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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets

6. Goodwill and Other Intangible Assets

Goodwill was $6,215 million as of December 31, 2016 compared with $5,984 million as of December 31, 2015. The $231 million increase in goodwill during 2016 is primarily related to the acquisition of certain operations and business assets of Southern Waste Systems/Sun Recycling (“SWS”) in Southern Florida. See Notes 19 and 21 for additional information.

As discussed more fully in Note 3, we perform our annual impairment test of goodwill balances for our reporting units using a measurement date of October 1. We will also perform interim tests if an impairment indicator exists. See Note 13 for discussion of goodwill impairments.

Our other intangible assets as of December 31, 2016 and 2015 were comprised of the following (in millions):

 

     Customer
and Supplier
Relationships
     Covenants
Not-to-
Compete
     Licenses,
Permits
and Other
     Total  

December 31, 2016:

           

Intangible assets

   $ 835       $ 59       $ 123       $ 1,017   

Less accumulated amortization

     (342      (31      (53      (426
  

 

 

    

 

 

    

 

 

    

 

 

 
   $ 493       $ 28       $ 70       $ 591   
  

 

 

    

 

 

    

 

 

    

 

 

 

December 31, 2015:

           

Intangible assets

   $ 658       $ 51       $ 119       $ 828   

Less accumulated amortization

     (270      (35      (46      (351
  

 

 

    

 

 

    

 

 

    

 

 

 
   $ 388       $ 16       $ 73       $ 477   
  

 

 

    

 

 

    

 

 

    

 

 

 

Amortization expense for other intangible assets was $100 million for 2016, $76 million for 2015 and $78 million for 2014. At December 31, 2016, we had $18 million of licenses, permits and other intangible assets that are not subject to amortization, because they do not have stated expirations or have routine, administrative renewal processes. Additional information related to other intangible assets acquired through business combinations is included in Note 19. As of December 31, 2016, we expect annual amortization expense related to other intangible assets to be $97 million in 2017; $87 million in 2018; $77 million in 2019; $69 million in 2020 and $58 million in 2021.