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Financing Activities (Tables)
3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Line of Credit Facilities The following credit facilities were in place at:
 March 31, 2021December 31, 2020
 Expiration
Date
CapacityBorrowedLetters of
Credit
and
Commercial
Paper
Issued
Unused
Capacity
BorrowedLetters of
Credit
and
Commercial
Paper
Issued
PPL       
PPL Capital Funding       
Syndicated Credit FacilityJan. 2024$1,450 $— $942 $508 $— $402 
Term Loan Credit FacilityMar. 2022100 100 — — 100 — 
Bilateral Credit FacilityMar. 202250 — — 50 — — 
Bilateral Credit FacilityMar. 202250 — 15 35 — 15 
Term Loan Credit FacilityMar. 2021— — — — 100 — 
Term Loan Credit FacilityMar. 2021— — — — 200 — 
Total PPL Capital Funding Credit Facilities$1,650 $100 $957 $593 $400 $417 
PPL Electric        
Syndicated Credit FacilityJan. 2024$650 $— $206 $444 $— $
LG&E      
Syndicated Credit FacilityJan. 2024$500 $— $252 $248 $— $262 
KU       
Syndicated Credit FacilityJan. 2024$400 $— $148 $252 $— $203 
Schedule of Short-term Debt The following commercial paper programs were in place at:
 March 31, 2021December 31, 2020
Weighted -
Average
Interest Rate
CapacityCommercial
Paper
Issuances
Unused
Capacity
Weighted -
Average
Interest Rate
Commercial
Paper
Issuances
PPL Capital Funding0.22%$1,500 $942 $558 0.25%$402 
PPL Electric
0.20%650 205 445 — 
LG&E (a)0.22%425 252 173 0.28%262 
KU0.21%350 148 202 0.28%203 
Total $2,925 $1,547 $1,378  $867