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Related Party Transactions (Tables)
 6 Months Ended
Jun. 30, 2023
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
 2023202220232022
PPL Electric from PPL Services
$55 $60 $114 $121 
LG&E from LKS28 41 60 80 
LG&E from PPL Services12 — 20 — 
KU from LKS34 42 75 86 
KU from PPL Services13 — 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
 2023202220232022
PPL Electric from PPL Services
$55 $60 $114 $121 
LG&E from LKS28 41 60 80 
LG&E from PPL Services12 — 20 — 
KU from LKS34 42 75 86 
KU from PPL Services13 — 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
 2023202220232022
PPL Electric from PPL Services
$55 $60 $114 $121 
LG&E from LKS28 41 60 80 
LG&E from PPL Services12 — 20 — 
KU from LKS34 42 75 86 
KU from PPL Services13 — 23 —