Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Current Assets
Cash and Cash Equivalents		$ 575.3	$ 403.4
Restricted Cash		45.9	48.0
Other Temporary Investments		192.0	220.4
Accounts Receivable:
Customers		930.3	720.9
Accrued Unbilled Revenues		259.3	204.4
Pledged Accounts Receivable - AEP Credit		1,155.9	1,038.0
Miscellaneous		57.2	33.9
Allowance for Uncollectible Accounts		(53.4)	(55.6)
Total Accounts Receivable		2,349.3	1,941.6
Fuel		353.7	307.9
Materials and Supplies		748.6	681.3
Risk Management Assets		453.5	194.4
Accrued Tax Benefits		97.6	121.5
Assets Held for Sale		2,945.7	2,919.7
Regulatory Asset for Under-Recovered Fuel Costs		1,324.8	647.8
Prepayments and Other Current Assets		284.6	323.2
TOTAL CURRENT ASSETS		9,371.0	7,809.2
Property, Plant and Equipment
Generation		24,465.9	23,088.1
Transmission		30,757.2	29,911.1
Distribution		25,118.9	24,440.0
Other Property, Plant and Equipment		5,839.9	5,682.9
Construction Work in Progress		4,289.1	3,684.3
Total Property, Plant and Equipment		90,471.0	86,806.4
Accumulated Depreciation and Amortization		21,762.8	20,805.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		68,708.2	66,001.3
Other Noncurrent Assets
Regulatory Assets		4,157.7	4,142.3
Securitized Assets		502.5	552.8
Spent Nuclear Fuel and Decommissioning Trusts		3,280.8	3,867.0
Goodwill		52.5	52.5
Long-term Risk Management Assets		164.9	267.0
Operating Lease Assets		630.6	578.3
Deferred Charges and Other Noncurrent Assets		3,993.1	4,398.3
TOTAL OTHER NONCURRENT ASSETS		12,782.1	13,858.2
TOTAL ASSETS	[1]	90,861.3	87,668.7
Current Liabilities
Accounts Payable		2,198.2	2,054.6
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[2]	750.0	750.0
Other Short-term Debt		1,380.0	1,864.0
Total Short-term Debt		2,130.0	2,614.0
Long-term Debt Due Within One Year	[3]	2,476.7	2,153.8
Risk Management Liabilities		179.7	75.4
Customer Deposits		483.1	321.6
Accrued Taxes		1,350.2	1,586.4
Accrued Interest		295.4	273.2
Obligations Under Operating Leases		94.1	97.6
Liabilities Held for Sale		1,900.3	1,880.9
Other Current Liabilities		1,340.3	1,369.2
TOTAL CURRENT LIABILITIES		12,448.0	12,426.7
Noncurrent Liabilities
Long-term Debt	[4]	32,982.7	31,300.7
Long-term Risk Management Liabilities		312.0	230.3
Deferred Income Taxes		8,481.0	8,202.5
Regulatory Liabilities and Deferred Investment Tax Credits		8,057.2	8,686.3
Asset Retirement Obligations		2,789.6	2,676.2
Employee Benefits and Pension Obligations		290.7	328.4
Obligations Under Operating Leases		549.6	492.8
Deferred Credits and Other Noncurrent Liabilities		589.9	601.3
TOTAL NONCURRENT LIABILITIES		54,052.7	52,518.5
TOTAL LIABILITIES		66,500.7	64,945.2
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		63.6	43.3
Total Mezzanine Equity		63.6	43.3
Equity
Common Stock		3,412.0	3,408.7
Paid-in Capital		7,984.0	7,172.6
Retained Earnings		12,108.6	11,667.1
Accumulated Other Comprehensive Income (Loss)		551.4	184.8
TOTAL COMMON SHAREHOLDER'S EQUITY		24,056.0	22,433.2
Noncontrolling Interests		241.0	247.0
TOTAL EQUITY		24,297.0	22,680.2
TOTAL LIABILITIES AND EQUITY		$ 90,861.3	$ 87,668.7
Common Stock, No Par Value		$ 6.50	$ 6.50
Common Stock, Shares Authorized		600,000,000	600,000,000
Common Stock, Shares, Issued		524,921,200	524,416,175
Treasury Stock, Shares		11,233,240	20,204,160
Commodity [Member]
Equity
Cross Default Provisions Maximum Third Party Obligation Amount		$ 50.0
Subsidiaries [Member]
Current Assets
