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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
661.2
monetaryItemType
table: <entity> 661.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant (d) | 661.2 | 664.2 | 22 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
664.2
monetaryItemType
table: <entity> 664.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant (d) | 661.2 | 664.2 | 22 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
283.8
monetaryItemType
table: <entity> 283.8 </entity> <entity type> monetaryItemType </entity type> <context> Long-term Under-recovered Fuel Costs - West Virginia | 283.8 | 291.5 | 10 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
291.5
monetaryItemType
table: <entity> 291.5 </entity> <entity type> monetaryItemType </entity type> <context> Long-term Under-recovered Fuel Costs - West Virginia | 283.8 | 291.5 | 10 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
111.0
monetaryItemType
table: <entity> 111.0 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 111.0 | 110.8 | 16 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
110.8
monetaryItemType
table: <entity> 110.8 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 111.0 | 110.8 | 16 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
106.7
monetaryItemType
table: <entity> 106.7 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 106.7 | 170.9 | 7 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
170.9
monetaryItemType
table: <entity> 170.9 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 106.7 | 170.9 | 7 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
70.6
monetaryItemType
table: <entity> 70.6 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Mine Closure Costs - Texas | 70.6 | 74.3 | 11 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
74.3
monetaryItemType
table: <entity> 74.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel Mine Closure Costs - Texas | 70.6 | 74.3 | 11 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
66.4
monetaryItemType
table: <entity> 66.4 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation - Louisiana | 66.4 | 65.8 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
65.8
monetaryItemType
table: <entity> 65.8 </entity> <entity type> monetaryItemType </entity type> <context> Pirkey Plant Accelerated Depreciation - Louisiana | 66.4 | 65.8 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
62.8
monetaryItemType
table: <entity> 62.8 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 62.8 | 99.3 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
99.3
monetaryItemType
table: <entity> 99.3 </entity> <entity type> monetaryItemType </entity type> <context> Unrecovered Winter Storm Fuel Costs (a) | 62.8 | 99.3 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
45.0
monetaryItemType
table: <entity> 45.0 </entity> <entity type> monetaryItemType </entity type> <context> Kentucky Deferred Purchased Power Expenses | 45.0 | 43.5 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
43.5
monetaryItemType
table: <entity> 43.5 </entity> <entity type> monetaryItemType </entity type> <context> Kentucky Deferred Purchased Power Expenses | 45.0 | 43.5 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
37.3
monetaryItemType
table: <entity> 37.3 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction | 37.3 | 46.9 | 4 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
46.9
monetaryItemType
table: <entity> 46.9 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant Dry Sorbent Injection System and Selective Catalytic Reduction | 37.3 | 46.9 | 4 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
32.6
monetaryItemType
table: <entity> 32.6 </entity> <entity type> monetaryItemType </entity type> <context> Texas Mobile Temporary Emergency Electric Energy Facilities Rider | 32.6 | 33.4 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
33.4
monetaryItemType
table: <entity> 33.4 </entity> <entity type> monetaryItemType </entity type> <context> Texas Mobile Temporary Emergency Electric Energy Facilities Rider | 32.6 | 33.4 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
29.1
monetaryItemType
table: <entity> 29.1 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Control Projects | 29.1 | 31.4 | 16 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
31.4
monetaryItemType
table: <entity> 31.4 </entity> <entity type> monetaryItemType </entity type> <context> Environmental Control Projects | 29.1 | 31.4 | 16 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
26.1
monetaryItemType
table: <entity> 26.1 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Basic Transmission Cost Rider | 26.1 | 42.2 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
42.2
monetaryItemType
table: <entity> 42.2 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Basic Transmission Cost Rider | 26.1 | 42.2 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
19.0
monetaryItemType
table: <entity> 19.0 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana | 19.0 | 40.8 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
40.8
monetaryItemType
