Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2020	Dec. 31, 2019
Current Assets
Cash and Cash Equivalents		$ 409.7	$ 246.8
Restricted Cash		54.1	185.8
Other Temporary Investments		209.0	202.7
Accounts Receivable:
Customers		600.5	625.3
Accrued Unbilled Revenues		212.4	222.4
Pledged Accounts Receivable - AEP Credit		1,055.1	873.9
Miscellaneous		46.1	27.2
Allowance for Uncollectible Accounts		(63.4)	(43.7)
Total Accounts Receivable		1,850.7	1,705.1
Fuel		586.1	528.5
Materials and Supplies		681.2	640.7
Risk Management Assets		115.2	172.8
Regulatory Asset for Under-Recovered Fuel Costs		61.4	92.9
Margin Deposits		54.1	60.4
Prepayments and Other Current Assets		316.7	242.1
TOTAL CURRENT ASSETS		4,338.2	4,077.8
Property, Plant and Equipment
Generation		23,036.9	22,762.4
Transmission		26,539.1	24,808.6
Distribution		23,459.8	22,443.4
Other Property, Plant and Equipment		5,204.7	4,811.5
Construction Work in Progress		4,662.5	4,319.8
Total Property, Plant and Equipment		82,903.0	79,145.7
Accumulated Depreciation and Amortization		20,116.6	19,007.6
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		62,786.4	60,138.1
Other Noncurrent Assets
Regulatory Assets		3,518.8	3,158.8
Securitized Assets		684.0	858.1
Spent Nuclear Fuel and Decommissioning Trusts		3,075.9	2,975.7
Goodwill		52.5	52.5
Long-term Risk Management Assets		242.9	266.6
Operating Lease Assets		881.0	957.4
Deferred Charges and Other Noncurrent Assets		3,109.6	3,407.3
TOTAL OTHER NONCURRENT ASSETS		11,564.7	11,676.4
TOTAL ASSETS		78,689.3	75,892.3
Current Liabilities
Accounts Payable		1,659.6	2,085.8
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[1]	703.0	710.0
Other Short-term Debt		1,694.0	2,128.3
Total Short-term Debt		2,397.0	2,838.3
Long-term Debt Due Within One Year		1,911.6	1,598.7
Risk Management Liabilities		62.4	114.3
Customer Deposits		339.7	366.1
Accrued Taxes		942.7	1,357.8
Accrued Interest		331.0	243.6
Obligations Under Operating Leases		236.5	234.1
Regulatory Liability for Over-Recovered Fuel Costs		82.5	86.6
Other Current Liabilities		1,084.2	1,373.8
TOTAL CURRENT LIABILITIES		9,047.2	10,299.1
Noncurrent Liabilities
Long-term Debt		28,155.5	25,126.8
Affiliated Long Term Debt Noncurrent		0.0	0.0
Long-term Risk Management Liabilities		232.4	261.8
Deferred Income Taxes		8,011.4	7,588.2
Regulatory Liabilities and Deferred Investment Tax Credits		8,249.2	8,457.6
Asset Retirement Obligations		2,448.3	2,216.6
Employee Benefits and Pension Obligations		353.1	466.0
Obligations Under Operating Leases		690.5	734.6
Deferred Credits and Other Noncurrent Liabilities		794.6	719.8
TOTAL NONCURRENT LIABILITIES		48,935.0	45,571.4
TOTAL LIABILITIES		57,982.2	55,870.5
Rate Matters
Commitments and Contingencies
Redeemable Noncontrolling Interest		0.0	65.7
Contingently Reedemable Performance Share Awards		72.5	42.9
Total Mezzanine Equity		72.5	108.6
Equity
Common Stock		3,357.6	3,343.4
Paid-in Capital		6,522.3	6,535.6
Retained Earnings		10,621.4	9,900.9
Accumulated Other Comprehensive Income (Loss)		(135.4)	(147.7)
TOTAL COMMON SHAREHOLDER'S EQUITY		20,365.9	19,632.2
Noncontrolling Interests		268.7	281.0
TOTAL EQUITY		20,634.6	19,913.2
TOTAL LIABILITIES AND EQUITY		$ 78,689.3	$ 75,892.3
Common Stock, Shares Authorized		600,000,000	600,000,000
Common Stock, Par or Stated Value Per Share		$ 6.50	$ 6.50
