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Condensed Consolidated Balance Sheets - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
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Current Assets |  |  |  |
Cash and Cash Equivalents |  | $ 202.5 |  | $ 330.1
Restricted Cash |  | 45.4 |  | 48.9
Other Temporary Investments |  | 225.7 |  | 214.3
Accounts Receivable: |  |  |  |
Customers |  | 1,081.1 |  | 1,029.9
Accrued Unbilled Revenues |  | 308.6 |  | 179.5
Pledged Accounts Receivable - AEP Credit |  | 1,276.6 |  | 1,249.4
Miscellaneous |  | 47.1 |  | 48.7
Allowance for Uncollectible Accounts |  | (61.6) |  | (60.1)
Total Accounts Receivable |  | 2,651.8 |  | 2,447.4
Fuel |  | 741.3 |  | 853.7
Materials and Supplies |  | 1,021.7 |  | 1,025.8
Risk Management Assets |  | 322.7 |  | 217.5
Accrued Tax Benefits |  | 171.0 |  | 156.2
Assets Held for Sale |  | 353.2 |  | 0.0
Regulatory Asset for Under-Recovered Fuel Costs |  | 506.2 |  | 514.0
Prepayments and Other Current Assets |  | 411.3 |  | 274.2
TOTAL CURRENT ASSETS |  | 6,652.8 |  | 6,082.1
Property, Plant and Equipment |  |  |  |
Generation |  | 24,319.7 |  | 24,329.5
Transmission |  | 36,919.7 |  | 35,934.1
Distribution |  | 30,019.3 |  | 28,989.9
Other Property, Plant and Equipment |  | 6,796.6 |  | 6,484.9
Construction Work in Progress |  | 6,196.6 |  | 5,508.0
Total Property, Plant and Equipment |  | 104,251.9 |  | 101,246.4
Accumulated Depreciation and Amortization |  | 25,391.5 |  | 24,553.0
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 78,860.4 |  | 76,693.4
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 5,354.3 |  | 5,092.4
Securitized Assets |  | 283.2 |  | 336.3
Spent Nuclear Fuel and Decommissioning Trusts |  | 4,214.0 |  | 3,860.2
Goodwill |  | 52.5 |  | 52.5
Long-term Risk Management Assets |  | 255.4 |  | 321.2
Operating Lease Assets |  | 581.1 |  | 620.2
Deferred Charges and Other Noncurrent Assets |  | 3,368.9 |  | 3,625.7
TOTAL OTHER NONCURRENT ASSETS |  | 14,109.4 |  | 13,908.5
TOTAL ASSETS |  | 99,622.6 | [1] | 96,684.0
Current Liabilities |  |  |  |
Accounts Payable |  | 2,331.5 |  | 2,032.5
Short-term Debt: |  |  |  |
Securitized Debt for Receivables - AEP Credit | [2] | 900.0 |  | 888.0
Other Short-term Debt |  | 781.7 |  | 1,942.2
Total Short-term Debt |  | 1,681.7 |  | 2,830.2
Long-term Debt Due Within One Year |  | 2,071.9 |  | 2,490.5
Risk Management Liabilities |  | 155.0 |  | 229.6
Customer Deposits |  | 441.7 |  | 423.7
Accrued Taxes |  | 1,513.2 |  | 1,800.1
Accrued Interest |  | 458.0 |  | 410.2
Obligations Under Operating Leases |  | 99.1 |  | 115.7
Liabilities Held for Sale |  | 12.5 |  | 0.0
Other Current Liabilities |  | 1,398.1 |  | 1,251.1
TOTAL CURRENT LIABILITIES |  | 10,162.7 |  | 11,583.6
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 39,990.4 |  | 37,652.7
Deferred Income Tax Liabilities, Net |  | 9,786.4 |  | 9,415.7
Long-term Risk Management Liabilities |  | 261.4 |  | 241.8
Regulatory Liabilities and Deferred Investment Tax Credits |  | 8,185.9 |  | 8,182.4
Asset Retirement Obligations |  | 3,633.7 |  | 2,972.5
Employee Benefits and Pension Obligations |  | 226.5 |  | 241.7
Obligations Under Operating Leases |  | 496.9 |  | 519.4
