Stock-Based Compensation (Tables)

3 Months Ended

Jul. 27, 2018

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

Components and Classification of Stock-based Compensation Expense

The following table presents the components and classification of stock-based compensation expense for stock options, restricted stock, and employee stock purchase plan shares recognized for the three months ended July 27, 2018 and July 28, 2017:

	Three months ended
(in millions)	July 27, 2018			July 28, 2017
Stock options	$	18		$	35
Restricted stock	36			48
Employee stock purchase plan	10			9
Total stock-based compensation expense	$	64		$	92
Cost of products sold	$	6		$	10
Research and development expense	8			9
Selling, general, and administrative expense	50			73
Total stock-based compensation expense	64			92
Income tax benefits	(11		)	(25		)
Total stock-based compensation expense, net of tax	$	53		$	67