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PROPERTY, PLANT AND EQUIPMENT, NET
 12 Months Ended
Oct. 31, 2019
Property, Plant and Equipment, Net [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET
PROPERTY, PLANT AND EQUIPMENT, NET
 
October 31,
 
2019
 
2018
 
(in millions)
Land
$
65

 
$
63

Buildings and leasehold improvements
721

 
695

Machinery and equipment
1,137

 
1,074

Total property, plant and equipment
1,923

 
1,832

Accumulated depreciation and amortization
(1,347
)
 
(1,277
)
Property, plant and equipment, net
$
576

 
$
555


Asset impairments were zero in 2019, 2018 and 2017. Depreciation expense was $96 million in 2019, $103 million in 2018 and $92 million in 2017. Buildings and leasehold improvements include assets held under capital lease of $4 million and $4 million at October 31, 2019 and 2018, respectively.
In 2014 we entered into a binding contract to sell land in the United Kingdom that resulted in the transfers of three separate land tracts from 2014 through 2017 totaling approximately $34 million. In 2017 we recognized a gain of $8 million on the sale of the land tracts in other operating expense (income).