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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables) | 12 Months Ended
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Oct. 31, 2015
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Schedule of Defined Benefit Plans Disclosures | For the years ended October 31, 2015, 2014 and 2013, components of net periodic benefit cost (benefit) and other amounts recognized in other comprehensive income were comprised of:
| Defined Benefit Plans |  | U.S. Post-Retirement Benefit Plan
| U.S. Plans |  | Non-U.S. Plans |
| 2015 |  | 2014 |  | 2013 |  | 2015 |  | 2014 |  | 2013 |  | 2015 |  | 2014 |  | 2013
| (in millions)
Net periodic benefit cost (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost — benefits earned during the period | $ | 22 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 18 |  |  | $ | 4 |  |  | $ | — |  |  | $ | 1 |  |  | $ | — |  |  | $ | — |
Interest cost on benefit obligation | 20 |  |  | 5 |  |  | — |  |  | 41 |  |  | 11 |  |  | — |  |  | 7 |  |  | 2 |  |  | — |
Expected return on plan assets | (38 | ) |  | (10 | ) |  | — |  |  | (72 | ) |  | (19 | ) |  | — |  |  | (13 | ) |  | (4 | ) |  | — |
Amortization of net actuarial loss | 4 |  |  | 1 |  |  | — |  |  | 27 |  |  | 7 |  |  | — |  |  | 12 |  |  | 2 |  |  | — |
Amortization of prior service credit | (7 | ) |  | (1 | ) |  | — |  |  | (1 | ) |  | — |  |  | — |  |  | (21 | ) |  | (5 | ) |  | — |
Net periodic benefit cost (benefit) | 1 |  |  | — |  |  | — |  |  | 13 |  |  | 3 |  |  | — |  |  | (14 | ) |  | (5 | ) |  | — |
Allocated benefit cost (benefit) from Agilent | — |  |  | 3 |  |  | 9 |  |  | — |  |  | 9 |  |  | 23 |  |  | — |  |  | (9 | ) |  | (10 | )
Total periodic benefit cost (benefit) | $ | 1 |  |  | $ | 3 |  |  | $ | 9 |  |  | $ | 13 |  |  | $ | 12 |  |  | $ | 23 |  |  | $ | (14 | ) |  | $ | (14 | ) |  | $ | (10 | )
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service credits assumed at the Capitalization | $ | — |  |  | $ | (33 | ) |  | $ | — |  |  | $ | — |  |  | $ | (3 | ) |  | $ | — |  |  | $ | — |  |  | $ | (102 | ) |  | $ | — |
Net actuarial loss assumed at the Capitalization | — |  |  | 40 |  |  | — |  |  | — |  |  | 367 |  |  | — |  |  | — |  |  | 75 |  |  | — |
Net actuarial loss | 57 |  |  | 5 |  |  | — |  |  | 51 |  |  | 39 |  |  | — |  |  | 31 |  |  | 7 |  |  | — |
Amortization of net actuarial loss | (4 | ) |  | (1 | ) |  | — |  |  | (27 | ) |  | (7 | ) |  | — |  |  | (12 | ) |  | (2 | ) |  | — |
Amortization of prior service credit | 7 |  |  | 1 |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | 21 |  |  | 5 |  |  | — |
Foreign currency | — |  |  | — |  |  | — |  |  | 24 |  |  | 9 |  |  | — |  |  | — |  |  | — |  |  | — |
Total recognized in other comprehensive (income) loss | $ | 60 |  |  | $ | 12 |  |  | $ | — |  |  | $ | 49 |  |  | $ | 405 |  |  | $ | — |  |  | $ | 40 |  |  | $ | (17 | ) |  | $ | — |
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss | $ | 61 |  |  | $ | 15 |  |  | $ | 9 |  |  | $ | 62 |  |  | $ | 417 |  |  | $ | 23 |  |  | $ | 26 |  |  | $ | (31 | ) |  | $ | (10 | )
Schedule of Changes in Fair Value of Plan Assets | As of October 31, 2015 and 2014, the funded status of the defined benefit and post-retirement benefit plans was as follows:
| U.S. Defined Benefit Plans |  | Non-U.S. Defined Benefit Plans |  | U.S. Post-Retirement Benefit Plan
| 2015 |  | 2014 |  | 2015 |  | 2014 |  | 2015 |  | 2014
| (in millions)
Change in fair value of plan assets: |  |  |  |  |  |  |  |  |  |  |
Fair value — beginning of year | $ | 491 |  |  | $ | — |  |  | $ | 1,318 |  |  | $ | — |  |  | $ | 187 |  |  | $ | — |
Assets received from Agilent | — |  |  | 490 |  |  | 9 |  |  | 1,358 |  |  | — |  |  | 189 |
