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PROPERTY, PLANT AND EQUIPMENT, NET | 12 Months Ended
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Oct. 31, 2019
Property, Plant and Equipment [Abstract] |
PROPERTY, PLANT AND EQUIPMENT, NET | PROPERTY, PLANT AND EQUIPMENT, NET
| October 31,
| 2019 |  | 2018
| (in millions)
Land | $ | 57 |  |  | $ | 55 |
Buildings and leasehold improvements | 1,012 |  |  | 952 |
Machinery and equipment | 546 |  |  | 512 |
Software | 160 |  |  | 141 |
Total property, plant and equipment | 1,775 |  |  | 1,660 |
Accumulated depreciation and amortization | (925 | ) |  | (838 | )
Property, plant and equipment, net | $ | 850 |  |  | $ | 822 |
There were no asset impairments in 2019 and 2017 and less than $1 million asset impairments in 2018. Depreciation expenses were $111 million in 2019, $102 million in 2018 and $94 million in 2017. In 2019 we retired approximately $23 million of fully depreciated assets that were no longer in use.

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- References No definition available. + Details
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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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