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Financing Activities (Tables)
 3 Months Ended
Mar. 31, 2024
Debt Disclosure [Abstract]  
Schedule of Line of Credit Facilities The following credit facilities were in place at:
 March 31, 2024December 31, 2023
 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. 2028$1,250 $— $218 $1,032 $— $390 
Bilateral Credit FacilityFeb. 2025100 — — 100 — — 
Bilateral Credit FacilityFeb. 2025100 — 13 87 — 13 
Total PPL Capital Funding Credit Facilities$1,450 $— $231 $1,219 $— $403 
PPL Electric        
Syndicated Credit FacilityDec. 2028$650 $— $1 $649 $— $511 
Total PPL Electric Credit Facilities$650 $— $1 $649 $— $511 
LG&E      
Syndicated Credit FacilityDec. 2028$500 $— $28 $472 $— $— 
Total LG&E Credit Facilities$500 $— $28 $472 $— $— 
KU       
Syndicated Credit FacilityDec. 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, 2024December 31, 2023
Weighted -
Average
Interest Rate		CapacityCommercial
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&E5.49%500 28 472 — 
KU5.49%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.