Actual return on plan assets | 7 |  |  | 7 |  |  | 81 |  |  | 46 |  |  | 2 |  |  | 2 |
Employer contributions | — |  |  | — |  |  | 48 |  |  | 10 |  |  | 1 |  |  | — |
Benefits paid | (23 | ) |  | (6 | ) |  | (33 | ) |  | (9 | ) |  | (11 | ) |  | (4 | )
Currency impact | — |  |  | — |  |  | (80 | ) |  | (87 | ) |  | — |  |  | — |
Fair value — end of year | $ | 475 |  |  | $ | 491 |  |  | $ | 1,343 |  |  | $ | 1,318 |  |  | $ | 179 |  |  | $ | 187 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |  |  |
Benefit obligation — beginning of year | $ | 514 |  |  | $ | — |  |  | $ | 1,429 |  |  | $ | — |  |  | $ | 206 |  |  | $ | — |
Liabilities assumed from Agilent | — |  |  | 508 |  |  | — |  |  | 1,446 |  |  | — |  |  | 203 |
Service cost | 22 |  |  | 5 |  |  | 18 |  |  | 4 |  |  | 1 |  |  | — |
Interest cost | 20 |  |  | 5 |  |  | 41 |  |  | 11 |  |  | 7 |  |  | 2 |
Plan amendment | — |  |  | — |  |  | — |  |  | (1 | ) |  | — |  |  | — |
Actuarial loss | 27 |  |  | 2 |  |  | 60 |  |  | 70 |  |  | 20 |  |  | 5 |
Benefits paid | (24 | ) |  | (6 | ) |  | (33 | ) |  | (9 | ) |  | (11 | ) |  | (4 | )
Currency impact | — |  |  | — |  |  | (90 | ) |  | (92 | ) |  | — |  |  | — |
Benefit obligation — end of year | $ | 559 |  |  | $ | 514 |  |  | $ | 1,425 |  |  | $ | 1,429 |  |  | $ | 223 |  |  | $ | 206 |
Underfunded status of PBO | $ | (84 | ) |  | $ | (23 | ) |  | $ | (82 | ) |  | $ | (111 | ) |  | $ | (44 | ) |  | $ | (19 | )
Amounts recognized in the consolidated balance sheet consist of: |  |  |  |  |  |  |  |  |  |  |
Other assets | $ | — |  |  | $ | — |  |  | $ | 57 |  |  | $ | 48 |  |  | $ | — |  |  | $ | — |
Employee compensation and benefits | (1 | ) |  | (1 | ) |  | — |  |  | — |  |  | — |  |  | — |
Retirement and post-retirement benefits | (83 | ) |  | (22 | ) |  | (139 | ) |  | (159 | ) |  | (44 | ) |  | (19 | )
Net liability | $ | (84 | ) |  | $ | (23 | ) |  | $ | (82 | ) |  | $ | (111 | ) |  | $ | (44 | ) |  | $ | (19 | )
Amounts recognized in accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Actuarial losses | $ | 97 |  |  | $ | 44 |  |  | $ | 430 |  |  | $ | 408 |  |  | $ | 99 |  |  | $ | 80 |
Prior service credits | (25 | ) |  | (32 | ) |  | (4 | ) |  | (3 | ) |  | (76 | ) |  | (97 | )
Total | $ | 72 |  |  | $ | 12 |  |  | $ | 426 |  |  | $ | 405 |  |  | $ | 23 |  |  | $ | (17 | )
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year | The amounts in accumulated other comprehensive income expected to be amortized into net periodic benefit cost (benefit) during 2016 are as follows:
| U.S. Defined Benefit Plans |  | Non-U.S. Defined Benefit Plans |  | U.S. Post-Retirement Benefit Plan
| (in millions)
Amortization of net prior service credit | $ | (7 | ) |  | $ | (1 | ) |  | $ | (17 | )
Amortization of actuarial net loss | $ | 9 |  |  | $ | 27 |  |  | $ | 20 |
Schedule of Allocation of Plan Assets | The following table presents the fair value of U.S. Defined Benefit Plans assets classified under the appropriate level of the fair value hierarchy as of October 31, 2015 and 2014:
|  |  | Fair Value Measurement at October 31, 2015 Using
| October 31, 2015 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Cash and Cash Equivalents | $ | 4 |  |  | $ | 1 |  |  | $ | 3 |  |  | $ | — |
Equity | 374 |  |  | 94 |  |  | 280 |  |  | — |
Fixed Income | 97 |  |  | 21 |  |  | 76 |  |  | — |
Other Investments | — |  |  | — |  |  | — |  |  | — |
Total assets measured at fair value | $ | 475 |  |  | $ | 116 |  |  | $ | 359 |  |  | $ | — |
|  |  | Fair Value Measurement at October 31, 2014 Using
| October 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Cash and Cash Equivalents | $ | 6 |  |  | $ | 1 |  |  | $ | 5 |  |  | $ | — |
Equity | 365 |  |  | 86 |  |  | 279 |  |  | — |
Fixed Income | 120 |  |  | 40 |  |  | 80 |  |  | — |