Treasury Stock, Shares		20,204,160	20,204,160
Common Stock, Shares, Issued		516,551,408	514,373,631
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0	$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		54.1	185.8
Other Temporary Investments		198.0	187.8
Short-term Debt:
Long-term Debt Due Within One Year		176.6	565.1
Noncurrent Liabilities
Long-term Debt		958.7	907.0
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1	3.1
Restricted Cash		44.8	154.7
Advances to Affiliates		148.4	207.2
Accounts Receivable:
Customers		136.8	116.0
Affiliated Companies		22.0	10.1
Accrued Unbilled Revenues		74.8	68.8
Miscellaneous		0.0	0.3
Allowance for Uncollectible Accounts		0.0	(1.8)
Total Accounts Receivable		233.6	193.4
Fuel		0.0	5.9
Materials and Supplies		72.0	56.7
Accrued Tax Benefits		9.6	66.1
Prepayments and Other Current Assets		5.6	5.8
TOTAL CURRENT ASSETS		514.1	692.9
Property, Plant and Equipment
Generation		0.0	351.7
Transmission		4,943.8	4,466.5
Distribution		4,486.6	4,215.2
Other Property, Plant and Equipment		868.2	805.9
Construction Work in Progress		787.9	763.9
Total Property, Plant and Equipment		11,086.5	10,603.2
Accumulated Depreciation and Amortization		1,541.5	1,758.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		9,545.0	8,845.1
Other Noncurrent Assets
Regulatory Assets		275.4	280.6
Securitized Assets		467.8	623.4
Deferred Charges and Other Noncurrent Assets		182.7	147.1
TOTAL OTHER NONCURRENT ASSETS		925.9	1,051.1
TOTAL ASSETS		10,985.0	10,589.1
Current Liabilities
Accounts Payable		235.3	256.8
Affiliated Companies		27.2	35.6
Short-term Debt:
Other Short-term Debt		2.0	0.0
Long-term Debt Due Within One Year		87.8	392.1
Risk Management Liabilities		0.1	0.0
Accrued Taxes		101.8	84.9
Accrued Interest		54.7	35.7
Oklaunion Purchase Power Agreement - Current		0.0	22.1
Obligations Under Operating Leases		13.7	12.0
Provision for Refund		31.6	64.7
Other Current Liabilities		92.2	123.3
TOTAL CURRENT LIABILITIES		646.4	1,027.2
Noncurrent Liabilities
Long-term Debt		4,766.9	4,166.3
Deferred Income Taxes		1,004.4	965.4
Regulatory Liabilities and Deferred Investment Tax Credits		1,282.6	1,316.9
Obligations Under Operating Leases		71.0	71.1
Deferred Credits and Other Noncurrent Liabilities		54.6	81.1
TOTAL NONCURRENT LIABILITIES		7,179.5	6,600.8
TOTAL LIABILITIES		7,825.9	7,628.0
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		1,457.9	1,457.9
Retained Earnings		1,713.1	1,516.0
Accumulated Other Comprehensive Income (Loss)		(11.9)	(12.8)
TOTAL EQUITY		3,159.1	2,961.1
TOTAL LIABILITIES AND EQUITY		10,985.0	10,589.1
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		44.8	154.7
Other Noncurrent Assets
Securitized Assets		467.8	621.2
Short-term Debt:
Long-term Debt Due Within One Year		87.7	281.4
Accrued Interest		3.5	7.5
Noncurrent Liabilities
Long-term Debt		440.2	495.4
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	0.0
Advances to Affiliates		106.7	85.4
Accounts Receivable:
Customers		34.1	19.0
Affiliated Companies		81.1	66.1
Total Accounts Receivable		115.2	85.1
Materials and Supplies		13.6	13.8
Prepayments and Other Current Assets		5.3	13.1
TOTAL CURRENT ASSETS		240.8	197.4
Property, Plant and Equipment
Transmission		8,947.4	8,137.9
Other Property, Plant and Equipment		293.0	269.6
Construction Work in Progress		1,680.9	1,485.7
