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NEW ACCOUNTING PRONOUNCEMENTS Effect of ASU 2017-07 adoption - Adjustments in Income statement (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2019 | Apr. 30, 2018 | Apr. 30, 2019 | Apr. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold | $ 442 | $ 451 | $ 870 | $ 863
Research and development | 171 | 160 | 344 | 310
Selling, general and administrative | 300 | 305 | 588 | 600
Other income (expense), net | 22 | 16 | 37 | 29
Change |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Research and development |  | 4 |  | 8
Selling, general and administrative |  | 6 |  | 12
Other income (expense), net |  | 14 |  | 26
As originally reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Research and development |  | 156 |  | 302
Selling, general and administrative |  | 299 |  | 588
Other income (expense), net |  | 2 |  | 3
Products |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold | 360 | 370 | 707 | 709
Products | Change |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold |  | 3 |  | 5
Products | As originally reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold |  | 367 |  | 704
Services and other |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold | $ 82 | 81 | $ 163 | 154
Services and other | Change |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold |  | 1 |  | 1
Services and other | As originally reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cost of Goods and Services Sold |  | $ 80 |  | $ 153

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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