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Related Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2023
PPL Electric Utilities Corp [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services, PPL EU 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.
 202320222021
PPL Electric from PPL Services$222 $241 $54 
PPL Electric from PPL EU Services— — 222 
LG&E from LKS115 153 169 
LG&E from PPL Services42 13 3 
KU from LKS150 171 179 
KU from PPL Services48 14 3 
Louisville Gas And Electric Co [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services, PPL EU 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.
 202320222021
PPL Electric from PPL Services$222 $241 $54 
PPL Electric from PPL EU Services— — 222 
LG&E from LKS115 153 169 
LG&E from PPL Services42 13 3 
KU from LKS150 171 179 
KU from PPL Services48 14 3 
Kentucky Utilities Co [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services, PPL EU 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.
 202320222021
PPL Electric from PPL Services$222 $241 $54 
PPL Electric from PPL EU Services— — 222 
LG&E from LKS115 153 169 
LG&E from PPL Services42 13 3 
KU from LKS150 171 179 
KU from PPL Services48 14 3