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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2025
Goodwill and Other Intangible Assets [Line Items]  
Goodwill Rollforward
Other Intangible Assets
The gross carrying amount and the accumulated amortization of other intangible assets were:
 December 31, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Subject to amortization:    
Contracts (a)$125 $124 $125 $116 
Renewable Energy Credits24 — 20 — 
Land rights and easements445 139 432 147 
Licenses and other2 — 2 — 
Total subject to amortization596 263 579 263 
Not subject to amortization due to indefinite life:    
Land rights and easements18 — 18 — 
Total not subject to amortization due to indefinite life18 — 18 — 
Total$614 $263 $597 $263 

(a)Gross carrying amount includes the fair value at the acquisition date of the OVEC power purchase contract with terms favorable to market recognized as a result of the 2010 acquisition of LKE by PPL.
Amortization Expense, Excluding Consumption of Emission Allowances / Renewable Energy Credits
Amortization expense was as follows:   
 202520242023
Intangible assets with no regulatory offset$5 $5 $5 
Intangible assets with regulatory offset8 8 9 
Total$13 $13 $14 
Future Amortization Expense
Amortization expense for each of the next five years is estimated to be:
 20262027202820292030
Intangible assets with no regulatory offset$5 $5 $5 $5 $5 
Intangible assets with regulatory offset1 — — — — 
Total$6 $5 $5 $5 $5 
PPL Electric Utilities Corp [Member]  
Goodwill and Other Intangible Assets [Line Items]  
Other Intangible Assets
The gross carrying amount and the accumulated amortization of other intangible assets were:
 December 31, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Subject to amortization:    
Land rights and easements$408 $145 $396 $141 
Licenses and other2 1 2 1 
Total subject to amortization410 146 398 142 
Not subject to amortization due to indefinite life:    
Land rights and easements18 — 18 — 
Total$428 $146 $416 $142 
Amortization Expense, Excluding Consumption of Emission Allowances / Renewable Energy Credits
Amortization expense was as follows:
 202520242023
Intangible assets with no regulatory offset$4 $4 $4 
Future Amortization Expense
Amortization expense for each of the next five years is estimated to be:
 20262027202820292030
Intangible assets with no regulatory offset$4 $4 $4 $4 $4 
Louisville Gas And Electric Co [Member]  
Goodwill and Other Intangible Assets [Line Items]  
Other Intangible Assets
The gross carrying amount and the accumulated amortization of other intangible assets were:
 December 31, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Subject to amortization:    
Land rights and easements (a)$8 $(2)$7 $2 
OVEC power purchase agreement (b)86 85 86 79 
Total subject to amortization$94 $83 $93 $81 

(a)    December 31, 2025 accumulated amortization includes salvage proceeds related to a land sale in excess of the related accumulated amortization.
(b)    Gross carrying amount represents the fair value at the acquisition date of the OVEC power purchase contract recognized as a result of the 2010 acquisition by PPL. An offsetting regulatory liability was recorded related to this contract, which is being amortized over the same period as the intangible asset, eliminating any income statement impact. See Note 7 for additional information.
Amortization Expense, Excluding Consumption of Emission Allowances / Renewable Energy Credits
Amortization expense was as follows:
 202520242023
Intangible assets with regulatory offset$6 $6 $6 
Future Amortization Expense
Amortization expense for each of the next five years is immaterial.
Kentucky Utilities Co [Member]  
Goodwill and Other Intangible Assets [Line Items]  
Other Intangible Assets
The gross carrying amount and the accumulated amortization of other intangible assets were:
 December 31, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Subject to amortization:    
Land rights and easements (a)$30 $(3)$29 $4 
OVEC power purchase agreement (b)39 38 39 36 
Total subject to amortization$69 $35 $68 $40 

(a)    December 31, 2025 accumulated amortization includes salvage proceeds related to a land sale in excess of the related accumulated amortization.
(b)    Gross carrying amount represents the fair value at the acquisition date of the OVEC power purchase contract recognized as a result of the 2010 acquisition by PPL. An offsetting regulatory liability was recorded related to this contract, which is being amortized over the same period as the intangible asset, eliminating any income statement impact. See Note 7 for additional information.
Amortization Expense, Excluding Consumption of Emission Allowances / Renewable Energy Credits
Amortization expense was as follows:
 202520242023
Intangible assets with regulatory offset$2 $2 $3 
Future Amortization Expense
Amortization expense for each of the next five years is estimated to be immaterial.