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Jointly Owned Facilities
 12 Months Ended
Dec. 31, 2022
Jointly Owned Facilities [Line Items]  
Jointly Owned Facilities
(PPL, LG&E and KU)

At December 31, 2022 and 2021, the Balance Sheets reflect the owned interests in the generating plants listed below.
Ownership
Interest		Electric PlantAccumulated
Depreciation		Construction
Work
in Progress
PPL    
 December 31, 2022    
 Trimble County Unit 175.00 %$455 $94 $1 
 Trimble County Unit 275.00 %1,372 276 148 
 December 31, 2021    
 Trimble County Unit 175.00 %$457 $79 $— 
 Trimble County Unit 275.00 %1,360 247 121 
LG&E    
 December 31, 2022    
 E.W. Brown Units 6-738.00 %$53 $25 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 553.00 %51 27 — 
 Trimble County Unit 175.00 %455 94 1 
 Trimble County Unit 214.25 %384 66 78 
 Trimble County Units 5-629.00 %36 16 — 
 Trimble County Units 7-1037.00 %81 36 — 
 Cane Run Unit 722.00 %126 21 2 
 E.W. Brown Solar Unit39.00 %10 3 — 
Solar Share44.00 %3 — — 
 December 31, 2021    
 E.W. Brown Units 6-738.00 %$53 $24 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 553.00 %51 25 — 
 Trimble County Unit 175.00 %457 79 — 
 Trimble County Unit 214.25 %379 57 64 
 Trimble County Units 5-629.00 %36 15 — 
 Trimble County Units 7-1037.00 %81 34 — 
 Cane Run Unit 722.00 %125 19 — 
E.W. Brown Solar Unit39.00 %10 2 — 
Solar Share44.00 %2— — 
KU    
 December 31, 2022    
 E.W. Brown Units 6-762.00 %$87 $42 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 547.00 %45 23 — 
 Trimble County Unit 260.75 %987 210 70 
 Trimble County Units 5-671.00 %84 38 — 
 Trimble County Units 7-1063.00 %133 61 — 
 Cane Run Unit 778.00 %446 77 6 
E.W. Brown Solar Unit61.00 %16 5 — 
 Solar Share56.00 %4 — — 
 December 31, 2021    
 E.W. Brown Units 6-762.00 %$88 $40 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 547.00 %45 22 — 
 Trimble County Unit 260.75 %981 190 57 
 Trimble County Units 5-671.00 %84 36 — 
 Trimble County Units 7-1063.00 %133 57 — 
 Cane Run Unit 778.00 %444 70 — 
E.W. Brown Solar Unit61.00 %16 4 — 
Solar Share56.00 %3 — — 

Each subsidiary owning these interests provides its own funding for its share of the facility. Each receives a portion of the total output of the generating plants equal to its percentage ownership. The share of fuel and other operating costs associated with the plants is included in the corresponding operating expenses on the Statements of Income.
Louisville Gas And Electric Co [Member]  
Jointly Owned Facilities [Line Items]  
Jointly Owned Facilities
(PPL, LG&E and KU)

At December 31, 2022 and 2021, the Balance Sheets reflect the owned interests in the generating plants listed below.
Ownership
Interest		Electric PlantAccumulated
Depreciation		Construction
Work
in Progress
PPL    
 December 31, 2022    
 Trimble County Unit 175.00 %$455 $94 $1 
 Trimble County Unit 275.00 %1,372 276 148 
 December 31, 2021    
 Trimble County Unit 175.00 %$457 $79 $— 
 Trimble County Unit 275.00 %1,360 247 121 
LG&E    
 December 31, 2022    
 E.W. Brown Units 6-738.00 %$53 $25 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 553.00 %51 27 — 
 Trimble County Unit 175.00 %455 94 1 
 Trimble County Unit 214.25 %384 66 78 
 Trimble County Units 5-629.00 %36 16 — 
 Trimble County Units 7-1037.00 %81 36 — 
 Cane Run Unit 722.00 %126 21 2 
 E.W. Brown Solar Unit39.00 %10 3 — 
Solar Share44.00 %3 — — 
 December 31, 2021    
 E.W. Brown Units 6-738.00 %$53 $24 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 553.00 %51 25 — 
 Trimble County Unit 175.00 %457 79 — 
 Trimble County Unit 214.25 %379 57 64 
 Trimble County Units 5-629.00 %36 15 — 
 Trimble County Units 7-1037.00 %81 34 — 
 Cane Run Unit 722.00 %125 19 — 
E.W. Brown Solar Unit39.00 %10 2 — 
Solar Share44.00 %2— — 
KU    
 December 31, 2022    
 E.W. Brown Units 6-762.00 %$87 $42 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 547.00 %45 23 — 
 Trimble County Unit 260.75 %987 210 70 
 Trimble County Units 5-671.00 %84 38 — 
 Trimble County Units 7-1063.00 %133 61 — 
 Cane Run Unit 778.00 %446 77 6 
E.W. Brown Solar Unit61.00 %16 5 — 
 Solar Share56.00 %4 — — 
 December 31, 2021    
 E.W. Brown Units 6-762.00 %$88 $40 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 547.00 %45 22 — 
 Trimble County Unit 260.75 %981 190 57 
 Trimble County Units 5-671.00 %84 36 — 
 Trimble County Units 7-1063.00 %133 57 — 
 Cane Run Unit 778.00 %444 70 — 
E.W. Brown Solar Unit61.00 %16 4 — 
Solar Share56.00 %3 — — 

