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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables) | 12 Months Ended
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Oct. 31, 2020
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures | For the years ended October 31, 2020, 2019 and 2018, 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 |
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
| (in millions)
Net periodic benefit cost (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost — benefits earned during the period | $ | 23 |  |  | $ | 20 |  |  | $ | 24 |  |  | $ | 15 |  |  | $ | 14 |  |  | $ | 14 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 1 |
Interest cost on benefit obligation | 24 |  |  | 28 |  |  | 25 |  |  | 16 |  |  | 23 |  |  | 23 |  |  | 6 |  |  | 8 |  |  | 7 |
Expected return on plan assets | (44 | ) |  | (41 | ) |  | (37 | ) |  | (84 | ) |  | (77 | ) |  | (85 | ) |  | (13 | ) |  | (13 | ) |  | (13 | )
Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss | 18 |  |  | 10 |  |  | 12 |  |  | 34 |  |  | 27 |  |  | 25 |  |  | 10 |  |  | 9 |  |  | 16 |
Prior service credit | — |  |  | (4 | ) |  | (7 | ) |  | — |  |  | (1 | ) |  | (1 | ) |  | (11 | ) |  | (14 | ) |  | (14 | )
Net periodic benefit cost (benefit) | 21 |  |  | 13 |  |  | 17 |  |  | (19 | ) |  | (14 | ) |  | (24 | ) |  | (7 | ) |  | (9 | ) |  | (3 | )
Curtailments and settlements | — |  |  | — |  |  | — |  |  | 4 |  |  | 2 |  |  | 1 |  |  | — |  |  | — |  |  | — |
Total periodic benefit cost (benefit) | $ | 21 |  |  | $ | 13 |  |  | $ | 17 |  |  | $ | (15 | ) |  | $ | (12 | ) |  | $ | (23 | ) |  | $ | (7 | ) |  | $ | (9 | ) |  | $ | (3 | )
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) | $ | 64 |  |  | $ | 77 |  |  | $ | (11 | ) |  | $ | 81 |  |  | $ | 78 |  |  | $ | 41 |  |  | $ | 9 |  |  | $ | 11 |  |  | $ | (1 | )
Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss | (18 | ) |  | (10 | ) |  | (12 | ) |  | (34 | ) |  | (27 | ) |  | (25 | ) |  | (10 | ) |  | (9 | ) |  | (16 | )
Prior service credit | — |  |  | 4 |  |  | 7 |  |  | — |  |  | 1 |  |  | 1 |  |  | 11 |  |  | 14 |  |  | 14 |
Curtailments and settlements | — |  |  | — |  |  | — |  |  | (4 | ) |  | (2 | ) |  | (1 | ) |  | — |  |  | — |  |  | — |
Foreign currency | — |  |  | — |  |  | — |  |  | 1 |  |  | (1 | ) |  | (5 | ) |  | — |  |  | — |  |  | — |
Total recognized in other comprehensive (income) loss | $ | 46 |  |  | $ | 71 |  |  | $ | (16 | ) |  | $ | 44 |  |  | $ | 49 |  |  | $ | 11 |  |  | $ | 10 |  |  | $ | 16 |  |  | $ | (3 | )
Total recognized in the periodic benefit cost (benefit) and other comprehensive (income) loss | $ | 67 |  |  | $ | 84 |  |  | $ | 1 |  |  | $ | 29 |  |  | $ | 37 |  |  | $ | (12 | ) |  | $ | 3 |  |  | $ | 7 |  |  | $ | (6 | )
Schedule of Changes in Fair Value of Plan Assets | As of October 31, 2020 and 2019, 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
| 2020 |  | 2019 |  | 2020 |  | 2019 |  | 2020 |  | 2019
| (in millions)
Change in fair value of plan assets: |  |  |  |  |  |  |  |  |  |  |
Fair value — beginning of year | $ | 615 |  |  | $ | 575 |  |  | $ | 1,538 |  |  | $ | 1,392 |  |  | $ | 176 |  |  | $ | 172 |
Actual return on plan assets | 41 |  |  | 64 |  |  | 21 |  |  | 167 |  |  | 12 |  |  | 18 |
Employer contributions | 100 |  |  | — |  |  | 10 |  |  | 26 |  |  | — |  |  | — |
Settlements | — |  |  | — |  |  | (14 | ) |  | (25 | ) |  | — |  |  | — |
