v3.25.2
Financing Activities - Short-term Debt (Details) - Commercial Paper [Member] - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Short-term Debt [Line Items]    
Capacity (c) $ 3,150  
Commercial Paper Issuances (d) 1,288 $ 303
Unused Capacity $ 1,862  
PPL Capital Funding [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.66% 4.76%
Capacity (c) $ 1,350  
Commercial Paper Issuances (d) 470 $ 138
Unused Capacity $ 880  
PPL Electric [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.63%  
Capacity (c) $ 650  
Commercial Paper Issuances (d) 385 $ 0
Unused Capacity $ 265  
LGE [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.66% 4.72%
Capacity (c) $ 500  
Commercial Paper Issuances (d) 158 $ 25
Unused Capacity $ 342  
KU [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.66% 4.71%
Capacity (c) $ 400  
Commercial Paper Issuances (d) 275 $ 140
Unused Capacity 125  
Rhode Island Energy    
Short-term Debt [Line Items]    
Capacity (c) 250  
Commercial Paper Issuances (d) 0 0
Unused Capacity $ 250  
PPL Electric Utilities Corp [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.63%  
Capacity (c) $ 650  
Commercial Paper Issuances (d) 385 $ 0
Unused Capacity $ 265  
Louisville Gas And Electric Co [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.66% 4.72%
Capacity (c) $ 500  
Commercial Paper Issuances (d) 158 $ 25
Unused Capacity $ 342  
Kentucky Utilities Co [Member]    
Short-term Debt [Line Items]    
Weighted - Average Interest Rate 4.66% 4.71%
Capacity (c) $ 400  
Commercial Paper Issuances (d) 275 $ 140
Unused Capacity $ 125