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Other Income (Expense) - net | 6 Months Ended
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Jun. 30, 2021
Other Income (Expense) Net [Line Items] |
Other Income (Expense) - net | 13. Other Income (Expense) - net (PPL) The details of "Other Income (Expense) - net" for the periods ended June 30, were:
| Three Months |  | Six Months |  |  |  |
| 2021 |  | 2020 |  | 2021 |  | 2020 |  |  |  |  |  |  |  |
Other Income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined benefit plans - non-service credits (Note 10) | $ | 8 |  |  | $ | 2 |  |  | $ | 12 |  |  | $ | 3 |  |  |  |  |  |  |  |  |
Interest Income | 4 |  |  | 1 |  |  | 4 |  |  | 1 |  |  |  |  |  |  |  |  |
AFUDC - equity component | 5 |  |  | 5 |  |  | 9 |  |  | 8 |  |  |  |  |  |  |  |  |
Miscellaneous | 5 |  |  | 1 |  |  | 5 |  |  | 2 |  |  |  |  |  |  |  |  |
Total Other Income | 22 |  |  | 9 |  |  | 30 |  |  | 14 |  |  |  |  |  |  |  |  |
Other Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Charitable contributions | 1 |  |  | 1 |  |  | 2 |  |  | 2 |  |  |  |  |  |  |  |  |
Miscellaneous | 8 |  |  | (2) |  |  | 15 |  |  | 7 |  |  |  |  |  |  |  |  |
Total Other Expense | 9 |  |  | (1) |  |  | 17 |  |  | 9 |  |  |  |  |  |  |  |  |
Other Income (Expense) - net | $ | 13 |  |  | $ | 10 |  |  | $ | 13 |  |  | $ | 5 |  |  |  |  |  |  |  |  |

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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: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration