Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2022	Dec. 31, 2021
Current Assets
Cash and Cash Equivalents		$ 522.2	$ 403.4
Restricted Cash		55.1	48.0
Other Temporary Investments		202.2	220.4
Accounts Receivable:
Customers		885.6	720.9
Accrued Unbilled Revenues		272.2	204.4
Pledged Accounts Receivable - AEP Credit		1,211.9	1,038.0
Miscellaneous		84.8	33.9
Allowance for Uncollectible Accounts		(53.2)	(55.6)
Total Accounts Receivable		2,401.3	1,941.6
Fuel		332.1	307.9
Materials and Supplies		801.9	681.3
Risk Management Assets		570.2	194.4
Accrued Tax Benefits		150.8	121.5
Assets Held for Sale		2,830.6	2,919.7
Regulatory Asset for Under-Recovered Fuel Costs		1,137.1	647.8
Prepayments and Other Current Assets		316.5	323.2
TOTAL CURRENT ASSETS		9,320.0	7,809.2
Property, Plant and Equipment
Generation		24,590.7	23,088.1
Transmission		31,271.5	29,911.1
Distribution		25,566.1	24,440.0
Other Property, Plant and Equipment		6,080.8	5,682.9
Construction Work in Progress		4,596.0	3,684.3
Total Property, Plant and Equipment		92,105.1	86,806.4
Accumulated Depreciation and Amortization		22,292.0	20,805.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		69,813.1	66,001.3
Other Noncurrent Assets
Regulatory Assets		3,877.5	4,142.3
Securitized Assets		474.3	552.8
Spent Nuclear Fuel and Decommissioning Trusts		3,130.5	3,867.0
Goodwill		52.5	52.5
Long-term Risk Management Assets		265.8	267.0
Operating Lease Assets		620.0	578.3
Deferred Charges and Other Noncurrent Assets		3,695.7	4,398.3
TOTAL OTHER NONCURRENT ASSETS		12,116.3	13,858.2
TOTAL ASSETS	[1]	91,249.4	87,668.7
Current Liabilities
Accounts Payable		2,240.2	2,054.6
Short-term Debt:
Securitized Debt for Receivables - AEP Credit	[2]	750.0	750.0
Other Short-term Debt		1,952.3	1,864.0
Total Short-term Debt		2,702.3	2,614.0
Long-term Debt Due Within One Year	[3]	1,403.5	2,153.8
Risk Management Liabilities		187.3	75.4
Customer Deposits		375.5	321.6
Accrued Taxes		1,116.9	1,586.4
Accrued Interest		375.4	273.2
Obligations Under Operating Leases		91.7	97.6
Liabilities Held for Sale		1,992.0	1,880.9
Other Current Liabilities		1,351.6	1,369.2
TOTAL CURRENT LIABILITIES		11,836.4	12,426.7
Noncurrent Liabilities
Long-term Debt	[4]	33,646.6	31,300.7
Deferred Income Tax Liabilities, Net		8,544.8	8,202.5
Long-term Risk Management Liabilities		388.2	230.3
Regulatory Liabilities and Deferred Investment Tax Credits		7,934.1	8,686.3
Asset Retirement Obligations		2,855.1	2,676.2
Employee Benefits and Pension Obligations		279.9	328.4
Obligations Under Operating Leases		540.0	492.8
Deferred Credits and Other Noncurrent Liabilities		638.7	601.3
TOTAL NONCURRENT LIABILITIES		54,827.4	52,518.5
TOTAL LIABILITIES		66,663.8	64,945.2
Rate Matters
Commitments and Contingencies
Contingently Reedemable Performance Share Awards		73.3	43.3
Total Mezzanine Equity		73.3	43.3
Equity
Common Stock		3,412.5	3,408.7
Paid-in Capital		8,001.0	7,172.6
Retained Earnings		12,389.8	11,667.1
Accumulated Other Comprehensive Income (Loss)		474.9	184.8
TOTAL COMMON SHAREHOLDER'S EQUITY		24,278.2	22,433.2
Noncontrolling Interests		234.1	247.0
TOTAL EQUITY		24,512.3	22,680.2
TOTAL LIABILITIES AND EQUITY		$ 91,249.4	$ 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		525,005,433	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		55.1	$ 48.0
Other Temporary Investments		188.4	214.8
