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.

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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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

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Balance Type:	na
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- Definition

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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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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Balance Type:	credit
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- Definition

Indicates related and nonrelated party status for notes payable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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Balance Type:	debit
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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
PPL Electric Utilities Corp [Member]
Intercompany Borrowings (Numeric) [Abstract]
Notes Receivable from affiliates	$ 0		$ 0
Financing Receivable, after Allowance for Credit Loss, Related Party, Name [Extensible Enumeration]	CEP Reserves, Inc		CEP Reserves, Inc
Financing Receivable, after Allowance for Credit Loss, Related and Nonrelated Party Status [Extensible Enumeration]	Related Party		Related Party
PPL Electric Utilities Corp [Member] \| PPL Services [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 59	$ 61
PPL Electric Utilities Corp [Member] \| CEP Reserves, Inc
Intercompany Borrowings (Numeric) [Abstract]
Intercompany note with affiliate maximum borrowing capacity	500
PPL Electric Utilities Corp [Member] \| Accounts receivable from affiliates [Member] \| PPL Services [Member]
Intercompany Borrowings (Numeric) [Abstract]
VEBA Funds Receivable	0
Louisville Gas And Electric Co [Member]
Intercompany Borrowings (Numeric) [Abstract]
Notes Payable to affiliates	$ 0		$ 0
Notes Payable, Related and Nonrelated Party Status [Extensible Enumeration]	Related Party		Related Party
Notes Receivable from affiliates	$ 9		$ 0
Financing Receivable, after Allowance for Credit Loss, Related and Nonrelated Party Status [Extensible Enumeration]	Related Party		Related Party
Louisville Gas And Electric Co [Member] \| PPL Services [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 8	0
Louisville Gas And Electric Co [Member] \| Parent And Affiliate [Member]
Intercompany Borrowings (Numeric) [Abstract]
Intercompany Money Pool Agreement Unused Borrowing Capacity	750
Louisville Gas And Electric Co [Member] \| LKS [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	32	39
Kentucky Utilities Co [Member]
Intercompany Borrowings (Numeric) [Abstract]
Notes Payable to affiliates	$ 9		$ 0
Notes Payable, Related and Nonrelated Party Status [Extensible Enumeration]	Related Party		Related Party
Kentucky Utilities Co [Member] \| PPL Services [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 9	0
Kentucky Utilities Co [Member] \| Parent And Affiliate [Member]
Intercompany Borrowings (Numeric) [Abstract]
Intercompany Money Pool Agreement Unused Borrowing Capacity	641
Kentucky Utilities Co [Member] \| LKS [Member]
Support Costs (Details) [Abstract]
Related Party Transaction, Amounts of Transaction	$ 41	$ 44