Deferred Credits and Other Noncurrent Liabilities |  | 646.1 |  | 545.8
TOTAL NONCURRENT LIABILITIES |  | 63,227.3 |  | 59,772.0
TOTAL LIABILITIES |  | 73,390.0 |  | 71,355.6
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Contingently Reedemable Performance Share Awards |  | 56.9 |  | 42.5
Total Mezzanine Equity |  | 56.9 |  | 42.5
Equity |  |  |  |
Common Stock |  | 3,465.4 |  | 3,427.9
Paid-in Capital |  | 9,498.5 |  | 9,073.9
Retained Earnings |  | 13,211.3 |  | 12,800.4
Accumulated Other Comprehensive Income (Loss) |  | (40.0) |  | (55.5)
TOTAL COMMON SHAREHOLDER'S EQUITY |  | 26,135.2 |  | 25,246.7
Noncontrolling Interests |  | 40.5 |  | 39.2
TOTAL EQUITY |  | 26,175.7 |  | 25,285.9
TOTAL LIABILITIES AND EQUITY |  | $ 99,622.6 |  | $ 96,684.0
Common Stock, No Par Value |  | $ 6.50 |  | $ 6.50
Common Stock, Shares Authorized |  | 600,000,000 |  | 600,000,000
Common Stock, Shares, Issued |  | 533,144,747 |  | 527,369,157
Treasury Stock, Shares |  | 1,184,572 |  | 1,184,572
Commodity [Member] |  |  |  |
Equity |  |  |  |
Cross Default Provisions Maximum Third Party Obligation Amount |  | $ 50.0 |  |
Subsidiaries [Member] |  |  |  |
Current Assets |  |  |  |
Restricted Cash |  | 45.4 |  | $ 48.9
Other Temporary Investments |  | 208.5 |  | 205.0
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 194.0 |  | 207.2
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 575.9 |  | 556.3
AEP Texas Inc. [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 0.1 |  | 0.1
Restricted Cash |  | 29.4 |  | 34.0
Accounts Receivable: |  |  |  |
Customers |  | 223.4 |  | 176.5
Accrued Unbilled Revenues |  | 112.3 |  | 82.3
Miscellaneous |  | 1.9 |  | 0.8
Allowance for Uncollectible Accounts |  | (4.1) |  | (4.9)
Total Accounts Receivable |  | 351.6 |  | 278.5
Materials and Supplies |  | 185.4 |  | 190.4
Prepayments and Other Current Assets |  | 7.8 |  | 10.0
TOTAL CURRENT ASSETS |  | 832.5 |  | 520.1
Property, Plant and Equipment |  |  |  |
Transmission |  | 7,047.1 |  | 6,812.6
Distribution |  | 6,033.3 |  | 5,798.8
Other Property, Plant and Equipment |  | 1,157.3 |  | 1,145.9
Construction Work in Progress |  | 1,112.0 |  | 904.6
Total Property, Plant and Equipment |  | 15,349.7 |  | 14,661.9
Accumulated Depreciation and Amortization |  | 1,974.9 |  | 1,887.9
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 13,374.8 |  | 12,774.0
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 350.6 |  | 315.3
Securitized Assets |  | 163.3 |  | 202.9
Deferred Charges and Other Noncurrent Assets |  | 227.2 |  | 178.4
TOTAL OTHER NONCURRENT ASSETS |  | 741.1 |  | 696.6
TOTAL ASSETS |  | 14,948.4 |  | 13,990.7
Current Liabilities |  |  |  |
Accounts Payable |  | 290.5 |  | 192.3
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 63.6 |  | 96.0
Accrued Taxes |  | 140.6 |  | 99.1
Accrued Interest |  | 54.1 |  | 49.2
Obligations Under Operating Leases |  | 20.6 |  | 28.7
Other Current Liabilities |  | 217.8 |  | 152.7
TOTAL CURRENT LIABILITIES |  | 820.5 |  | 749.4
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 6,426.1 |  | 5,793.8
Deferred Income Tax Liabilities, Net |  | 1,274.9 |  | 1,227.8
Regulatory Liabilities and Deferred Investment Tax Credits |  | 1,279.7 |  | 1,261.4
Obligations Under Operating Leases |  | 48.2 |  | 50.9
Deferred Credits and Other Noncurrent Liabilities |  | 87.1 |  | 111.3
TOTAL NONCURRENT LIABILITIES |  | 9,116.0 |  | 8,445.2
TOTAL LIABILITIES |  | 9,936.5 |  | 9,194.6
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Paid-in Capital |  | 2,081.2 |  | 2,079.6
Retained Earnings |  | 2,933.2 |  | 2,725.1
Accumulated Other Comprehensive Income (Loss) |  | (2.5) |  | (8.6)
TOTAL EQUITY |  | 5,011.9 |  | 4,796.1
TOTAL LIABILITIES AND EQUITY |  | 14,948.4 |  | 13,990.7
AEP Texas Inc. [Member] | Related Party |  |  |  |
Current Assets |  |  |  |
Advances to Affiliates |  | 258.2 |  | 7.1
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | 18.1 |  | 23.8
Current Liabilities |  |  |  |
Advances from Affiliates |  | 0.0 |  | 103.7
Accounts Payable |  | 33.3 |  | 27.7
AEP Texas Inc. [Member] | AEP Texas Transition Funding and Restoration Funding [Member] |  |  |  |
Current Assets |  |  |  |
Restricted Cash |  | 29.4 |  | 34.0
Other Noncurrent Assets |  |  |  |
Securitized Assets |  | 163.3 |  | 202.9
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 63.6 |  | 95.9
Accrued Interest |  | 1.9 |  | 2.0
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 114.2 |  | 125.9
AEP Transmission Co [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 0.0 |  | 0.0
Accounts Receivable: |  |  |  |
Customers |  | 88.5 |  | 82.2
Total Accounts Receivable |  | 231.5 |  | 207.7
Prepayments and Other Current Assets |  | 14.3 |  | 4.0
TOTAL CURRENT ASSETS |  | 521.0 |  | 278.8
Property, Plant and Equipment |  |  |  |
Transmission |  | 14,103.9 |  | 13,723.9
Other Property, Plant and Equipment |  | 504.4 |  | 501.4
Construction Work in Progress |  | 1,914.5 |  | 1,563.7
Total Property, Plant and Equipment |  | 16,522.8 |  | 15,789.0
Accumulated Depreciation and Amortization |  | 1,436.8 |  | 1,291.3
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 15,086.0 |  | 14,497.7
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 1.6 |  | 3.1
Deferred Property Taxes |  | 170.2 |  | 286.4
Deferred Charges and Other Noncurrent Assets |  | 7.4 |  | 6.5
TOTAL OTHER NONCURRENT ASSETS |  | 179.2 |  | 296.0
TOTAL ASSETS |  | 15,786.2 |  | 15,072.5
Current Liabilities |  |  |  |
Accounts Payable |  | 326.2 |  | 274.7
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 185.0 |  | 95.0
Accrued Taxes |  | 504.0 |  | 568.6
Accrued Interest |  | 46.5 |  | 39.6
Obligations Under Operating Leases |  | 1.4 |  | 1.3
Other Current Liabilities |  | 33.9 |  | 24.7
TOTAL CURRENT LIABILITIES |  | 1,251.1 |  | 1,286.1
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 5,676.5 |  | 5,319.4
Deferred Income Tax Liabilities, Net |  | 1,204.8 |  | 1,147.7
Regulatory Liabilities and Deferred Investment Tax Credits |  | 832.5 |  | 783.7
Obligations Under Operating Leases |  | 1.2 |  | 1.4
Deferred Credits and Other Noncurrent Liabilities |  | 166.3 |  | 200.9
TOTAL NONCURRENT LIABILITIES |  | 7,881.3 |  | 7,453.1
TOTAL LIABILITIES |  | 9,132.4 |  | 8,739.2
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Paid-in Captial |  | 3,078.0 |  | 3,043.4
Retained Earnings |  | 3,575.8 |  | 3,289.9
TOTAL MEMBER'S EQUITY |  | 6,653.8 |  | 6,333.3