Short-term Debt:
Long-term Debt Due Within One Year		196.4	190.5
Noncurrent Liabilities
Long-term Debt		764.0	840.5
AEP Texas Inc. [Member]
Current Assets
Cash and Cash Equivalents		0.1	0.1
Restricted Cash		47.7	30.4
Advances to Affiliates		136.3	6.9
Accounts Receivable:
Customers		166.0	123.4
Affiliated Companies - Contracts with Customers		5.9	7.9
Accrued Unbilled Revenues		94.7	77.9
Miscellaneous		0.2	0.0
Allowance for Uncollectible Accounts		(4.1)	(4.0)
Total Accounts Receivable		262.7	205.2
Materials and Supplies		113.8	73.9
Risk Management Assets		0.2	0.0
Accrued Tax Benefits		21.7	24.8
Prepayments and Other Current Assets		6.5	5.9
TOTAL CURRENT ASSETS		589.0	347.2
Property, Plant and Equipment
Transmission		6,154.4	5,849.9
Distribution		5,192.3	4,917.2
Other Property, Plant and Equipment		1,013.6	961.1
Construction Work in Progress		697.7	551.3
Total Property, Plant and Equipment		13,058.0	12,279.5
Accumulated Depreciation and Amortization		1,746.3	1,644.1
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		11,311.7	10,635.4
Other Noncurrent Assets
Regulatory Assets		243.9	275.2
Securitized Assets		308.3	367.6
Long-term Risk Management Assets		0.1	0.0
Deferred Charges and Other Noncurrent Assets		237.0	211.3
TOTAL OTHER NONCURRENT ASSETS		789.3	854.1
TOTAL ASSETS		12,690.0	11,836.7
Current Liabilities
Advances from Affiliates		0.0	26.9
Accounts Payable		249.2	306.3
Affiliated Companies		32.6	32.5
Short-term Debt:
Long-term Debt Due Within One Year		277.5	716.0
Accrued Taxes		129.6	93.3
Accrued Interest		72.3	44.7
Obligations Under Operating Leases		14.0	14.0
Other Current Liabilities		110.5	78.0
TOTAL CURRENT LIABILITIES		885.7	1,311.7
Noncurrent Liabilities
Long-term Debt		5,416.4	4,464.8
Deferred Income Tax Liabilities, Net		1,132.2	1,088.9
Long-term Risk Management Liabilities		0.1	0.0
Regulatory Liabilities and Deferred Investment Tax Credits		1,258.3	1,242.0
Obligations Under Operating Leases		54.3	61.3
Deferred Credits and Other Noncurrent Liabilities		93.0	73.8
TOTAL NONCURRENT LIABILITIES		7,954.3	6,930.8
TOTAL LIABILITIES		8,840.0	8,242.5
Rate Matters
Commitments and Contingencies
Equity
Paid-in Capital		1,555.7	1,553.9
Retained Earnings		2,300.0	2,046.8
Accumulated Other Comprehensive Income (Loss)		(5.7)	(6.5)
TOTAL EQUITY		3,850.0	3,594.2
TOTAL LIABILITIES AND EQUITY		12,690.0	11,836.7
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member]
Current Assets
Restricted Cash		47.7	30.4
Other Noncurrent Assets
Securitized Assets		308.3	367.6
Short-term Debt:
Long-term Debt Due Within One Year		92.5	91.0
Accrued Interest		2.5	2.3
Noncurrent Liabilities
Long-term Debt		259.2	313.7
AEP Transmission Co [Member]
Current Assets
Cash and Cash Equivalents		0.0	0.0
Advances to Affiliates		106.7	27.2
Accounts Receivable:
Customers		73.8	22.5
Affiliated Companies - Contracts with Customers		111.0	96.1
Total Accounts Receivable		184.8	118.6
Materials and Supplies		11.7	9.3
Accrued Tax Benefits		12.3	5.6
Assets Held for Sale		173.7	167.9
Prepayments and Other Current Assets		3.8	2.7
TOTAL CURRENT ASSETS		493.0	331.3
Property, Plant and Equipment
Transmission		11,609.8	10,886.3
Other Property, Plant and Equipment		440.6	427.4
Construction Work in Progress		1,644.6	1,394.8
Total Property, Plant and Equipment		13,695.0	12,708.5
