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Retirement and Postemployment Benefits (Tables)
 12 Months Ended
Dec. 31, 2025
Defined Benefit Plan Disclosure [Line Items]  
Schedule Of Net Periodic Defined Benefit Costs (Credits)
The following table provides the components of net periodic defined benefit costs (credits) for PPL's pension and other postretirement benefit plans for the years ended December 31.
 Pension BenefitsOther Postretirement Benefits
 202520242023202520242023
Net periodic defined benefit costs (credits):      
Service cost$31 $35 $34 $6 $6 $6 
Interest cost185 183 188 30 29 30 
Expected return on plan assets(287)(299)(309)(30)(30)(30)
Amortization of:      
Prior service cost (credit)— 3 6 2 1 1 
Actuarial (gain) loss18 10 2 (4)(5)(5)
Net periodic defined benefit costs (credits) $(53)$(68)$(79)$4 $1 $2 
Other Changes in Plan Assets and Benefit Obligations Recognized in OCI and Regulatory Assets/Liabilities - Gross:
Net (gain) loss$27 $134 $193 $— $1 $(6)
Prior service cost (credit)(5)(13)2 2 — — 
Amortization of:      
Prior service (cost) credit— (3)(6)(2)(1)(1)
Actuarial gain (loss)(18)(10)(2)4 5 5 
Total recognized in OCI and regulatory assets/liabilities4 108 187 4 5 (2)
Total recognized in net periodic defined benefit costs, OCI and regulatory assets/liabilities$(49)$40 $108 $8 $6 $— 
Schedule of Amounts Recognized in Other Comprehensive Income and Regulatory Assets and Liabilities
For PPL's pension and postretirement benefits, the amounts recognized in OCI and regulatory assets/liabilities for the years ended December 31 were as follows:
 Pension BenefitsOther Postretirement Benefits
 202520242023202520242023
OCI$21 $25 $52 $2 $2 $— 
Regulatory assets/liabilities(17)83 135 2 3 (2)
Total recognized in OCI and regulatory
assets/liabilities		$4 $108 $187 $4 $5 $(2)
Defined Benefit Plan Assumptions and Impact of One Point Change on Postretirement Plans
The following weighted-average assumptions were used in the valuation of the benefit obligations at December 31.
 Pension BenefitsOther Postretirement Benefits
 2025202420252024
PPL    
Discount rate5.72 %5.93 %5.74 %5.91 %
Rate of compensation increase3.43 %3.43 %3.43 %3.44 %
 
The following weighted-average assumptions were used to determine the net periodic defined benefit costs for the years ended December 31.
 Pension BenefitsOther Postretirement Benefits
 202520242023202520242023
PPL      
Discount rate 5.93 %5.52 %5.52 %5.91 %5.54 %5.54 %
Rate of compensation increase3.43 %3.43 %3.43 %3.44 %3.43 %3.43 %
Expected return on plan assets (a)8.25 %8.25 %8.25 %7.27 %7.28 %7.38 %

(a)The expected long-term rates of return for pension and other postretirement benefits are based on management's projections using a best-estimate of expected returns, volatilities and correlations for each asset class. Each plan's specific current and expected asset allocations are also considered in developing a reasonable return assumption.

