Stockholders' Deficit (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified		1 Months Ended	3 Months Ended	7 Months Ended	3 Months Ended
	Mar. 31, 2014	Jan. 31, 2014 Two Thousand Fourteen Share Buyback Program [Member]	Mar. 31, 2014 Two Thousand Fourteen Share Buyback Program [Member]	Jul. 24, 2013 Two Thousand Thirteen Share Buyback Program [Member]	Mar. 31, 2014 Restricted Stock Units [Member]
Treasury Stock Repurchase Programs [Line Items]
Additional share repurchase amount authorized		$ 527,600,000
Common stock authorized to repurchase		1,000,000,000
Remaining common stock available for repurchase			868,300,000	472,400,000
Common stock repurchase, share			2.4		0.3
Average stock price			$ 54.39		$ 55.16
Aggregate cost of share			131,700,000		13,900,000
Common stock, held in treasury	189.3
Common stock repurchased	$ 6,100,000,000