XML 188 R50.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Utility Rate Regulation - Regulatory Matters (Details) $ in Millions |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 26, 2024 USD ($) | Nov. 06, 2023 MW | Sep. 27, 2023 USD ($) | Mar. 29, 2023 USD ($) | Oct. 16, 2018 | Aug. 24, 2018 | Dec. 31, 2023 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2016 | Apr. 26, 2024 | Apr. 25, 2024 USD ($) | Nov. 21, 2023 USD ($)
PPL Electric [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Billing Issues, Expenses Incurred |  |  |  |  |  |  |  | $ 15 | $ 3 |  |  |  |
Distribution System Improvement Charge Cap |  |  |  |  |  |  |  | 5.00% |  |  |  |  |
PPL Electric [Member] | Unaffiliated Third Party Entity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable, Purchase |  |  |  |  |  |  |  | $ 419 | 358 |  |  |  |
PPL Electric [Member] | Pennsylvania Public Utility Commission |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
PPL Electric Billing Issue, Civil Penalty to be Paid |  |  |  |  |  |  |  |  |  |  |  |  | $ 1
PPL Electric [Member] | Pennsylvania Public Utility Commission | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
PPL Electric Billing Issue, Donation to be Paid |  |  |  |  |  |  |  |  |  |  |  | $ 1 |
Requested Distribution System Improvement Charge Cap |  |  |  |  |  |  |  |  |  |  | 9.00% |  |
LGE [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
CPCN NGCC Combustion Turbine Facilities Power | MW |  | 640 |  |  |  |  |  |  |  |  |  |  |
KU [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
CPCN NGCC Combustion Turbine Facilities Power | MW |  | 640 |  |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Uitilty Commsion |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Approved Return on Equity, Percentage |  |  |  |  |  | 9.275% |  |  |  |  |  |  |
RIPUC Approved FY 2024 Gas ISR Plan for capital investment spend |  |  |  | $ 163 |  |  |  |  |  |  |  |  |
Recovery Cap on Capital Investment Related to AMF Program |  |  | $ 153 |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Uitilty Commsion | Vegetation management |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
RIPUC Approved FY 2024 Electric ISR Plan for capital investment spend |  |  |  | 14 |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Uitilty Commsion | Other O&M |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
RIPUC Approved FY 2024 Electric ISR Plan for capital investment spend |  |  |  | 1 |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Uitilty Commsion | Capital Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
RIPUC Approved FY 2024 Electric ISR Plan for capital investment spend |  |  |  | $ 112 |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Uitilty Commsion | Common equity percentage related to approved rate |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of common equity used on allowed ROE |  |  |  |  |  | 51.00% |  |  |  |  |  |  |
Rhode Island Energy | Federal Energy Regulatory Commsion [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
New ROE prosed by NETO and approved by FERC |  |  |  |  | 10.41% |  |  |  |  |  |  |  |
Initial minimum base ROE to be reset by the FERC |  |  |  |  |  |  |  |  |  | 11.14% |  |  |
Maximum Base ROE reset by FERC |  |  |  |  |  |  |  |  |  | 11.74% |  |  |
Minimum base ROE reset by FERC |  |  |  |  |  |  |  |  |  | 10.57% |  |  |
Rhode Island Energy | Federal Energy Regulatory Commsion [Member] | Maximum ROE authorized |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
FERC Granted ROE |  |  |  |  |  |  |  | 11.74% |  |  |  |  |
Rhode Island Energy | Rhode Island Public Utility Commission |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Investment Spend on FY 2025 Gas ISR Plan |  |  |  |  |  |  | $ 185 |  |  |  |  |  |
Proposed Capital Investment Spend on FY 2025 Electric ISR Plan |  |  |  |  |  |  | 141 |  |  |  |  |  |
Proposed Contingency Plan Spend on FY 2025 Gas ISR Plan |  |  |  |  |  |  | 11 |  |  |  |  |  |
Approved Capital Investment Spend on FY 2025 Gas ISR Plan | $ 180 |  |  |  |  |  |  |  |  |  |  |  |
Approved Contingency Plan Spend on FY 2025 Gas ISR Plan | 11 |  |  |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Utility Commission | Capital Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Approved Capital Investment Spend on FY 2025 Gas ISR Plan | 168 |  |  |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Utility Commission | Paving Costs |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Approved Capital Investment Spend on FY 2025 Gas ISR Plan | 12 |  |  |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Utility Commission | Vegetation management |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed Capital Investment Spend on FY 2025 Electric ISR Plan |  |  |  |  |  |  | 13 |  |  |  |  |  |
Approved Capital Investment Spend on FY 2025 Electric ISR Plan | 13 |  |  |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Utility Commission | Other O&M |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed Capital Investment Spend on FY 2025 Electric ISR Plan |  |  |  |  |  |  | $ 1 |  |  |  |  |  |
Approved Capital Investment Spend on FY 2025 Electric ISR Plan | 1 |  |  |  |  |  |  |  |  |  |  |  |
