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Property and Equipment (Tables)
 9 Months Ended
Sep. 30, 2018
Property Plant And Equipment [Abstract]  
Property and Equipment

Property and equipment consists of the following (in millions):

 

  

 

September 30, 2018

 

 

December 31, 2017

 

Land and land improvements

 

$

1,959

 

 

$

1,934

 

Buildings and leasehold improvements

 

 

13,609

 

 

 

13,529

 

Furniture and equipment

 

 

2,383

 

 

 

2,357

 

Construction in progress

 

 

179

 

 

 

106

 

 

 

 

18,130

 

 

 

17,926

 

Less accumulated depreciation and amortization

 

 

(8,355

)

 

 

(8,234

)

 

 

$

9,775

 

 

$

9,692