Benefits paid | (34 | ) |  | (24 | ) |  | (36 | ) |  | (43 | ) |  | (13 | ) |  | (14 | )
Other | — |  |  | — |  |  | — |  |  | (4 | ) |  | — |  |  | — |
Currency impact | — |  |  | — |  |  | 26 |  |  | 25 |  |  | — |  |  | — |
Fair value — end of year | $ | 722 |  |  | $ | 615 |  |  | $ | 1,545 |  |  | $ | 1,538 |  |  | $ | 175 |  |  | $ | 176 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |  |  |
Benefit obligation — beginning of year | $ | 774 |  |  | $ | 650 |  |  | $ | 1,393 |  |  | $ | 1,249 |  |  | $ | 202 |  |  | $ | 190 |
Service cost | 23 |  |  | 20 |  |  | 15 |  |  | 14 |  |  | 1 |  |  | 1 |
Interest cost | 24 |  |  | 28 |  |  | 16 |  |  | 23 |  |  | 6 |  |  | 8 |
Settlements | — |  |  | — |  |  | (14 | ) |  | (25 | ) |  | — |  |  | — |
Curtailments | — |  |  | — |  |  | (1 | ) |  | — |  |  | — |  |  | — |
Actuarial loss (gain) | 62 |  |  | 101 |  |  | 18 |  |  | 169 |  |  | 7 |  |  | 17 |
Benefits paid | (35 | ) |  | (25 | ) |  | (36 | ) |  | (43 | ) |  | (13 | ) |  | (14 | )
Other | — |  |  | — |  |  | — |  |  | (8 | ) |  | — |  |  | — |
Currency impact | — |  |  | — |  |  | 30 |  |  | 14 |  |  | — |  |  | — |
Benefit obligation — end of year | $ | 848 |  |  | $ | 774 |  |  | $ | 1,421 |  |  | $ | 1,393 |  |  | $ | 203 |  |  | $ | 202 |
Overfunded (Underfunded) status of PBO | $ | (126 | ) |  | $ | (159 | ) |  | $ | 124 |  |  | $ | 145 |  |  | $ | (28 | ) |  | $ | (26 | )
Amounts recognized in the consolidated balance sheet consist of: |  |  |  |  |  |  |  |  |  |  |
Other assets | $ | — |  |  | $ | — |  |  | $ | 311 |  |  | $ | 297 |  |  | $ | — |  |  | $ | — |
Employee compensation and benefits | (1 | ) |  | (1 | ) |  | — |  |  | — |  |  | — |  |  | — |
Retirement and post-retirement benefits | (125 | ) |  | (158 | ) |  | (187 | ) |  | (152 | ) |  | (28 | ) |  | (26 | )
Net asset (liability)(a) | $ | (126 | ) |  | $ | (159 | ) |  | $ | 124 |  |  | $ | 145 |  |  | $ | (28 | ) |  | $ | (26 | )
Amounts recognized in accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Actuarial losses | $ | 225 |  |  | $ | 179 |  |  | $ | 487 |  |  | $ | 444 |  |  | $ | 28 |  |  | $ | 29 |
Prior service credits | — |  |  | — |  |  | 1 |  |  | — |  |  | (2 | ) |  | (13 | )
Total | $ | 225 |  |  | $ | 179 |  |  | $ | 488 |  |  | $ | 444 |  |  | $ | 26 |  |  | $ | 16 |
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 2021 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 | $ | — |  |  | $ | — |  |  | $ | (1 | )
Amortization of actuarial net loss | $ | 24 |  |  | $ | 40 |  |  | $ | 11 |
Schedule of Allocation of Plan Assets | The following tables present the fair value of U.S. Defined Benefit Plans assets classified under the appropriate level of the fair value hierarchy as of October 31, 2020 and 2019:
|  |  | Fair Value Measurement as of October 31, 2020 Using
| October 31, 2020 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Assets Measured at NAV(a)
| (in millions)
Cash and cash equivalents | $ | 110 |  |  | $ | — |  |  | $ | 110 |  |  | $ | — |  |  | $ | — |
Equity | 443 |  |  | 124 |  |  | 1 |  |  | — |  |  | 318 |
Fixed income | 169 |  |  | 9 |  |  | 100 |  |  | — |  |  | 60 |
Total assets measured at fair value | $ | 722 |  |  | $ | 133 |  |  | $ | 211 |  |  | $ | — |  |  | $ | 378 |
(a) Certain instruments that are measured at fair value using the NAV per share practical expedient have not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total value of plan assets.
