XML 49 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Stock Based Compensation Tables [Abstract]  
Stock-based Compensation [Table Text Block]
   Three Months Ended Nine Months Ended
  September 30, September 30,
    2012   2011   2012   2011 
 RSUs and PSUs$28  $25  $88  $77 
 Stock options and equivalents 10   10   31   33 
 Stock-based compensation expense,               
  before income taxes 38   35   119   110 
 Related tax benefit (15)   (14)   (46)   (44) 
 Stock-based compensation expense,               
  net of tax benefit$23  $21  $73  $66