Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000004904-19-000009-index-headers.html | 2019-02-21 16:27:59 | |
| 0000004904-19-000009-index.html | 2019-02-21 16:27:59 | |
| 0000004904-19-000009.txt | 2019-02-21 16:27:59 | |
 0000004904-19-000009-xbrl.zip | 1919584 | 2019-02-21 16:27:59 |
| aep-20181231.xml | 39606794 | 2019-02-21 16:27:59 |
| aep-20181231.xsd | 239343 | 2019-02-21 16:27:59 |
| aep-20181231_cal.xml | 223790 | 2019-02-21 16:27:59 |
| aep-20181231_def.xml | 1542654 | 2019-02-21 16:27:59 |
| aep-20181231_lab.xml | 2716301 | 2019-02-21 16:27:59 |
| aep-20181231_pre.xml | 1672367 | 2019-02-21 16:27:59 |
| aep10kfrex1320184q.htm | 18313614 | 2019-02-21 16:27:59 |
| aep10klegal20184q.htm | 2966038 | 2019-02-21 16:27:59 |
 aeptagrgbblacka05.jpg | 278061 | 2019-02-21 16:27:59 |
 aepthcassetinvestments.jpg | 52390 | 2019-02-21 16:27:59 |
 aepthcearningscs.jpg | 27377 | 2019-02-21 16:27:59 |
 aepthcoearningspercent.jpg | 25336 | 2019-02-21 16:27:59 |
 earningspercentbysegment.jpg | 40182 | 2019-02-21 16:27:59 |
| ex10g2a20184q.htm | 15823 | 2019-02-21 16:27:59 |
| ex2120184q.htm | 19607 | 2019-02-21 16:27:59 |
| ex231aep20184q.htm | 2683 | 2019-02-21 16:27:59 |
| ex231aeptco20184q.htm | 2739 | 2019-02-21 16:27:59 |
| ex231apco20184q.htm | 2348 | 2019-02-21 16:27:59 |
| ex231im20184q.htm | 2350 | 2019-02-21 16:27:59 |
| ex231opco20184q.htm | 2341 | 2019-02-21 16:27:59 |
| ex231swepco20184q.htm | 2379 | 2019-02-21 16:27:59 |
| ex232aep20184q.htm | 2700 | 2019-02-21 16:27:59 |
| ex232aeptco20184q.htm | 2663 | 2019-02-21 16:27:59 |
| ex232apco20184q.htm | 2607 | 2019-02-21 16:27:59 |
| ex232im20184q.htm | 2933 | 2019-02-21 16:27:59 |
| ex232opco20184q.htm | 2677 | 2019-02-21 16:27:59 |
| ex232swepco20184q.htm | 2813 | 2019-02-21 16:27:59 |
| ex24aep20184q.htm | 12517 | 2019-02-21 16:27:59 |
| ex24aeptco20184q.htm | 8050 | 2019-02-21 16:27:59 |
| ex24aeptexas20184q.htm | 14011 | 2019-02-21 16:27:59 |
| ex24apco20184q.htm | 14012 | 2019-02-21 16:27:59 |
| ex24im20184q.htm | 11094 | 2019-02-21 16:27:59 |
| ex24opco20184q.htm | 14012 | 2019-02-21 16:27:59 |
| ex24pso20184q.htm | 14139 | 2019-02-21 16:27:59 |
| ex24swepco20184q.htm | 14145 | 2019-02-21 16:27:59 |
| ex31aaep20184q.htm | 13192 | 2019-02-21 16:27:59 |
| ex31aaeptco20184q.htm | 13466 | 2019-02-21 16:27:59 |
| ex31aaeptexas20184q.htm | 13456 | 2019-02-21 16:27:59 |
| ex31aapco20184q.htm | 13606 | 2019-02-21 16:27:59 |
| ex31aim20184q.htm | 13478 | 2019-02-21 16:27:59 |
| ex31aopco20184q.htm | 13486 | 2019-02-21 16:27:59 |
| ex31apso20184q.htm | 13500 | 2019-02-21 16:27:59 |
| ex31aswepco20184q.htm | 13496 | 2019-02-21 16:27:59 |
| ex31baep20184q.htm | 13311 | 2019-02-21 16:27:59 |
| ex31baeptco20184q.htm | 13275 | 2019-02-21 16:27:59 |
| ex31baeptexas20184q.htm | 13265 | 2019-02-21 16:27:59 |
| ex31bapco20184q.htm | 13302 | 2019-02-21 16:27:59 |
| ex31bim20184q.htm | 13433 | 2019-02-21 16:27:59 |
