PENSION AND POSTRETIREMENT PLANS (Tables)

12 Months Ended

Sep. 30, 2024

Retirement Benefits [Abstract]

Schedule of Retirement Plans Expense

Retirement plans expense includes the following components:

	U.S. Plans				Non-U.S. Plans
	2022		2023	2024	2022	2023	2024
Defined benefit plans:
Service cost (benefits earned during the period)	$	49	25	17	25	20	20
Interest cost	99		164	169	33	50	49
Expected return on plan assets	(253)		(247)	(259)	(56)	(39)	(38)
Net amortization and other	102		(55)	(43)	3	18	6
Net periodic pension expense (income)	(3)		(113)	(116)	5	49	37
Defined contribution plans	124		111	130	52	49	70
Total retirement plans expense (income)	$	121	(2)	14	57	98	107

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. Plans			Non-U.S. Plans
	2023		2024	2023	2024
Projected benefit obligation, beginning	$	3,112	2,934	965	926
Service cost	25		17	20	20
Interest cost	164		169	50	49
Actuarial (gain) loss	(75)		283	(25)	13
Curtailments	(31)		(4)	—	—
Benefits paid	(204)		(205)	(42)	(41)
Settlements	(2)		(108)	(70)	(39)
Acquisitions (Divestitures), net	(56)		—	(46)	6
Foreign currency translation and other	1		3	74	70
Projected benefit obligation, ending	$	2,934	3,089	926	1,004
Fair value of plan assets, beginning	$	3,625	3,590	908	864
Actual return on plan assets	230		598	(40)	73
Employer contributions	14		14	32	24
Benefits paid	(204)		(205)	(42)	(41)
Settlements	(2)		(108)	(70)	(39)
Acquisitions (Divestitures), net	(74)		—	2	(2)
Foreign currency translation and other	1		—	74	87
Fair value of plan assets, ending	$	3,590	3,889	864	966
Net amount recognized in the balance sheet	$	656	800	(62)	(38)
Location of net amount recognized in the balance sheet:
Noncurrent asset	$	815	961	180	233
Current liability	(14)		(14)	(17)	(17)
Noncurrent liability	(145)		(147)	(225)	(254)
Net amount recognized in the balance sheet	$	656	800	(62)	(38)
Pretax accumulated other comprehensive loss	$	(257)	(243)	(181)	(163)

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. Plans						Non-U.S. Plans
	2022		2023		2024		2022		2023		2024
Net pension expense
Discount rate used to determine service cost	3.16	%	5.66	%	6.09	%	2.2	%	4.9	%	5.2	%
Discount rate used to determine interest cost	2.31	%	5.49	%	5.94	%	2.2	%	4.9	%	5.2	%
Expected return on plan assets	6.00	%	6.00	%	6.50	%	4.4	%	4.4	%	4.7	%
Rate of compensation increase	4.00	%	4.00	%	4.00	%	3.7	%	4.0	%	3.9	%
Benefit obligations
Discount rate	5.64	%	6.03	%	4.97	%	4.9	%	5.2	%	4.7	%
Rate of compensation increase	4.00	%	4.00	%	4.00	%	4.0	%	3.9	%	3.9	%

Schedule of Asset Allocations and Weighted-Average Target Allocations

The Company's asset allocations at September 30, 2024 and 2023, and weighted-average target allocations follow:

	U.S. Plans						Non-U.S. Plans
	2023		2024		Target		2023		2024		Target
Equity securities	39	%	29	%	25-35%		8	%	7	%	5-15%
Debt securities	51		63		60-70		75		69		65-75
Other	10		8		0-10		17		24		15-25
Total	100	%	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 1		Level 2	Level 3	Measured at NAV	Total	%
2024
U.S. equities	$	245	10	—	620	875	18	%
International equities	154		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	%
Other	206		1	132	196	535	11	%
Total	$	605	2,149	132	1,969	4,855	100	%
2023
U.S. equities	$	396	9	—	619	1,024	23	%
International equities	210		14	—	103	327	7	%
Emerging market equities	—		1	—	118	119	3	%
Corporate bonds	—		1,008	—	843	1,851	42	%
Government bonds	—		505	—	124	629	14	%
Other	121		7	126	250	504	11	%
Total	$	727	1,544	126	2,057	4,454	100	%