Share-Based Payments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Share-based Compensation Expense included in consolidated statements of income
Subtotal	$ 69.1	$ 43.1	$ 128.6	$ 91.6
Capitalized share-based compensation costs	(2.7)	(1.3)	(5.0)	(2.5)
Share-based compensation expense included in total costs and expenses	66.4	41.8	123.6	89.1
Income tax effect	(20.3)	(12.7)	(36.9)	(27.1)
Research and development [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	23.7	18.1	48.9	37.8
Selling, general and administrative [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	45.4	25.0	79.7	53.8
Total share-based compensation expense, net of tax [Member]
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	$ 46.1	$ 29.1	$ 86.7	$ 62.0