Acquisitions, Dispositions and Impairments (Details)
|
1 Months Ended |
3 Months Ended |
12 Months Ended |
|
Jun. 30, 2020
USD ($)
|
Dec. 31, 2022
USD ($)
|
Sep. 30, 2022
USD ($)
|
Jun. 30, 2022
USD ($)
|
Mar. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
Sep. 30, 2021
USD ($)
|
Jun. 30, 2021
USD ($)
|
Mar. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
Sep. 30, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
Sep. 30, 2019
USD ($)
MW
|
Jun. 30, 2019
USD ($)
Rate
MW
|
Sep. 30, 2018
USD ($)
|
Mar. 31, 2018
USD ($)
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
|
Nov. 30, 2020 |
Noncash Contribution of Assets by Noncontrolling Interest |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0
|
$ 0
|
$ 84,000,000.0
|
|
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
32,400,000
|
0
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
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Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
156,400,000
|
70,600,000
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,572,400,000
|
2,743,700,000
|
2,979,200,000
|
|
Redeemable Noncontrolling Interest |
|
|
|
|
|
|
|
|
|
|
$ 0
|
|
$ 65,700,000
|
|
|
|
|
|
|
0
|
65,700,000
|
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
$ 6,588,900,000
|
|
6,535,600,000
|
|
|
|
|
|
|
6,588,900,000
|
6,535,600,000
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[1],[2],[3],[4] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
$ 188,000,000.0
|
118,100,000
|
|
|
Vertically Integrated Utilities [Member] |
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|
|
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|
|
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|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
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|
|
|
|
|
|
|
|
|
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|
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|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
92,900,000
|
3,400,000
|
|
Generation and Marketing [Member] |
|
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|
|
|
|
|
|
|
|
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|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
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|
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|
|
|
|
|
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|
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|
|
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Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
31,000,000.0
|
47,700,000
|
|
Transmission and Distribution Companies [Member] |
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|
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|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32,500,000
|
0
|
|
AEP Texas Inc. [Member] |
|
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|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
Jointly Owned Utility Plant, Proportionate Ownership Share |
|
|
|
|
|
|
|
|
|
|
54.69%
|
|
|
|
|
|
|
|
|
54.69%
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0
|
32,500,000
|
0
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
488,900,000
|
492,000,000.0
|
488,900,000
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
$ 1,457,900,000
|
|
1,457,900,000
|
|
|
|
|
|
|
1,457,900,000
|
1,457,900,000
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[2],[3] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8,500,000
|
200,000
|
|
|
AEP Transmission Co [Member] |
|
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Asset Impairment Charges |
|
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|
|
|
|
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|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
99,800,000
|
93,900,000
|
83,800,000
|
|
Appalachian Power Co [Member] |
|
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|
|
|
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|
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|
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|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
92,900,000
|
0
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
530,500,000
|
567,600,000
|
511,600,000
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
1,828,700,000
|
|
1,828,700,000
|
|
|
|
|
|
|
1,828,700,000
|
1,828,700,000
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[2],[3] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7,800,000
|
17,600,000
|
|
|
Indiana Michigan Power Co [Member] |
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|
Cost of Purchased Power from Affiliate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
172,800,000
|
214,900,000
|
237,900,000
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
650,000,000.0
|
641,200,000
|
585,400,000
