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Related Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2024
PPL Electric Utilities Corp [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services and LKS charged the following amounts for the years ended December 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
 202420232022
PPL Electric from PPL Services$227 $222 $241 
LG&E from LKS105 115 153 
LG&E from PPL Services66 42 13 
KU from LKS130 150 171 
KU from PPL Services65 48 14 
Louisville Gas And Electric Co [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services and LKS charged the following amounts for the years ended December 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
 202420232022
PPL Electric from PPL Services$227 $222 $241 
LG&E from LKS105 115 153 
LG&E from PPL Services66 42 13 
KU from LKS130 150 171 
KU from PPL Services65 48 14 
Kentucky Utilities Co [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services and LKS charged the following amounts for the years ended December 31, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
 202420232022
PPL Electric from PPL Services$227 $222 $241 
LG&E from LKS105 115 153 
LG&E from PPL Services66 42 13 
KU from LKS130 150 171 
KU from PPL Services65 48 14