TOTAL LIABILITIES AND EQUITY |  | 15,786.2 |  | 15,072.5
AEP Transmission Co [Member] | Related Party |  |  |  |
Current Assets |  |  |  |
Advances to Affiliates |  | 275.2 |  | 67.1
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | 143.0 |  | 125.5
Current Liabilities |  |  |  |
Advances from Affiliates |  | 46.5 |  | 174.3
Accounts Payable |  | 107.6 |  | 107.9
Appalachian Power Co [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 4.0 |  | 5.0
Restricted Cash |  | 15.9 |  | 14.9
Accounts Receivable: |  |  |  |
Customers |  | 189.1 |  | 170.3
Accrued Unbilled Revenues |  | 71.2 |  | 70.8
Miscellaneous |  | 0.3 |  | 0.6
Allowance for Uncollectible Accounts |  | (2.0) |  | (2.0)
Total Accounts Receivable |  | 372.2 |  | 338.5
Fuel |  | 282.4 |  | 315.0
Materials and Supplies |  | 135.6 |  | 148.4
Risk Management Assets |  | 67.7 |  | 22.4
Regulatory Asset for Under-Recovered Fuel Costs |  | 150.3 |  | 155.4
Prepayments and Other Current Assets |  | 47.4 |  | 40.5
TOTAL CURRENT ASSETS |  | 1,118.0 |  | 1,059.0
Property, Plant and Equipment |  |  |  |
Generation |  | 7,192.8 |  | 7,041.3
Transmission |  | 4,860.2 |  | 4,711.8
Distribution |  | 5,324.3 |  | 5,176.6
Other Property, Plant and Equipment |  | 1,044.8 |  | 981.3
Construction Work in Progress |  | 703.5 |  | 709.2
Total Property, Plant and Equipment |  | 19,125.6 |  | 18,620.2
Accumulated Depreciation and Amortization |  | 5,872.0 |  | 5,688.7
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 13,253.6 |  | 12,931.5
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 1,324.9 |  | 1,155.1
Securitized Assets |  | 119.8 |  | 133.4
Employee Benefits and Pension Assets |  | 180.2 |  | 171.7
Operating Lease Assets |  | 68.9 |  | 73.7
Deferred Charges and Other Noncurrent Assets |  | 179.1 |  | 187.5
TOTAL OTHER NONCURRENT ASSETS |  | 1,872.9 |  | 1,721.4
TOTAL ASSETS |  | 16,244.5 |  | 15,711.9
Current Liabilities |  |  |  |
Accounts Payable |  | 374.5 |  | 280.4
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 682.7 |  | 538.8
Risk Management Liabilities |  | 9.0 |  | 15.9
Customer Deposits |  | 83.1 |  | 80.0
Accrued Taxes |  | 156.2 |  | 117.6
Accrued Interest |  | 63.7 |  | 58.9
Obligations Under Operating Leases |  | 13.5 |  | 14.6
Other Current Liabilities |  | 153.4 |  | 118.8
TOTAL CURRENT LIABILITIES |  | 1,674.0 |  | 1,685.9
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 4,989.3 |  | 5,049.5
Deferred Income Tax Liabilities, Net |  | 2,012.6 |  | 2,011.9
Regulatory Liabilities and Deferred Investment Tax Credits |  | 1,088.8 |  | 1,081.9
Asset Retirement Obligations |  | 749.7 |  | 442.5
Employee Benefits and Pension Obligations |  | 31.8 |  | 32.8
Obligations Under Operating Leases |  | 56.0 |  | 59.8
Deferred Credits and Other Noncurrent Liabilities |  | 62.3 |  | 70.9
TOTAL NONCURRENT LIABILITIES |  | 8,990.5 |  | 8,749.3
TOTAL LIABILITIES |  | 10,664.5 |  | 10,435.2
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Common Stock |  | 260.4 |  | 260.4
Paid-in Capital |  | 1,944.0 |  | 1,834.5
Retained Earnings |  | 3,380.3 |  | 3,185.5
Accumulated Other Comprehensive Income (Loss) |  | (4.7) |  | (3.7)
TOTAL EQUITY |  | 5,580.0 |  | 5,276.7
