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PROPERTY, PLANT AND EQUIPMENT, NET | 12 Months Ended
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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.

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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