v3.26.1
Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2026
Income Taxes [Line Items]  
Schedule of Effective Income Tax Rate Reconciliation
Reconciliations of income tax expense (benefit) for the periods ended June 30 are as follows.

(PPL)
Three MonthsSix Months
2026202520262025
Federal income tax on Income Before Income Taxes at statutory tax rate$60 $48 $178 $157 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a)14 15 38 37 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes (11)(7)(25)(23)
AFUDC Equity(6)(3)(13)(8)
Flow-through rate-making (b)(3)(3)(8)(9)
Subtotal(20)(13)(46)(40)
Other2 (3)(6)(5)
Total increase (decrease)(4)(1)(14)(8)
Total income tax expense$56 $47 $164 $149 

(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 June 30 are as follows.
(PPL Electric)
Three MonthsSix Months
2026202520262025
Taxes at statutory tax rate$35 $38 $86 $88 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a)10 12 24 26 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes(2)(2)(4)(5)
AFUDC Equity(3)(2)(5)(3)
Flow-through rate-making (b)(5)(4)(8)(9)
Subtotal(10)(8)(17)(17)
Other2 1 — — 
Total increase (decrease)2 5 7 9 
Total income tax expense$37 $43 $93 $97 

(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 June 30 are as follows.
(LG&E)
Three MonthsSix Months
2026202520262025
Taxes at statutory tax rate$16 $15 $51 $42 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a) 3 3 9 8 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes(2)(2)(8)(7)
AFUDC Equity(1)(1)(3)(2)
Subtotal(3)(3)(11)(9)
Other— (1)— (1)
Total increase (decrease)— (1)(2)(2)
Total income tax expense$16 $14 $49 $40 

(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 June 30 are as follows.
(KU)
Three MonthsSix Months
2026202520262025
Taxes at statutory tax rate$21 $20 $58 $53 
Increase (decrease) due to:
State income taxes, net of federal income tax benefit (a) 4 4 11 9 
Utility rate-making tax adjustments (federal and state):
Amortization of excess deferred income taxes(3)(3)(9)(9)
AFUDC Equity(1)(1)(3)(2)
Subtotal(4)(4)(12)(11)
Other(2)(1)(2)(1)
Total increase (decrease)(2)(1)(3)(3)
Total income tax expense$19 $19 $55 $50