Income Statement [Abstract]
Statement [Table]
Statement [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
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.
LG And E And KU Energy LLC [Member]
L G And E And K U Energy L L C [Member]
A 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.
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.
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.
Statement [Line Items]
Statement [Line Items]
Operating Revenues
Revenues [Abstract]
Retail and wholesale
Regulated Operating Revenue
Electric revenue from affiliate
Revenue from Related Parties
Operating Revenues
Revenues
Operating Expenses
Operating Expenses [Abstract]
Operation
Utilities Operating Expense [Abstract]
Fuel
Fuel Costs
Energy purchases
Purchased Power And Gas
Costs incurred for purchased power and purchased gas charged against earnings for the period.
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.
Other operation and maintenance
Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses
Depreciation
Utilities Operating Expense, Depreciation and Amortization
Taxes, other than income
Utilities Operating Expense, Taxes
Total Operating Expenses
Utilities Operating Expense
Operating Income
Operating Income (Loss)
Other Income (Expense) - net
Other Nonoperating Income (Expense)
Interest Income from Affiliate
Interest Income, Related Party
Interest Expense
Interest Expense
Interest Expense with Affiliate
Interest Expense, Related Party
Income Taxes
Income Tax Expense (Benefit)
Income from Continuing Operations After Income Taxes
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Net Income
Net Income (Loss) Attributable to Parent
Earnings Per Share of Common Stock:
Earnings Per Share [Abstract]
Net Income:
Net Income (Loss) Available to Common Stockholders, Basic [Abstract]
Basic (in dollars per share)
Earnings Per Share, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Weighted-Average Shares of Common Stock Outstanding (in thousands)
Weighted Average Number of Shares Outstanding, Basic [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income [Text Block]
The entire disclosure of accumulated other comprehensive income (loss).
Commitments and Contingencies Disclosure [Abstract]
Schedule Of Guarantee Obligations [Table]
Schedule of Guarantor Obligations [Table]
By Company [Axis]
By Company [Axis]
The set of companies associated with the report.
By Company [Domain]
By Company [Domain]
All the names of the companies being reported upon in a document.
PPL Electric [Member]
PPL Electric Utilities Corporation [Member]
A direct subsidiary of PPL and a regulated public utility. PPL Electric delivers electricity in Pennsylvania.
Guarantee By Entity [Axis]
Guarantee By Entity [Axis]
Information about guarantees and other assurances detailed by subsidiary, if applicable.
Guarantee By Entity [Domain]
Guarantee By Entity [Domain]
Description of guarantees and other assurances detailed by subsidiary, if applicable.
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.
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.
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.
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.
Guarantee By Nature [Axis]
Guarantor Obligations, Nature [Axis]
Guarantee By Nature [Domain]
Guarantor Obligations, Nature [Domain]
Indemnification Guarantee [Member]
Indemnification Agreement [Member]
Financial Guarantee [Member]
Financial Guarantee [Member]
Guarantee By Description [Axis]
Guarantee By Description [Axis]
Information about guarantees and other assurances by description.
Guarantee By Description [Domain]
Guarantee By Description [Domain]
Description of specific guarantees and other assurances.
Indemnifications Related To WPD Midlands Acquisition [Member]
Indemnifications Related To WPD Midlands Acquisition [Member]
Indemnifications related to the acquisition of WPD Midlands acquisition to indemnify certain former directors of a Turkish entity in which WPD Midlands Holdings Limited previously owned an interest for any liabilities that may arise as a result of an investigation by Turkish tax authorities, and PPL WEM has received a cross-indemnity from E.ON AG with respect to these indemnification obligations. Additionally, PPL subsidiaries agreed to provide indemnifications to subsidiaries of E.ON AG for certain liabilities relating to properties and assets owned by affiliates of E.ON AG that were transferred to WPD Midlands in connection with the acquisition.
WPD Indemnifications For Entities In Liquidation and Sales Of Assets [Member]
WPD Indemnifications For Entities In Liquidation Sales Of Assets [Member]
Indemnifications for entities in liquidation and sales of assets.
WPD Guarantee Of Pension And Other Obligations Of Unconsolidated Entities [Member]
WPD Guarantee Of Pension And Other Obligations Of Unconsolidated Entities [Member]
WPD guarantee of pension and other obligations of unconsolidated entities.
Guarantee Of Inventory Value [Member]
Guarantee Of Inventory Value [Member]
Guarantee to purchase any remaining inventory that has not been used or sold from the guaranteed party, thus protecting the guaranteed party from reductions in the fair value of the inventory.
Indemnification Of Lease Termination And Other Divestitures [Member]
Indemnifications Issued By LKE [Member]
Indemnifications issued by LKE to third parties prior to the PPL acquisition in November 2010.
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.
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations [Line Items]
Recorded liability for all guarantees
Guarantor Obligations, Current Carrying Value
Maximum exposure
Guarantor Obligations, Maximum Exposure, Undiscounted
Maximum exposure is not estimable
Guarantor Obligations, Maximum Exposure Inestimable
Term of guarantee (in years)
Guarantor Obligations, Term
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.
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.
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.
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.
Other Guarantee (Numeric) [Abstract]
Other Guarantee (Numeric) [Abstract]
Maximum aggregate coverage bodily injury and property damage
Maximum Aggregate Coverage Bodily Injury And Property Damage
Maximum aggregate insurance coverage for liability assumed under contract for bodily injury and property damage.
Income Tax Disclosure [Abstract]
Tax Reform [Table]
Tax Reform [Table]
Tax Reform [Table]
Tax Adjustment Items [Axis]
Tax Adjustment Type [Axis]
Tax Adjustment Type [Axis]
Tax Adjustment Items [Domain]
Tax Adjustment Type [Domain]
[Domain] for Tax Adjustment Type [Axis]
Tax Reform [Line Items]
Tax Reform [Line Items]
Line Items for Tax Reform Table
Debt Disclosure [Abstract]
Schedule of Short-term Debt [Table]
Schedule of Short-term Debt [Table]
PPL Capital Funding [Member]
PPL Capital Funding [Member]
A wholly owned financing subsidiary of PPL.
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.
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.
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
Commercial Paper [Member]
Commercial Paper [Member]
Reclassified Debt [Axis]
Reclassified Debt [Axis]
Reclassification of commercial paper from short-term to long-term.
