text: Gross 
  Unrealized 
  Gains  Adjusted Cost 
  
  Cash  $  15,903  $ 
  
  Certificates of deposit and time deposits  6,995 
  
  U.S. government securities  5,136 
  
  Corporate debt securities  485 
  
  Commercial paper  470 
  
  109  Money market funds 
  
  Total cash, cash equivalents and short- 
  term investments 
  $  29,098  $ 