table: <entity> 40.8 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Dolet Hills Power Station, Louisiana | 19.0 | 40.8 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
107.0
monetaryItemType
table: <entity> 107.0 </entity> <entity type> monetaryItemType </entity type> <context> Long-term Under-recovered Fuel Costs - Virginia | β€” | 107.0 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
159.9
monetaryItemType
table: <entity> 159.9 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 159.9 | 124.9 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
124.9
monetaryItemType
table: <entity> 124.9 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 159.9 | 124.9 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
1711.5
monetaryItemType
table: <entity> 1711.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 1,711.5 | 1,946.9 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
1946.9
monetaryItemType
table: <entity> 1946.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Earning a Return | 1,711.5 | 1,946.9 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
974.2
monetaryItemType
table: <entity> 974.2 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 974.2 | 1,054.1 | 12 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
1054.1
monetaryItemType
table: <entity> 1054.1 </entity> <entity type> monetaryItemType </entity type> <context> Pension and OPEB Funded Status | 974.2 | 1,054.1 | 12 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
360.1
monetaryItemType
table: <entity> 360.1 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 360.1 | 330.2 | 18 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
330.2
monetaryItemType
table: <entity> 330.2 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Asset Retirement Obligation Costs | 360.1 | 330.2 | 18 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
90.9
monetaryItemType
table: <entity> 90.9 </entity> <entity type> monetaryItemType </entity type> <context> Unamortized Loss on Reacquired Debt | 90.9 | 97.2 | 24 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
97.2
monetaryItemType
table: <entity> 97.2 </entity> <entity type> monetaryItemType </entity type> <context> Unamortized Loss on Reacquired Debt | 90.9 | 97.2 | 24 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
66.5
monetaryItemType
table: <entity> 66.5 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 66.5 | 38.5 | 7 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
38.5
monetaryItemType
table: <entity> 38.5 </entity> <entity type> monetaryItemType </entity type> <context> Storm-Related Costs | 66.5 | 38.5 | 7 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
57.4
monetaryItemType
table: <entity> 57.4 </entity> <entity type> monetaryItemType </entity type> <context> Fuel and Purchased Power Adjustment Rider | 57.4 | 68.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
68.3
monetaryItemType
table: <entity> 68.3 </entity> <entity type> monetaryItemType </entity type> <context> Fuel and Purchased Power Adjustment Rider | 57.4 | 68.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
53.3
monetaryItemType
table: <entity> 53.3 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 53.3 | 131.4 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
131.4
monetaryItemType
table: <entity> 131.4 </entity> <entity type> monetaryItemType </entity type> <context> Unrealized Loss on Forward Commitments | 53.3 | 131.4 | 8 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
52.0
monetaryItemType
table: <entity> 52.0 </entity> <entity type> monetaryItemType </entity type> <context> OVEC Purchased Power | 52.0 | 50.1 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
50.1
monetaryItemType
table: <entity> 50.1 </entity> <entity type> monetaryItemType </entity type> <context> OVEC Purchased Power | 52.0 | 50.1 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
44.5
monetaryItemType
table: <entity> 44.5 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Texas | 44.5 | 48.7 | 22 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
48.7
monetaryItemType
table: <entity> 48.7 </entity> <entity type> monetaryItemType </entity type> <context> Plant Retirement Costs - Unrecovered Plant, Texas | 44.5 | 48.7 | 22 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
43.0
monetaryItemType
table: <entity> 43.0 </entity> <entity type> monetaryItemType </entity type> <context> Cook Plant Nuclear Refueling Outage Levelization | 43.0 | 55.7 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
55.7
monetaryItemType
table: <entity> 55.7 </entity> <entity type> monetaryItemType </entity type> <context> Cook Plant Nuclear Refueling Outage Levelization | 43.0 | 55.7 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
33.8
monetaryItemType
table: <entity> 33.8 </entity> <entity type> monetaryItemType </entity type> <context> Smart Grid Costs | 33.8 | 26.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
26.3
monetaryItemType
table: <entity> 26.3 </entity> <entity type> monetaryItemType </entity type> <context> Smart Grid Costs | 33.8 | 26.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
27.9
monetaryItemType