Reclassified Debt [Domain]
Reclassified Debt [Domain]
[Domain] for Reclassification of commercial paper from short-term to long-term.
Short-term Debt [Line Items]
Short-term Debt [Line Items]
Weighted - Average Interest Rate
Short-term Debt, Weighted Average Interest Rate, at Point in Time
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.
Commercial Paper Issuances
Commercial Paper
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.
Statement of Stockholders' Equity [Abstract]
Statement Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Earnings Reinvested [Member]
Retained Earnings [Member]
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.
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.
Income Taxes [Table]
Income Taxes [Table]
Describes the details pertaining to income taxes.
Income Taxes [Line Items]
Income Taxes [Line Items]
Schedule of Effective Income Tax Rate Reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Indefinite-Lived Intangible Assets [Table]
Schedule of Indefinite-Lived Intangible Assets [Table]
Segments [Axis]
Segments [Axis]
Segment [Domain]
Segments [Domain]
Corporate and Other [Member]
Corporate Segment [Member]
United Kingdom Regulated [Member]
United Kingdom Regulated [Member]
Consists primarily of the regulated electric distribution operations in the United Kingdom
Indefinite-Lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets [Axis]
Indefinite-Lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets [Line Items]
Accounting Policies [Abstract]
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
A summary of the various accounting policy disclosures.
U.K. Regulated [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Member]
Adjustments for Change in Accounting Principle [Axis]
Adjustments for Change in Accounting Principle [Axis]
Adjustments for Change in Accounting Principle [Domain]
Adjustments for Change in Accounting Principle [Domain]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Goodwill
Goodwill
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
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]
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]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Restricted Cash, Current
Restricted Cash, Current
Restricted Cash, Noncurrent
Restricted Cash, Noncurrent
Cash, Cash Equivalents and Restricted Cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Financing Receivable, after Allowance for Credit Loss, Current [Abstract]
Financing Receivable, after Allowance for Credit Loss, Current [Abstract]
Financing Receivable, Allowance for Credit Loss [Table]
Financing Receivable, Allowance for Credit Loss [Table]
Class of Financing Receivable [Axis]
Class of Financing Receivable [Axis]
Class of Financing Receivable [Domain]
Class of Financing Receivable [Domain]
Accounts Receivable - Customer and Unbilled Revenue [Member]
Accounts Receivable Customer and Unbilled Revenue [Member]
Amounts receivable from customers and unbilled revenue.
Other [Member]
Other Class of Financing Receivable [Member]
Other Class of Financing Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss [Line Items]
Balance
Financing Receivable, Allowance for Credit Loss
Charged to Income
Financing Receivable, Credit Loss, Expense (Reversal)
Deductions
Financing Receivable, Allowance for Credit Loss, Writeoff
New Accounting Guidance Adopted [Abstract]
New Accounting Guidance Adopted [Abstract]
New Accounting Guidance Adopted [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Statement of Financial Position [Abstract]
Assets
Assets [Abstract]
Assets, Current [Abstract]
Assets, Current [Abstract]
Accounts receivable (less reserve:)
Receivables, Net, Current [Abstract]
Customer
Accounts Receivable, after Allowance for Credit Loss, Current
Other
Nontrade Receivables, Current
Accounts receivable from affiliates
Accounts Receivable, Related Parties
Notes receivable from affiliate
Notes Receivable, Related Parties, Current
Unbilled revenues
Unbilled Contracts Receivable
Fuel, materials and supplies
Inventory, Net
Prepayments
Prepaid Expense, Current
Price risk management assets
Derivative Instruments and Hedges, Assets
Regulatory assets
Regulatory Assets, Current
Other current assets
Other Assets, Current
Total Current Assets
Assets, Current
Property, Plant and Equipment
Property, Plant and Equipment, Net [Abstract]
Regulated utility plant
Public Utilities, Property, Plant and Equipment, Plant in Service
Less: accumulated depreciation - regulated utility plant
Public Utilities, Property, Plant and Equipment, Accumulated Depreciation
Regulated utility plant, net
Public Utilities, Property, Plant and Equipment, Net
Non-regulated property, plant and equipment
Property, Plant and Equipment, Other, Gross
Less: accumulated depreciation - non-regulated property, plant and equipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
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.
Construction work in progress
Construction in Progress, Gross
Property, Plant and Equipment, net
Property, Plant and Equipment, Net
Other Noncurrent Assets
Assets, Noncurrent [Abstract]
Regulatory assets
Regulatory Assets, Noncurrent
Other intangibles
Intangible Assets, Net (Excluding Goodwill)
Pension benefit asset
Assets for Plan Benefits, Defined Benefit Plan
Price risk management assets
Derivative Instruments and Hedges, Noncurrent
Other noncurrent assets
Other Assets, Noncurrent
Total Other Noncurrent Assets
Assets, Noncurrent
Total Assets
Assets
Liabilities and Equity
Liabilities and Equity [Abstract]
Current Liabilities
Liabilities, Current [Abstract]
Short-term debt
Short-term Debt
Long-term debt due within one year
Long-term Debt, Current Maturities
Notes payable with affiliates
Notes Payable, Related Parties, Current
Accounts payable
Accounts Payable, Current
Accounts payable to affiliates
Accounts Payable, Related Parties, Current
Taxes
Taxes Payable, Current
Price risk management liabilities
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.
Interest
Interest Payable, Current
Dividends
Dividends Payable, 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.
Regulatory liabilities
Regulatory Liability, Current
Asset retirement obligations
Asset Retirement Obligation, Current
Other current liabilities
Other Liabilities, Current
Total Current Liabilities
Liabilities, Current
Long-term Debt
Long-term Debt, Unclassified [Abstract]
Long-term debt
Notes and Loans, Noncurrent
Long-term debt to affiliate
Notes Payable, Related Parties, Noncurrent
Long-term Debt
Long-term Debt, Excluding Current Maturities
Deferred Credits and Other Noncurrent Liabilities
Liabilities, Noncurrent [Abstract]
Deferred income taxes
Deferred Income Tax Liabilities, Net
Investment tax credits
Deferred Investment Tax Credit
The noncurrent portion of the deferred investment tax credits as of the balance sheet date.
Accrued pension obligations
Liability, Defined Benefit Pension Plan, Noncurrent
Asset retirement obligations
Asset Retirement Obligations, 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.
