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Related Party Transactions (Tables)
 6 Months Ended
Jun. 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 June 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 MonthsSix Months
 2024202320242023
PPL Electric from PPL Services
$53 $55 $109 $114 
LG&E from LKS28 28 57 60 
LG&E from PPL Services20 12 31 20 
KU from LKS30 34 68 75 
KU from PPL Services19 13 30 23 
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 June 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 MonthsSix Months
 2024202320242023
PPL Electric from PPL Services
$53 $55 $109 $114 
LG&E from LKS28 28 57 60 
LG&E from PPL Services20 12 31 20 
KU from LKS30 34 68 75 
KU from PPL Services19 13 30 23 
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 June 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 MonthsSix Months
 2024202320242023
PPL Electric from PPL Services
$53 $55 $109 $114 
LG&E from LKS28 28 57 60 
LG&E from PPL Services20 12 31 20 
KU from LKS30 34 68 75 
KU from PPL Services19 13 30 23