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Other Income (Expense) - net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Other Income |  |  |  |
Defined benefit plans - non-service credits | $ 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
PPL Electric Utilities Corp [Member] |  |  |  |
Other Expense |  |  |  |
Other Income (Expense) - net | $ 5 | $ 5 | $ 10 | $ 8

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