Other deferred credits and noncurrent liabilities
Other Liabilities, Noncurrent
Total Deferred Credits and Other Noncurrent Liabilities
Liabilities, Noncurrent
Commitments and Contingent Liabilities
Commitments and Contingencies
Equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Earnings reinvested
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total Equity
Stockholders' Equity Attributable to Parent
Member's Equity
Members' Equity
Total Liabilities and Equity
Liabilities and Equity
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Interest Rate Risk And Foreign Currency Risk [Table]
Interest Rate Risk And Foreign Currency Risk [Table]
Derivative Instruments Gain (Loss) By Hedging Relationship [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Cash Flow Hedges [Member]
Cash Flow Hedging [Member]
Net Investment Hedges [Member]
Net Investment Hedging [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.
Derivative Instrument Risk [Axis]
Derivative Instrument [Axis]
Derivative Contract Type [Domain]
Derivative Contract [Domain]
Cross Currency Interest Rate Swap Contracts [Member]
Cross Currency Interest Rate Contract [Member]
Interest Rate Swaps [Member]
Interest Rate Swap [Member]
Foreign Currency Contracts [Member]
Foreign Exchange Contract [Member]
Derivative Instrument Additional Information [Axis]
Derivative Instrument Additional Information [Axis]
Additional Information By Type of Derivative Contract
Derivative Instrument Additional Information [Domain]
Derivative Instrument Additional Information [Domain]
[Domain] for Additional Information By Type of Derivative Contract
Interest Rate Risk And Foreign Currency Risk [Line Items]
Interest Rate Risk And Foreign Currency Risk [Line Items]
Interest Rate Risk - Cash Flow Hedges (Numeric) [Abstract]
Interest Rate Risk Cash Flow Hedges Numeric [Abstract]
Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net
Gain (Loss) on Discontinuation of Interest Rate Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring, Net
Derivative, Notional Amount
Derivative, Notional Amount
Foreign Currency Risk - Net Investment Hedges (Numeric) [Abstract]
Summary of Net Investment Hedge Activity [Abstract]
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
Foreign Currency Risk - Economic Activity (Numeric) [Abstract]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments [Abstract]
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.
Regulated Operations [Abstract]
Schedule Of Regulatory Assets [Table]
Schedule of Regulatory Assets [Table]
Regulatory Assets [Axis]
Regulatory Asset [Axis]
Regulatory Assets [Domain]
Regulatory Asset [Domain]
Plant outage costs [Member]
Plant outage costs [Member]
Plant outage costs [Member]
Gas supply clause [Member]
Asset Recoverable Gas Costs [Member]
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.
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.
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.
Defined Benefit Plans [Member]
Pension and Other Postretirement Plans Costs [Member]
Storm Costs [Member]
Storm Costs [Member]
Unamortized Loss On Debt [Member]
Loss on Reacquired Debt [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.
Accumulated Cost Of Removal Of Utility Plant [Member]
Removal Costs [Member]
Asset Retirement Obligations [Member]
Asset Retirement Obligation Costs [Member]
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.
Other Regulatory Assets [Member]
Other Regulatory Assets [Member]
Regulatory Assets [Line Items]
Regulatory Assets [Line Items]
Current regulatory assets
Noncurrent regulatory assets
Derivative Instruments, Gain (Loss) By Hedging Relationship, By Income Statement Location, By Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Not Designated As Hedging Instruments [Member]
Not Designated as Hedging Instrument [Member]
Designated As Hedging Instruments [Member]
Designated as Hedging Instrument [Member]
Foreign Currency Contracts [Member]
Cross Currency Swaps [Member]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Interest Expense [Member]
Interest Expense [Member]
Other Income (Expense) Net [Member]
Other Income Expense Net [Member]
The caption reflecting other nonoperating income and expense, net.
Other Comprehensive Income Location [Axis]
Other Comprehensive Income Location [Axis]
Other Comprehensive Income Location [Domain]
Other Comprehensive Income Location [Domain]
Other Comprehensive Income (Loss) [Member]
Other Comprehensive Income (Loss) [Member]
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.
Derivatives Fair Value By Balance Sheet Location [Domain]
Derivative Balance Sheet Location [Domain]
The balance sheet location of gains and losses on derivative instruments.
Regulatory Assets Noncurrent [Member]
Regulatory Assets Noncurrent [Member]
The amount recorded to noncurrent regulatory assets.
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract]
Amounts Included In Income Statement Or Other Comprehensive Income [Abstract]
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).
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.
Gain (loss) recognized in income on derivative
Derivative, Gain (Loss) on Derivative, Net
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.
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.
Hedged items
Hedged Item, Gain (Loss) To Income
The gain/(loss) on the hedged item recorded to income.
Segment Reporting [Abstract]
Segment and Related Information
Segment Reporting Disclosure [Text Block]
Derivatives, Offsetting Fair Value Amounts, Policy
Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block]
Related Party Transactions [Abstract]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Accounts receivable from affiliates [Member]
Accounts receivable from affiliates [Member]
Financial statement caption encompassing accounts receivable from affiliates.
Long Term Debt Type [Axis]
Long-term Debt, Type [Axis]
Long Term Debt Type [Domain]
Long-term Debt, Type [Domain]
Note Payable [Member]
Note Payable [Member]
A written promise to pay a note.
Note Payable [Member]
Note Payable 1 [Member]
A written promise to pay a note.
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
PPL Services [Member]
Services Company Affiliate [Member]
A subsidiary of the parent that provides services to the parent and the parent's subsidiaries.
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.
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.
Affiliated Entity [Member]
Affiliated Entity [Member]
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.
PPL Affiliate [Member]
Company Affiliate [Member]
Details transactions arising between the entity and an affiliate of the parent company.
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.
Related Party Transactions [Line Items]
Related Party Transaction [Line Items]
Support Costs (Details) [Abstract]
Support Costs Details [Abstract]
Related Party Transaction, Amounts of Transaction
Related Party Transaction, Amounts of Transaction
Intercompany Borrowings (Numeric) [Abstract]
Intercompany Borrowings Numeric [Abstract]
Debt instrument term (in years)
Debt Instrument, Term
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.
