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PENSION AND POSTRETIREMENT PLANS (Tables)
 12 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Retirement Plans Expense
Retirement plans expense includes the following components:
U.S. PlansNon-U.S. Plans
2023 2024 2025 2023 2024 2025 
Defined benefit plans:
     Service cost (benefits earned during the period)$25 17 50 20 20 22 
     Interest cost164 169 140 50 49 46 
     Expected return on plan assets(247)(259)(252)(39)(38)(43)
     Net amortization and other(55)(43)22 18 6 3 
       Net periodic pension expense (income)(113)(116)(40)49 37 28 
Defined contribution plans111 130 140 49 70 67 
             Total retirement plans expense (income)$(2)14 100 98 107 95 
Schedule of Reconciliations of Actuarial Present Value of Projected Benefit Obligations and Fair Value of Plan Assets for Defined Benefit Pension Plans
Details of the changes in the actuarial present value of the projected benefit obligation and the fair value of plan assets for defined benefit pension plans follow:
U.S. PlansNon-U.S. Plans
2024 2025 2024 2025 
Projected benefit obligation, beginning$2,934 3,089 926 1,004 
     Service cost17 50 20 22 
     Interest cost169 140 49 46 
     Actuarial (gain) loss283 (80)13 (24)
     Curtailments(4)— — (4)
     Benefits paid(205)(227)(41)(40)
     Settlements(108)(43)(39)(35)
     Acquisitions (Divestitures), net— — 6 — 
     Foreign currency translation and other3 — 70 16 
Projected benefit obligation, ending$3,089 2,929 1,004 985 
Fair value of plan assets, beginning$3,590 3,889 864 966 
     Actual return on plan assets598 151 73 (11)
     Employer contributions14 15 24 31 
     Benefits paid(205)(227)(41)(40)
     Settlements(108)(43)(39)(35)
     Acquisitions (Divestitures), net— — (2)— 
     Foreign currency translation and other— — 87 9 
Fair value of plan assets, ending$3,889 3,785 966 920 
     Net amount recognized in the balance sheet $800 856 (38)(65)
Location of net amount recognized in the balance sheet:
Noncurrent asset$961 1,017 233 212 
Current liability (14)(14)(17)(18)
Noncurrent liability(147)(147)(254)(259)
     Net amount recognized in the balance sheet $800 856 (38)(65)
Pretax accumulated other comprehensive loss$(243)(242)(163)(187)
Schedule of Weighted-Average Assumptions Used in Valuations of Pension Benefits
The weighted-average assumptions used in the valuation of pension benefits follow:
U.S. PlansNon-U.S. Plans
2023 2024 2025 2023 2024 2025 
Net pension expense
Discount rate used to determine service cost5.66 %6.09 %5.29 %4.9 %5.2 %4.7 %
Discount rate used to determine interest cost5.49 %5.94 %4.67 %4.9 %5.2 %4.7 %
Expected return on plan assets6.00 %6.50 %6.50 %4.4 %4.7 %4.6 %
Rate of compensation increase4.00 %4.00 %4.00 %4.0 %3.9 %3.9 %
Benefit obligations
Discount rate6.03 %4.97 %5.27 %5.2 %4.7 %5.2 %
Rate of compensation increase4.00 %4.00 %4.00 %3.9 %3.9 %4.1 %
Schedule of Asset Allocations and Weighted-Average Target Allocations
The Company's asset allocations at September 30, 2025 and 2024, and weighted-average target allocations follow:
U.S. PlansNon-U.S. Plans
2024 2025 Target2024 2025 Target
Equity securities29 %29 %
25-35%
7 %12 %
5-15%
Debt securities63 63 
60-70
69 69 
65-75
Other8 8 
0-10
24 19 
15-25
     Total100 %100 %100 %100 %100 %100 %
The fair values of defined benefit pension assets as of September 30, organized by asset class and by the fair value hierarchy of ASC 820, Fair Value Measurement, follow. Investments valued based on the net asset value (NAV) of fund units held, as derived from the fair value of the underlying assets, are excluded from the fair value hierarchy.
Level 1Level 2Level 3Measured at NAVTotal%
2025
U.S. equities$246 10 — 581 837 18 %
International equities169 11 — 111 291 6 %
Emerging market equities— 1 — 94 95 2 %
Corporate bonds— 1,170 — 835 2,005 43 %
Government bonds— 899 — 106 1,005 21 %
Other137 1 143 191 472 10 %
     Total$552 2,092 143 1,918 4,705 100 %
2024
U.S. equities$245 10 — 620 875 18 %
International equities154 12 — 65 231 5 %
Emerging market equities— 1 — 101 102 2 %
Corporate bonds— 1,221 — 879 2,100 43 %
Government bonds— 904 — 108 1,012 21 %
Other206 1 132 196 535 11 %
     Total$605 2,149 132 1,969 4,855 100 %