v3.25.2
VARIABLE INTEREST ENTITIES - Schedule of Consolidated Assets And Liabilities Of Variable Interest Entities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
ASSETS            
Current Assets $ 6,321.9   $ 5,788.8      
Net Property, Plant and Equipment 86,337.1   82,415.6      
Other Noncurrent Assets 15,119.5   14,873.6      
TOTAL ASSETS 107,778.5   103,078.0      
LIABILITIES AND EQUITY            
Current Liabilities 11,443.3   13,009.3      
Noncurrent Liabilities 65,316.2   63,044.8      
Equity 30,968.4 $ 27,364.0 26,986.1 $ 26,175.7 $ 25,843.7 $ 25,285.9
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 107,778.5   103,078.0      
SWEPCo            
ASSETS            
Current Assets 635.5   438.0      
Net Property, Plant and Equipment 9,671.9   9,446.1      
Other Noncurrent Assets 1,647.8   1,610.9      
TOTAL ASSETS 11,955.2   11,495.0      
LIABILITIES AND EQUITY            
Current Liabilities 1,365.8   1,031.6      
Noncurrent Liabilities 6,070.0   6,558.4      
Equity 4,519.4 $ 3,953.4 3,905.0 $ 3,758.3 $ 3,928.4 $ 3,770.4
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 11,955.2   11,495.0      
I&M            
ASSETS            
Current Assets 525.5   543.6      
Net Property, Plant and Equipment 7,796.4   7,679.3      
Other Noncurrent Assets 5,574.9   5,312.6      
TOTAL ASSETS 13,896.8   13,535.5      
LIABILITIES AND EQUITY            
Current Liabilities 853.9   1,071.2      
Noncurrent Liabilities 9,507.1   9,067.8      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 13,896.8   13,535.5      
AEP Texas            
ASSETS            
Current Assets 493.0   500.4      
Net Property, Plant and Equipment 14,681.5   14,043.5      
Other Noncurrent Assets 733.9   655.7      
TOTAL ASSETS 15,908.4   15,199.6      
LIABILITIES AND EQUITY            
Current Liabilities 1,626.0   1,407.1      
Noncurrent Liabilities 8,925.0   8,907.9      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 15,908.4   15,199.6      
APCo            
ASSETS            
Current Assets 1,088.1   1,094.9      
Net Property, Plant and Equipment 13,835.1   13,612.5      
Other Noncurrent Assets 1,998.8   1,958.5      
TOTAL ASSETS 16,922.0   16,665.9      
LIABILITIES AND EQUITY            
Current Liabilities 1,395.9   2,025.5      
Noncurrent Liabilities 9,550.0   8,892.4      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 16,922.0   16,665.9      
Variable Interest Entity, Primary Beneficiary | Sabine | SWEPCo            
ASSETS            
Current Assets 3.1   6.0      
Net Property, Plant and Equipment 0.0   0.0      
Other Noncurrent Assets 97.1   110.8      
TOTAL ASSETS 100.2   116.8      
LIABILITIES AND EQUITY            
Current Liabilities 16.6   20.1      
Noncurrent Liabilities 83.4   96.3      
Equity 0.2   0.4      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 100.2   116.8      
Variable Interest Entity, Primary Beneficiary | DCC Fuel | I&M            
ASSETS            
Current Assets 95.0   79.3      
Net Property, Plant and Equipment 181.1   132.3      
Other Noncurrent Assets 98.1   63.6      
TOTAL ASSETS 374.2   275.2      
LIABILITIES AND EQUITY            
Current Liabilities 94.8   79.2      
Noncurrent Liabilities 279.4   196.0      
Equity 0.0   0.0      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 374.2   275.2      
Variable Interest Entity, Primary Beneficiary | AEP Texas Restoration Funding | AEP Texas            
ASSETS            
Current Assets 18.6   21.3      
Net Property, Plant and Equipment 0.0   0.0      
Other Noncurrent Assets 110.6   121.9      
TOTAL ASSETS 129.2   143.2      
LIABILITIES AND EQUITY            
Current Liabilities 30.7   30.7      
Noncurrent Liabilities 97.2   111.2      
Equity 1.3   1.3      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 129.2   143.2      
Variable Interest Entity, Primary Beneficiary | AEP Texas Restoration Funding | AEP Texas | Intersegment Eliminations            
ASSETS            
Other Noncurrent Assets (1.0)   (1.0)      
