XML 39 R27.htm IDEA: XBRL DOCUMENT v3.21.2
Common Stock and Employee Equity Plans (Tables) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 25, 2021
Sep. 25, 2021
Sep. 26, 2020
Equity [Abstract]      
Schedule of Common Shares Outstanding  
Common Stock
Shares of common stock outstanding were as follows:
Three Months EndedNine Months Ended
September 25,
2021		September 26,
2020		September 25,
2021		September 26,
2020
(In millions)
Balance, beginning of period1,213 1,174 1,211 1,170 
Common stock issued under employee equity plans, net of tax withholding6 9 8 13 
Common stock repurchases for tax withholding on equity awards— (1)— (1)
Issuance of common stock to settle convertible debt— 20 3 20 
Repurchases of common stock(7)— (10)— 
Balance, end of period1,212 1,202 1,212 1,202 
  
Share-based Payment Arrangement, Expensed and Capitalized, Amount  
Stock-based Compensation
Stock-based compensation expense was as follows: 
Three Months EndedNine Months Ended
September 25,
2021		September 26,
2020		September 25,
2021		September 26,
2020
(In millions)
Cost of sales$2 $1 $4 $5 
Research and development63 48 171 122 
Marketing, general and administrative34 27 92 68 
Total stock-based compensation expense before income taxes99 76 267 195 
Income tax benefit(16)— (43)— 
Total stock-based compensation expense after income taxes$83 $76 $224 $195 
  
Stock Repurchased During Period, Shares 7.2 10.4  
Payments for Repurchase of Common Stock   $ 1,004 $ 0
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 3,000.0 3,000.0