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Financing Activities - Long-term Debt (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Long-term Debt (Numeric) [Abstract] |  |
Long-term debt due within one year | $ 569 | $ 551
Long-term Debt, Excluding Current Maturities | 15,938 | 15,952
PPL Electric [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 750 |
Borrowed | 0 | 0
PPL Capital Funding [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 1,700 |
Borrowed | 0 | 0
LGE [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 600 |
Borrowed | 0 | 0
KU [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 600 |
Borrowed | 0 | 0
PPL Electric Utilities Corp [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 750 |
Borrowed | 0 | 0
Long-term Debt, Excluding Current Maturities | 5,214 | 5,214
Louisville Gas And Electric Co [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 600 |
Borrowed | 0 | 0
Long-term debt due within one year | 300 | 300
Long-term Debt, Excluding Current Maturities | 2,171 | 2,171
Kentucky Utilities Co [Member] |  |
Long-term Debt (Numeric) [Abstract] |  |
Capacity | 600 |
Borrowed | 0 | 0
Long-term debt due within one year | 268 | 250
Long-term Debt, Excluding Current Maturities | $ 2,798 | $ 2,816

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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