Accumulated Depreciation and Amortization		952.4	772.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,742.6	11,935.7
Other Noncurrent Assets
Regulatory Assets		2.6	8.5
Deferred Property Taxes		75.7	245.7
Deferred Charges and Other Noncurrent Assets		5.3	3.2
TOTAL OTHER NONCURRENT ASSETS		83.6	257.4
TOTAL ASSETS	[5]	13,319.2	12,524.4
Current Liabilities
Advances from Affiliates		61.0	124.0
Accounts Payable		332.1	460.1
Affiliated Companies		121.5	69.9
Short-term Debt:
Long-term Debt Due Within One Year		104.0	104.0
Accrued Taxes		293.0	479.0
Accrued Interest		56.0	28.4
Obligations Under Operating Leases		1.3	0.9
Liabilities Held for Sale		27.6	27.6
Other Current Liabilities		14.8	3.0
TOTAL CURRENT LIABILITIES		1,011.3	1,296.9
Noncurrent Liabilities
Long-term Debt		4,782.6	4,239.9
Deferred Income Tax Liabilities, Net		1,032.8	962.9
Regulatory Liabilities and Deferred Investment Tax Credits		698.2	644.1
Obligations Under Operating Leases		1.8	1.3
Deferred Credits and Other Noncurrent Liabilities		55.6	3.2
TOTAL NONCURRENT LIABILITIES		6,571.0	5,851.4
TOTAL LIABILITIES		7,582.3	7,148.3
Rate Matters
Commitments and Contingencies
Equity
Paid-in Captial		3,013.8	2,949.6
Retained Earnings		2,723.1	2,426.5
TOTAL MEMBER'S EQUITY		5,736.9	5,376.1
TOTAL LIABILITIES AND EQUITY		13,319.2	12,524.4
Appalachian Power Co [Member]
Current Assets
Cash and Cash Equivalents		6.7	2.5
Restricted Cash		7.4	17.6
Advances to Affiliates		182.1	20.8
Accounts Receivable:
Customers		133.7	158.5
Affiliated Companies - Contracts with Customers		92.6	129.9
Accrued Unbilled Revenues		49.6	54.0
Miscellaneous		0.3	0.2
Allowance for Uncollectible Accounts		(1.5)	(1.6)
Total Accounts Receivable		274.7	341.0
Fuel		118.6	67.1
Materials and Supplies		120.4	109.8
Risk Management Assets		106.8	42.0
Accrued Tax Benefits		106.7	38.1
Regulatory Asset for Under-Recovered Fuel Costs		404.0	201.3
Margin Deposits		6.1	71.8
Prepayments and Other Current Assets		17.5	13.3
TOTAL CURRENT ASSETS		1,351.0	925.3
Property, Plant and Equipment
Generation		6,731.0	6,683.9
Transmission		4,445.2	4,322.4
Distribution		4,849.1	4,683.3
Other Property, Plant and Equipment		853.3	696.6
Construction Work in Progress		617.7	469.9
Total Property, Plant and Equipment		17,496.3	16,856.1
Accumulated Depreciation and Amortization		5,332.7	5,051.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		12,163.6	11,804.3
Other Noncurrent Assets
Regulatory Assets		970.3	757.6
Securitized Assets		165.9	185.1
Employee Benefits and Pension Assets		231.6	220.5
Operating Lease Assets		61.2	66.9
Deferred Charges and Other Noncurrent Assets		99.4	129.2
TOTAL OTHER NONCURRENT ASSETS		1,528.4	1,359.3
TOTAL ASSETS		15,043.0	14,088.9
Current Liabilities
Advances from Affiliates		0.0	199.3
Accounts Payable		374.6	262.2
Affiliated Companies		168.2	118.6
Short-term Debt:
Long-term Debt Due Within One Year		351.8	480.7
Customer Deposits		76.8	73.9
Accrued Taxes		89.4	119.7
Accrued Interest		84.1	47.9
Obligations Under Operating Leases		14.4	15.1
Other Current Liabilities		116.8	98.5
TOTAL CURRENT LIABILITIES		1,276.1	1,415.9
Noncurrent Liabilities
Long-term Debt		5,158.0	4,458.2
Deferred Income Tax Liabilities, Net		1,937.0	1,804.7
Regulatory Liabilities and Deferred Investment Tax Credits		1,218.4	1,238.8
Asset Retirement Obligations		418.8	394.9
Employee Benefits and Pension Obligations		40.2	41.5