Notes Receivable, Related Parties, Current
Intercompany Money Pool Agreement Maximum Borrowing Capacity
Intercompany Money Pool Agreement Maximum Borrowing Capacity
Maximum borrowing capacity under the money pool agreement with an affiliate of the reporting entity.
Stated interest rate
Debt Instrument, Interest Rate, Stated Percentage
Related Party Transaction, Rate
Related Party Transaction, Rate
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
Asset Retirement Obligation Disclosure [Abstract]
Disclosure [Table]
Disclosure [Table]
A table is a schedule used to present multi dimensional data and contains both an axis and line items.
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.
Asset Retirement Obligations
Asset Retirement Obligation Disclosure [Text Block]
Distributions (Numeric) [Abstract]
Distributions Numeric [Abstract]
Current quarterly common stock dividend (in dollars per share)
Common Stock, Dividends, Per Share, Declared
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.
Financing Activities
Debt Disclosure [Text Block]
Fair Value Disclosures [Abstract]
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]
Fair Value, by Balance Sheet Grouping
Fair Value, by Balance Sheet Grouping [Table Text Block]
Assets [Abstract]
Current Assets
Receivables, Net, Current [Abstract]
Accounts receivable reserve for doubtful accounts
Accounts Receivable, Allowance for Credit Loss, Current
Unbilled Contracts Receivable, Allowance for Credit Loss, Current
Unbilled Contracts Receivable, Allowance for Credit Loss, Current
Unbilled Contracts Receivable, Allowance for Credit Loss, Current
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, no par value (in dollars per share)
Common Stock, No Par Value
Common stock shares authorized (in shares)
Common Stock, Shares Authorized
Common stock shares issued (in shares)
Common Stock, Shares, Issued
Common stock shares outstanding (in shares)
Common Stock, Shares, Outstanding
Derivative Instruments and Hedging Activities
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Statement of Comprehensive Income [Abstract]
Tax effect of foreign currency translation adjustments arising during the period
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax
Tax effect of qualifying derivatives arising during the period
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Tax effect of defined benefit plans - net actuarial gain (loss) arising during the period
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax
Tax effect of qualifying derivatives reclassified from AOCI
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
Tax effect of defined benefit plans - prior service costs reclassified from AOCI
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
Tax effect of defined benefit plans - net actuarial (gain) loss reclassified from AOCI
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax
Revenue from Contract with Customer [Abstract]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
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.
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.
Scenario [Axis]
Scenario [Axis]
Scenario [Domain]
Scenario [Domain]
Forecast [Member]
Forecast [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount
Revenue, Remaining Performance Obligation, Amount
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Revenue from Contracts with Customers [Table]
Revenue from contracts with customers [Table]
Revenue from contracts with customers [Table]
Segments [Axis]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Licensed energy suppliers [Member]
Licensed energy supplier [Member]
Licensed energy supplier [Member]
Residential [Member]
Residential [Member]
Customers who purchase services for private households and apartment buildings.
Commercial [Member]
Commercial [Member]
Customers who purchase services for non-manufacturing business establishments.
Industrial [Member]
Industrial [Member]
Customers who purchase services for the production of goods.
Other [Member]
Other [Member]
Customers who purchase services for miscellaneous purposes.
Wholesale - municipal [Member]
Wholesale Municipal [Member]
Municipalities who purchase services for the purpose of providing services to its citizens.
Wholesale - other [Member]
Wholesale Other [Member]
Energy retailers who purchase services for the purpose of reselling the services to a third-party.
Distribution [Member]
Distribution [Member]
Distribution [Member]
Transmission [Member]
Transmission [Member]
Transmission [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from contracts with customers [Line Items]
[Line Items] for Revenue from contracts with customers [Table]
Reconciliation of Revenue from Contracts with Customers [Abstract]
Reconciliation of revenue from contacts with customers [Abstract]
Reconciliation of revenue from contacts with customers [Abstract]
Operating Revenues
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.
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.
Disaggregation of Revenue [Abstract]
Disaggregation of Revenue [Abstract]
Revenues from Contracts with Customers
Revenue from Contract with Customer, Excluding Assessed Tax
Contract with Customer, Asset and Liability [Abstract]
Contract with Customer, Asset and Liability [Abstract]
Accounts Receivable, Credit Loss Expense (Reversal)
Accounts Receivable, Credit Loss Expense (Reversal)
Contract with Customer, Liability
Contract with Customer, Liability
Contract with Customer, Liability, Revenue Recognized
Contract with Customer, Liability, Revenue Recognized
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Other Nonoperating Income (Expense) [Abstract]
Other Income (Expense) Net [Line Items]
Other Income (Expense) Net [Line Items]
Schedule of Other Nonoperating Income (Expense)
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Segment and Related Information
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Interim Financial Statements [Abstract]
Interim Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Leases [Abstract]
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Utility Rate Regulation [Line Items]
Regulated Operations [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.
Revenue from Contracts with Customers
Revenue from Contract with Customer [Text Block]
Statement of Cash Flows [Abstract]
Cash Flows from Operating Activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net Income
Depreciation
Depreciation
Amortization
Amortization
Defined benefit plans - (income) expense
Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash
Deferred income taxes and investment tax credits
Deferred Income Taxes and Tax Credits
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.
Stock-based compensation expense
Share-based Payment Arrangement, Noncash Expense
Other
Other Noncash Income (Expense)
Change in current assets and current liabilities
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable
Increase (Decrease) in Receivables
Accounts receivable from affiliates
Increase (Decrease) in Accounts Receivable, Related Parties
Accounts payable
Increase (Decrease) in Accounts Payable, Trade
Accounts payable to affiliates
Increase (Decrease) in Accounts Payable, Related Parties
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.
Fuel, materials and supplies
Increase (Decrease) in Inventories
Prepayments
Increase (Decrease) in Prepaid Expense
Regulatory assets and liabilities, net
Increase (Decrease) in Regulatory Assets and Liabilities
Taxes payable
Increase (Decrease) in Accrued Taxes Payable
Accrued interest
Increase (Decrease) in Interest Payable, Net
Other current liabilities
Increase (Decrease) in Other Current Liabilities
Other
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Other operating activities
Other Operating Activities [Abstract]
Defined benefit plans - funding
Payment for Pension Benefits
Expenditures for asset retirement obligations
Asset Retirement Obligation, Cash Paid to Settle
Other assets
Increase (Decrease) in Other Noncurrent Assets
Other liabilities
Increase (Decrease) in Other Noncurrent Liabilities
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Cash Flows from Investing Activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Expenditures for property, plant and equipment
Payments to Acquire Property, Plant, and Equipment
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.