TOTAL LIABILITIES AND EQUITY |  | $ 16,244.5 |  | $ 15,711.9
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
Appalachian Power Co [Member] | Related Party |  |  |  |
Current Assets |  |  |  |
Advances to Affiliates |  | $ 42.5 |  | $ 18.9
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | 113.6 |  | 98.8
Current Liabilities |  |  |  |
Advances from Affiliates |  | 0.0 |  | 339.6
Accounts Payable |  | 137.9 |  | 121.3
Indiana Michigan Power Co [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 2.4 |  | 2.1
Accounts Receivable: |  |  |  |
Customers |  | 51.6 |  | 66.9
Accrued Unbilled Revenues |  | 6.5 |  | 0.2
Miscellaneous |  | 4.5 |  | 8.2
Total Accounts Receivable |  | 141.4 |  | 140.3
Fuel |  | 79.4 |  | 88.1
Materials and Supplies |  | 208.3 |  | 208.2
Risk Management Assets |  | 28.1 |  | 27.8
Regulatory Asset for Under-Recovered Fuel Costs |  | 5.7 |  | 14.8
Prepayments and Other Current Assets |  | 61.9 |  | 46.7
TOTAL CURRENT ASSETS |  | 527.2 |  | 528.0
Property, Plant and Equipment |  |  |  |
Generation |  | 5,669.7 |  | 5,646.8
Transmission |  | 1,924.3 |  | 1,906.4
Distribution |  | 3,402.9 |  | 3,254.0
Other Property, Plant and Equipment |  | 918.0 |  | 898.5
Construction Work in Progress |  | 339.2 |  | 301.7
Total Property, Plant and Equipment |  | 12,254.1 |  | 12,007.4
Accumulated Depreciation and Amortization |  | 4,522.8 |  | 4,378.4
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 7,731.3 |  | 7,629.0
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 589.6 |  | 406.3
Spent Nuclear Fuel and Decommissioning Trusts |  | 4,214.0 |  | 3,860.2
Operating Lease Assets |  | 48.1 |  | 53.8
Deferred Charges and Other Noncurrent Assets |  | 295.5 |  | 330.7
TOTAL OTHER NONCURRENT ASSETS |  | 5,147.2 |  | 4,651.0
TOTAL ASSETS |  | 13,405.7 |  | 12,808.0
Current Liabilities |  |  |  |
Accounts Payable |  | 235.9 |  | 225.8
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 291.3 |  | 83.7
Customer Deposits |  | 51.9 |  | 72.2
Accrued Taxes |  | 140.8 |  | 104.7
Accrued Interest |  | 41.2 |  | 41.3
Obligations Under Operating Leases |  | 13.1 |  | 16.8
Regulatory Liability for Over-Recovered Fuel Costs |  | 4.6 |  | 23.2
Other Current Liabilities |  | 106.9 |  | 91.9
TOTAL CURRENT LIABILITIES |  | 1,036.3 |  | 830.2
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 3,249.0 |  | 3,415.7
Deferred Income Tax Liabilities, Net |  | 1,212.9 |  | 1,169.9
Regulatory Liabilities and Deferred Investment Tax Credits |  | 2,336.5 |  | 2,052.3
Asset Retirement Obligations |  | 2,223.1 |  | 2,104.3
Obligations Under Operating Leases |  | 35.8 |  | 37.7
Deferred Credits and Other Noncurrent Liabilities |  | 61.6 |  | 57.7
TOTAL NONCURRENT LIABILITIES |  | 9,118.9 |  | 8,837.6
TOTAL LIABILITIES |  | 10,155.2 |  | 9,667.8
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Common Stock |  | 56.6 |  | 56.6
Paid-in Capital |  | 1,002.6 |  | 997.6
Retained Earnings |  | 2,191.8 |  | 2,086.6
Accumulated Other Comprehensive Income (Loss) |  | (0.5) |  | (0.6)
TOTAL EQUITY |  | 3,250.5 |  | 3,140.2
TOTAL LIABILITIES AND EQUITY |  | $ 13,405.7 |  | $ 12,808.0
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] | Related Party |  |  |  |
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | $ 78.8 |  | $ 65.0
Current Liabilities |  |  |  |
Advances from Affiliates |  | 52.6 |  | 63.3
Accounts Payable |  | 98.0 |  | 107.3
Indiana Michigan Power Co [Member] | DCC Fuel [Member] |  |  |  |
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 99.9 |  | 81.4
Ohio Power Co [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 6.3 |  | 6.4
Accounts Receivable: |  |  |  |
Customers |  | 102.2 |  | 39.2
Miscellaneous |  | 10.0 |  | 2.3
Total Accounts Receivable |  | 253.6 |  | 170.7
Materials and Supplies |  | 174.2 |  | 183.9
Prepayments and Other Current Assets |  | 20.2 |  | 16.8
TOTAL CURRENT ASSETS |  | 504.2 |  | 377.8
Property, Plant and Equipment |  |  |  |
Transmission |  | 3,496.5 |  | 3,395.1
Distribution |  | 7,063.0 |  | 6,839.4
Other Property, Plant and Equipment |  | 1,196.9 |  | 1,125.0
Construction Work in Progress |  | 668.3 |  | 654.0
Total Property, Plant and Equipment |  | 12,424.7 |  | 12,013.5
Accumulated Depreciation and Amortization |  | 2,814.3 |  | 2,713.6
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 9,610.4 |  | 9,299.9
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 411.2 |  | 455.0
Operating Lease Assets |  | 64.5 |  | 69.9
Deferred Charges and Other Noncurrent Assets |  | 442.5 |  | 641.1
TOTAL OTHER NONCURRENT ASSETS |  | 918.2 |  | 1,166.0
TOTAL ASSETS |  | 11,032.8 |  | 10,843.7
Current Liabilities |  |  |  |
Accounts Payable |  | 288.4 |  | 320.7
Short-term Debt: |  |  |  |
Risk Management Liabilities |  | 6.0 |  | 6.8
Customer Deposits |  | 101.0 |  | 62.0
Accrued Taxes |  | 556.2 |  | 763.3
Obligations Under Operating Leases |  | 12.7 |  | 13.5
Other Current Liabilities |  | 195.8 |  | 183.3
TOTAL CURRENT LIABILITIES |  | 1,321.5 |  | 1,614.3
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 3,714.3 |  | 3,366.8
Deferred Income Tax Liabilities, Net |  | 1,158.9 |  | 1,152.7
Long-term Risk Management Liabilities |  | 37.2 |  | 43.9
Regulatory Liabilities and Deferred Investment Tax Credits |  | 1,004.5 |  | 1,003.6
Obligations Under Operating Leases |  | 52.1 |  | 56.7
Deferred Credits and Other Noncurrent Liabilities |  | 84.0 |  | 34.4
TOTAL NONCURRENT LIABILITIES |  | 6,051.0 |  | 5,658.1
TOTAL LIABILITIES |  | 7,372.5 |  | 7,272.4
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Common Stock |  | 321.2 |  | 321.2
Paid-in Capital |  | 1,012.8 |  | 1,012.8
Retained Earnings |  | 2,326.3 |  | 2,237.3
TOTAL EQUITY |  | 3,660.3 |  | 3,571.3
TOTAL LIABILITIES AND EQUITY |  | $ 11,032.8 |  | $ 10,843.7
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
Ohio Power Co [Member] | Related Party |  |  |  |
Current Assets |  |  |  |
Advances to Affiliates |  | $ 49.9 |  | $ 0.0
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | 141.4 |  | 129.2
Current Liabilities |  |  |  |
Advances from Affiliates |  | 0.0 |  | 110.5
Accounts Payable |  | 161.4 |  | 154.2
Public Service Co Of Oklahoma [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 2.5 |  | 2.5
Accounts Receivable: |  |  |  |
Customers |  | 79.5 |  | 107.6
Miscellaneous |  | 0.4 |  | 0.8
Total Accounts Receivable |  | 160.8 |  | 139.4
Fuel |  | 31.6 |  | 33.7
Materials and Supplies |  | 112.7 |  | 106.9
