Share-based Payments

9 Months Ended

Sep. 30, 2022

Share-based Payment Arrangement [Abstract]

Share-based Payments

Share-based Compensation Expense

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

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
(In millions)	2022		2021		2022		2021
Research and development	$	24.5	$	19.5	$	72.6	$	72.2
Selling, general and administrative	46.5		42.6		129.3		127.8
Subtotal	71.0		62.1		201.9		200.0
Capitalized share-based compensation costs	(2.0)		(1.9)		(7.1)		(6.3)
Share-based compensation expense included in total cost and expense	69.0		60.2		194.8		193.7
Income tax effect	(13.0)		(10.9)		(36.0)		(35.8)
Share-based compensation expense included in net income attributable to Biogen Inc.	$	56.0	$	49.3	$	158.8	$	157.9

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

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
(In millions)	2022		2021		2022		2021
Market stock units	$	4.0	$	9.7	$	11.4	$	35.5
Time-vested restricted stock units	48.7		38.8		150.4		121.9
Performance stock units settled in stock	10.5		4.9		22.1		14.2
Performance stock units settled in cash	5.4		4.4		7.9		13.9
Employee stock purchase plan	2.4		4.3		10.1		14.5
Subtotal	71.0		62.1		201.9		200.0
Capitalized share-based compensation costs	(2.0)		(1.9)		(7.1)		(6.3)
Share-based compensation expense included in total cost and expense	$	69.0	$	60.2	$	194.8	$	193.7

We estimate the fair value of our obligations associated with our performance stock units settled in cash at the end of each reporting period through expected settlement. Cumulative adjustments to these obligations are recognized each quarter to reflect changes in the stock price and estimated outcome of the performance-related conditions.