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Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 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 periods ended September 30, 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.
 Three MonthsNine Months
 2024202320242023
PPL Electric from PPL Services
$53 $52 $159 $166 
LG&E from LKS25 25 82 85 
LG&E from PPL Services15 10 46 30 
KU from LKS31 35 99 110 
KU from PPL Services15 11 45 33 
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 periods ended September 30, 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.
 Three MonthsNine Months
 2024202320242023
PPL Electric from PPL Services
$53 $52 $159 $166 
LG&E from LKS25 25 82 85 
LG&E from PPL Services15 10 46 30 
KU from LKS31 35 99 110 
KU from PPL Services15 11 45 33 
Kentucky Utilities Co [Member]  
Related Party Transactions [Line Items]  
Intercompany Support Cost Allocations PPL Services and LKS charged the following amounts for the periods ended September 30, 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.
 Three MonthsNine Months
 2024202320242023
PPL Electric from PPL Services
$53 $52 $159 $166 
LG&E from LKS25 25 82 85 
LG&E from PPL Services15 10 46 30 
KU from LKS31 35 99 110 
KU from PPL Services15 11 45 33