Shareholders' Equity Shareholders' Equity Narrative (Details) (USD $) In Billions, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Shareholders' Equity [Abstract]
Preferred Stock, No Par Value	$ 0
Common Stock, Shares Authorized	1,000,000,000
Preferred Stock, Shares Authorized	500,000
Common Stock, No Par Value	$ 0
Treasury Stock, Shares	57,500,000	57,500,000
Treasury Stock, Value	$ 1.6	$ 1.6