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Related Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2025
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.
 202520242023
PPL Electric from PPL Services$261 $227 $222 
LG&E from LKS113 105 115 
LG&E from PPL Services135 66 42 
KU from LKS141 130 150 
KU from PPL Services131 65 48 
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.
 202520242023
PPL Electric from PPL Services$261 $227 $222 
LG&E from LKS113 105 115 
LG&E from PPL Services135 66 42 
KU from LKS141 130 150 
KU from PPL Services131 65 48 
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.
 202520242023
PPL Electric from PPL Services$261 $227 $222 
LG&E from LKS113 105 115 
LG&E from PPL Services135 66 42 
KU from LKS141 130 150 
KU from PPL Services131 65 48