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
980,900,000
|
|
980,900,000
|
|
|
|
|
|
|
980,900,000
|
980,900,000
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[2],[3],[4] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
200,000
|
200,000
|
|
|
Ohio Power Co [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
Cost of Purchased Power from Affiliate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
119,700,000
|
156,000,000.0
|
135,300,000
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
822,600,000
|
742,600,000
|
771,300,000
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
838,800,000
|
|
838,800,000
|
|
|
|
|
|
|
838,800,000
|
838,800,000
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[2] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
300,000
|
|
|
Public Service Co Of Oklahoma [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
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|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
327,300,000
|
315,000,000.0
|
372,800,000
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
414,000,000.0
|
|
364,000,000.0
|
|
|
|
|
|
|
414,000,000.0
|
364,000,000.0
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[2],[3] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3,100,000
|
400,000
|
|
|
Southwestern Electric Power Co [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
338,300,000
|
348,000,000.0
|
$ 384,200,000
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
812,200,000
|
|
676,600,000
|
|
|
|
|
|
|
812,200,000
|
676,600,000
|
|
|
Asset Retirement Obligation, Liabilities Settled |
[1],[2],[3] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10,900,000
|
11,800,000
|
|
|
Conesville Generating Station (Unit No. 4) [Member] | Generation and Marketing [Member] |
|
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|
|
|
|
|
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|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Fair Value of Impaired Assets |
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
$ 0
|
|
|
Utilities Operating Expense, Operations |
|
|
|
|
|
|
|
|
|
|
|
|
$ 31,000,000
|
|
|
|
|
|
|
|
|
|
|
Payments for (Proceeds from) Removal Costs |
|
$ 26,000,000
|
|
|
|
|
|
|
|
|
10,000,000
|
$ 98,000,000
|
|
|
|
|
|
|
|
|
|
|
|
Asset Retirement Obligation, Liabilities Settled |
|
|
|
|
|
|
|
|
|
|
|
106,000,000
|
|
|
|
|
|
|
|
|
|
|
|
Conesville Generating Station (Unit No. 4) [Member] | Generation and Marketing [Member] | Forecast [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Payments for (Proceeds from) Removal Costs |
|
|
$ 0
|
$ 5,200,000
|
$ 9,600,000
|
$ 9,600,000
|
$ 9,600,000
|
$ 9,600,000
|
$ 9,600,000
|
$ 9,600,000
|
|
|
|
|
|
|
|
$ 24,400,000
|
$ 38,400,000
|
|
|
|
|
Racine Hydroelectric Plant [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 35,000,000
|
|
|
|
|
|
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Fair Value of Impaired Assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0
|
|
|
|
|
|
|
|
Trent and Desert Sky Wind Farms [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Payments to Acquire Businesses, Gross |
|
|
|
|
|
|
|
|
|
|
|
$ 57,000,000
|
|
|
|
|
|
|
|
|
|
|
|
Redeemable Noncontrolling Interest |
|
|
|
|
|
|
|
|
|
|
63,000,000
|
|
|
|
|
|
|
|
|
63,000,000
|
|
|
|
Additional Paid in Capital |
|
|
|
|
|
|
|
|
|
|
$ 6,000,000
|
|
|
|
|
|
|
|
|
$ 6,000,000
|
|
|
|
Other Assets [Member] | Corporate and Other [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 21,000,000
|
|
|
|
|
|
|
Oklaunion Generating Station (Unit No. 1) [Member] | AEP Texas Inc. [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Jointly Owned Utility Plant, Proportionate Ownership Share |
|
|
|
|
|
|
|
|
|
|
54.70%
|
|
|
|
|
|
|
|
|
54.70%
|
|
|
|
Oklaunion Generating Station (Unit No. 1) [Member] | Public Service Co Of Oklahoma [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Jointly Owned Utility Plant, Proportionate Ownership Share |
|
|
|
|
|
|
|
|
|
|
15.60%
|
|
|
|
|
|
|
|
|
15.60%
|
|
|
|
Oklaunion Generating Station (Unit No. 1) [Member] | Coal [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Jointly Owned Utility Plant, Proportionate Ownership Share |
[5],[6] |
|
|
|
|
|
|
|
|
|
70.30%
|
|
70.30%
|
|
|
|
|
|
|
70.30%
|
70.30%
|
|
|
Oklaunion Generating Station (Unit No. 1) [Member] | Coal [Member] | AEP Texas Inc. [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Jointly Owned Utility Plant, Proportionate Ownership Share |
[5],[6] |
|
|
|
|
|
|
|
|
|
54.70%
|
|
54.70%
|
|
|
|
|
|
|
54.70%
|
54.70%
|
|
|
Oklaunion Generating Station (Unit No. 1) [Member] | Coal [Member] | Public Service Co Of Oklahoma [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Jointly Owned Utility Plant, Proportionate Ownership Share |
[5],[6] |
|
|
|
|
|
|
|
|
|
15.60%
|
|
15.60%
|
|
|
|
|
|
|
15.60%
|
15.60%
|
|
|
