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Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2012
Stock Based Compensation Tables [Abstract]  
Stock-based Compensation [Table Text Block]
  Three Months Ended 
  March 31, 
  20122011
 RSUs and PSUs$30 $25 
 Stock options and equivalents 12  9 
 Stock-based compensation expense, before income taxes 42  34 
 Related tax benefit (16)  (13) 
 Stock-based compensation expense, net of tax benefit$26 $21