers		95.0	81.2
Total Accounts Receivable		120.6	104.1
Materials and Supplies		8.8	8.5
Prepayments and Other Current Assets		3.4	14.1
TOTAL CURRENT ASSETS		238.9	235.8
Property, Plant and Equipment
Transmission		9,788.3	9,593.5
Other Property, Plant and Equipment		356.2	329.5
Construction Work in Progress		1,549.5	1,422.6
Total Property, Plant and Equipment		11,694.0	11,345.6
Accumulated Depreciation and Amortization		623.6	572.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		11,070.4	10,772.8
Other Noncurrent Assets
Regulatory Assets		14.0	15.1
Deferred Property Taxes		190.1	220.1
Deferred Charges and Other Noncurrent Assets		1.7	2.2
TOTAL OTHER NONCURRENT ASSETS		205.8	237.4
TOTAL ASSETS		11,515.1	11,246.0
Current Liabilities
Advances from Affiliates		229.3	156.7
Accounts Payable		325.3	380.4
Affiliated Companies		72.2	97.3
Short-term Debt:
Long-term Debt Due Within One Year		50.0	50.0
Accrued Taxes		373.2	418.1
Accrued Interest		48.2	23.9
Obligations Under Operating Leases		0.8	1.2
Other Current Liabilities		12.3	9.9
TOTAL CURRENT LIABILITIES		1,111.3	1,137.5
Noncurrent Liabilities
Long-term Debt		3,899.0	3,898.5
Deferred Income Taxes		917.2	906.9
Regulatory Liabilities and Deferred Investment Tax Credits		597.1	581.8
Obligations Under Operating Leases		0.4	0.4
Deferred Credits and Other Noncurrent Liabilities		1.5	8.0
TOTAL NONCURRENT LIABILITIES		5,415.2	5,395.6
TOTAL LIABILITIES		6,526.5	6,533.1
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		2,889.6	2,765.6
Retained Earnings		2,099.0	1,947.3
TOTAL MEMBER'S EQUITY		4,988.6	4,712.9
TOTAL LIABILITIES AND EQUITY		11,515.1	11,246.0
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		4.8	5.8
Restricted Cash		11.6	16.9
Advances to Affiliates		261.1	21.4
Accounts Receivable:
Customers		146.4	142.8
Affiliated Companies - Contracts with Customers		64.9	64.3
Accrued Unbilled Revenues		50.7	80.1
Miscellaneous		0.3	0.3
Allowance for Uncollectible Accounts		(2.1)	(3.1)
Total Accounts Receivable		260.2	284.4
Fuel		166.9	193.6
Materials and Supplies		101.2	99.6
Risk Management Assets		6.9	22.4
Regulatory Asset for Under-Recovered Fuel Costs		15.3	5.3
Prepayments and Other Current Assets		24.7	24.7
TOTAL CURRENT ASSETS		852.7	674.1
Property, Plant and Equipment
Generation		6,643.9	6,633.7
Transmission		3,931.7	3,900.5
Distribution		4,511.5	4,464.3
Other Property, Plant and Equipment		644.2	627.2
Construction Work in Progress		525.9	484.6
Total Property, Plant and Equipment		16,257.2	16,110.3
Accumulated Depreciation and Amortization		4,802.0	4,716.2
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		11,455.2	11,394.1
Other Noncurrent Assets
Regulatory Assets		727.1	686.3
Securitized Assets		203.9	210.1
Employee Benefits and Pension Assets		152.3	150.1
Operating Lease Assets		76.3	78.8
Deferred Charges and Other Noncurrent Assets		130.1	121.7
TOTAL OTHER NONCURRENT ASSETS		1,289.7	1,247.0
TOTAL ASSETS		13,597.6	13,315.2
Current Liabilities
Advances from Affiliates		0.0	18.6
Accounts Payable		247.1	212.0
Affiliated Companies		99.3	97.1
Short-term Debt:
Long-term Debt Due Within One Year		168.5	518.3
Customer Deposits		75.0	77.8
Accrued Taxes		114.4	109.9
Accrued Interest		73.8	49.9
Obligations Under Operating Leases		14.9	14.9
Other Current Liabilities		107.9	119.2
TOTAL CURRENT LIABILITIES		900.9	1,217.7
Noncurrent Liabilities
Long-term Debt		4,797.7	4,315.8
Deferred Income Taxes		1,763.1	1,749.9
Regulatory Liabilities and Deferred Investment Tax Credits		1,215.6	1,224.7
