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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)
3 Months Ended
Jan. 31, 2024
Retirement Benefits [Abstract]  
Schedule of net pension and post-retirement benefit costs
For the three months ended January 31, 2024 and 2023, our net pension and post-retirement benefit cost (benefit) consisted 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,
 202420232024202320242023
(in millions)
Service cost—benefits earned during the period$$$$$— $— 
Interest cost on benefit obligation10 
Expected return on plan assets(12)(12)(13)(12)(3)(3)
Amortization of net actuarial loss— — 
Net periodic benefit cost (benefit)$$$— $(1)$(1)$(1)