| Annual Report of Employee Stock Plans | 11-K | Jun 26, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jun 25, 2025 | Public Service Company of Oklahoma | |
| Prospectus filed pursuant to Rule 424(b)(2) | 424B2 | Jun 24, 2025 | Public Service Company of Oklahoma | |
| Free Writing Prospectus - Filing under Securities Act Rules 163/433 | FWP | Jun 23, 2025 | Public Service Company of Oklahoma | |
| Prospectus filed pursuant to Rule 424(b)(5) | 424B5 | Jun 23, 2025 | Public Service Company of Oklahoma | |
| Statement of Changes in Beneficial Ownership | 4 | Jun 18, 2025 | American Electric Power Company, Inc | |
| Report of proposed sale of securities | 144 | Jun 17, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jun 17, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jun 16, 2025 | American Electric Power Company, Inc | |
| Initial Statement of Beneficial Ownership | 3 | Jun 16, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jun 16, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jun 12, 2025 | Kentucky Power | |
| Statement of Changes in Beneficial Ownership | 4 | Jun 11, 2025 | American Electric Power Company, Inc | |
| Report of proposed sale of securities | 144 | Jun 10, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jun 9, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jun 9, 2025 | AEP Transmission Company, LLC | |
| Prospectus filed pursuant to Rule 424(b)(1) | 424B1 | Jun 9, 2025 | Kentucky Power | |
| Current report filing | 8-K | Jun 6, 2025 | Kentucky Power | |
| Free Writing Prospectus - Filing under Securities Act Rules 163/433 | FWP | Jun 6, 2025 | Kentucky Power | |
| Statement of Changes in Beneficial Ownership | 4 | Jun 4, 2025 | American Electric Power Company, Inc | |
| Report of proposed sale of securities | 144 | Jun 3, 2025 | American Electric Power Company, Inc | |
| Effectiveness Order | EFFECT | May 30, 2025 | Kentucky Power | |
| Free Writing Prospectus - Filing under Securities Act Rules 163/433 | FWP | May 28, 2025 | Kentucky Power | |
| Statement of Changes in Beneficial Ownership | 4 | May 20, 2025 | American Electric Power Company, Inc | |
| Report of proposed sale of securities | 144 | May 19, 2025 | American Electric Power Company, Inc | |
| Pre-effective amendment to an SF-1 registration statement | SF-1/A | May 16, 2025 | Kentucky Power | |
| Current report filing | 8-K | May 14, 2025 | AEP Transmission Company, LLC | |
| Prospectus filed pursuant to Rule 424(b)(2) | 424B2 | May 13, 2025 | AEP Transmission Company, LLC | |
| Free Writing Prospectus - Filing under Securities Act Rules 163/433 | FWP | May 12, 2025 | AEP Transmission Company, LLC | |
| Prospectus filed pursuant to Rule 424(b)(5) | 424B5 | May 12, 2025 | AEP Transmission Company, LLC | |
| Quarterly Report | 10-Q | May 6, 2025 | American Electric Power Company, Inc | |
| Quarterly Report | 10-Q | May 6, 2025 | AEP Texas | |
| Quarterly Report | 10-Q | May 6, 2025 | AEP Transmission Company, LLC | |
| Quarterly Report | 10-Q | May 6, 2025 | Appalachian Power Company | |
| Quarterly Report | 10-Q | May 6, 2025 | Indiana Michigan Power | |
| Quarterly Report | 10-Q | May 6, 2025 | Ohio Power | |
| Quarterly Report | 10-Q | May 6, 2025 | Public Service Company of Oklahoma | |
| Quarterly Report | 10-Q | May 6, 2025 | Southwestern Electric Power Company | |
| Current report filing | 8-K | May 6, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | May 1, 2025 | American Electric Power Company, Inc | |
| Initial Statement of Beneficial Ownership | 3 | Apr 29, 2025 | American Electric Power Company, Inc | |
| Pre-effective amendment to an SF-1 registration statement | SF-1/A | Apr 18, 2025 | Kentucky Power | |
| Amended Statement of Ownership | SC 13G/A | Apr 17, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Apr 2, 2025 | American Electric Power Company, Inc | |
| Effectiveness Order | EFFECT | Apr 1, 2025 | American Electric Power Company, Inc | |