Purchase of investments
Payments to Acquire Investments
Proceeds from the sale of investments
Proceeds from Sale, Maturity and Collection of Investments
Expenditures for intangible assets
Payments to Acquire Intangible Assets
Other investing activities
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash Flows from Financing Activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net increase (decrease) in notes payable with affiliate
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.
Distributions to member
Payments of Distributions to Affiliates
Issuance of common stock
Proceeds from Issuance of Common Stock
Payment of common stock dividends
Payments of Ordinary Dividends, Common Stock
Issuance of term loan
Proceeds from Short-term Debt, Maturing in More than Three Months
Payment of common stock dividends to parent
SEC Schedule, 12-04, Cash Dividends Paid to Registrant, Subsidiaries and Equity Method Investees
Net increase (decrease) in short-term debt
Proceeds from (Repayments of) Short-term Debt
Net increase (decrease) in short-term debt
Proceeds from (Repayments of) Short-term Debt, Maturing in Three Months or Less
Contributions from parent
Proceeds from Contributions from Parent
Other financing activities
Proceeds from (Payments for) Other Financing Activities
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of Exchange Rates on Cash, Cash Equivalents and Restricted Cash
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and Cash Equivalents at Beginning of Period
Cash and Cash Equivalents at End of Period
Cash, Cash Equivalents and Restricted Cash at Beginning of Period
Cash, Cash Equivalents and Restricted Cash at End of Period
Supplemental Disclosures of Cash Flow Information
Supplemental Cash Flow Information [Abstract]
Accrued expenditures for property, plant and equipment at March 31,
Capital Expenditures Incurred but Not yet Paid
Accrued expenditures for intangible assets at March 31,
Intangible Asset Expenditures Incurred But Not Yet Paid
Future cash outflow to pay for purchases of intangible assets that have occurred.
Document Entity Information [Abstract]
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.
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Common Stock [Member]
Common Stock [Member]
2013 Series B Junior Subordinated Notes due 2073 [Member]
2013 Series B Due 2073 [Member]
2013 Series B Due 2073 [Member]
2007 Series A Junior Subordinated Notes due 2067 [Member]
2007 Series A Due 2067 [Member]
2007 Series A Due 2067 [Member]
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.
Title of 12(b) Security
Title of 12(b) Security
Entity Shell Company
Entity Shell Company
Entity Interactive Data Current
Entity Interactive Data Current
Entity File Number
Entity File Number
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code 1
Two-character EDGAR code representing the state or country of incorporation.
Entity Address, Address Line One
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, City or Town
Entity Address, State or Province
Entity Address, State or Province
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Entity Registrant Name
Entity Registrant Name
Entity Tax Identification Number
Entity Tax Identification Number
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Current Reporting Status
Entity Current Reporting Status
Entity Filer Category
Entity Filer Category
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Quarterly Report
Document Quarterly Report
Document Transition Report
Document Transition Report
Trading Symbol
Trading Symbol
Security Exchange Name
Security Exchange Name
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.
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Fair Value By Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Financial Instruments Not Recorded at Fair Value, Other [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Carrying Amount [Member]
Reported Value Measurement [Member]
Fair Value [Member]
Estimate of Fair Value Measurement [Member]
Fair Value of Financial Instruments Not Recorded at Fair Value - Other
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure
Debt Instrument, Fair Value Disclosure
Income Taxes
Income Tax Disclosure [Text Block]
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.
Schedule of Accumulated Other Comprehensive Income (Loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Reclassification out of Other Comprehensive Income (Loss)
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
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]
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue [Table Text Block]
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]
Contract with Customer, Asset and Liability [Table Text Block]
Contract with Customer, Asset and Liability [Table Text Block]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value By Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value By Measurement Frequency [Domain]
Measurement Frequency [Domain]
Recurring Fair Value Measurements [Member]
Fair Value, Recurring [Member]
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value By Fair Value Hierarchy Level [Domain]
Fair Value Hierarchy and NAV [Domain]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Cash collateral posted to counterparties
Other Assets, Fair Value Disclosure
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.
Special Use Funds [Abstract]
Special Use Funds [Abstract]
-- None. No documentation exists for this element. --
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.
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.
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.
Total special use funds
Health Care Trust Fund, Assets Limited To Use
Total healthcare trust fund assets that are limited in use.
Price risk management assets:
Price Risk Management Assets [Abstract]
Foreign currency contracts
Foreign Currency Contract, Asset, Fair Value Disclosure
Cross-currency swaps
Fair Value Assets Measured On Recurring Basis Cross Currency Swaps
Fair value of assets related to derivative instruments whose primary underlying risk is tied to interest rates and foreign exchange rates.
Total price risk management assets
Fair Value Assets Measured On Recurring Basis Derivative Financial Instruments
Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments.
Total Assets
Assets, Fair Value Disclosure
Liabilities
Liabilities [Abstract]
Price risk management liabilities:
Liabilities Price Risk Management Liabilities [Abstract]
Interest rate swaps
Interest Rate Derivative Liabilities, at Fair Value
Foreign currency contracts
Foreign Currency Contracts, Liability, Fair Value Disclosure
Total price risk management liabilities
Derivative Liability, Fair Value, Gross Liability
Retirement Benefits [Abstract]
Schedule Of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Retirement Plan Tax Status [Axis]
Retirement Plan Tax Status [Axis]
Retirement Plan Tax Status [Domain]
Retirement Plan Tax Status [Domain]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Pension Plan [Member]
Pension Plan [Member]
Other Postretirement Benefits Plan [Member]
Other Postretirement Benefits Plan [Member]
Retirement Plan Sponsor Location [Domain]
Retirement Plan Sponsor Location [Domain]
Domestic Plan [Member]
Domestic Plan [Member]
U.S.
UNITED STATES
Foreign Plan [Member]
Foreign Plan [Member]
U.K.
UNITED KINGDOM
Plan Sponsor [Domain]
Plan Sponsor [Domain]
All the names of the plan sponsors being reported upon in a document.
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.
