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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2025
Summary of Significant Accounting Policies [Line Items]  
Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow
Capitalized Interest Table Text Block Capitalized interest, including the debt component of AFUDC, for the years ended December 31 is as follows:
202520242023
PPL$32 $20 $12 
PPL Electric 13 9 7 
LG&E6 3 1 
KU8 4 1 
Weighted-average Rates of Depreciation
Following are the weighted-average annual rates of depreciation, for regulated utility plant, for the years ended December 31:
202520242023
PPL3.06 %3.20 %3.26 %
PPL Electric2.46 %2.52 %2.62 %
LG&E3.69 %4.02 %4.00 %
KU3.68 %3.86 %3.95 %
Schedule of Utility Inventory
"Fuel, materials and supplies" on the Balance Sheets consisted of the following at December 31:
2025
 PPLPPL ElectricLG&EKU
Fuel$157 $— $58 $99 
Natural gas stored underground50 — 33 — 
Materials and supplies344 151 69 84 
Total$551 $151 $160 $183 

 2024
 PPLPPL ElectricLG&EKU
Fuel$153 $— $64 $89 
Natural gas stored underground49 — 29 — 
Materials and supplies309 104 64 84 
Total$511 $104 $157 $173 
Schedule of Valuation and Qualifying Accounts Disclosure
The changes in the allowance for doubtful accounts are included in the following table. Amounts relate to financing receivables, except as noted.
Additions
Balance at
Beginning of Period		Charged to IncomeDeductions (a)Balance at
End of Period
PPL   
2025$154 $84 $98 $140 (b)
2024130 109 85 154 (b)
202395 87 52 130 (b)
PPL Electric
   
2025$41 $33 $35 $39 (c)
202450 56 65 41 (c)
202333 52 35 50 (c)
LG&E   
2025$3 $4 $2 $5 
20246 4 7 3 
20234 4 2 6 
KU   
2025$2 $5 $3 $4 
20242 4 4 2 
20233 3 4 2 

(a)Primarily related to uncollectible accounts written off.
(b)Includes $43 million, $39 million and $41 million related to other accounts receivable at December 31, 2025, 2024 and 2023.
(c)Includes $2 million, $2 million and $3 million related to other accounts receivable at December 31, 2025, 2024 and 2023.
PPL Electric Utilities Corp [Member]  
Summary of Significant Accounting Policies [Line Items]  
Intercompany tax receivables (payables)
At December 31, the following intercompany tax payables were recorded:
20252024
PPL Electric$(27)$(2)
LG&E(7)(2)
KU(10)(5)
Louisville Gas And Electric Co [Member]  
Summary of Significant Accounting Policies [Line Items]  
Intercompany tax receivables (payables)
At December 31, the following intercompany tax payables were recorded:
20252024
PPL Electric$(27)$(2)
LG&E(7)(2)
KU(10)(5)
Kentucky Utilities Co [Member]  
Summary of Significant Accounting Policies [Line Items]  
Intercompany tax receivables (payables)
At December 31, the following intercompany tax payables were recorded:
20252024
PPL Electric$(27)$(2)
LG&E(7)(2)
KU(10)(5)