| Effectiveness Order | EFFECT | Apr 1, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Mar 27, 2025 | American Electric Power Company, Inc | |
| Prospectus filed pursuant to Rule 424(b)(5) | 424B5 | Mar 25, 2025 | American Electric Power Company, Inc | |
| Prospectus filed pursuant to Rule 424(b)(5) | 424B5 | Mar 24, 2025 | American Electric Power Company, Inc | |
| Post-Effective Amendment to Registration Statement | POS AM | Mar 24, 2025 | American Electric Power Company, Inc | |
| Post-Effective Amendment to Registration Statement | POS AM | Mar 24, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Mar 20, 2025 | American Electric Power Company, Inc | |
| Effectiveness Order | EFFECT | Mar 14, 2025 | American Electric Power Company, Inc | |
| Effectiveness Order | EFFECT | Mar 14, 2025 | American Electric Power Company, Inc | |
| Annual Report to Security Holders | ARS | Mar 13, 2025 | American Electric Power Company, Inc | |
| Additional Proxy Soliciting Materials (definitive) | DEFA14A | Mar 13, 2025 | American Electric Power Company, Inc | |
| Proxy Statement (definitive) | DEF 14A | Mar 13, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Mar 12, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 28, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 25, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 20, 2025 | American Electric Power Company, Inc | |
| Seperately filed delaying amendment under Securities Act Rule 473 to delay effectiveness of a 1933 Act registration statement | DEL AM | Feb 19, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Feb 19, 2025 | American Electric Power Company, Inc | |
| Seperately filed delaying amendment under Securities Act Rule 473 to delay effectiveness of a 1933 Act registration statement | DEL AM | Feb 19, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Feb 19, 2025 | American Electric Power Company, Inc | |
| Securities Registration Statement (simplified form) | S-3 | Feb 14, 2025 | American Electric Power Company, Inc | |
| Securities Registration Statement (simplified form) | S-3 | Feb 14, 2025 | American Electric Power Company, Inc | |
| Annual Report | 10-K | Feb 13, 2025 | American Electric Power Company, Inc | |
| Annual Report | 10-K | Feb 13, 2025 | AEP Texas | |
| Annual Report | 10-K | Feb 13, 2025 | AEP Transmission Company, LLC | |
| Annual Report | 10-K | Feb 13, 2025 | Appalachian Power Company | |
| Annual Report | 10-K | Feb 13, 2025 | Indiana Michigan Power | |
| Annual Report | 10-K | Feb 13, 2025 | Ohio Power | |
| Annual Report | 10-K | Feb 13, 2025 | Public Service Company of Oklahoma | |
| Annual Report | 10-K | Feb 13, 2025 | Southwestern Electric Power Company | |
| Current report filing | 8-K | Feb 13, 2025 | American Electric Power Company, Inc | |
| Prospectus filed pursuant to Rule 424(b)(5) | 424B5 | Feb 12, 2025 | American Electric Power Company, Inc | |
| Post-effective Amendment to an automatic shelf registration of Form S-3ASR or Form F-3ASR | POSASR | Feb 7, 2025 | American Electric Power Company, Inc | |
| Post-effective Amendment to an automatic shelf registration of Form S-3ASR or Form F-3ASR | POSASR | Feb 7, 2025 | American Electric Power Company, Inc | |
| Initial Statement of Beneficial Ownership | 3 | Jan 23, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jan 17, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 10, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jan 10, 2025 | American Electric Power Company, Inc | |
| Current report filing | 8-K | Jan 10, 2025 | AEP Transmission Company, LLC | |
| Current report filing | 8-K | Jan 7, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Amended Statement of Changes in Beneficial Ownership | 4/A | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| Statement of Changes in Beneficial Ownership | 4 | Jan 3, 2025 | American Electric Power Company, Inc | |
| General form of registration statement for all issuers of asset-backed securities | SF-1 | Jan 2, 2025 | Kentucky Power | |