Obligations Under Operating Leases		47.3	52.4
Deferred Credits and Other Noncurrent Liabilities		33.2	34.6
TOTAL NONCURRENT LIABILITIES		8,852.9	8,025.1
TOTAL LIABILITIES		10,129.0	9,441.0
Rate Matters
Commitments and Contingencies
Equity
Common Stock		260.4	260.4
Paid-in Capital		1,833.0	1,828.7
Retained Earnings		2,800.0	2,534.4
Accumulated Other Comprehensive Income (Loss)		20.6	24.4
TOTAL EQUITY		4,914.0	4,647.9
TOTAL LIABILITIES AND EQUITY		$ 15,043.0	$ 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		$ 25.8	$ 1.3
Advances to Affiliates		22.6	21.5
Accounts Receivable:
Customers		40.8	40.6
Affiliated Companies - Contracts with Customers		72.7	78.2
Accrued Unbilled Revenues		0.4	0.0
Miscellaneous		3.4	2.5
Allowance for Uncollectible Accounts		0.0	(0.1)
Total Accounts Receivable		117.3	121.2
Fuel		49.5	56.8
Materials and Supplies		179.4	175.2
Regulatory Asset for Under-Recovered Fuel Costs		25.4	6.4
Prepayments and Other Current Assets		50.0	57.0
TOTAL CURRENT ASSETS		470.0	439.4
Property, Plant and Equipment
Generation		5,601.6	5,531.8
Transmission		1,823.9	1,783.1
Distribution		2,955.9	2,800.1
Other Property, Plant and Equipment		854.6	792.9
Construction Work in Progress		314.7	302.8
Total Property, Plant and Equipment		11,550.7	11,210.7
Accumulated Depreciation and Amortization		4,161.3	3,899.8
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		7,389.4	7,310.9
Other Noncurrent Assets
Regulatory Assets		422.5	410.9
Spent Nuclear Fuel and Decommissioning Trusts		3,130.5	3,867.0
Operating Lease Assets		51.9	63.5
Deferred Charges and Other Noncurrent Assets		278.5	316.5
TOTAL OTHER NONCURRENT ASSETS		3,883.4	4,657.9
TOTAL ASSETS		11,742.8	12,408.2
Current Liabilities
Advances from Affiliates		104.9	93.3
Accounts Payable		187.3	174.4
Affiliated Companies		94.0	94.9
Short-term Debt:
Long-term Debt Due Within One Year		320.9	67.0
Customer Deposits		43.0	45.2
Accrued Taxes		76.9	106.5
Accrued Interest		24.5	37.0
Finance Lease, Liability, Current		94.1	130.5
Obligations Under Operating Leases		11.3	15.5
Regulatory Liability for Over-Recovered Fuel Costs		0.0	1.5
Other Current Liabilities		92.5	128.2
TOTAL CURRENT LIABILITIES		1,049.4	894.0
Noncurrent Liabilities
Long-term Debt		2,885.8	3,128.0
Deferred Income Tax Liabilities, Net		1,143.6	1,100.2
Regulatory Liabilities and Deferred Investment Tax Credits		1,577.0	2,447.9
Asset Retirement Obligations		2,009.8	1,946.2
Obligations Under Operating Leases		41.6	48.9
Deferred Credits and Other Noncurrent Liabilities		67.3	58.3
TOTAL NONCURRENT LIABILITIES		7,725.1	8,729.5
TOTAL LIABILITIES		8,774.5	9,623.5
Rate Matters
Commitments and Contingencies
Equity
Common Stock		56.6	56.6
Paid-in Capital		982.8	980.9
Retained Earnings		1,929.3	1,748.5
Accumulated Other Comprehensive Income (Loss)		(0.4)	(1.3)
TOTAL EQUITY		2,968.3	2,784.7
TOTAL LIABILITIES AND EQUITY		$ 11,742.8	$ 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		$ 68.8	$ 65.0
Ohio Power Co [Member]
Current Assets
Cash and Cash Equivalents		10.2	3.0
Advances to Affiliates		0.0	42.0
Accounts Receivable:
Customers		60.3	71.6
Affiliated Companies - Contracts with Customers		105.9	71.8
Accrued Unbilled Revenues		14.4	1.3
Miscellaneous		0.2	5.9
Allowance for Uncollectible Accounts		(0.1)	(0.6)
Total Accounts Receivable		180.7	150.0
Materials and Supplies		97.8	74.1
