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Other Income (Expense) - net	9 Months Ended
Other Income (Expense) - net	Sep. 30, 2017
Other Nonoperating Income (Expense) [Abstract]
Other Income (Expense) - net	11. Other Income (Expense) - net (PPL) "Other Income (Expense) - net" for the three and nine months ended September 30, 2017 and 2016 consisted primarily of gains (losses) on foreign currency contracts to economically hedge PPL's translation risk related to its GBP denominated earnings in the U.K. See Note 13 for additional information on these derivatives.