The following table provides the assumed health care cost trend rates for the years ended December 31:
 202520242023
PPL    
Health care cost trend rate assumed for next year   
– obligations7.50 %7.00 %6.25 %
– cost7.00 %6.25 %6.50 %
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)   
– obligations4.50 %5.00 %5.00 %
– cost5.00 %5.00 %5.00 %
Year that the rate reaches the ultimate trend rate   
– obligations203820332029
– cost 203320292029
Schedule of Funded Status of Defined Benefit Plans
The funded status of PPL's plans at December 31 was as follows:
 Pension BenefitsOther Postretirement Benefits
 2025202420252024
Change in Benefit Obligation    
Benefit Obligation, beginning of period$3,244 $3,454 $523 $538 
Service cost31 35 6 6 
Interest cost185 183 30 29 
Participant contributions— — 8 8 
Plan amendments(5)(13)1 — 
Actuarial (gain) loss77 (131)20 (4)
Gross benefits paid(297)(284)(51)(56)
Federal subsidy— — — 2 
Benefit Obligation, end of period3,235 3,244 537 523 
Change in Plan Assets    
Plan assets at fair value, beginning of period2,936 3,176 417 438 
Actual return on plan assets338 34 51 25 
Employer contributions10 10 11 14 
Participant contributions— — 7 7 
Transfer out (a)— — — (13)
Gross benefits paid(297)(284)(54)(54)
Plan assets at fair value, end of period2,987 2,936 432 417 
Funded Status, end of period$(248)$(308)$(105)$(106)
Amounts recognized in the Balance Sheets consist of:    
Noncurrent asset$44 $19 $9 $8 
Current liability(11)(10)(10)(13)
Noncurrent liability(281)(317)(104)(101)
Net amount recognized, end of period$(248)$(308)$(105)$(106)
Amounts recognized in AOCI and regulatory assets/liabilities (pre-tax) consist of:    
Prior service cost (credit)$(11)$(6)$8 $9 
Net actuarial (gain) loss1,173 1,164 (86)(90)
Total$1,162 $1,158 $(78)$(81)
Total accumulated benefit obligation for defined benefit pension plans$3,105 $3,116   
(a)Transfer of excess funds from the PPL Bargaining Unit Retiree Health Plan VEBA to be used to pay medical claims of active bargaining unit employees.

For PPL's pension and other postretirement benefit plans, the amounts recognized in AOCI and regulatory assets/liabilities at December 31 were as follows:
 Pension BenefitsOther Postretirement Benefits
 2025202420252024
AOCI$304 $283 $18 $16 
Regulatory assets/liabilities858 875 (96)(97)
Total$1,162 $1,158 $(78)$(81)
Schedule of Projected or Accumulated Benefit Obligations In Excess of Plan Assets
The following tables provide information on pension plans where the projected benefit obligation (PBO) or accumulated benefit obligation (ABO) exceed the fair value of plan assets:
 PBO in excess of plan assets
 20252024
Projected benefit obligation$2,704 $2,719 
Fair value of plan assets2,412 2,392 
 ABO in excess of plan assets
 20252024
Accumulated benefit obligation$2,600 $2,618 
Fair value of plan assets2,412 2,392 
Schedules of Asset Allocation of U.S. Pension Trusts Assets
The asset allocation for the trust and the target allocation by portfolio at December 31 are as follows:
 Percentage of trust assets2025
20252024Target Asset
Allocation
Growth Portfolio55 %55 %55 %
Equity securities30 %30 %
Debt securities (a)13 %13 %
Alternative investments12 %12 %
Immunizing Portfolio43 %43 %43 %
Debt securities (a)31 %35 % 
Derivatives (b)12 %8 % 
Liquidity Portfolio2 %2 %2 %
Total100 %100 %100 %

(a)Includes commingled debt funds, which PPL treats as debt securities for asset allocation purposes.
(b)Includes posted collateral to support derivative instruments subject to counterparty risk.
Schedule of Fair Value of Financial Assets for U.S. Pension Plan Assets
The fair value of net assets in the Master Trust by asset class and level within the fair value hierarchy was:
 December 31, 2025December 31, 2024
 Fair Value Measurements UsingFair Value Measurements Using
 TotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3
PPL Services Corporation Master Trust        
Cash and cash equivalents$239 $239 $— $— $212 $212 $— $— 
Equity securities:        
U.S. Equity69 69 — — 63 63 — — 
U.S. Equity fund measured at NAV (a)469 — — — 461 — — — 
International equity fund measured at NAV (a)375 — — — 376 — — — 
Commingled debt measured at NAV (a)464 — — — 461 — — — 
Debt securities:        
U.S. Treasury and U.S. government sponsored
agency		273 273 — — 150 149 1 — 
Corporate753 — 742 11 867 — 848 19 
Other7 — 7 — 13 — 13 — 
Alternative investments:        
Real estate measured at NAV (a)71 — — — 72 — — — 
Private equity measured at NAV (a)122 — — — 114 — — — 
Private credit partnerships measured at NAV (a)20 — — — 16 — — — 
Hedge funds measured at NAV (a)179 — — — 181 — — — 
Derivatives(7)— (7)— (38)— (38)— 
PPL Services Corporation Master Trust assets, at
fair value		3,034 $581 $742 $11 2,948 $424 $824 $19 
Receivables and payables, net (b)69   102    
401(h) accounts restricted for other
postretirement benefit obligations		(116)   (114)   
Total PPL Services Corporation Master Trust
pension assets		$2,987    $2,936    

