Common Stock and Employee Equity Plans (Tables)

6 Months Ended

Jun. 27, 2020

Equity [Abstract]

Schedule of Common Shares Outstanding

Shares of common stock outstanding were as follows:

	Three Months Ended		Six Months Ended
	June 27, 2020	June 29, 2019	June 27, 2020	June 29, 2019
	(In millions)
Balance, beginning of period	1,171	1,082	1,170	1,005
Common stock issued under employee equity plans	3	4	4	5
Issuance of common stock upon warrant exercise	—	—	—	75
Issuance of treasury stock to partially settle debt	—	—	—	1
Balance, end of period	1,174	1,086	1,174	1,086

Share-based Payment Arrangement, Expensed and Capitalized, Amount

Stock-based compensation expense was as follows: 

	Three Months Ended				Six Months Ended
	June 27, 2020		June 29, 2019		June 27, 2020		June 29, 2019
	(In millions)
Cost of sales	$	2	$	2	$	4	$	3
Research and development	37		28		74		55
Marketing, general and administrative	21		15		41		28
Total	$	60	$	45	$	119	$	86