Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2023		Dec. 31, 2022
Current Assets
Cash and Cash Equivalents		$ 343.5		$ 509.4
Restricted Cash		50.0		47.1
Other Temporary Investments		194.6		187.6
Accounts Receivable:
Customers		949.8		1,145.1
Accrued Unbilled Revenues		239.7		322.9
Pledged Accounts Receivable - AEP Credit		1,133.0		1,207.4
Miscellaneous		39.3		49.7
Allowance for Uncollectible Accounts		(58.0)		(57.1)
Total Accounts Receivable		2,303.8		2,668.0
Fuel		554.7		435.1
Materials and Supplies		902.5		915.1
Risk Management Assets		190.6		348.8
Accrued Tax Benefits		141.2		99.4
Assets Held for Sale		1,396.3		0.0
Regulatory Asset for Under-Recovered Fuel Costs		1,380.1		1,310.0
Prepayments and Other Current Assets		340.9		255.0
TOTAL CURRENT ASSETS		7,798.2		6,775.5
Property, Plant and Equipment
Generation		24,034.3		25,834.2
Transmission		33,570.2		33,266.9
Distribution		27,521.1		27,138.8
Other Property, Plant and Equipment		6,056.3		5,971.8
Construction Work in Progress		5,526.2		4,809.7
Total Property, Plant and Equipment		96,708.1		97,021.4
Accumulated Depreciation and Amortization		23,361.1		23,682.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		73,347.0		73,339.1
Other Noncurrent Assets
Regulatory Assets		4,578.0		4,762.0
Securitized Assets		420.1		446.0
Spent Nuclear Fuel and Decommissioning Trusts		3,501.1		3,341.2
Goodwill		52.5		52.5
Long-term Risk Management Assets		318.2		284.1
Operating Lease Assets		631.5		645.5
Deferred Charges and Other Noncurrent Assets		3,871.3		3,757.4
TOTAL OTHER NONCURRENT ASSETS		13,372.7		13,288.7
TOTAL ASSETS		94,517.9	[1]	93,403.3
Current Liabilities
Accounts Payable		2,269.3		2,670.8
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[2]	750.0		750.0
Other Short-term Debt		2,872.1		3,362.2
Total Short-term Debt		3,622.1		4,112.2
Long-term Debt Due Within One Year		2,905.1		2,486.4
Risk Management Liabilities		166.0		145.2
Customer Deposits		390.0		408.8
Accrued Taxes		1,599.9		1,714.6
Accrued Interest		440.5		336.5
Obligations Under Operating Leases		116.4		113.6
Liabilities Held for Sale		67.2		0.0
Other Current Liabilities		1,045.2		1,278.2
TOTAL CURRENT LIABILITIES		12,621.7		13,266.3
Noncurrent Liabilities
Long-term Debt		36,239.1		34,314.6
Deferred Income Tax Liabilities, Net		8,989.0		8,896.9
Long-term Risk Management Liabilities		315.4		345.2
Regulatory Liabilities and Deferred Investment Tax Credits		8,095.3		8,115.6
Asset Retirement Obligations		2,877.5		2,879.3
Employee Benefits and Pension Obligations		246.5		257.3
Obligations Under Operating Leases		535.9		552.5
Deferred Credits and Other Noncurrent Liabilities		573.1		607.3
TOTAL NONCURRENT LIABILITIES		57,871.8		55,968.7
TOTAL LIABILITIES		70,493.5		69,235.0
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		56.6		45.9
Total Mezzanine Equity		56.6		45.9
Equity
Common Stock		3,418.2		3,413.1
Paid-in Capital		8,074.3		8,051.0
Retained Earnings		12,313.8		12,345.6
Accumulated Other Comprehensive Income (Loss)		(68.1)		83.7
TOTAL COMMON SHAREHOLDER'S EQUITY		23,738.2		23,893.4
Noncontrolling Interests		229.6		229.0
TOTAL EQUITY		23,967.8		24,122.4
TOTAL LIABILITIES AND EQUITY		$ 94,517.9		$ 93,403.3
Common Stock, No Par Value		$ 6.50		$ 6.50
Common Stock, Shares Authorized		600,000,000		600,000,000
Common Stock, Shares, Issued		525,883,990		525,099,321
Treasury Stock, Shares		11,233,240		11,233,240
