Share-Based Payments (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based compensation expense included in condensed consolidated statements of income

The following table summarizes share-based compensation expense included in our condensed consolidated statements of income:

	For the Three Months Ended March 31,
(In millions)	2016			2015
Research and development	$	21.4		$	35.4
Selling, general and administrative	34.7			55.6
Restructuring charges	(1.8		)	—
Subtotal	54.3			91.0
Capitalized share-based compensation costs	(3.1		)	(3.4		)
Share-based compensation expense included in total cost and expenses	51.2			87.6
Income tax effect	(15.2		)	(26.7		)
Share-based compensation expense included in net income attributable to Biogen Inc.	$	36.0		$	60.9

Summary of share-based compensation expense associated with each of our share-based compensating programs

The following table summarizes share-based compensation expense associated with each of our share-based compensation programs:

	For the Three Months Ended March 31,
(In millions)	2016			2015
Market stock units	$	13.4		$	17.0
Time-vested restricted stock units	30.1			31.9
Cash settled performance units	0.2			23.8
Performance units	6.9			13.2
Employee stock purchase plan	3.7			5.1
Subtotal	54.3			91.0
Capitalized share-based compensation costs	(3.1		)	(3.4		)
Share-based compensation expense included in total cost and expenses	$	51.2		$	87.6

Summary of equity grants to employees, officers and directors under our current stock plans

The following table summarizes our equity grants to employees, officers and directors under our current stock plans:

	For the Three Months Ended March 31,
	2016	2015
Market stock units	146,000	175,000
Cash settled performance shares	73,000	112,000
Performance units	57,000	89,000
Time-vested restricted stock units	549,000	351,000