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Properties and Equipment, Net (Tables)
 12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Properties and Equipment, Net
Properties and equipment, net is summarized in the following table:
At December 31,
2018
 
2017
 
(in millions)
Land
$
8

 
$
8

Buildings and improvements
619

 
609

Furniture and equipment
145

 
145

Total
772

 
762

Accumulated depreciation and amortization
(614
)
 
(577
)
Properties and equipment, net
$
158

 
$
185