v2.4.0.6
Cash Flow Information
3 Months Ended
Mar. 31, 2013
Cash Flow Information [Abstract]  
Cash Flow Information
Note 18—Cash Flow Information    
     
 Millions of Dollars
 Three Months Ended
March 31
  2013 2012
Cash Payments    
Interest$ 157  228
Income taxes  1,199  1,308
     
Net Sales (Purchases) of Short-Term Investments    
Short-term investments purchased$ (23)  (497)
Short-term investments sold  -  589
 $ (23)  92