Total Property, Plant and Equipment		10,921.3	9,893.2
Accumulated Depreciation and Amortization		531.8	402.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		10,389.5	9,490.9
Other Noncurrent Assets
Regulatory Assets		6.8	4.2
Deferred Property Taxes		57.2	193.5
Deferred Charges and Other Noncurrent Assets		4.4	4.8
TOTAL OTHER NONCURRENT ASSETS		68.4	202.5
TOTAL ASSETS		10,698.7	9,890.8
Current Liabilities
Advances from Affiliates		86.8	137.0
Accounts Payable		337.7	493.4
Affiliated Companies		62.4	71.2
Short-term Debt:
Accrued Taxes		216.6	355.6
Accrued Interest		48.2	19.2
Obligations Under Operating Leases		2.3	2.1
Other Current Liabilities		9.1	14.6
TOTAL CURRENT LIABILITIES		763.1	1,093.1
Noncurrent Liabilities
Long-term Debt		3,947.9	3,427.3
Deferred Income Taxes		892.6	817.8
Regulatory Liabilities and Deferred Investment Tax Credits		575.2	540.9
Obligations Under Operating Leases		1.4	1.9
Deferred Credits and Other Noncurrent Liabilities		19.9	0.3
TOTAL NONCURRENT LIABILITIES		5,437.0	4,788.2
TOTAL LIABILITIES		6,200.1	5,881.3
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		2,665.6	2,480.6
Retained Earnings		1,833.0	1,528.9
TOTAL MEMBER'S EQUITY		4,498.6	4,009.5
TOTAL LIABILITIES AND EQUITY		10,698.7	9,890.8
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		3.9	3.3
Restricted Cash		9.3	23.5
Advances to Affiliates		159.5	22.1
Accounts Receivable:
Customers		136.6	129.0
Affiliated Companies		60.2	64.3
Accrued Unbilled Revenues		52.6	59.7
Miscellaneous		0.2	0.5
Allowance for Uncollectible Accounts		(3.4)	(2.6)
Total Accounts Receivable		246.2	250.9
Fuel		144.4	149.7
Materials and Supplies		98.2	105.2
Risk Management Assets		30.7	39.4
Regulatory Asset for Under-Recovered Fuel Costs		3.7	42.5
Prepayments and Other Current Assets		29.7	64.0
TOTAL CURRENT ASSETS		725.6	700.6
Property, Plant and Equipment
Generation		6,615.9	6,563.7
Transmission		3,811.4	3,584.1
Distribution		4,348.8	4,201.7
Other Property, Plant and Equipment		622.5	571.3
Construction Work in Progress		539.9	593.4
Total Property, Plant and Equipment		15,938.5	15,514.2
Accumulated Depreciation and Amortization		4,652.7	4,432.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		11,285.8	11,081.9
Other Noncurrent Assets
Regulatory Assets		659.1	457.2
Securitized Assets		216.2	234.7
Long-term Risk Management Assets		0.1	0.1
Operating Lease Assets		80.3	78.5
Deferred Charges and Other Noncurrent Assets		190.9	215.3
TOTAL OTHER NONCURRENT ASSETS		1,146.6	985.8
TOTAL ASSETS		13,158.0	12,768.3
Current Liabilities
Advances from Affiliates		4.3	236.7
Accounts Payable		191.6	307.8
Affiliated Companies		80.0	92.5
Short-term Debt:
Long-term Debt Due Within One Year		518.3	215.6
Risk Management Liabilities		5.6	1.9
Customer Deposits		80.1	85.8
Accrued Taxes		77.3	99.6
Accrued Interest		73.8	47.9
Obligations Under Operating Leases		14.7	15.2
Other Current Liabilities		98.4	123.0
TOTAL CURRENT LIABILITIES		1,144.1	1,226.0
Noncurrent Liabilities
Long-term Debt		4,315.0	4,148.2
Long-term Risk Management Liabilities		0.2	0.0
Deferred Income Taxes		1,716.5	1,680.8
Regulatory Liabilities and Deferred Investment Tax Credits		1,195.8	1,268.7
Asset Retirement Obligations		298.2	102.1
Employee Benefits and Pension Obligations		38.2	50.9
Obligations Under Operating Leases		66.1	64.0
Deferred Credits and Other Noncurrent Liabilities		55.5	55.2
