Dividend and Share Repurchase (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Supplemental Cash Flow Elements [Abstract]
Return of capital to shareholders [Text Block]	$ 1,000,000,000
Common Stock, Dividends, Per Share, Declared	$ 0.06
Dividends Payable, Date of Record	Aug. 09, 2013
Dividends Payable, Date to be Paid	Sep. 10, 2013
Dividends, Common Stock, Cash		51,000,000
Stock Repurchase Program, Authorized Amount	500,000,000
Share repurchase program, completion date		Jun. 30, 2016
Stock Repurchased and Retired During Period, Shares		5
Stock Repurchased and Retired During Period, Value		$ 100,000,000