Share-Based Payments (Details 1) (USD $) In Millions, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses	$ 36.1	$ 49.4	$ 74.4	$ 102.3
Capitalized share-based payment costs	(1.0)	(0.7)	(2.0)	(1.6)
Share-based compensation expense included in total costs and expenses	35.1	48.7	72.4	100.7
Income tax effect	(10.9)	(15.7)	(23.0)	(32.4)
Share-Based Payments (Textuals) [Abstract]
Shares issued under ESPP			316,000	335,000
Time Vested Restricted Stock Units [Member] | February 2011 [Member]
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			1.2
Market stock units [Member] | Attainment of performance criteria [Member]
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			18,000
Cash settled performance shares [Member] | Attainment of performance criteria [Member]
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			95,000
Time Vested Restricted Stock Units [Member] | Attainment of performance criteria [Member]
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			135,000
Attainment of performance criteria [Member] | Performance vested restricted stock units [Member]
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			1,000
Research and development [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses	13.9	15.4	32.2	32.1
Selling, general and administrative [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses	22.2	34.0	42.8	70.2
Restructuring Charges [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses			(0.6)
Total share-based compensation expense, net of tax [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses	24.2	33.0	49.4	68.3
Time Vested Restricted Stock Units [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses	19.1	32.3	46.2	65.8
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			1,303,000	1,700,000
Market stock units [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense included in total costs and expenses	$ 4.3	$ 1.9	$ 7.7	$ 5.5
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			373,000	334,000
Cash settled performance shares [Member]
Additional-Share Based Payments (Textuals) [Abstract]
Stock granted in connection with annual awards made in February 2011			483,000	373,000