Pension and Postretirement Plans (Tables)

6 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of the Company’s net periodic benefit cost (credit) associated with its defined benefit pension and postretirement plans, which are primarily recorded in selling, general and administrative expenses in the consolidated statements of income, are shown in the tables below in accordance with ASC 715, "Compensation – Retirement Benefits" (in millions):

	U.S. Pension Plans
	Three Months Ended March 31,				Six Months Ended March 31,
	2023		2022		2023		2022
Interest cost	$	20	$	11	$	41	$	21
Expected return on plan assets	(33)		(41)		(67)		(82)
Net actuarial loss	15		60		23		18
Settlement loss	1		2		1		1
Net periodic benefit cost (credit)	$	3	$	32	$	(2)	$	(42)

	Non-U.S. Pension Plans
	Three Months Ended March 31,				Six Months Ended March 31,
	2023		2022		2023		2022
Service cost	$	4	$	5	$	7	$	11
Interest cost	17		10		33		20
Expected return on plan assets	(19)		(21)		(37)		(42)
Net actuarial gain	—		(1)		—		(1)
Settlement loss	—		8		—		8
Net periodic benefit cost (credit)	$	2	$	1	$	3	$	(4)

	Postretirement Benefits
	Three Months Ended March 31,				Six Months Ended March 31,
	2023		2022		2023		2022
Interest cost	$	1	$	1	$	2	$	1
Expected return on plan assets	(2)		(2)		(4)		(4)
Amortization of prior service credit	(1)		(1)		(2)		(2)
Net periodic benefit credit	$	(2)	$	(2)	$	(4)	$	(5)