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Property, Plant and Equipment, net (Tables)
3 Months Ended
Mar. 31, 2018
Property Plant And Equipment [Abstract]  
Summary of Property, Plant and Equipment

Property, plant and equipment consist of (in millions): 

 

  

 

Estimated

Useful Lives

 

March 31, 2018

 

 

December 31, 2017

 

Information technology assets

 

1-7 Years

 

$

48

 

 

$

48

 

Operating equipment

 

2-15 Years

 

 

92

 

 

 

93

 

Buildings and land (1)

 

5-35 Years

 

 

98

 

 

 

97

 

Total property, plant and equipment

 

 

 

 

238

 

 

 

238

 

Less: accumulated depreciation

 

 

 

 

(124

)

 

 

(119

)

Property, plant and equipment, net

 

 

 

$

114

 

 

$

119

 

 

 

(1)

Land has an indefinite life.