| ex31bopco20184q.htm | 13521 | 2019-02-21 16:27:59 |
| ex31bpso20184q.htm | 13423 | 2019-02-21 16:27:59 |
| ex31bswepco20184q.htm | 13429 | 2019-02-21 16:27:59 |
| ex32aaep20184q.htm | 5141 | 2019-02-21 16:27:59 |
| ex32aaeptco20184q.htm | 5217 | 2019-02-21 16:27:59 |
| ex32aaeptexas20184q.htm | 5177 | 2019-02-21 16:27:59 |
| ex32aapco20184q.htm | 5115 | 2019-02-21 16:27:59 |
| ex32aim20184q.htm | 5127 | 2019-02-21 16:27:59 |
| ex32aopco20184q.htm | 5089 | 2019-02-21 16:27:59 |
| ex32apso20184q.htm | 5140 | 2019-02-21 16:27:59 |
| ex32aswepco20184q.htm | 5139 | 2019-02-21 16:27:59 |
| ex32baep20184q.htm | 5136 | 2019-02-21 16:27:59 |
| ex32baeptco20184q.htm | 5214 | 2019-02-21 16:27:59 |
| ex32baeptexas20184q.htm | 5174 | 2019-02-21 16:27:59 |
| ex32bapco20184q.htm | 5112 | 2019-02-21 16:27:59 |
| ex32bim20184q.htm | 5124 | 2019-02-21 16:27:59 |
| ex32bopco20184q.htm | 5102 | 2019-02-21 16:27:59 |
| ex32bpso20184q.htm | 5137 | 2019-02-21 16:27:59 |
| ex32bswepco20184q.htm | 5141 | 2019-02-21 16:27:59 |
| ex9520184q.htm | 9314 | 2019-02-21 16:27:59 |
| FilingSummary.xml | 49163 | 2019-02-21 16:27:59 |
| Financial_Report.xlsx | 492927 | 2019-02-21 16:27:59 |
 generationcapacity.jpg | 45787 | 2019-02-21 16:27:59 |
 gmearningscs.jpg | 28684 | 2019-02-21 16:27:59 |
 gmearningspercent.jpg | 25029 | 2019-02-21 16:27:59 |
 gmmwh.jpg | 48297 | 2019-02-21 16:27:59 |
 percentchangeinsalesvolume.jpg | 54812 | 2019-02-21 16:27:59 |
| R1.htm | 47525 | 2019-02-21 16:27:59 |
| R10.htm | 49238 | 2019-02-21 16:27:59 |
| R11.htm | 1061644 | 2019-02-21 16:27:59 |
| R12.htm | 151714 | 2019-02-21 16:27:59 |
| R13.htm | 1342326 | 2019-02-21 16:27:59 |
| R14.htm | 169626 | 2019-02-21 16:27:59 |
| R15.htm | 61352 | 2019-02-21 16:27:59 |
| R16.htm | 2246950 | 2019-02-21 16:27:59 |
| R17.htm | 711046 | 2019-02-21 16:27:59 |
| R18.htm | 943503 | 2019-02-21 16:27:59 |
| R19.htm | 1493241 | 2019-02-21 16:27:59 |
| R2.htm | 253907 | 2019-02-21 16:27:59 |
| R20.htm | 1148423 | 2019-02-21 16:27:59 |
| R21.htm | 445066 | 2019-02-21 16:27:59 |
| R22.htm | 867611 | 2019-02-21 16:27:59 |
| R23.htm | 167922 | 2019-02-21 16:27:59 |
| R24.htm | 384819 | 2019-02-21 16:27:59 |
| R25.htm | 364214 | 2019-02-21 16:27:59 |
| R26.htm | 804052 | 2019-02-21 16:27:59 |
| R27.htm | 22948 | 2019-02-21 16:27:59 |
| R28.htm | 327536 | 2019-02-21 16:27:59 |
| R29.htm | 336663 | 2019-02-21 16:27:59 |
| R3.htm | 58166 | 2019-02-21 16:27:59 |
| R30.htm | 200647 | 2019-02-21 16:27:59 |
| R31.htm | 8604 | 2019-02-21 16:27:59 |
| R32.htm | 27494 | 2019-02-21 16:27:59 |
| R33.htm | 5747 | 2019-02-21 16:27:59 |
| R34.htm | 9661 | 2019-02-21 16:27:59 |
| R35.htm | 3472 | 2019-02-21 16:27:59 |
| R36.htm | 29968 | 2019-02-21 16:27:59 |
| R37.htm | 5906 | 2019-02-21 16:27:59 |
| R38.htm | 9114 | 2019-02-21 16:27:59 |
| R39.htm | 507933 | 2019-02-21 16:27:59 |
| R4.htm | 24483 | 2019-02-21 16:27:59 |
| R40.htm | 15149 | 2019-02-21 16:27:59 |
