Stock-Based Compensation (Tables)

6 Months Ended

Oct. 24, 2014

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

Schedule of Components and Classification of Stock-based Compensation Expense

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