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		50.0		$ 47.1
Other Temporary Investments		187.5		182.9
Short-term Debt:
Long-term Debt Due Within One Year		206.9		218.2
Noncurrent Liabilities
Long-term Debt		624.2		755.3
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1		0.1
Restricted Cash		42.5		32.7
Advances to Affiliates		6.8		6.9
Accounts Receivable:
Customers		141.3		150.9
Affiliated Companies - Contracts with Customers		13.5		11.9
Accrued Unbilled Revenues		74.7		91.4
Miscellaneous		0.2		0.2
Allowance for Uncollectible Accounts		(4.1)		(4.2)
Total Accounts Receivable		225.6		250.2
Materials and Supplies		139.9		138.8
Accrued Tax Benefits		8.3		12.2
Prepayments and Other Current Assets		5.9		6.0
TOTAL CURRENT ASSETS		429.1		446.9
Property, Plant and Equipment
Transmission		6,373.2		6,301.5
Distribution		5,419.5		5,312.8
Other Property, Plant and Equipment		1,078.7		1,022.8
Construction Work in Progress		934.8		805.2
Total Property, Plant and Equipment		13,806.2		13,442.3
Accumulated Depreciation and Amortization		1,798.2		1,760.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,008.0		11,681.6
Other Noncurrent Assets
Regulatory Assets		299.3		298.3
Securitized Assets		267.1		286.4
Deferred Charges and Other Noncurrent Assets		268.7		179.0
TOTAL OTHER NONCURRENT ASSETS		835.1		763.7
TOTAL ASSETS		13,272.2		12,892.2
Current Liabilities
Advances from Affiliates		450.8		96.5
Accounts Payable		288.4		331.0
Affiliated Companies		26.7		34.7
Short-term Debt:
Long-term Debt Due Within One Year		153.7		278.5
Accrued Taxes		136.1		95.5
Accrued Interest		72.2		48.3
Obligations Under Operating Leases		29.4		28.6
Other Current Liabilities		122.8		130.7
TOTAL CURRENT LIABILITIES		1,280.1		1,043.8
Noncurrent Liabilities
Long-term Debt		5,368.3		5,379.3
Deferred Income Tax Liabilities, Net		1,153.2		1,144.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,258.0		1,259.6
Obligations Under Operating Leases		64.8		67.8
Deferred Credits and Other Noncurrent Liabilities		96.5		93.2
TOTAL NONCURRENT LIABILITIES		7,940.8		7,944.1
TOTAL LIABILITIES		9,220.9		8,987.9
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		1,658.2		1,558.2
Retained Earnings		2,402.3		2,354.7
Accumulated Other Comprehensive Income (Loss)		(9.2)		(8.6)
TOTAL EQUITY		4,051.3		3,904.3
TOTAL LIABILITIES AND EQUITY		13,272.2		12,892.2
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		42.5		32.7
Other Noncurrent Assets
Securitized Assets		267.1		286.4
Short-term Debt:
Long-term Debt Due Within One Year		93.7		93.5
Accrued Interest		2.2		2.2
Noncurrent Liabilities
Long-term Debt		209.3		221.0
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0		0.0
Advances to Affiliates		297.5		4.4
Accounts Receivable:
Customers		51.9		46.9
Affiliated Companies - Contracts with Customers		127.0		119.5
Total Accounts Receivable		178.9		166.4
Materials and Supplies		14.8		10.7
Prepayments and Other Current Assets		2.1		7.2
TOTAL CURRENT ASSETS		493.3		188.7
Property, Plant and Equipment
Transmission		12,486.7		12,335.4
Other Property, Plant and Equipment		484.6		476.8
Construction Work in Progress		1,831.9		1,554.7
Total Property, Plant and Equipment		14,803.2		14,366.9
Accumulated Depreciation and Amortization		1,091.2		1,027.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		13,712.0		13,339.9
Other Noncurrent Assets
Regulatory Assets		5.8		7.2
