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Goodwill Impairment (Tables)
 9 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Identified by Segment

At September 30, 2016, the Company has approximately $6 billion of goodwill, which is identified by segment as follows (in millions):

 

     Rig Systems     Rig
Aftermarket		      Wellbore
Technologies		     Completion &
Production
Solutions		      Total  

Gross value before accumulated impairment

    $ 1,232      $ 877       $ 4,359      $ 1,997       $ 8,465   

Accumulated impairment

      —          —           (1,485 )      —           (1,485 ) 
  

 

 

    

 

 

     

 

 

    

 

 

     

 

 

  

Balance at December 31, 2015

    $ 1,232      $ 877       $ 2,874      $ 1,997       $ 6,980   

Goodwill acquired and adjusted during period

      1        —           (7 )      —           (6 ) 

Impairment

      (972 )      —           —          —           (972 ) 

Currency translation adjustments and other

      —          —           4        9         13   
  

 

 

    

 

 

     

 

 

    

 

 

     

 

 

  

Balance at September 30, 2016

    $ 261      $ 877       $ 2,871      $ 2,006       $ 6,015