table: <entity> 27.9 </entity> <entity type> monetaryItemType </entity type> <context> Postemployment Benefits | 27.9 | 30.6 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
30.6
monetaryItemType
table: <entity> 30.6 </entity> <entity type> monetaryItemType </entity type> <context> Postemployment Benefits | 27.9 | 30.6 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
26.2
monetaryItemType
table: <entity> 26.2 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Enhanced Service Reliability Plan | 26.2 | 35.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
35.3
monetaryItemType
table: <entity> 35.3 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Enhanced Service Reliability Plan | 26.2 | 35.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
26.0
monetaryItemType
table: <entity> 26.0 </entity> <entity type> monetaryItemType </entity type> <context> 2020-2022 Virginia Triennial Under Earnings | 26.0 | 37.4 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
37.4
monetaryItemType
table: <entity> 37.4 </entity> <entity type> monetaryItemType </entity type> <context> 2020-2022 Virginia Triennial Under Earnings | 26.0 | 37.4 | 3 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
11.0
monetaryItemType
table: <entity> 11.0 </entity> <entity type> monetaryItemType </entity type> <context> Ohio Distribution Investment Rider | 11.0 | 35.3 | 2 years </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
240.1
monetaryItemType
table: <entity> 240.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 240.1 | 269.1 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
269.1
monetaryItemType
table: <entity> 269.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Assets Approved for Recovery | 240.1 | 269.1 | various </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
2106.9
monetaryItemType
table: <entity> 2106.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 2,106.9 | 2,308.2 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
2308.2
monetaryItemType
table: <entity> 2308.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Currently Not Earning a Return | 2,106.9 | 2,308.2 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
3818.4
monetaryItemType
table: <entity> 3818.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 3,818.4 | 4,255.1 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
4255.1
monetaryItemType
table: <entity> 4255.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Assets Approved for Recovery | 3,818.4 | 4,255.1 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
5129.2
monetaryItemType
table: <entity> 5129.2 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 5,129.2 | $ | 5,092.4 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining Recovery P...
table
5092.4
monetaryItemType
table: <entity> 5092.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Noncurrent Regulatory Assets | $ | 5,129.2 | $ | 5,092.4 </context>
us-gaap:RegulatoryAssetsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
21.6
monetaryItemType
table: <entity> 21.6 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - pays a return | $ | 21.6 | $ | 3.3 | 1 year </context>
us-gaap:RegulatoryLiabilityCurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
3.3
monetaryItemType
table: <entity> 3.3 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - pays a return | $ | 21.6 | $ | 3.3 | 1 year </context>
us-gaap:RegulatoryLiabilityCurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
31.9
monetaryItemType
table: <entity> 31.9 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - does not pay a return | 31.9 | 23.2 | 1 year </context>
us-gaap:RegulatoryLiabilityCurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
23.2
monetaryItemType
table: <entity> 23.2 </entity> <entity type> monetaryItemType </entity type> <context> Over-recovered Fuel Costs - does not pay a return | 31.9 | 23.2 | 1 year </context>
us-gaap:RegulatoryLiabilityCurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
53.5
monetaryItemType
table: <entity> 53.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Liabilities | $ | 53.5 | $ | 26.5 </context>
us-gaap:RegulatoryLiabilityCurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
26.5
monetaryItemType
table: <entity> 26.5 </entity> <entity type> monetaryItemType </entity type> <context> Total Current Regulatory Liabilities | $ | 53.5 | $ | 26.5 </context>
us-gaap:RegulatoryLiabilityCurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
176.0
monetaryItemType
table: <entity> 176.0 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | $ | 176.0 | $ | 103.1 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
103.1
monetaryItemType
table: <entity> 103.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | $ | 176.0 | $ | 103.1 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
131.3
monetaryItemType
table: <entity> 131.3 </entity> <entity type> monetaryItemType </entity type> <context> FERC 2021 Transmission Formula Rate Challenge Refunds | 131.3 | 103.1 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
14.7
monetaryItemType