Renewable Energy Credits		33.6	30.5
Prepayments and Other Current Assets		27.2	27.9
TOTAL CURRENT ASSETS		349.5	327.5
Property, Plant and Equipment
Transmission		3,070.4	2,992.8
Distribution		6,336.9	6,070.6
Other Property, Plant and Equipment		1,038.7	992.9
Construction Work in Progress		491.6	365.0
Total Property, Plant and Equipment		10,937.6	10,421.3
Accumulated Depreciation and Amortization		2,541.6	2,458.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,396.0	7,963.0
Other Noncurrent Assets
Regulatory Assets		270.8	293.0
Operating Lease Assets		74.4	81.2
Deferred Charges and Other Noncurrent Assets		334.4	601.1
TOTAL OTHER NONCURRENT ASSETS		679.6	975.3
TOTAL ASSETS		9,425.1	9,265.8
Current Liabilities
Advances from Affiliates		68.8	0.0
Accounts Payable		314.9	213.5
Affiliated Companies		126.6	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		103.8	66.4
Accrued Taxes		367.0	702.4
Obligations Under Operating Leases		13.5	13.1
Other Current Liabilities		159.5	118.1
TOTAL CURRENT LIABILITIES		1,154.2	1,245.7
Noncurrent Liabilities
Long-term Debt		2,969.8	2,968.4
Deferred Income Tax Liabilities, Net		1,053.2	1,000.9
Long-term Risk Management Liabilities		45.1	85.8
Regulatory Liabilities and Deferred Investment Tax Credits		1,049.3	1,020.9
Obligations Under Operating Leases		60.6	68.6
Deferred Credits and Other Noncurrent Liabilities		60.7	29.2
TOTAL NONCURRENT LIABILITIES		5,238.7	5,173.8
TOTAL LIABILITIES		6,392.9	6,419.5
Rate Matters
Commitments and Contingencies
Equity
Common Stock		321.2	321.2
Paid-in Capital		839.8	838.8
Retained Earnings		1,871.2	1,686.3
TOTAL EQUITY		3,032.2	2,846.3
TOTAL LIABILITIES AND EQUITY		$ 9,425.1	$ 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		$ 5.5	$ 1.3
Accounts Receivable:
Customers		44.2	41.5
Affiliated Companies - Contracts with Customers		93.5	35.0
Miscellaneous		5.7	0.6
Total Accounts Receivable		143.4	77.1
Fuel		8.4	14.5
Materials and Supplies		89.0	56.2
Risk Management Assets		44.5	12.1
Accrued Tax Benefits		66.4	17.6
Regulatory Asset for Under-Recovered Fuel Costs		178.7	194.6
Prepayments and Other Current Assets		32.8	13.4
TOTAL CURRENT ASSETS		568.7	386.8
Property, Plant and Equipment
Generation		2,386.0	1,802.4
Transmission		1,131.2	1,107.7
Distribution		3,137.3	3,004.9
Other Property, Plant and Equipment		464.8	437.0
Construction Work in Progress		225.4	156.0
Total Property, Plant and Equipment		7,344.7	6,508.0
Accumulated Depreciation and Amortization		1,810.5	1,705.2
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		5,534.2	4,802.8
Other Noncurrent Assets
Regulatory Assets		606.2	1,037.4
Employee Benefits and Pension Assets		97.7	95.2
Operating Lease Assets		107.3	68.9
Deferred Charges and Other Noncurrent Assets		23.0	7.9
TOTAL OTHER NONCURRENT ASSETS		834.2	1,209.4
TOTAL ASSETS		6,937.1	6,399.0
Current Liabilities
Advances from Affiliates		223.5	72.3
Accounts Payable		249.0	157.4
Affiliated Companies		105.0	51.0
Short-term Debt:
Long-term Debt Due Within One Year		0.5	125.5
Risk Management Liabilities		0.0	3.7
Customer Deposits		60.5	56.2
Accrued Taxes		54.9	27.0
Obligations Under Operating Leases		8.4	6.9
Other Current Liabilities		75.0	62.7
TOTAL CURRENT LIABILITIES		776.8	562.7
Noncurrent Liabilities
Long-term Debt		1,913.1	1,788.0
Deferred Income Tax Liabilities, Net		794.9	782.3
