v3.26.3
Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2026
Income Taxes [Line Items]  
Schedule of Effective Income Tax Rate Reconciliation
Reconciliations of income tax expense (benefit) for the periods ended September 30 are as follows:

(PPL)
Three MonthsNine Months
2026202520262025
Federal income tax on Income Before Income Taxes at statutory tax rate$95 $84 $273 $240 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a)24 19 63 57 
Tax credits (federal):
Investment tax credits(3)(3)(9)(7)
Other tax credits(3)— (4)(1)
Subtotal(6)(3)(13)(8)
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes (14)(13)(40)(36)
AFUDC Equity(8)(5)(21)(14)
Flow-through rate-making (b)(5)(3)(13)(12)
Subtotal(27)(21)(74)(62)
Other— 1 1 2 
Total increase (decrease)(9)(4)(23)(11)
Total income tax expense$86 $80 $250 $229 

(a)     Jurisdictions that comprise the majority of state income taxes, net of federal effect, are Kentucky and Pennsylvania.
(b)     Flow-through occurs when the regulator excludes deferred tax expense or benefit from recoverable costs when determining income tax expense.
PPL Electric Utilities Corp [Member]  
Income Taxes [Line Items]  
Schedule of Effective Income Tax Rate Reconciliation
Reconciliations of income tax expense (benefit) for the periods ended September 30 are as follows:
(PPL Electric)
Three MonthsNine Months
2026202520262025
Taxes at statutory tax rate$52 $44 $138 $132 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a)16 13 40 39 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes(2)(3)(6)(7)
AFUDC Equity(3)(2)(8)(5)
Flow-through rate-making (b)(4)(3)(12)(12)
Subtotal(9)(8)(26)(24)
Other(3)— (3)(1)
Total increase (decrease)4 5 11 14 
Total income tax expense$56 $49 $149 $146 

(a)     The jurisdiction that comprises the majority of state income taxes, net of federal effect, is Pennsylvania.
(b)     Flow-through occurs when the regulator excludes deferred tax expense or benefit from recoverable costs when determining income tax expense.
Louisville Gas And Electric Co [Member]  
Income Taxes [Line Items]  
Schedule of Effective Income Tax Rate Reconciliation
Reconciliations of income tax expense (benefit) for the periods ended September 30 are as follows:
(LG&E)
Three MonthsNine Months
2026202520262025
Taxes at statutory tax rate$27 $22 $78 $64 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a) 5 4 14 12 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes(4)(3)(12)(11)
AFUDC Equity(2)(1)(5)(3)
Subtotal(6)(4)(17)(14)
Other— (1)— (1)
Total increase (decrease)(1)(1)(3)(3)
Total income tax expense$26 $21 $75 $61 

(a)     The jurisdiction that comprises the majority of state income taxes, net of federal effect, is Kentucky.
Kentucky Utilities Co [Member]  
Income Taxes [Line Items]  
Schedule of Effective Income Tax Rate Reconciliation
Reconciliations of income tax expense (benefit) for the periods ended September 30 are as follows:
(KU)
Three MonthsNine Months
2026202520262025
Taxes at statutory tax rate$32 $29 $91 $82 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a) 6 5 16 15 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes(5)(4)(14)(14)
AFUDC Equity(2)(1)(5)(3)
Subtotal(7)(5)(19)(17)
Other— (1)(2)(2)
Total increase (decrease)(1)(1)(5)(4)
Total income tax expense$31 $28 $86 $78 

(a)     The jurisdiction that comprises the majority of state income taxes, net of federal effect, is Kentucky.