TOTAL NONCURRENT LIABILITIES		7,685.5	7,369.9
TOTAL LIABILITIES		8,829.6	8,595.9
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4	260.4
Paid-in Capital		1,828.7	1,828.7
Retained Earnings		2,241.5	2,078.3
Accumulated Other Comprehensive Income (Loss)		(2.2)	5.0
TOTAL EQUITY		4,328.4	4,172.4
TOTAL LIABILITIES AND EQUITY		$ 13,158.0	$ 12,768.3
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	$ 2.0
Advances to Affiliates		13.3	13.2
Accounts Receivable:
Customers		34.7	53.6
Affiliated Companies		43.5	53.7
Accrued Unbilled Revenues		0.0	2.5
Miscellaneous		0.9	0.3
Allowance for Uncollectible Accounts		(0.3)	(0.6)
Total Accounts Receivable		78.8	109.5
Fuel		71.3	56.2
Materials and Supplies		171.4	171.3
Risk Management Assets		4.1	9.8
Accrued Tax Benefits		29.8	0.0
Regulatory Asset for Under-Recovered Fuel Costs		4.2	3.0
Accrued Reimbursement of Spent Nuclear Fuel Costs		14.7	24.0
Prepayments and Other Current Assets		17.0	14.0
TOTAL CURRENT ASSETS		407.4	403.0
Property, Plant and Equipment
Generation		5,239.8	5,099.7
Transmission		1,665.8	1,641.8
Distribution		2,549.5	2,437.6
Other Property, Plant and Equipment		665.8	632.6
Construction Work in Progress		383.3	382.3
Total Property, Plant and Equipment		10,504.2	10,194.0
Accumulated Depreciation and Amortization		3,502.4	3,294.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,001.8	6,899.7
Other Noncurrent Assets
Regulatory Assets		450.2	482.1
Spent Nuclear Fuel and Decommissioning Trusts		3,075.9	2,975.7
Long-term Risk Management Assets		0.0	0.1
Operating Lease Assets		228.8	294.9
Deferred Charges and Other Noncurrent Assets		160.7	181.9
TOTAL OTHER NONCURRENT ASSETS		3,915.6	3,934.7
TOTAL ASSETS		11,324.8	11,237.4
Current Liabilities
Advances from Affiliates		159.1	114.4
Accounts Payable		133.3	169.4
Affiliated Companies		79.7	68.4
Short-term Debt:
Long-term Debt Due Within One Year		348.7	139.7
Risk Management Liabilities		0.2	0.5
Customer Deposits		40.2	39.4
Accrued Taxes		57.8	112.4
Accrued Interest		19.9	36.2
Obligations Under Operating Leases		83.8	87.3
Regulatory Liability for Over-Recovered Fuel Costs		30.6	6.1
Other Current Liabilities		91.0	109.6
TOTAL CURRENT LIABILITIES		1,044.3	883.4
Noncurrent Liabilities
Long-term Debt		2,633.2	2,910.5
Long-term Risk Management Liabilities		0.1	0.0
Deferred Income Taxes		1,024.0	979.7
Regulatory Liabilities and Deferred Investment Tax Credits		1,879.6	1,891.4
Asset Retirement Obligations		1,796.1	1,748.6
Obligations Under Operating Leases		165.4	211.6
Deferred Credits and Other Noncurrent Liabilities		67.1	67.8
TOTAL NONCURRENT LIABILITIES		7,565.5	7,809.6
TOTAL LIABILITIES		8,609.8	8,693.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6	56.6
Paid-in Capital		980.9	980.9
Retained Earnings		1,688.0	1,518.5
Accumulated Other Comprehensive Income (Loss)		(10.5)	(11.6)
TOTAL EQUITY		2,715.0	2,544.4
TOTAL LIABILITIES AND EQUITY		$ 11,324.8	$ 11,237.4
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		$ 54.9	$ 86.1
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		6.6	3.7
Accounts Receivable:
Customers		18.4	53.0
Affiliated Companies		61.0	59.3
Accrued Unbilled Revenues		20.1	20.3
Miscellaneous		3.9	0.5
Allowance for Uncollectible Accounts		(0.7)	(0.7)
Total Accounts Receivable		102.7	132.4
Materials and Supplies		67.0	52.3