Restricted Cash		45.9	$ 48.0
Other Temporary Investments		182.8	214.8
Short-term Debt:
Long-term Debt Due Within One Year		266.1	190.5
Noncurrent Liabilities
Long-term Debt		744.7	840.5
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1	0.1
Restricted Cash		29.7	30.4
Advances to Affiliates		640.9	6.9
Accounts Receivable:
Customers		167.8	123.4
Affiliated Companies - Contracts with Customers		9.8	7.9
Accrued Unbilled Revenues		101.9	77.9
Miscellaneous		0.1	0.0
Allowance for Uncollectible Accounts		(4.1)	(4.0)
Total Accounts Receivable		275.5	205.2
Materials and Supplies		98.0	73.9
Risk Management Assets		0.2	0.0
Accrued Tax Benefits		25.1	24.8
Prepayments and Other Current Assets		7.1	5.9
TOTAL CURRENT ASSETS		1,076.6	347.2
Property, Plant and Equipment
Transmission		6,109.5	5,849.9
Distribution		5,075.7	4,917.2
Other Property, Plant and Equipment		996.6	961.1
Construction Work in Progress		581.3	551.3
Total Property, Plant and Equipment		12,763.1	12,279.5
Accumulated Depreciation and Amortization		1,707.8	1,644.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		11,055.3	10,635.4
Other Noncurrent Assets
Regulatory Assets		269.4	275.2
Securitized Assets		330.2	367.6
Deferred Charges and Other Noncurrent Assets		264.4	211.3
TOTAL OTHER NONCURRENT ASSETS		864.0	854.1
TOTAL ASSETS		12,995.9	11,836.7
Current Liabilities
Advances from Affiliates		0.0	26.9
Accounts Payable		224.9	306.3
Affiliated Companies		37.1	32.5
Short-term Debt:
Long-term Debt Due Within One Year		642.2	716.0
Accrued Taxes		127.6	93.3
Accrued Interest		50.5	44.7
Obligations Under Operating Leases		14.1	14.0
Other Current Liabilities		141.4	78.0
TOTAL CURRENT LIABILITIES		1,237.8	1,311.7
Noncurrent Liabilities
Long-term Debt		5,486.0	4,464.8
Deferred Income Taxes		1,117.9	1,088.9
Regulatory Liabilities and Deferred Investment Tax Credits		1,256.2	1,242.0
Obligations Under Operating Leases		56.2	61.3
Deferred Credits and Other Noncurrent Liabilities		86.2	73.8
TOTAL NONCURRENT LIABILITIES		8,002.5	6,930.8
TOTAL LIABILITIES		9,240.3	8,242.5
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		1,555.2	1,553.9
Retained Earnings		2,206.4	2,046.8
Accumulated Other Comprehensive Income (Loss)		(6.0)	(6.5)
TOTAL EQUITY		3,755.6	3,594.2
TOTAL LIABILITIES AND EQUITY		12,995.9	11,836.7
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		29.7	30.4
Other Noncurrent Assets
Securitized Assets		330.2	367.6
Short-term Debt:
Long-term Debt Due Within One Year		92.2	91.0
Accrued Interest		2.3	2.3
Noncurrent Liabilities
Long-term Debt		270.8	313.7
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	0.0
Advances to Affiliates		134.8	27.2
Accounts Receivable:
Customers		43.8	22.5
Affiliated Companies - Contracts with Customers		111.1	96.1
Total Accounts Receivable		154.9	118.6
Materials and Supplies		11.5	9.3
Accrued Tax Benefits		12.0	5.6
Assets Held for Sale		171.5	167.9
Prepayments and Other Current Assets		1.8	2.7
TOTAL CURRENT ASSETS		486.5	331.3
Property, Plant and Equipment
Transmission		11,225.7	10,886.3
Other Property, Plant and Equipment		431.0	427.4
Construction Work in Progress		1,680.3	1,394.8
Total Property, Plant and Equipment		13,337.0	12,708.5
Accumulated Depreciation and Amortization		887.8	772.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,449.2	11,935.7
Other Noncurrent Assets
Regulatory Assets		4.6	8.5
Deferred Property Taxes		144.3	245.7
Deferred Charges and Other Noncurrent Assets		5.2	3.2