Deferred Property Taxes		232.0		266.6
Deferred Charges and Other Noncurrent Assets		11.6		11.8
TOTAL OTHER NONCURRENT ASSETS		249.4		285.6
TOTAL ASSETS		14,454.7		13,814.2
Current Liabilities
Advances from Affiliates		4.4		229.3
Accounts Payable		421.7		427.8
Affiliated Companies		110.8		82.7
Short-term Debt:
Long-term Debt Due Within One Year		60.0		60.0
Accrued Taxes		465.7		529.8
Accrued Interest		56.8		28.8
Obligations Under Operating Leases		1.3		1.3
Other Current Liabilities		14.1		8.3
TOTAL CURRENT LIABILITIES		1,134.8		1,368.0
Noncurrent Liabilities
Long-term Debt		5,412.1		4,722.8
Deferred Income Tax Liabilities, Net		1,079.1		1,056.5
Regulatory Liabilities and Deferred Investment Tax Credits		746.4		723.3
Obligations Under Operating Leases		1.2		1.5
Deferred Credits and Other Noncurrent Liabilities		75.4		69.1
TOTAL NONCURRENT LIABILITIES		7,314.2		6,573.2
TOTAL LIABILITIES		8,449.0		7,941.2
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		3,047.3		3,022.3
Retained Earnings		2,958.4		2,850.7
TOTAL MEMBER'S EQUITY		6,005.7		5,873.0
TOTAL LIABILITIES AND EQUITY		14,454.7		13,814.2
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		7.1		7.5
Restricted Cash		7.5		14.4
Advances to Affiliates		18.7		19.8
Accounts Receivable:
Customers		154.0		168.9
Affiliated Companies - Contracts with Customers		91.5		94.0
Accrued Unbilled Revenues		55.4		91.3
Miscellaneous		0.2		0.3
Allowance for Uncollectible Accounts		(2.0)		(1.7)
Total Accounts Receivable		299.1		352.8
Fuel		220.5		158.9
Materials and Supplies		128.4		130.6
Risk Management Assets		12.4		69.1
Regulatory Asset for Under-Recovered Fuel Costs		574.5		473.1
Prepayments and Other Current Assets		30.8		33.4
TOTAL CURRENT ASSETS		1,299.0		1,259.6
Property, Plant and Equipment
Generation		6,886.9		6,776.8
Transmission		4,510.3		4,482.8
Distribution		4,992.6		4,933.0
Other Property, Plant and Equipment		890.3		883.3
Construction Work in Progress		689.4		705.3
Total Property, Plant and Equipment		17,969.5		17,781.2
Accumulated Depreciation and Amortization		5,463.4		5,402.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,506.1		12,379.2
Other Noncurrent Assets
Regulatory Assets		920.4		1,058.6
Securitized Assets		153.1		159.6
Employee Benefits and Pension Assets		157.4		152.9
Operating Lease Assets		71.2		73.6
Deferred Charges and Other Noncurrent Assets		149.2		138.7
TOTAL OTHER NONCURRENT ASSETS		1,451.3		1,583.4
TOTAL ASSETS		15,256.4		15,222.2
Current Liabilities
Advances from Affiliates		310.2		182.2
Accounts Payable		297.6		451.2
Affiliated Companies		101.0		142.7
Short-term Debt:
Long-term Debt Due Within One Year		252.3		251.8
Risk Management Liabilities		7.0		3.6
Customer Deposits		74.2		75.1
Accrued Taxes		112.3		101.0
Accrued Interest		83.2		57.9
Obligations Under Operating Leases		14.8		15.0
Other Current Liabilities		97.5		109.7
TOTAL CURRENT LIABILITIES		1,350.1		1,390.2
Noncurrent Liabilities
Long-term Debt		5,146.4		5,158.7
Deferred Income Tax Liabilities, Net		2,006.8		1,992.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,109.5		1,143.6
Asset Retirement Obligations		422.5		419.2
Employee Benefits and Pension Obligations		33.1		34.2
Obligations Under Operating Leases		56.9		59.1
Deferred Credits and Other Noncurrent Liabilities		44.2		49.6
TOTAL NONCURRENT LIABILITIES		8,819.4		8,856.6
