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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2016 | Jul. 31, 2015
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Document Period End Date |  |  | Jul. 31, 2016 |
U.S. Defined Benefit Plans |  |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost |  |  |  |
Service cost—benefits earned during the period | $ 5 | $ 5 | $ 15 | $ 16
Interest cost on benefit obligation | 6 | 5 | 18 | 15
Expected return on plan assets | (9) | (9) | (27) | (28)
Amortization: |  |  |  |
Net actuarial losses | 2 | 1 | 6 | 3
Prior service credit | (2) | (2) | (6) | (5)
Total periodic benefit cost (benefit) | 2 | 0 | 6 | 1
Non-U.S. Defined Benefit Plans |  |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost |  |  |  |
Service cost—benefits earned during the period | 5 | 4 | 13 | 13
Interest cost on benefit obligation | 8 | 10 | 24 | 31
Expected return on plan assets | (19) | (18) | (56) | (55)
Amortization: |  |  |  |
Net actuarial losses | 7 | 8 | 21 | 22
Prior service credit | 0 | (1) | 0 | (1)
Total periodic benefit cost (benefit) | 1 | 3 | 2 | 10
U.S. Post-Retirement Benefit Plan |  |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost |  |  |  |
Service cost—benefits earned during the period | 0 | 0 | 0 | 1
Interest cost on benefit obligation | 2 | 2 | 6 | 6
Expected return on plan assets | (3) | (4) | (10) | (11)
Amortization: |  |  |  |
Net actuarial losses | 5 | 3 | 15 | 9
Prior service credit | (4) | (5) | (12) | (16)
Total periodic benefit cost (benefit) | $ 0 | $ (4) | $ (1) | $ (11)

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period before curtailments and settlements. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation. + References No definition available. + Details
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- Definition The amount of gains or losses recognized in net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prior Service Cost -URI http://asc.fasb.org/extlink&oid=49177896 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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