Defined Benefits [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Net Periodic Defined Benefit Costs (Credits) (Details) [Abstract]
Defined Benefit Plan [Abstract]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization of: [Abstract]
Amortization Of [Abstract]
Prior service cost
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Actuarial loss
Defined Benefit Plan, Amortization of Gain (Loss)
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.
Settlements
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement
Net periodic defined benefit costs (credits)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Regulatory Asset Amortization Period
Regulatory Asset, Amortization Period
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.
Other Liabilities Disclosure [Abstract]
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 two separate equity distribution agreements.
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.
Common stock issued
Stock Issued During Period, Shares, New Issues
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).
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.
Antidilutive Securities Excluded From Diluted EPS
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Schedule Of Segment Reporting Information, By Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Segment and Related Information [Line Items]
Segment Reporting Information [Line Items]
Income Statement Data [Abstract]
Segment Reporting Information, Profit (Loss) [Abstract]
Operating Revenues from external customers
Balance Sheet Data [Abstract]
Segment Reporting Information Balance Sheet Data [Abstract]
Assets
Segment (Numeric) [Abstract]
Segment Reporting Information, Additional Information [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.
Number of Reportable Segments
Number of Reportable Segments
Number of Operating Segments
Number of Operating Segments
Adoption of Accounting Guidance [Abstract]
Adoption of Accounting Guidance [Abstract]
Financing Receivable, Allowance for Credit Loss [Table Text Block]
Financing Receivable, Allowance for Credit Loss [Table Text Block]
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]
Foreign currency translation adjustments [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Unrealized gains (losses) on qualifying derivatives [Member]
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Defined benefit plans Prior service costs [Member]
Accumulated Defined Benefit Plans Prior Service Costs [Member]
Changes to accumulated comprehensive income related to prior service costs.
Defined benefit plans Actuarial gain (loss) [Member]
Accumulated Defined Benefit Plans Actuarial Gain Loss [Member]
Changes to accumulated comprehensive income related to actuarial gain (loss).
Balance at beginning of period
Amounts arising during the period
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Reclassifications from AOCI
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Net OCI during the period
Other Comprehensive Income (Loss), Net of Tax
Balance at end of period
Purchases Of Accounts Receivable [Table]
Purchases Of Accounts Receivable [Table]
A table or schedule providing information pertaining to a purchase of accounts receivable program.
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
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.
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.
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.
Schedule Of Regulatory Liabilities [Table]
Schedule of Regulatory Liabilities [Table]
Regulatory Liabilities [Axis]
Regulatory Liability [Axis]
Regulatory Liabilities [Domain]
Regulatory Liability [Domain]
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.
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.
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.
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.
Fuel adjustment clause [Member]
Deferred Fuel Costs [Member]
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.
Storm Damage Expense Rider [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.
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.
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.
Terminated interest rate swaps [Member]
Other Regulatory Liabilities [Member]
Other Regulatory Liabilities [Member]
Represents regulatory liabilities not otherwise specified in the taxonomy.
Regulatory Liabilities [Line Items]
Regulatory Liabilities [Line Items]
Current regulatory liabilities
Noncurrent regulatory liabilities
Lessor, Lease, Description [Table]
Lessor, Lease, Description [Table]
Lessor, Lease, Description [Line Items]
Lessor, Lease, Description [Line Items]
Less amounts allocated to participating securities
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic
Net income available to PPL common shareowners - Basic
Net Income Available To Common Shareowners
Net income available to common shareowners.
Net income available to PPL common shareowners - Diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Shares of Common Stock (Denominator) [Abstract]
Shares of Common Stock Denominator [Abstract]
Weighted-average shares - Basic EPS (in shares)
Add incremental non-participating securities: [Abstract]
Add Incremental Non Participating Securities [Abstract]
Share-based payment awards (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
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.
Weighted-average shares - Diluted EPS (in shares)
Basic EPS - Available to PPL common shareowners: [Abstract]
Earnings Per Share, Basic [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)
Diluted EPS - Available to PPL common shareowners: [Abstract]
Earnings Per Share, Diluted [Abstract]
Net Income Available to PPL common shareowners (in dollars per share)
Shares Issued (Numeric) [Abstract]
Shares Issued Numeric [Abstract]
Common stock issued under stock-based compensation plans (in shares)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture
Common stock issued under DRIP (in shares)
Stock Issued During Period, Shares, Dividend Reinvestment Plan
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities Excluded From Computation Of Earnings Per Share, By Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Stock Options [Member]
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computations of diluted EPS
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Cause Of Valuation Allowance [Axis]
Cause Of Valuation Allowance [Axis]
Cause Of Valuation Allowance [Axis]
Cause Of Valuation Allowance [Domain]
Cause Of Valuation Allowance [Domain]
[Domain] for Cause Of Valuation Allowance [Axis]
Reconciliation of Income Tax Expense [Abstract]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income tax on Income Before Income Taxes at statutory tax rate
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Increase (decrease) due to: [Abstract]
Increase Decrease Due To [Abstract]
State income taxes, net of federal income tax benefit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Valuation allowance adjustments
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Impact of lower U.K. income tax rates relative to U.S. income tax rates
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
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.
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Total increase (decrease)
Total Increase Decrease To Federal Income Tax On Income From Continuing Operations 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.
Total income tax expense (benefit)
Other Nonoperating Income (Expense) [Table]
Other Nonoperating Income (Expense) [Table]
Other Nonoperating Income (Expense)
Other Income
Other Income, Nonoperating [Abstract]
Economic foreign currency exchange contracts
Gain (Loss) from Price Risk Management Activity
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.
Interest Income
Interest Income, Other
AFUDC - equity component
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity
Miscellaneous
OtherNonoperatingIncomeMiscellaneous
The aggregate amount of other income amounts, the components of which are not separately disclosed.
Total Other Income
Other Nonoperating Income
Other Expense
Other Expense, Nonoperating [Abstract]
Charitable Contributions
Charitable Contributions
Amount for contributions made to charitable organizations.
Miscellaneous
Other Nonoperating Expense Miscellaneous
The aggregate amount of other expense amounts, the components of which are not separately disclosed.