Risk Management Assets |  | 49.4 |  | 19.0
Accrued Tax Benefits |  | 72.8 |  | 31.0
Regulatory Asset for Under-Recovered Fuel Costs |  | 132.1 |  | 118.3
Prepayments and Other Current Assets |  | 50.1 |  | 18.7
TOTAL CURRENT ASSETS |  | 612.0 |  | 469.5
Property, Plant and Equipment |  |  |  |
Generation |  | 2,747.3 |  | 2,695.5
Transmission |  | 1,260.2 |  | 1,228.3
Distribution |  | 3,568.4 |  | 3,450.8
Other Property, Plant and Equipment |  | 518.6 |  | 505.9
Construction Work in Progress |  | 352.9 |  | 313.7
Total Property, Plant and Equipment |  | 8,447.4 |  | 8,194.2
Accumulated Depreciation and Amortization |  | 2,153.1 |  | 2,081.9
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 6,294.3 |  | 6,112.3
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 532.0 |  | 522.7
Employee Benefits and Pension Assets |  | 70.7 |  | 68.4
Operating Lease Assets |  | 109.2 |  | 112.8
Deferred Charges and Other Noncurrent Assets |  | 75.0 |  | 49.2
TOTAL OTHER NONCURRENT ASSETS |  | 786.9 |  | 753.1
TOTAL ASSETS |  | 7,693.2 |  | 7,334.9
Current Liabilities |  |  |  |
Accounts Payable |  | 211.1 |  | 159.3
Short-term Debt: |  |  |  |
Long-term Debt Due Within One Year |  | 125.6 |  | 0.6
Risk Management Liabilities |  | 19.1 |  | 28.9
Customer Deposits |  | 62.3 |  | 81.4
Accrued Taxes |  | 64.6 |  | 30.7
Accrued Interest |  | 31.5 |  | 30.7
Obligations Under Operating Leases |  | 10.2 |  | 10.1
Other Current Liabilities |  | 67.3 |  | 106.2
TOTAL CURRENT LIABILITIES |  | 967.0 |  | 559.0
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 2,259.6 |  | 2,384.0
Deferred Income Tax Liabilities, Net |  | 908.7 |  | 831.2
Regulatory Liabilities and Deferred Investment Tax Credits |  | 695.7 |  | 765.6
Asset Retirement Obligations |  | 118.7 |  | 83.9
Obligations Under Operating Leases |  | 104.1 |  | 106.8
Deferred Credits and Other Noncurrent Liabilities |  | 30.3 |  | 33.8
TOTAL NONCURRENT LIABILITIES |  | 4,117.1 |  | 4,205.3
TOTAL LIABILITIES |  | 5,084.1 |  | 4,764.3
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Common Stock |  | 157.2 |  | 157.2
Paid-in Capital |  | 1,039.5 |  | 1,039.3
Retained Earnings |  | 1,412.6 |  | 1,374.3
Accumulated Other Comprehensive Income (Loss) |  | (0.2) |  | (0.2)
TOTAL EQUITY |  | 2,609.1 |  | 2,570.6
TOTAL LIABILITIES AND EQUITY |  | $ 7,693.2 |  | $ 7,334.9
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
Public Service Co Of Oklahoma [Member] | Related Party |  |  |  |
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | $ 80.9 |  | $ 31.0
Current Liabilities |  |  |  |
Advances from Affiliates |  | 261.8 |  | 54.4
Accounts Payable |  | 113.5 |  | 56.7
Southwestern Electric Power Co [Member] |  |  |  |
Current Assets |  |  |  |
Cash and Cash Equivalents |  | 2.4 |  | 2.4
Accounts Receivable: |  |  |  |
Customers |  | 42.7 |  | 39.0
Miscellaneous |  | 9.4 |  | 8.3
Total Accounts Receivable |  | 137.5 |  | 94.5
Fuel |  | 87.7 |  | 113.8
Materials and Supplies |  | 87.5 |  | 88.4
Risk Management Assets |  | 38.2 |  | 11.6
Accrued Tax Benefits |  | 65.2 |  | 28.4
Regulatory Asset for Under-Recovered Fuel Costs |  | 132.9 |  | 170.8
Prepayments and Other Current Assets |  | 51.4 |  | 29.2
