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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Notes) | 3 Months Ended
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Apr. 30, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS | RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS Components of net periodic costs (benefits). For the three and six months ended April 30, 2021 and 2020, our net pension and post retirement benefit costs (benefits) were comprised of the following:
| Three Months Ended April 30,
| U.S. Pension Plans |  | Non-U.S. Pension Plans |  | U.S. Post Retirement Benefit Plans
| 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
| (in millions)
Service cost—benefits earned during the period | $ | — |  |  | $ | — |  |  | $ | 4 |  |  | $ | 5 |  |  | $ | — |  |  | $ | — |
Interest cost on benefit obligation | 4 |  |  | 4 |  |  | 2 |  |  | 2 |  |  | 1 |  |  | 1 |
Expected return on plan assets | (8) |  |  | (7) |  |  | (13) |  |  | (12) |  |  | (1) |  |  | (2) |
Amortization: |  |  |  |  |  |  |  |  |  |  |
Actuarial losses | 1 |  |  | 1 |  |  | 14 |  |  | 12 |  |  | 1 |  |  | 1 |
Prior service credits | — |  |  | — |  |  | — |  |  | — |  |  | (1) |  |  | (2) |
Total net plan costs (benefits) | $ | (3) |  |  | $ | (2) |  |  | $ | 7 |  |  | $ | 7 |  |  | $ | — |  |  | $ | (2) |
| Six Months Ended April 30,
| U.S. Pension Plans |  | Non-U.S. Pension Plans |  | U.S. Post Retirement Benefit Plans
| 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
| (in millions)
Service cost—benefits earned during the period | $ | — |  |  | $ | — |  |  | $ | 11 |  |  | $ | 12 |  |  | $ | — |  |  | $ | — |
Interest cost on benefit obligation | 7 |  |  | 8 |  |  | 4 |  |  | 4 |  |  | 2 |  |  | 2 |
Expected return on plan assets | (15) |  |  | (15) |  |  | (25) |  |  | (24) |  |  | (3) |  |  | (3) |
Amortization: |  |  |  |  |  |  |  |  |  |  |
Actuarial losses | 2 |  |  | 2 |  |  | 27 |  |  | 24 |  |  | 2 |  |  | 2 |
Prior service credits | — |  |  | — |  |  | — |  |  | — |  |  | (1) |  |  | (4) |
Total net plan costs (benefits) | $ | (6) |  |  | $ | (5) |  |  | $ | 17 |  |  | $ | 16 |  |  | $ | — |  |  | $ | (3) |
The service cost component is recorded in cost of sales and operating expenses in the condensed consolidated statement of operations. All other cost components are recorded in other income (expense), net in the condensed consolidated statement of operations. Employer contributions and expected future employer contributions for the remainder of the year were as follows:
| Three Months Ended |  | Six Months Ended |  | Employer Contributions
| April 30, |  | April 30, |  | For Remainder of Year
| 2021 |  | 2020 |  | 2021 |  | 2020 |  |  | 2021 |
| (in millions)
U.S. defined benefit plans | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  |  | $ | — |  |
Non-U.S. defined benefit plans | $ | 4 |  |  | $ | 14 |  |  | $ | 9 |  |  | $ | 19 |  |  |  | $ | 13 |  |

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