table: <entity> 14.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Pending Final Regulatory Determination | 14.7 | 1.7 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
1.7
monetaryItemType
table: <entity> 1.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Pending Final Regulatory Determination | 14.7 | 1.7 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
146.0
monetaryItemType
table: <entity> 146.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 146.0 | 104.8 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
104.8
monetaryItemType
table: <entity> 104.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Not Paying a Return | 146.0 | 104.8 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
322.0
monetaryItemType
table: <entity> 322.0 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Pending Final Regulatory Determination | 322.0 | 207.9 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
207.9
monetaryItemType
table: <entity> 207.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Pending Final Regulatory Determination | 322.0 | 207.9 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
3828.0
monetaryItemType
table: <entity> 3828.0 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 3,828.0 | 3,563.5 | (b) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
3563.5
monetaryItemType
table: <entity> 3563.5 </entity> <entity type> monetaryItemType </entity type> <context> Asset Removal Costs | 3,828.0 | 3,563.5 | (b) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
1622.1
monetaryItemType
table: <entity> 1622.1 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | 1,622.1 | 2,179.7 | (c) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
2179.7
monetaryItemType
table: <entity> 2179.7 </entity> <entity type> monetaryItemType </entity type> <context> Income Taxes, Net (a) | 1,622.1 | 2,179.7 | (c) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
35.9
monetaryItemType
table: <entity> 35.9 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements | 35.9 | 44.9 | 4 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
44.9
monetaryItemType
table: <entity> 44.9 </entity> <entity type> monetaryItemType </entity type> <context> Rockport Plant, Unit 2 Accelerated Depreciation for Leasehold Improvements | 35.9 | 44.9 | 4 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
40.4
monetaryItemType
table: <entity> 40.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 40.4 | 35.0 | various </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
35.0
monetaryItemType
table: <entity> 35.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Regulatory Liabilities Approved for Payment | 40.4 | 35.0 | various </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
5526.4
monetaryItemType
table: <entity> 5526.4 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 5,526.4 | 5,823.1 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
5823.1
monetaryItemType
table: <entity> 5823.1 </entity> <entity type> monetaryItemType </entity type> <context> Total Regulatory Liabilities Currently Paying a Return | 5,526.4 | 5,823.1 </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
2137.3
monetaryItemType
table: <entity> 2137.3 </entity> <entity type> monetaryItemType </entity type> <context> Excess Nuclear Decommissioning Funding | 2,137.3 | 1,721.9 | (d) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
1721.9
monetaryItemType
table: <entity> 1721.9 </entity> <entity type> monetaryItemType </entity type> <context> Excess Nuclear Decommissioning Funding | 2,137.3 | 1,721.9 | (d) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
65.1
monetaryItemType
table: <entity> 65.1 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 65.1 | 154.5 | 29 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
154.5
monetaryItemType
table: <entity> 154.5 </entity> <entity type> monetaryItemType </entity type> <context> Deferred Investment Tax Credits | 65.1 | 154.5 | 29 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
52.6
monetaryItemType
table: <entity> 52.6 </entity> <entity type> monetaryItemType </entity type> <context> Demand Side Management | 52.6 | 31.3 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
31.3
monetaryItemType
table: <entity> 31.3 </entity> <entity type> monetaryItemType </entity type> <context> Demand Side Management | 52.6 | 31.3 | 2 years </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
50.4
monetaryItemType
table: <entity> 50.4 </entity> <entity type> monetaryItemType </entity type> <context> Spent Nuclear Fuel | 50.4 | 47.6 | (d) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
47.6
monetaryItemType
table: <entity> 47.6 </entity> <entity type> monetaryItemType </entity type> <context> Spent Nuclear Fuel | 50.4 | 47.6 | (d) </context>
us-gaap:RegulatoryLiabilityNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>AEP</td></tr><tr><td></td><td></td><td>December 31,</td><td></td><td>Remaining</td></tr><...
table
35.2
monetaryItemType
table: <entity> 35.2 </entity> <entity type> monetaryItemType </entity type> <context> 2017-2019 Virginia Triennial Revenue Provision | 35.2 | 37.1 | 25 years </context>
us-gaap:RegulatoryLiabilityNoncurrent