Renewable Energy Credits		28.7	30.9
Accrued Tax Benefits		4.3	11.5
Prepayments and Other Current Assets		13.2	7.7
TOTAL CURRENT ASSETS		222.5	238.5
Property, Plant and Equipment
Transmission		2,768.1	2,686.3
Distribution		5,545.8	5,323.5
Other Property, Plant and Equipment		882.4	765.8
Construction Work in Progress		455.9	394.4
Total Property, Plant and Equipment		9,652.2	9,170.0
Accumulated Depreciation and Amortization		2,350.1	2,263.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,302.1	6,907.0
Other Noncurrent Assets
Regulatory Assets		401.7	351.8
Deferred Charges and Other Noncurrent Assets		340.6	546.3
TOTAL OTHER NONCURRENT ASSETS		742.3	898.1
TOTAL ASSETS		8,266.9	8,043.6
Current Liabilities
Advances from Affiliates		215.9	131.0
Accounts Payable		184.5	233.7
Affiliated Companies		90.7	103.6
Short-term Debt:
Long-term Debt Due Within One Year		0.1	0.1
Risk Management Liabilities		8.2	7.3
Customer Deposits		58.2	70.6
Accrued Taxes		314.5	587.9
Obligations Under Operating Leases		12.5	12.5
Other Current Liabilities		141.1	151.2
TOTAL CURRENT LIABILITIES		1,025.7	1,297.9
Noncurrent Liabilities
Long-term Debt		2,429.8	2,081.9
Long-term Risk Management Liabilities		105.1	96.3
Deferred Income Taxes		904.6	849.4
Regulatory Liabilities and Deferred Investment Tax Credits		1,018.5	1,090.9
Obligations Under Operating Leases		76.7	76.0
Deferred Credits and Other Noncurrent Liabilities		48.3	42.7
TOTAL NONCURRENT LIABILITIES		4,583.0	4,237.2
TOTAL LIABILITIES		5,608.7	5,535.1
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2	321.2
Paid-in Capital		838.8	838.8
Retained Earnings		1,498.2	1,348.5
TOTAL EQUITY		2,658.2	2,508.5
TOTAL LIABILITIES AND EQUITY		$ 8,266.9	$ 8,043.6
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		$ 3.0	$ 1.5
Advances to Affiliates		0.0	38.8
Accounts Receivable:
Customers		25.2	28.9
Affiliated Companies		27.1	20.6
Miscellaneous		3.1	0.6
Allowance for Uncollectible Accounts		0.0	(0.3)
Total Accounts Receivable		55.4	49.8
Fuel		22.8	12.2
Materials and Supplies		53.4	46.8
Risk Management Assets		16.6	15.8
Accrued Tax Benefits		0.6	11.3
Prepayments and Other Current Assets		11.8	12.0
TOTAL CURRENT ASSETS		163.6	188.2
Property, Plant and Equipment
Generation		1,474.1	1,574.6
Transmission		981.2	948.5
Distribution		2,799.5	2,684.8
Other Property, Plant and Equipment		381.8	342.1
Construction Work in Progress		147.2	133.4
Total Property, Plant and Equipment		5,783.8	5,683.4
Accumulated Depreciation and Amortization		1,578.3	1,580.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		4,205.5	4,103.3
Other Noncurrent Assets
Regulatory Assets		388.9	375.2
Employee Benefits and Pension Assets		44.8	43.9
Operating Lease Assets		40.5	36.8
Deferred Charges and Other Noncurrent Assets		15.9	4.1
TOTAL OTHER NONCURRENT ASSETS		490.1	460.0
TOTAL ASSETS		4,859.2	4,751.5
Current Liabilities
Advances from Affiliates		77.8	0.0
Accounts Payable		106.7	134.3
Affiliated Companies		41.0	59.3
Short-term Debt:
Long-term Debt Due Within One Year		250.5	13.2
Risk Management Liabilities		0.5	0.0
Customer Deposits		56.2	58.9
Accrued Taxes		49.1	22.9
Obligations Under Operating Leases		6.2	5.8
Regulatory Liability for Over-Recovered Fuel Costs		17.3	63.9
Other Current Liabilities		72.8	87.5
TOTAL CURRENT LIABILITIES		678.1	445.8
Noncurrent Liabilities
