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Financing Activities (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt Disclosure [Abstract] |
Schedule of Line of Credit Facilities | The following credit facilities were in place at:
| March 31, 2024 |  | December 31, 2023
| Expiration Date |  | Capacity |  | Borrowed |  | Letters of Credit and Commercial Paper Issued (c) |  | Unused Capacity |  | Borrowed |  | Letters of Credit and Commercial Paper Issued (c)
PPL |  |  |  |  |  |  |  |  |  |  |  |  |
PPL Capital Funding (a) |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility (b) | Dec. 2028 |  | $ | 1,250 |  |  | $ | — |  |  | $ | 218 |  |  | $ | 1,032 |  |  | $ | — |  |  | $ | 390 |
Bilateral Credit Facility | Feb. 2025 |  | 100 |  |  | — |  |  | — |  |  | 100 |  |  | — |  |  | — |
Bilateral Credit Facility | Feb. 2025 |  | 100 |  |  | — |  |  | 13 |  |  | 87 |  |  | — |  |  | 13 |
Total PPL Capital Funding Credit Facilities |  |  | $ | 1,450 |  |  | $ | — |  |  | $ | 231 |  |  | $ | 1,219 |  |  | $ | — |  |  | $ | 403 |
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Dec. 2028 |  | $ | 650 |  |  | $ | — |  |  | $ | 1 |  |  | $ | 649 |  |  | $ | — |  |  | $ | 511 |
Total PPL Electric Credit Facilities |  |  | $ | 650 |  |  | $ | — |  |  | $ | 1 |  |  | $ | 649 |  |  | $ | — |  |  | $ | 511 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Dec. 2028 |  | $ | 500 |  |  | $ | — |  |  | $ | 28 |  |  | $ | 472 |  |  | $ | — |  |  | $ | — |
Total LG&E Credit Facilities |  |  | $ | 500 |  |  | $ | — |  |  | $ | 28 |  |  | $ | 472 |  |  | $ | — |  |  | $ | — |
KU |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Dec. 2028 |  | $ | 400 |  |  | $ | — |  |  | $ | 45 |  |  | $ | 355 |  |  | $ | — |  |  | $ | 93 |
Total KU Credit Facilities |  |  | $ | 400 |  |  | $ | — |  |  | $ | 45 |  |  | $ | 355 |  |  | $ | — |  |  | $ | 93 |
(a)PPL Capital Funding's obligations are fully and unconditionally guaranteed by PPL. (b)The PPL Capital Funding $1.25 billion syndicated credit facility includes a $400 million borrowing sublimit for RIE and a $850 million sublimit for PPL Capital Funding at March 31, 2024. RIE’s borrowing sublimit is adjustable, at the borrowers’ option, from $0 to $600 million, with the remaining balance of the $1.25 billion available under the facility allocated to PPL Capital Funding. At December 31, 2023, the borrowing sublimit for RIE was $250 million and a $1 billion sublimit for PPL Capital Funding. At March 31, 2024, PPL Capital Funding had $218 million commercial paper outstanding and RIE had no commercial paper outstanding. At December 31, 2023, PPL Capital Funding had $365 million commercial paper outstanding and RIE had $25 million commercial paper outstanding. RIE's obligations under the facility are not guaranteed by PPL. (c)Commercial paper issued reflects the undiscounted face value of the issuance.
Schedule of Short-term Debt | The following commercial paper programs were in place at:
| March 31, 2024 |  | December 31, 2023
| Weighted - Average Interest Rate |  | Capacity |  | Commercial Paper Issuances (c) |  | Unused Capacity |  | Weighted - Average Interest Rate |  | Commercial Paper Issuances (c)
PPL Capital Funding (a) (b) | 5.51% |  | $ | 1,350 |  |  | $ | 218 |  |  | $ | 1,132 |  |  | 5.66% |  | $ | 365 |
RIE (b) |  |  | 400 |  |  | — |  |  | 400 |  |  | 5.72% |  | 25 |
PPL Electric |  |  | 650 |  |  | — |  |  | 650 |  |  | 5.67% |  | 510 |
LG&E | 5.49% |  | 500 |  |  | 28 |  |  | 472 |  |  |  |  | — |
KU | 5.49% |  | 400 |  |  | 45 |  |  | 355 |  |  | 5.64% |  | 93 |
Total |  |  | $ | 3,300 |  |  | $ | 291 |  |  | $ | 3,009 |  |  |  |  | $ | 993 |
(a)PPL Capital Funding's obligations are fully and unconditionally guaranteed by PPL. (b)Issuances under the PPL Capital Funding and RIE commercial paper programs are supported by the PPL Capital Funding syndicated credit facility, which has a total capacity of $1.25 billion. At March 31, 2024, the borrowing sublimits were $400 million for RIE and $850 million for PPL Capital Funding. At December 31, 2023, the borrowing sublimits under the facility were $250 million at RIE and $1 billion at PPL Capital Funding. PPL Capital Funding’s Commercial paper program is also backed by a separate bilateral credit facility for $100 million. (c)Commercial paper issued reflects the undiscounted face value of the issuance.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to 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. + 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 Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + 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(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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