|  |  | Fair Value Measurement as of October 31, 2019 Using
| October 31, 2019 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Assets Measured at NAV(a)
| (in millions)
Cash and cash equivalents | $ | 14 |  |  | $ | — |  |  | $ | 14 |  |  | $ | — |  |  | $ | — |
Equity | 428 |  |  | 130 |  |  | 1 |  |  | — |  |  | 297 |
Fixed income | 173 |  |  | 14 |  |  | 101 |  |  | — |  |  | 58 |
Total assets measured at fair value | $ | 615 |  |  | $ | 144 |  |  | $ | 116 |  |  | $ | — |  |  | $ | 355 |
(a) Certain instruments that are measured at fair value using the NAV per share practical expedient have not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total value of plan assets. For U.S. Defined Benefit Plans, there was no activity relating to assets measured at fair value using significant unobservable inputs (Level 3) during 2020 and 2019. The following tables present 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, 2020 and 2019:
|  |  | Fair Value Measurement as of October 31, 2020 Using
| October 31, 2020 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Assets Measured at NAV(a)
| (in millions)
Cash and cash equivalents | $ | 4 |  |  | $ | — |  |  | $ | 4 |  |  | $ | — |  |  | $ | — |
Equity | 123 |  |  | 34 |  |  | — |  |  | — |  |  | 89 |
Fixed income | 48 |  |  | 3 |  |  | 28 |  |  | — |  |  | 17 |
Total assets measured at fair value | $ | 175 |  |  | $ | 37 |  |  | $ | 32 |  |  | $ | — |  |  | $ | 106 |
(a) Certain instruments that are measured at fair value using the NAV per share practical expedient have not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total value of plan assets.
|  |  | Fair Value Measurement as of October 31, 2019 Using
| October 31, 2019 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Assets Measured at NAV(a)
| (in millions)
Cash and cash equivalents | $ | 5 |  |  | $ | — |  |  | $ | 5 |  |  | $ | — |  |  | $ | — |
Equity | 121 |  |  | 37 |  |  | — |  |  | — |  |  | 84 |
Fixed income | 50 |  |  | 4 |  |  | 29 |  |  | — |  |  | 17 |
Total assets measured at fair value | $ | 176 |  |  | $ | 41 |  |  | $ | 34 |  |  | $ | — |  |  | $ | 101 |
(a) Certain instruments that are measured at fair value using the NAV per share practical expedient have not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total value of plan assets. For the U.S. Post-Retirement Benefit Plan, there was no activity relating to assets measured at fair value using significant unobservable inputs (Level 3) during 2020 and 2019. The following tables present 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, 2020 and 2019:
|  |  | Fair Value Measurement as of October 31, 2020 Using
| October 31, 2020 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Assets Measured at NAV(a)
| (in millions)
Cash and cash equivalents | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Equity | 452 |  |  | 150 |  |  | — |  |  | — |  |  | 302 |
Fixed income | 1,093 |  |  | — |  |  | 221 |  |  | — |  |  | 872 |
Total assets measured at fair value | $ | 1,545 |  |  | $ | 150 |  |  | $ | 221 |  |  | $ | — |  |  | $ | 1,174 |
(a) Certain instruments that are measured at fair value using the NAV per share practical expedient have not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total value of plan assets.
