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Other Income (Expense) - net | 9 Months Ended
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Sep. 30, 2025
Other Income (Expense) Net [Line Items] |
Other Income (Expense) - net | 12. Other Income (Expense) - net (PPL) The details of "Other Income (Expense) - net" for the periods ended September 30, were:
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
Defined benefit plans - non-service credits (Note 9) | $ | 8 |  |  | $ | 9 |  |  | $ | 23 |  |  | $ | 32 |
Interest income | 6 |  |  | 10 |  |  | 13 |  |  | 25 |
AFUDC - equity component | 23 |  |  | 13 |  |  | 58 |  |  | 33 |
Miscellaneous | 2 |  |  | — |  |  | (4) |  |  | (4) |
Other Income (Expense) - net | $ | 39 |  |  | $ | 32 |  |  | $ | 90 |  |  | $ | 86 |
(PPL Electric) The details of "Other Income (Expense) - net" for the periods ended September 30, were:
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
Defined benefit plans - non-service credits (Note 9) | $ | 4 |  |  | $ | 4 |  |  | $ | 11 |  |  | $ | 13 |
Interest income | 3 |  |  | 3 |  |  | 6 |  |  | 5 |
AFUDC - equity component | 8 |  |  | 6 |  |  | 23 |  |  | 17 |
Miscellaneous | (1) |  |  | — |  |  | (4) |  |  | (2) |
Other Income (Expense) - net | $ | 14 |  |  | $ | 13 |  |  | $ | 36 |  |  | $ | 33 |
(LG&E) The details of "Other Income (Expense) - net" for the periods ended September 30, were:
| Three Months |  | Nine Months |
| 2025 |  | 2024 |  | 2025 |  | 2024 |
Defined benefit plans - non-service credits (Note 9) | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 3 |  |
AFUDC - equity component | 4 |  |  | 2 |  |  | 11 |  |  | 5 |  |
Miscellaneous | 4 |  |  | 1 |  |  | 4 |  |  | 1 |  |
Other Income (Expense) - net | $ | 8 |  |  | $ | 3 |  |  | $ | 16 |  |  | $ | 9 |  |
(KU) The details of "Other Income (Expense) - net" for the periods ended September 30, were:
| Three Months |  | Nine Months
| 2025 |  | 2024 |  | 2025 |  | 2024
Defined benefit plans - non-service credits (Note 9) | $ | 1 |  |  | $ | 2 |  |  | $ | 4 |  |  | $ | 6 |
AFUDC - equity component | 6 |  |  | 3 |  |  | 14 |  |  | 6 |
Miscellaneous | 2 |  |  | (1) |  |  | 1 |  |  | (2) |
Other Income (Expense) - net | $ | 9 |  |  | $ | 4 |  |  | $ | 19 |  |  | $ | 10 |

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- References No definition available. + Details
Name: | ppl_OtherIncomeExpenseNetLineItems
Namespace Prefix: | ppl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Disclosure of the detailed components of other nonoperating income and other nonoperating expenses. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), (d) miscellaneous other income items, (e) losses on securities (net of profits) and (f) miscellaneous income deductions. + References No definition available. + Details
Name: | ppl_OtherIncomeOtherExpenseDisclosureNonoperatingTextBlock
Namespace Prefix: | ppl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration