Stock-Based Compensation (Tables)

3 Months Ended

Jul. 25, 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 months ended July 25, 2014 and July 26, 2013:

	Three months ended
(in millions)	July 25, 2014			July 26, 2013
Stock options	$	6		$	8
Restricted stock awards	23			19
Employee stock purchase plan	5			4
Total stock-based compensation expense	$	34		$	31
Cost of products sold	$	4		$	3
Research and development expense	6			6
Selling, general, and administrative expense	24			22
Total stock-based compensation expense	$	34		$	31
Income tax benefits	(9		)	(8		)
Total stock-based compensation expense, net of tax	$	25		$	23