Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Discontinued Operations (Numeric) [Abstract]
Proceeds from the sale of certain non-core generation facilities			$ 381
PPL Energy Supply LLC [Member]
Discontinued Operations (Numeric) [Abstract]
Proceeds from the sale of certain non-core generation facilities			$ 381