Other Investments | — |  |  | — |  |  | — |  |  | — |
Total assets measured at fair value | $ | 491 |  |  | $ | 127 |  |  | $ | 364 |  |  | $ | — |
For U.S. Defined Benefit Plans, there was no activity relating to assets measured at fair value using significant unobservable inputs (Level 3) during 2015 and 2014. The following table presents the fair value of U.S. Post-Retirement Benefit Plan assets classified under the appropriate level of the fair value hierarchy as of October 31, 2015 and 2014:
|  |  | Fair Value Measurement at October 31, 2015 Using
| October 31, 2015 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Cash and Cash Equivalents | $ | 4 |  |  | $ | 3 |  |  | $ | 1 |  |  | $ | — |
Equity | 137 |  |  | 34 |  |  | 103 |  |  | — |
Fixed Income | 38 |  |  | 8 |  |  | 30 |  |  | — |
Other Investments | — |  |  | — |  |  | — |  |  | — |
Total assets measured at fair value | $ | 179 |  |  | $ | 45 |  |  | $ | 134 |  |  | $ | — |
|  |  | Fair Value Measurement at October 31, 2014 Using
| October 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Cash and Cash Equivalents | $ | 3 |  |  | $ | 1 |  |  | $ | 2 |  |  | $ | — |
Equity | 143 |  |  | 34 |  |  | 109 |  |  | — |
Fixed Income | 41 |  |  | 14 |  |  | 27 |  |  | — |
Other Investments | — |  |  | — |  |  | — |  |  | — |
Total assets measured at fair value | $ | 187 |  |  | $ | 49 |  |  | $ | 138 |  |  | $ | — |
For U.S. Post-Retirement Benefit Plan, there was no activity relating to assets measured at fair value using significant unobservable inputs (Level 3) during 2015 and 2014. The following table presents the fair value of Non-U.S. Defined Benefit Plans assets classified under the appropriate level of the fair value hierarchy as of October 31, 2015 and 2014:
|  |  | Fair Value Measurement at October 31, 2015 Using
| October 31, 2015 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Cash and Cash Equivalents | $ | 7 |  |  | $ | 2 |  |  | $ | 5 |  |  | $ | — |
Equity | 709 |  |  | 129 |  |  | 580 |  |  | — |
Fixed Income | 624 |  |  | 20 |  |  | 604 |  |  | — |
Other Investments | 3 |  |  | — |  |  | 3 |  |  | — |
Total assets measured at fair value | $ | 1,343 |  |  | $ | 151 |  |  | $ | 1,192 |  |  | $ | — |
|  |  | Fair Value Measurement at October 31, 2014 Using
| October 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
| (in millions)
Cash and Cash Equivalents | $ | 5 |  |  | $ | 2 |  |  | $ | 3 |  |  | $ | — |
Equity | 672 |  |  | 150 |  |  | 522 |  |  | — |
Fixed Income | 603 |  |  | 23 |  |  | 580 |  |  | — |
Other Investments | 38 |  |  | — |  |  | 21 |  |  | 17 |
Total assets measured at fair value | $ | 1,318 |  |  | $ | 175 |  |  | $ | 1,126 |  |  | $ | 17 |
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets | For Non-U.S. Defined Benefit Plans assets measured at fair value using significant unobservable inputs (Level 3), the following table summarizes the change in balances during 2015 and 2014:
| Year Ended
| October 31,
| 2015 |  | 2014
| (in millions)
Balance, beginning of year | $ | 17 |  |  | $ | — |
Realized gains | — |  |  | — |
Unrealized gains/(losses) | — |  |  | 1 |
Purchases, sales, issuances, and settlements | (17 | ) |  | (5 | )
Transfers in (out) | — |  |  | 21 |
Balance, end of year | $ | — |  |  | $ | 17 |
Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets | The table below presents the combined projected benefit obligation ("PBO"), accumulated benefit obligation ("ABO") and fair value of plan assets, grouping plans using comparisons of the PBO and ABO relative to the plan assets as of October 31, 2015 and 2014:
| 2015 |  | 2014
| Benefit Obligation |  | Fair Value of Plan Assets |  | Benefit Obligation |  | Fair Value of Plan Assets
| PBO |  |  | PBO |
