Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Period Over Which Distribution Adjustment Charge-related Costs Are amortized Period Over Which Distribution Adjustment Charge-related Costs Are amortized Period over which Distribution Adjustment Charge-related qualified remediation costs are amortized. Approved capital spend for paving O&M Approved Additional potential capital spend on FY 2025 Gas ISR Plan for paving O&M Amount additional potential of capital spend on FY 2025 Gas ISR Plan for paving O&M. approved by RIPUC on April 1, 2024. Gas supply clause [Member] Asset Recoverable Gas Costs [Member] Trading Arrangement: Trading Arrangement [Axis] Maximum [Member] Maximum [Member] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Assets [Abstract] Offsetting Derivative Assets [Abstract] Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Domestic Tax Authority [Member] Income Tax Jurisdiction, Domestic Federal [Member] Title of 12(b) Security Title of 12(b) Security Carrying Amount [Member] Reported Value Measurement [Member] Subsequent Event [Member] Subsequent Event [Member] Net income (loss) available to PPL common shareowners - Diluted Net Income (Loss) Available to Common Stockholders, Diluted Derivative Instruments, Gain (Loss) By Hedging Relationship, By Income Statement Location, By Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Wholesale - municipal [Member] Wholesale Municipal [Member] Municipalities who purchase services for the purpose of providing services to its citizens. Rhode Island Energy Rhode Island Energy [Member] Rhode Island Energy Notes Payable, Related Party, Type [Extensible Enumeration] Notes Payable, Related Party [Extensible Enumeration] Adjustment to Compensation, Amount Adjustment to Compensation Amount Cash collateral posted to counterparties Other Assets, Fair Value Disclosure Transition Service Agreement Cost Transition Service Agreement Expense Expense for the period for TSA costs related to Rhode Island Acquisition Segment Reporting [Abstract] Segment Reporting [Abstract] Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Defined Benefits Retirement Benefits [Text Block] Business Combination, Integration-Related Cost, Expense Business Combination, Integration-Related Cost, Expense Maximum exposure Guarantor Obligations, Maximum Exposure, Undiscounted Derivative Credit Risk Related Contingent Features [Table] Derivative Credit Risk Related Contingent Features [Table] Schedule of credit-risk-related contingent features related to derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) that are in a net liability position at the end of the reporting period. First Mortgage Bonds Due 2053 First Mortgage Bonds Due 2053 [Member] First Mortgage Bonds Due 2053 Proceeds from the sale of investments Proceeds from Sale, Maturity and Collection of Investments Utility Rate-Making Tax Adjustments (Federal and State), Percent Utility Rate-Making Tax Adjustments (Federal and State), Percent Utility Rate-Making Tax Adjustments (Federal and State), Percent Gain (Loss) Reclassified from AOCI into Income Derivative Instruments, Gain (Loss) Reclassified From Accumulated OCI Into Income, Before Tax The pre-tax gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. Derivative Instrument Risk [Axis] Derivative Instrument [Axis] FY 2025 Electrical ISR Plan Component [Axis] FY 2025 Electrical ISR Plan Component [Axis] FY 2025 Electrical ISR Plan Component Public Utilities, Requested Rate Increase (Decrease), Amended, Amount Public Utilities, Requested Rate Increase (Decrease), Amended, Amount Fair Value By Measurement Frequency [Axis] Measurement Frequency [Axis] Sales proceeds, net of realized foreign currency hedge losses Proceeds from Divestiture of Businesses Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Purchases of Accounts Receivable Purchases of Accounts Receivable Represents purchases, under a PUC-approved program, of certain accounts receivable from alternative provider of last resort suppliers at a nominal discount, which reflects a provision for uncollectible accounts. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] AFUDC - equity component AFUDC - equity component Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity Reconciliation of Income Tax Expense [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Property, Plant and Equipment, net Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Capital Investment Spend on FY 2027 Electric ISR Plan Capital Investment Spend on FY 2027 Electric ISR Plan Capital Investment Spend on FY 2027 Electric ISR Plan Amortization Amortization Leases [Abstract] Leases [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] A summary of the various accounting policy disclosures. Total Noncurrent Assets Business Combination, Recognized Asset Acquired, Asset, Noncurrent Equity Distribution Agreement [Domain] Equity Distribution Agreement [Domain] Equity Distribution Agreement [Domain] Regulatory Asset Amortization Period Regulatory Asset, Amortization Period First Mortgage Bonds Due 2033 and 2053 First Mortgage Bonds Due 2033 and 2053 [Member] First Mortgage Bonds Due 2033 and 2053 Related Party Transactions Related Party Transactions Disclosure [Text Block] Total Cash, Cash Equivalents and Restricted Cash Total Cash, Cash Equivalents and Restricted Cash, Fair Value Total fair value of cash, cash equivalents and restricted cash as of the period ended. Foreign Currency Risk - Economic Activity (Numeric) [Abstract] Foreign Currency Derivative Instruments Not Designated as Hedging Instruments [Abstract] Senior Notes Due 2020 [Member] Senior Notes Due 2020 [Member] Senior Notes Due 2020 Gas Contracts, Liability, Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Guarantee By Description [Axis] Guarantee By Description [Axis] Information about guarantees and other assurances by description. Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Cash and cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Amounts Reclassified From Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Deferred Credits and Other Noncurrent Liabilities Liabilities, Noncurrent [Abstract] Other intangibles Intangible Asset, Excluding Goodwill, after Accumulated Amortization Junior Subordinated Notes due 2073 Junior Subordinated Notes due 2073 [Member] Junior Subordinated Notes due 2073 Total Projected Cost of Information Technology Upgrades Total Projected Cost of Information Technology Upgrades Total Projected Cost of Information Technology Upgrades Estimated Amount of Refund Related to the FERC-Mandated Reduction in ROE Estimated Amount of Refund Related to the FERC-Mandated Reduction in ROE Estimated Amount of Refund Related to the FERC-Mandated Reduction in ROE Amount of alleged improper distribution Amount Of Alleged Improper Distribution The amount of the alleged improper distribution of the proceeds from the November 2014 sale of Talen Montana's (then PPL Montana's) hydroelectric generating facilities to PPL's subsidiaries. Retirement Benefits [Abstract] Retirement Benefits [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount PPL Electric Billing Issue, Civil Penalty to be Paid PPL Electric Billing Issue, Civil Penalty to be Paid Civil penalty to be paid as part of the settlement agreement with the PAPUC's Bureau of Investigations & Enforcement in regards to a billing issue at PPL Electric during December 2022 through January 2023. Balance at Beginning of Period Balance at End of Period Asset Retirement Obligation Guarantee By Description [Domain] Guarantee By Description [Domain] Description of specific guarantees and other assurances. Number of Reportable Segments Number of Reportable Segments Liabilities, Current, Total Liabilities, Current Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] LTCS Renewable Energy Contract, Second Solicitation, Power LTCS Renewable Energy Contract, Second Solicitation, Power Amount of power (in megawatts) contracted to purchase as part of the second solicitation required by the Rhode Island Long-Term Contracting Standard Net cash provided by (used in) investing activities - continuing operations Cash Provided by (Used in) Investing Activity, Continuing Operation Equity Units, Common Stock Applicable Market Value, Low Point Equity Units, Common Stock Applicable Market Value, Low Point The applicable market value of PPL Common Stock, which is the average of the volume-weighted average price on each trading date during the 20 consecutive schedule trading day period ending on, and including, the third scheduled trading day prior to the Purchas Contract Settlement Date included in the PPL Corporate Units, at which the maximum number of common stock shares would need to be delivered to satisfy the corporate unit purchase obligations. LTCS Renewable Energy Contract, First Solicitation, Power LTCS Renewable Energy Contract, First Solicitation, Power Amount of power (in megawatts) contracted to purchase as part of the first solicitation required by the Rhode Island Long-Term Contracting Standard. Income Taxes [Table] Income Taxes [Table] Describes the details pertaining to income taxes. Energy purchases Purchased Power And Gas Costs incurred for purchased power and purchased gas charged against earnings for the period. Prior Service Costs [Member] Accumulated Defined Benefit Plans Prior Service Costs [Member] Changes to accumulated comprehensive income related to prior service costs. Demand Side Management [Member] Demand Side Management [Member] The costs associated with reducing electricity use through activities or programs that promote electric energy efficiency or conservation, or more efficient management of electric energy loads. Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Depreciation and other items not normalized Depreciation Not Normalized The portion of the difference between total income tax expense (benefit) as reported in the Income Statement and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the state regulatory treatment of depreciation-related timing differences. Lease Cost [Abstract] Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Derivatives, Offsetting Fair Value Amounts, Policy Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] By Company [Domain] By Company [Domain] All the names of the companies being reported upon in a document. AMF Program Project Life, Years AMF Program Project Life, Years The total project life of the Advanced Metering Functionality program in years. Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Reconciliation of Revenue from Contracts with Customers [Table Text Block] Reconciliation of revenue from contracts with customers [Table Text Block] [Table Text Block] for Reconciliation of revenue from contracts with customers [Table] Interest rate on outstanding borrowing Line of Credit Facility, Interest Rate at Period End Commodity Purchases [Line Items] commodity purchases [Line Items] commodity purchases [Line Items] Recovery Cap on Capital Investment Related to AMF Program Recovery Cap on Capital Investment Related to AMF Program The overall multi-year cap on recovery through the ISR process for the RIPUC approved capital investment related to the AMF-based metering system for the electric distribution business of RIE. Derivative Credit Risk Related Contingent Features [Line Items] Derivative Credit Risk Related Contingent Features [Line Items] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Cane Run BESS Cane Run BESS [Member] Cane Run BESS proposal included in the 2025 CPCN. Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract] Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract] Regulatory Liabilities as a result of Acquisition commitments [Domain] Regulatory Liabilities as a result of Acquisition commitments [Domain] Regulatory Liabilities as a result of Acquisition commitments [Domain] Total other comprehensive income (loss) Other comprehensive income (loss) Net OCI during the period Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] CPCN NGCC Combustion Turbine Facilities Power CPCN NGCC Combustion Turbine Facilities Power CPCN NGCC Combustion Turbine Facilities Power UNITED STATES U.S. UNITED STATES Schedule Of Regulatory Items With Shared Characteristics [Axis] Schedule Of Regulatory Items With Shared Characteristics [Axis] Schedule Of Regulatory Items With Shared Characteristics Effective Income Tax Rate Reconciliation, Tax Credit, Percent Effective Income Tax Rate Reconciliation, Tax Credit, Percent Net assets Disposal Group, Including Discontinued Operation, Net Assets Net assets attributable to disposal group held for sale or disposed of. Dividends [Domain] Dividends [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Long Term Debt Details [Table] Schedule of Long-Term Debt Instruments [Table] Public Utilities, Requested Rate Increase (Decrease), Amended, Percentage Public Utilities, Requested Rate Increase (Decrease), Amended, Percentage Regulatory Liability due to ROE Reserve, Before Tax Regulatory Liability due to ROE Reserve, Before Tax The amount of pre-tax regulatory liability increase due to return on equity reserve challenge. Issuance of term loan Proceeds From Issuance Of Term Loans Short Term Debt Maturing In More Than Three Months The cash inflow from term loans having a initial term of repayment of more than three months but less than one year or one operating cycle (if the normal operating cycle is more than one year). Environmental cost recovery Environmental Restoration Costs [Member] Other Current Liabilities Business Combination, Recognized Liability Assumed, Other Liability, Current Segment and Related Information Segment Reporting [Table Text Block] Approved Capital Investment Spend on FY 2027 Electric ISR Plan Approved Capital Investment Spend on FY 2027 Electric ISR Plan Approved Capital Investment Spend on FY 2027 Electric ISR Plan Impairment of assets held for sale Impairment of Long-Lived Assets to be Disposed of Related Party [Axis] Related and Nonrelated Parties [Axis] Rhode Island Energy TSA Rhode Island Energy TSA [Member] Expenses related to Rhode Island Energy TSA Offsetting Assets And Liabilities [Line Items] Offsetting Assets And Liabilities [Line Items] Environmental Matters - Water/Waste - Coal Combustion Residuals (Numeric) [Abstract] Environmental Matters Water Waste Coal Combustion Residuals Numeric [Abstract] Lancaster Lancaster [Member] Lancaster LTCS Renewable Energy Contract, Fourth Solicitation, Power LTCS Renewable Energy Contract, Fourth Solicitation, Power Amount of power (in megawatts) contracted to purchase as part of the fourth solicitation required by the Rhode Island Long-Term Contracting Standard LoC Beneficiary [Domain] LoC Beneficiary [Domain] LoC Beneficiary [Domain] Intercompany note with affiliate maximum borrowing capacity Intercompany Note Affiliate Maximum Borrowing Capacity Maximum loan capacity under the revolving demand note agreement with an affiliate of the reporting entity. Act 129 Compliance Rider [Member] Act 129 Compliance Rider [Member] Costs incurred in for implementing programs regarding energy efficiency and conservation. These costs are included in allowable costs for rate making purposes. These costs are part of an over-or-under recovery mechanism. Proposed Contingency Plan Spend on FY 2025 Gas ISR Plan Proposed Additional Contingency Plan Spend on FY 2025 Gas ISR Plan Amount to additional spend on the FY 2025 Gas plan as required by the RIPUC, contingent on Pipeline and Hazardous Material Safety Administration potential enactment of regulations during FY 2025. Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] Total Current Liabilities Business Combination, Recognized Liability Assumed, Liability, Current Document Period End Date Document Period End Date Asset Retirement Obligations [Member] Asset Retirement Obligation Costs [Member] Discontinued Operations, Held-for-sale Discontinued Operations, Held-for-Sale [Member] Current liabilities held for sale Total Liabilities Disposal Group, Including Discontinued Operation, Liabilities, Current Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Gas Rates Gas Rates [Member] Gas Rates Environmental Matters [Line Items] Environmental Matters [Line Items] Principal amount Debt Instrument, Face Amount Basic EPS - Available to PPL common shareowners: [Abstract] Earnings Per Share, Basic [Abstract] Less: fair value of assumed long-term debt outstanding, net Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent Debt instrument term (in years) Debt Instrument, Term Treasury Stock Treasury Stock, Common, Value Revenue from Contracts with Customers [Table] Revenue from contracts with customers [Table] Revenue from contracts with customers [Table] Total exposure hedged related to foreign currency contracts for anticipated earnings hedges classified as economic activity Total Exposure Hedged Foreign Currency Contracts Classified As Economic Activity Total exposure hedged through a combination of average rate forwards and average rate options foreign currency contracts for anticipated earnings hedges classified as economic activity. Reclassification Out Of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Legal Matters - Cane Run Environmental Claims (Numeric) [Abstract] Legal Matters Cane Run Environmental Claims Numeric [Abstract] Joint Venture Ownership Percentage, PPL Joint Venture Ownership Percentage, PPL The percentage of ownership of the joint venture between PPL and Blackstone Infrastructure to build, own and operate new electricity generation stations in Pennsylvania held by PPL. Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Business Combination, Separately Recognized Transaction [Axis] Business Combination, Separately Recognized Transaction [Axis] Accumulated other comprehensive loss Balance at beginning of period Balance at end of period Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Nature of Separate Transaction [Axis] Nature of Separate Transaction [Axis] Description of how the separate transaction relates to a business combination. Unaffiliated Third Party Entity [Member] Unaffiliated Third Party Entity [Member] An entity or party to a transaction that is not affiliated with the reporting entity. Mill Creek Unit 2 Mill Creek Unit 2 [Member] A electric generating unit named Mill Creek Unit 2, owned by LG&E. Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Equity Units Issued, Over-allotments Equity Units Issued, Over-allotments The total number of equity units issued to cover over-allotments made by underwriters. May 2024 Kentucky Storm May 2024 Kentucky Storm [Member] May 2024 Kentucky Storm Earnings Per Share Earnings Per Share [Text Block] Unbilled revenues Unbilled Contracts Receivable Earnings Per Share of Common Stock: Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Common Stock Aggregate Sales Price Common Stock Aggregate Sales Price Aggregate amount of common stock that the company may sell from time to time based on equity distribution agreements. Other [Member] Other [Member] Customers who purchase services for miscellaneous purposes. Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Maximum exposure is not estimable Guarantor Obligations, Maximum Exposure Inestimable PPL Electric Utilities Corp [Member] PPL ELECTRIC UTILITIES CORP [Member] A direct subsidiary of PPL and a regulated public utility. PPL Electric delivers electricity in its Pennsylvania service territory and provides electricity supply to retail customers in that territory as a provider of last resort under the Customer Choice Act. Financial Guarantee [Member] Financial Guarantee [Member] CPCN Solar Photovoltaic Facility to be acquired, Power CPCN Solar Photovoltaic Facility to be acquired, Power CPCN Solar Photovoltaic Facility to be acquired, Power Trading Symbol Trading Symbol Derivative Instrument Additional Information [Domain] Derivative Instrument Additional Information [Domain] [Domain] for Additional Information By Type of Derivative Contract Federal Energy Regulatory Commsion [Member] Federal Energy Regulatory Commission [Member] Federal Energy Regulatory Commission Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow Statement [Table] Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Table] Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Table] First Mortgage Bonds, Floating Rate Series due 2023 [Member] First Mortgage Bonds, Floating Rate Series due 2023 [Member] First Mortgage Bonds, Floating Rate Series due 2023 Total Increase Decrease To Taxes At Statutory Tax Rate, Percent Total Increase Decrease To Taxes At Statutory Tax Rate, Percent Total Increase Decrease To Taxes At Statutory Tax Rate, Percent Expenditures for property, plant and equipment Payments to Acquire Property, Plant, and Equipment LTCS Renewable Energy Contract, Third Solicitation, Power LTCS Renewable Energy Contract, Third Solicitation, Power Amount of power (in megawatts) contracted to purchase as part of the third solicitation required by the Rhode Island Long-Term Contracting Standard Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Business Combination, Recognized Asset Acquired and Liability Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Jefferson County Pollution Control Revenue Bonds, 2001 Series B Jefferson County Pollution Control Revenue Bonds, 2001 Series B [Member] Jefferson County Pollution Control Revenue Bonds, 2001 Series B Transaction [Domain] Transaction [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount Operation Utilities Operating Expense [Abstract] Schedule of Indefinite-Lived Intangible Assets [Table] Intangible Asset, Indefinite-Lived [Table] Schedule Of Regulatory Assets [Table] Regulated Operation, Regulatory Asset [Table] Diluted EPS - Available to PPL common shareowners: [Abstract] Earnings Per Share, Diluted [Abstract] Loss from Discontinued Operations (net of income taxes), Basic Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Stock Repurchase Program, Number of Shares Expected to be Repurchased Stock Repurchase Program, Value of Shares Expected to be Repurchased The total monetary value of shares expected to be repurchased by management under a stock repurchase plan. Residential [Member] Residential [Member] Customers who purchase services for private households and apartment buildings. First Mortgage Bonds, Floating Rate Series due 2024 First Mortgage Bonds, Floating Rate Series due 2024 [Member] First Mortgage Bonds, Floating Rate Series due 2024 Kentucky Regulated [Member] Kentucky Regulated [Member] Consists primarily of the activities of LKE's electric generation, transmission and delivery operations primarily in Kentucky and the regulated distribution and sale of natural gas in Kentucky. Guarantee Maximum Exposure PPAs Guarantee Maximum Exposure PPAs Guarantee Maximum Exposure Purchase Power Agreements executed by Safari Cash Flows from Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Guarantee By Entity [Axis] Guarantee By Entity [Axis] Information about guarantees and other assurances detailed by subsidiary, if applicable. Dividends Dividends Payable, Current Intangible Asset, Indefinite-Lived [Line Items] Intangible Asset, Indefinite-Lived [Line Items] Cross Currency Swaps [Member] Cross Currency Swaps [Member] Cross Currency Interest Rate Contract [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Transmission Formula Rate [Member] Transmission Formula Rate [Member] Costs recovery associated with actual transmission costs incurred, a return on transmission plant in service and an incentive return. Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Derivative Gain (Loss) Recognized in OCI Other Comprehensive Income (Loss), Unrealized Gain (Loss) On Derivatives Arising During Period, Pre Tax Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments qualifying as cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Derivative, Nonmonetary Notional Amount, Volume Derivative, Nonmonetary Notional Amount, Volume Line of Credit Facility [Table] Line of Credit Facility [Table] Dividends and dividend equivalents Dividends Non-regulated property, plant and equipment Property, Plant, and Equipment, Other, before Accumulated Depreciation Regulatory Liability due to ROE Reserve, After Tax Regulatory Liability due to ROE Reserve, After Tax The amount of after tax regulatory liability increase due to return on equity reserve challenge. Deferred income taxes and investment tax credits Deferred Income Taxes and Tax Credits Collective Bargaining Agreement Term Collective Bargaining Agreement Term Term, in years, of bargaining agreement FY25 Gas ISR Plan Component [Domain] FY25 Gas ISR Plan Component [Domain] FY25 Gas ISR Plan Component [Domain] Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Business Combination, Total Consideration Business Combination, Total Consideration [Table Text Block] Business Combination, Schedule of Consideration Paid, Fair Value Return of Capital to Parent Return of Capital to Parent Return of Capital to Parent Exchangeable Senior Notes Initial Exchange Rate, Dollars per Share Exchangeable Senior Notes Initial Exchange Rate, Dollars per Share Initial exchange price equivalent in dollars per share for exchangeable senior notes. Accounts receivable from affiliates Increase (Decrease) in Accounts Receivable, Related Parties Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] LKE [Member] Louisville Gas And Electric And Kentucky Utilities Energy LLC [Member] An direct wholly owned subsidiary of PPL, a holding company which owns and operates regulated public utilities engaged in the generation, transmission, distribution and sale of electricity and the distribution and sale of natural gas primarily in Kentucky. Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Tax effect of foreign currency translation adjustments arising during the period OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Award Timing Predetermined Award Timing Predetermined [Flag] Unrecorded Unconditional Purchase Obligation, to be Paid, Years Four and Five Unrecorded Unconditional Purchase Obligation, to be Paid, Years Four and Five Unrecorded Unconditional Purchase Obligation, to be Paid, Years Four and Five Tax Adjustment Items [Axis] Tax Adjustment Type [Axis] Tax Adjustment Type [Axis] Miscellaneous Other Nonoperating Income Expense, Miscellaneous The aggregate amount of other income (expense) amounts, the components of which are not separately disclosed. Regulated utility plant, net Public Utilities, Property, Plant and Equipment, Net PPL Electric Billing Issue donation paid per the settlement PPL Electric Billing Issue donation paid per the settlement PPL Electric Billing Issue donation paid per the settlement Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Net Present Value of Hold Harmless Obligation Net Present Value of Hold Harmless Obligation Net Present Value of Hold Harmless Obligation Effective Income Tax Rate Reconciliation, Tax Credit, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Amount Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Line of Credit Facility, Borrowing Capacity Sublimit, Maximum Line of Credit Facility, Borrowing Capacity Sublimit, Maximum The maximum amount of adjustable borrowing capacity sublimit for a single entity under a given credit facility. Investment tax credits Deferred Investment Tax Credit The noncurrent portion of the deferred investment tax credits as of the balance sheet date. March 2023 Kentucky Wind Storms March 2023 Kentucky Wind Storms [Member] March 2023 Kentucky Wind Storms Return of capital to parent Repayment Of Capital To Parent The cash outflow to parent that was a source of financing that is recorded as additional paid in capital. Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Share-based payment awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Power Purchase Power Purchase [Member] Power Purchase Total After-tax Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Regulated Operations [Abstract] Regulated Operations [Abstract] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] ISR deferral ISR deferral [Member] ISR deferral Public Utilities Expected Capital Costs To Comply Public Utilities Expected Capital Costs To Comply Estimated amount of capitalized costs for construction projects. Guarantee to Aspen Power Maximum Exposure Guarantee to Aspen Power Maximum Exposure Guarantee to Aspen Power Maximum Exposure Defined benefit plan, Net actuarial gain (loss), amounts arising during the period, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Preferred Stock, Par or Stated Value Per Share Preferred Stock, Par or Stated Value Per Share Taxs recoverable through future rates Taxes recoverable through future rates [Member] Taxes recoverable through future rates represent the portion of future income taxes that will be recovered through future rates based upon established regulatory practice. Depreciation Depreciation Accounts receivable and unbilled revenues Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Derivative Net Liability Position Containing Credit Risk Related Contingency Feature Derivative Net Liability Position Containing Credit Risk Related Contingency Feature Derivative Net Liability Position Containing Credit Risk Related Contingency Feature Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Antidilutive Securities Excluded From Computation Of Earnings Per Share, By Antidilutive Securities [Axis] Antidilutive Securities [Axis] Scenario [Domain] Scenario [Domain] FY 2024 Electrical ISR plan component [Domain] FY 2024 Electrical ISR plan component [Domain] FY 2024 Electrical ISR plan component [Domain] Guarantee By Nature [Axis] Guarantor Obligations, Nature [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Change in Regulatory Liability due to ROE Adjustment Regulatory Liability due to ROE Reserve [Member] Regulatory Liability due to ROE Reserve Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2007 Series A Junior Subordinated Notes due 2067 [Member] 2007 Series A Due 2067 [Member] 2007 Series A Due 2067 [Member] Borrowed Long-Term Line of Credit Reclassification, Type [Domain] Reclassification, Type [Domain] Payment of common stock dividends Payments of Ordinary Dividends, Common Stock CPCN New and Adjusted Energy Efficiency Programs, Overall Power Need Reduction CPCN New and Adjusted Energy Efficiency Programs, Overall Power Need Reduction The amount of power need to be reduced by the implementation of proposed new and adjusted energy efficiency programs as part of a CPCN application. Expiration Date Trading Arrangement Expiration Date Long-Term Debt, Maturity, Year Four Long-Term Debt, Maturity, Year Four Hedging Relationship [Axis] Hedging Relationship [Axis] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Derivative instruments - eligible for offset Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Commitment expense description [Domain] Commitment expense description [Domain] Commitment expense description [Domain] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Total Equity Total Equity Equity, Including Portion Attributable to Noncontrolling Interest Nonrelated Party Nonrelated Party [Member] Affiliated Entity [Member] Affiliated Entity [Member] Disposal Group, Including Discontinued Operations [Line Items] Disposal Group, Including Discontinued Operations [Line Items] Foreign Currency Risk - Net Investment Hedges (Numeric) [Abstract] Summary of Net Investment Hedge Activity [Abstract] Net property, plant and equipment not subject to accounting for the effects of certain types of regulation Segment Assets Property Plant And Equipment Not Subject To Effects Of Certain Type Of Regulation Amount of property, plant and equipment of a regulated segment that are not subject to accounting for the effects of certain types of regulation as prescribed by United Stated Generally Accepted Accounting Principles. Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income [Text Block] The entire disclosure of accumulated other comprehensive income (loss). Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net Gain (Loss) on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net Issuance of common stock Proceeds from Issuance of Common Stock FY 2027 Gas ISR Plan Component [Domain] FY 2027 Gas ISR Plan Component [Domain] FY 2027 Gas ISR Plan Component [Domain] Business Combination, Recognized Asset Acquired, Receivable, Current Business Combination, Recognized Asset Acquired, Receivable, Current Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] BESS LG&E Planned Ownership Percentage BESS LG&E Planned Ownership Percentage BESS LG&E Planned Ownership Percentage Common stock, no par value (in dollars per share) Common Stock, No Par Value Maximum Aggregate Liability for Safari Indemnification Maximum Aggregate Liability for Safari Indemnification Maximum Aggregate Liability for Safari Indemnification Corporate Units Stated Amount Corporate Units Stated Amount Stated amount of corporate units issued in the period. Cash Flows from Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Additional Proceeds From Divestiture Of Business Not Included In Selling Price Additional Proceeds From Divestiture Of Business Not Included In Selling Price The cash inflow associated with the additional amount received from the sale of a portion of the company's business that was not included in the contractual selling price. Other Nontrade Receivables, Current Net Income (Loss) Pro Forma Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Delayed Cost Recovery on Main Replacement Program Delayed Cost Recovery on Main Replacement Program Delayed Cost Recovery on Main Replacement Program Deferred Tax Assets, Tax Credit Carryforwards, Used during the period Deferred Tax Assets, Tax Credit Carryforwards, Used during the period Amount of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards used during the period. Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Derivative Positions Eligible for Offset with Related Cash Collateral Offsetting Assets And Liabilities [Table Text Block] Tabular disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements. Segment [Domain] Segments [Domain] Interest Rate Swaps [Member] Interest Rate Swap [Member] Commercial [Member] Commercial [Member] Customers who purchase services for non-manufacturing business establishments. Increase (Decrease) in Regulatory Liabilities Increase (Decrease) in Regulatory Liabilities Financing Activities Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Notes Receivable from affiliates Financing Receivable, after Allowance for Credit Loss Deferred revenue Deferred revenue [Member] Deferred revenue Electric Rates Electric Rates [Member] Electric Rates Transmission [Member] Transmission [Member] Transmission [Member] Business Combination [Table] Business Combination [Table] Mergers, Acquisitions and Dispositions Disclosures Mergers, Acquisitions and Dispositions Disclosures [Text Block] Year 2 Year 2 [Member] Year 2 PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount September 2024 KY Storm [Member] September 2024 KY Storm [Member] September 2024 KY Storm Long-Term Debt, Maturity, after Year Five Long-Term Debt, Maturity, after Year Five Disposal Group, Including Discontinued Operation, Assets and Liabilities Disposal Group, Including Discontinued Operation, Assets and Liabilities [Table Text Block] Table showing line item breakout of balance sheet lines attributable to current assets and liabilities held for sale. Conversion to Weekly Interest Rate [Member] Conversion to Weekly Interest Rate [Member] Conversion to Weekly Interest Rate Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Total Shareowners' Common Equity Balance at beginning of period Balance at end of period Equity, Attributable to Parent FY 2027 Electrical ISR Plan Component [Axis] FY 2027 Electrical ISR Plan Component [Axis] FY 2027 Electrical ISR Plan Component Settlements Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Other Noncurrent Assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Total Approved Spend on FY 2027 Electric ISR Plan Total Approved Spend on FY 2027 Electric ISR Plan Total Approved Spend on FY 2027 Electric ISR Plan Pension benefit asset Assets for Plan Benefits, Defined Benefit Plan Assets Assets [Abstract] Assets [Abstract] Derivative Instrument Additional Information [Axis] Derivative Instrument Additional Information [Axis] Additional Information By Type of Derivative Contract Intercompany Borrowings Outstanding Intercompany Borrowings Outstanding Intercompany Borrowings Outstanding Public Utilities, Requested Return on Equity, Percentage Public Utilities, Requested Return on Equity, Percentage Income (Numerator) [Abstract] Income Numerator [Abstract] Fair Value, Nonrecurring Fair Value, Nonrecurring [Member] Insider Trading Policies and Procedures [Line Items] Goodwill, Purchase Accounting Adjustments Goodwill, Measurement Period Adjustment Other Income (Expense) Net [Line Items] Other Income (Expense) Net [Line Items] Accounts receivable reserve for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Business Combination, Separately Recognized Transaction [Domain] Business Combination, Separately Recognized Transaction [Domain] Regulatory Assets, Current Current regulatory assets Regulatory Asset, Current Revenue decoupling mechanism Revenue decoupling mechanism [Member] Revenue decoupling mechanism Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Indemnification for Safari sale/leaseback Indemnification for Safari sale/leaseback Indemnification for Safari sale/leaseback Regulatory Liabilities as a result of Acquisition commitments [Axis] Regulatory Liabilities as a result of Acquisition commitments [Axis] Regulatory Liabilities as a result of Acquisition commitments Interest Income (Expense), Nonoperating, Net Interest Income (Expense), Nonoperating Net (increase) decrease in notes receivable from affiliate Net (increase) decrease in notes receivable from affiliate The change in cash during the period due to the net increase or decrease in notes receivable by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts. Shares excluded from the computations of diluted EPS Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of Operating Segments Number of Operating Segments Entity Central Index Key Entity Central Index Key Document Entity Information [Line Items] Document Entity Information [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Regulatory Liabilities [Line Items] Regulatory Liability [Line Items] Less: accumulated depreciation - non-regulated property, plant and equipment Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Additional paid-in capital Additional Paid in Capital, Common Stock Schedule Of Guarantee Obligations [Table] Guarantor Obligation [Table] Corporate Units Quarterly Contract Adjustment Payment Rate Corporate Units Quarterly Contract Adjustment Payment Rate Stated rate of quarterly contract adjustment payments due to holders of PPL corporate units. Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Generation formula rate [Member] Generation formula rate [Member] Generation formula rate Federal income tax on Income Before Income Taxes at statutory tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Expenditures for asset retirement obligations Asset Retirement Obligation, Cash Paid to Settle Indemnification Guarantee [Member] Indemnification Agreement [Member] Remarketable Senior Notes due 2034 Remarketable Senior Notes due 2034 [Member] Remarketable Senior Notes due 2034 Amounts arising during the period Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV [Axis] Industrial [Member] Industrial [Member] Customers who purchase services for the production of goods. Designated As Hedging Instruments [Member] Designated as Hedging Instrument [Member] Mill Creek 2 Unit, Generation Capacity, Power Mill Creek 2 Unit, Generation Capacity, Power The total generating capacity of the Mill Creek 2 Unit in megawatts. Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Environmental Matters [Table] Environmental Matters [Table] Describes the details pertaining to environmental matters. Purchases Of Accounts Receivable [Table] Purchases Of Accounts Receivable [Table] A table or schedule providing information pertaining to a purchase of accounts receivable program. Other Nonoperating Income (Expense) [Table] Other Nonoperating Income (Expense) [Table] Other Nonoperating Income (Expense) PPL Energy Funding [Member] PPL Energy Funding Corporation [Member] A subsidiary of PPL and the parent holding company of PPL Energy Supply, PPL Global and other subsidiaries. Other Current Assets Business Combination, Recognized Asset Acquired, Other Asset, Current Power Purchase Agreement OVEC [Member] Power Purchase Agreement Ohio Valley Electric Corporation [Member] The fair value of the OVEC power purchase agreement recorded in a business combination that will be amortized as the related contract. A liability relates to the contract having an original cost lower than market price when purchase accounting was recorded. Economic foreign currency exchange contracts Gain (Loss) from Price Risk Management Activity Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] Bilateral Credit Facility #2 Bilateral Credit Facility #2 [Member] Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount. All Individuals All Individuals [Member] Plan Sponsor [Axis] Plan Sponsor [Axis] The set of plan sponsors associated with the report. Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable Mill Creek 1 Unit, Generation Capacity, Power Mill Creek 1 Unit, Generation Capacity, Power The total generating capacity of the Mill Creek 1 Unit in megawatts. Corporate and Other [Member] Corporate Segment [Member] Lititz Lititz [Member] Lititz LTCS Renewable Energy Contracting Capacity Requirement LTCS Renewable Energy Contracting Capacity Requirement Total renewable energy capacity (in megawatts) required to be contracted under the Rhode Island Long-Term Contracting Standard. Defined Benefit Plans [Member] Pension and Other Postretirement Plans Costs [Member] Economic Hedges [Member] Economic Hedges [Member] Derivative contracts that economically hedge a risk, but do not receive hedge accounting treatment because they were not eligible or for which hedge accounting was not elected. Regulatory Liabilities [Domain] Regulatory Liability [Domain] Minimum Period In Years That Indemnifications Generally Expire Minimum Period In Years That Indemnifications Generally Expire The minimum period, in years, that indemnifications related to the dissolution of entities generally expire after the date of dissolution. Net cash provided by (used in) financing activities - continuing operations Cash Provided by (Used in) Financing Activity, Continuing Operation Carroll County Environmental Facilities Revenue Bonds, 2008 series A Carroll County Environmental Facilities Revenue Bonds, 2008 series A [Member] Carroll County Environmental Facilities Revenue Bonds, 2008 series A Assets, Noncurrent Assets, Noncurrent Statement [Line Items] Statement [Line Items] Total Assets Total Assets Assets Schedule Of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Lessee, Operating Lease, Liability, Payment, Due [Abstract] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Business Combination [Abstract] Public Utilities, Customer Bill Credit Agreement, Net of Tax Public Utilities, Customer Bill Credit Agreement, Net of Tax After-tax amount total of special agreement as part of the RIE acquisition to provide bill credits to RIE customers. Residential Electric Winter Bill Credit Approved by the RIPUC Residential Electric Winter Bill Credit Approved by the RIPUC Residential Electric Winter Bill Credit Approved by the RIPUC Increase Decrease In Notes Payable To Affiliates Increase Decrease In Notes Payable To Affiliates The change in cash during the period due to the net increase or decrease in notes payable by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts. Defined benefit plans, Net actuarial (gain) loss, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Notes Payable, Related Parties, Current Notes Payable, Related Parties, Current The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Public Utilities, Approved Return on Equity for Capital Rate Adjustment Mechanism, Percentage Public Utilities, Approved Return on Equity for Capital Rate Adjustment Mechanism, Percentage Public Utilities, Approved Return on Equity for Capital Rate Adjustment Mechanism, Percentage Advanced metering infrastructure Advanced metering infrastructure [Member] Advanced metering infrastructure Operating Revenues Disposal Group, Including Discontinued Operation, Revenue Costs allocated to subsidiary by plan sponsors Defined Benefit Plan Costs Allocated To Subsidiary By Plan Sponsors Total amount of net periodic benefit cost for defined benefit plans for the period allocated to subsidiary. PEO PEO [Member] Long-Term Debt, Maturity, Year Two Long-Term Debt, Maturity, Year Two Prepayments Increase (Decrease) in Prepaid Expense Acquisition commitment write off expenses Acquisition commitment write off expenses Acquisition commitment write off expenses Other deferred credits and noncurrent liabilities Other Liabilities, Noncurrent Goodwill Goodwill Retirement Plan Type [Axis] Retirement Plan Type [Axis] NPV to be obtained through AMF program over 20 years NPV to be obtained through AMF program over 20 years Net present value to be obtained through AMF program over the life of the project. Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Accounts Payable Business Combination, Recognized Liability Assumed, Accounts Payable, Current Derivative instruments - eligible for offset Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Asset Retirement Obligations, Period Change, Miscellaneous Asset Retirement Obligations, Period Change, Miscellaneous Change in total asset retirement obligations for the period related to miscellaneous activity. Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Balance Sheet Data [Abstract] Segment Reporting Information Balance Sheet Data [Abstract] Earnings Reinvested [Member] Retained Earnings [Member] Bilateral Credit Facility [Member] Revolving Credit Facility [Member] Forward Sale Agreements, Shares Forward Sale Agreements, Shares Total numbers of shares agreed to sell as part of forward sales contracts. Transaction Costs Transaction Costs [Member] Transaction costs incurred related to a business combination. Contributions Made To Limited Liability Company LLC Contributions Made To Limited Liability Company LLC Amount of equity impact as a source of financing recorded as members equity from a member of the limited liability company (LLC). Payment of common stock dividends to parent SEC Schedule, 12-04, Cash Dividends Paid to Registrant, Subsidiaries and Equity Method Investees Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Common stock shares outstanding (in shares) Balance at beginning of period - shares Balance at end of period - shares Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign currency translation adjustments [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Diluted (in dollars per share) Net Income Available to PPL common shareowners (in dollars per share) Earnings Per Share, Diluted Charged to Income Financing Receivable, Credit Loss, Expense (Reversal) Storm Damage Expense Rider Storm Damage Expense Rider [Member] Storm Damage Expense Rider ExpectedCapitalCostOfExpansionProject ExpectedCapitalCostOfExpansionProject The estimate at period end of the expected capital cost of an expansion project. Preferred Stock, Value, Outstanding Preferred Stock, Value, Outstanding Proceeds from project financing Proceeds From Project Financing Cash inflow from project financing. Total Assets Business Combination, Recognized Asset Acquired, Asset Uncommitted Credit Facilities [Member] Uncommitted Credit Facilities [Member] Uncommitted credit facilities. Accumulated Other Comprehensive Income Components [Domain] Accumulated Other Comprehensive Income Components [Domain] Accumulated Other Comprehensive Income Components [Domain] Revenues from Contracts with Customers Revenue from Contract with Customer, Excluding Assessed Tax Unused Capacity Line of Credit Facility, Remaining Borrowing Capacity Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] Regulatory Matters Kentucky Activities Rate Case Proceedings [Abstract] Regulatory Matters Kentucky Activities Rate Case Proceedings [Abstract] Regulatory Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Regulatory Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Regulatory Liabilities Current assets held for sale Total Assets Disposal Group, Including Discontinued Operation, Assets, Current Regulatory Liability due to ROE Reserve, Before Tax Regulatory Liability due to ROE Reserve The amount of regulatory liability increase recorded on the balance sheet due to return on equity reserve challenge. Balance Financing Receivable, Allowance for Credit Loss Corporate Units Distribution Rate Corporate Units Distribution Rate Annual rate distributed to holders of PPL corporate units. Made up of quarterly interest payments on remarketable senior notes and a quarterly contract adjustment payment. Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Credit Facility Description [Axis] Credit Facility Description [Axis] Information on the name and description of credit facility. Accrued interest Increase (Decrease) in Interest Payable, Net Term Loan Due 2022 [Member] Term Loan Due 2022 [Member] Term Loan Due 2022 [Member] PPL Electric Billing Issue, Donation to be Paid PPL Electric Billing Issue, Donation to be Paid Donation to be made to PPL Electric's hardship fund as part of a modification to the 2024 settlement agreement with the PAPUC's Bureau of Investigation & Enforcement with regards to PPL Electric's billing issue during the period of December 2022 through January 2023. Other current liabilities Increase (Decrease) in Other Current Liabilities Capacity Short-term Debt, Maximum Borrowing Capacity Maximum borrowing capacity under the short-term credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Estimate of minimum disallowed recovery of AFUDC Estimate of minimum disallowed recovery of AFUDC Estimate of minimum disallowed recovery of AFUDC State income taxes, net of federal income tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Senior Notes due 2026 Senior Notes due 2026 [Member] Senior Notes due 2026 Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Other Nonrecurring (Income) Expense Other Nonrecurring (Income) Expense Property, plant and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Current Long-term Debt, Weighted Average Interest Rate, at Point in Time Long-Term Debt, Weighted Average Interest Rate, at Point in Time Other Nonoperating Income (Expense) [Abstract] Other Nonoperating Income (Expense) [Abstract] Retirement of commercial paper Repayments Of Commercial Paper, Short-term Debt, Maturing In More Than Three Months The cash outflow from a repayment of a borrowing having initial term of repayment of more than three months but less than one year or one operating cycle (if the normal cycle is more than one year). Gain (loss) recognized in income on derivative Derivative, Gain (Loss) on Derivative, Net Operating Income Operating Income (Loss) Unbilled revenues Net Change Unbilled Revenues The net change during the reporting period in the unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. Tax effect of prior service costs adjustments from AOCI due to sale of UK utility business Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss, realized upon the sale or liquidation of an investment in a foreign entity, for prior service cost (credit) of defined benefit plan. Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Adjustments for Change in Accounting Principle [Axis] Change in Accounting Principle, Type [Axis] Members' Equity Balance at beginning of period Balance at end of period Members' Equity Proceeds from Issuance of Debt Proceeds from Issuance of Debt Period RIE Environmental Remediation Costs To Be Incurred Over Period RIE Environmental Remediation Costs To Be Incurred Over Period RIE Environmental Remediation Costs To Be Incurred Over Reclassified Debt [Domain] Reclassified Debt [Domain] [Domain] for Reclassification of commercial paper from short-term to long-term. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Proceeds from Equity Units Proceeds from Equity Units The cash inflow from the issuance of equity units, which entitles the holder to purchase PPL common stock at a future date, as well as ownership interest in PPL Capital Funding remarketable senior notes. Pollution Control Revenue Refunding Bonds, 2001 Series [Member] Pollution Control Revenue Refunding Bonds, 2001 Series [Member] Pollution Control Revenue Refunding Bonds, 2001 Series Distribution [Member] Distribution [Member] Distribution [Member] Asset, Impairment Loss Asset, Impairment Loss PPL Services [Member] Services Company Affiliate [Member] A subsidiary of the parent that provides services to the parent and the parent's subsidiaries. Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Financing Receivable, Allowance for Credit Loss [Table Text Block] Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock shares issued (in shares) Common Stock, Shares, Issued Opening Balance Sheet Adjustments [Axis] Opening Balance Sheet Adjustments [Axis] Opening Balance Sheet Adjustments Retail and wholesale Regulated Operating Revenue Total Capital Investment Spend on FY 2026 Electric ISR Plan Total Capital Investment Spend on FY 2026 Electric ISR Plan Total Capital Investment Spend on FY 2026 Electric ISR Plan Guarantees Schedule of Guarantor Obligations [Table Text Block] Tax effect of prior service costs reclassified from AOCI Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax Terminated Interest Rate Swaps [Member] Terminated interest rate swaps [Member] Terminated Interest Rate Swap [Member] Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period that are terminated in advance of its contractual maturity date. Asset Impairment Impairment Charges (After-Tax) Asset Impairment Impairment Charges (After-Tax) After-tax amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Investment Tax Credit Carryforward [Member] Investment Tax Credit Carryforward [Member] Adjustments for Change in Accounting Principle [Domain] Change in Accounting Principle, Type [Domain] Shares Issued (Numeric) [Abstract] Shares Issued Numeric [Abstract] Accounts Receivable Forgiven, net Accounts Receivable Forgiven, net Accounts Receivable Forgiven, net Currency [Axis] Currency [Axis] Senior Notes Due 2021 Senior Notes Due 2021 [Member] Senior Notes Due 2021 Basic and Diluted EPS Computations Schedule Of Earnings Per Share Basic And Diluted Computations And Reconciliations [Table Text Block] Tabular disclosure of an entity's basic and diluted earnings per share computations and reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Adoption of Accounting Guidance [Abstract] Adoption of Accounting Guidance [Abstract] Adoption of Accounting Guidance [Abstract] Reclassification out of Accumulated Other Comprehensive Income (Loss) Detail [Domain] Reclassification out of Accumulated Other Comprehensive Income (Loss) Detail [Domain] Reclassification out of Accumulated Other Comprehensive Income (Loss) Detail [Domain] Affected Line Item on the Statements of Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Senior Notes due 2024 Senior Notes due 2024 [Member] Senior Notes due 2024 Termination Date Trading Arrangement Termination Date Income (loss) from discontinued operations (net of income taxes) available to PPL common shareowners - Basic and Diluted Income (Loss) from Discontinued Operations (net of income taxes) Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Subsequent Events [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Generation Unit Name [Axis] Generation Unit Name [Axis] Name of electric generating unit included in regulated PPE. Allowance for Funds Used During Construction Equity Allowance for Funds Used During Construction Equity Allowance for Funds Used During Construction Equity Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Other current liabilities Other Liabilities, Current Tax effect of equity investee's other comprehensive income (loss) OCI, Equity Method Investment, Tax Prior service costs, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss, realized upon the sale or liquidation of an investment in a foreign entity, for prior service cost (credit) of defined benefit plan. Fair Value as of Grant Date Award Grant Date Fair Value Gas Contracts, Asset, Purchases Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases Indemnifications related to certain tax liabilities related to the sale of the U.K. utility business [Domain] Indemnifications related to certain tax liabilities related to the sale of the U.K. utility business [Domain] Indemnifications related to certain tax liabilities related to the sale of the U.K. utility business FERC approved ROE for transmission costs [Domain] FERC approved ROE for transmission costs [Domain] FERC approved ROE for transmission costs [Domain] Bilateral Credit Facility [Member] Bilateral Credit Facility [Member] Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount. Amount of Transfer from the Storm Fund Balance Directed by the RIPUC Amount of Transfer from the Storm Fund Balance Directed by the RIPUC Amount of Transfer from the Storm Fund Balance Directed by the RIPUC Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Stock Repurchase Program, Remaining Authorized Repurchase Amount Share Repurchase Program, Remaining Authorized, Amount RICCREF Contribution Expense RICCREF Contribution Expense Amounts contributed to the Rhode Island Commerce Corporation Renewable Energy Fund Arrangement Duration Trading Arrangement Duration Income Taxes Allocated to Segment Income Taxes Allocated to Segment Amount of income taxes related to corporate level financing costs allocated to a reporting segment. LCIDA Pollution Control Revenue Refunding Bonds 2016 Series A LCIDA Pollution Control Revenue Refunding Bonds 2016 Series A [Member] Lehigh County Industrial Development Authority Pollution Control Revenue Refunding Bonds 2016 Series A Entity Registrant Name Entity Registrant Name Entity Address, Postal Zip Code Entity Address, Postal Zip Code Derivative Instruments Gain Loss By Balance Sheet Location [Domain] Derivative Instruments Gain Loss By Balance Sheet Location [Domain] Derivative Instruments Gain Loss By Balance Sheet Location [Domain] Utilities Operating Expense, Maintenance and Operations Utilities Operating Expense, Operations Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] First Mortgage Bonds due 2020 [Member] First Mortgage Bonds due 2020 [Member] First Mortgage Bonds due 2020 Operating Revenues Revenues Operating Revenues Revenues Support Costs (Details) [Abstract] Support Costs Details [Abstract] Senior Notes due 2047 Senior Notes due 2047 [Member] Senior Notes due 2047 Legal Matters [Table] Legal Matters [Table] Describes the details pertaining to legal matters. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Renewable energy certificates Renewable Energy Program [Member] Interest Rate Risk And Foreign Currency Risk [Line Items] Interest Rate Risk And Foreign Currency Risk [Line Items] Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, U.K. Finance Act 2021, Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, U.K. Finance Act 2021, Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, U.K. Finance Act 2021, Amount Master Netting Arrangements [Table] Master Netting Arrangements [Table] 2025 KY Storms 2025 KY Storms [Member] 2025 KY Storms Louisville Gas And Electric Co [Member] LOUISVILLE GAS And ELECTRIC CO [Member] An indirect subsidiary of PPL and a public utility subsidiary of LKE engaged in the regulated generation, transmission, distribution and sale of electricity in Kentucky, and distribution and sale of natural gas in Kentucky. Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] All Award Types Award Type [Domain] Derivative, Net Liability Position, Aggregate Fair Value Derivative, Net Liability Position, Aggregate Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Term Loan Facility [Member] Term Loan Facility [Member] Term Loan Facility which provides the company the ability to make cash borrowings. Transaction Type [Axis] Transaction Type [Axis] Other Guarantee (Numeric) [Abstract] Other Guarantee (Numeric) [Abstract] Treasury stock acquired Treasury Stock, Shares, Acquired WPD WPD [Member] An indirect wholly owned United Kingdom subsidiary of PPL that refers to WPD Limited and it's subsidiaries. 2025 CPCN Component [Axis] 2025 CPCN Component [Axis] Proposals included in the 2025 CPCN submitted to the KPSC. Income before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Geographical [Axis] Geographical [Axis] Contract with Customer, Liability Contract with Customer, Liability Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Generation Unit Name [Domain] Generation Unit Name [Domain] Generation Unit Name [Domain] Schedule of Short-term Debt [Table] Short-Term Debt [Table] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Legal Entity [Axis] Legal Entity [Axis] Amount of Support for Residential Low-Income Program to be Provided by New Tariff Schedule Proposed Amount of Support for Residential Low-Income Program to be Provided by New Tariff Schedule Proposed Amount of Support for Residential Low-Income Program to be Provided by New Tariff Schedule Accumulated Other Comprehensive Income Components [Axis] Accumulated Other Comprehensive Income Components [Axis] Specific component of accumulated other comprehensive income. Accounts Receivable - Customer and Unbilled Revenue [Member] Accounts Receivable Customer and Unbilled Revenue [Member] Amounts receivable from customers and unbilled revenue. Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Disposal Group, not including Discontinued Operations Disposal Group, not including Discontinued Operations Disposal Group, not including Discontinued Operations Cash, Cash Equivalents and Restricted Cash at Beginning of Period Cash, Cash Equivalents and Restricted Cash at End of Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash collateral posted under master netting arrangements Cash collateral pledged - eligible for offset Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Senior Secured Notes First Mortgage Bonds Senior Secured Notes First Mortgage Bonds [Member] Consists of senior secured notes and first mortgage bonds secured by real property that has a first (highest) lien on such property in the event of default by the borrower. Stock Issued During Period, Value, Treasury Stock Reissued Stock Issued During Period, Value, Treasury Stock Reissued Guarantee of payment obligations under certain power purchase agreements related to the sale of Safari Holdings Guarantee of payment obligations under certain power purchase agreements related to the sale of Safari Holdings [Member] Guarantee of payment obligations under certain power purchase agreements related to the sale of Safari Holdings Asset Retirement Obligation Roll Forward Schedule of Change in Asset Retirement Obligation [Table Text Block] Disposal Group, Not including discontinued operations, assets and liabilities held for sale Disposal Group, Not including discontinued operations, assets and liabilities held for sale Disposal Group, Not including discontinued operations, assets and liabilities held for sale LCIDA Pollution Control Revenue Refunding Bonds 2016 Series B LCIDA Pollution Control Revenue Refunding Bonds 2016 Series B [Member] Lehigh County Industrial Development Authority Pollution Control Revenue Refunding Bonds 2016 Series B Reclassification out of Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Non-NEOs Non-NEOs [Member] Claim By Former Affiliate [Abstract] Claim By Former Affiliate [Abstract] Claim By Former Affiliate [Abstract] Percentage of common equity used on allowed ROE Percentage of common equity used on allowed ROE Percentage of common equity ratio PIPUC used on used to determine the allowed ROE Aggregate enterprise consideration Payments to Acquire Businesses, Gross Capital Investment Spend on FY 2025 Gas ISR Plan Proposed Capital Investment Spend on FY 2025 Gas ISR Plan Amount to spend on the FY 2025 Gas ISR plan required by the RIPUC. Electric and Gas Rates Electric and Gas Rates [Member] Electric and Gas Rates Retired asset recovery Retired asset recovery [Member] Retired asset recovery Interest Rate Risk - Cash Flow Hedges (Numeric) [Abstract] Interest Rate Risk Cash Flow Hedges Numeric [Abstract] Stock Issued During Period, Value, Treasury Stock Reissued Stock Issued During Period, Value, Reissued Treasury Stock Value of treasury shares or units reissued. Includes reissuance of shares or units in treasury for awards under share-based payment arrangements. Customer [Domain] Customer [Domain] Schedule of Maturities of Long-term Debt Long-Term Debt, Maturity, Year One Long Term Debt Type [Domain] Long-Term Debt, Type [Domain] Reclassification out of Accumulated Other Comprehensive Income (Loss) due to Sale of U.K. Utility Business [Member] Reclassification out of Accumulated Other Comprehensive Income (Loss) due to Sale of U.K. Utility Business [Member] Reclassification out of Accumulated Other Comprehensive Income (Loss) due to Sale of U.K. Utility Business Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Current Purchase of treasury stock Payments for Repurchase of Common Stock Schedule Of Regulatory Liabilities [Table] Regulated Operation, Regulatory Liability [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Supplemental Capital Investment Spend amount agreed to between RIE and RIPUC Supplemental Capital Investment Spend amount agreed to between RIE and RIPUC Supplemental Capital Investment Spend amount agreed to between RIE and RIPUC Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Award Type Award Type [Axis] Interest Rate Contract Interest Rate Contract [Member] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Other Regulatory Liabilities [Member] Other Regulatory Liabilities [Member] Represents regulatory liabilities not otherwise specified in the taxonomy. Environmental Matters - Superfund and Other Remediation (Numeric) [Abstract] Environmental Matters Superfund And Other Remediation Numeric [Abstract] Earnings reinvested Retained Earnings (Accumulated Deficit) Energy efficiency charge Energy efficiency charge [Member] Represents the difference between revenue billed to customers through the Rhode Island Energy's energy efficiency charge and the costs of Rhode Island Energy's energy efficiency programs as approved by the RIPUC. Restricted Cash, Noncurrent Restricted Cash, Noncurrent Corporate Units Remarketable Senior Notes due 2034 and 2039 Corporate Units Remarketable Senior Notes due 2034 and 2039 [Member] Remarketable Senior Notes due 2034 and 2039, which holders of the corporate units have a 1/40 undivided beneficial ownership interest in $1,000 principal amounts of for each. All Currencies [Domain] All Currencies [Domain] Prior Service Costs, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Pension Plan [Member] Pension Plan [Member] Proceeds from Issuance of Secured Debt Proceeds from Issuance of Secured Debt Short-term Debt [Line Items] Short-Term Debt [Line Items] Common Stock [Member] Common Stock [Member] Approved Capital Investment Spend on FY 2026 Electric ISR Plan Approved Capital Investment Spend on FY 2026 Electric ISR Plan Approved Capital Investment Spend on FY 2026 Electric ISR Plan Long-Term Debt Due Within One Year Business Combination, Recognized Liability Assumed, Long-Term Debt, Current FY 2026 Electrical ISR Plan Component [Axis] FY 2026 Electrical ISR Plan Component [Axis] FY 2026 Electrical ISR Plan Component Reclassification Out Of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Allowance for Funds Used During Construction Equity, Percent Allowance for Funds Used During Construction Equity, Percent Allowance for Funds Used During Construction Equity, Percent Total special use funds Health Care Trust Fund, Assets Limited To Use Total healthcare trust fund assets that are limited in use. Remarketed [Member] Remarketed [Member] Remarketed Equity Units, Contract Adjustment Liability Equity Units, Contract Adjustment Liability Total fair value of obligation to make contract adjustment payments for the issuance of equity units common stock purchase contracts recorded as a liability. Derivative Contract Type [Domain] Derivative Contract [Domain] Price risk management liabilities Disposal Group, Including Discontinued Operation, Derivative Instruments and Hedges, Liabilities Carrying amount as of the balance sheet date of the liability attributable to disposal group held for sale or disposed of arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. PPL Electric Guarantee [Member] PPL Electric Guarantee [Member] Guarantees and other assurances of PPL Electric and its subsidiaries that, due to consolidation, are direct or indirect guarantees of the parent company, PPL. Asset Retirement Obligations [Line Items] Asset Retirement Obligations [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total Liabilities and Equity Liabilities and Equity Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Five Stock Options [Member] Share-Based Payment Arrangement, Option [Member] Securities Financing Transaction [Table] Security Financing Transaction [Table] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Asset Retirement Obligation, Current Asset Retirement Obligation, Current Segments [Axis] Segments [Axis] Segments [Axis] Document Entity [Table] Document Entity [Table] Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package and assemble all relevant information about each entity associated with the document instance. Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Rhode Island Division Of Public Utilities And Carriers Amount Already Credited To The RIE Energy Efficiency Program Rhode Island Division Of Public Utilities And Carriers Amount Already Credited To The RIE Energy Efficiency Program Rhode Island Division Of Public Utilities And Carriers Amount Already Refunded Through The RIE Energy Efficiency Mechanism Related Party [Domain] Related and Nonrelated Parties [Domain] New Solar units LG&E Planned Ownership Percentage New Solar units KU Planned Ownership Percentage Percentage ownership of the planned solar units to be owned by KU. Tabular List, Table Tabular List [Table Text Block] Defined benefit plans, Prior service costs, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax New Accounting Guidance Adopted [Abstract] New Accounting Guidance Adopted [Abstract] New Accounting Guidance Adopted [Abstract] RIPUC Approved FY 2024 Electric ISR Plan for capital investment spend Approved Capital Investment Spend on FY 2024 Electric ISR Plan Total spend approved by the RIPUC for the FY 2024 Electric ISR Plan. Expenditures for intangible assets Payments to Acquire Intangible Assets 2025 CPCN Component [Domain] 2025 CPCN Component [Domain] 2025 CPCN Component [Domain] Accretion Asset Retirement Obligation, Accretion Expense Accrual for TSA Markup Accrual for TSA Markup [Member] Accrual for TSA Markup Asset Retirement Obligation [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Name Awards Close in Time to MNPI Disclosures, Individual Name Maximum ROE authorized Maximum ROE authorized [Member] Resulting from the first complaint, Maximum ROE authorized by FERC. Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Senior Notes due 2043 Senior Notes due 2043 [Member] Senior Notes due 2043 Other Noncurrent Assets Assets, Noncurrent [Abstract] Other operation and maintenance Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses Property, Plant and Equipment Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization [Abstract] Reconciliation of Revenue from Contracts with Customers [Abstract] Reconciliation of revenue from contacts with customers [Abstract] Reconciliation of revenue from contacts with customers [Abstract] Schedule Of Net Periodic Defined Benefit Costs (Credits) Schedule of Defined Benefit Plans Disclosures [Table Text Block] Derivative Notional Amount Matured Derivative Notional Amount Matured The aggregate notional amount of derivatives that matured during the period. LTCS Renewable Energy Contract, Offshore Wind Energy Procurement, Power LTCS Renewable Energy Contract, Offshore Wind Energy Procurement, Power LTCS Renewable Energy Contract, Offshore Wind Energy Procurement, Power Supplemental Capital Investment to spend on the FY 2024 Gas ISR Plan Supplemental Capital Investment to spend on the FY 2024 Gas ISR Plan Additional amounts added to the FY 2024 Gas ISR Plan as required by the RIPUC. Other operating activities Other Operating Activities [Abstract] Location, Statement of Financial Position, Activity, Accrual [Axis] Location, Statement of Financial Position, Activity, Accrual [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Reclassifications from AOCI Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Interest Paid, Excluding Capitalized Interest, Operating Activity Interest Paid, Excluding Capitalized Interest, Operating Activity Extinguishment of Debt, Amount Extinguishment of Debt, Amount Hedging Designation [Axis] Hedging Designation [Axis] Less amounts allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic CPCN Solar Photovoltaic Facility to be constructed, Power CPCN Solar Photovoltaic Facility to be constructed, Power CPCN Solar Photovoltaic Facility to be constructed, Power KU [Member] Kentucky Utilities Company [Member] An indirect subsidiary of PPL and a public utility subsidiary of LKE providing electricity primarily in Kentucky, Virginia and Tennessee. Proceeds from Divestiture of Businesses and Interests in Affiliates Proceeds from Divestiture of Businesses and Interests in Affiliates RIPUC regulatory liability RIPUC regulatory liability [Member] RIPUC regulatory liability Borrowed Line Of Credit1 The carrying value as of the date borrowed of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Total Assets Assets, Fair Value Disclosure New NGCC KU Planned Ownership Percentage New NGCC KU Planned Ownership Percentage The percentage of ownership of the planned NGCC facilities owned by KU. Name Measure Name First Mortgage Bonds due 2025 First Mortgage Bonds due 2025 [Member] First Mortgage Bonds due 2025 Pay vs Performance Disclosure [Line Items] Price risk management liabilities: Liabilities Price Risk Management Liabilities [Abstract] Fair Value By Fair Value Hierarchy Level [Domain] Fair Value Hierarchy and NAV [Domain] Total unrealized gains (losses) on Regulatory Asset/Regulatory Liability Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) Accrued expenditures for intangible assets at June 30, Intangible Asset Expenditures Incurred But Not Yet Paid Future cash outflow to pay for purchases of intangible assets that have occurred. Debt Instrument [Line Items] Debt Instrument [Line Items] Exchangeable Senior Notes Due 2028 Exchangeable Senior Notes Due 2028 [Member] Exchangeable Senior Notes Due 2028 Purchases Of Accounts Receivable [Line Items] Purchases Of Accounts Receivable [Line Items] Accounts receivable purchased under a Public Utility Commission-approved program whereby certain accounts receivable are purchased and recorded at fair value from affiliated or unaffiliated alternative suppliers at a nominal discount. Counterparty collateral Increase (Decrease) in Collateral on PLR energy supply Increase (Decrease) in Collateral on PLR energy supply Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Intangible Asset, Indefinite-Lived, Class [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Mill Creek NGCC Mill Creek NGCC [Member] Mill Creek NGCC proposal included in the 2025 CPCN Amortization of: [Abstract] Amortization Of [Abstract] Guarantee By Nature [Domain] Guarantor Obligations, Nature [Domain] Other Other Regulatory Assets (Liabilities) [Member] Other Regulatory Assets [Member] Other Regulatory Assets [Member] Intercompany Support Cost Allocations Schedule Of Intercompany Support Cost Allocations [Table Text Block] Tabular disclosure of support cost allocations from parent to subsidiary and between affiliates during the period. Stock-based compensation Stock-based compensation Changes related to share-based payment arrangements, including current period stock compensation expense reflected in the statement of income and the tax benefit associated with these payment arrangements. Name Trading Arrangement, Individual Name Cash and Cash Equivalents at Beginning of Period Cash and Cash Equivalents at End of Period Cash and cash equivalents Cash and Cash Equivalent Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Amount of MW Required to Meet LTCS Renewable Energy Contracting Capacity Requirement Amount of MW Required to Meet LTCS Renewable Energy Contracting Capacity Requirement Total renewable energy capacity (in megawatts) required meet the Rhode Island Long-Term Contracting Standard. Legal Matters [Line Items] Legal Matters [Line Items] Public Utilities, Requested Rate Increase (Decrease), Percentage Public Utilities, Requested Rate Increase (Decrease), Percentage Company Selected Measure Amount Company Selected Measure Amount FY 2027 Electrical ISR Plan Component [Domain] FY 2027 Electrical ISR Plan Component [Domain] FY 2027 Electrical ISR Plan Component [Domain] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables, Gross Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables, Gross Receivables assumed from business combination before Allowance for Credit Loss Joint Venture Ownership Percentage, Blackstone Infrastructure Joint Venture Ownership Percentage, Blackstone Infrastructure The percentage of ownership of the joint venture between PPL and Blackstone Infrastructure to build, own and operate new electricity generation stations in Pennsylvania held by Blackstone Infrastructure. Economic relief billing credit Economic relief billing credit [Member] Economic relief billing credit Common stock issued under stock-based compensation plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Remainder of Fiscal Year Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Remainder of Fiscal Year Long-Term Debt, Maturity, Year Five Long-Term Debt, Maturity, Year Five Foreign Currency Exchange Rate, Translation Foreign Currency Exchange Rate, Translation Non-PEO NEO Non-PEO NEO [Member] Ghent 2 Unit, Generation Capacity, Power Ghent 2 Unit, Generation Capacity, Power The total generating capacity of the Ghent 2 Unit in megawatts. Gas line Inspections Gas line Inspections [Member] Gas line Inspections Award Timing Method Award Timing Method [Text Block] Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast [Member] Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Note Payable 2 [Member] Note Payable 2 [Member] Note Payable 2 Estimted amount of recoverable March 2023 Storm costs Estimated amount of recoverable March 2023 Storm costs Estimated amount of recoverable March 2023 Storm costs Qualifying derivatives, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI), realized upon the sale or liquidation of an investment in a foreign entity for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Total Capacity of Power Purchase Agreements Not Subject to KPSC Approval, Power Total Capacity of Power Purchase Agreements Not Subject to KPSC Approval, Power The Total Capacity of non-firm energy-related power purchase agreements entered into for the output of four solar photovoltaic facilities that are not subject to KPSC approval. Cash, Cash Equivalents and Restricted Cash Total Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Money market fund Fair Value Asset Measured On Recurring Basis Limited To Use Money Market The combined current and noncurrent carrying amounts of special use funds that are limited in use which are invested in money markets. Preferred Stock Redeemed, Prorated Dividend, Per Share Preferred Stock Redeemed, Prorated Dividend, Per Share The per share rate of prorated dividend paid out as part of a preferred stock redemption. Potential site of environmental contamination [Domain] Potential site of environmental contamination [Domain] Potential site of environmental contamination [Domain] Defined benefit plans - (income) expense Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Changes in estimated timing or cost Asset Retirement Obligation, Revision of Estimate Actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Proceeds from Sale of Interest in Corporate Unit Proceeds from Sale of Interest in Corporate Unit Net Income (Loss) Net income (loss) Net Income (Loss) Attributable to Parent Long Term Debt Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] Proceeds from Assets Held for Sale Proceeds from Assets Held for Sale Proceeds from Assets Held for Sale Public Utilities, Approved Return on Equity, Percentage Public Utilities, Approved Return on Equity, Percentage Restatement Determination Date: Restatement Determination Date [Axis] aggregate projected capital expenditures CPCN Aggregate Projected Capital Expenditures 2025-2031 CPCN Aggregate Projected Capital Expenditures 2025-2031 Note Payable [Member] Note Payable 1 [Member] A written promise to pay a note. Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Environmental Cost Recovery [Member] Environmental Cost Recovery [Member] Costs associated with complying with the Federal Clean Air Act and other federal, state or local environment requirements. Includes those that apply to coal combustion wastes and by-products from facilities that utilized for the production of energy from coal. Master Netting Arrangements (Numeric) [Line Items] Master Netting Arrangements Numeric [Line Items] Accounts receivable (less reserve:) Receivables, Net, Current [Abstract] Receivables, Net, Current [Abstract] Accounts receivable Increase (Decrease) in Receivables Income from continuing operations after income taxes Income from continuing operations (net of income taxes) Income from continuing operations after income taxes available to PPL common shareowners - Basic and Diluted Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Tax Effect Of New Accounting Principle In Period Of Adoption Tax Effect Of New Accounting Principle In Period Of Adoption Tax effect of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. Operating Revenues Revenues [Abstract] Approved Capital Investment Spend on FY 2025 Electric ISR Plan Approved Capital Investment Spend on FY 2025 Electric ISR Plan Amount Approved March 26, 2024, to Spend on FY 2025 Electric ISR Plan Collateral Already Posted, Aggregate Fair Value Collateral Already Posted, Aggregate Fair Value LTCS Renewable Energy Contract, Deepwater Agreement, Power LTCS Renewable Energy Contract, Deepwater Agreement, Power Amount of power (in megawatts) contracted to purchase as part of the Deepwater Agreement. Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Long-term Debt, Unclassified [Abstract] Long-Term Debt, Unclassified [Abstract] Statistical Measurement [Domain] Statistical Measurement [Domain] Less: accumulated depreciation - regulated utility plant Public Utilities, Property, Plant and Equipment, Accumulated Depreciation Document Fiscal Year Focus Document Fiscal Year Focus Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Period of ROE Reserve [Domain] Period of ROE Reserve [Domain] Period of ROE Reserve [Domain] Total Spend on FY 2027 Electric ISR Plan Total Spend on FY 2027 Electric ISR Plan Total Spend on FY 2027 Electric ISR Plan Transmission Service Charge [Member] Transmission Service Charge [Member] Charges allocated to a utility by a operator of a transmission network. These charges are passed on to customers who receive basic generation supply service. These costs are included in allowable costs for rate making purposes. These costs are part of an over-or-under recovery mechanism. Customer [Axis] Customer [Axis] Trimble County Pollution Control Revenue Bonds, 2001 Series A Trimble County Pollution Control Revenue Bonds, 2001 Series A [Member] Trimble County Pollution Control Revenue Bonds, 2001 Series A Common stock Common Stock, Value, Issued 2nd Supplemental Capita Investment to spend on the FY 2024 Electrical ISR Plan 2nd Supplemental Capital Investment to spend on the FY 2024 Electrical ISR Plan 2nd Additional amount added to the FY 2024 Electrical ISR Plan as required by the RIPUC. Tax effect of foreign currency translation adjustments reclassified from AOCI due to sale of UK utility business Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Amount of tax expense (benefit), of reclassification adjustments from accumulated other comprehensive income (loss), realized upon the sale or liquidation of an investment in a foreign entity, for gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Interest Expense Interest Expense Interest Expense, Operating and Nonoperating Other Comprehensive Income (Loss), Equity Investees' AOCI, reclassification, After Tax Other Comprehensive Income (Loss), Equity Investees' AOCI, Reclassification, After Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for equity investees' AOCI. Interest Expense Disposal Group, Including Discontinued Operation, Interest Expense Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Period of ROE Reserve [Axis] Period of ROE Reserve [Axis] The period to which an amount recorded into an ROE Reserve is related. Restatement Determination Date Restatement Determination Date Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Rates Type [Domain] Rates Type [Domain] The names of the types of services provided by a utility for which rate changes are periodically requested. Valuation allowance adjustments Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Impairment of assets held for sale Inventory Write-down Total Segments Total Segments [Member] Total for all operating segments. Amortization of investment tax credit including deferred taxes on basis adjustment Amortization of Investment Tax Credit The portion of the difference between total income tax expense (benefit) as reported in the Income Statement for the current period and the expected income tax expense (benefit) computed attributable to the amortization of investment tax credits. Amortization Of Excess Deferred Income Taxes, Percent Amortization Of Excess Deferred Income Taxes, Percent Amortization Of Excess Deferred Income Taxes, Percent Net deferred taxes [Member] Net Deferred Tax Assets [Member] The regulatory liability associated with net deferred tax assets represents the future revenue impact from the reversal of deferred income taxes required primarily for unamortized investment tax credits. This regulatory liability is recognized when the offsetting deferred tax asset is recognized. For general-purpose financial reporting, this regulatory liability and the deferred tax asset are not offset; rather, each is displayed separately. Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] PPL Affiliate [Member] Company Affiliate [Member] Details transactions arising between the entity and an affiliate of the parent company. Regulatory Matters [Table] Regulatory Matters [Table] Describes the details pertaining to regulatory matters. Tax Reform [Line Items] Tax Reform [Line Items] Line Items for Tax Reform Table Utility Rate Regulation [Line Items] Regulated Operations [Line Items] Regulatory liabilities Noncurrent regulatory liabilities Regulatory Liability, Noncurrent Price risk management liabilities Price risk management liabilities Carrying amount as of the balance sheet date of the liabilities arising from derivative contracts and hedging activities, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer. Amendment Flag Amendment Flag Current Liabilities Liabilities, Current [Abstract] Corporate Units Corporate Units [Member] Corporate Units which include a purchase contract to purchase PPL common stock and interest in PPL Capital Funding remarketable senior notes. Accounts Receivable, Credit Loss Expense (Reversal) Accounts Receivable, Credit Loss Expense (Reversal) Disposal Group Classification [Axis] Disposal Group Classification [Axis] January 2025 KY Storm January 2025 KY Storm [Member] January 2025 KY Storm Electric Customer Electric Customer [Member] Electric Customer Paving Costs Paving Costs [Member] Paving Costs Regulatory Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Regulatory Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Regulatory Assets First Mortgage Bonds due 2034 First Mortgage Bonds due 2034 [Member] First Mortgage Bonds due 2034 Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] DerivativeFairValueOfDerivativeAssetheldforsale DerivativeFairValueOfDerivativeAssetheldforsale DerivativeFairValueOfDerivativeAssetheldforsale Redemption [Member] Redemption [Member] Redemption Cause Of Valuation Allowance [Axis] Cause Of Valuation Allowance [Axis] Cause Of Valuation Allowance [Axis] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Net actuarial (gain) loss, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, after Tax Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss), realized upon the sale or liquidation of an investment in a foreign entity, for gain (loss) of defined benefit plan. Net Actuarial Loss [Member] Accumulated Defined Benefit Plans Actuarial Gain Loss [Member] Changes to accumulated comprehensive income related to actuarial gain (loss). Obligations settled Asset Retirement Obligation, Liabilities Settled Entity Address, State or Province Entity Address, State or Province Commingled equity fund measured at NAV Fair Value Assets Measured Using Net Asset Value Limited To Use Commingled Equity Fund The combined current and noncurrent asset amounts that have been measured at their fair value using net asset value as of the measurement date that are invested in commingled equity funds. Equity Distribution Agreement [Axis] Equity Distribution Agreement [Axis] Equity Distribution Agreement Utility Rate Regulation Public Utilities Disclosure [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Pension benefit asset Disposal Group, Including Discontinued Operation, Assets for Plan Benefits, Defined Benefit Plan Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans attributable to disposal group held for sale or disposed of. Exchangeable Senior Notes Initial Exchange Rate, Shares per $1000 Principal Amount Exchangeable Senior Notes Initial Exchange Rate, Shares per $1000 Principal Amount Initial exchange rate in shares on exchangeable senior notes per $1,000 principal amount Revenue Reserve for ROE Challenge Revenue Reserve for ROE Challenge Amount of revenue reserve, before tax, recorded as a result of a challenge to the transmission formula rate return on equity. Segment Reporting, Long-Lived Asset, Expenditure for Addition Segment Reporting, Long-Lived Asset, Expenditure for Addition Derivative, Notional Amount Derivative, Notional Amount Basic (in shares) Weighted-average shares - Basic EPS (in shares) Weighted Average Number of Shares Outstanding, Basic Plan Sponsor [Domain] Plan Sponsor [Domain] All the names of the plan sponsors being reported upon in a document. RIE Environmental Remediation RIE Environmental Remediation [Member] RIE Environmental Remediation Annual Sinking Fund Payment Requirement Annual Sinking Fund Payment Requirement Amount of principal to be paid annually as part of the sinking fund requirement of long-term debt. Guarantee of payment obligations under certain sale/leaseback financing transactions related to the sale of Safari Holdings Guarantee of payment obligations under certain sale/leaseback financing transactions related to the sale of Safari Holdings [Member] Guarantee of payment obligations under certain sale/leaseback financing transactions related to the sale of Safari Holdings Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Regulatory assets Noncurrent regulatory assets Regulatory Asset, Noncurrent Common Stock Issuances Schedule Of Common Stock Issuances [Table Text Block] Tabular disclosure of the number of shares issued during the period related to stock-based compensation plans, employee stock ownership plans or dividend reinvestment and direct stock purchase plans. Regulatory Liabilities [Axis] Regulatory Liability [Axis] Wholesale - other [Member] Wholesale Other [Member] Energy retailers who purchase services for the purpose of reselling the services to a third-party. Pre-tax Effect Of Derivative Instruments Recognized On Balance Sheet, By Location [Axis] Derivative Instruments Gain Loss By Balance Sheet Location [Axis] The location and amount of gains and losses reported on the balance sheet on derivative instruments. E. W. Brown 3 Unit, Generation Capacity, Power E. W. Brown 3 Unit, Generation Capacity, Power The total generating capacity of the E. W. Brown 3 Unit in megawatts. Nature of Separate Transaction [Domain] Nature of Separate Transaction [Domain] Nature of Separate Transaction [Domain] FY26 Gas ISR Plan Component [Axis] FY26 Gas ISR Plan Component [Axis] FY26 Gas ISR Plan Component Tax effect of net actuarial (gain) loss arising during period Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Defined Benefits [Line Items] Defined Benefit Plan Disclosure [Line Items] Commercial Paper Issuances (a) Commercial Paper Reserve for accounts receivable (noncurrent) Accounts Receivable, Allowance for Credit Loss, Noncurrent Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Potential site of environmental contamination [Axis] Potential site of environmental contamination [Axis] Potential site of environmental contamination Class of Stock [Axis] Class of Stock [Axis] PPL Electric [Member] PPL Electric Utilities Corporation [Member] A direct subsidiary of PPL and a regulated public utility. PPL Electric delivers electricity in Pennsylvania. Debt Issuance Costs, Gross Debt Issuance Costs, Gross Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, U.K. Finance Act 2020, Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, U.K. Finance Act 2020, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates due to the U.K. Finance Act 2020. Capacity Line of Credit Facility, Maximum Borrowing Capacity Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Line Items] Long-term debt due within one year Long-Term Debt, Current Maturities Disposal Group, Including Discontinued Operation, Income Statement Line Items Disposal Group, Including Discontinued Operation, Income Statement Line Items [Table Text Block] Table showing line item breakout of income statement lines attributable to discontinued operations. Environmental Remediation Expense Environmental Remediation Expense, before Recovery Dividends declared Dividends Common Stock Cash And Non Cash Amount of paid and unpaid common stock dividends declared. Reclassified Debt [Axis] Reclassified Debt [Axis] Reclassification of commercial paper from short-term to long-term. Location, Statement of Other Comprehensive Income, Balance [Axis] Location, Statement of Other Comprehensive Income, Balance [Axis] Notes Receivable, Related Parties, Current Notes Receivable from Related Parties, Current Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle). Number of miles within plant that would include a class of residents Can Run Plant Class Of Residents Miles Within Plant The number of miles surrounding the plant that a class of plaintiffs could include in a class action suit. Common Stock, Forward Contract, Physical Shares Scenario Settlement Shares Common Stock, Forward Contract, Physical Shares Scenario Settlement Shares The total amount of shares that would be needed to settle a forward contract as of the specified date under the physical shares settlement scenario. Line of Credit Facility, Borrowing Capacity Sublimit Line of Credit Facility, Borrowing Capacity Sublimit Borrowing capacity sublimit under the credit facility for a specified entity without consideration of the amounts currently outstanding under the facility. Bond Redemption [Member] Bond Redemption [Member] Bond Redemption Senior Notes due 2022 (3.50%) Senior Notes due 2022 (3.50%) [Member] Senior Notes due 2022 (3.50%) Net cash provided by operating activities - continuing operations Cash Provided by (Used in) Operating Activity, Continuing Operation VEBA Funds Receivable VEBA Funds Receivable Intercompany receivable related to IRS private letter ruling permitting a transfer of excess funds from the PPL Bargaining Unite Retiree Health Plan VEBA to a new subaccount within the VEBA to be used to pay medical claims of active bargaining unit employees Allocation of Net Periodic Benefit Costs Schedule Of Net Periodic Benefit Costs Allocation [Table Text Block] Tabular disclosure of net periodic benefit cost allocated to affiliates by the plan-sponsoring entity. These amounts include amounts applied to accounts that are further distributed between capital and expense during the period. Long Term Debt Activity [Axis] Long Term Debt Activity [Axis] Defines the activity of long-term debt. Deductions Financing Receivable, Allowance for Credit Loss, Writeoff Common Stock Sales, Forward Contract, Shares Common Stock Sales, Forward Contract, Shares The total number of shares agreed to be sold as part of an equity distribution agreement as part of a forward contract. New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Accrued expenditures for property, plant and equipment at June 30, Capital Expenditures Incurred but Not yet Paid Noncontrolling Interest Noncontrolling Interest [Member] Tax effect of qualifying derivatives arising during the period Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Amounts arising during the period - gains (losses), net of tax (expense) benefit: Amounts Arising During Period Gains Losses Net Of Tax Expense Benefit [Abstract] Domestic Plan [Member] Domestic Plan [Member] Unsecured Debt Unsecured Debt [Member] Interest Rate Derivative Assets Interest Rate Derivative Assets, at Fair Value Exchangeable Senior Unsecured Notes Exchangeable Senior Unsecured Notes [Member] Exchangeable Senior Unsecured Notes Income Statement Data [Abstract] Segment Reporting, Profit (Loss) [Abstract] Noncurrent Liabilities Business Combination, Recognized Liability Assumed, Liability, Noncurrent Deferred Tax Assets, Operating Loss Carryforwards, Adjustment, Domestic Deferred Tax Assets, Operating Loss Carryforwards, Adjustment, Domestic Amount of adjustment of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Long-term Debt Long-Term Debt Common stock issued under DRIP (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Related Party Transaction, Rate Related Party Transaction, Rate Deferred recovery of the difference between pension costs calculated with pension accounting policy and pension cost using 15 year amortization period Deferred recovery of the difference between pension costs calculated with pension accounting policy and pension cost using 15 year amortization period Amount of deferred recovery of the difference between the pension cost calculated in accordance with the entities pension accounting policy and pension cost using a 15 year amortization period for actuarial gains and losses. Senior Notes due 2044 Senior Notes due 2044 [Member] Senior Notes due 2044 Natural Gas Customer Natural Gas Customer [Member] Natural Gas Customer Corporate Units Remarketable Senior Notes Corporate Units Remarketable Senior Notes [Member] Corporate Units Remarketable Senior Notes Purchase contracts Purchase contracts Purchase contracts Capital contributions from parent Capital Contributions From Parent Amount of equity impact as a source of financing from parent that is recorded as additional paid in capital. Change in current assets and current liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Accounts Receivable Forgiven, AR Reserve Accounts Receivable Forgiven, AR Reserve Amount of customer receivables forgiven that were previously provided for. Cash collateral obligation under master netting arrangements Cash collateral received - eligible for offset Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Security Exchange Name Security Exchange Name Deferred Tax Benefit Deferred Tax Benefit [Member] Deferred Tax Benefit Unused Capacity Commercial Paper Unused Borrowing Capacity Amount Amount of unused borrowing capacity under the commercial paper financing arrangement that is available to the entity as of the balance sheet date. Public Utilities, Requested Rate Increase (Decrease), Amount Already Included In Customer Bills Public Utilities, Requested Rate Increase (Decrease), Amount Already Included In Customer Bills Public Utilities, Requested Rate Increase (Decrease), Amount Already Included In Customer Bills Regulatory Assets Noncurrent [Member] Regulatory Assets Noncurrent [Member] The amount recorded to noncurrent regulatory assets. Public Utilities, Property, Plant and Equipment, Generation or Processing Public Utilities, Property, Plant and Equipment, Generation or Processing Financing Costs Allocated to Segment, Net of Tax Financing Costs Allocated to Segment, Net of Tax The amount of corporate level financing costs, net of income taxes, allocated to a reporting segment. Payment for Pension Benefits Payment for Pension Benefits Interest Interest Payable, Current CEP Reserves, Inc CEP Reserves, Inc [Member] CEP Reserves, Inc Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Annualized current quarterly common stock dividend (in dollars per share) Common Stock Dividends Per Share Declared As Per Annum Equivalent The per annum equivalent of the increased quarterly stock dividend the last time the dividend was changed. Line of Credit Facility, Borrowing Capacity Sublimit, Minimum Line of Credit Facility, Borrowing Capacity Sublimit, Minimum Line of Credit Facility, Borrowing Capacity Sublimit, Minimum Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Intercompany Borrowings (Numeric) [Abstract] Intercompany Borrowings Numeric [Abstract] Contingency Plan Spend on FY 2026 Gas ISR Plan Contingency Plan Spend on FY 2026 Gas ISR Plan Contingency Plan Spend on FY 2026 Gas ISR Plan Kentucky Utilities Co [Member] KENTUCKY UTILITIES CO [Member] An indirect subsidiary of PPL and a public utility subsidiary of LKE engaged in the regulated generation, transmission, distribution and sale of electricity primarily in Kentucky. Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Reclassification out of Accumulated Other Comprehensive Income (Loss) Detail [Axis] Reclassification out of Accumulated Other Comprehensive Income (Loss) Detail [Axis] Reclassification out of Accumulated Other Comprehensive Income (Loss) Detail Weighted-Average Shares of Common Stock Outstanding (in thousands) Weighted Average Number of Shares Outstanding, Basic [Abstract] Public Utilities, Approved Rate Increase (Decrease), Amount Public Utilities, Approved Rate Increase (Decrease), Amount Total Operating Expenses Utilities Operating Expense Gain (loss) recognized as regulatory liabilities/assets Derivative Instruments Gain Loss Recognized In Regulatory Liabilities Assets The amount of gain (loss) recognized as regulatory assets/liabilities during the period on derivative instruments designated as hedging instruments and not designated as hedging instruments for which regulatory treatment is being applied. Jefferson County Environmental Facilities Revenue Refunding Bonds, 2001 Series B Jefferson County Environmental Facilities Revenue Refunding Bonds, 2007 Series B [Member] Remarketing of Jefferson County Environmental Facilities Revenue Refunding Bonds, 2007 Series B Reclassification, Type [Axis] Reclassification, Type [Axis] Maximum aggregate coverage bodily injury and property damage Maximum Aggregate Coverage Bodily Injury And Property Damage, Non-Wildfire Maximum aggregate insurance coverage for liability assumed under contract for bodily injury and property damage not related to wildfires Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Percent Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Percent Proceeds from sale of discontinued operations, net of cash divested Proceeds from Divestiture of Businesses, Net of Cash Divested Defined Benefit Plans [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] RIPUC approved ROE [Domain] RIPUC approved ROE [Domain] RIPUC approved ROE [Domain] Long-term Debt, Gross Long-Term Debt, Gross Senior Notes due 2023 Senior Notes due 2023 [Member] Senior Notes due 2023 Business Combination, Regulatory Assets Expensed Business Combination, Regulatory Assets Expensed Amounts of Regulatory Assets written off as part of the business combination Other Nonoperating (Income) Expense Description [Domain] Other Nonoperating (Income) Expense Description [Domain] Other Nonoperating (Income) Expense Description [Domain] Carrying value Disposal Group, Including Discontinued Operation, Carrying Value Carrying value attributable to disposal group held for sale or disposed of. Revenue from Contracts with Customers [Line Items] Revenue from contracts with customers [Line Items] [Line Items] for Revenue from contracts with customers [Table] Asset Class [Domain] Asset Class [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Deferred Tax Assets, Capital Loss Carryforwards Deferred Tax Assets, Capital Loss Carryforwards IT system costs IT system costs [Member] IT system costs Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted-average shares - Diluted EPS (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Proceeds from Issuance of First Mortgage Bond Proceeds from Issuance of First Mortgage Bond Related Party Transactions [Line Items] Related Party Transaction [Line Items] Asset Retirement Obligation [Line Items] Asset Retirement Obligation [Line Items] Maximum exposure of guarantee related to terminated lease specific to operational, regulatory and environmental issues Guarantee Maximum Exposure 2021 The maximum exposure of a guarantee related to the termination of a lease related to certain non-utility generating stations in western Kentucky until July 2009. This portion of the guarantee relates to covering operational, regulatory and environmental commitments and indemnifications made under the agreement. Regulatory Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Regulatory Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Regulatory Liabilities Underlying Security Market Price Change Underlying Security Market Price Change, Percent Commercial Paper [Member] Commercial Paper [Member] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Vegetation management Vegetation management [Member] Vegetation management Parent And Affiliate [Member] Parent And Affiliate [Member] Represents activity whereby the parent and an affiliate of the company are providing resources. Examples include when the company participates in an intercompany money pool arrangement with its parent and/or an affiliate. Regulatory Assets [Axis] Regulatory Asset [Axis] Amount remitted on the authorized ROE Amount remitted on the authorized ROE [Member] Amount remitted on the authorized ROE Solar Panel Inventory Solar Panel Inventory Balance of solar panel inventory recorded to the Balance Sheet. Short-term debt Short-Term Debt Recorded liability for all guarantees Guarantor Obligations, Current Carrying Value Kentucky recycling credit, net of federal income tax expense Income Tax Reconciliation Recycling Tax Credit Net Of Federal Income Tax Expense Amount of the difference between reported income tax expense (benefit) and expected income tax expenses (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to recycling tax credits. Other [Member] Other Class of Financing Receivable [Member] Other Class of Financing Receivable Total price risk management liabilities Liability value Gross Derivative Liability, Subject to Master Netting Arrangement, before Offset Other assets Increase (Decrease) in Other Noncurrent Assets Mill Creek Unit 1 retirement Mill Creek Unit 1 retirement [Member] Mill Creek Unit 1 retirement Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Tax effect of net actuarial (gain) loss adjustments from AOCI due to sale of UK utility business Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss), realized upon the sale or liquidation of an investment in a foreign entity, for gain (loss) of defined benefit plan. Regulatory Matters [Line Items] Regulatory Matters [Line Items] LKS [Member] L G And E And K U Services Company [Member] A subsidiary of LG&E and KU Energy LLC that provides services to LG&E and KU Energy LLC and its subsidiaries. LGE And KU Guarantee Of Shortfall Related To OVEC [Member] Guarantee For Shortfall Related To Ohio Valley Electric Corporation [Member] Guarantee of shortfall related to Ohio Valley Electric Corporation. This rolls up to the PPL Corporation through consolidation of LG&E and KU. Licensed energy suppliers [Member] Licensed energy supplier [Member] Licensed energy supplier [Member] Net Periodic Defined Benefit Costs Allocated to Subsidiary by Sponsor (Numeric) [Abstract] Net Periodic Defined Benefit Costs Allocated To Subsidiary By Sponsor Numeric [Abstract] Senior Notes due 2022 Senior Notes due 2022 [Member] Senior Notes due 2022 Year 1 Year 1 [Member] Year 1 TCJA customer refund [Member] TCJA surcredit [Member] Estimated amounts owed to customers as a result of the reduced U.S. federal corporate income tax rate as enacted by the TCJA, effective January 1, 2018, not yet reflected in customer rates. Accounts Receivable and Regulatory Asset write off Accounts Receivable and Regulatory Asset write off [Member] Accounts Receivable and Regulatory Asset write off - for GBE Regulatory assets and forgiven customer accounts. Restricted Cash, Current Restricted Cash, Current Treasury Stock, Common Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Net cash provided by operating activities - discontinued operations Cash Provided by (Used in) Operating Activity, Discontinued Operation Total Other Expense Other Nonoperating Expense Maximum Base ROE reset by FERC Maximum Base ROE reset by FERC Maximum Base ROE reset by FERC Intangible Asset, Indefinite-Lived, Class [Domain] Intangible Asset, Indefinite-Lived, Class [Domain] Amount of Regulatory Costs Not yet Approved Amount of Regulatory Costs Not yet Approved Alternative Revenue Programs Alternative Revenue Programs Programs that enable the utility to adjust future rates (usually as a surcharge applied to future billings) in response to past activities or completed events. Equity Units, Common Stock Applicable Market Value, High Point Equity Units, Common Stock Applicable Market Value, High Point The applicable market value of PPL Common Stock, which is the average of the volume-weighted average price on each trading date during the 20 consecutive schedule trading day period ending on, and including, the third scheduled trading day prior to the Purchas Contract Settlement Date included in the PPL Corporate Units, at which the minimum number of common stock shares would need to be delivered to satisfy the corporate unit purchase obligations. New NGCC LG&E Planned Ownership Percentage New NGCC LG&E Planned Ownership Percentage The percentage ownership of the planned NGCC facilities to be owned by LG&E>New NGCC LG&E Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, AR Reserve Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, AR Reserve Total amount of AR reserve assumed as part of business combination First Mortgage Bonds Due 2056 First Mortgage Bonds Due 2056 [Member] First Mortgage Bonds Due 2056 2013 Series B Junior Subordinated Notes due 2073 [Member] 2013 Series B Due 2073 [Member] 2013 Series B Due 2073 [Member] All Executive Categories All Executive Categories [Member] Treasury Derivatives [Member] Swap [Member] Net income (loss) available to PPL common shareowners - Basic Net Income Available To Common Shareowners Net income available to common shareowners. Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow Statement [Line Items] Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Line Items] [Line Items] for Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Table] Current Customer Deposits Current Customer Deposits The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. Percent of ownership of Talen Energy by Riverstone Restructuring And Related Activities Ownership Percentage By Riverstone Initial ownership percentage in new company, Talen Energy, by Riverstone Holdings, LLC upon completion of spinoff transaction. Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow Statement Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Table Text Block] [Table Text Block] for Reconciliation of Cash, Cash Equivalents and Restricted Cash from the Balance Sheet to Cash Flow [Table] Tax Adjustment Items [Domain] Tax Adjustment Type [Domain] [Domain] for Tax Adjustment Type [Axis] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plans, after Reclassification Adjustment, after Tax [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Cause Of Valuation Allowance [Domain] Cause Of Valuation Allowance [Domain] [Domain] for Cause Of Valuation Allowance [Axis] Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Stock Issued During Period, Shares, Treasury Stock Reissued Stock Issued During Period, Shares, Treasury Stock Reissued Goodwill Goodwill, Business Combination Goodwill relating to RIE acquisition Senior Notes 2 Senior Notes 2 [Member] Bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured (general) creditors. Debt Disclosure [Abstract] Debt Disclosure [Abstract] Annual Storm Damage Expense Rider Maximum Prior To Rate Case Annual Storm Damage Expense Rider Maximum Prior to Rate Case Maximum amount of reportable storm damage expenses to be recovered annually through base rates approved by the regulatory agency prior to adjustment from 2025 rate case proceedings. Proposed Capital Investment Spend on FY 2025 Electric ISR Plan Proposed Capital Investment Spend on FY 2025 Electric ISR Plan Proposed amount to spend on the FY 2025 Electric ISR plan as approved by the RIPUC om April 1, 2024. Segment and Related Information Segment Reporting [Text Block] Reclassifications from AOCI - (gains) losses, net of tax expense (benefit): Other Comprehensive Income Loss Reclassifications To Net Income Loss Net Of Tax [Abstract] Minimum [Member] Minimum [Member] Amount of ROE remitted by NEP Amount of ROE remitted by NEP Amount of ROE remitted by NEP First Mortgage Bonds due 2050 [Member] First Mortgage Bonds due 2050 [Member] First Mortgage Bonds due 2050 Capital Investment Spend on FY 2026 Gas ISR Plan Capital Investment Spend on FY 2026 Gas ISR Plan Capital Investment Spend on FY 2026 Gas ISR Plan Amortization of Revenue Reserve for ROE Challenge Amortization of Revenue Reserve for ROE Challenge Amount of revenue reserve refunded to customers as a result of a challenge to the transmission formula rate return on equity. Liabilities Liabilities [Abstract] Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Tax Reform [Table] Tax Reform [Table] Tax Reform [Table] Income (Loss) from Continuing Operations after income taxes, Diluted Income (Loss) from Continuing Operations, Per Diluted Share Income (Loss) from Continuing Operations After Income Taxes, Basic Income (Loss) from Continuing Operations, Per Basic Share Opening Balance Sheet Adjustments [Domain] Opening Balance Sheet Adjustments [Domain] Opening Balance Sheet Adjustments [Domain] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Business Combination [Line Items] Business Combination [Line Items] Public Utilities, Requested Rate Increase (Decrease), Amount Public Utilities, Requested Rate Increase (Decrease), Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Net periodic defined benefit costs (credits) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Forward sale agreements Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Sales Agreements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of equity forward arrangements using the treasury stock method. Operating Expenses Disposal Group, Including Discontinued Operation, Operating Expense Other assets Disposal Group, Including Discontinued Operation, Other Assets, Current Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock shares authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Sale of Stock, Number of Shares Issued in Transaction Sale of Stock, Number of Shares Issued in Transaction Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] PPL EU Services [Member] EU Services Company Affiliate [Member] A subsidiary of the parent that provides support services and corporate functions primarily to a subsidiary of the parent and its affiliates. Exercise Price Award Exercise Price Number of remaining unresolved Clean Air Act violation claims after July 2014 court ruling Cane Run Plant Number Of Unresolved Clean Air Act Violations The number of Clean Air Act violation claims that remains unresolved after a July 2014 court ruling. Recurring Fair Value Measurements [Member] Fair Value, Recurring [Member] Stock Repurchase Program, Authorized Amount Share Repurchase Program, Authorized, Amount Segment and Related Information [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Pollution Control Revenue Refunding Bonds [Member] Pollution Control Revenue Refunding Bonds, 2008 Series [Member] Pollution Control Revenue Refunding Bonds, 2008 Series CPCN Battery Storage Facility CPCN Battery Storage Facility CPCN Battery Storage Facility Write off description [Axis] Commitment expense description [Axis] Commitment expense description Common Stock Sales, Forward Contract, Initial Forward Price Common Stock Sales, Forward Contract, Initial Forward Price The initial forward price per share of common stock in a forward contract as part of an equity distribution agreement. Effect of Exchange Rates on Cash, Cash Equivalents and Restricted Cash included in Discontinued Operations Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Storm Fund Balance Expected Storm Fund Balance Expected Total balance in storm fund expected at March 31, 2027 Income (Loss) from Continuing Operations before Income Taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest CPCN NGCC Generation Unit CPCN NGCC Generation Unit CPCN NGCC Generation Unit Retirement of long-term debt Repayments of Long-Term Debt PPL Guarantee [Member] PPL Guarantee [Member] Guarantees and other assurances of the parent company, PPL. These include those are direct made by the parent or indirect through subsidiaries that are not SEC registrants. Tax effect of qualifying derivatives reclassified from AOCI due to sale of UK utility business Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Amount of tax expense (benefit) of reclassification of gain (loss) from accumulated other comprehensive income (AOCI), realized upon the sale or liquidation of an investment in a foreign entity, for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Guarantee By Entity [Domain] Guarantee By Entity [Domain] Description of guarantees and other assurances detailed by subsidiary, if applicable. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Investees' OCI Accumulated Other Comprehensive Income, Equity Method Investment [Member] Accumulated other comprehensive income (AOCI) for proportionate share of equity method investee's OCI, attributable to parent. Equity Component [Domain] Equity Component [Domain] Foreign Currency Contracts [Member] Foreign Exchange Contract [Member] Remarketable Senior Notes Remarketable Senior Notes [Member] Remarketable Senior Notes Net Operating Loss Carryforwards, Used During the Period Net Operating Loss Carryforwards, Used During the Period Net operating loss carryforwards amounts, after tax effects, available to reduce future taxable income under enacted tax laws in a table that shows carryforwards by tax jurisdiction (federal, state, foreign) used during the period Other Income Other Income, Nonoperating [Abstract] FY 2026 Electrical ISR Plan Component [Domain] FY 2026 Electrical ISR Plan Component [Domain] FY 2026 Electrical ISR Plan Component [Domain] Adoption Date Trading Arrangement Adoption Date Schedule of Other Nonoperating Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Securities Financing Transaction [Line Items] Securities Financing Transaction [Line Items] Counterparty Name [Domain] Counterparty Name [Domain] Net cash provided by (used in) financing activities - discontinued operations Cash Provided by (Used in) Financing Activity, Discontinued Operation Taxes payable Increase (Decrease) in Accrued Taxes Payable First Mortgage Bonds Due 2055 First Mortgage Bonds Due 2055 [Member] First Mortgage Bonds Due 2055 FY 2024 Electrical ISR plan component [Axis] FY 2024 Electrical ISR plan component [Axis] FY 2024 Electrical ISR plan component Regulatory Agency [Axis] Regulatory Agency [Axis] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Payments of Capital Distribution Payments of Capital Distribution Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Approved Contingency Plan Spend on FY 2025 Gas ISR Plan Approved Contingency Plan Spend on FY 2025 Gas ISR Plan Amount of contingency spend on FY 2025 Gas ISR Plan approved by the RIPUC on April 1, 2024, contingent on Pipeline and Hazardous Material Safety Administration potential enactment of regulations during FY 2025. Requested Distribution System Improvement Charge Cap Requested Distribution System Improvement Charge Cap New Distribution System Improvement Charge Cap requested from the PAPUC, defined as a percentage of billed revenue. Business Acquisition, Unbilled Revenues Business Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unbilled Revenues Business Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unbilled Revenues Regulatory Agency [Domain] Regulatory Agency [Domain] Other financing activities Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Louisville/Jefferson County Metro Government of Kentucky Pollution Control Revenue Bonds, 2003 Series A Louisville/Jefferson County Metro Government of Kentucky Pollution Control Revenue Bonds, 2003 Series A [Member] Louisville/Jefferson County Metro Government of Kentucky Pollution Control Revenue Bonds, 2003 Series A Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Schedule of Line of Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Equity Units, Shares to Deliver per Unit, Calculation Numerator Equity Units, Shares to Deliver per Unit, Calculation Numerator The numerator used to calculate the number of shares to deliver per PPL corporate unit if the applicable market value of PPL's common stock neither meets nor exceeds the high point price and neither meets nor is lower than the low point price. The shares per unit calculation is this numerator divided by the applicable market value. Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract] Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Sale of Disposal Group, Net of Tax Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Sale of Disposal Group, Net of Tax Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Sale of Disposal Group, Net of Tax Amount after tax of reclassification adjustment from AOCI for unrealized gain (loss) that will be realized upon the sale of assets held-for-sale or disposal group. Other Nonoperating Income (Expense) [Axis] Other Nonoperating (Income) Expense Description [Axis] Other Nonoperating (Income) Expense Description Business Combination [Domain] Business Combination [Domain] U.K. Regulated [Member] United Kingdom Regulated [Member] United Kingdom Regulated [Member] Consists primarily of the regulated electric distribution operations in the United Kingdom Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Equity Unit Instrument [Domain] Equity Unit Instrument [Domain] Equity Unit Instrument [Domain] Construction work in progress Construction in Progress, Gross Senior Notes Due 2056 Senior Notes Due 2056 [Member] Senior Notes Due 2056 Other Expense Other Expense, Nonoperating [Abstract] Antidilutive Securities Excluded From Diluted EPS Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Storm Costs [Member] Storm Costs [Member] Contributions from discontinued operations ProceedsFromContributionsFromDiscontinuedOperations The cash inflow from contributions associated with the disposal group during the period. LKE Guarantee [Member] Louisville Gas And Electric And KU Energy Guarantee [Member] Guarantees and other assurances of Louisville Gas and Electric and KU Energy LLC that, due to consolidation, are direct or indirect guarantees of the parent company, PPL. Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Issuance of term loan Proceeds from Short-Term Debt, Maturing in More than Three Months Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation First Mortgage Bonds, 3% Series due 2021 First Mortgage Bonds, 3% Series due 2021 [Member] First Mortgage Bonds, 3% Series due 2021 Valuation allowance on capital loss (a) Valuation allowance on capital loss (a) Valuation allowance on capital loss (a) Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report RIPUC approved ROE [Axis] RIPUC approved ROE [Axis] RIPUC approved ROE Approved Contingency Plan Spend on FY 2026 Gas ISR Plan Approved Contingency Plan Spend on FY 2026 Gas ISR Plan Approved Contingency Plan Spend on FY 2026 Gas ISR Plan gain (loss) on disposition of business, net of tax gain (loss) on disposition of business, net of tax Gain (loss) on disposition of business, net of tax Gain (loss) on disposition of business, net of tax Flow-through rate-making Flow-through rate-making Flow-through rate-making Operating Expenses Operating Expenses [Abstract] Gas Contracts Gas Contracts, Liability Fair value in a liability position of Gas Contracts for purchase Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Disposal Group, Including Discontinued Operation, Income Tax Expense Attributable to Realization of Book-Tax Outside Basis, Foreign Disposal Group, Including Discontinued Operation, Income Tax Expense Attributable to Realization of Book-Tax Outside Basis, Foreign Amount of income tax expense (benefit) related to foreign income taxes for discontinued operations charged (credited) directly to shareholders' equity. Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] City Area Code City Area Code Equity Units, Shares to Deliver per Unit, Maximum Equity Units, Shares to Deliver per Unit, Maximum The number of shares to deliver per corporate unit if the applicable market value of PPL's common stock is greater than or equal to the specified low point price. Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Total Spend on FY 2027 Gas ISR Plan Total Spend on FY 2027 Gas ISR Plan Total Spend on FY 2027 Gas ISR Plan Subsequent Events Subsequent Events [Text Block] Debt Instrument, Fair Value Disclosure Debt Instrument, Fair Value Disclosure BESS KU Planned Ownership Percentage BESS KU Planned Ownership Percentage BESS KU Planned Ownership Percentage By Company [Axis] By Company [Axis] The set of companies associated with the report. Accrued pension obligations Liability, Defined Benefit Pension Plan, Noncurrent Name Forgone Recovery, Individual Name Reclassification, Other Reclassification, Other [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] New Solar Units LG&E Planned Ownership Percentage New Solar Units LG&E Planned Ownership Percentage The percentage ownership of the planned solar units to be owned by LG&E. Contract with Customer, Asset and Liability [Abstract] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract] Price risk management liabilities current Price risk management liabilities current Carrying amount as of the balance sheet date of the liability arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. Entity [Domain] Entity [Domain] Indemnification Cap, Surrenders of Tax Losses Indemnification Cap, Surrenders of Tax Losses The amount of the cap on an indemnity with respect to certain surrenders of tax losses. Rhode Island Division Of Public Utilities And Carriers Amount To Be Recorded As A Reduction To The Storm Contingency Fund Balance Rhode Island Division Of Public Utilities And Carriers Amount To Be Recorded As A Reduction To The Storm Contingency Fund Balance Rhode Island Division Of Public Utilities And Carriers Amount To Be Recorded As A Reduction To The Storm Cost Regulatory Asset Shamokin Shamokin [Member] Shamokin Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Proceeds from Convertible Debt Proceeds from Convertible Debt Charitable Contributions Charitable Contributions Amount for contributions made to charitable organizations. Increase (decrease) due to: [Abstract] Increase Decrease Due To [Abstract] Common stock shares issued Common stock issued Stock Issued During Period, Shares, New Issues Flow-through rate-making, Percent Flow-through rate-making, Percent Flow-through rate-making, Percent Financial Instruments Not Recorded at Fair Value, Other [Axis] Measurement Basis [Axis] Goodwill, Acquired During Period Goodwill, Acquired During Period Income tax expense Discontinued Operation, Tax Effect of Discontinued Operation Equity Units, Shares to Deliver, Maximum Equity Units, Shares to Deliver, Maximum The total number of shares to deliver if the applicable market value of PPL's common stock is greater than or equal to the specified low point price. ACES Renewable Energy Contracting Capacity Requirement ACES Renewable Energy Contracting Capacity Requirement ACES Renewable Energy Contracting Capacity Requirement Extinguishment of Debt, Aggregate Purchase Price Extinguishment of Debt, Aggregate Purchase Price Cash amount of debt extinguished. Contract with Customer, Liability, Revenue Recognized Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Taxes Taxes Payable, Current Asset Retirement Obligations Asset Retirement Obligation Disclosure [Text Block] DerivativeFairValueOfDerivativeLiabilityheldforsale DerivativeFairValueOfDerivativeLiabilityheldforsale DerivativeFairValueOfDerivativeLiabilityheldforsale Financing Receivable, after Allowance for Credit Loss, Current [Abstract] Financing Receivable, after Allowance for Credit Loss, Current [Abstract] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Repayment Repayment [Member] Member designating that the debt referenced was repaid. Supplemental Capital Investment to spend on the FY 2024 Electric ISR Plan Supplemental Capital Investment to spend on the FY 2024 Electric ISR Plan Additional amount added to the FY 2024 Electric ISR Plan as required by the RIPUC. Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Abstract] Debt Issuance Costs Payments of Debt Issuance Costs Utility Rate-Making Tax Adjustments (Federal and State) Utility Rate-Making Tax Adjustments (Federal and State) Utility Rate-Making Tax Adjustments (Federal and State) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Unbilled revenues, reserve Unbilled Contracts Receivable, Allowance for Credit Loss, Current Unbilled Contracts Receivable, Allowance for Credit Loss, Current Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Other deferred credits and liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Current Loss from discontinued operations (net of income taxes), Diluted Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Cash Flow Hedges [Member] Cash Flow Hedging [Member] Louisville/Jefferson County Metro Government of Kentucky Pollution Control Revenue Bonds, 2005 Series A Louisville/Jefferson County Metro Government of Kentucky Pollution Control Revenue Bonds, 2005 Series A [Member] Louisville/Jefferson County Metro Government of Kentucky Pollution Control Revenue Bonds, 2005 Series A First Mortgage Bonds Due 2033 First Mortgage Bonds Due 2033 [Member] First Mortgage Bonds Due 2033 Contributions from member Proceeds from Contributed Capital Proceeds from Contributions from Affiliates Net increase (decrease) in short-term debt Proceeds from (Repayments of) Short-Term Debt, Maturing in Three Months or Less Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Defined benefit plans - non-service credits Defined Benefit Plan Net Periodic Benefit Cost (Credit) NonService The non-service cost components of net periodic defined benefit costs (credits) (interest cost, expected return on plan assets, amortization of prior service cost and amortization of actuarial loss) that are presented in "Other Income (Expense) - net" on the Statements of Income. Business Combination, Pro Forma Information Business Combination, Pro Forma Information [Table Text Block] Increase (Decrease) in Accounts Payable, Related Parties Increase (Decrease) in Accounts Payable, Related Parties Long-Term Debt, Maturity, Year Three Long-Term Debt, Maturity, Year Three Property, Plant and Equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Cash Flows from Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Aggregate fair value of additional collateral requirements in the event of a credit downgrade below investment grade Additional Collateral, Aggregate Fair Value Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Interest cost Defined Benefit Plan, Interest Cost Regulatory Assets [Line Items] Regulatory Asset [Line Items] Net Derivative Asset Net Income: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Trimble County Pollution Control Revenue Bonds, 2001 Series B Trimble County Pollution Control Revenue Bonds, 2001 Series B [Member] Trimble County Pollution Control Revenue Bonds, 2001 Series B Interest Rate Risk And Foreign Currency Risk [Table] Interest Rate Risk And Foreign Currency Risk [Table] Underlying Securities Award Underlying Securities Amount Fair Value [Member] Estimate of Fair Value Measurement [Member] Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Common stock issued Stock Issued During Period, Value, New Issues Financing Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration] Financing Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Price risk management assets: Price Risk Management Assets [Abstract] Smart Meter Rider [Member] Smart Meter Rider [Member] Costs of providing smart metering technology to comply with the requirements of Act 129. Allows for the over- or under-recovery from prior years that is refunded to, or from, customers through the adjustment factor determined for the subsequent periods. Prepayments Prepaid Expense, Current Amount not objected by the RIPUC to be recorded as a regulatory asset Amount not objected by the RIPUC to be recorded as a regulatory asset The amount the RIPUC did not object to be recorded as a regulatory asset. Derivative Instruments [Member] Derivative Instruments [Member] Derivative instruments are evaluates open for regulatory deferral by determining if they are probable of recovery from, or refund to, customers through future rates. Derivative instruments that qualify for recovery are recorded at fair value, with changes in fair value recorded as regulatory assets or regulatory liabilities in the period in which the change occurs. Special Use Funds [Abstract] Special Use Funds [Abstract] -- None. No documentation exists for this element. -- Rhode Island Public Utility Commission Rhode Island Public Utility Commission [Member] The state regulation agency that along with the cooperation of the Division of Public Utilities and Carriers to regulate public utilities in the state of Rhode Island. Year of Rate Plan [Domain] Year of Rate Plan [Domain] Year of Rate Plan [Domain] Other investing activities Payment for (Proceeds from) Other Investing Activity Fuel, materials and supplies Increase (Decrease) in Inventories Net after tax gains (losses) on net investment hedges recognized in the foreign currency translation adjustment component of AOCI Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax Strategic Corporate Initiatives Strategic Corporate Initiatives Amount of other expense incurred as a result of strategic corporate initiatives. Non-regulated property, plant and equipment, net Property Plant And Equipment Net Nonregulated Period end value of property, plant and equipment, net of accumulated depreciation that relate to non-regulated subsidiaries. Initial minimum base ROE to be reset by the FERC Initial minimum base ROE to be reset by the FERC Initial minimum base ROE to be reset by the FERC Schedule Of Segment Reporting Information, By Segment [Table] Segment Reporting [Table] Financing Receivable, after Allowance for Credit Loss, Related Party, Name [Extensible Enumeration] Financing Receivable, after Allowance for Credit Loss, Related Party, Name [Extensible Enumeration] Price risk management assets Disposal Group, Including Discontinued Operation, Derivative Instruments and Hedges, Assets Carrying amount as of the balance sheet date of the asset attributable to disposal group held for sale or disposed of arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Equity investees' other comprehensive income (loss), net of tax OCI, Equity Method Investment, after Tax Disposal Group, Including Discontinued Operation, Components of Gain (loss) on Sale Disposal Group, Including Discontinued Operation, Components of Gain (loss) on Sale [Table Text Block] Table showing the components of the calculated gain (loss) on sale or disposal of the disposal group. Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Tax effect of qualifying derivatives reclassified from AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Credit Facility Description [Domain] Credit Facility Description [Domain] Description of the credit facility. Business Combination, Regulatory Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Regulatory Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Regulatory Assets Current Fiscal Year End Date Current Fiscal Year End Date Rhode Island Division Of Public Utilities And Carriers Amount To Be Refunded To The RIE Energy Efficiency Program Rhode Island Division Of Public Utilities And Carriers Amount To Be Refunded To The RIE Energy Efficiency Program Rhode Island Division Of Public Utilities And Carriers Amount To Be Refunded To The RIE Energy Efficiency Program LTCS Renewable Energy Contract, Three-State Procurement, Power LTCS Renewable Energy Contract, Three-State Procurement, Power LTCS Renewable Energy Contract, Three-State Procurement, Power Loss on Sale Gain (Loss) on Sale Gain (Loss) on Disposition of Business Gain (Loss) on Disposition of Business Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Amount of Hold Harmless Obligation to be Credited to Customers in 2027 Amount of Hold Harmless Obligation to be Credited to Customers in 2027 Amount of Hold Harmless Obligation to be Credited to Customers in first quarter of 2027 Amount of Hold Harmless Obligation to be Credited to Customers in 2026 Amount of Hold Harmless Obligation to be Credited to Customers in 2026 Amount of Hold Harmless Obligation to be Credited to Customers in the first quarter of 2026 Intent to Redeem [Member] Intent to Redeem [Member] Intent to Redeem Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Unrecorded Unconditional Purchase Obligation Unrecorded Unconditional Purchase Obligation Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends Declared Per Share of Common Stock (in dollars per share) Current quarterly common stock dividend (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Remarketable Senior Notes due 2039 Remarketable Senior Notes due 2039 [Member] Remarketable Senior Notes due 2039 Net increase (decrease) in short-term debt Proceeds from (Repayments of) Short-Term Debt Maximum Period In Years That Indemnifications Generally Expire Maximum Period In Years That Indemnifications Generally Expire The maximum period, in years, that indemnifications related to the dissolution of entities generally expire after the date of dissolution. Commingled debt fund measured at NAV Fair Value Assets Measured Using Net Asset Value Limited To Use Commingled Debt Fund The combined current and noncurrent asset amounts that have been measured at their fair value using net asset value as of the measurement date that are invested in commingled debt funds. Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Unrealized (gains) losses on derivatives, and other hedging activities Unrealized gains on derivatives, and other hedging activities The non-cash impact from derivative contracts that are included in earnings. Measure: Measure [Axis] Proposed Amount of Increase to Low-Income Usage Reduction Program Annual Budget Proposed Amount of Increase to Low-Income Usage Reduction Program Annual Budget Proposed Amount of Increase to Low-Income Usage Reduction Program Annual Budget Tax effect of Prior Service Costs Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Tax Concentration Risk Number Of Union Employees Concentration Risk Number Of Union Employees Concentration risk number of union employees Rates Type [Axis] Rates Type [Axis] The description of the types of services provided by a utility for which rate changes are periodically requested. ACES Offshore wind proposal ACES Offshore wind proposal ACES Offshore wind proposal Asset retirement obligations Asset Retirement Obligations, Noncurrent Total Current Assets Business Combination, Recognized Asset Acquired, Asset, Current Customer Advances, Current Customer advances for construction, current Current portion of liability created for cash received from customers to be used in future projects. Jefferson County Environmental Facilities Revenue Refunding Bond, 2007 Series A Jefferson County Environmental Facilities Revenue Refunding Bond, 2007 Series A [Member] Jefferson County Environmental Facilities Revenue Refunding Bond, 2007 Series A Statement Equity Components [Axis] Equity Components [Axis] Debt Instrument, Repurchase Amount Debt Instrument, Repurchase Amount LGE And KU Guarantee [Member] Louisville Gas And Electric Company And Kentucky Utilities Guarantee [Member] Guarantees and other assurances of Louisville Gas and Electric Company and Kentucky Utilities Company that, due to consolidation, are direct or indirect guarantees of the parent company, LKE and PPL. Related Party Related Party [Member] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Income Tax Paid, after Refund Received Income Tax Paid, after Refund Received Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Regulatory assets and liabilities, net Increase (Decrease) in Regulatory Assets and Liabilities First Mortgage Bond [Member] First Mortgage [Member] Entity Interactive Data Current Entity Interactive Data Current Credit Risk-Related Contingent Features [Abstract] Derivative, Credit Risk Related Contingent Features [Abstract] Equity Units, Shares to Deliver per Unit, Minimum Equity Units, Shares to Deliver per Unit, Minimum The number of shares to deliver per corporate unit if the applicable market value of PPL's common stock is greater than or equal to the specified high point price. Preferred Stock Redemption, Premium, Per Share Preferred Stock Redemption, Premium, Per Share The per share amount of premium paid out as part of a preferred stock redemption Distribution System Improvement Reset Percent Distribution System Improvement Reset Percent Distribution System Improvement Reset Percent Contributions from parent Proceeds from Contributions from Parent Entity Small Business Entity Small Business Regulated utility plant Public Utilities, Property, Plant and Equipment, Plant in Service Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net metering Net metering [Member] Net metering deferral reflects the recovery mechanism for costs associated with customer installed on-site generation facilities, including the costs of renewable generation credits. LGE [Member] LGE [Member] Louisville Gas And Electric Company [Member] An indirect subsidiary of PPL and a public utility subsidiary of LKE providing electricity in Kentucky and distribution of natural gas in Kentucky. Minimum base ROE reset by FERC Minimum base ROE reset by FERC Minimum base ROE reset by FERC PPL Corporate Units PPL Corporate Units [Member] Corporate Units which include a purchase contract to purchase PPL common stock and interest in PPL Capital Funding remarketable senior notes. Accounts payable Increase (Decrease) in Accounts Payable, Trade Generation Supply Charge [Member] Generation Supply Charge [Member] Costs incurred in obtaining generation supply for customers who do not shop for their own that would otherwise be charged to expense. These costs are included in allowable costs for rate making purposes. These costs are part of an over-or-under recovery mechanism. FERC approved ROE for transmission costs [Axis] FERC approved ROE for transmission costs [Axis] FERC approved ROE for transmission costs MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Other noncurrent assets Other Assets, Noncurrent Document Type Document Type Acquisition of Narragansett Electric, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Credit Loss Recognized from Contracts with Customers [Table Text Block] Credit loss recognized from contract with customer [Table Text Block] Credit loss recognized from contract with customer [Table Text Block] Proposed Total Amount of Low-Income Usage Reduction Program Annual Budget Proposed Total Amount of Low-Income Usage Reduction Program Annual Budget Proposed Total Amount of Low-Income Usage Reduction Program Annual Budget Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] FY26 Gas ISR Plan Component [Domain] FY26 Gas ISR Plan Component [Domain] FY26 Gas ISR Plan Component [Domain] Distributions (Numeric) [Abstract] Distributions Numeric [Abstract] New ROE prosed by NETO and approved by FERC New ROE proposed by NETO and approved by FERC New ROE by National Grid along with other NETOs who filed a brief supporting FERC's new methodology and confirming the illustrative numbers that FERC arrived at in its order addressing all four complaints Regulated Deferred Income Taxes Reduction Regulated Deferred Income Taxes Reduction [Member] Regulated Deferred Income Taxes Reduction Foreign currency translation adjustments, amounts arising during the period, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax AMF Capital Investment AMF Capital Investment [Member] AMF Capital Investment Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Issuance of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Other Postretirement Benefits Plan [Member] Other Postretirement Benefits Plan [Member] Generating units retired at the Cane Run plant Generating Units Retired Plant One The number of coal-fired generating units retired at the Cane Run plant. Total deferred income taxes Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities Distribution System Improvement Charge Cap Distribution System Improvement Charge Cap The limit on what can be charged as Distribution System Improvement Charges, which is defined as a percentage of billed revenue. RIE bill credit RIE bill credit [Member] A rate action resulting from the acquisition of RIE, PPL made certain commitments to the Rhode Island Division of Public Utilities and Carriers and the Attorney General of the State of Rhode Island. As a result, Based on the relative number of electric distribution customers and natural gas distribution customers, RIE expects to refund, in the form of a bill credit to electric customers and to natural gas customers. Net Investment Hedges [Member] Net Investment Hedging [Member] Gas Contracts Gas Contracts [Member] Gas contract derivatives asset class Income from Continuing Operations Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Commitments and Contingent Liabilities Commitments and Contingencies Tax effect of net actuarial (gain) loss reclassified from AOCI Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Amount of gain (loss) reclassified from AOCI to income Derivative Instruments, Gain (Loss) Reclassified From Accumulated OCI Into Income, Net The net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. Gas Contracts Gas Purchase Contract, Fair Value Disclosure Gas line tracker [Member] Gas line tracker [Member] Gas line tracker Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification Out Of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Net cash provided by (used in) investing activities - discontinued operations Cash Provided by (Used in) Investing Activity, Discontinued Operation New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Corporate Units Share Purchase Price Corporate Units Share Purchase Price Price at which a holder of PPL corporate units is obligated to purchase a certain number of shares of PPL common stock. Executive Category: Executive Category [Axis] Number of residents that filed class action suit Cane Run Plant Number Of Plaintiffs Filed Suit Number of plaintiffs that have filed claims pertaining to a loss contingency at the Can Run plant. Counterparty Name [Axis] Counterparty Name [Axis] Liabilities and Equity Liabilities and Equity [Abstract] Fuel, materials and supplies Inventory, Net Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Carroll County Environmental Facilities Revenue Refunding Bonds, 2006 Series B Carroll County Environmental Facilities Revenue Refunding Bonds, 2006 Series B [Member] Carroll County Environmental Facilities Revenue Refunding Bonds, 2006 Series B Long-term debt Disposal Group, Including Discontinued Operation, Long-term Debt, Excluding Current Maturities Amount after unamortized (discount) premium and debt issuance costs of long-term debt attributable to disposal group held for sale or disposed of classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Common equity percentage related to approved rate Common equity percentage related to approved rate [Member] Common equity ratio of used to determine the allowed return on equity rate. Supplemental Disclosures of Cash Flow Information Supplemental Cash Flow Information [Abstract] Qualifying derivatives, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Notes and Loans, Noncurrent Notes and Loans, Noncurrent Schedule Of Regulatory Items With Shared Characteristics [Domain] Schedule Of Regulatory Items With Shared Characteristics [Domain] Schedule Of Regulatory Items With Shared Characteristics [Domain] FERC Granted ROE FERC Granted ROE FERC Granted ROE Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Estimated net present value costs of AMF program Estimated net present value costs of AMF program Estimated costs on a net present value basis for Advanced Metering Functionality program. PEO Name PEO Name Unrealized gains (losses) on qualifying derivatives [Member] Qualifying Derivatives [Member] Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Rate adjustment mechanism Rate adjustment mechanism [Member] In addition to commodity costs, Rhode Island Energy is subject to a number of additional rate adjustment mechanisms whereby an asset or liability is recognized resulting from differences between actual revenues and the underlying cost being recovered or differences between actual revenues and targeted amounts as approved by the RIPUC Other O&M Other O&M [Member] Other O&M Other Income (Expense) - net Other Income Other Expense Disclosure Nonoperating [Text Block] Disclosure of the detailed components of other nonoperating income and other nonoperating expenses. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), (d) miscellaneous other income items, (e) losses on securities (net of profits) and (f) miscellaneous income deductions. Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Qualifying derivatives, amounts arising during the period, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax PPL Capital Funding [Member] PPL Capital Funding [Member] A wholly owned financing subsidiary of PPL. Notes Payable to affiliates Notes Payable RIPUC Approved FY 2024 Gas ISR Plan for capital investment spend RIPUC Approved FY 2024 Gas ISR Plan for capital investment spend Total capital spend approved by the RIPUC for the FY 2024 Gas ISR plan Kentucky Public Service Commission [Member] Kentucky Public Service Commission [Member] The state agency that oversees the regulation of rates and services of utilities in Kentucky. Senior Notes Due 2035 [Member] Senior Notes Due 2035 [Member] Senior Notes Due 2035 LTCS Renewable Energy Contract, Fifth Solicitation, Power LTCS Renewable Energy Contract, Fifth Solicitation, Power Amount of power (in megawatts) contracted to purchase as part of the fifth solicitation required by the Rhode Island Long-Term Contracting Standard Percentage of costs to investigate environmental contamination Percentage of costs to investigate environmental contamination Percentage of costs to investigate environmental contamination FY25 Gas ISR Plan Component [Axis] FY25 Gas ISR Plan Component [Axis] FY25 Gas ISR Plan Component Other intangibles Disposal Group, Including Discontinued Operation, Intangible Assets, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Maximum Aggregate Coverage Bodily Injury And Property Damage, Wildfire Maximum Aggregate Coverage Bodily Injury And Property Damage, Wildfire Maximum aggregate insurance coverage for liability assumed under contract for bodily injury and property damage related to wildfires Accounts Receivable, Purchase Accounts Receivable, Purchase Customer deposits Disposal Group, Including Discontinued Operation, Customer Deposits The money or property, attributable to disposal group held for sale or disposed of, received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Safari Holdings LLC, Consolidated Safari Holdings LLC, Consolidated [Member] Safari Holdings LLC, Consolidated Interim Financial Statements Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Fair Value By Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Other Deferred Credits and Noncurrent Liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Credit Risk-Related Contingent Features Credit Risk Related Contingent Features [Table Text Block] Tabular disclosure of amounts of credit-risk-related contingent features related to derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) that are in a net liability position at the end of the reporting period. Taxes, other than income Utilities Operating Expense, Taxes Other Income (Expense) - net Disposal Group, Including Discontinued Operation, Other Income (Expense) - net Amount of income (expense) related to nonoperating activities attributable to disposal group, including, but not limited to, discontinued operation. Disposal Group Name [Axis] Disposal Group Name [Axis] Equity Units Issued Equity Units Issued The total number of equity units issued, initially in the form of corporate units, during the period. Each unit comprises of a purchase contract obligating the holder to purchase a certain number of shares of PPL's common stock at a set rate and ownership interest in remarketable senior notes