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Share-Based Payments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	$ (72.6)	$ (69.2)
Subtotal	78.5	76.4
Capitalized share-based compensation costs	(2.6)	(1.5)
Share-based compensation expense included in total costs and expenses	75.9	74.9
Income tax effect	(14.0)	(13.3)
Research and development
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	33.6	33.3
Selling, general and administrative
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	44.9	43.1
Total share-based compensation expense, net of tax
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	$ 61.9	$ 61.6

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Share based compensation expense included in costs and expenses.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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