v2.4.0.6
Cash Flow Information (Tables)
12 Months Ended
Dec. 31, 2011
Cash Flow Information

Amounts included in continuing operations for the years ended December 31 were:

 

     Millions of Dollars  
     2011     2010     2009  

Noncash Investing and Financing Activities

      

Increase in PP&E related to an increase in asset retirement obligations

   $ 182        808        974   
  

 

 

   

 

 

   

 

 

 

Cash Payments

      

Interest

   $ 919        1,120        1,052   

Income taxes

     10,285        8,262        6,377   
  

 

 

   

 

 

   

 

 

 

Net Sales (Purchases) of Short-Term Investments

      

Short-term investments purchased

   $ (6,744     (982     —     

Short-term investments sold

     7,144        —          —     
  

 

 

   

 

 

   

 

 

 
   $ 400        (982     —