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Utility Rate Regulation (Other) (Details) - Unaffiliated Third Party Entity [Member] - USD ($) $ in Billions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
PPL Electric [Member] |  |  |
Purchases Of Accounts Receivable [Line Items] |  |  |
Purchases of accounts receivable | $ 1.5 | $ 1.5 | $ 1.3
PPL Electric Utilities Corp [Member] |  |  |
Purchases Of Accounts Receivable [Line Items] |  |  |
Purchases of accounts receivable | $ 1.5 | $ 1.5 | $ 1.3

X
- Definition 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. + References No definition available. + Details
Name: | ppl_PurchasesOfAccountsReceivable
Namespace Prefix: | ppl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | ppl_PurchasesOfAccountsReceivableLineItems
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
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: | dei_LegalEntityAxis=ppl_PplElectricUtilitiesCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |