Stock-Based Compensation

6 Months Ended

Oct. 24, 2014

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

Stock-based Compensation

Stock-Based Compensation

Under the fair value recognition provisions of U.S. GAAP for accounting for stock-based compensation, the Company measures stock-based compensation expense at the grant date based on the fair value of the award and recognizes the compensation expense over the requisite service period, which is generally the vesting period.

The following table presents the components and classification of stock-based compensation expense recognized for the three and six months ended October 24, 2014 and October 25, 2013:

	Three months ended						Six months ended
(in millions)	October 24, 2014			October 25, 2013			October 24, 2014			October 25, 2013
Stock options	$	14		$	13		$	20		$	20
Restricted stock awards	31			28			54			48
Employee stock purchase plan	3			3			8			7
Total stock-based compensation expense	$	48		$	44		$	82		$	75
Cost of products sold	$	4		$	4		$	8		$	7
Research and development expense	9			8			15			14
Selling, general, and administrative expense	35			32			59			54
Total stock-based compensation expense	$	48		$	44		$	82		$	75
Income tax benefits	(14		)	(13		)	(23		)	(21		)
Total stock-based compensation expense, net of tax	$	34		$	31		$	59		$	54