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Utility Rate Regulation (Other) (Details) $ in Billions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Nov. 06, 2023 MW
PPL Electric [Member] | Unaffiliated Third Party Entity [Member] |  |  |  |
Purchases Of Accounts Receivable [Line Items] |  |  |  |
Purchases of accounts receivable | $ 1.5 | $ 1.3 | $ 1.2 |
PPL Electric Utilities Corp [Member] | Unaffiliated Third Party Entity [Member] |  |  |  |
Purchases Of Accounts Receivable [Line Items] |  |  |  |
Purchases of accounts receivable | $ 1.5 | $ 1.3 | $ 1.2 |
LOUISVILLE GAS And ELECTRIC CO [Member] |  |  |  |
Purchases Of Accounts Receivable [Line Items] |  |  |  |
Mill Creek 2 Unit, Generation Capacity, Power | MW |  |  |  | 297

X
- Definition The total generating capacity of the Mill Creek 2 Unit in megawatts. + References No definition available. + Details
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Namespace Prefix: | ppl_
Data Type: | dtr-types1:powerItemType
Balance Type: | na
Period Type: | instant

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
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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

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

X
- Details
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