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Financing Activities (Tables) | 9 Months Ended
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Sep. 30, 2021
Debt Disclosure [Abstract] |
Schedule of Line of Credit Facilities | The following credit facilities were in place at:
| September 30, 2021 |  | December 31, 2020
| Expiration Date |  | Capacity |  | Borrowed |  | Letters of Credit and Commercial Paper Issued |  | Unused Capacity |  | Borrowed |  | Letters of Credit and Commercial Paper Issued
PPL |  |  |  |  |  |  |  |  |  |  |  |  |
PPL Capital Funding |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Jan. 2024 |  | $ | 1,450 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,450 |  |  | $ | — |  |  | $ | 402 |
Bilateral Credit Facility | Mar. 2022 |  | 50 |  |  | — |  |  | — |  |  | 50 |  |  | — |  |  | — |
Bilateral Credit Facility | Mar. 2022 |  | 50 |  |  | — |  |  | 15 |  |  | 35 |  |  | — |  |  | 15 |
Term Loan Credit Facility | Mar. 2022 |  | — |  |  | — |  |  | — |  |  | — |  |  | 100 |  |  | — |
Term Loan Credit Facility | Mar. 2021 |  | — |  |  | — |  |  | — |  |  | — |  |  | 100 |  |  | — |
Term Loan Credit Facility | Mar. 2021 |  | — |  |  | — |  |  | — |  |  | — |  |  | 200 |  |  | — |
Total PPL Capital Funding Credit Facilities |  |  | $ | 1,550 |  |  | $ | — |  |  | $ | 15 |  |  | $ | 1,535 |  |  | $ | 400 |  |  | $ | 417 |
PPL Electric |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Jan. 2024 |  | $ | 650 |  |  | $ | — |  |  | $ | 1 |  |  | $ | 649 |  |  | $ | — |  |  | $ | 1 |
LG&E |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Jan. 2024 |  | $ | 500 |  |  | $ | — |  |  | $ | — |  |  | $ | 500 |  |  | $ | — |  |  | $ | 262 |
KU |  |  |  |  |  |  |  |  |  |  |  |  |
Syndicated Credit Facility | Jan. 2024 |  | $ | 400 |  |  | $ | — |  |  | $ | — |  |  | $ | 400 |  |  | $ | — |  |  | $ | 203 |
Schedule of Short-term Debt | The following commercial paper programs were in place at:
| September 30, 2021 |  | December 31, 2020
| Weighted - Average Interest Rate |  | Capacity |  | Commercial Paper Issuances |  | Unused Capacity |  | Weighted - Average Interest Rate |  | Commercial Paper Issuances
PPL Capital Funding |  |  | $ | 1,500 |  |  | $ | — |  |  | $ | 1,500 |  |  | 0.25% |  | $ | 402 |
PPL Electric |  |  | 650 |  |  | — |  |  | 650 |  |  |  |  | — |
LG&E (a) |  |  | 425 |  |  | — |  |  | 425 |  |  | 0.28% |  | 262 |
KU |  |  | 350 |  |  | — |  |  | 350 |  |  | 0.28% |  | 203 |
Total |  |  | $ | 2,925 |  |  | $ | — |  |  | $ | 2,925 |  |  |  |  | $ | 867 |
(a)In March 2021, the capacity for the LG&E commercial paper program was increased from $350 million to $425 million.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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