XML 122 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover
 12 Months Ended
Dec. 31, 2019
USD ($)
shares
Entity Information [Line Items]  
Document Type 10-K
Document Annual Report true
Document Period End Date Dec. 31, 2019
Document Transition Report false
Entity File Number 1-3525
Entity Registrant Name AMERICAN ELECTRIC POWER CO INC.
Entity Incorporation, State or Country Code NY
Entity Tax Identification Number 13-4922640
Entity Address, Address Line One 1 Riverside Plaza,
Entity Address, City or Town Columbus,
Entity Address, State or Province OH
Entity Address, Postal Zip Code 43215-2373
City Area Code (614)
Local Phone Number 716-1000
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false
Entity Public Float | $ $ 43,491,855,142
Entity Common Stock, Shares Outstanding 494,169,471
Documents Incorporated by Reference
Documents Incorporated By Reference
Description
 
Part of Form 10-K into which Document is Incorporated
 
 
 
Portions of Annual Reports of the following companies for the fiscal year ended December 31, 2019:
 
Part II
American Electric Power Company, Inc.
 
 
AEP Texas Inc.
 
 
AEP Transmission Company, LLC
 
 
Appalachian Power Company
 
 
Indiana Michigan Power Company
 
 
Ohio Power Company
 
 
Public Service Company of Oklahoma
 
 
Southwestern Electric Power Company
 
 
 
 
 
Portions of Proxy Statement of American Electric Power Company, Inc. for 2020 Annual Meeting of Shareholders.
 
Part III
Entity Central Index Key 0000004904
Amendment Flag false
Document Fiscal Year Focus 2019
Document Fiscal Period Focus FY
Current Fiscal Year End Date --12-31
AEP Texas Inc. [Member]  
Entity Information [Line Items]  
Entity File Number 333-221643
Entity Registrant Name AEP TEXAS INC.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 51-0007707
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 100,000,000
Entity Central Index Key 0001721781
AEP Transmission Co [Member]  
Entity Information [Line Items]  
Entity File Number 333-217143
Entity Registrant Name AEP TRANSMISSION COMPANY, LLC
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 46-1125168
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Central Index Key 0001702494
Appalachian Power Co [Member]  
Entity Information [Line Items]  
Entity File Number 1-3457
Entity Registrant Name APPALACHIAN POWER COMPANY
Entity Incorporation, State or Country Code VA
Entity Tax Identification Number 54-0124790
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 13,499,500,000,000
Entity Central Index Key 0000006879
Indiana Michigan Power Co [Member]  
Entity Information [Line Items]  
Entity File Number 1-3570
Entity Registrant Name INDIANA MICHIGAN POWER COMPANY
Entity Incorporation, State or Country Code IN
Entity Tax Identification Number 35-0410455
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 1,400,000,000,000
Entity Central Index Key 0000050172
Ohio Power Co [Member]  
Entity Information [Line Items]  
Entity File Number 1-6543
Entity Registrant Name OHIO POWER COMPANY
Entity Incorporation, State or Country Code OH
Entity Tax Identification Number 31-4271000
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 27,952,473,000,000
Entity Central Index Key 0000073986
Public Service Co Of Oklahoma [Member]  
Entity Information [Line Items]  
Entity File Number 0-343
Entity Registrant Name PUBLIC SERVICE COMPANY OF OKLAHOMA
Entity Incorporation, State or Country Code OK
Entity Tax Identification Number 73-0410895
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 9,013,000,000,000
Entity Central Index Key 0000081027
Southwestern Electric Power Co [Member]  
Entity Information [Line Items]  
Entity File Number 1-3146
Entity Registrant Name SOUTHWESTERN ELECTRIC POWER COMPANY
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 72-0323455
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 7,536,640,000,000
Entity Central Index Key 0000092487
New York Stock Exchange | Common Stock, $6.50 par value  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock, $6.50 par value
Trading Symbol AEP
Security Exchange Name NYSE
New York Stock Exchange | 6.125% Corporate Units  
Entity Information [Line Items]  
Title of 12(b) Security 6.125% Corporate Units
Trading Symbol AEP PR B
Security Exchange Name NYSE