TOTAL LIABILITIES		10,169.5		10,246.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4		260.4
Paid-in Capital		1,828.7		1,828.7
Retained Earnings		3,003.6		2,891.1
Accumulated Other Comprehensive Income (Loss)		(5.8)		(4.8)
TOTAL EQUITY		5,086.9		4,975.4
TOTAL LIABILITIES AND EQUITY		$ 15,256.4		$ 15,222.2
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		$ 8.5		$ 4.2
Advances to Affiliates		60.0		23.0
Accounts Receivable:
Customers		62.4		96.6
Affiliated Companies - Contracts with Customers		86.6		104.0
Accrued Unbilled Revenues		0.0		0.6
Miscellaneous		4.6		4.7
Allowance for Uncollectible Accounts		0.0		(0.1)
Total Accounts Receivable		153.6		205.8
Fuel		66.5		46.5
Materials and Supplies		192.2		188.1
Risk Management Assets		5.9		15.2
Regulatory Asset for Under-Recovered Fuel Costs		43.3		47.1
Prepayments and Other Current Assets		41.4		41.9
TOTAL CURRENT ASSETS		571.4		571.8
Property, Plant and Equipment
Generation		5,590.1		5,585.1
Transmission		1,861.0		1,842.2
Distribution		3,054.8		3,024.7
Other Property, Plant and Equipment		813.6		839.3
Construction Work in Progress		288.2		253.0
Total Property, Plant and Equipment		11,607.7		11,544.3
Accumulated Depreciation and Amortization		4,190.8		4,132.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,416.9		7,411.5
Other Noncurrent Assets
Regulatory Assets		420.8		459.6
Spent Nuclear Fuel and Decommissioning Trusts		3,501.1		3,341.2
Operating Lease Assets		60.9		64.3
Deferred Charges and Other Noncurrent Assets		271.2		270.5
TOTAL OTHER NONCURRENT ASSETS		4,254.0		4,135.6
TOTAL ASSETS		12,242.3		12,118.9
Current Liabilities
Advances from Affiliates		0.0		249.9
Accounts Payable		165.4		173.4
Affiliated Companies		91.8		121.5
Short-term Debt:
Long-term Debt Due Within One Year		86.0		341.8
Customer Deposits		46.3		48.6
Accrued Taxes		124.3		103.2
Accrued Interest		24.8		36.9
Obligations Under Operating Leases		16.7		16.0
Other Current Liabilities		79.5		105.8
TOTAL CURRENT LIABILITIES		634.8		1,197.1
Noncurrent Liabilities
Long-term Debt		3,403.0		2,919.0
Deferred Income Tax Liabilities, Net		1,162.5		1,157.0
Regulatory Liabilities and Deferred Investment Tax Credits		1,824.0		1,702.2
Asset Retirement Obligations		2,046.2		2,027.6
Obligations Under Operating Leases		45.2		48.9
Deferred Credits and Other Noncurrent Liabilities		49.3		58.8
TOTAL NONCURRENT LIABILITIES		8,530.2		7,913.5
TOTAL LIABILITIES		9,165.0		9,110.6
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6		56.6
Paid-in Capital		988.8		988.8
Retained Earnings		2,034.8		1,963.2
Accumulated Other Comprehensive Income (Loss)		(2.9)		(0.3)
TOTAL EQUITY		3,077.3		3,008.3
TOTAL LIABILITIES AND EQUITY		$ 12,242.3		$ 12,118.9
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		$ 83.8		$ 89.6
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		9.1		9.6
Accounts Receivable:
Customers		104.9		119.9
Affiliated Companies - Contracts with Customers		113.9		100.9
Accrued Unbilled Revenues		30.0		17.8
Miscellaneous		0.1		0.1
Allowance for Uncollectible Accounts		(0.1)		(0.1)
Total Accounts Receivable		248.8		238.6
Materials and Supplies		110.0		109.5
Renewable Energy Credits		36.7		35.0
Prepayments and Other Current Assets		25.6		21.7
TOTAL CURRENT ASSETS		430.2		414.4
Property, Plant and Equipment
Transmission		3,218.7		3,198.6
Distribution		6,535.9		6,450.3
Other Property, Plant and Equipment		1,066.5		1,051.4
