No definition available.

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- Definition

Total unused borrowing capacity under the money pool agreement with an affiliate of the reporting entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	ppl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum loan capacity under the revolving demand note agreement with an affiliate of the reporting entity.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Indicates name of related party for financing receivable, after allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

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- Definition

Indicates status and type of related party for financing receivable, after allowance for credit loss.

+ References

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section S99
-Paragraph 1
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Balance Type:	credit
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- Definition

Indicates status and type of related party for notes payable.

+ References

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Namespace Prefix:	us-gaap_
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- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ppl_ServicesCompanyAffiliateMember
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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
PPL Electric Utilities Corp [Member]
Intercompany Borrowings (Numeric) [Abstract]
Notes Receivable from affiliates	$ 0		$ 0		$ 222
Financing Receivable, after Allowance for Credit Loss, Related Party, Name [Extensible Enumeration]	Individually Immaterial Counterparties [Member]		Individually Immaterial Counterparties [Member]
Financing Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration]					CEP Reserves, Inc
PPL Electric Utilities Corp [Member] \| PPL Services [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 67	$ 53	$ 131	$ 109
Intercompany Borrowings (Numeric) [Abstract]
VEBA Funds Receivable	1		1		$ 7
PPL Electric Utilities Corp [Member] \| CEP Reserves, Inc
Intercompany Borrowings (Numeric) [Abstract]
Intercompany note with affiliate maximum borrowing capacity	800		800
PPL Electric Utilities Corp [Member] \| Accounts receivable from affiliates [Member] \| PPL Services [Member]
Intercompany Borrowings (Numeric) [Abstract]
VEBA Funds Receivable					4
PPL Electric Utilities Corp [Member] \| Other Noncurrent Assets [Member] \| PPL Services [Member]
Intercompany Borrowings (Numeric) [Abstract]
VEBA Funds Receivable					3
Louisville Gas And Electric Co [Member]
Intercompany Borrowings (Numeric) [Abstract]
Notes Payable to affiliates	$ 0		$ 0		$ 43
Notes Payable, Related Party, Type [Extensible Enumeration]	Affiliated Entity [Member]		Affiliated Entity [Member]		Related Party
Louisville Gas And Electric Co [Member] \| PPL Services [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 42	20	$ 62	31
Louisville Gas And Electric Co [Member] \| Parent And Affiliate [Member]
Intercompany Borrowings (Numeric) [Abstract]
Intercompany Money Pool Agreement Unused Borrowing Capacity	592		592
Louisville Gas And Electric Co [Member] \| LKS [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	18	28	48	57
Kentucky Utilities Co [Member]
Intercompany Borrowings (Numeric) [Abstract]
Notes Payable to affiliates	$ 46		$ 46		$ 73
Notes Payable, Related Party, Type [Extensible Enumeration]	Affiliated Entity [Member]		Affiliated Entity [Member]		Related Party
Kentucky Utilities Co [Member] \| PPL Services [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 42	19	$ 61	30
Kentucky Utilities Co [Member] \| Parent And Affiliate [Member]
Intercompany Borrowings (Numeric) [Abstract]
Intercompany Money Pool Agreement Unused Borrowing Capacity	329		329
Kentucky Utilities Co [Member] \| LKS [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 22	$ 30	$ 60	$ 68