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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS
 3 Months Ended
Jan. 31, 2023
Retirement Benefits [Abstract]  
RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS
10.    RETIREMENT PLANS AND POST-RETIREMENT BENEFIT PLANS
For the three months ended January 31, 2023 and 2022, our net pension and post-retirement benefit cost (benefit) was comprised of the following:
 Pensions 
 U.S. Defined Benefit PlansNon-U.S. Defined Benefit
Plans		U.S. Post-Retirement
Benefit Plan
 Three Months Ended
January 31,
 202320222023202220232022
(in millions)
Service cost—benefits earned during the period$4 $6 $2 $3 $— $— 
Interest cost on benefit obligation9 6 7 4 2 1 
Expected return on plan assets(12)(15)(12)(15)(3)(4)
Amortization of net actuarial loss2 3 2 6 — — 
Net periodic benefit cost (benefit)$3 $— $(1)$(2)$(1)$(3)
We record the service cost component of net periodic benefit cost (benefit) in the same line item as other employee compensation costs. The non-service components of net periodic benefit cost (benefit), such as interest cost, expected return on assets, amortization of prior service cost, and actuarial gains or losses, are recorded within "other income (expense), net" in the condensed consolidated statement of operations.
We did not contribute to our U.S. defined benefit plans or U.S. post-retirement benefit plan during the three months ended January 31, 2023 and 2022. We contributed $3 million to our non-U.S. defined benefit plans during both the three months ended January 31, 2023 and 2022.
For the remainder of 2023, we do not expect to contribute to our U.S. defined benefit plan and U.S. post-retirement benefit plan, and we expect to contribute $7 million to our non-U.S. defined benefit plans. The amounts we contribute depend upon, among other things, legal requirements, underlying asset returns, the plan’s funded status, the anticipated tax deductibility of the contribution, local practices, employee retirements, market conditions, interest rates and other factors.