Construction Work in Progress		589.1		474.3
Total Property, Plant and Equipment		11,410.2		11,174.6
Accumulated Depreciation and Amortization		2,602.9		2,565.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,807.3		8,609.3
Other Noncurrent Assets
Regulatory Assets		352.8		327.3
Operating Lease Assets		72.5		73.8
Deferred Charges and Other Noncurrent Assets		489.9		578.3
TOTAL OTHER NONCURRENT ASSETS		915.2		979.4
TOTAL ASSETS		10,152.7		10,003.1
Current Liabilities
Advances from Affiliates		414.6		172.9
Accounts Payable		333.5		337.3
Affiliated Companies		130.0		126.1
Short-term Debt:
Long-term Debt Due Within One Year		0.1		0.1
Risk Management Liabilities		6.0		1.8
Customer Deposits		73.8		96.5
Accrued Taxes		573.4		733.1
Obligations Under Operating Leases		13.4		13.5
Other Current Liabilities		145.5		154.2
TOTAL CURRENT LIABILITIES		1,690.3		1,635.5
Noncurrent Liabilities
Long-term Debt		2,970.7		2,970.2
Deferred Income Tax Liabilities, Net		1,109.1		1,101.1
Long-term Risk Management Liabilities		40.9		37.9
Regulatory Liabilities and Deferred Investment Tax Credits		1,014.6		1,044.0
Obligations Under Operating Leases		59.2		60.3
Deferred Credits and Other Noncurrent Liabilities		51.8		66.0
TOTAL NONCURRENT LIABILITIES		5,246.3		5,279.5
TOTAL LIABILITIES		6,936.6		6,915.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2		321.2
Paid-in Capital		887.8		837.8
Retained Earnings		2,007.1		1,929.1
TOTAL EQUITY		3,216.1		3,088.1
TOTAL LIABILITIES AND EQUITY		$ 10,152.7		$ 10,003.1
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		$ 3.8		$ 4.0
Accounts Receivable:
Customers		61.4		70.1
Affiliated Companies - Contracts with Customers		33.5		52.2
Miscellaneous		1.0		0.8
Total Accounts Receivable		95.9		123.1
Fuel		14.9		11.6
Materials and Supplies		95.9		111.1
Risk Management Assets		9.4		25.3
Accrued Tax Benefits		27.4		16.1
Regulatory Asset for Under-Recovered Fuel Costs		178.7		178.7
Prepayments and Other Current Assets		23.3		21.6
TOTAL CURRENT ASSETS		449.3		491.5
Property, Plant and Equipment
Generation		2,658.9		2,394.8
Transmission		1,171.8		1,164.4
Distribution		3,264.4		3,216.4
Other Property, Plant and Equipment		478.5		469.3
Construction Work in Progress		263.8		219.3
Total Property, Plant and Equipment		7,837.4		7,464.2
Accumulated Depreciation and Amortization		1,973.1		1,837.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		5,864.3		5,626.5
Other Noncurrent Assets
Regulatory Assets		609.8		653.7
Employee Benefits and Pension Assets		68.7		67.3
Operating Lease Assets		106.1		106.1
Deferred Charges and Other Noncurrent Assets		66.4		20.8
TOTAL OTHER NONCURRENT ASSETS		851.0		847.9
TOTAL ASSETS		7,164.6		6,965.9
Current Liabilities
Advances from Affiliates		130.7		364.2
Accounts Payable		155.7		202.9
Affiliated Companies		56.3		76.7
Short-term Debt:
Long-term Debt Due Within One Year		0.5		0.5
Customer Deposits		59.4		59.0
Accrued Taxes		64.9		28.7
Obligations Under Operating Leases		9.2		8.9
Other Current Liabilities		93.7		101.8
TOTAL CURRENT LIABILITIES		570.4		842.7
Noncurrent Liabilities
Long-term Debt		2,383.1		1,912.3
Deferred Income Tax Liabilities, Net		805.9		788.6
Regulatory Liabilities and Deferred Investment Tax Credits		808.4		809.1
Asset Retirement Obligations		80.3		73.5
Obligations Under Operating Leases		99.1		99.3
Deferred Credits and Other Noncurrent Liabilities		19.6		21.3