Regulatory Liabilities and Deferred Investment Tax Credits		827.9	835.3
Asset Retirement Obligations		74.6	57.5
Obligations Under Operating Leases		100.3	62.2
Deferred Credits and Other Noncurrent Liabilities		18.9	19.4
TOTAL NONCURRENT LIABILITIES		3,729.7	3,544.7
TOTAL LIABILITIES		4,506.5	4,107.4
Rate Matters
Commitments and Contingencies
Equity
Common Stock		157.2	157.2
Paid-in Capital		1,042.3	1,039.0
Retained Earnings		1,231.1	1,095.4
TOTAL EQUITY		2,430.6	2,291.6
TOTAL LIABILITIES AND EQUITY		$ 6,937.1	$ 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		$ 84.4	$ 51.2
Advances to Affiliates		2.1	155.9
Accounts Receivable:
Customers		31.9	35.8
Affiliated Companies - Contracts with Customers		53.8	38.3
Miscellaneous		18.6	12.3
Total Accounts Receivable		104.3	86.4
Fuel		55.3	82.2
Materials and Supplies		85.3	81.9
Risk Management Assets		36.4	9.8
Accrued Tax Benefits		88.4	17.8
Regulatory Asset for Under-Recovered Fuel Costs		333.8	143.9
Prepayments and Other Current Assets		50.0	39.4
TOTAL CURRENT ASSETS		840.0	668.5
Property, Plant and Equipment
Generation		5,454.6	4,734.5
Transmission		2,380.3	2,316.9
Distribution		2,622.5	2,514.3
Other Property, Plant and Equipment		801.4	764.0
Construction Work in Progress		345.3	240.7
Total Property, Plant and Equipment		11,604.1	10,570.4
Accumulated Depreciation and Amortization		3,444.2	3,170.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET		8,159.9	7,400.1
Other Noncurrent Assets
Regulatory Assets		992.4	1,005.3
Deferred Charges and Other Noncurrent Assets		300.8	251.8
TOTAL OTHER NONCURRENT ASSETS		1,293.2	1,257.1
TOTAL ASSETS		10,293.1	9,325.7
Current Liabilities
Advances from Affiliates		156.3	0.0
Accounts Payable		206.2	163.6
Affiliated Companies		100.5	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		65.3	62.4
Accrued Taxes		113.8	44.3
Accrued Interest		30.3	36.0
Obligations Under Operating Leases		8.4	8.1
Other Current Liabilities		129.0	154.6
TOTAL CURRENT LIABILITIES		816.0	538.7
Noncurrent Liabilities
Long-term Debt		3,386.2	3,389.0
Deferred Income Tax Liabilities, Net		1,112.0	1,087.6
Regulatory Liabilities and Deferred Investment Tax Credits		818.2	806.9
Asset Retirement Obligations		247.5	192.7
Employee Benefits and Pension Obligations		23.2	20.3
Obligations Under Operating Leases		122.5	77.7
Deferred Credits and Other Noncurrent Liabilities		62.4	63.0
TOTAL NONCURRENT LIABILITIES		5,772.0	5,637.2
TOTAL LIABILITIES		6,588.0	6,175.9
Rate Matters
Commitments and Contingencies
Equity
Common Stock		0.1	0.1
Paid-in Capital		1,445.5	1,092.2
Retained Earnings		2,253.6	2,050.9
Accumulated Other Comprehensive Income (Loss)		5.5	6.7
TOTAL COMMON SHAREHOLDER'S EQUITY		3,704.7	3,149.9
Noncontrolling Interests		0.4	(0.1)
TOTAL EQUITY		3,705.1	3,149.8
TOTAL LIABILITIES AND EQUITY		$ 10,293.1	$ 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		$ 79.2	$ 49.9
Accounts Receivable:
Fuel		9.9	13.1
Materials and Supplies		7.2	12.0
Property, Plant and Equipment
Other Property, Plant and Equipment		219.9	219.9
Accumulated Depreciation and Amortization		$ 201.8	$ 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 $215 million and $200 million as of September 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 $963 million and $903 million as of September 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.