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Financing Activities (Tables)
 9 Months Ended
Sep. 30, 2023
Debt Disclosure [Abstract]  
Schedule of Line of Credit Facilities The following credit facilities were in place at:
 September 30, 2023December 31, 2022
 Expiration
Date		CapacityBorrowedLetters of
Credit
and
Commercial
Paper
Issued (c)		Unused
Capacity		BorrowedLetters of
Credit
and
Commercial
Paper
Issued (c)
PPL       
PPL Capital Funding (a)       
Syndicated Credit Facility (b)Dec. 2027$1,250 $— $75 $1,175 $— $561 
Bilateral Credit FacilityMar. 2024100 — — 100 — — 
Bilateral Credit FacilityMar. 2024100 — 13 87 — 58 
Total PPL Capital Funding Credit Facilities$1,450 $— $88 $1,362 $— $619 
PPL Electric        
Syndicated Credit FacilityDec. 2027$650 $— $188 $462 $— $146 
Term Loan Credit FacilityMar. 2024— — — — 250 — 
Total PPL Electric Credit Facilities$650 $— $188 $462 $250 $146 
LG&E      
Syndicated Credit FacilityDec. 2027$500 $— $— $500 $— $180 
Term Loan Credit FacilityJul. 2024— — — — 300 — 
Total LG&E Credit Facilities$500 $— $— $500 $300 $180 
KU       
Syndicated Credit FacilityDec. 2027$400 $— $25 $375 $— $101 
Term Loan Credit FacilityJul. 2024— — — — 300 — 
Total KU Credit Facilities $400 $— $25 $375 $300 $101 

(a)PPL Capital Funding's obligations are fully and unconditionally guaranteed by PPL.
(b)Includes a $250 million borrowing sublimit for RIE and a $1 billion sublimit for PPL Capital Funding. At September 30, 2023, PPL Capital Funding had no commercial paper outstanding and RIE had $75 million of 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:
 September 30, 2023December 31, 2022
Weighted -
Average
Interest Rate		CapacityCommercial
Paper
Issuances (c)		Unused
Capacity		Weighted -
Average
Interest Rate		Commercial
Paper
Issuances (c)
PPL Capital Funding (a) (b)$1,350 $— $1,350 4.84%$561 
RIE (b)5.49%400 75 325 — 
PPL Electric
5.47%650 187 463 4.74%145 
LG&E500 — 500 4.94%180 
KU5.45%400 25 375 4.90%101 
Total $3,300 $287 $3,013  $987 

(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 and under which they are both borrowers. PPL Capital Funding’s Commercial paper program is also backed by a separate bilateral credit facility for $100 million. The PPL Capital Funding syndicated credit facility includes a borrowing sublimit for RIE, which is currently set at $250 million with the remaining $1 billion allocated to PPL Capital Funding. RIE's obligations under the facility are not guaranteed by PPL. The sublimits of each borrower may be decreased or increased at the borrowers’ option up to a prescribed amount such that all borrowings under the syndicated credit facility cannot exceed the size of the credit facility of $1.25 billion.
(c)Commercial paper issued reflects the undiscounted face value of the issuance.