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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Integer	Jun. 30, 2012 Integer	Jun. 30, 2013 Integer	Jun. 30, 2012 Integer
Vote per share of PPL's common stock	1	1	1	1
Stock-based compensation expense related to new and existing unvested equity awards	$ 8	$ 6	$ 36	$ 35
Reclassifications from Stock-based compensation to Common stock issued	$ (5)		$ (18)	$ (12)

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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