Rhode Island Energy | Rhode Island Public Utility Commission | Capital Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Approved Capital Investment Spend on FY 2025 Electric ISR Plan | $ 132 |  |  |  |  |  |  |  |  |  |  |  |
PPL Electric Utilities Corp [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Billing Issues, Expenses Incurred |  |  |  |  |  |  |  | $ 15 | 3 |  |  |  |
Distribution System Improvement Charge Cap |  |  |  |  |  |  |  | 5.00% |  |  |  |  |
PPL Electric Utilities Corp [Member] | Unaffiliated Third Party Entity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivable, Purchase |  |  |  |  |  |  |  | $ 419 | $ 358 |  |  |  |
PPL Electric Utilities Corp [Member] | Pennsylvania Public Utility Commission |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
PPL Electric Billing Issue, Civil Penalty to be Paid |  |  |  |  |  |  |  |  |  |  |  |  | $ 1
PPL Electric Utilities Corp [Member] | Pennsylvania Public Utility Commission | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
PPL Electric Billing Issue, Donation to be Paid |  |  |  |  |  |  |  |  |  |  |  | $ 1 |
Requested Distribution System Improvement Charge Cap |  |  |  |  |  |  |  |  |  |  | 9.00% |  |
Louisville Gas And Electric Co [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
CPCN NGCC Combustion Turbine Facilities Power | MW |  | 640 |  |  |  |  |  |  |  |  |  |  |
New NGCC LG&E Planned Ownership Percentage |  | 31.00% |  |  |  |  |  |  |  |  |  |  |
Kentucky Utilities Co [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Matters - Rate Case Proceedings (Numeric) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
CPCN NGCC Combustion Turbine Facilities Power | MW |  | 640 |  |  |  |  |  |  |  |  |  |  |
New NGCC KU Planned Ownership Percentage |  | 69.00% |  |  |  |  |  |  |  |  |  |  |

X
- Definition Total spend approved by the RIPUC for the FY 2024 Electric ISR Plan. + References No definition available. + Details
Name: | ppl_ApprovedCapitalInvestmentSpendOnFY2024ElectricISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount Approved March 26, 2024, to Spend on FY 2025 Electric ISR Plan + References No definition available. + Details
Name: | ppl_ApprovedCapitalInvestmentSpendOnFY2025ElectricISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of contingency spend on FY 2025 Gas ISR Plan approved by the RIPUC on April 1, 2024, contingent on Pipeline and Hazardous Material Safety Administration potential enactment of regulations during FY 2025. + References No definition available. + Details
Name: | ppl_ApprovedContingencyPlanSpendOnFY2025GasISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total expenses incurred related to customer billing issues. + References No definition available. + Details
Name: | ppl_BillingIssuesExpensesIncurred
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition CPCN NGCC Combustion Turbine Facilities Power + References No definition available. + Details
Name: | ppl_CPCNNGCCCombustionTurbineFacilitiesPower
Namespace Prefix: | ppl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The limit on what can be charged as Distribution System Improvement Charges, which is defined as a percentage of billed revenue. + References No definition available. + Details
Name: | ppl_DistributionSystemImprovementChargeCap
Namespace Prefix: | ppl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition FERC Granted ROE + References No definition available. + Details
Name: | ppl_FERCGrantedROE
Namespace Prefix: | ppl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Initial minimum base ROE to be reset by the FERC + References No definition available. + Details
Name: | ppl_InitialMinimumBaseROEToBeResetByTheFERC
Namespace Prefix: | ppl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum Base ROE reset by FERC + References No definition available. + Details
Name: | ppl_MaximumBaseROEResetByFERC
Namespace Prefix: | ppl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum base ROE reset by FERC + References No definition available. + Details
Name: | ppl_MinimumBaseROEResetByFERC
Namespace Prefix: | ppl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of ownership of the planned NGCC facilities owned by KU. + References No definition available. + Details
Name: | ppl_NewNGCCKUPlannedOwnershipPercentage
Namespace Prefix: | ppl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage ownership of the planned NGCC facilities to be owned by LG&E>New NGCC LG&E + References No definition available. + Details
Name: | ppl_NewNGCCLGEPlannedOwnershipPercentage
Namespace Prefix: | ppl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition New ROE by National Grid along with other NETOs who filed a brief supporting FERC's new methodology and confirming the illustrative numbers that FERC arrived at in its order addressing all four complaints + References No definition available. + Details
Name: | ppl_NewROEProposedByNETOAndApprovedByFERC
Namespace Prefix: | ppl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Civil penalty to be paid as part of the settlement agreement with the PAPUC's Bureau of Investigations & Enforcement in regards to a billing issue at PPL Electric during December 2022 through January 2023. + References No definition available. + Details
Name: | ppl_PPLElectricBillingIssueCivilPenaltyToBePaid
