Share-Based Payments (Tables)

3 Months Ended

Mar. 31, 2015

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 within our condensed consolidated statements of income:

	For the Three Months Ended March 31,
(In millions)	2015			2014
Research and development	$	35.4		$	29.4
Selling, general and administrative	55.6			47.2
Subtotal	91.0			76.6
Capitalized share-based compensation costs	(3.4		)	(2.6		)
Share-based compensation expense included in total cost and expenses	87.6			74.0
Income tax effect	(26.7		)	(22.3		)
Share-based compensation expense included in net income attributable to Biogen Inc.	$	60.9		$	51.7

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)	2015			2014
Market stock units	$	17.0		$	14.9
Time-vested restricted stock units	31.9			29.2
Cash settled performance units	23.8			21.4
Performance units	13.2			6.3
Employee stock purchase plan	5.1			4.8
Subtotal	91.0			76.6
Capitalized share-based compensation costs	(3.4		)	(2.6		)
Share-based compensation expense included in total cost and expenses	$	87.6		$	74.0

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,
	2015	2014
Market stock units	175,000	214,000
Cash settled performance shares	112,000	172,000
Performance units	89,000	50,000
Time-vested restricted stock units	351,000	392,000