Debt (Cash Convertible Notes) (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014		Dec. 31, 2013	Sep. 15, 2008
Debt Instrument [Line Items]
Notes and Loans Payable, Current	$ 1,933,500,000		$ 0
Cash Convertible Notes
Debt Instrument [Line Items]
Trading days	20 days
Consecutive trading days	30 days
Cash Convertible Notes | Convertible Debt
Debt Instrument [Line Items]
Notes and Loans Payable, Current	1,933,400,000	[1]
Ratio of observed share price to conversion reference price	130.00%
Conversion reference price	$ 13.32
Outstanding principal	574,000,000		574,000,000	575,000,000
Reference principal amount	$ 1,000
Conversion reference rate, per reference principal amount	75.0751

[1] As of September 30, 2014 and December 31, 2013, the cash convertible notes were classified as current portion of long-term debt and other long-term obligations and long-term debt, respectively, on the Consolidated Balance Sheets.