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Supplemental cash flow information
6 Months Ended
Jun. 30, 2011
Supplemental cash flow information
Note 13.    Supplemental cash flow information
 
A summary of supplemental cash flow information for the first six months of 2011 and 2010 is presented in the following table (in millions).
 
   
First Six Months
 
   
2011
   
2010
 
Cash paid during the period for:
           
Income taxes
  $ 802     $ 2,319  
Interest of insurance and other businesses
    115       80  
Interest of railroad, utilities and energy businesses
    904       790  
Interest of finance and financial products businesses
    340       361  
                 
Non-cash investing and financing activities:
               
Liabilities assumed in connection with acquisition of BNSF
          30,968  
Common stock issued in connection with acquisition of BNSF
          10,577  
Common stock issued in connection with acquisition of noncontrolling interests in Wesco Financial Corporation
    245