Debt - Long Term Debt Table (Phantom) (Details)	3 Months Ended
	Mar. 31, 2014
Senior Secured Term Loan Due 2017 | Term Loan [Member]
Long-Term Debt Instrument [Line Items]
Debt Instrument Maturity Year	2017
9.5% Senior Notes Due 2015 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	9.50%
Debt Instrument Maturity Year	2015
3.25% Senior Notes due 2016 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Debt Instrument Maturity Year	2016
6.25% Euro-Denominated Senior Notes Due 2017 | Senior Notes | Cross Currency Interest Rate Contract [Member]
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.25%
Debt Instrument Maturity Year	2017
6.5% Senior Notes Due 2017 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Debt Instrument Maturity Year	2017
6.875% Senior Notes Due 2018
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%
6.875% Senior Notes Due 2018 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.875%
Debt Instrument Maturity Year	2018
7.25% Senior Notes Due 2018 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.25%
Debt Instrument Maturity Year	2018
6.625% Senior Notes Due 2019 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%
Debt Instrument Maturity Year	2019
6.625% Senior Notes Due 2020 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%
Debt Instrument Maturity Year	2020
6.875% Senior Notes Due 2020 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.875%
Debt Instrument Maturity Year	2020
5.375% Senior Notes due 2021 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.375%
Debt Instrument Maturity Year	2021
6.125% Senior Notes Due 2021 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.125%
Debt Instrument Maturity Year	2021
5.75% Senior Notes due 2023 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.75%
Debt Instrument Maturity Year	2023
2.75% Contingent Convertible Senior Notes Due 2035
Long-Term Debt Instrument [Line Items]
Debt Instruments Convertible Optional Repurchase Dates	November 15, 2015, 2020, 2025, 2030
2.75% Contingent Convertible Senior Notes Due 2035 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Debt Instrument Maturity Year	2035
2.5% Contingent Convertible Senior Notes due 2037
Long-Term Debt Instrument [Line Items]
Debt Instruments Convertible Optional Repurchase Dates	May 15, 2017, 2022, 2027, 2032
2.5% Contingent Convertible Senior Notes due 2037 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.50%
Debt Instrument Maturity Year	2037
2.25% Contingent Convertible Senior Notes Due 2038
Long-Term Debt Instrument [Line Items]
Debt Instruments Convertible Optional Repurchase Dates	December 15, 2018, 2023, 2028, 2033
2.25% Contingent Convertible Senior Notes Due 2038 | Senior Notes
Long-Term Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.25%
Debt Instrument Maturity Year	2038