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INCOME TAXES Operating loss carryforwards (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Operating Loss Carryforwards [Line Items] |  |  |
Interest and penalties relating to unrecognized tax benefits recognized | $ 5 | $ 2 | $ 2
US |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | $ 7 |  |
Operating Loss Carryforwards Expiration Duration | 2027 through 2029 |  |
State |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | $ 58 |  |
Operating Loss Carryforwards Expiration Duration | 2029 |  |
Foreign Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | $ 979 |  |
Operating Loss Carryforwards Expiration Duration | 2023 through 2034 |  |
Portion Of Deferred Tax Assets Operating Loss Carryforwards Foreign With Expiration Dates 2023 through 2034 | $ 93 |  |
Portion Of Deferred Tax Assets Operating Loss Carryforwards Foreign With Expiration Dates 2034 through 2037 | 670 |  |
Portion Of Deferred Tax Assets Operating Loss Carryforwards Foreign With No Expiration Dates | 216 |  |
Research Tax Credit Carryforward [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | 19 |  |
Acquired entities [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Interest and penalties relating to unrecognized tax benefits recognized |  | $ 4 |
Acquired entities [Member] | US |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating Loss Carryforwards | $ 51 |  |

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- Definition The portion of the tax effect, set to expire within a stated time period, as of the balance sheet date. The amount of excess of tax deductions over gross income in a year which cannot be used on the tax return of a country outside the country of domicile in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year up to the time it expires. + References No definition available. + Details
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- Definition The portion of the tax effect, with no expire date, as of the balance sheet date. The amount of excess of tax deductions over gross income in a year which cannot be used on the tax return of a country outside the country of domicile in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year up to the time it expires. + References No definition available. + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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