Share-Based Payments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	$ (69.2)	$ 49.0
Subtotal	76.4	49.5
Capitalized share-based compensation costs	(1.5)	(3.3)
Share-based compensation expense included in total costs and expenses	74.9	46.2
Income tax effect	(13.3)	(7.4)
Research and development
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	33.3	21.7
Selling, general and administrative
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	43.1	27.8
Total share-based compensation expense, net of tax
Share-based Compensation Expense included in consolidated statements of income
Share-based compensation expense	$ 61.6	$ 38.8

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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