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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)
 9 Months Ended
Jul. 31, 2025
Retirement Benefits [Abstract]  
Schedule of net pension and post-retirement benefit costs
For the three and nine months ended July 31, 2025 and 2024, 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
July 31,
 202520242025202420252024
(in millions)
Service cost—benefits earned during the period$4 $4 $2 $3 $— $— 
Interest cost on benefit obligation10 10 9 9 2 2 
Expected return on plan assets(13)(12)(16)(13)(3)(3)
Amortization of net actuarial loss (gain)1 2 (1)2 — — 
Net periodic benefit cost (benefit)$2 $4 $(6)$1 $(1)$(1)
Pensions
U.S. Defined Benefit PlansNon-U.S. Defined Benefit
Plans		U.S. Post-Retirement
Benefit Plan
Nine months ended
July 31,
202520242025202420252024
(in millions)
Service cost—benefits earned during the period$13 $11 $6 $7 $— $— 
Interest cost on benefit obligation29 30 26 27 6 6 
Expected return on plan assets(39)(36)(45)(39)(9)(9)
Amortization of net actuarial loss (gain)4 7 (3)6 (1)— 
Net periodic benefit cost (benefit)$7 $12 $(16)$1 $(4)$(3)