|  |  | Fair Value Measurement as of October 31, 2019 Using
| October 31, 2019 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Assets Measured at NAV(a)
| (in millions)
Cash and cash equivalents | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Equity | 659 |  |  | 153 |  |  | — |  |  | — |  |  | 506 |
Fixed income | 879 |  |  | — |  |  | 202 |  |  | — |  |  | 677 |
Total assets measured at fair value | $ | 1,538 |  |  | $ | 153 |  |  | $ | 202 |  |  | $ | — |  |  | $ | 1,183 |
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets | 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 2020 and 2019:
| Year Ended
| October 31,
| 2020 |  | 2019
| (in millions)
Balance, beginning of year | $ | — |  |  | $ | 3 |
Realized gains | — |  |  | — |
Unrealized gains/(losses) | — |  |  | — |
Purchases, sales, issuances, and settlements | — |  |  | (3 | )
Transfers in (out) | — |  |  | — |
Balance, end of year | $ | — |  |  | $ | — |
The
Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets | 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, 2020 and 2019:
| 2020 |  | 2019
| 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 | $ | 848 |  |  | $ | 722 |  |  | $ | 774 |  |  | $ | 615 |
U.S. defined benefit plans where fair value of plan assets exceeds PBO | — |  |  | — |  |  | — |  |  | — |
Total | $ | 848 |  |  | $ | 722 |  |  | $ | 774 |  |  | $ | 615 |
Non-U.S. defined benefit plans where PBO exceeds the fair value of plan assets | $ | 433 |  |  | $ | 246 |  |  | $ | 396 |  |  | $ | 244 |
Non-U.S. defined benefit plans where fair value of plan assets exceeds PBO | 988 |  |  | 1,299 |  |  | 997 |  |  | 1,294 |
Total | $ | 1,421 |  |  | $ | 1,545 |  |  | $ | 1,393 |  |  | $ | 1,538 |
| ABO |  |  |  | ABO |  |
U.S. defined benefit plans where ABO exceeds the fair value of plan assets | $ | 784 |  |  | $ | 722 |  |  | $ | 720 |  |  | $ | 615 |
U.S. defined benefit plans where the fair value of plan assets exceeds ABO | — |  |  | — |  |  | — |  |  | — |
Total | $ | 784 |  |  | $ | 722 |  |  | $ | 720 |  |  | $ | 615 |
Non-U.S. defined benefit plans where ABO exceeds the fair value of plan assets | $ | 421 |  |  | $ | 246 |  |  | $ | 383 |  |  | $ | 244 |
Non-U.S. defined benefit plans where fair value of plan assets exceeds ABO | 984 |  |  | 1,299 |  |  | 991 |  |  | 1,294 |
Total | $ | 1,405 |  |  | $ | 1,545 |  |  | $ | 1,374 |  |  | $ | 1,538 |
Cont
Schedule of Expected Benefit Payments | 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)
2021 | $ | 48 |  |  | $ | 38 |  |  | $ | 16 |
2022 | $ | 53 |  |  | $ | 41 |  |  | $ | 17 |
2023 | $ | 56 |  |  | $ | 43 |  |  | $ | 16 |
2024 | $ | 56 |  |  | $ | 45 |  |  | $ | 16 |
2025 | $ | 64 |  |  | $ | 46 |  |  | $ | 15 |
2026 - 2030 | $ | 302 |  |  | $ | 251 |  |  | $ | 71 |
Assu
Schedule of Assumptions Used | mptions used to calculate the net periodic benefit cost (benefit) were as follows:
| Year ended October 31,
| 2020 |  | 2019
U.S. Defined Benefit Plans: |  |  |
Discount rate | 3.25% |  | 4.50%
Average increase in compensation levels | 3.00% |  | 3.00%
Expected long-term return on assets | 7.50% |  | 7.50%
Non-U.S. Defined Benefit Plans: |  |  |
Discount rate | 0.79-1.89% |  | 0.54-2.83%
Average increase in compensation levels | 2.50-3.00% |  | 2.50-3.00%
Expected long-term return on assets | 3.50-6.50% |  | 4.00-6.50%
U.S. Post-Retirement Benefits Plan: |  |  |
Discount rate | 3.00% |  | 4.25%
Expected long-term return on assets | 7.50% |  | 7.50%
Current medical cost trend rate | 6.25% |  | 6.00%
Ultimate medical cost trend rate | 4.50% |  | 4.00%
Medical cost trend rate decreases to ultimate rate in year | 2027 |  | 2029
Assumptions used to calculate the benefit obligation as of October 31, 2020 and 2019 were as follows:
| Year ended October 31,
| 2020 |  | 2019
U.S. Defined Benefit Plans: |  |  |
Discount rate | 2.75% |  | 3.25 | %
Average increase in compensation levels | 3.00% |  | 3.00 | %
Non-U.S. Defined Benefit Plans: |  |  |
Discount rate | 0.81-1.66% |  | 0.79-1.89% |
Average increase in compensation levels | 2.50-2.75% |  | 2.50-3.00% |
U.S. Post-Retirement Benefits Plan: |  |  |
Discount rate | 2.25% |  | 3.00 | %
Current medical cost trend rate | 6.25% |  | 6.25 | %
Ultimate medical cost trend rate | 4.50% |  | 4.50 | %
Medical cost trend rate decreases to ultimate rate in year | 2028 |  | 2027 |
Heal

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 + Details
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- Definition Tabular disclosure of the effect of fair value measurements using significant unobservable inputs (Level 3) on changes in plan assets of pension plans and/or other employee benefit plans for the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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