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Property and Equipment, net
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Property and Equipment, net
Property and Equipment, net
Property and equipment, net consisted of the following:
 
December 31,
2017
 
December 31,
2016
 
(in millions)
Land
$
516

 
$
547

Buildings and leasehold improvements
714

 
666

Equipment
623

 
544

Construction in progress
159

 
185

Total property and equipment
2,012

 
1,942

Less: accumulated depreciation
455

 
358

Property and equipment, net
$
1,557

 
$
1,584


Depreciation expense on property and equipment was $102 million, $111 million and $113 million for the years ended December 31, 2017, December 31, 2016, and December 31, 2015, respectively.