| R41.htm | 1059402 | 2019-02-21 16:27:59 |
| R42.htm | 42864 | 2019-02-21 16:27:59 |
| R43.htm | 1343461 | 2019-02-21 16:27:59 |
| R44.htm | 129134 | 2019-02-21 16:27:59 |
| R45.htm | 42441 | 2019-02-21 16:27:59 |
| R46.htm | 2252571 | 2019-02-21 16:27:59 |
| R47.htm | 695914 | 2019-02-21 16:27:59 |
| R48.htm | 922402 | 2019-02-21 16:27:59 |
| R49.htm | 1497379 | 2019-02-21 16:27:59 |
| R5.htm | 171011 | 2019-02-21 16:27:59 |
| R50.htm | 1138389 | 2019-02-21 16:27:59 |
| R51.htm | 438613 | 2019-02-21 16:27:59 |
| R52.htm | 872794 | 2019-02-21 16:27:59 |
| R53.htm | 163573 | 2019-02-21 16:27:59 |
| R54.htm | 364098 | 2019-02-21 16:27:59 |
| R55.htm | 320371 | 2019-02-21 16:27:59 |
| R56.htm | 805017 | 2019-02-21 16:27:59 |
| R57.htm | 21460 | 2019-02-21 16:27:59 |
| R58.htm | 309720 | 2019-02-21 16:27:59 |
| R59.htm | 334922 | 2019-02-21 16:27:59 |
| R6.htm | 411040 | 2019-02-21 16:27:59 |
| R60.htm | 1626148 | 2019-02-21 16:27:59 |
| R61.htm | 13224 | 2019-02-21 16:27:59 |
| R62.htm | 326048 | 2019-02-21 16:27:59 |
| R63.htm | 212798 | 2019-02-21 16:27:59 |
| R64.htm | 259058 | 2019-02-21 16:27:59 |
| R65.htm | 762060 | 2019-02-21 16:27:59 |
| R66.htm | 184666 | 2019-02-21 16:27:59 |
| R67.htm | 183267 | 2019-02-21 16:27:59 |
| R68.htm | 517701 | 2019-02-21 16:27:59 |
| R69.htm | 674785 | 2019-02-21 16:27:59 |
| R7.htm | 114652 | 2019-02-21 16:27:59 |
| R70.htm | 306880 | 2019-02-21 16:27:59 |
| R71.htm | 427494 | 2019-02-21 16:27:59 |
| R72.htm | 479840 | 2019-02-21 16:27:59 |
| R73.htm | 197937 | 2019-02-21 16:27:59 |
| R74.htm | 612450 | 2019-02-21 16:27:59 |
| R75.htm | 988696 | 2019-02-21 16:27:59 |
| R76.htm | 250723 | 2019-02-21 16:27:59 |
| R77.htm | 626041 | 2019-02-21 16:27:59 |
| R78.htm | 152140 | 2019-02-21 16:27:59 |
| R79.htm | 218437 | 2019-02-21 16:27:59 |
| R8.htm | 336221 | 2019-02-21 16:27:59 |
| R80.htm | 352526 | 2019-02-21 16:27:59 |
| R81.htm | 431401 | 2019-02-21 16:27:59 |
| R82.htm | 12861 | 2019-02-21 16:27:59 |
| R83.htm | 885908 | 2019-02-21 16:27:59 |
| R84.htm | 104475 | 2019-02-21 16:27:59 |
| R9.htm | 614060 | 2019-02-21 16:27:59 |
| report.css | 2768 | 2019-02-21 16:27:59 |
 rsbudgetedcapex.jpg | 50224 | 2019-02-21 16:27:59 |
 rspretaxincpercent.jpg | 41409 | 2019-02-21 16:27:59 |
 segbudgetedcapex.jpg | 48982 | 2019-02-21 16:27:59 |
| Show.js | 1086 | 2019-02-21 16:27:59 |
 tdearningscs.jpg | 26378 | 2019-02-21 16:27:59 |
 tdearningspercent.jpg | 26352 | 2019-02-21 16:27:59 |
 tdeastdegreedays.jpg | 52899 | 2019-02-21 16:27:59 |
 tdkwhsales.jpg | 61032 | 2019-02-21 16:27:59 |
 tdwestdegreedays.jpg | 51384 | 2019-02-21 16:27:59 |
 totalreturn2019.gif | 17850 | 2019-02-21 16:27:59 |
 viuearningscs.jpg | 28401 | 2019-02-21 16:27:59 |
 viuearningspercent.jpg | 25438 | 2019-02-21 16:27:59 |
 viueastdegreedays.jpg | 51721 | 2019-02-21 16:27:59 |
 viukwhsales.jpg | 63706 | 2019-02-21 16:27:59 |
 viuwestdegreedays.jpg | 51554 | 2019-02-21 16:27:59 |