Total Other Expense
Other Nonoperating Expense
Other Income (Expense) - net
Line of Credit Facility [Table]
Line of Credit Facility [Table]
WPD PLC [Member]
Western Power Distribution Public Limited Company [Member]
An indirect U.K. subsidiary of PPL Global. Its principal indirectly owned subsidiaries are WPD (East Midlands), WPD (South Wales), WPD (South West) and WPD (West Midlands).
WPD South West [Member]
WPD South West [Member]
An indirect wholly owned United Kingdom subsidiary (South West) of PPL and a regional electricity distribution utility company.
WPD East Midlands [Member]
WPD East Midlands [Member]
An indirect wholly owned United Kingdom subsidiary (East Midlands) of PPL and a regional electricity distribution utility company.
WPD West Midlands [Member]
WPD West Midlands [Member]
An indirect wholly owned United Kingdom subsidiary (West Midlands) of PPL and a regional electricity distribution utility company.
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
UNITED KINGDOM
UNITED STATES
Credit Facility Description [Axis]
Credit Facility Description [Axis]
Information on the name and description of credit facility.
Credit Facility Description [Domain]
Credit Facility Description [Domain]
Description of the credit facility.
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.
Uncommitted Credit Facilities [Member]
Uncommitted Credit Facilities [Member]
Uncommitted credit facilities.
Term Loan Facility [Member]
Term Loan Facility [Member]
Term Loan Facility which provides the company the ability to make cash borrowings.
Bilateral Credit Facility [Member]
Revolving Credit Facility [Member]
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.
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Borrowed
Long-term Line of Credit
Letters of Credit and Commercial Paper Issued
Line of Credit Facility Amount of Letters of Credit 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.
Unused Capacity
Line of Credit Facility, Remaining Borrowing Capacity
Interest rate on outstanding borrowing
Line of Credit Facility, Interest Rate at Period End
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.
Fair Values Derivatives Balance Sheet Location By Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Current Assets [Member]
Current Assets [Member]
Line item in the statement of financial position representing assets which are expected to be realized within one year.
Noncurrent Assets [Member]
Noncurrent Assets [Member]
Line item in the statement of financial position representing assets which are expected to be realized longer than one year.
Current Liabilities [Member]
Current Liabilities [Member]
Line item in the statement of financial position representing liabilities which are expected to be paid or settled within one year.
Noncurrent Liabilities [Member]
Noncurrent Liabilities [Member]
Line item in the statement of financial position representing total liabilities which are expected to be paid or settled after one year.
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Fair Values by Balance Sheet Location [Abstract]
Fair Values By Balance Sheet Location [Abstract]
Asset value
Derivative Asset, Fair Value, Gross Asset
Liability value
Lease Cost [Abstract]
Lease, Cost [Abstract]
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Assets and Liabilities, Lessee [Abstract]
Assets and Liabilities, Lessee [Abstract]
Asset Retirement Obligations [Table]
Asset Retirement Obligations [Table]
Describes the details pertaining to asset retirement obligations.
Asset Retirement Obligation [Line Items]
Asset Retirement Obligation [Line Items]
Asset Retirement Obligation [Roll Forward]
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Balance at Beginning of Period
Asset Retirement Obligation
Accretion
Asset Retirement Obligation, Accretion Expense
Changes in estimated timing or cost
Asset Retirement Obligation, Revision of Estimate
Obligations settled
Asset Retirement Obligation, Liabilities Settled
Balance at End of Period
Long Term Debt Details [Table]
Schedule of Long-term Debt Instruments [Table]
LGE [Member]
Currency [Axis]
Currency [Axis]
All Currencies [Domain]
All Currencies [Domain]
Senior Notes [Member]
Senior Notes [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Term Loan Due 2022 [Member]
Term Loan Due 2022 [Member]
Term Loan Due 2022 [Member]
Senior Notes Due 2030 [Member]
Senior Notes Due 2030 [Member]
A debt obligation maturing in 2030.
Long Term Debt Activity [Axis]
Long Term Debt Activity [Axis]
Defines the activity of long-term debt.
Long Term Debt Activity [Domain]
Long Term Debt Activity [Domain]
Activity of long-term debt, such as remarketings or exchanges.
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Long-term Debt (Numeric) [Abstract]
Debt Instruments [Abstract]
Principal amount
Debt Instrument, Face Amount
Proceeds from Issuance of Secured Debt
Proceeds from Issuance of Secured Debt
Fair Value Measurements
Fair Value Disclosures [Text Block]
Guarantees
Schedule of Guarantor Obligations [Table Text Block]
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.
Treasury Derivatives [Member]
Swap [Member]
Offsetting Assets And Liabilities [Line Items]
Offsetting Assets And Liabilities [Line Items]
Assets [Abstract]
Offsetting Derivative Assets [Abstract]
Gross
Derivative instruments - eligible for offset
Derivative Asset, Not Offset, Policy Election Deduction
Cash collateral received - eligible for offset
Derivative, Collateral, Obligation to Return Cash
Net
Derivative Asset
Liabilities [Abstract]
Offsetting Derivative Liabilities [Abstract]
Gross
Derivative instruments - eligible for offset
Derivative Liability, Not Offset, Policy Election Deduction
Cash collateral pledged - eligible for offset
Derivative, Collateral, Right to Reclaim Cash
Net
Derivative Liability
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.
Derivative Credit Risk Related Contingent Features [Line Items]
Derivative Credit Risk Related Contingent Features [Line Items]
Credit Risk-Related Contingent Features [Abstract]
Derivative, Credit Risk Related Contingent Features [Abstract]
Aggregate fair value of derivative instruments in a net liability position with credit risk-related contingent features
Derivative Net Liability Position Aggregate Fair Value Alternative
The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period.
Aggregate fair value of collateral posted on these derivative instruments
Collateral Already Posted, Aggregate Fair Value
Aggregate fair value of additional collateral requirements in the event of a credit downgrade below investment grade
Additional Collateral, Aggregate Fair Value
Utility Rate Regulation
Public Utilities Disclosure [Text Block]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Loss [Member]
AOCI Attributable to Parent [Member]
Dividends Declared Per Share of Common Stock (in dollars per share)
Balance at beginning of period - shares
Balance at beginning of period
Balance at beginning of period
Common stock shares issued
Common stock issued
Stock Issued During Period, Value, New Issues
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.
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.