Asset Retirement Obligations		305.5	304.8
Employee Benefits and Pension Obligations		44.0	44.0
Obligations Under Operating Leases		61.9	64.4
Deferred Credits and Other Noncurrent Liabilities		46.7	49.6
TOTAL NONCURRENT LIABILITIES		8,234.5	7,753.2
TOTAL LIABILITIES		9,135.4	8,970.9
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4	260.4
Paid-in Capital		1,828.7	1,828.7
Retained Earnings		2,358.0	2,248.0
Accumulated Other Comprehensive Income (Loss)		15.1	7.2
TOTAL EQUITY		4,462.2	4,344.3
TOTAL LIABILITIES AND EQUITY		$ 13,597.6	$ 13,315.2
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
Indiana Michigan Power Co [Member]
Current Assets
Cash and Cash Equivalents		$ 2.8	$ 3.3
Advances to Affiliates		13.3	13.3
Accounts Receivable:
Customers		32.7	44.0
Affiliated Companies - Contracts with Customers		48.8	51.3
Accrued Unbilled Revenues		0.4	0.0
Miscellaneous		1.6	2.0
Allowance for Uncollectible Accounts		(0.4)	(0.3)
Total Accounts Receivable		83.1	97.0
Fuel		80.2	86.0
Materials and Supplies		172.8	175.8
Risk Management Assets		0.9	3.6
Accrued Tax Benefits		1.0	10.3
Regulatory Asset for Under-Recovered Fuel Costs		3.2	5.4
Prepayments and Other Current Assets		17.9	24.1
TOTAL CURRENT ASSETS		375.2	418.8
Property, Plant and Equipment
Generation		5,302.4	5,264.7
Transmission		1,696.9	1,696.4
Distribution		2,634.3	2,594.6
Other Property, Plant and Equipment		707.4	686.7
Construction Work in Progress		369.5	362.4
Total Property, Plant and Equipment		10,710.5	10,604.8
Accumulated Depreciation and Amortization		3,647.3	3,552.5
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,063.2	7,052.3
Other Noncurrent Assets
Regulatory Assets		403.4	404.8
Spent Nuclear Fuel and Decommissioning Trusts		3,414.3	3,306.7
Operating Lease Assets		196.8	218.1
Deferred Charges and Other Noncurrent Assets		241.3	237.6
TOTAL OTHER NONCURRENT ASSETS		4,255.8	4,167.2
TOTAL ASSETS		11,694.2	11,638.3
Current Liabilities
Advances from Affiliates		124.6	103.0
Accounts Payable		113.7	153.2
Affiliated Companies		70.9	80.5
Short-term Debt:
Long-term Debt Due Within One Year		363.1	369.6
Customer Deposits		43.5	41.7
Accrued Taxes		114.8	102.5
Accrued Interest		19.7	35.6
Obligations Under Operating Leases		85.5	85.6
Regulatory Liability for Over-Recovered Fuel Costs		9.3	20.8
Other Current Liabilities		82.6	112.0
TOTAL CURRENT LIABILITIES		1,027.7	1,104.5
Noncurrent Liabilities
Long-term Debt		2,643.2	2,660.3
Deferred Income Taxes		1,064.9	1,064.4
Regulatory Liabilities and Deferred Investment Tax Credits		2,111.8	2,041.9
Asset Retirement Obligations		1,830.9	1,812.9
Obligations Under Operating Leases		131.3	135.9
Deferred Credits and Other Noncurrent Liabilities		88.9	69.2
TOTAL NONCURRENT LIABILITIES		7,871.0	7,784.6
TOTAL LIABILITIES		8,898.7	8,889.1
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6	56.6
Paid-in Capital		980.9	980.9
Retained Earnings		1,764.5	1,718.7
Accumulated Other Comprehensive Income (Loss)		(6.5)	(7.0)
TOTAL EQUITY		2,795.5	2,749.2
TOTAL LIABILITIES AND EQUITY		$ 11,694.2	$ 11,638.3
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] | DCC Fuel [Member]
Short-term Debt:
Long-term Debt Due Within One Year		$ 69.2	$ 75.7
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		6.1	7.4
Advances to Affiliates		0.5	0.0
Accounts Receivable:
Customers		66.1	50.0
Affiliated Companies - Contracts with Customers		78.3	65.1
Accrued Unbilled Revenues		15.3	14.8
Miscellaneous		7.2	3.9
Allowance for Uncollectible Accounts		(0.7)	(0.6)
Total Accounts Receivable		166.2	133.2
Materials and Supplies		67.3	66.9
Renewable Energy Credits		32.0	29.5
Prepayments and Other Current Assets		22.4	19.3
TOTAL CURRENT ASSETS		294.5	256.3
Property, Plant and Equipment
Transmission		2,862.7	2,831.9
Distribution		5,806.3	5,708.3
Other Property, Plant and Equipment		938.3	899.6
Construction Work in Progress		343.8	362.3
Total Property, Plant and Equipment		9,951.1	9,802.1
Accumulated Depreciation and Amortization		2,385.4	2,350.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,565.7	7,452.1
Other Noncurrent Assets
Regulatory Assets		392.3	385.8
Deferred Charges and Other Noncurrent Assets		536.2	616.2
TOTAL OTHER NONCURRENT ASSETS		928.5	1,002.0
TOTAL ASSETS		8,788.7	8,710.4
Current Liabilities
Advances from Affiliates		0.0	259.2
Accounts Payable		174.5	181.0
Affiliated Companies		117.7	118.4
Short-term Debt:
Long-term Debt Due Within One Year		500.1	500.1
Risk Management Liabilities		8.1	8.7
Customer Deposits		54.3	55.1
Accrued Taxes		484.7	631.0
Obligations Under Operating Leases		13.1	13.1
Other Current Liabilities		132.0	139.6
TOTAL CURRENT LIABILITIES		1,484.5	1,906.2
Noncurrent Liabilities
Long-term Debt		2,376.2	1,930.1
Long-term Risk Management Liabilities		95.9	101.6
Deferred Income Taxes		968.8	955.1
Regulatory Liabilities and Deferred Investment Tax Credits		1,008.4	1,005.2
Obligations Under Operating Leases		77.0	79.5
Deferred Credits and Other Noncurrent Liabilities		38.9	40.0
TOTAL NONCURRENT LIABILITIES		4,565.2	4,111.5
TOTAL LIABILITIES		6,049.7	6,017.7
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2	321.2
Paid-in Capital		838.8	838.8
Retained Earnings		1,579.0	1,532.7
TOTAL EQUITY		2,739.0	2,692.7
TOTAL LIABILITIES AND EQUITY		$ 8,788.7	$ 8,710.4
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
Public Service Co Of Oklahoma [Member]
Current Assets
Cash and Cash Equivalents		$ 2.4	$ 2.6
Accounts Receivable:
Customers		37.7	30.8
Affiliated Companies - Contracts with Customers		21.8	15.6
Miscellaneous		0.1	2.0
Total Accounts Receivable		59.6	48.4
Fuel		14.1	17.9
Materials and Supplies		53.3	54.0
Risk Management Assets		5.5	10.3
Accrued Tax Benefits		9.9	10.9
Regulatory Asset for Under-Recovered Fuel Costs		44.8	30.1
Prepayments and Other Current Assets		7.4	7.1
TOTAL CURRENT ASSETS		197.0	181.3
Property, Plant and Equipment
Generation		1,481.7	1,480.7
Transmission		1,082.0	1,069.9
Distribution		2,896.4	2,853.0
Other Property, Plant and Equipment		411.0	393.3
Construction Work in Progress		98.2	128.7
Total Property, Plant and Equipment		5,969.3	5,925.6
Accumulated Depreciation and Amortization		1,626.0	1,605.6
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		4,343.3	4,320.0
Other Noncurrent Assets
Regulatory Assets		1,067.6	375.0
Employee Benefits and Pension Assets		65.9	65.8
Operating Lease Assets		42.4	42.6
Deferred Charges and Other Noncurrent Assets		39.6	6.0
TOTAL OTHER NONCURRENT ASSETS		1,215.5	489.4
TOTAL ASSETS		5,755.8	4,990.7
Current Liabilities
Advances from Affiliates		245.7	155.4
Accounts Payable		107.4	107.0
Affiliated Companies		49.6	43.4
Short-term Debt:
Long-term Debt Due Within One Year		0.5	0.5
Customer Deposits		53.6	54.8
Accrued Taxes		48.2	26.8
Obligations Under Operating Leases		6.6	6.5
Other Current Liabilities		57.6	84.2
TOTAL CURRENT LIABILITIES		569.2	478.6
Noncurrent Liabilities
Long-term Debt		1,623.3	1,373.3
Deferred Income Taxes		693.7	688.5
Regulatory Liabilities and Deferred Investment Tax Credits		799.7	802.2
Asset Retirement Obligations		46.0	45.7
Obligations Under Operating Leases		35.8	36.2
Deferred Credits and Other Noncurrent Liabilities		20.3	20.6
TOTAL NONCURRENT LIABILITIES		3,218.8	2,966.5
TOTAL LIABILITIES		3,788.0	3,445.1
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2	157.2
Paid-in Capital		839.0	414.0
Retained Earnings		971.6	974.3
Accumulated Other Comprehensive Income (Loss)		0.0	0.1
TOTAL EQUITY		1,967.8	1,545.6
TOTAL LIABILITIES AND EQUITY		$ 5,755.8	$ 4,990.7
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
Southwestern Electric Power Co [Member]
Current Assets
Cash and Cash Equivalents		$ 18.2	$ 13.2
Advances to Affiliates		2.1	2.1
Accounts Receivable:
Customers		119.4	27.1
Affiliated Companies - Contracts with Customers		34.6	25.1
Miscellaneous		16.7	12.7
Total Accounts Receivable		170.7	64.9
Fuel		195.6	191.1
Materials and Supplies		93.0	95.8
Risk Management Assets		1.3	3.2
Accrued Tax Benefits		36.3	29.9
Regulatory Asset for Under-Recovered Fuel Costs		5.8	2.6
Prepayments and Other Current Assets		17.9	25.2
TOTAL CURRENT ASSETS		540.9	428.0
Property, Plant and Equipment
Generation		4,679.8	4,681.4
Transmission		2,203.3	2,165.7
Distribution		2,403.1	2,382.5
Other Property, Plant and Equipment		803.9	788.8
Construction Work in Progress		232.4	228.3
Total Property, Plant and Equipment		10,322.5	10,246.7
Accumulated Depreciation and Amortization		3,275.2	3,158.5
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,047.3	7,088.2
Other Noncurrent Assets
Regulatory Assets		988.2	403.1
Deferred Charges and Other Noncurrent Assets		291.3	234.8
TOTAL OTHER NONCURRENT ASSETS		1,279.5	637.9
TOTAL ASSETS		8,867.7	8,154.1
Current Liabilities
Advances from Affiliates		86.9	124.6
Accounts Payable		219.7	135.9
Affiliated Companies		51.2	43.0
Short-term Debt:
Other Short-term Debt		5.0	35.0
Long-term Debt Due Within One Year		381.2	106.2
Risk Management Liabilities		0.0	0.7
Customer Deposits		60.3	61.3
Accrued Taxes		121.3	41.0
Accrued Interest		22.3	34.6
Obligations Under Operating Leases		8.0	7.9
Other Current Liabilities		127.7	173.4
TOTAL CURRENT LIABILITIES		1,083.6	763.6
Noncurrent Liabilities
Long-term Debt		2,750.2	2,530.2
Long-term Risk Management Liabilities		0.9	1.0
Deferred Income Taxes		1,017.4	1,017.6
Regulatory Liabilities and Deferred Investment Tax Credits		878.5	863.4
Asset Retirement Obligations		191.9	193.7
Employee Benefits and Pension Obligations		21.6	18.6
Obligations Under Operating Leases		44.3	44.1
Deferred Credits and Other Noncurrent Liabilities		89.2	94.2
TOTAL NONCURRENT LIABILITIES		4,994.0	4,762.8
TOTAL LIABILITIES		6,077.6	5,526.4
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1	0.1
Paid-in Capital		912.2	812.2
Retained Earnings		1,874.3	1,811.9
Accumulated Other Comprehensive Income (Loss)		1.9	1.9
TOTAL COMMON SHAREHOLDER'S EQUITY		2,788.5	2,626.1
Noncontrolling Interests		1.6	1.6
TOTAL EQUITY		2,790.1	2,627.7
TOTAL LIABILITIES AND EQUITY		$ 8,867.7	$ 8,154.1
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] | Sabine Mining Co [Member]
Current Assets
Cash and Cash Equivalents		$ 14.7	$ 10.1
Accounts Receivable:
Fuel		17.2	35.2
Materials and Supplies		21.8	23.3
Property, Plant and Equipment
Other Property, Plant and Equipment		223.8	223.7
Accumulated Depreciation and Amortization		$ 137.7	$ 126.5

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