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PROPERTY, PLANT AND EQUIPMENT, NET
 12 Months Ended
Oct. 31, 2020
Property, Plant and Equipment, Net [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET
10.
PROPERTY, PLANT AND EQUIPMENT, NET
 
October 31,
 
2020
 
2019
 
(in millions)
Land
$
67

 
$
65

Buildings and leasehold improvements
743

 
721

Machinery and equipment
1,224

 
1,137

Total property, plant and equipment
2,034

 
1,923

Accumulated depreciation of property, plant and equipment
(1,439
)
 
(1,347
)
Property, plant and equipment, net
$
595

 
$
576


Asset impairments were zero in 2020, 2019 and 2018. Depreciation expense was $104 million in 2020, $96 million in 2019 and $103 million in 2018.