| (in millions) |  | (in millions)
U.S. defined benefit plans where PBO exceeds the fair value of plan assets | $ | 559 |  |  | $ | 475 |  |  | $ | 514 |  |  | $ | 491 |
U.S. defined benefit plans where fair value of plan assets exceeds PBO | — |  |  | — |  |  | — |  |  | — |
Total | $ | 559 |  |  | $ | 475 |  |  | $ | 514 |  |  | $ | 491 |
Non-U.S. defined benefit plans where PBO exceeds or is equal to the fair value of plan assets | $ | 1,061 |  |  | $ | 921 |  |  | $ | 1,111 |  |  | $ | 952 |
Non-U.S. defined benefit plans where fair value of plan assets exceeds PBO | 364 |  |  | 422 |  |  | 318 |  |  | 366 |
Total | $ | 1,425 |  |  | $ | 1,343 |  |  | $ | 1,429 |  |  | $ | 1,318 |
| ABO |  |  |  | ABO |  |
U.S. defined benefit plans where ABO exceeds the fair value of plan assets | $ | 527 |  |  | $ | 475 |  |  | $ | 5 |  |  | $ | — |
U.S. defined benefit plans where the fair value of plan assets exceeds ABO | — |  |  | — |  |  | 472 |  |  | 491 |
Total | $ | 527 |  |  | $ | 475 |  |  | $ | 477 |  |  | $ | 491 |
Non-U.S. defined benefit plans where ABO exceeds or is equal to the fair value of plan assets | $ | 1,031 |  |  | $ | 921 |  |  | $ | 1,081 |  |  | $ | 952 |
Non-U.S. defined benefit plans where fair value of plan assets exceeds ABO | 354 |  |  | 422 |  |  | 310 |  |  | 366 |
Total | $ | 1,385 |  |  | $ | 1,343 |  |  | $ | 1,391 |  |  | $ | 1,318 |
Schedule of Expected Benefit Payments | The following table presents expected future benefit payments for the next 10 years.
| U.S. Defined Benefit Plans |  | Non-U.S. Defined Benefit Plans |  | U.S. Post-Retirement Benefit Plan
| (in millions)
2016 | $ | 35 |  |  | $ | 35 |  |  | $ | 17 |
2017 | $ | 38 |  |  | $ | 37 |  |  | $ | 17 |
2018 | $ | 39 |  |  | $ | 40 |  |  | $ | 18 |
2019 | $ | 42 |  |  | $ | 45 |  |  | $ | 17 |
2020 | $ | 47 |  |  | $ | 48 |  |  | $ | 17 |
2021 - 2025 | $ | 254 |  |  | $ | 316 |  |  | $ | 80 |
Schedule of Assumptions Used | Assumptions used to calculate the net periodic benefit cost for the year ended October 31, 2015 and 2014 were as follows:
| For years ended October 31,
| 2015 |  | 2014
U.S. Defined Benefit Plans: |  |  |
Discount rate | 4.00% |  | 4.00%
Average increase in compensation levels | 3.50% |  | 3.50%
Expected long-term return on assets | 8.00% |  | 8.00%
Non-U.S. Defined Benefit Plans: |  |  |
Discount rate | 1.50-4.00% |  | 1.75-4.25%
Average increase in compensation levels | 2.50-3.25% |  | 2.50-3.25%
Expected long-term return on assets | 4.00-6.50% |  | 4.00-6.50%
U.S. Post-Retirement Benefits Plan: |  |  |
Discount rate | 3.75% |  | 4.00%
Expected long-term return on assets | 8.00% |  | 8.00%
Current medical cost trend rate | 8.00% |  | 8.00%
Ultimate medical cost trend rate | 3.50% |  | 3.50%
Medical cost trend rate decreases to ultimate rate in year | 2028 |  | 2028
Assumptions used to calculate the benefit obligation as of October 31, 2015 and 2014 were as follows:
| As of the years ended October 31,
| 2015 |  | 2014
U.S. Defined Benefit Plans: |  |  |
Discount rate | 4.00% |  | 4.00%
Average increase in compensation levels | 3.00% |  | 3.50%
Non-U.S. Defined Benefit Plans: |  |  |
Discount rate | 0.76-3.80% |  | 1.50-4.00%
Average increase in compensation levels | 2.50-3.50% |  | 2.50-3.25%
U.S. Post-Retirement Benefits Plan: |  |  |
Discount rate | 4.00% |  | 3.75%
Current medical cost trend rate | 7.00% |  | 8.00%
Ultimate medical cost trend rate | 3.50% |  | 3.50%
Medical cost trend rate decreases to ultimate rate in year | 2028 |  | 2028

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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + 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 (f) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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