(a)In accordance with accounting guidance, certain investments that are measured at fair value using the net asset value per share (NAV), or its equivalent, have not been classified in the fair value hierarchy. The fair value amounts presented in the table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.
(b)Receivables and payables, net represents amounts for investments sold/purchased but not yet settled along with interest and dividends earned but not yet received.
Reconciliation of U.S. Pension Trust Assets Classified as Level 3 Included in Earnings
A reconciliation of the Master Trust assets classified as Level 3 at December 31, 2025 is as follows:
Corporate
debt
Balance at beginning of period$19 
Actual return on plan assets: 
Relating to assets sold during the period(1)
Purchases, sales and settlements(7)
Balance at end of period$11 

A reconciliation of the Master Trust assets classified as Level 3 at December 31, 2024 is as follows:
Corporate
debt
Balance at beginning of period$10 
Actual return on plan assets: 
Relating to assets still held at the reporting date(2)
Relating to assets sold during the period7 
Purchases, sales and settlements4 
Balance at end of period$19 
Schedules of Target Allocation of U.S. Other Postretirement Benefit Plans VEBA Trust The asset allocation for the PPL VEBA trusts and the target allocation, by asset class, at December 31 are detailed below.
Percentage of plan assetsTarget Asset
Allocation
 202520242025
Asset Class   
Equity securities46 %45 %45 %
Debt securities (a)48 %49 %49 %
Cash and cash equivalents (b)6 %6 %6 %
Total100 %100 %100 %

(a)Includes commingled debt funds and debt securities.
(b)Includes money market funds.
Schedule of Fair Value of Financial Assets for U.S. Postretirement Benefits
The fair value of assets in the other postretirement benefit plans by asset class and level within the fair value hierarchy was:
 December 31, 2025December 31, 2024
 Fair Value Measurement UsingFair Value Measurement Using
 TotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3
Money market funds$19 $19 $— $— $19 $19 $— $— 
Equity securities:        
Large-cap equity fund measure at NAV (a)75 — — — 71 — — — 
Commingled debt fund measured at NAV (a)82 — — — 78 — — — 
Global equity exchange-traded fund74 74 — — 70 70 — — 
Long-term bond exchange-traded fund75 75 — — 74 74 — — 
Total VEBA trust assets, at fair value325 $168 $— $— 312 $163 $— $— 
Receivables and payables, net (b)(9)   (9)   
401(h) account assets116    114    
Total other postretirement benefit plan assets$432    $417    

(a)In accordance with accounting guidance certain investments that are measured at fair value using the net asset value per share (NAV), or its equivalent, have not been classified in the fair value hierarchy. The fair value amounts presented in the table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.
(b)Receivables and payables represent amounts for investments sold/purchased but not yet settled along with interest and dividends earned but not yet received.
Schedule of Expected Cash Flows - U.S. Defined Benefit Plans - Expected Payments and Related Federal Subsidy
The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid by the plans and the following federal subsidy payments are expected to be received by PPL.
  Other Postretirement
PensionBenefit
Payment		Expected
Federal
Subsidy
2026$307 $50 $— 
2027294 49 — 
2028287 49 — 
2029279 48 — 
2030272 48 — 
2031-20351,271 224 — 
Expected Employer Contributions to U.S. Savings Plans
Substantially all employees of PPL's subsidiaries are eligible to participate in deferred savings plans (401(k)s). Employer contributions to the plans were:
 202520242023
PPL$60 $53 $48 
PPL Electric10 9 8 
LG&E10 8 8 
KU8 6 6 
LKE [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Schedules of Asset Allocation of U.S. Pension Trusts Assets
The asset allocation for the trust and the target allocation by portfolio at December 31 are as follows:
 Percentage of trust assets2025
20252024Target Asset
Allocation
Growth Portfolio55 %55 %55 %
Equity securities30 %30 %
Debt securities (a)13 %13 %
Alternative investments12 %12 %
Immunizing Portfolio43 %43 %43 %
Debt securities (a)31 %35 % 
Derivatives (b)12 %8 % 
Liquidity Portfolio2 %2 %2 %
Total100 %100 %100 %