TOTAL OTHER NONCURRENT ASSETS		154.1	257.4
TOTAL ASSETS	[5]	13,089.8	12,524.4
Current Liabilities
Advances from Affiliates		56.7	124.0
Accounts Payable		314.0	460.1
Affiliated Companies		80.6	69.9
Short-term Debt:
Long-term Debt Due Within One Year		104.0	104.0
Accrued Taxes		378.5	479.0
Accrued Interest		29.5	28.4
Obligations Under Operating Leases		1.2	0.9
Liabilities Held for Sale		27.6	27.6
Other Current Liabilities		20.1	3.0
TOTAL CURRENT LIABILITIES		1,012.2	1,296.9
Noncurrent Liabilities
Long-term Debt		4,781.6	4,239.9
Deferred Income Taxes		1,006.2	962.9
Regulatory Liabilities and Deferred Investment Tax Credits		679.1	644.1
Obligations Under Operating Leases		1.9	1.3
Deferred Credits and Other Noncurrent Liabilities		46.0	3.2
TOTAL NONCURRENT LIABILITIES		6,514.8	5,851.4
TOTAL LIABILITIES		7,527.0	7,148.3
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		2,952.4	2,949.6
Retained Earnings		2,610.4	2,426.5
TOTAL MEMBER'S EQUITY		5,562.8	5,376.1
TOTAL LIABILITIES AND EQUITY		13,089.8	12,524.4
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		4.9	2.5
Restricted Cash		16.2	17.6
Advances to Affiliates		19.4	20.8
Accounts Receivable:
Customers		156.1	158.5
Affiliated Companies - Contracts with Customers		72.1	129.9
Accrued Unbilled Revenues		50.7	54.0
Miscellaneous		0.2	0.2
Allowance for Uncollectible Accounts		(2.0)	(1.6)
Total Accounts Receivable		277.1	341.0
Fuel		136.1	67.1
Materials and Supplies		116.2	109.8
Risk Management Assets		79.7	42.0
Regulatory Asset for Under-Recovered Fuel Costs		513.4	201.3
Margin Deposits		7.3	71.8
Prepayments and Other Current Assets		50.1	51.4
TOTAL CURRENT ASSETS		1,220.4	925.3
Property, Plant and Equipment
Generation		6,704.3	6,683.9
Transmission		4,403.4	4,322.4
Distribution		4,776.8	4,683.3
Other Property, Plant and Equipment		712.1	696.6
Construction Work in Progress		624.8	469.9
Total Property, Plant and Equipment		17,221.4	16,856.1
Accumulated Depreciation and Amortization		5,233.1	5,051.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		11,988.3	11,804.3
Other Noncurrent Assets
Regulatory Assets		771.8	757.6
Securitized Assets		172.3	185.1
Employee Benefits and Pension Assets		228.0	220.5
Operating Lease Assets		63.0	66.9
Deferred Charges and Other Noncurrent Assets		123.2	129.2
TOTAL OTHER NONCURRENT ASSETS		1,358.3	1,359.3
TOTAL ASSETS		14,567.0	14,088.9
Current Liabilities
Advances from Affiliates		349.2	199.3
Accounts Payable		399.6	262.2
Affiliated Companies		125.9	118.6
Short-term Debt:
Long-term Debt Due Within One Year		251.6	480.7
Customer Deposits		75.5	73.9
Accrued Taxes		113.0	119.7
Accrued Interest		47.9	47.9
Obligations Under Operating Leases		14.7	15.1
Other Current Liabilities		107.4	98.5
TOTAL CURRENT LIABILITIES		1,484.8	1,415.9
Noncurrent Liabilities
Long-term Debt		4,675.6	4,458.2
Deferred Income Taxes		1,858.8	1,804.7
Regulatory Liabilities and Deferred Investment Tax Credits		1,197.3	1,238.8
Asset Retirement Obligations		403.9	394.9
Employee Benefits and Pension Obligations		40.6	41.5
Obligations Under Operating Leases		48.9	52.4
Deferred Credits and Other Noncurrent Liabilities		36.0	34.6
TOTAL NONCURRENT LIABILITIES		8,261.1	8,025.1
TOTAL LIABILITIES		9,745.9	9,441.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4	260.4
Paid-in Capital		1,831.5	1,828.7
Retained Earnings		2,707.3	2,534.4
Accumulated Other Comprehensive Income (Loss)		21.9	24.4
