Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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The cash inflow from amounts received from a long-term debt instrument secured by a first mortgage deed of trust, containing a pledge of real property. The lender has the highest claim on the property in case of default.

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Financing Activities - Long-term Debt (Details) - USD ($) $ in Millions	1 Months Ended
	Mar. 31, 2024	Jan. 31, 2024	Dec. 31, 2023
Long-term Debt (Numeric) [Abstract]
Long-term debt due within one year	$ 1		$ 1
Long-term Debt, Excluding Current Maturities	15,753		14,611
PPL Electric [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	650
Borrowed	0		0
PPL Electric [Member] \| First Mortgage Bond [Member] \| First Mortgage Bonds due 2034
Long-term Debt (Numeric) [Abstract]
Principal amount		$ 650
Stated interest rate		4.85%
Proceeds from Issuance of First Mortgage Bond		$ 644
PPL Capital Funding [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	1,450
Borrowed	0		0
LGE [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	500
Borrowed	0		0
KU [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	400
Borrowed	0		0
Rhode Island Energy \| First Mortgage Bond [Member] \| Senior Notes due 2034
Long-term Debt (Numeric) [Abstract]
Principal amount	$ 500
Stated interest rate	5.35%
Proceeds from Issuance of First Mortgage Bond	$ 496
PPL Electric Utilities Corp [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	650
Borrowed	0		0
Long-term Debt, Excluding Current Maturities	5,211		4,567
PPL Electric Utilities Corp [Member] \| First Mortgage Bond [Member] \| First Mortgage Bonds due 2034
Long-term Debt (Numeric) [Abstract]
Principal amount		$ 650
Stated interest rate		4.85%
Proceeds from Issuance of First Mortgage Bond		$ 644
Louisville Gas And Electric Co [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	500
Borrowed	0		0
Long-term Debt, Excluding Current Maturities	2,469		2,469
Kentucky Utilities Co [Member]
Long-term Debt (Numeric) [Abstract]
Capacity	400
Borrowed	0		0
Long-term Debt, Excluding Current Maturities	$ 3,064		$ 3,064