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Donation to be made to PPL Electric's hardship fund as part of a modification to the 2024 settlement agreement with the PAPUC's Bureau of Investigation & Enforcement with regards to PPL Electric's billing issue during the period of December 2022 through January 2023. + References No definition available. + Details
Name: | ppl_PPLElectricBillingIssueDonationToBePaid
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of common equity ratio PIPUC used on used to determine the allowed ROE + References No definition available. + Details
Name: | ppl_PercentageOfCommonEquityUsedOnAllowedROE
Namespace Prefix: | ppl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount to additional spend on the FY 2025 Gas plan as required by the RIPUC, contingent on Pipeline and Hazardous Material Safety Administration potential enactment of regulations during FY 2025. + References No definition available. + Details
Name: | ppl_ProposedAdditionalContingencyPlanSpendOnFY2025GasISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Proposed amount to spend on the FY 2025 Electric ISR plan as approved by the RIPUC om April 1, 2024. + References No definition available. + Details
Name: | ppl_ProposedCapitalInvestmentSpendOnFY2025ElectricISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount to spend on the FY 2025 Gas ISR plan required by the RIPUC. + References No definition available. + Details
Name: | ppl_ProposedCapitalInvestmentSpendOnFY2025GasISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total capital spend approved by the RIPUC for the FY 2024 Gas ISR plan + References No definition available. + Details
Name: | ppl_RIPUCApprovedFY2024GasISRPlanForCapitalInvestmentSpend
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The overall multi-year cap on recovery through the ISR process for the RIPUC approved capital investment related to the AMF-based metering system for the electric distribution business of RIE. + References No definition available. + Details
Name: | ppl_RecoveryCapOnCapitalInvestmentRelatedToAMFProgram
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Regulatory Matters Kentucky Activities Rate Case Proceedings [Abstract] + References No definition available. + Details
Name: | ppl_RegulatoryMattersKentuckyActivitiesRateCaseProceedingsAbstract
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition New Distribution System Improvement Charge Cap requested from the PAPUC, defined as a percentage of billed revenue. + References No definition available. + Details
Name: | ppl_RequestedDistributionSystemImprovementChargeCap
Namespace Prefix: | ppl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total amount approved April 1, 2024, to spend on the FY 2025 Gas ISR Plan by the RIPUC. + References No definition available. + Details
Name: | ppl_TotalApprovedSpendOnFY2025GasISRPlan
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase from purchase of accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-11 + Details
Name: | us-gaap_AccountsReceivablePurchase
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of public utility's approved return on equity. + References No definition available. + Details
Name: | us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ppl_ByCompanyAxis=ppl_PplElectricUtilitiesCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=ppl_UnaffiliatedThirdPartyEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAgencyAxis=ppl_PennsylvaniaPublicUtilityCommissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_ByCompanyAxis=ppl_LouisvilleGasAndElectricCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_ByCompanyAxis=ppl_KentuckyUtilitiesCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_ByCompanyAxis=ppl_RhodeIslandEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAgencyAxis=ppl_RhodeIslandPublicUitiltyCommsionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY2024ElectricalISRPlanComponentAxis=ppl_VegetationManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY2024ElectricalISRPlanComponentAxis=ppl_OtherOMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY2024ElectricalISRPlanComponentAxis=ppl_CapitalInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_RIPUCApprovedROEAxis=ppl_CommonEquityPercentageRelatedToApprovedRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAgencyAxis=ppl_FederalEnergyRegulatoryCommissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FERCApprovedROEForTransmissionCostsAxis=ppl_MaximumROEAuthorizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryAgencyAxis=ppl_RhodeIslandPublicUtilityCommissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY25GasISRPlanComponentAxis=ppl_CapitalInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY25GasISRPlanComponentAxis=ppl_PavingCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY2025ElectricalISRPlanComponentAxis=ppl_VegetationManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY2025ElectricalISRPlanComponentAxis=ppl_OtherOMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ppl_FY2025ElectricalISRPlanComponentAxis=ppl_CapitalInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ppl_PplElectricUtilitiesCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ppl_LouisvilleGasAndElectricCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=ppl_KentuckyUtilitiesCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |