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Related Party Transactions (Tables) | 9 Months Ended
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Sep. 30, 2025
PPL Electric Utilities Corp [Member] |
Related Party Transactions [Line Items] |
Intercompany Support Cost Allocations | PPL Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
PPL Electric from PPL Services | $ | 64 |  |  | $ | 53 |  |  | $ | 196 |  |  | $ | 159 |
LG&E from LKS | 28 |  |  | 25 |  |  | 76 |  |  | 82 |
LG&E from PPL Services | 49 |  |  | 15 |  |  | 112 |  |  | 46 |
KU from LKS | 38 |  |  | 31 |  |  | 98 |  |  | 99 |
KU from PPL Services | 48 |  |  | 15 |  |  | 109 |  |  | 45 |
Louisville Gas And Electric Co [Member] |
Related Party Transactions [Line Items] |
Intercompany Support Cost Allocations | PPL Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
PPL Electric from PPL Services | $ | 64 |  |  | $ | 53 |  |  | $ | 196 |  |  | $ | 159 |
LG&E from LKS | 28 |  |  | 25 |  |  | 76 |  |  | 82 |
LG&E from PPL Services | 49 |  |  | 15 |  |  | 112 |  |  | 46 |
KU from LKS | 38 |  |  | 31 |  |  | 98 |  |  | 99 |
KU from PPL Services | 48 |  |  | 15 |  |  | 109 |  |  | 45 |
Kentucky Utilities Co [Member] |
Related Party Transactions [Line Items] |
Intercompany Support Cost Allocations | PPL Services and LKS charged the following amounts for the periods ended September 30, including amounts applied to accounts that are further distributed between capital and expense on the books of the recipients, based on methods that are believed to be reasonable.
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
PPL Electric from PPL Services | $ | 64 |  |  | $ | 53 |  |  | $ | 196 |  |  | $ | 159 |
LG&E from LKS | 28 |  |  | 25 |  |  | 76 |  |  | 82 |
LG&E from PPL Services | 49 |  |  | 15 |  |  | 112 |  |  | 46 |
KU from LKS | 38 |  |  | 31 |  |  | 98 |  |  | 99 |
KU from PPL Services | 48 |  |  | 15 |  |  | 109 |  |  | 45 |

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