v3.26.1
RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Tables)
 6 Months Ended
Apr. 30, 2026
Retirement Benefits [Abstract]  
Schedule of net pension and post-retirement benefit costs
For the three and six months ended April 30, 2026 and 2025, 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
April 30,
 202620252026202520262025
(in millions)
Service cost—benefits earned during the period$3 $5 $3 $2 $— $— 
Interest cost on benefit obligation10 9 8 8 2 2 
Expected return on plan assets(14)(13)(15)(14)(4)(3)
Amortization of net actuarial loss (gain)1 2 (1)(1)— (1)
Net periodic benefit cost (benefit)$— $3 $(5)$(5)$(2)$(2)
Pensions
U.S. Defined Benefit PlansNon-U.S. Defined Benefit
Plans		U.S. Post-Retirement
Benefit Plan
Six months ended
April 30,
202620252026202520262025
(in millions)
Service cost—benefits earned during the period$7 $9 $5 $4 $— $— 
Interest cost on benefit obligation19 19 17 17 4 4 
Expected return on plan assets(27)(26)(31)(29)(7)(6)
Amortization of net actuarial loss (gain)2 3 (2)(2)(1)(1)
Net periodic benefit cost (benefit)$1 $5 $(11)$(10)$(4)$(3)