TOTAL CURRENT ASSETS |  | 605.6 |  | 541.3
Property, Plant and Equipment |  |  |  |
Generation |  | 4,818.9 |  | 4,790.7
Transmission |  | 2,739.3 |  | 2,660.6
Distribution |  | 2,938.6 |  | 2,824.1
Other Property, Plant and Equipment |  | 935.9 |  | 814.4
Construction Work in Progress |  | 559.6 |  | 555.8
Total Property, Plant and Equipment |  | 11,992.3 |  | 11,645.6
Accumulated Depreciation and Amortization |  | 3,194.4 |  | 3,087.2
TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |  | 8,797.9 |  | 8,558.4
Other Noncurrent Assets |  |  |  |
Regulatory Assets |  | 1,124.5 |  | 1,131.8
Deferred Charges and Other Noncurrent Assets |  | 364.0 |  | 326.1
TOTAL OTHER NONCURRENT ASSETS |  | 1,488.5 |  | 1,457.9
TOTAL ASSETS |  | 10,892.0 |  | 10,557.6
Current Liabilities |  |  |  |
Accounts Payable |  | 234.4 |  | 198.9
Short-term Debt: |  |  |  |
Other Short-term Debt |  | 5.7 |  | 4.3
Customer Deposits |  | 75.1 |  | 72.5
Accrued Taxes |  | 115.2 |  | 58.7
Accrued Interest |  | 39.3 |  | 39.9
Obligations Under Operating Leases |  | 8.8 |  | 9.0
Other Current Liabilities |  | 192.0 |  | 169.0
TOTAL CURRENT LIABILITIES |  | 1,050.7 |  | 686.9
Noncurrent Liabilities |  |  |  |
Long-term Debt |  | 3,648.3 |  | 3,646.9
Deferred Income Tax Liabilities, Net |  | 1,235.2 |  | 1,179.3
Regulatory Liabilities and Deferred Investment Tax Credits |  | 576.5 |  | 756.1
Asset Retirement Obligations |  | 249.0 |  | 258.6
Employee Benefits and Pension Obligations |  | 44.3 |  | 43.1
Obligations Under Operating Leases |  | 120.6 |  | 122.5
Deferred Credits and Other Noncurrent Liabilities |  | 209.1 |  | 93.8
TOTAL NONCURRENT LIABILITIES |  | 6,083.0 |  | 6,100.3
TOTAL LIABILITIES |  | 7,133.7 |  | 6,787.2
Rate Matters |  |  |  |
Commitments and Contingencies |  |  |  |
Equity |  |  |  |
Common Stock |  | 0.1 |  | 0.1
Paid-in Capital |  | 1,492.2 |  | 1,492.2
Retained Earnings |  | 2,269.3 |  | 2,281.3
Accumulated Other Comprehensive Income (Loss) |  | (3.6) |  | (3.4)
TOTAL COMMON SHAREHOLDER'S EQUITY |  | 3,758.0 |  | 3,770.2
Noncontrolling Interests |  | 0.3 |  | 0.2
TOTAL EQUITY |  | 3,758.3 |  | 3,770.4
TOTAL LIABILITIES AND EQUITY |  | $ 10,892.0 |  | $ 10,557.6
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] | Related Party |  |  |  |
Current Assets |  |  |  |
Advances to Affiliates |  | $ 2.8 |  | $ 2.2
Accounts Receivable: |  |  |  |
Affiliated Companies - Contracts with Customers |  | 85.4 |  | 47.2
Current Liabilities |  |  |  |
Advances from Affiliates |  | 285.4 |  | 88.7
Accounts Payable |  | 94.8 |  | 45.9
Southwestern Electric Power Co [Member] | Sabine Mining Co [Member] |  |  |  |
Accounts Receivable: |  |  |  |
Materials and Supplies |  | 2.9 |  | 3.9
Property, Plant and Equipment |  |  |  |
Other Property, Plant and Equipment |  | 179.8 |  | 182.7
Accumulated Depreciation and Amortization |  | $ 179.8 |  | $ 182.7
[1] | Amount includes Assets Held for Sale on the balance sheet. See “Planned Disposition of AEP OnSite Partners” section of Note 6 for additional information.
[2] | Amount of securitized debt for receivables as accounted for under the “Transfers and Servicing” accounting guidance.

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