AEP Wind Holdings LLC [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 134,800,000
|
|
|
WindGenerationMWs | MW |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
724
|
|
|
|
|
|
|
|
|
AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Percentage of an Asset Acquired | Rate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
50.00%
|
|
|
|
|
|
|
|
|
WindGenerationMWs | MW |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
724
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Value of Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 1,100,000,000
|
|
|
|
|
|
|
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Debt Assumed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
364,000,000
|
|
|
|
|
|
|
|
|
Payments to Acquire Businesses, Gross |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
580,400,000
|
|
|
|
|
|
|
|
|
Maximum Potential Amount of Future Payments Associated with Guarantee |
|
|
|
|
|
|
|
|
|
|
$ 157,000,000
|
|
|
|
|
|
|
|
|
$ 157,000,000
|
|
|
|
Guarantor Obligations, Current Carrying Value |
|
|
|
|
|
|
|
|
|
|
31,000,000
|
|
|
|
|
|
|
|
|
31,000,000
|
|
|
|
Guarantor Obligations, Current Carrying Value, Contingent Portion |
|
|
|
|
|
|
|
|
|
|
1,000,000
|
|
|
|
|
|
|
|
|
1,000,000
|
|
|
|
AEP Wind Holdings LLC [Member] | Indiana Michigan Power Co [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cost of Purchased Power from Affiliate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11,000,000
|
9,000,000
|
|
|
AEP Wind Holdings LLC [Member] | Ohio Power Co [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cost of Purchased Power from Affiliate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23,000,000
|
17,000,000
|
|
|
AEP Wind Holdings LLC [Member] | Southwestern Electric Power Co [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Cost of Purchased Power from Affiliate |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14,000,000
|
10,000,000
|
|
|
Santa Rita East [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ (43,700,000)
|
$ 118,800,000
|
|
|
Santa Rita East [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash Contribution of Assets by Noncontrolling Interest |
|
|
|
|
|
|
|
|
|
|
$ 44,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|
Percentage of an Asset Acquired |
|
|
|
|
|
|
|
|
|
|
85.00%
|
|
|
75.00%
|
|
|
|
|
|
85.00%
|
|
|
10.00%
|
WindGenerationMWs | MW |
|
|
|
|
|
|
|
|
|
|
|
|
|
227
|
|
|
|
|
|
|
|
|
|
Asset Impairment Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Payments to Acquire Businesses, Gross |
|
|
|
|
|
|
|
|
|
|
$ 44,000,000
|
|
|
$ 356,000,000
|
|
|
|
|
|
|
|
|
|
Current Liabilities [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12,900,000
|
|
|
|
|
|
|
|
|
Current Assets [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8,800,000
|
|
|
|
|
|
|
|
|
Property, Plant and Equipment [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
238,100,000
|
|
|
|
|
|
|
|
|
Asset Retirement Obligation [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5,700,000
|
|
|
|
|
|
|
|
|
Equity Method Investments [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
404,000,000.0
|
|
|
|
|
|
|
|
|
Liabilities, Total [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18,600,000
|
|
|
|
|
|
|
|
|
Other Noncurrent Assets [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
82,900,000
|
|
|
|
|
|
|
|
|
Noncontrolling Interest [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash Contribution of Assets by Noncontrolling Interest |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
134,800,000
|
|
|
|
|
|
|
|
|
Total Assets [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Other Assets Acquired |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
733,800,000
|
|
|
|
|
|
|
|
|
Total Liabilities And Equity [Member] | AEP Wind Holdings LLC [Member] | Generation and Marketing [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 153,400,000
|
|
|
|
|
|
|
|
|
2019 Texas Base Rate Case [Member] | AEP Texas Inc. [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 33,000,000
|
|
|
|
2019 Texas Base Rate Case [Member] | AEP Texas Inc. [Member] | Transmission and Distribution Companies [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
$ 33,000,000
|
|
|
|
|
|
|
|
|
|
|
2017-2019 Virginia Triennial Review [Member] | Appalachian Power Co [Member] | Plant Retirement Costs - Unrecovered Plant [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 93,000,000
|
|
|
|
2017-2019 Virginia Triennial Review [Member] | Appalachian Power Co [Member] | Vertically Integrated Utilities [Member] | Plant Retirement Costs - Unrecovered Plant [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Disposal Group, Including Discontinued Operation, Income Statement Disclosures |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Asset Impairments and Other Related Charges |
|
|
|
|
|
|
|
|
|
|
|
|
$ 93,000,000
|
|
|
|
|
|
|
|
|
|
|
|
|