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Spin-off of Distribution Business (Tables)
6 Months Ended
Jun. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Selected Financial Information Reported as Discontinued Operations

The following table presents selected financial information regarding the results of operations of our distribution business, which is reported as discontinued operations (in millions):

 

     Three Months
Ended
June 30, 2014
     Six Months
Ended
June 30, 2014
 

Revenue from discontinued operations

   $ 624       $ 1,701   
  

 

 

    

 

 

 

Income from discontinued operations before income taxes

     21         83   
  

 

 

    

 

 

 

Income tax expense

     10         31   
  

 

 

    

 

 

 

Income from discontinued operations

   $ 11       $ 52