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Goodwill	6 Months Ended
Goodwill	Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets (PPL) The change in the carrying amount of goodwill for the six months ended June 30, 2016 was due to the effect of foreign currency exchange rates on the U.K. Regulated segment. The change in the other intangible assets for the six months ended June 30, 2016 was primarily due to an increase in the gross carrying amount of indefinite lived intangibles at WPD attributable to new easements of $47 million.