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Restructuring Costs (Tables)
 12 Months Ended
Dec. 31, 2016
Restructuring and Related Activities [Abstract]  
Restructuring Charges Pre Tax by Segment

The following table summarizes pre-tax restructuring charges, including employee severance and benefit costs and other charges, for the years ended December 31 (in millions):

 

     2016      2015      2014  

Solid Waste

    $ 4       $ 14       $ 10   

Corporate and Other

      —           1         71   

Wheelabrator

      —           —           1   
  

 

 

     

 

 

     

 

 

  
   $ 4       $ 15       $ 82