v3.25.2
Financing Activities - Long-term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Long-term Debt (Numeric) [Abstract]    
Long-term debt due within one year $ 1,219 $ 551
Long-term Debt, Excluding Current Maturities 15,292 15,952
PPL Electric [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 750  
Borrowed 0 0
PPL Capital Funding [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 1,700  
Borrowed 0 0
LGE [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 600  
Borrowed 0 0
KU [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 600  
Borrowed 0 0
PPL Electric Utilities Corp [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 750  
Borrowed 0 0
Long-term Debt, Excluding Current Maturities 5,215 5,214
Louisville Gas And Electric Co [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 600  
Borrowed 0 0
Long-term debt due within one year 300 300
Long-term Debt, Excluding Current Maturities 2,172 2,171
Kentucky Utilities Co [Member]    
Long-term Debt (Numeric) [Abstract]    
Capacity 600  
Borrowed 0 0
Long-term debt due within one year 268 250
Long-term Debt, Excluding Current Maturities $ 2,799 $ 2,816