Equity (Share Activity) (Narrative) (Details) - 2014 Share Repurchase Program [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Dec. 31, 2014	Jun. 30, 2015
Equity, Treasury Stock [Line Items]
Share repurchase program, amount authorized, value	$ 100
Treasury stock acquired, value		$ 100
Common Stock [Member]
Equity, Treasury Stock [Line Items]
Common stock repurchases (in shares)	0	5,218,000