Dividends and dividend equivalents
Dividends
Dividends declared on common stock
Dividends Common Stock Cash And Non Cash
Amount of paid and unpaid common stock dividends declared.
Distributions to member
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared
Other comprehensive income (loss)
Balance at end of period - shares
Balance at end of period
Balance at end of period
Cumulative Effect of New Accounting Principle in Period of Adoption
Cumulative Effect of New Accounting Principle in Period of Adoption
Schedule of Line of Credit Facilities
Schedule of Line of Credit Facilities [Table Text Block]
Schedule of Short-term Debt
Schedule of Short-term Debt [Table Text Block]
Asset Retirement Obligation Roll Forward
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Master Netting Arrangements [Table]
Master Netting Arrangements [Table]
Master Netting Arrangements (Numeric) [Line Items]
Master Netting Arrangements Numeric [Line Items]
Cash collateral obligation under master netting arrangements
Cash colleteral posted under master netting arrangements
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
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]
Schedule Of Net Periodic Defined Benefit Costs (Credits)
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
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.
Reclassification Out Of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Qualifying Derivatives [Member]
Defined Benefit Plans [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Prior Service Costs [Member]
Net Actuarial Loss [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification Out Of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Amounts Reclassified From Accumulated Other Comprehensive Income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Affected Line Item on the Statements of Income [Line Items]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest Expense
Total Pre-tax
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income Taxes
Total After-tax
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Amounts Arising During Period Gains Losses Net Of Tax Expense Benefit [Abstract]
Foreign currency translation adjustments, net of tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
Qualifying derivatives, net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Defined benefit plans:
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract]
Defined benefit plan, Net actuarial gain (loss), net of tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
Reclassifications from AOCI - (gains) losses, net of tax expense (benefit):
Other Comprehensive Income Loss Reclassifications To Net Income Loss Net Of Tax [Abstract]
Qualifying derivatives, net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Defined benefit plans:
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract]
Defined benefit plan, Prior service costs, net of tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
Defined benefit plan, Net actuarial (gain) loss, net of tax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax
Total other comprehensive income (loss)
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Accounting Changes and Error Corrections [Abstract]
Environmental Matters [Table]
Environmental Matters [Table]
Describes the details pertaining to environmental matters.
Environmental Remediation Site [Axis]
Environmental Remediation Site [Axis]
Environmental Remediation Site [Domain]
Environmental Remediation Site [Domain]
PPL Electric Additional Sites [Member]
PPL Electric Additional Sites [Member]
Additional sites previously owned or operated by PPL Electric predecessors or affiliates.
Environmental Matters [Line Items]
Environmental Matters [Line Items]
Environmental Matters - Air (Numeric) [Abstract]
Environmental Matters Domestic Air Numeric [Abstract]
Environmental Matters - Water/Waste - Coal Combustion Residuals (Numeric) [Abstract]
Environmental Matters Water Waste Coal Combustion Residuals Numeric [Abstract]
Environmental Matters - Superfund and Other Remediation (Numeric) [Abstract]
Environmental Matters Superfund And Other Remediation Numeric [Abstract]
Accrual for Environmental Loss Contingencies
Accrual for Environmental Loss Contingencies
Other - Labor Union Agreements (Numeric) [Abstract]
Other - Labor Unions [Abstract]
Other - Labor Unions [Abstract]
Credit Loss, Financial Instrument [Text Block]
Credit Loss, Financial Instrument [Policy Text Block]
New Accounting Pronouncements, Policy
New Accounting Pronouncements, Policy [Policy Text Block]
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Legal Matters [Table]
Legal Matters [Table]
Describes the details pertaining to legal matters.
Legal Matters [Line Items]
Legal Matters [Line Items]
Legal Matters - Cane Run Environmental Claims (Numeric) [Abstract]
Legal Matters Cane Run Environmental Claims Numeric [Abstract]
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.
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.
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.
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.
Claim By Former Affiliate [Abstract]
Claim By Former Affiliate [Abstract]
Claim By Former Affiliate [Abstract]
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.
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.
Defined Benefits
Pension and Other Postretirement Benefits Disclosure [Text Block]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Earnings Per Share
Earnings Per Share [Text Block]
Derivative Instruments And Hedging Activities [Line Items]
Derivative Instruments And Hedging Activities [Line Items]
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]
Derivative Instruments, Gain (Loss)
Derivative Instruments, Gain (Loss) [Table Text Block]
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.
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.
Regulatory Matters [Table]
Regulatory Matters [Table]
Describes the details pertaining to regulatory matters.
Regulatory Agency [Axis]
Regulatory Agency [Axis]
Regulatory Agency [Domain]
Regulatory Agency [Domain]
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.
Schedule Of Regulatory Items With Shared Characteristics [Axis]
Schedule Of Regulatory Items With Shared Characteristics [Axis]
The list of regulatory related items that can either be a regulatory assets or liabilities or both on the balance sheet. These amounts would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues.
Schedule Of Regulatory Items With Shared Characteristics [Domain]
Schedule Of Regulatory Items With Shared Characteristics [Domain]
A table of regulatory related items that can either be a regulatory assets or liabilities or both on the balance sheet. These amounts would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues.
Project Name [Axis]
Project Name [Axis]
Project Name [Axis]
Project Name [Domain]
Project Name [Domain]
[Domain] for Project Name [Axis]
Rates Type [Axis]
Rates Type [Axis]
The description of the types of services provided by a utility for which rate changes are periodically requested.
Rates Type [Domain]
Rates Type [Domain]
The names of the types of services provided by a utility for which rate changes are periodically requested.
Tax Reform [Axis]
Tax Reform [Axis]
Tax Reform [Axis]
Tax Reform [Domain]
Tax Reform [Domain]
Domain for Tax Reform Axis
Regulatory Matters [Line Items]
Regulatory Matters [Line Items]
Public Utilities Expected Capital Costs To Comply
Public Utilities Expected Capital Costs To Comply
Estimated amount of capitalized costs for construction projects.
Regulatory Matters - Kentucky Activities - Rate Case Proceedings (Numeric) [Abstract]
Regulatory Matters Kentucky Activities Rate Case Proceedings [Abstract]
Regulatory Matters Kentucky Activities Rate Case Proceedings [Abstract]
Public Utilities, Requested Return on Equity, Percentage
Public Utilities, Requested Return on Equity, Percentage