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Property and Equipment, net
12 Months Ended
Dec. 31, 2012
Property and Equipment, net
11. Property and Equipment, net

Property and equipment, net consisted of:

 

     As of December 31,  
             2012                      2011          

Land

   $ 58         $ 58     

Buildings and leasehold improvements

     521           492     

Capitalized software

     419           400     

Furniture, fixtures and equipment

     319           259     

Buses and support vehicles

     64           54     

Projects in process

     37           37     
  

 

 

    

 

 

 
     1,418           1,300     

Less: Accumulated depreciation and amortization

     (889)          (807)    
  

 

 

    

 

 

 
   $ 529         $ 493     
  

 

 

    

 

 

 

Depreciation and amortization expense relating to property and equipment during 2012, 2011 and 2010 was $104 million, $88 million and $87 million, respectively (including $30 million, $26 million and $28 million, respectively, of amortization expense relating to capitalized computer software).