Variable Interest Entity, Primary Beneficiary | APCo Appalachian Consumer Rate Relief Funding | AEP Texas            
ASSETS            
Current Assets     14.2      
Net Property, Plant and Equipment     0.0      
Other Noncurrent Assets     109.6      
TOTAL ASSETS     123.8      
LIABILITIES AND EQUITY            
Current Liabilities     30.5      
Noncurrent Liabilities     91.4      
Equity     1.9      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY     123.8      
Variable Interest Entity, Primary Beneficiary | APCo Appalachian Consumer Rate Relief Funding | APCo            
ASSETS            
Current Assets 16.0          
Net Property, Plant and Equipment 0.0          
Other Noncurrent Assets 93.7          
TOTAL ASSETS 109.7          
LIABILITIES AND EQUITY            
Current Liabilities 30.8          
Noncurrent Liabilities 77.0          
Equity 1.9          
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 109.7          
Variable Interest Entity, Primary Beneficiary | Recovery Funding | SWEPCo            
ASSETS            
Current Assets 18.1          
Net Property, Plant and Equipment 0.0          
Other Noncurrent Assets 324.7          
TOTAL ASSETS 342.8          
LIABILITIES AND EQUITY            
Current Liabilities 28.5          
Noncurrent Liabilities 312.6          
Equity 1.7          
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 342.8          
Variable Interest Entity, Primary Beneficiary | Recovery Funding | APCo            
ASSETS            
Current Assets     3.4      
Net Property, Plant and Equipment     0.0      
Other Noncurrent Assets     331.4      
TOTAL ASSETS     334.8      
LIABILITIES AND EQUITY            
Current Liabilities     24.4      
Noncurrent Liabilities     308.7      
Equity     1.7      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY     334.8      
Variable Interest Entity, Primary Beneficiary | Recovery Funding | KPCo            
ASSETS            
Current Assets 3.1          
Net Property, Plant and Equipment 0.0          
Other Noncurrent Assets 469.4          
TOTAL ASSETS 472.5          
LIABILITIES AND EQUITY            
Current Liabilities 10.7          
Noncurrent Liabilities 459.4          
Equity 2.4          
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 472.5          
Variable Interest Entity, Primary Beneficiary | Recovery Funding | KPCo | Intersegment Eliminations            
ASSETS            
Other Noncurrent Assets (16.0)          
Variable Interest Entity, Primary Beneficiary | AEP Credit            
ASSETS            
Current Assets 1,235.0   1,118.3      
Net Property, Plant and Equipment 0.0   0.0      
Other Noncurrent Assets 10.7   10.5      
TOTAL ASSETS 1,245.7   1,128.8      
LIABILITIES AND EQUITY            
Current Liabilities 1,179.5   1,068.8      
Noncurrent Liabilities 1.0   1.0      
Equity 65.2   59.0      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 1,245.7   1,128.8      
Variable Interest Entity, Primary Beneficiary | Protected Cell of EIS            
ASSETS            
Current Assets 209.9   218.5      
Net Property, Plant and Equipment 0.0   0.0      
Other Noncurrent Assets 0.0   0.0      
TOTAL ASSETS 209.9   218.5      
LIABILITIES AND EQUITY            
Current Liabilities 46.6   54.7      
Noncurrent Liabilities 105.6   96.0      
Equity 57.7   67.8      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 209.9   218.5      
Variable Interest Entity, Primary Beneficiary | Transource Energy            
ASSETS            
Current Assets 58.6   40.2      
Net Property, Plant and Equipment 621.8   598.3      
Other Noncurrent Assets 7.9   3.5      
TOTAL ASSETS 688.3   642.0      
LIABILITIES AND EQUITY            
Current Liabilities 30.1   57.2      
Noncurrent Liabilities 333.1   274.3      
Equity 325.1   310.5      
TOTAL LIABILITIES, MEZZANINE EQUITY AND TOTAL EQUITY 688.3   642.0      
Variable Interest Entity, Primary Beneficiary | AEP Texas Restoration Funding | AEP Texas | Intersegment Eliminations            
ASSETS            
Other Noncurrent Assets $ (5.0)   $ (5.0)