issued by PPL Capital Funding. Payments for Repurchase of Redeemable Noncontrolling Interest Payments for Repurchase of Redeemable Noncontrolling Interest Related Party Transaction, Amounts of Transaction Related Party Transaction, Amounts of Transaction Storm Damage costs[Member] Storm Damage Expense [Member] Capitalization or accrual of uninsured storm damage costs that future treatment of these amounts is pending with the regulatory authority. New Obligation s Incurred Oil and Gas, Cost Incurred, Asset Retirement Obligation Net Income Available to PPL common shareowners (in dollars per share) Earnings Per Share, Basic Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Document Entity Information [Abstract] Document Entity Information [Abstract] Total Current Assets Assets, Current Insider Trading Arrangements [Line Items] Pennsylvania Regulated [Member] Pennsylvania Regulated [Member] The regulated electric delivery operations of PPL Electric. Also includes PPL's natural gas distribution and propane businesses that were sold in 2008. Net Decrease in Cash, Cash Equivalents and Restricted Cash included in Discontinued Operations Cash, Cash Equivalents, Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Discontinued Operations Amount of (increase) decrease in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Long-term Debt Long-term Debt, Excluding Current Maturities Long-Term Debt, Excluding Current Maturities Assets and Liabilities, Lessee [Abstract] Assets and Liabilities, Lessee [Abstract] Accrued expenditures for the RIAG and decarbonation goals Accrued expenditures for the RIAG and decarbonation goals [Member] Accrued expenditures for the RIAG and decarbonation goals - Rhode Island Attorney General and decarbonization commitments accrued expenditures Customer Accounts Receivable, after Allowance for Credit Loss, Current Preferred Stock, Dividend Preference or Restrictions Preferred Stock, Dividend Preference or Restrictions Approved Capital Investment Spend on FY 2025 Gas ISR Plan Total Approved Spend on FY 2025 Gas ISR Plan Total amount approved April 1, 2024, to spend on the FY 2025 Gas ISR Plan by the RIPUC. Intercompany Money Pool Agreement Unused Borrowing Capacity Intercompany Money Pool Agreement Unused Borrowing Capacity Total unused borrowing capacity under the money pool agreement with an affiliate of the reporting entity. Gas Contract Commodity Contract [Member] Schedule of Short-term Debt Schedule of Short-Term Debt [Table Text Block] Other - Labor Union Agreements (Numeric) [Abstract] Other - Labor Unions [Abstract] Other - Labor Unions [Abstract] Taxes Accrued Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Taxes Accrued Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Taxes Accrued Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Asset Retirement Obligations [Table] Asset Retirement Obligations [Table] Describes the details pertaining to asset retirement obligations. Add incremental non-participating securities: [Abstract] Add Incremental Non Participating Securities [Abstract] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Short-term debt and long-term debt due within one year Disposal Group, Including Discontinued Operation, Short-Term Debt and Long-Term Debt, Current Maturities Reflects the carrying amounts of debt attributable to disposal group held for sale or disposed of having initial terms less than one year or the normal operating cycle, if longer, and amounts of debt attributable to disposal group held for sale or disposed of, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Proceeds from Daily Dividend, Divestiture of Business Proceeds from Daily Dividend, Divestiture of Business This element represents the daily cash inflow during the period beginning January 1, 2021 to the closing date of the sale for unpaid regularly declared dividends between components of the entity being sold. Benefit - cost ratio yield of the AMF program Benefit - cost ratio yield of the AMF program The Benefit - cost ratio that the AMF program is due to yield over the life of the project. Rate class charge Rate class charge [Member] Rate class charge Fuel adjustment clause [Member] Deferred Fuel Costs [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] Senior Notes Due 2030 [Member] Senior Notes Due 2030 [Member] A debt obligation maturing in 2030. Senior Notes due 2022 (4.20%) Senior Notes due 2022 (4.20%) [Member] Senior Notes due 2022 (4.20%) Weighted - Average Interest Rate Short-Term Debt, Weighted Average Interest Rate, at Point in Time Period of 05-21-2020 to 12-31-2020 Period of 05-21-2020 to 12-31-2020 [Member] Period that covers 05-21-2020 to 12-31-2020 (MM-DD-YYYY format). APIC, Share-Based Payment Arrangement, Recognition and Exercise APIC, Share-Based Payment Arrangement, Recognition and Exercise Miscellaneous Other Nonoperating Expense Miscellaneous The aggregate amount of other expense amounts, the components of which are not separately disclosed. Billing Issues, Expenses Incurred Billing Issues, Expenses Incurred Total expenses incurred related to customer billing issues. Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Equity Units, Shares to Deliver, Minimum Equity Units, Shares to Deliver, Minimum The total number of shares to deliver if the applicable market value of PPL's common stock is greater than or equal to the specified high point price. Regulatory Assets [Domain] Regulatory Asset [Domain] Interest Income from affiliate Interest Income from affiliate Interest Income, Other Fair Value of Financial Instruments Not Recorded at Fair Value - Other Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Business Combination, Price Risk Management Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Price Risk Management Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Price Risk Management Assets Proceeds from Issuance of Senior Long-Term Debt Proceeds from Issuance of Senior Long-Term Debt Net Periodic Defined Benefit Costs (Credits) Prior To Settlements Net Periodic Defined Benefit Costs (Credits) Prior To Settlements The total amount of net periodic benefit cost for defined benefit plans for the period, excluding settlements. Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Other liabilities Increase (Decrease) in Other Noncurrent Liabilities Accrued interest Disposal Group, Including Discontinued Operation, Accrued Interest Amount of accrued but unpaid interest attributable to disposal group held for sale or disposed of. Other Income (Expense) - net Other Income (Expense) - net Other Income (Expense) - net Other Nonoperating Income (Expense) FY 2025 Electrical ISR Plan Component [Domain] FY 2025 Electrical ISR Plan Component [Domain] FY 2025 Electrical ISR Plan Component [Domain] Total Approved Spend on FY 2027 Gas ISR Plan Total Approved Spend on FY 2027 Gas ISR Plan Total Approved Spend on FY 2027 Gas ISR Plan Adjustments identified in the third quarter Adjustments identified in the third quarter [Member] Adjustments identified in the third quarter of 2022 Total increase (decrease) Total Increase Decrease To Taxes At Statutory Tax Rate The total of increases (decreases) to federal income tax on income from continuing operations before income taxes at statutory tax rate. Rhode Island Regulated Rhode Island Regulated [Member] Rhode Island Regulated Segment Tax Cuts and Jobs Act (over/under) TCJA over/under collection [Member] Tax Cuts and Jobs Act over/under collection funds to be returned or received from Customers. Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Purchase of investments Payments to Acquire Investments Accrual for Environmental Loss Contingencies, Gross Accrual for Environmental Loss Contingencies, Gross Equity Unit Instrument [Axis] Equity Unit Instrument [Axis] Equity Unit Instrument Additional Costs Related to Purchase Additional Costs Related to Purchase, Agreed not to seek recovery [Member] Additional costs associated with, but separate from, a business combination, such as legal fees, that the entity has agreed, as a condition of the transaction, not to seek recovery for via a rate case or similar mechanism. Number of customers impacted by Aquidneck Island loss of gas supply Number of customers impacted by Aquidneck Island loss of gas supply Number of customers impacted by Aquidneck Island loss of gas supply Letters of Credit and Commercial Paper Issued (a) Line of Credit Facility Amount of Letters of Credit and Commercial Paper Issued Aggregate amount of letters of credit issued under a credit facility as of the balance-sheet date, if applicable and inclusion of amounts issued under separate commercial paper program that reduces this facilities capacity. Public Utilities, Property, Plant and Equipment, Generation, Expected Remaining Book Value at Retirement Public Utilities, Property, Plant and Equipment, Generation, Expected Remaining Book Value at Retirement The expected remaining net book value of a regulated generation unit at its anticipated retirement date. Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Regulatory Liability Regulatory Liability Segment (Numeric) [Abstract] Segment Reporting, Other Disclosure [Abstract] Plant outage costs [Member] Plant outage costs [Member] Plant outage costs [Member] Interim Financial Statements [Abstract] Interim Financial Statements [Abstract] Change in Enacted Tax Rate Recognition Description [Axis] Change in Enacted Tax Rate Recognition Description [Axis] Method of recognizing the effects of a change in enacted tax rate. Distribution System Improvement Charge Distribution System Improvement Charge [Member] Distribution System Improvement Charge Amortization of excess deferred income taxes Amortization Of Excess Deferred Income Taxes The portion of the difference between total income tax expense (benefit) as reported in the Income Statement for the current period and the expected income tax expense (benefit) computed attributable to the amortization of excess deferred income taxes due to a change in the federal corporate income tax rate. Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Equity Units, Shares to Deliver, Make-Whole Provisions Equity Units, Shares to Deliver, Make-Whole Provisions The total shares of PPL Common Stock that could be issued under make-whole provisions for Equity Units in the event of early settlement upon a fundamental change. Universal Service Rider [Member] Universal Service Rider [Member] Costs incurred in for universal service programs including low-income programs. These costs are included in allowable costs for rate making purposes. These costs are part of an over-or-under recovery mechanism. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Energy purchases from affiliate Utilities Operating Expense Purchased Power From Related Parties The amount of purchased power from related parties charged against earnings for the period. Defined benefit plans - funding Defined benefit plans - funding Payment for Pension and Other Postretirement Benefits Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Narragansett Electric Narragansett Electric [Member] Narragansett Electric Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Indemnifications for losses suffered related to items not covered by Aspen Power's representation and warranty insurance associated with the sale of Safari Holdings Indemnifications for losses suffered related to items not covered by Aspen Power's representation and warranty insurance associated with the sale of Safari Holdings [Member] Indemnifications for losses suffered related to items not covered by Aspen Power's representation and warranty insurance associated with the sale of Safari Holdings Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Income Taxes [Line Items] Income Taxes [Line Items] Discontinued Operations and Disposal Groups [Abstract] Income Taxes Income Tax Disclosure [Text Block] Unrecorded Unconditional Purchase Obligation, to be Paid, Years Two and Three Unrecorded Unconditional Purchase Obligation, to be Paid, Years Two and Three Unrecorded Unconditional Purchase Obligation, to be Paid, Years Two and Three Accounts payable Accounts Payable, Current Accounts Receivable Forgiven, Gross Accounts Receivable Forgiven, Gross Gross amount of customer receivables forgiven Other Other Noncash Income (Expense) At-The-Market Program At-The-Market Program [Member] At-The-Market equity distribution program Advance metering Infrastructure Advance metering Infrastructure [Member] Advance metering Infrastructure Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Disclosure [Table] Disclosure [Table] A table is a schedule used to present multi dimensional data and contains both an axis and line items. Regulatory Assets and Liabilities Schedule Of Regulatory Assets And Liabilities [Table Text Block] Tabular disclosure of assets and liabilities that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total cash consideration Business Combination, Consideration Transferred Retirement Plan Type [Domain] Retirement Plan Type [Domain] Entity Filer Category Entity Filer Category FY 2027 Gas ISR Plan Component [Axis] FY 2027 Gas ISR Plan Component [Axis] FY 2027 Gas ISR Plan Component Environmental Costs Recognized, Recovery Credited to Expense Environmental Remediation Expense, Recovery Retirement of term loan Repayments Of Term Loan, Short-term Debt, Maturing In More Than Three Months The cash outflow from a repayment of a borrowing having initial term of repayment of more than three months but less than one year or one operating cycle (if the normal cycle is more than one year). Dividends [Axis] Dividends [Axis] Other Comprehensive Income (Loss), Equity Investees' AOCI, before Reclassifications, Net of Tax Other Comprehensive Income (Loss), Equity Investees' AOCI, before Reclassifications, Net of Tax Accumulated other comprehensive income (AOCI) for proportionate share of equity method investee's OCI, attributable to parent. Commodity Purchases [Table] commodity purchases [Table] commodity purchases [Table] Capital Investment Capital Investment [Member] Capital Investment spend Guarantee Maximum Exposure for Safari Indemnification Guarantee Maximum Exposure for Safari Indemnification Guarantee Maximum Exposure for Safari Indemnification Disposal Group, Including Discontinued Operation, Income Tax Expense Attributable to Realization of Book-Tax Outside Basis, Domestic Disposal Group, Including Discontinued Operation, Income Tax Expense Attributable to Realization of Book-Tax Outside Basis, Domestic Amount of income tax expense (benefit) related to domestic income taxes for discontinued operations charged (credited) directly to shareholders' equity. Syndicated Credit Facility [Member] Syndicated Credit Facility [Member] Syndicated credit facility which provides the company the ability to make cash borrowings and to request the lenders to issue letters of credit. Accumulated Cost Of Removal Of Utility Plant [Member] Removal Costs [Member] LoC Beneficiary [Axis] LoC Beneficiary [Axis] Entity on whose behalf the letters of credit were obtained. Public Utilities, Customer Bill Credit Agreement, Total Public Utilities, Customer Bill Credit Agreement, Total Special agreement as a part of the Rhode Island acquisition to provide bill credits to Rhode Island Customers Annual Storm Damage Expense Rider Maximum Approved in Rate Case Annual Storm Damage Expense Rider Maximum Approved in Rate Case Annual Storm Damage Expense Rider Maximum Approved in Rate Case Company Affiliate [Member] Company Afiliate 1 [Member] Details transactions arising between the entity and an affiliate of the parent company. Not Designated As Hedging Instruments [Member] Not Designated as Hedging Instrument [Member] Gas Contracts Commodity Option [Member] Restricted cash and cash equivalents Fair Value Assets Measured On Recurring Basis Restricted Cash And Cash Equivalents The combined current and noncurrent carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Contingent proportionate share of OVEC's outstanding debt Proportionate Share Of Ohio Valley Electric Corporation Outstanding Debt Entity's contingent proportionate share of OVEC's outstanding debt. Distributions to member Payments of Distributions to Affiliates Assets, Current [Abstract] Current Assets Assets, Current [Abstract] Net Derivative Liability Operating Revenues Pro Forma Business Combination, Pro Forma Information, Pro Forma Revenue Senior Notes [Member] Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Capital Investment Spend on FY 2026 Electric ISR Plan Capital Investment Spend on FY 2026 Electric ISR Plan Capital Investment Spend on FY 2026 Electric ISR Plan Income Taxes Total income tax expense Income Tax Expense (Benefit) Income Tax Expense (Benefit) Virginia State Corporation Commission Virginia State Corporation Commission [Member] Virginia State Corporation Commission Pennsylvania Public Utility Commission Pennsylvania Public Utility Commission [Member] Pennsylvania Public Utility Commission Entity Incorporation, State or Country Code Entity Incorporation State Country Code 1 Two-character EDGAR code representing the state or country of incorporation. Environmental Matters - Air (Numeric) [Abstract] Environmental Matters Domestic Air Numeric [Abstract] Total Approved Spend on FY 2026 Gas ISR Plan Total Approved Spend on FY 2026 Gas ISR Plan Total Approved Spend on FY 2026 Gas ISR Plan Other Revenue Other Revenue Additional revenues outside the scope of revenues from contracts with customers - which could include, but doesn't have to include leases, late charges, returned checks or other miscellaneous revenues. Liabilities [Abstract] Offsetting Derivative Liabilities [Abstract] Accounting Standards Update and Change in Accounting Principle Accounting Standards Update and Change in Accounting Principle [Text Block] Vote per share of PPL's common stock Votes Per Share Of Common Stock The number of votes each holder of one share of the company's common stock is entitled to on any questions presented to any shareowners' meeting. Notes receivable from affiliates Proceeds from Collection of (Payments to Fund) Long-Term Loans to Related Parties Fuel Fuel Costs Year of Rate Plan [Axis] Year of Rate Plan [Axis] Year of Rate Plan Statement [Table] Statement [Table] Regulatory liabilities Current regulatory liabilities Regulatory Liability, Current Interest rate derivatives Interest Rate Derivative Liabilities, at Fair Value Foreign currency translation adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss), Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Amount after tax, of reclassification adjustments from accumulated other comprehensive income (loss), realized upon the sale or liquidation of an investment in a foreign entity, for gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Maximum Percentage Paid To Selling Agents Maximum Percentage Paid To Selling Agents Maximum percentage of gross offering proceeds of the shares sold which is paid to selling agents with respect to each equity distribution agreement. CPCN 4-Hour Energy Storage Facility to be Constructed, Power CPCN 4-Hour Battery Energy Storage Facility to be Constructed, Power The power rating of the 4-hour battery energy storage facility applied for via CPCN to be constructed at the E.W. Brown Generating Station in Mercer County, Kentucky. Common Stock, Forward Contract, Physical Shares Scenario Settlement Proceeds Common Stock, Forward Contract, Physical Shares Scenario Settlement Proceeds The total amount of proceeds from a possible settlement of a forward contract through physical delivery of common stock shares. Senior Notes due 2034 Senior Notes due 2034 [Member] Senior Notes due 2034 Fair Values by Balance Sheet Location [Abstract] Fair Values By Balance Sheet Location [Abstract] PPL Electric Additional Sites [Member] PPL Electric Additional Sites [Member] Additional sites previously owned or operated by PPL Electric predecessors or affiliates. Requested Storm Damage Expense Rider Expense Requested Storm Damage Expense Rider Expense Requested Storm Damage Expense Rider Expense Total Deferred Credits and Other Noncurrent Liabilities Liabilities, Other than Long-Term Debt, Noncurrent Contract with Customer, Asset and Liability [Table Text Block] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Asset value Gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Net Proceeds From Divestiture Of Businesses Net Proceeds From Divestiture Of Businesses The net cash inflow, after taxes and fees, associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. Pollution Control Revenue Refunding Bonds, 2016 Series [Member] Pollution Control Revenue Refunding Bonds, 2016 Series [Member] Pollution Control Revenue Refunding Bonds, 2016 Series Long-term Debt (Numeric) [Abstract] Debt Instruments [Abstract] Long Term Debt Activity [Domain] Long Term Debt Activity [Domain] Activity of long-term debt, such as remarketings or exchanges. Note Payable [Member] Note Payable [Member] A written promise to pay a note. Unamortized Loss On Debt [Member] Loss on Reacquired Debt [Member] Change in Enacted Tax Rate Recognition Description [Domain] Change in Enacted Tax Rate Recognition Description [Domain] Change in Enacted Tax Rate Recognition Description [Domain] Maximum Selling Agent Compensation, Equity Distribution Maximum Selling Agent Compensation, Equity Distribution Maximum percentage of compensation paid to selling agents on equity distributions Gas Contracts, Asset (Liability), Balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Accrual for RIAG Evaluation Fund Accrual for RIAG Evaluation Fund [Member] Accrual for RIAG Evaluation Fund Shares of Common Stock (Denominator) [Abstract] Shares of Common Stock Denominator [Abstract] Estimate maximum disallowed AFUDC Estimate maximum disallowed AFUDC Estimate maximum disallowed AFUDC Counterparty collateral Counterparty collateral Counterparty collateral Offsetting Assets And Liabilities [Table] Offsetting Assets And Liabilities [Table] Tabular disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements. Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Individually Immaterial Counterparties [Member]