Each subsidiary owning these interests provides its own funding for its share of the facility. Each receives a portion of the total output of the generating plants equal to its percentage ownership. The share of fuel and other operating costs associated with the plants is included in the corresponding operating expenses on the Statements of Income.
Kentucky Utilities Co [Member]  
Jointly Owned Facilities [Line Items]  
Jointly Owned Facilities
(PPL, LG&E and KU)

At December 31, 2022 and 2021, the Balance Sheets reflect the owned interests in the generating plants listed below.
Ownership
Interest		Electric PlantAccumulated
Depreciation		Construction
Work
in Progress
PPL    
 December 31, 2022    
 Trimble County Unit 175.00 %$455 $94 $1 
 Trimble County Unit 275.00 %1,372 276 148 
 December 31, 2021    
 Trimble County Unit 175.00 %$457 $79 $— 
 Trimble County Unit 275.00 %1,360 247 121 
LG&E    
 December 31, 2022    
 E.W. Brown Units 6-738.00 %$53 $25 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 553.00 %51 27 — 
 Trimble County Unit 175.00 %455 94 1 
 Trimble County Unit 214.25 %384 66 78 
 Trimble County Units 5-629.00 %36 16 — 
 Trimble County Units 7-1037.00 %81 36 — 
 Cane Run Unit 722.00 %126 21 2 
 E.W. Brown Solar Unit39.00 %10 3 — 
Solar Share44.00 %3 — — 
 December 31, 2021    
 E.W. Brown Units 6-738.00 %$53 $24 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 553.00 %51 25 — 
 Trimble County Unit 175.00 %457 79 — 
 Trimble County Unit 214.25 %379 57 64 
 Trimble County Units 5-629.00 %36 15 — 
 Trimble County Units 7-1037.00 %81 34 — 
 Cane Run Unit 722.00 %125 19 — 
E.W. Brown Solar Unit39.00 %10 2 — 
Solar Share44.00 %2— — 
KU    
 December 31, 2022    
 E.W. Brown Units 6-762.00 %$87 $42 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 547.00 %45 23 — 
 Trimble County Unit 260.75 %987 210 70 
 Trimble County Units 5-671.00 %84 38 — 
 Trimble County Units 7-1063.00 %133 61 — 
 Cane Run Unit 778.00 %446 77 6 
E.W. Brown Solar Unit61.00 %16 5 — 
 Solar Share56.00 %4 — — 
 December 31, 2021    
 E.W. Brown Units 6-762.00 %$88 $40 $— 
 Paddy's Run Unit 13 & E.W. Brown Unit 547.00 %45 22 — 
 Trimble County Unit 260.75 %981 190 57 
 Trimble County Units 5-671.00 %84 36 — 
 Trimble County Units 7-1063.00 %133 57 — 
 Cane Run Unit 778.00 %444 70 — 
E.W. Brown Solar Unit61.00 %16 4 — 
Solar Share56.00 %3 — — 

Each subsidiary owning these interests provides its own funding for its share of the facility. Each receives a portion of the total output of the generating plants equal to its percentage ownership. The share of fuel and other operating costs associated with the plants is included in the corresponding operating expenses on the Statements of Income.