TOTAL EQUITY		4,821.1	4,647.9
TOTAL LIABILITIES AND EQUITY		$ 14,567.0	$ 14,088.9
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
Indiana Michigan Power Co [Member]
Current Assets
Cash and Cash Equivalents		$ 2.8	$ 1.3
Advances to Affiliates		22.5	21.5
Accounts Receivable:
Customers		45.1	40.6
Affiliated Companies - Contracts with Customers		50.0	78.2
Accrued Unbilled Revenues		0.1	0.0
Miscellaneous		2.9	2.5
Allowance for Uncollectible Accounts		0.1	(0.1)
Total Accounts Receivable		98.2	121.2
Fuel		50.0	56.8
Materials and Supplies		177.5	175.2
Regulatory Asset for Under-Recovered Fuel Costs		22.3	6.4
Prepayments and Other Current Assets		63.8	57.0
TOTAL CURRENT ASSETS		437.1	439.4
Property, Plant and Equipment
Generation		5,559.6	5,531.8
Transmission		1,810.5	1,783.1
Distribution		2,901.1	2,800.1
Other Property, Plant and Equipment		834.6	792.9
Construction Work in Progress		311.6	302.8
Total Property, Plant and Equipment		11,417.4	11,210.7
Accumulated Depreciation and Amortization		4,068.0	3,899.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,349.4	7,310.9
Other Noncurrent Assets
Regulatory Assets		428.8	410.9
Spent Nuclear Fuel and Decommissioning Trusts		3,280.8	3,867.0
Operating Lease Assets		54.1	63.5
Deferred Charges and Other Noncurrent Assets		295.8	316.5
TOTAL OTHER NONCURRENT ASSETS		4,059.5	4,657.9
TOTAL ASSETS		11,846.0	12,408.2
Current Liabilities
Advances from Affiliates		50.5	93.3
Accounts Payable		186.3	174.4
Affiliated Companies		78.9	94.9
Short-term Debt:
Long-term Debt Due Within One Year		326.8	67.0
Customer Deposits		41.0	45.2
Accrued Taxes		99.3	106.5
Accrued Interest		37.0	37.0
Finance Lease, Liability, Current		94.0	130.5
Obligations Under Operating Leases		12.2	15.5
Regulatory Liability for Over-Recovered Fuel Costs		0.0	1.5
Other Current Liabilities		124.1	128.2
TOTAL CURRENT LIABILITIES		1,050.1	894.0
Noncurrent Liabilities
Long-term Debt		2,901.9	3,128.0
Deferred Income Taxes		1,140.2	1,100.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,764.0	2,447.9
Asset Retirement Obligations		1,984.5	1,946.2
Obligations Under Operating Leases		42.5	48.9
Deferred Credits and Other Noncurrent Liabilities		69.5	58.3
TOTAL NONCURRENT LIABILITIES		7,902.6	8,729.5
TOTAL LIABILITIES		8,952.7	9,623.5
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6	56.6
Paid-in Capital		982.2	980.9
Retained Earnings		1,855.2	1,748.5
Accumulated Other Comprehensive Income (Loss)		(0.7)	(1.3)
TOTAL EQUITY		2,893.3	2,784.7
TOTAL LIABILITIES AND EQUITY		$ 11,846.0	$ 12,408.2
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		$ 74.7	$ 65.0
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		6.9	3.0
Advances to Affiliates		56.0	42.0
Accounts Receivable:
Customers		99.4	71.6
Affiliated Companies - Contracts with Customers		74.0	71.8
Accrued Unbilled Revenues		12.3	1.3
Miscellaneous		2.7	5.9
Allowance for Uncollectible Accounts		(0.1)	(0.6)
Total Accounts Receivable		188.3	150.0
Materials and Supplies		88.9	74.1
Renewable Energy Credits		34.2	30.5
Prepayments and Other Current Assets		35.1	27.9
TOTAL CURRENT ASSETS		409.4	327.5
Property, Plant and Equipment
Transmission		3,050.1	2,992.8
Distribution		6,231.7	6,070.6
Other Property, Plant and Equipment		1,011.1	992.9
Construction Work in Progress		430.4	365.0
Total Property, Plant and Equipment		10,723.3	10,421.3
Accumulated Depreciation and Amortization		2,508.5	2,458.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,214.8	7,963.0
Other Noncurrent Assets
Regulatory Assets		290.3	293.0
Operating Lease Assets		77.3	81.2
Deferred Charges and Other Noncurrent Assets		431.8	601.1
TOTAL OTHER NONCURRENT ASSETS		799.4	975.3
TOTAL ASSETS		9,423.6	9,265.8
Current Liabilities
Accounts Payable		296.7	213.5
Affiliated Companies		119.8	125.4
Short-term Debt:
Long-term Debt Due Within One Year		0.1	0.1
Risk Management Liabilities		0.0	6.7
Customer Deposits		208.9	66.4
Accrued Taxes		458.1	702.4
Obligations Under Operating Leases		13.4	13.1
Other Current Liabilities		158.2	118.1
TOTAL CURRENT LIABILITIES		1,255.2	1,245.7
Noncurrent Liabilities
Long-term Debt		2,969.3	2,968.4
Long-term Risk Management Liabilities		49.6	85.8
Deferred Income Taxes		1,028.4	1,000.9
Regulatory Liabilities and Deferred Investment Tax Credits		1,045.2	1,020.9
Obligations Under Operating Leases		64.4	68.6
Deferred Credits and Other Noncurrent Liabilities		36.5	29.2
TOTAL NONCURRENT LIABILITIES		5,193.4	5,173.8
TOTAL LIABILITIES		6,448.6	6,419.5
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2	321.2
Paid-in Capital		839.5	838.8
Retained Earnings		1,814.3	1,686.3
TOTAL EQUITY		2,975.0	2,846.3
TOTAL LIABILITIES AND EQUITY		$ 9,423.6	$ 9,265.8
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		$ 3.6	$ 1.3
Accounts Receivable:
Customers		45.3	41.5
Affiliated Companies - Contracts with Customers		62.1	35.0
Miscellaneous		0.2	0.6
Allowance for Uncollectible Accounts		0.1	0.0
Total Accounts Receivable		107.7	77.1
Fuel		8.8	14.5
Materials and Supplies		73.6	56.2
Risk Management Assets		64.6	12.1
Accrued Tax Benefits		21.0	17.6
Regulatory Asset for Under-Recovered Fuel Costs		314.5	194.6
Prepayments and Other Current Assets		30.5	13.4
TOTAL CURRENT ASSETS		624.3	386.8
Property, Plant and Equipment
Generation		2,382.9	1,802.4
Transmission		1,128.2	1,107.7
Distribution		3,095.0	3,004.9
Other Property, Plant and Equipment		455.1	437.0
Construction Work in Progress		168.0	156.0
Total Property, Plant and Equipment		7,229.2	6,508.0
Accumulated Depreciation and Amortization		1,774.2	1,705.2
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		5,455.0	4,802.8
Other Noncurrent Assets
Regulatory Assets		1,043.8	1,037.4
Employee Benefits and Pension Assets		96.9	95.2
Operating Lease Assets		107.3	68.9
Deferred Charges and Other Noncurrent Assets		34.2	7.9
TOTAL OTHER NONCURRENT ASSETS		1,282.2	1,209.4
TOTAL ASSETS		7,361.5	6,399.0
Current Liabilities
Advances from Affiliates		283.4	72.3
Accounts Payable		229.8	157.4
Affiliated Companies		88.3	51.0
Short-term Debt:
Long-term Debt Due Within One Year		625.5	125.5
Risk Management Liabilities		0.0	3.7
Customer Deposits		58.8	56.2
Accrued Taxes		54.3	27.0
Obligations Under Operating Leases		8.1	6.9
Other Current Liabilities		73.5	62.7
TOTAL CURRENT LIABILITIES		1,421.7	562.7
Noncurrent Liabilities
Long-term Debt		1,788.3	1,788.0
Deferred Income Taxes		785.4	782.3
Regulatory Liabilities and Deferred Investment Tax Credits		830.7	835.3
Asset Retirement Obligations		73.7	57.5
Obligations Under Operating Leases		100.4	62.2
Deferred Credits and Other Noncurrent Liabilities		18.7	19.4
TOTAL NONCURRENT LIABILITIES		3,597.2	3,544.7
TOTAL LIABILITIES		5,018.9	4,107.4
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2	157.2
Paid-in Capital		1,041.2	1,039.0
Retained Earnings		1,144.2	1,095.4
TOTAL EQUITY		2,342.6	2,291.6
TOTAL LIABILITIES AND EQUITY		$ 7,361.5	$ 6,399.0