(a)Includes commingled debt funds, which PPL treats as debt securities for asset allocation purposes.
(b)Includes posted collateral to support derivative instruments subject to counterparty risk.
Schedule of Fair Value of Financial Assets for U.S. Pension Plan Assets
The fair value of net assets in the Master Trust by asset class and level within the fair value hierarchy was:
 December 31, 2025December 31, 2024
 Fair Value Measurements UsingFair Value Measurements Using
 TotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3
PPL Services Corporation Master Trust        
Cash and cash equivalents$239 $239 $— $— $212 $212 $— $— 
Equity securities:        
U.S. Equity69 69 — — 63 63 — — 
U.S. Equity fund measured at NAV (a)469 — — — 461 — — — 
International equity fund measured at NAV (a)375 — — — 376 — — — 
Commingled debt measured at NAV (a)464 — — — 461 — — — 
Debt securities:        
U.S. Treasury and U.S. government sponsored
agency		273 273 — — 150 149 1 — 
Corporate753 — 742 11 867 — 848 19 
Other7 — 7 — 13 — 13 — 
Alternative investments:        
Real estate measured at NAV (a)71 — — — 72 — — — 
Private equity measured at NAV (a)122 — — — 114 — — — 
Private credit partnerships measured at NAV (a)20 — — — 16 — — — 
Hedge funds measured at NAV (a)179 — — — 181 — — — 
Derivatives(7)— (7)— (38)— (38)— 
PPL Services Corporation Master Trust assets, at
fair value		3,034 $581 $742 $11 2,948 $424 $824 $19 
Receivables and payables, net (b)69   102    
401(h) accounts restricted for other
postretirement benefit obligations		(116)   (114)   
Total PPL Services Corporation Master Trust
pension assets		$2,987    $2,936    

(a)In accordance with accounting guidance, certain investments that are measured at fair value using the net asset value per share (NAV), or its equivalent, have not been classified in the fair value hierarchy. The fair value amounts presented in the table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.
(b)Receivables and payables, net represents amounts for investments sold/purchased but not yet settled along with interest and dividends earned but not yet received.
Reconciliation of U.S. Pension Trust Assets Classified as Level 3 Included in Earnings
A reconciliation of the Master Trust assets classified as Level 3 at December 31, 2025 is as follows:
Corporate
debt
Balance at beginning of period$19 
Actual return on plan assets: 
Relating to assets sold during the period(1)
Purchases, sales and settlements(7)
Balance at end of period$11 

A reconciliation of the Master Trust assets classified as Level 3 at December 31, 2024 is as follows:
Corporate
debt
Balance at beginning of period$10 
Actual return on plan assets: 
Relating to assets still held at the reporting date(2)
Relating to assets sold during the period7 
Purchases, sales and settlements4 
Balance at end of period$19 
PPL Electric Utilities Corp [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Funded Status of Defined Benefit Plans Allocations to PPL Electric resulted in assets/(liabilities) at December 31 as follows:
 20252024
Pension$(62)$(83)
Other postretirement benefits(53)(60)
Louisville Gas And Electric Co [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Funded Status of Defined Benefit Plans Allocations to LG&E resulted in assets/(liabilities) at December 31 as follows:
20252024
Pension$46 $29 
Other postretirement benefits(46)(44)
Kentucky Utilities Co [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Funded Status of Defined Benefit Plans Allocations to KU resulted in assets/(liabilities) at December 31 as follows.
 20252024
Pension$56 $46 
Other postretirement benefits(10)(8)