TOTAL NONCURRENT LIABILITIES		4,196.4		3,704.1
TOTAL LIABILITIES		4,766.8		4,546.8
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2		157.2
Paid-in Capital		1,042.6		1,042.6
Retained Earnings		1,198.2		1,218.0
Accumulated Other Comprehensive Income (Loss)		(0.2)		1.3
TOTAL EQUITY		2,397.8		2,419.1
TOTAL LIABILITIES AND EQUITY		$ 7,164.6		$ 6,965.9
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
Southwestern Electric Power Co [Member]
Current Assets
Cash and Cash Equivalents		$ 8.2		$ 88.4
Advances to Affiliates		2.1		2.1
Accounts Receivable:
Customers		33.9		38.8
Affiliated Companies - Contracts with Customers		38.9		65.4
Miscellaneous		11.9		10.4
Total Accounts Receivable		84.7		114.6
Fuel		90.6		81.3
Materials and Supplies		84.5		92.1
Risk Management Assets		6.3		16.4
Accrued Tax Benefits		33.7		16.5
Regulatory Asset for Under-Recovered Fuel Costs		326.5		353.0
Prepayments and Other Current Assets		41.9		47.8
TOTAL CURRENT ASSETS		678.5		812.2
Property, Plant and Equipment
Generation		4,870.3		5,476.2
Transmission		2,481.5		2,479.8
Distribution		2,691.1		2,659.6
Other Property, Plant and Equipment		785.7		804.4
Construction Work in Progress		470.4		369.5
Total Property, Plant and Equipment		11,299.0		11,789.5
Accumulated Depreciation and Amortization		2,956.4		3,527.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,342.6		8,262.2
Other Noncurrent Assets
Regulatory Assets		1,040.9		1,042.4
Deferred Charges and Other Noncurrent Assets		334.6		262.0
TOTAL OTHER NONCURRENT ASSETS		1,375.5		1,304.4
TOTAL ASSETS		10,396.6		10,378.8
Current Liabilities
Advances from Affiliates		18.8		310.7
Accounts Payable		188.9		213.1
Affiliated Companies		51.5		81.7
Short-term Debt:
Other Short-term Debt		16.0		0.0
Long-term Debt Due Within One Year		0.0		6.2
Customer Deposits		68.7		65.4
Accrued Taxes		132.3		52.8
Accrued Interest		27.9		36.0
Obligations Under Operating Leases		8.9		8.4
Asset Retirement Obligations		43.7		43.7
Other Current Liabilities		105.7		129.7
TOTAL CURRENT LIABILITIES		662.4		947.7
Noncurrent Liabilities
Long-term Debt		3,644.8		3,385.4
Deferred Income Tax Liabilities, Net		1,103.7		1,089.7
Regulatory Liabilities and Deferred Investment Tax Credits		776.5		825.7
Asset Retirement Obligations		236.9		237.2
Employee Benefits and Pension Obligations		29.5		29.7
Obligations Under Operating Leases		121.4		120.2
Deferred Credits and Other Noncurrent Liabilities		56.2		68.4
TOTAL NONCURRENT LIABILITIES		5,969.0		5,756.3
TOTAL LIABILITIES		6,631.4		6,704.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1		0.1
Paid-in Capital		1,492.2		1,442.2
Retained Earnings		2,276.6		2,236.0
Accumulated Other Comprehensive Income (Loss)		(4.1)		(4.2)
TOTAL COMMON SHAREHOLDER'S EQUITY		3,764.8		3,674.1
Noncontrolling Interests		0.4		0.7
TOTAL EQUITY		3,765.2		3,674.8
TOTAL LIABILITIES AND EQUITY		$ 10,396.6		$ 10,378.8
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		$ 3.9		$ 84.2
Accounts Receivable:
Fuel		0.0		14.2
Materials and Supplies		4.2		4.2
Property, Plant and Equipment
Other Property, Plant and Equipment		187.8		219.8
Accumulated Depreciation and Amortization		$ 187.8		$ 212.5

[1] Amount includes Assets Held for Sale on the balance sheet. See “Planned Disposition of the Competitive Contracted Renewables Portfolio” section of Note 6 for additional information.

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