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		$ 63.7	$ 51.2
Advances to Affiliates		2.1	155.9
Accounts Receivable:
Customers		34.9	35.8
Affiliated Companies - Contracts with Customers		71.9	38.3
Miscellaneous		14.3	12.3
Total Accounts Receivable		121.1	86.4
Fuel		70.2	82.2
Materials and Supplies		85.2	81.9
Risk Management Assets		45.4	9.8
Accrued Tax Benefits		42.1	17.8
Regulatory Asset for Under-Recovered Fuel Costs		286.3	143.9
Prepayments and Other Current Assets		45.7	39.4
TOTAL CURRENT ASSETS		761.8	668.5
Property, Plant and Equipment
Generation		5,436.0	4,734.5
Transmission		2,374.7	2,316.9
Distribution		2,576.7	2,514.3
Other Property, Plant and Equipment		789.5	764.0
Construction Work in Progress		274.4	240.7
Total Property, Plant and Equipment		11,451.3	10,570.4
Accumulated Depreciation and Amortization		3,346.2	3,170.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,105.1	7,400.1
Other Noncurrent Assets
Regulatory Assets		987.2	1,005.3
Deferred Charges and Other Noncurrent Assets		326.4	251.8
TOTAL OTHER NONCURRENT ASSETS		1,313.6	1,257.1
TOTAL ASSETS		10,180.5	9,325.7
Current Liabilities
Advances from Affiliates		213.2	0.0
Accounts Payable		204.6	163.6
Affiliated Companies		59.6	61.4
Short-term Debt:
Long-term Debt Due Within One Year		6.2	6.2
Risk Management Liabilities		0.0	2.1
Customer Deposits		65.1	62.4
Accrued Taxes		109.9	44.3
Accrued Interest		35.2	36.0
Obligations Under Operating Leases		8.2	8.1
Other Current Liabilities		127.7	154.6
TOTAL CURRENT LIABILITIES		829.7	538.7
Noncurrent Liabilities
Long-term Debt		3,387.2	3,389.0
Deferred Income Taxes		1,099.0	1,087.6
Regulatory Liabilities and Deferred Investment Tax Credits		815.3	806.9
Asset Retirement Obligations		236.7	192.7
Employee Benefits and Pension Obligations		22.4	20.3
Obligations Under Operating Leases		122.6	77.7
Deferred Credits and Other Noncurrent Liabilities		56.5	63.0
TOTAL NONCURRENT LIABILITIES		5,739.7	5,637.2
TOTAL LIABILITIES		6,569.4	6,175.9
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1	0.1
Paid-in Capital		1,444.4	1,092.2
Retained Earnings		2,159.2	2,050.9
Accumulated Other Comprehensive Income (Loss)		5.9	6.7
TOTAL COMMON SHAREHOLDER'S EQUITY		3,609.6	3,149.9
Noncontrolling Interests		1.5	(0.1)
TOTAL EQUITY		3,611.1	3,149.8
TOTAL LIABILITIES AND EQUITY		$ 10,180.5	$ 9,325.7
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		$ 59.9	$ 49.9
Accounts Receivable:
Fuel		19.7	13.1
Materials and Supplies		10.7	12.0
Property, Plant and Equipment
Other Property, Plant and Equipment		219.9	219.9
Accumulated Depreciation and Amortization		$ 190.5	$ 168.1

[1] Amount includes Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 6 for additional information.

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

[3] Amount excludes $415 million and $200 million as of June 30, 2022 and December 31, 2021, respectively, of Long-term Debt Due Within One Year classified as Liabilities Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 6 for additional information.

[4] Amount excludes $688 million and $903 million as of June 30, 2022 and December 31, 2021, respectively, of Long-term Debt classified as Liabilities Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 6 for additional information.

[5] Amount includes Assets Held for Sale on the balance sheet. See “Disposition of KPCo and KTCo” section of Note 6 for additional information.