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Other Income (Expense) - net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Other Income |  |  |  |
Defined benefit plans - non-service credits | $ 15 | $ (1) | $ 23 | $ 16
AFUDC - equity component | 12 | 8 | 21 | 14
Miscellaneous | 1 | (10) | (1) | (10)
Other Expense |  |  |  |
Charitable Contributions | (2) | 0 | (4) | (2)
Other Income (Expense) - net | 32 | 5 | 54 | 35
Interest Income (Expense), Nonoperating, Net | 6 | 8 | 15 | 17
PPL Electric Utilities Corp [Member] |  |  |  |
Other Income |  |  |  |
Defined benefit plans - non-service credits | 4 | 5 | 9 | 10
AFUDC - equity component | 7 | 4 | 11 | 8
Miscellaneous | 1 | (1) | 0 | 0
Other Expense |  |  |  |
Charitable Contributions | (2) | 0 | (3) | (2)
Other Income (Expense) - net | 11 | 9 | 20 | 21
Interest Income (Expense), Nonoperating, Net | 1 | 1 | 3 | 5
Louisville Gas And Electric Co [Member] |  |  |  |
Other Income |  |  |  |
Defined benefit plans - non-service credits | 2 | (1) | 2 | 0
AFUDC - equity component | 2 | 1 | 3 | 1
Miscellaneous | 0 | 0 | 0 | 1
Other Expense |  |  |  |
Other Income (Expense) - net | 4 | 0 | 6 | 2
Interest Income (Expense), Nonoperating, Net | 0 | 0 | 1 | 0
Kentucky Utilities Co [Member] |  |  |  |
Other Income |  |  |  |
Defined benefit plans - non-service credits | 3 | 3 | 4 | 4
AFUDC - equity component | 2 | 1 | 3 | 1
Miscellaneous | (1) | (1) | (2) | 0
Other Expense |  |  |  |
Other Income (Expense) - net | 4 | 3 | 6 | 5
Interest Income (Expense), Nonoperating, Net | $ 0 | $ 0 | $ 1 | $ 0

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