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Other Income (Expense) - net (Tables) | 12 Months Ended
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Dec. 31, 2025
Other Income (Expense) Net [Line Items] |
Other Income (Expense) - net | The components of "Other Income (Expense) - net" for the years ended December 31, were:
| 2025 |  | 2024 |  | 2023
Defined benefit plans - non-service credits (Note 10) | $ | 59 |  |  | $ | 42 |  |  | $ | 40 |
Interest income | 20 |  |  | 33 |  |  | 32 |
AFUDC - equity component | 81 |  |  | 47 |  |  | 30 |
Talen litigation (a) | — |  |  | (2) |  |  | (124) |
Miscellaneous | (9) |  |  | (6) |  |  | (18) |
Other Income (Expense) - net | $ | 151 |  |  | $ | 114 |  |  | $ | (40) |
(a)PPL incurred legal expenses related to litigation associated with its former affiliate, Talen Montana, LLC, and certain affiliated entities (collectively, Talen), which was settled in December 2023.
PPL Electric Utilities Corp [Member] |
Other Income (Expense) Net [Line Items] |
Other Income (Expense) - net | The components of "Other Income (Expense) - net" for the years ended December 31, were:
| 2025 |  | 2024 |  | 2023
Defined benefit plans - non-service credits (Note 10) | $ | 14 |  |  | $ | 17 |  |  | $ | 20 |
Interest income | 8 |  |  | 8 |  |  | 8 |
AFUDC - equity component | 30 |  |  | 23 |  |  | 16 |
Miscellaneous | (4) |  |  | (3) |  |  | (5) |
Other Income (Expense) - net | $ | 48 |  |  | $ | 45 |  |  | $ | 39 |
LOUISVILLE GAS And ELECTRIC CO [Member] |
Other Income (Expense) Net [Line Items] |
Other Income (Expense) - net | The components of "Other Income (Expense) - net" for the years ended December 31, were:
| 2025 |  | 2024 |  | 2023
Defined benefit plans - non-service credits (Note 10) | $ | 3 |  |  | $ | 3 |  |  | $ | — |
AFUDC - equity component | 16 |  |  | 8 |  |  | 3 |
Miscellaneous | 5 |  |  | 1 |  |  | — |
Other Income (Expense) - net | $ | 24 |  |  | $ | 12 |  |  | $ | 3 |
Kentucky Utilities Co [Member] |
Other Income (Expense) Net [Line Items] |
Other Income (Expense) - net | The components of "Other Income (Expense) - net" for the years ended December 31, were:
| 2025 |  | 2024 |  | 2023
Defined benefit plans - non-service credits (Note 10) | $ | 7 |  |  | $ | 8 |  |  | $ | 6 |
AFUDC - equity component | 21 |  |  | 9 |  |  | 3 |
Miscellaneous | 1 |  |  | (2) |  |  | (1) |
Other Income (Expense) - net | $ | 29 |  |  | $ | 15 |  |  | $ | 8 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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