Long-term Debt		1,123.2	1,373.0
Deferred Income Taxes		649.6	628.3
Regulatory Liabilities and Deferred Investment Tax Credits		816.4	837.2
Asset Retirement Obligations		46.4	44.5
Obligations Under Operating Leases		34.3	31.0
Deferred Credits and Other Noncurrent Liabilities		22.0	18.4
TOTAL NONCURRENT LIABILITIES		2,691.9	2,932.4
TOTAL LIABILITIES		3,370.0	3,378.2
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2	157.2
Paid-in Capital		364.0	364.0
Retained Earnings		967.7	851.0
Accumulated Other Comprehensive Income (Loss)		0.3	1.1
TOTAL EQUITY		1,489.2	1,373.3
TOTAL LIABILITIES AND EQUITY		$ 4,859.2	$ 4,751.5
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		$ 25.6	$ 1.6
Advances to Affiliates		2.1	2.1
Accounts Receivable:
Customers		12.7	29.0
Affiliated Companies		28.3	34.5
Miscellaneous		24.4	13.5
Allowance for Uncollectible Accounts		0.0	(1.7)
Total Accounts Receivable		65.4	75.3
Fuel		210.5	140.1
Materials and Supplies		99.2	94.0
Risk Management Assets		4.5	6.4
Regulatory Asset for Under-Recovered Fuel Costs		7.0	4.9
Prepayments and Other Current Assets		29.7	29.7
TOTAL CURRENT ASSETS		444.0	354.1
Property, Plant and Equipment
Generation		4,674.7	4,691.4
Transmission		2,109.6	2,056.5
Distribution		2,356.6	2,270.7
Other Property, Plant and Equipment		792.5	733.4
Construction Work in Progress		272.3	216.9
Total Property, Plant and Equipment		10,205.7	9,968.9
Accumulated Depreciation and Amortization		3,092.6	2,873.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,113.1	7,095.2
Other Noncurrent Assets
Regulatory Assets		334.8	222.4
Deferred Charges and Other Noncurrent Assets		245.4	160.5
TOTAL OTHER NONCURRENT ASSETS		580.2	382.9
TOTAL ASSETS		8,137.3	7,832.2
Current Liabilities
Advances from Affiliates		71.8	59.9
Accounts Payable		183.3	138.0
Affiliated Companies		80.5	53.6
Short-term Debt:
Other Short-term Debt		42.0	18.3
Long-term Debt Due Within One Year		6.2	121.2
Risk Management Liabilities		0.1	1.9
Customer Deposits		63.7	65.0
Accrued Taxes		90.1	41.8
Accrued Interest		23.0	34.6
Obligations Under Operating Leases		8.1	6.5
Regulatory Liability for Over-Recovered Fuel Costs		32.0	13.6
Other Current Liabilities		98.7	120.3
TOTAL CURRENT LIABILITIES		699.5	674.7
Noncurrent Liabilities
Long-term Debt		2,631.1	2,534.4
Long-term Risk Management Liabilities		0.7	3.1
Deferred Income Taxes		965.0	940.9
Regulatory Liabilities and Deferred Investment Tax Credits		877.5	892.3
Asset Retirement Obligations		202.4	196.7
Obligations Under Operating Leases		43.8	34.7
Deferred Credits and Other Noncurrent Liabilities		113.0	114.3
TOTAL NONCURRENT LIABILITIES		4,833.5	4,716.4
TOTAL LIABILITIES		5,533.0	5,391.1
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1	135.7
Paid-in Capital		812.2	676.6
Retained Earnings		1,792.9	1,629.5
Accumulated Other Comprehensive Income (Loss)		(1.3)	(1.3)
TOTAL COMMON SHAREHOLDER'S EQUITY		2,603.9	2,440.5
Noncontrolling Interests		0.4	0.6
TOTAL EQUITY		2,604.3	2,441.1
TOTAL LIABILITIES AND EQUITY		$ 8,137.3	$ 7,832.2
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]
Accounts Receivable:
Fuel		$ 48.7	$ 47.0
Materials and Supplies		24.0	23.1
Property, Plant and Equipment
Other Property, Plant and Equipment		216.8	212.3
Accumulated Depreciation and Amortization		$ 117.4	$ 107.5

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