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Related Party Transactions (Tables)
 3 Months Ended
Mar. 31, 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 March 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.
 Three Months
 20232022
PPL Electric from PPL Services
$59 $61 
LG&E from LKS32 39 
LG&E from PPL Services8 — 
KU from LKS41 44 
KU from PPL Services9 — 
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 March 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.
 Three Months
 20232022
PPL Electric from PPL Services
$59 $61 
LG&E from LKS32 39 
LG&E from PPL Services8 — 
KU from LKS41 44 
KU from PPL Services9 — 
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 March 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.
 Three Months
 20232022
PPL Electric from PPL Services
$59 $61 
LG&E from LKS32 39 
LG&E from PPL Services8 — 
KU from LKS41 44 
KU from PPL Services9 —