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PROPERTY, PLANT AND EQUIPMENT, NET
12 Months Ended
Oct. 31, 2016
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET
8.     PROPERTY, PLANT AND EQUIPMENT, NET

 
October 31,
 
2016
 
2015
 
(in millions)
Land
$
53

 
$
53

Buildings and leasehold improvements
757

 
705

Machinery and equipment
420

 
405

Software
176

 
171

Total property, plant and equipment
1,406

 
1,334

Accumulated depreciation and amortization
(767
)
 
(730
)
Property, plant and equipment, net
$
639

 
$
604



There were no asset impairments in 2016 and 2015. Asset impairments other than related to our exit of the NMR business were zero in 2014. Asset impairments in connection with the exit of the NMR business were $7 million in 2014. Depreciation expenses were $95 million in 2016, $98 million in 2015 and $120 million in 2014.